/* roulang page: index */
:root {
            --brand-red: #C8102E;
            --brand-red-dark: #8F0B1F;
            --brand-ink: #1A1A1A;
            --brand-ink-soft: #1E1A17;
            --brand-cream: #F5F2ED;
            --brand-gold: #D4AF37;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #8C8C8C;
            --text-inverse: #FFFFFF;
            --border-warm: #E5E0D8;
            --success-green: #2E7D32;
            --warning-amber: #B8860B;
            --error-red: #B71C1C;
            --radius-card: 12px;
            --radius-btn: 40px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 26, 26, 0.12);
            --shadow-red-glow: 0 0 0 1px rgba(200, 16, 46, 0.08), 0 6px 20px rgba(200, 16, 46, 0.22);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-serif: "STSong", "SimSun", serif;
            --section-spacing: clamp(72px, 10vh, 120px);
            --container-max: 1280px;
            --container-pad: clamp(20px, 4vw, 48px);
            --gutter: 24px;
            --transition-fast: 0.25s ease;
            --transition-slow: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--brand-cream);
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--brand-red);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-cream);
            border-bottom: 1px solid var(--border-warm);
            transition: box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .magazine-nav {
            background: transparent;
            padding: 0;
            border: none;
        }

        .nav-masthead {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            gap: 16px;
        }

        .nav-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--brand-ink);
            line-height: 1.2;
            white-space: nowrap;
        }

        .nav-brand a {
            color: inherit;
        }

        .nav-brand a:hover {
            color: var(--brand-red);
        }

        .nav-utility {
            display: flex;
            align-items: center;
            gap: 20px;
            position: relative;
        }

        .nav-utility::before {
            content: '';
            display: block;
            width: 1px;
            height: 32px;
            background-color: var(--border-warm);
            margin-right: 4px;
        }

        .nav-utility .btn {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline-ink {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
        }

        .btn-outline-ink:hover,
        .btn-outline-ink:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            border-color: var(--brand-ink);
        }

        .btn-solid-red {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
        }

        .btn-solid-red:hover,
        .btn-solid-red:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 8px 0 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-warm);
        }

        .nav-channels .channel-link {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            padding: 4px 10px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-channels .channel-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 100%;
            height: 2px;
            background: var(--brand-red);
            transition: right var(--transition-slow);
            border-radius: 1px;
        }

        .nav-channels .channel-link:hover {
            color: var(--brand-red);
        }

        .nav-channels .channel-link:hover::after {
            right: 10px;
        }

        .nav-channels .channel-link.active {
            color: var(--brand-red);
            font-weight: 600;
        }

        .nav-channels .channel-link.active::after {
            right: 10px;
        }

        .nav-channels .channel-divider {
            color: var(--border-warm);
            font-size: 12px;
            padding: 0 2px;
            user-select: none;
        }

        .navbar-toggler {
            border: 1px solid var(--border-warm);
            border-radius: 8px;
            padding: 8px 10px;
            background: transparent;
            transition: all var(--transition-fast);
        }

        .navbar-toggler:hover,
        .navbar-toggler:focus {
            border-color: var(--brand-red);
            background: rgba(200, 16, 46, 0.04);
            box-shadow: none;
        }

        .navbar-toggler-icon {
            background-image: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
            justify-content: center;
            align-items: center;
            width: 22px;
            height: 18px;
        }

        .navbar-toggler-icon span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-primary);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        .navbar-collapse {
            transition: all var(--transition-slow);
        }

        /* ============ HERO ============ */
        .hero-promo {
            position: relative;
            padding: clamp(48px, 8vh, 80px) 0 clamp(56px, 9vh, 88px);
            background: linear-gradient(180deg, var(--brand-cream) 0%, #F0ECE5 100%);
            overflow: hidden;
        }

        .hero-promo::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: var(--brand-red);
            z-index: 2;
        }

        .hero-promo .hero-bg-image {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
            pointer-events: none;
            border-radius: 0 0 0 24px;
        }

        .hero-promo .container-custom {
            position: relative;
            z-index: 3;
        }

        .hero-promo .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            min-height: 420px;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--brand-red);
            background: rgba(200, 16, 46, 0.07);
            border: 1px solid rgba(200, 16, 46, 0.18);
            padding: 6px 14px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .hero-badge .dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-red);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }

        .hero-promo h1 {
            font-size: clamp(36px, 6vw, 72px);
            font-weight: 800;
            line-height: 1.15;
            color: var(--brand-ink);
            letter-spacing: 0.01em;
            margin: 0;
        }

        .hero-promo h1 .highlight-red {
            color: var(--brand-red);
            position: relative;
        }

        .hero-promo .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0;
        }

        .hero-promo .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-top: 8px;
        }

        .hero-promo .btn {
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            min-height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            white-space: nowrap;
        }

        .btn-hero-primary {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
            box-shadow: var(--shadow-red-glow);
        }

        .btn-hero-primary:hover,
        .btn-hero-primary:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            transform: translateY(-2px) scale(1.01);
            box-shadow: 0 10px 32px rgba(200, 16, 46, 0.3);
        }

        .btn-hero-secondary {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
        }

        .btn-hero-secondary:hover,
        .btn-hero-secondary:focus {
            background: var(--brand-ink);
            border-color: var(--brand-ink);
            color: var(--text-inverse);
            transform: translateY(-2px);
        }

        .hero-promo .hero-data-strip {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            padding-top: 16px;
            border-top: 1px solid var(--border-warm);
        }

        .hero-data-item {
            text-align: left;
        }

        .hero-data-item .data-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand-red);
            line-height: 1.2;
        }

        .hero-data-item .data-label {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-right .hero-visual-card {
            background: var(--brand-ink);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            color: var(--text-inverse);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .hero-right .hero-visual-card .card-label {
            font-size: 12px;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--brand-gold);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .hero-right .hero-visual-card .card-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .hero-right .hero-visual-card .card-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .hero-right .hero-visual-card .card-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .hero-right .hero-visual-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .hero-right .hero-visual-card .card-meta .meta-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--brand-gold);
            display: inline-block;
        }

        .hero-right .hero-mini-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .hero-right .hero-mini-card {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: 8px;
            padding: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
        }

        .hero-right .hero-mini-card:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
            border-color: rgba(200, 16, 46, 0.2);
        }

        .hero-right .hero-mini-card .mini-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: rgba(200, 16, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--brand-red);
            flex-shrink: 0;
        }

        /* ============ SECTION COMMON ============ */
        .section-block {
            padding: var(--section-spacing) 0;
        }

        .section-block .section-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-red);
            display: block;
            margin-bottom: 12px;
        }

        .section-block .section-title {
            font-size: clamp(26px, 3.5vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--brand-ink);
            margin-bottom: 16px;
        }

        .section-block .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
        }

        /* ============ PAIN POINTS ============ */
        .pain-points-section {
            background: var(--brand-cream);
        }

        .pain-points-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gutter);
        }

        .pain-card {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(200, 16, 46, 0.2);
        }

        .pain-card .pain-number {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: var(--brand-gold);
            display: block;
            margin-bottom: 10px;
        }

        .pain-card .pain-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--brand-ink);
            margin-bottom: 10px;
        }

        .pain-card .pain-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .pain-card .pain-divider {
            width: 40px;
            height: 2px;
            background: var(--brand-red);
            border-radius: 1px;
        }

        .pain-interlude {
            grid-column: 1 / -1;
            background: var(--brand-ink);
            border-radius: var(--radius-card);
            padding: 24px 32px;
            color: var(--text-inverse);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .pain-interlude .interlude-text {
            font-size: 15px;
            line-height: 1.6;
            max-width: 600px;
            color: rgba(255, 255, 255, 0.85);
        }

        .pain-interlude .interlude-tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-gold);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        /* ============ SOLUTION ============ */
        .solution-section {
            background: #FFFFFF;
        }

        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 48px;
            align-items: start;
        }

        .solution-left .section-title {
            margin-bottom: 16px;
        }

        .solution-left .solution-summary {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .solution-left .btn {
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .solution-list {
            display: flex;
            flex-direction: column;
        }

        .solution-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 16px;
            border-bottom: 1px solid var(--border-warm);
            transition: all var(--transition-fast);
            cursor: default;
            border-radius: 8px;
        }

        .solution-item:first-child {
            border-top: 1px solid var(--border-warm);
        }

        .solution-item:hover {
            background: #F9F7F3;
        }

        .solution-item:hover .solution-item-title {
            transform: translateX(4px);
        }

        .solution-item .solution-number {
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-gold);
            letter-spacing: 0.08em;
            min-width: 40px;
            flex-shrink: 0;
            padding-top: 2px;
        }

        .solution-item .solution-item-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-ink);
            margin-bottom: 6px;
            transition: transform var(--transition-fast);
        }

        .solution-item .solution-item-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ DATA METRICS ============ */
        .metrics-section {
            background: var(--brand-cream);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #FFFFFF;
        }

        .metric-card {
            padding: 32px 24px;
            text-align: center;
            position: relative;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .metric-card:hover {
            background: #FAF8F4;
        }

        .metric-card:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 25%;
            height: 50%;
            width: 1px;
            background: var(--border-warm);
        }

        .metric-card .metric-number {
            font-size: clamp(32px, 4.5vw, 56px);
            font-weight: 800;
            line-height: 1.1;
            color: var(--brand-red);
            margin-bottom: 8px;
        }

        .metric-card .metric-number.gold {
            color: var(--brand-gold);
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            font-weight: 500;
        }

        .metric-card .metric-sublabel {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ============ TESTIMONIALS ============ */
        .testimonials-section {
            background: #FFFFFF;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gutter);
        }

        .testimonial-card {
            background: var(--brand-cream);
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-mark {
            font-size: 48px;
            font-weight: 700;
            color: var(--brand-gold);
            line-height: 1;
            display: block;
            margin-bottom: 12px;
            font-family: var(--font-serif);
        }

        .testimonial-card .quote-text {
            font-size: clamp(16px, 2vw, 20px);
            font-weight: 500;
            line-height: 1.6;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .testimonial-card .quote-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-ink);
            display: block;
        }

        .testimonial-card .quote-tag {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        /* ============ NEWS ============ */
        .news-section {
            background: var(--brand-cream);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 0.6fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
        }

        .news-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 16px;
            border-bottom: 1px solid var(--border-warm);
            transition: all var(--transition-fast);
            border-radius: 8px;
            cursor: pointer;
        }

        .news-item:hover {
            background: #FFFFFF;
            box-shadow: var(--shadow-sm);
        }

        .news-item .news-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-red);
            min-width: 56px;
            padding-top: 2px;
            letter-spacing: 0.04em;
            flex-shrink: 0;
        }

        .news-item .news-content {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-ink);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-item .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .news-sidebar {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px;
            position: sticky;
            top: 120px;
            align-self: start;
        }

        .news-sidebar .sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-ink);
            margin-bottom: 12px;
        }

        .news-sidebar .sidebar-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-red);
            background: rgba(200, 16, 46, 0.07);
            padding: 4px 12px;
            border-radius: 16px;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .news-sidebar .sidebar-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .news-sidebar .sidebar-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-red);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .news-sidebar .sidebar-link:hover {
            color: var(--brand-red-dark);
            gap: 8px;
        }

        /* ============ CATEGORY GRID ============ */
        .category-section {
            background: #FFFFFF;
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gutter);
        }

        .category-card {
            background: var(--brand-cream);
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .category-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(200, 16, 46, 0.2);
        }

        .category-card .cat-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .category-card:hover .cat-image {
            transform: scale(1.03);
        }

        .category-card .cat-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card .cat-tag {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--brand-gold);
            margin-bottom: 6px;
        }

        .category-card .cat-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--brand-ink);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .category-card .cat-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
        }

        .category-card .cat-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-red);
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .category-card .cat-link:hover {
            gap: 8px;
            color: var(--brand-red-dark);
        }

        /* ============ BRAND INTRO ============ */
        .brand-intro-section {
            background: var(--brand-ink);
            color: var(--text-inverse);
            padding: var(--section-spacing) 0;
        }

        .brand-intro-grid {
            display: grid;
            grid-template-columns: 0.6fr 1.4fr;
            gap: 48px;
            align-items: start;
        }

        .brand-intro-left .intro-label {
            font-size: 13px;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--brand-gold);
            font-weight: 600;
            margin-bottom: 10px;
            display: block;
        }

        .brand-intro-left h2 {
            font-size: clamp(26px, 3vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-inverse);
            margin-bottom: 16px;
        }

        .brand-intro-left .intro-tagline {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        .brand-intro-right .intro-paragraphs {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .brand-intro-right p {
            font-size: 15px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.78);
            margin: 0;
        }

        .brand-intro-right .intro-highlight {
            color: var(--brand-gold);
            font-weight: 600;
        }

        /* ============ PARTNERS/ABILITY TAGS ============ */
        .ability-section {
            background: var(--brand-cream);
        }

        .ability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gutter);
        }

        .ability-tag {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .ability-tag::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--brand-red);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-slow);
        }

        .ability-tag:hover::before {
            transform: scaleX(1);
        }

        .ability-tag:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .ability-tag .ability-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-ink);
            margin-bottom: 8px;
        }

        .ability-tag .ability-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: #FFFFFF;
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-custom .accordion-item {
            background: #FFFFFF;
            border: 1px solid var(--border-warm) !important;
            border-radius: 8px !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-left: 3px solid var(--brand-red) !important;
        }

        .accordion-custom .accordion-button {
            background: #FFFFFF;
            color: var(--brand-ink);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 20px;
            border: none;
            border-radius: 8px !important;
            box-shadow: none !important;
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: #FDF8F6;
            color: var(--brand-red);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.12);
            border-color: rgba(200, 16, 46, 0.3);
        }

        .accordion-custom .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 20px;
            font-weight: 400;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition-fast);
            width: 24px;
            height: 24px;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--brand-red);
            transform: rotate(180deg);
        }

        .accordion-custom .accordion-body {
            background: #FFFFFF;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            padding: 16px 20px 20px;
        }

        /* ============ FINAL CTA ============ */
        .final-cta-section {
            background: var(--brand-red);
            padding: clamp(60px, 9vh, 96px) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-gold);
            z-index: 2;
        }

        .final-cta-section .cta-title {
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 800;
            color: var(--text-inverse);
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .final-cta-section .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto 24px;
        }

        .final-cta-section .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .final-cta-section .btn {
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            min-height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-cta-white {
            background: var(--text-inverse);
            border: 1px solid var(--text-inverse);
            color: var(--brand-red);
        }

        .btn-cta-white:hover,
        .btn-cta-white:focus {
            background: #F5F2ED;
            border-color: #F5F2ED;
            color: var(--brand-red-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .btn-cta-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.65);
            color: var(--text-inverse);
        }

        .btn-cta-ghost:hover,
        .btn-cta-ghost:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-inverse);
            color: var(--text-inverse);
            transform: translateY(-2px);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--brand-ink);
            color: var(--text-inverse);
            padding: 60px 0 30px;
        }

        .footer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            margin-bottom: 32px;
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-inverse);
            line-height: 1.2;
        }

        .footer-channels {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-channels a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.04em;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .footer-channels a:hover {
            color: var(--brand-gold);
        }

        .footer-middle {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--brand-gold);
        }

        .footer-col p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--brand-gold);
        }

        .footer-bottom .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199.98px) {
            .hero-promo .hero-grid {
                gap: 32px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-card:nth-child(2)::after {
                display: none;
            }
            .metric-card:nth-child(odd)::after {
                content: '';
                position: absolute;
                right: 0;
                top: 25%;
                height: 50%;
                width: 1px;
                background: var(--border-warm);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .nav-masthead {
                flex-wrap: wrap;
                padding: 12px 0 10px;
            }
            .nav-utility {
                gap: 10px;
            }
            .nav-utility::before {
                display: none;
            }
            .nav-channels {
                display: none;
            }
            .nav-channels.mobile-show {
                display: flex;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                padding: 10px 0;
            }
            .nav-channels .channel-divider {
                display: none;
            }
            .hero-promo .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-promo .hero-right {
                order: -1;
            }
            .hero-promo .hero-bg-image {
                width: 100%;
                height: 50%;
                opacity: 0.12;
                border-radius: 0;
            }
            .pain-points-grid {
                grid-template-columns: 1fr;
            }
            .pain-interlude {
                grid-column: 1;
            }
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .ability-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-middle {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-spacing: 64px;
            }
            .nav-brand {
                font-size: clamp(24px, 5vw, 32px);
            }
            .nav-utility .btn {
                padding: 6px 14px;
                font-size: 12px;
                min-height: 36px;
            }
            .hero-promo {
                padding: 32px 0 48px;
            }
            .hero-promo h1 {
                font-size: clamp(28px, 7vw, 42px);
            }
            .hero-promo .hero-subtitle {
                font-size: 14px;
            }
            .hero-promo .hero-cta-row .btn {
                width: 100%;
                padding: 10px 20px;
                font-size: 14px;
                min-height: 44px;
            }
            .hero-promo .hero-data-strip {
                gap: 16px;
            }
            .hero-data-item .data-number {
                font-size: 22px;
            }
            .hero-right .hero-mini-cards {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metric-card {
                padding: 20px 16px;
            }
            .metric-card .metric-number {
                font-size: 28px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .ability-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-middle {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .pain-card {
                padding: 20px 24px;
            }
            .testimonial-card {
                padding: 20px 24px;
            }
            .solution-item {
                padding: 16px 8px;
                gap: 12px;
            }
            .accordion-custom .accordion-button {
                padding: 14px 16px;
                font-size: 14px;
            }
            .accordion-custom .accordion-body {
                padding: 12px 16px 16px;
            }
        }

        @media (max-width: 576px) {
            .nav-brand {
                font-size: 22px;
            }
            .nav-utility .btn {
                padding: 5px 10px;
                font-size: 11px;
                min-height: 32px;
            }
            .hero-promo h1 {
                font-size: 26px;
                line-height: 1.3;
            }
            .hero-promo .hero-badge {
                font-size: 10px;
                padding: 4px 10px;
            }
            .hero-right .hero-visual-card {
                padding: 20px 18px;
            }
            .hero-right .hero-visual-card .card-title {
                font-size: 18px;
            }
            .section-block .section-title {
                font-size: 22px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-card:not(:last-child)::after,
            .metric-card:nth-child(odd)::after {
                display: none;
            }
            .metric-card:not(:last-child) {
                border-bottom: 1px solid var(--border-warm);
            }
            .pain-interlude {
                padding: 16px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .final-cta-section .cta-buttons .btn {
                width: 100%;
            }
            .final-cta-section .cta-title {
                font-size: 24px;
            }
            .category-card .cat-image {
                height: 130px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-red: #C8102E;
            --brand-red-dark: #8F0B1F;
            --brand-ink: #1A1A1A;
            --brand-ink-soft: #1E1A17;
            --brand-cream: #F5F2ED;
            --brand-gold: #D4AF37;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #8C8C8C;
            --text-inverse: #FFFFFF;
            --border-warm: #E5E0D8;
            --success-green: #2E7D32;
            --warning-amber: #B8860B;
            --error-red: #B71C1C;
            --radius-card: 12px;
            --radius-btn: 40px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 26, 26, 0.12);
            --shadow-red-glow: 0 0 0 1px rgba(200, 16, 46, 0.08), 0 6px 20px rgba(200, 16, 46, 0.22);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-serif: "STSong", "SimSun", serif;
            --section-spacing: clamp(56px, 7vh, 80px);
            --container-max: 1280px;
            --container-pad: clamp(20px, 4vw, 48px);
            --gutter: 24px;
            --transition-fast: 0.25s ease;
            --transition-slow: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--brand-cream);
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--brand-red);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-cream);
            border-bottom: 1px solid var(--border-warm);
            transition: box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .magazine-nav {
            background: transparent;
            padding: 0;
            border: none;
        }

        .nav-masthead {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            gap: 16px;
        }

        .nav-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--brand-ink);
            line-height: 1.2;
            white-space: nowrap;
            margin: 0;
        }

        .nav-brand a {
            color: inherit;
        }

        .nav-brand a:hover {
            color: var(--brand-red);
        }

        .nav-utility {
            display: flex;
            align-items: center;
            gap: 20px;
            position: relative;
        }

        .nav-utility::before {
            content: '';
            display: block;
            width: 1px;
            height: 32px;
            background-color: var(--border-warm);
            margin-right: 4px;
        }

        .nav-utility .btn {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline-ink {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
        }

        .btn-outline-ink:hover,
        .btn-outline-ink:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            border-color: var(--brand-ink);
            outline: none;
        }

        .btn-solid-red {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
        }

        .btn-solid-red:hover,
        .btn-solid-red:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            outline: none;
        }

        .btn-solid-red:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-ink:active {
            transform: translateY(0);
        }

        .btn-solid-red:focus-visible,
        .btn-outline-ink:focus-visible {
            outline: 2px solid var(--brand-red);
            outline-offset: 2px;
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 8px;
            box-shadow: none;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .navbar-toggler:hover {
            background: var(--border-warm);
        }

        .navbar-toggler:focus {
            outline: 2px solid var(--brand-red);
            outline-offset: 2px;
            box-shadow: none;
        }

        .navbar-toggler-icon {
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 24px;
            height: 18px;
            background-image: none;
        }

        .navbar-toggler-icon span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--brand-ink);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 8px 0 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-warm);
        }

        .nav-channels .channel-link {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            padding: 4px 10px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-channels .channel-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 100%;
            height: 2px;
            background-color: var(--brand-red);
            transition: right var(--transition-slow), left var(--transition-slow);
        }

        .nav-channels .channel-link:hover::after,
        .nav-channels .channel-link.active::after {
            right: 10px;
            left: 10px;
        }

        .nav-channels .channel-link:hover {
            color: var(--brand-red);
        }

        .nav-channels .channel-link.active {
            color: var(--brand-red);
            font-weight: 600;
        }

        .channel-divider {
            color: var(--border-warm);
            font-size: 12px;
            user-select: none;
            flex-shrink: 0;
        }

        .mobile-collapse {
            background-color: var(--brand-cream);
            border-bottom: 1px solid var(--border-warm);
        }

        .mobile-collapse .channel-link {
            display: block;
            padding: 12px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-warm);
            transition: all var(--transition-fast);
        }

        .mobile-collapse .channel-link:hover {
            background-color: var(--border-warm);
            color: var(--brand-red);
            padding-left: 24px;
        }

        .mobile-collapse .channel-link.active {
            color: var(--brand-red);
            font-weight: 600;
            border-left: 3px solid var(--brand-red);
            padding-left: 17px;
        }

        /* ============ PAGE HEADER ============ */
        .page-header-section {
            padding: 48px 0 24px;
            position: relative;
        }

        .page-header-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background-color: var(--brand-red);
            border-radius: 0 4px 4px 0;
        }

        .page-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .page-breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .page-breadcrumb a:hover {
            color: var(--brand-red);
        }

        .page-breadcrumb .sep {
            color: var(--border-warm);
            user-select: none;
        }

        .page-breadcrumb .current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        .page-header-section h1 {
            font-size: clamp(32px, 4.5vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            color: var(--brand-ink);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .page-header-section .page-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .page-header-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .page-header-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .page-header-meta .meta-item i {
            color: var(--brand-red);
            font-size: 14px;
        }

        /* ============ MAIN LAYOUT ============ */
        .category-main {
            padding: 32px 0 var(--section-spacing);
        }

        .article-list-column {
            padding-right: 12px;
        }

        .sidebar-column {
            padding-left: 12px;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        /* ============ ARTICLE ITEM ============ */
        .article-item {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

        .article-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(200, 16, 46, 0.2);
        }

        .article-item-inner {
            display: flex;
            gap: 24px;
            padding: 24px;
        }

        .article-thumb {
            flex-shrink: 0;
            width: 220px;
            height: 160px;
            border-radius: var(--radius-img);
            overflow: hidden;
            position: relative;
            background-color: var(--border-warm);
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .article-item:hover .article-thumb img {
            transform: scale(1.05);
        }

        .article-thumb .thumb-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--brand-red);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.05em;
        }

        .article-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 12px;
        }

        .article-body .article-title {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--brand-ink);
            margin: 0;
        }

        .article-body .article-title a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .article-body .article-title a:hover {
            color: var(--brand-red);
        }

        .article-body .article-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .article-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .article-date i {
            color: var(--brand-red);
            font-size: 13px;
        }

        .article-tag {
            display: inline-block;
            background-color: var(--brand-cream);
            color: var(--text-secondary);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            border: 1px solid var(--border-warm);
            transition: all var(--transition-fast);
        }

        .article-tag:hover {
            background-color: var(--brand-red);
            color: #FFFFFF;
            border-color: var(--brand-red);
        }

        .article-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-red);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast), color var(--transition-fast);
            align-self: flex-end;
        }

        .article-read-more:hover {
            color: var(--brand-red-dark);
            gap: 10px;
        }

        .article-read-more i {
            font-size: 12px;
        }

        /* ============ SIDEBAR ============ */
        .sidebar-sticky {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-widget {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget .widget-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-ink);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--brand-red);
            display: inline-block;
            letter-spacing: 0.03em;
        }

        .featured-card {
            background: var(--brand-ink-soft);
            border-radius: var(--radius-img);
            overflow: hidden;
            margin-bottom: 16px;
            position: relative;
        }

        .featured-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform var(--transition-slow);
            opacity: 0.85;
        }

        .featured-card:hover img {
            transform: scale(1.04);
            opacity: 1;
        }

        .featured-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px;
            background: linear-gradient(to top, rgba(26, 26, 26, 0.85) 0%, rgba(26, 26, 26, 0.4) 60%, transparent 100%);
        }

        .featured-card-overlay .feat-label {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--brand-gold);
            letter-spacing: 0.08em;
            margin-bottom: 4px;
        }

        .featured-card-overlay .feat-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0;
            line-height: 1.4;
        }

        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .featured-list-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px solid var(--border-warm);
            transition: all var(--transition-fast);
        }

        .featured-list-item:last-child {
            border-bottom: none;
        }

        .featured-list-item:hover {
            color: var(--brand-red);
            padding-left: 6px;
        }

        .featured-list-item i {
            color: var(--brand-gold);
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* ============ SUBSCRIBE FORM ============ */
        .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .subscribe-form .form-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 2px;
        }

        .subscribe-form .form-control {
            background: var(--brand-cream);
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-img);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            box-shadow: none;
        }

        .subscribe-form .form-control:focus {
            border-color: var(--brand-red);
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.08);
            background: #FFFFFF;
            outline: none;
        }

        .subscribe-form .form-control::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }

        .subscribe-form .btn-subscribe {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 12px 20px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .subscribe-form .btn-subscribe:hover,
        .subscribe-form .btn-subscribe:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-red-glow);
            color: #FFFFFF;
            outline: none;
        }

        .subscribe-form .btn-subscribe:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .subscribe-form .form-hint {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 4px;
            text-align: center;
        }

        .subscribe-success {
            display: none;
            background-color: #E8F5E9;
            border: 1px solid var(--success-green);
            color: var(--success-green);
            font-size: 13px;
            padding: 12px 16px;
            border-radius: var(--radius-img);
            text-align: center;
            font-weight: 500;
            margin-top: 8px;
        }

        .subscribe-success.show {
            display: block;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: 64px 0;
            background-color: var(--brand-red);
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(26, 26, 26, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-text h2 {
            font-size: clamp(26px, 3.5vw, 40px);
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-actions .btn-cta-primary {
            background: #FFFFFF;
            border: 2px solid #FFFFFF;
            color: var(--brand-red);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.04em;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-actions .btn-cta-primary:hover,
        .cta-actions .btn-cta-primary:focus {
            background: transparent;
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            outline: none;
        }

        .cta-actions .btn-cta-secondary {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 13px 24px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-actions .btn-cta-secondary:hover,
        .cta-actions .btn-cta-secondary:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-2px);
            outline: none;
        }

        /* ============ BRAND INTRO ============ */
        .brand-intro-section {
            padding: var(--section-spacing) 0 0;
        }

        .brand-intro-card {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .brand-intro-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(to right, var(--brand-red) 0%, var(--brand-gold) 50%, var(--brand-red) 100%);
        }

        .brand-intro-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--brand-ink);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .brand-intro-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .brand-intro-card p:last-child {
            margin-bottom: 0;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background-color: var(--brand-ink);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .footer-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 3vw, 40px);
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            margin: 0;
        }

        .footer-channels {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }

        .footer-channels a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 400;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }

        .footer-channels a:hover {
            color: var(--brand-red);
        }

        .footer-middle {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding: 32px 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--brand-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
            align-items: center;
        }

        .footer-legal a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-legal a:hover {
            color: rgba(255, 255, 255, 0.8);
        }

        .footer-legal .sep {
            color: rgba(255, 255, 255, 0.25);
            user-select: none;
        }

        .footer-copyright {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199px) {
            .article-thumb {
                width: 180px;
                height: 140px;
            }

            .footer-middle {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 991px) {
            .article-item-inner {
                padding: 20px;
                gap: 16px;
            }

            .article-thumb {
                width: 160px;
                height: 120px;
            }

            .article-body .article-title {
                font-size: 17px;
            }

            .article-list-column {
                padding-right: 0;
            }

            .sidebar-column {
                padding-left: 0;
                margin-top: 32px;
            }

            .sidebar-sticky {
                position: static;
                top: auto;
            }

            .footer-middle {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .cta-actions {
                justify-content: center;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-spacing: 48px;
            }

            .nav-masthead {
                padding: 12px 0 10px;
            }

            .nav-brand {
                font-size: clamp(24px, 5vw, 32px);
            }

            .page-header-section {
                padding: 32px 0 16px;
            }

            .page-header-section h1 {
                font-size: clamp(26px, 5vw, 36px);
            }

            .page-header-section .page-subtitle {
                font-size: 15px;
            }

            .article-item-inner {
                flex-direction: column;
                padding: 16px;
            }

            .article-thumb {
                width: 100%;
                height: 180px;
                border-radius: 6px;
            }

            .article-body .article-title {
                font-size: 16px;
            }

            .article-body .article-excerpt {
                font-size: 13px;
                -webkit-line-clamp: 4;
                line-clamp: 4;
            }

            .article-meta-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .brand-intro-card {
                padding: 24px;
                border-radius: 8px;
            }

            .brand-intro-card h3 {
                font-size: 18px;
            }

            .cta-section {
                padding: 48px 0;
            }

            .cta-text h2 {
                font-size: clamp(22px, 4vw, 30px);
            }

            .cta-actions .btn-cta-primary,
            .cta-actions .btn-cta-secondary {
                width: 100%;
                text-align: center;
                justify-content: center;
            }

            .site-footer {
                padding: 36px 0 20px;
            }

            .footer-channels {
                gap: 8px 14px;
            }

            .footer-middle {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 20px 0;
            }

            .footer-top {
                flex-direction: column;
                gap: 16px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-legal {
                justify-content: center;
            }
        }

        @media (max-width: 575px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-thumb {
                height: 160px;
                border-radius: 6px;
            }

            .article-list {
                gap: 20px;
            }

            .article-item {
                border-radius: 8px;
            }

            .article-item-inner {
                padding: 14px;
                gap: 12px;
            }

            .sidebar-widget {
                padding: 18px;
                border-radius: 8px;
            }

            .brand-intro-card {
                padding: 20px;
            }

            .page-header-meta {
                gap: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-red: #C8102E;
            --brand-red-dark: #8F0B1F;
            --brand-ink: #1A1A1A;
            --brand-ink-soft: #1E1A17;
            --brand-cream: #F5F2ED;
            --brand-gold: #D4AF37;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #8C8C8C;
            --text-inverse: #FFFFFF;
            --border-warm: #E5E0D8;
            --success-green: #2E7D32;
            --warning-amber: #B8860B;
            --error-red: #B71C1C;
            --radius-card: 12px;
            --radius-btn: 40px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 26, 26, 0.12);
            --shadow-red-glow: 0 0 0 1px rgba(200, 16, 46, 0.08), 0 6px 20px rgba(200, 16, 46, 0.22);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-serif: "STSong", "SimSun", serif;
            --section-spacing: clamp(72px, 10vh, 120px);
            --container-max: 1280px;
            --container-pad: clamp(20px, 4vw, 48px);
            --gutter: 24px;
            --transition-fast: 0.25s ease;
            --transition-slow: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--brand-cream);
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--brand-red);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-cream);
            border-bottom: 1px solid var(--border-warm);
            transition: box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .magazine-nav {
            background: transparent;
            padding: 0;
            border: none;
        }

        .nav-masthead {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            gap: 16px;
        }

        .nav-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--brand-ink);
            line-height: 1.2;
            white-space: nowrap;
            margin-bottom: 0;
        }

        .nav-brand a {
            color: inherit;
        }

        .nav-brand a:hover {
            color: var(--brand-red);
        }

        .nav-utility {
            display: flex;
            align-items: center;
            gap: 20px;
            position: relative;
        }

        .nav-utility::before {
            content: '';
            display: block;
            width: 1px;
            height: 32px;
            background-color: var(--border-warm);
            margin-right: 4px;
        }

        .nav-utility .btn {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .btn-outline-ink {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
        }

        .btn-outline-ink:hover,
        .btn-outline-ink:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            border-color: var(--brand-ink);
        }

        .btn-solid-red {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
        }

        .btn-solid-red:hover,
        .btn-solid-red:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 8px 0 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-warm);
        }

        .nav-channels .channel-link {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            padding: 4px 10px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-channels .channel-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--brand-red);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform var(--transition-fast);
        }

        .nav-channels .channel-link:hover::after,
        .nav-channels .channel-link.active::after {
            transform: scaleX(1);
        }

        .nav-channels .channel-link:hover {
            color: var(--brand-red);
        }

        .nav-channels .channel-link.active {
            color: var(--brand-red);
        }

        .channel-divider {
            color: var(--border-warm);
            font-size: 12px;
            margin: 0 2px;
            user-select: none;
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 4px 8px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            align-items: center;
            justify-content: center;
        }

        .navbar-toggler:focus {
            outline: 2px solid var(--brand-red);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .navbar-toggler .navbar-toggler-icon {
            background-image: none;
            width: 20px;
            height: 2px;
            background-color: var(--text-primary);
            display: block;
            position: relative;
            transition: background-color var(--transition-fast);
        }

        .navbar-toggler .navbar-toggler-icon span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--text-primary);
            margin-bottom: 4px;
            transition: background-color var(--transition-fast);
        }

        .navbar-toggler .navbar-toggler-icon span:last-child {
            margin-bottom: 0;
        }

        .mobile-nav-panel {
            background: var(--brand-cream);
            padding: 12px 0 18px;
            border-top: 1px solid var(--border-warm);
        }

        .mobile-channels {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mobile-channel-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 12px;
            border-radius: 6px;
            transition: all var(--transition-fast);
        }

        .mobile-channel-link:hover,
        .mobile-channel-link.active {
            color: var(--brand-red);
            background-color: rgba(200, 16, 46, 0.05);
        }

        /* ============ HERO ============ */
        .category-hero {
            padding: clamp(48px, 7vh, 80px) 0 clamp(32px, 5vh, 56px);
            border-bottom: 1px solid var(--border-warm);
            background-color: var(--brand-cream);
            position: relative;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            width: 4px;
            background-color: var(--brand-red);
        }

        .category-hero .hero-badge {
            display: inline-block;
            background: var(--brand-ink);
            color: var(--brand-gold);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(32px, 5.5vw, 56px);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .category-hero .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: 0;
        }

        /* hero stage layout */
        .hero-stage-wrapper {
            margin-top: 32px;
            display: grid;
            grid-template-columns: 1fr 2fr 1fr;
            gap: 24px;
            align-items: center;
        }

        .stage-side {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .stage-side-item {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 14px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
        }

        .stage-side-item:hover {
            border-color: var(--brand-red);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .stage-side-item .stage-icon {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--brand-red);
            flex-shrink: 0;
        }

        .stage-center {
            position: relative;
        }

        .stage-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 10;
            position: relative;
        }

        .stage-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .stage-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px 20px 16px;
            background: linear-gradient(to top, rgba(26, 26, 26, 0.85), rgba(26, 26, 26, 0));
            color: var(--text-inverse);
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .stage-overlay .stage-title {
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .stage-overlay .stage-tag {
            font-size: 11px;
            background: var(--brand-red);
            color: #fff;
            padding: 2px 10px;
            border-radius: 12px;
            letter-spacing: 0.05em;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            margin-top: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .hero-actions .btn {
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .hero-actions .btn-primary-action {
            background: var(--brand-red);
            border-color: var(--brand-red);
            color: #fff;
        }

        .hero-actions .btn-primary-action:hover,
        .hero-actions .btn-primary-action:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-red-glow);
        }

        .hero-actions .btn-secondary-action {
            background: transparent;
            border-color: var(--brand-ink);
            color: var(--brand-ink);
        }

        .hero-actions .btn-secondary-action:hover,
        .hero-actions .btn-secondary-action:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            transform: translateY(-2px);
        }

        /* ============ SECTION COMMON ============ */
        .section-block {
            padding: var(--section-spacing) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.1em;
            color: var(--brand-red);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-heading {
            font-size: clamp(24px, 3.5vw, 38px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-heading-accent {
            color: var(--brand-red);
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 540px;
            margin-bottom: 0;
        }

        /* ============ DATA STRIP ============ */
        .data-strip {
            background: var(--brand-ink);
            padding: 24px 0;
            border-bottom: 3px solid var(--brand-gold);
        }

        .data-strip-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .data-strip-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-inverse);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .data-strip-item .sep-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-gold);
            flex-shrink: 0;
        }

        .data-strip-item strong {
            color: var(--brand-gold);
            font-size: 16px;
            font-weight: 700;
            margin-right: 2px;
        }

        /* ============ GRID CARDS ============ */
        .masonry-grid {
            margin-top: 20px;
        }

        .masonry-row {
            display: grid;
            gap: var(--gutter);
        }

        .masonry-row.row-4 {
            grid-template-columns: repeat(12, 1fr);
        }

        .masonry-row.row-4 .grid-item-3 {
            grid-column: span 3;
        }

        .masonry-row.row-4 .grid-item-6 {
            grid-column: span 6;
        }

        .masonry-row.row-3 {
            grid-template-columns: repeat(12, 1fr);
        }

        .masonry-row.row-3 .grid-item-4 {
            grid-column: span 4;
        }

        .masonry-row.row-2 {
            grid-template-columns: repeat(12, 1fr);
        }

        .masonry-row.row-2 .grid-item-6 {
            grid-column: span 6;
        }

        .topic-card {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--brand-red);
        }

        .topic-card .card-image-wrap {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

        .topic-card .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .topic-card:hover .card-image-wrap img {
            transform: scale(1.03);
        }

        .topic-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-red);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 3px 12px;
            border-radius: 20px;
        }

        .topic-card .card-badge.gold {
            background: var(--brand-gold);
            color: var(--brand-ink);
        }

        .topic-card .card-badge.ink {
            background: var(--brand-ink);
            color: var(--text-inverse);
        }

        .topic-card .card-body-content {
            padding: 20px 22px 22px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card .card-title {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .topic-card .card-meta {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .topic-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .topic-card .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-red);
            margin-top: auto;
            padding-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .topic-card .card-link:hover {
            color: var(--brand-red-dark);
            gap: 8px;
        }

        .topic-card.card-large {
            display: flex;
            flex-direction: row;
        }

        .topic-card.card-large .card-image-wrap {
            aspect-ratio: auto;
            min-height: 100%;
            width: 45%;
            flex-shrink: 0;
        }

        .topic-card.card-large .card-body-content {
            width: 55%;
        }

        .topic-card.card-large .card-title {
            font-size: 21px;
            line-height: 1.25;
        }

        /* ============ DEEP INFO SECTION ============ */
        .deep-info {
            background: var(--brand-ink-soft);
            color: var(--text-inverse);
            padding: var(--section-spacing) 0;
        }

        .deep-info .section-heading {
            color: var(--text-inverse);
        }

        .deep-info .section-subtitle {
            color: #bcbcbc;
        }

        .deep-info .info-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .deep-info .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 15px;
            line-height: 1.7;
            color: #e8e8e8;
        }

        .deep-info .info-list li:first-child {
            padding-top: 0;
        }

        .deep-info .info-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .deep-info .info-num {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--brand-gold);
            line-height: 1;
            flex-shrink: 0;
            min-width: 36px;
        }

        .deep-info .info-list li strong {
            display: block;
            color: var(--text-inverse);
            font-weight: 600;
            margin-bottom: 2px;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--section-spacing) 0;
        }

        .faq-accordion .accordion-item {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-button {
            background: #FFFFFF;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 16px;
            padding: 20px 24px;
            border-radius: var(--radius-card) !important;
            transition: all var(--transition-fast);
            position: relative;
            border: none;
            box-shadow: none;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: #FFFFFF;
            color: var(--brand-red);
            border-left: 4px solid var(--brand-red);
            border-radius: var(--radius-card) var(--radius-card) 0 0 !important;
        }

        .faq-accordion .accordion-button:focus {
            border-color: var(--brand-red);
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.12);
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '×';
            color: var(--brand-red);
            transform: rotate(180deg);
        }

        .faq-accordion .accordion-body {
            padding: 20px 24px 24px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            background: #FFFFFF;
            border-radius: 0 0 var(--radius-card) var(--radius-card);
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--brand-red);
            padding: clamp(48px, 7vh, 72px) 0;
            border-top: 2px solid var(--brand-gold);
        }

        .cta-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: clamp(24px, 3.5vw, 38px);
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .cta-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-actions .btn {
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .cta-actions .btn-white-red {
            background: #FFFFFF;
            color: var(--brand-red);
            border-color: #FFFFFF;
        }

        .cta-actions .btn-white-red:hover,
        .cta-actions .btn-white-red:focus {
            background: var(--text-inverse);
            color: var(--brand-red-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
        }

        .cta-actions .btn-outline-white {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: var(--text-inverse);
        }

        .cta-actions .btn-outline-white:hover,
        .cta-actions .btn-outline-white:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--brand-ink);
            color: var(--text-inverse);
            padding: 56px 0 28px;
        }

        .footer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            padding-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-inverse);
        }

        .footer-channels {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px 12px;
        }

        .footer-channels a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }

        .footer-channels a:hover {
            color: var(--brand-gold);
        }

        .footer-middle {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            padding: 24px 0 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--brand-gold);
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--text-inverse);
            padding-left: 4px;
        }

        .footer-bottom {
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--brand-gold);
        }

        .footer-legal {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199.98px) {
            .masonry-row.row-4 {
                grid-template-columns: repeat(6, 1fr);
            }

            .masonry-row.row-4 .grid-item-3 {
                grid-column: span 3;
            }

            .masonry-row.row-4 .grid-item-6 {
                grid-column: span 6;
            }

            .masonry-row.row-3 {
                grid-template-columns: repeat(6, 1fr);
            }

            .masonry-row.row-3 .grid-item-4 {
                grid-column: span 3;
            }

            .masonry-row.row-2 {
                grid-template-columns: repeat(6, 1fr);
            }

            .masonry-row.row-2 .grid-item-6 {
                grid-column: span 6;
            }

            .topic-card.card-large {
                flex-direction: column;
            }

            .topic-card.card-large .card-image-wrap {
                aspect-ratio: 16 / 10;
                width: 100%;
            }

            .topic-card.card-large .card-body-content {
                width: 100%;
            }
        }

        @media (max-width: 991.98px) {
            .hero-stage-wrapper {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .stage-side {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 10px;
            }

            .stage-side-item {
                flex: 1 1 auto;
                min-width: 150px;
            }

            .footer-middle {
                grid-template-columns: 1fr 1fr;
            }

            .data-strip-inner {
                justify-content: center;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-spacing: 56px;
            }

            .nav-masthead {
                padding: 12px 0 10px;
            }

            .nav-utility {
                display: none !important;
            }

            .masonry-row.row-4 {
                grid-template-columns: 1fr;
            }

            .masonry-row.row-4 .grid-item-3,
            .masonry-row.row-4 .grid-item-6 {
                grid-column: span 1;
            }

            .masonry-row.row-3 {
                grid-template-columns: 1fr;
            }

            .masonry-row.row-3 .grid-item-4 {
                grid-column: span 1;
            }

            .masonry-row.row-2 {
                grid-template-columns: 1fr;
            }

            .masonry-row.row-2 .grid-item-6 {
                grid-column: span 1;
            }

            .topic-card.card-large {
                flex-direction: column;
            }

            .topic-card.card-large .card-image-wrap {
                aspect-ratio: 16 / 10;
                width: 100%;
            }

            .topic-card.card-large .card-body-content {
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
                text-align: center;
            }

            .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn {
                flex: 1;
                text-align: center;
                justify-content: center;
            }

            .footer-middle {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-top {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 575.98px) {
            :root {
                --section-spacing: 48px;
                --container-pad: 16px;
            }

            .category-hero h1 {
                font-size: clamp(28px, 8vw, 40px);
            }

            .stage-side-item {
                min-width: 100%;
            }

            .topic-card .card-title {
                font-size: 17px;
            }

            .topic-card .card-body-content {
                padding: 16px 18px 18px;
            }

            .data-strip-inner {
                gap: 8px;
            }

            .data-strip-item {
                font-size: 12px;
            }

            .deep-info .info-num {
                font-size: 22px;
                min-width: 28px;
            }

            .faq-accordion .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }

            .faq-accordion .accordion-body {
                padding: 16px 18px 20px;
                font-size: 13px;
            }
        }

        @media (min-width: 1200px) {
            .masonry-row.row-4 {
                grid-template-columns: repeat(12, 1fr);
            }

            .masonry-row.row-4 .grid-item-3 {
                grid-column: span 3;
            }

            .masonry-row.row-4 .grid-item-6 {
                grid-column: span 6;
            }

            .masonry-row.row-3 {
                grid-template-columns: repeat(12, 1fr);
            }

            .masonry-row.row-3 .grid-item-4 {
                grid-column: span 4;
            }

            .masonry-row.row-2 {
                grid-template-columns: repeat(12, 1fr);
            }

            .masonry-row.row-2 .grid-item-6 {
                grid-column: span 6;
            }

            .topic-card.card-large {
                flex-direction: row;
            }

            .topic-card.card-large .card-image-wrap {
                aspect-ratio: auto;
                min-height: 100%;
                width: 45%;
            }

            .topic-card.card-large .card-body-content {
                width: 55%;
            }
        }

/* roulang page: category4 */
:root {
            --brand-red: #C8102E;
            --brand-red-dark: #8F0B1F;
            --brand-ink: #1A1A1A;
            --brand-ink-soft: #1E1A17;
            --brand-cream: #F5F2ED;
            --brand-gold: #D4AF37;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #8C8C8C;
            --text-inverse: #FFFFFF;
            --border-warm: #E5E0D8;
            --success-green: #2E7D32;
            --warning-amber: #B8860B;
            --error-red: #B71C1C;
            --radius-card: 12px;
            --radius-btn: 40px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 26, 26, 0.12);
            --shadow-red-glow: 0 0 0 1px rgba(200, 16, 46, 0.08), 0 6px 20px rgba(200, 16, 46, 0.22);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-serif: "STSong", "SimSun", serif;
            --section-spacing: clamp(72px, 10vh, 120px);
            --container-max: 1280px;
            --container-pad: clamp(20px, 4vw, 48px);
            --gutter: 24px;
            --transition-fast: 0.25s ease;
            --transition-slow: 0.3s ease;
        }

        :root {
            --section-spacing: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--brand-cream);
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--brand-red);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-cream);
            border-bottom: 1px solid var(--border-warm);
            transition: box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .magazine-nav {
            background: transparent;
            padding: 0;
            border: none;
        }

        .nav-masthead {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            gap: 16px;
        }

        .nav-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--brand-ink);
            line-height: 1.2;
            white-space: nowrap;
        }

        .nav-brand a {
            color: inherit;
        }

        .nav-brand a:hover {
            color: var(--brand-red);
        }

        .nav-utility {
            display: flex;
            align-items: center;
            gap: 20px;
            position: relative;
        }

        .nav-utility::before {
            content: '';
            display: block;
            width: 1px;
            height: 32px;
            background-color: var(--border-warm);
            margin-right: 4px;
        }

        .nav-utility .btn {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline-ink {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
        }

        .btn-outline-ink:hover,
        .btn-outline-ink:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            border-color: var(--brand-ink);
        }

        .btn-solid-red {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
        }

        .btn-solid-red:hover,
        .btn-solid-red:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 8px 0 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-warm);
        }

        .nav-channels .channel-link {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            padding: 4px 10px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-channels .channel-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 100%;
            height: 2px;
            background-color: var(--brand-red);
            transition: right var(--transition-fast);
        }

        .nav-channels .channel-link:hover::after,
        .nav-channels .channel-link.active::after {
            right: 10px;
        }

        .nav-channels .channel-link.active {
            color: var(--brand-red);
        }

        .channel-divider {
            color: var(--border-warm);
            font-size: 12px;
            padding: 0 4px;
            user-select: none;
        }

        /* Mobile hamburger */
        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-red);
            outline-offset: 2px;
        }

        .navbar-toggler-icon {
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 24px;
            height: 18px;
        }

        .navbar-toggler-icon span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--brand-ink);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-collapse {
            background-color: var(--brand-cream);
            border-top: 1px solid var(--border-warm);
            padding: 16px 0;
        }

        .navbar-collapse .channel-link {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-warm);
        }

        .navbar-collapse .channel-link.active {
            color: var(--brand-red);
            font-weight: 600;
        }

        /* ============ FILTER BAR ============ */
        .filter-bar {
            padding: 32px 0 0;
        }

        .filter-bar-inner {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 16px 20px;
        }

        .filter-bar-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--text-secondary);
            margin-right: 4px;
        }

        .filter-tag {
            background: transparent;
            border: 1px solid var(--border-warm);
            border-radius: 24px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--brand-red);
            color: var(--brand-red);
        }

        .filter-tag.active {
            background: var(--brand-red);
            border-color: var(--brand-red);
            color: #FFFFFF;
        }

        /* ============ PAGE HEADER ============ */
        .page-header {
            padding: clamp(48px, 8vh, 80px) 0 clamp(32px, 5vh, 48px);
            border-bottom: 1px solid var(--border-warm);
        }

        .page-header .h1 {
            font-family: var(--font-serif);
            font-size: clamp(36px, 6vw, 72px);
            font-weight: 800;
            line-height: 1.15;
            color: var(--brand-ink);
            letter-spacing: 0.01em;
            margin-bottom: 16px;
        }

        .page-header .lead {
            font-size: 18px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 24px;
        }

        .page-header .header-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .header-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.06em;
            color: var(--text-secondary);
            border: 1px solid var(--border-warm);
            border-radius: 20px;
            padding: 6px 14px;
            background: #FFFFFF;
        }

        .header-badge::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--brand-gold);
        }

        /* ============ TIMELINE ============ */
        .timeline-section {
            padding: var(--section-spacing) 0;
        }

        .timeline-wrapper {
            position: relative;
            max-width: 920px;
            margin: 0 auto;
            padding-left: 20px;
        }

        .timeline-wrapper::before {
            content: '';
            position: absolute;
            top: 8px;
            bottom: 8px;
            left: 0;
            width: 2px;
            background-color: var(--border-warm);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 32px 32px;
            margin: 0;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-node {
            position: absolute;
            top: 6px;
            left: -6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--brand-red);
            border: 3px solid var(--brand-cream);
            box-shadow: 0 0 0 2px var(--brand-red);
            z-index: 2;
        }

        .timeline-node.gold {
            background-color: var(--brand-gold);
            box-shadow: 0 0 0 2px var(--brand-gold);
        }

        .timeline-date {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--brand-red);
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .timeline-content {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .timeline-content:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .timeline-content h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--brand-ink);
            margin-bottom: 12px;
        }

        .timeline-content p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .timeline-image {
            border-radius: var(--radius-img);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background-color: var(--brand-cream);
            border: 1px solid var(--border-warm);
        }

        .timeline-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .timeline-content:hover .timeline-image img {
            transform: scale(1.03);
        }

        .timeline-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .timeline-tag {
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            background: var(--brand-cream);
            border: 1px solid var(--border-warm);
            border-radius: 16px;
            padding: 4px 12px;
        }

        /* ============ DATA HIGHLIGHTS ============ */
        .data-highlights {
            padding: 40px 0 0;
        }

        .data-highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1px;
            background: var(--border-warm);
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-top: 24px;
        }

        .data-highlight-item {
            background: #FFFFFF;
            padding: 24px 20px;
            text-align: center;
        }

        .data-highlight-item .number {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 800;
            color: var(--brand-red);
            line-height: 1.2;
        }

        .data-highlight-item .number.gold {
            color: var(--brand-gold);
        }

        .data-highlight-item .label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            margin-top: 8px;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: var(--section-spacing) 0;
        }

        .cta-block {
            background: var(--brand-red);
            border-radius: var(--radius-card);
            padding: clamp(40px, 6vw, 64px);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-red-glow);
        }

        .cta-block::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 160px;
            height: 100%;
            border-left: 1px solid rgba(255, 255, 255, 0.15);
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            pointer-events: none;
        }

        .cta-block h2 {
            font-family: var(--font-serif);
            font-size: clamp(26px, 3.5vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 16px;
            max-width: 640px;
        }

        .cta-block p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.75;
        }

        .cta-block .btn-white-red {
            background: #FFFFFF;
            border: 1px solid #FFFFFF;
            color: var(--brand-red);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
        }

        .cta-block .btn-white-red:hover {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .cta-block .btn-outline-white {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.7);
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
        }

        .cta-block .btn-outline-white:hover {
            background: #FFFFFF;
            color: var(--brand-red);
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background-color: var(--brand-ink);
            color: var(--text-inverse);
            padding: clamp(48px, 8vh, 72px) 0 24px;
            margin-top: 0;
        }

        .footer-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: #FFFFFF;
            line-height: 1.2;
        }

        .footer-channels {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
        }

        .footer-channels a {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .footer-channels a:hover {
            color: #FFFFFF;
        }

        .footer-middle {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            padding: 32px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #FFFFFF;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 992px) {
            .data-highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-middle {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .page-header .h1 {
                font-size: clamp(32px, 7vw, 48px);
            }

            .timeline-wrapper {
                padding-left: 16px;
            }

            .timeline-item {
                padding-left: 24px;
            }

            .timeline-content {
                padding: 16px 18px;
            }

            .cta-block {
                padding: 32px 24px;
            }

            .cta-block h2 {
                font-size: 26px;
            }

            .filter-bar-inner {
                padding: 12px 14px;
                gap: 8px;
            }

            .filter-tag {
                padding: 5px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 576px) {
            .data-highlights-grid {
                grid-template-columns: 1fr;
            }

            .footer-middle {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-top {
                flex-direction: column;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .timeline-item {
                padding-left: 20px;
            }

            .timeline-wrapper {
                padding-left: 12px;
            }

            .timeline-node {
                left: -5px;
                width: 12px;
                height: 12px;
            }

            .cta-block .btn-white-red,
            .cta-block .btn-outline-white {
                display: block;
                width: 100%;
                text-align: center;
                margin-bottom: 10px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-red: #C8102E;
            --brand-red-dark: #8F0B1F;
            --brand-ink: #1A1A1A;
            --brand-ink-soft: #1E1A17;
            --brand-cream: #F5F2ED;
            --brand-gold: #D4AF37;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #8C8C8C;
            --text-inverse: #FFFFFF;
            --border-warm: #E5E0D8;
            --success-green: #2E7D32;
            --warning-amber: #B8860B;
            --error-red: #B71C1C;
            --radius-card: 12px;
            --radius-btn: 40px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 26, 26, 0.12);
            --shadow-red-glow: 0 0 0 1px rgba(200, 16, 46, 0.08), 0 6px 20px rgba(200, 16, 46, 0.22);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-serif: "STSong", "SimSun", serif;
            --section-spacing: clamp(72px, 10vh, 120px);
            --container-max: 1280px;
            --container-pad: clamp(20px, 4vw, 48px);
            --gutter: 24px;
            --transition-fast: 0.25s ease;
            --transition-slow: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--brand-cream);
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--brand-red);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-cream);
            border-bottom: 1px solid var(--border-warm);
            transition: box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .magazine-nav {
            background: transparent;
            padding: 0;
            border: none;
        }

        .nav-masthead {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            gap: 16px;
        }

        .nav-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--brand-ink);
            line-height: 1.2;
            white-space: nowrap;
            margin-bottom: 0;
        }

        .nav-brand a {
            color: inherit;
        }

        .nav-brand a:hover {
            color: var(--brand-red);
        }

        .nav-utility {
            display: flex;
            align-items: center;
            gap: 20px;
            position: relative;
        }

        .nav-utility::before {
            content: '';
            display: block;
            width: 1px;
            height: 32px;
            background-color: var(--border-warm);
            margin-right: 4px;
        }

        .nav-utility .btn {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline-ink {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
        }

        .btn-outline-ink:hover,
        .btn-outline-ink:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            border-color: var(--brand-ink);
        }

        .btn-solid-red {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
        }

        .btn-solid-red:hover,
        .btn-solid-red:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 8px 0 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-warm);
        }

        .nav-channels .channel-link {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            padding: 4px 10px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-channels .channel-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 100%;
            height: 2px;
            background-color: var(--brand-red);
            transition: right var(--transition-fast);
        }

        .nav-channels .channel-link:hover::after,
        .nav-channels .channel-link.active::after {
            right: 10px;
        }

        .nav-channels .channel-link:hover,
        .nav-channels .channel-link.active {
            color: var(--brand-red);
        }

        .nav-channels .channel-divider {
            color: var(--border-warm);
            font-size: 12px;
            user-select: none;
            padding: 0 2px;
        }

        .navbar-toggler {
            border: 1px solid var(--border-warm);
            border-radius: 8px;
            padding: 8px 10px;
            background: transparent;
            display: flex;
            flex-direction: column;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(200, 16, 46, 0.2);
            outline: none;
        }

        .navbar-toggler-icon {
            display: flex;
            flex-direction: column;
            gap: 4px;
            width: 22px;
            height: auto;
        }

        .navbar-toggler-icon span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--brand-ink);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-nav-collapse {
            background-color: var(--brand-cream);
            border-top: 1px solid var(--border-warm);
            padding: 16px 0;
        }

        .mobile-nav-collapse .mobile-channel-link {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .mobile-nav-collapse .mobile-channel-link:hover,
        .mobile-nav-collapse .mobile-channel-link.active {
            background-color: #FFFFFF;
            color: var(--brand-red);
        }

        .mobile-nav-collapse .mobile-divider {
            height: 1px;
            background-color: var(--border-warm);
            margin: 8px 16px;
        }

        .mobile-nav-utility {
            display: flex;
            gap: 12px;
            padding: 12px 16px;
            flex-wrap: wrap;
        }

        .mobile-nav-utility .btn {
            font-size: 13px;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
        }

        /* ============ HERO ============ */
        .faq-hero {
            padding: clamp(48px, 7vw, 80px) 0 clamp(32px, 5vw, 56px);
            background-color: var(--brand-cream);
            border-bottom: 1px solid var(--border-warm);
        }

        .faq-hero .hero-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            align-items: start;
        }

        .faq-hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.06em;
            color: var(--brand-red);
            background-color: rgba(200, 16, 46, 0.06);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            border: 1px solid rgba(200, 16, 46, 0.15);
        }

        .faq-hero-label::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--brand-red);
        }

        .faq-hero h1 {
            font-size: clamp(32px, 5.5vw, 60px);
            font-weight: 800;
            line-height: 1.2;
            color: var(--brand-ink);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .faq-hero .hero-subtitle {
            font-size: clamp(16px, 2vw, 19px);
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 28px;
        }

        .faq-hero .hero-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
        }

        .faq-hero .hero-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
        }

        .faq-hero .hero-stat strong {
            color: var(--brand-ink);
            font-weight: 700;
        }

        .faq-hero .hero-stat-divider {
            width: 1px;
            height: 20px;
            background-color: var(--border-warm);
        }

        .faq-hero-image {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-height: 240px;
            background-color: var(--brand-ink-soft);
        }

        .faq-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .faq-hero-image .hero-img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(26, 26, 26, 0.75), transparent);
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        /* ============ RULES OVERVIEW ============ */
        .rules-overview {
            padding: var(--section-spacing) 0;
        }

        .section-heading {
            margin-bottom: clamp(32px, 4vw, 48px);
        }

        .section-heading .section-label {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-red);
            margin-bottom: 10px;
            display: block;
        }

        .section-heading h2 {
            font-size: clamp(24px, 3.2vw, 38px);
            font-weight: 700;
            color: var(--brand-ink);
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-heading p {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
        }

        .rules-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gutter);
        }

        .rule-card {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rule-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(200, 16, 46, 0.2);
        }

        .rule-card .rule-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background-color: rgba(200, 16, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--brand-red);
            font-weight: 700;
        }

        .rule-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--brand-ink);
            margin: 0;
        }

        .rule-card p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-secondary);
            margin: 0;
        }

        .rule-card .rule-price {
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-red);
            margin-top: auto;
        }

        .rule-card .rule-price small {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-muted);
        }

        /* ============ FAQ SECTION ============ */
        .faq-section {
            padding: var(--section-spacing) 0;
            background-color: #FFFFFF;
            border-top: 1px solid var(--border-warm);
            border-bottom: 1px solid var(--border-warm);
        }

        .faq-section .section-heading {
            margin-bottom: clamp(32px, 4vw, 48px);
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--border-warm);
            border-radius: 8px !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: #FFFFFF;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-item:last-child {
            margin-bottom: 0;
        }

        .faq-accordion .accordion-item:hover {
            border-color: rgba(200, 16, 46, 0.25);
        }

        .faq-accordion .accordion-button {
            background: #FFFFFF;
            color: var(--brand-ink);
            font-weight: 600;
            font-size: 16px;
            line-height: 1.5;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            border-radius: 8px !important;
            position: relative;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: #FFFFFF;
            color: var(--brand-red);
            box-shadow: none;
            border-left: 4px solid var(--brand-red);
            padding-left: 20px;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(200, 16, 46, 0.1);
            outline: none;
        }

        .faq-accordion .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 24px;
            font-weight: 300;
            color: var(--text-muted);
            width: auto;
            height: auto;
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            transform: none;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--brand-red);
            transform: none;
        }

        .faq-accordion .accordion-body {
            padding: 0 24px 20px 24px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            background: #FFFFFF;
        }

        .faq-accordion .accordion-body p {
            margin: 0;
        }

        .faq-accordion .accordion-body .faq-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--brand-red);
            background: rgba(200, 16, 46, 0.06);
            padding: 2px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
        }

        /* ============ PROCESS STEPS ============ */
        .process-section {
            padding: var(--section-spacing) 0;
            background-color: var(--brand-cream);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gutter);
            counter-reset: step-counter;
        }

        .process-step {
            position: relative;
            padding: 28px 24px;
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            transition: all var(--transition-fast);
            counter-increment: step-counter;
        }

        .process-step::before {
            content: '0' counter(step-counter);
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: rgba(200, 16, 46, 0.12);
            display: block;
            margin-bottom: 16px;
            line-height: 1;
        }

        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(200, 16, 46, 0.2);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-ink);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ============ CTA STRIP ============ */
        .cta-strip {
            padding: clamp(40px, 5vw, 64px) 0;
            background-color: var(--brand-red);
            border-radius: 0;
        }

        .cta-strip-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-strip .cta-text {
            flex: 1;
            min-width: 280px;
        }

        .cta-strip .cta-text h2 {
            color: #FFFFFF;
            font-size: clamp(22px, 2.8vw, 32px);
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .cta-strip .cta-text p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            margin: 0;
            line-height: 1.6;
        }

        .cta-strip .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .cta-strip .btn-white-red {
            background: #FFFFFF;
            border: 1px solid #FFFFFF;
            color: var(--brand-red);
            font-size: 14px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
        }

        .cta-strip .btn-white-red:hover,
        .cta-strip .btn-white-red:focus {
            background: var(--brand-ink);
            border-color: var(--brand-ink);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .cta-strip .btn-outline-white {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
        }

        .cta-strip .btn-outline-white:hover,
        .cta-strip .btn-outline-white:focus {
            background: rgba(255, 255, 255, 0.15);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background-color: var(--brand-ink);
            color: var(--text-inverse);
            padding: clamp(48px, 6vw, 72px) 0 32px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition-fast);
        }

        .site-footer a:hover {
            color: #FFFFFF;
        }

        .footer-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            margin-bottom: 32px;
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 3vw, 40px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: #FFFFFF;
            line-height: 1.2;
        }

        .footer-channels {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-channels a {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: rgba(255, 255, 255, 0.6);
            padding: 2px 0;
            position: relative;
            transition: color var(--transition-fast);
        }

        .footer-channels a:hover {
            color: #FFFFFF;
        }

        .footer-middle {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            line-height: 1.5;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
            line-height: 1.6;
        }

        .footer-bottom .footer-legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-bottom .footer-legal-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
        }

        .footer-bottom .footer-legal-links a:hover {
            color: #FFFFFF;
        }

        .footer-bottom .legal-divider {
            width: 1px;
            height: 14px;
            background-color: rgba(255, 255, 255, 0.2);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199.98px) {
            .rules-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --section-spacing: 56px;
            }
            .faq-hero .hero-inner {
                grid-template-columns: 1fr;
            }
            .faq-hero-image {
                min-height: 200px;
                order: 2;
            }
            .faq-hero .hero-text {
                order: 1;
            }
            .footer-middle {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-spacing: 48px;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .faq-hero h1 {
                font-size: clamp(28px, 7vw, 40px);
            }
            .cta-strip-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 575.98px) {
            .nav-brand {
                font-size: 24px;
            }
            .nav-utility .btn {
                padding: 6px 14px;
                font-size: 12px;
            }
            .faq-accordion .accordion-button {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-accordion .accordion-body {
                padding: 0 18px 16px 18px;
                font-size: 14px;
            }
            .footer-middle {
                grid-template-columns: 1fr;
            }
            .footer-channels {
                gap: 10px;
            }
            .footer-channels a {
                font-size: 12px;
            }
        }

/* roulang page: category5 */
:root {
        --brand-red: #C8102E;
        --brand-red-dark: #8F0B1F;
        --brand-ink: #1A1A1A;
        --brand-ink-soft: #1E1A17;
        --brand-cream: #F5F2ED;
        --brand-gold: #D4AF37;
        --text-primary: #1A1A1A;
        --text-secondary: #4A4A4A;
        --text-muted: #8C8C8C;
        --text-inverse: #FFFFFF;
        --border-warm: #E5E0D8;
        --success-green: #2E7D32;
        --warning-amber: #B8860B;
        --error-red: #B71C1C;
        --radius-card: 12px;
        --radius-btn: 40px;
        --radius-img: 8px;
        --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
        --shadow-md: 0 8px 28px rgba(26, 26, 26, 0.12);
        --shadow-red-glow: 0 0 0 1px rgba(200, 16, 46, 0.08), 0 6px 20px rgba(200, 16, 46, 0.22);
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        --font-serif: "STSong", "SimSun", serif;
        --section-spacing: clamp(72px, 10vh, 120px);
        --container-max: 1280px;
        --container-pad: clamp(20px, 4vw, 48px);
        --gutter: 24px;
        --transition-fast: 0.25s ease;
        --transition-slow: 0.3s ease;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        font-weight: 400;
        line-height: 1.75;
        color: var(--text-primary);
        background-color: var(--brand-cream);
        overflow-x: hidden;
        min-height: 100vh;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        text-decoration: none;
        color: var(--text-primary);
        transition: color var(--transition-fast);
    }
    a:hover {
        color: var(--brand-red);
    }
    button {
        cursor: pointer;
        font-family: inherit;
    }
    input,
    select,
    textarea {
        font-family: inherit;
    }
    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-pad);
        padding-right: var(--container-pad);
    }

    /* ============ NAVIGATION ============ */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: var(--brand-cream);
        border-bottom: 1px solid var(--border-warm);
        transition: box-shadow var(--transition-fast);
    }
    .site-header.scrolled {
        box-shadow: var(--shadow-sm);
    }
    .magazine-nav {
        background: transparent;
        padding: 0;
        border: none;
    }
    .nav-masthead {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 0 12px;
        gap: 16px;
    }
    .nav-brand {
        font-family: var(--font-serif);
        font-size: clamp(28px, 4vw, 48px);
        font-weight: 700;
        letter-spacing: 0.02em;
        color: var(--brand-ink);
        line-height: 1.2;
        white-space: nowrap;
    }
    .nav-brand a {
        color: inherit;
    }
    .nav-brand a:hover {
        color: var(--brand-red);
    }
    .nav-utility {
        display: flex;
        align-items: center;
        gap: 20px;
        position: relative;
    }
    .nav-utility::before {
        content: '';
        display: block;
        width: 1px;
        height: 32px;
        background-color: var(--border-warm);
        margin-right: 4px;
    }
    .nav-utility .btn {
        font-size: 13px;
        font-weight: 500;
        letter-spacing: 0.04em;
        padding: 8px 18px;
        border-radius: var(--radius-btn);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .btn-outline-ink {
        background: transparent;
        border: 1px solid var(--brand-ink);
        color: var(--brand-ink);
    }
    .btn-outline-ink:hover,
    .btn-outline-ink:focus {
        background: var(--brand-ink);
        color: var(--text-inverse);
        border-color: var(--brand-ink);
    }
    .btn-solid-red {
        background: var(--brand-red);
        border: 1px solid var(--brand-red);
        color: var(--text-inverse);
    }
    .btn-solid-red:hover,
    .btn-solid-red:focus {
        background: var(--brand-red-dark);
        border-color: var(--brand-red-dark);
        color: var(--text-inverse);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    .nav-channels {
        display: flex;
        align-items: center;
        gap: 0;
        padding: 8px 0 12px;
        flex-wrap: wrap;
        border-top: 1px solid var(--border-warm);
    }
    .nav-channels .channel-link {
        font-size: 13px;
        font-weight: 500;
        letter-spacing: 0.04em;
        color: var(--text-secondary);
        padding: 4px 10px;
        position: relative;
        transition: color var(--transition-fast);
        white-space: nowrap;
    }
    .nav-channels .channel-link::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 10px;
        width: 0;
        height: 2px;
        background-color: var(--brand-red);
        transition: width var(--transition-fast);
    }
    .nav-channels .channel-link:hover {
        color: var(--brand-red);
    }
    .nav-channels .channel-link:hover::after {
        width: calc(100% - 20px);
    }
    .nav-channels .channel-link.active {
        color: var(--brand-red);
        font-weight: 600;
    }
    .nav-channels .channel-link.active::after {
        width: calc(100% - 20px);
    }
    .channel-divider {
        color: var(--border-warm);
        font-size: 12px;
        margin: 0 2px;
    }
    .navbar-toggler {
        border: 1px solid var(--border-warm);
        padding: 6px 10px;
        border-radius: 6px;
    }
    .navbar-toggler:focus {
        box-shadow: 0 0 0 2px rgba(200, 16, 46, 0.2);
        outline: none;
    }
    .navbar-toggler-icon {
        display: flex;
        flex-direction: column;
        gap: 4px;
        justify-content: center;
    }
    .navbar-toggler-icon span {
        display: block;
        width: 22px;
        height: 2px;
        background-color: var(--brand-ink);
        border-radius: 2px;
    }
    .collapse-mobile-nav {
        background: var(--brand-cream);
        border-top: 1px solid var(--border-warm);
        padding: 16px 0;
    }
    .collapse-mobile-nav .mobile-channel-link {
        display: block;
        padding: 10px 0;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        border-bottom: 1px solid var(--border-warm);
    }
    .collapse-mobile-nav .mobile-channel-link:last-child {
        border-bottom: none;
    }
    .collapse-mobile-nav .mobile-channel-link.active {
        color: var(--brand-red);
    }

    /* ============ PAGE HERO ============ */
    .page-hero {
        padding: clamp(48px, 7vh, 80px) 0;
        border-bottom: 1px solid var(--border-warm);
        background-color: var(--brand-cream);
    }
    .page-hero .h1-title {
        font-size: clamp(36px, 6vw, 72px);
        font-weight: 800;
        line-height: 1.15;
        color: var(--brand-ink);
        margin-bottom: 16px;
        letter-spacing: 0.01em;
    }
    .page-hero .lead-text {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 680px;
        line-height: 1.75;
    }
    .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        margin-top: 24px;
    }
    .hero-meta .meta-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        font-weight: 500;
        color: var(--text-secondary);
        background: #FFFFFF;
        border: 1px solid var(--border-warm);
        border-radius: 40px;
        padding: 6px 14px;
    }
    .hero-meta .meta-badge .dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--brand-gold);
    }

    /* ============ GALLERY SECTION ============ */
    .gallery-section {
        padding: var(--section-spacing) 0;
    }
    .section-label {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.08em;
        color: var(--brand-red);
        text-transform: uppercase;
        margin-bottom: 8px;
    }
    .section-title {
        font-size: clamp(26px, 3.5vw, 42px);
        font-weight: 700;
        color: var(--brand-ink);
        line-height: 1.2;
        margin-bottom: 12px;
    }
    .section-desc {
        color: var(--text-secondary);
        max-width: 620px;
        line-height: 1.75;
        margin-bottom: 40px;
    }
    .masonry-grid {
        column-count: 3;
        column-gap: 24px;
    }
    .masonry-item {
        break-inside: avoid;
        margin-bottom: 24px;
        border-radius: var(--radius-card);
        background: #FFFFFF;
        border: 1px solid var(--border-warm);
        overflow: hidden;
        transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    }
    .masonry-item:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
    }
    .masonry-item .gallery-figure {
        position: relative;
        overflow: hidden;
        border-radius: 0;
        aspect-ratio: 4 / 3;
        background: #F0EBE4;
    }
    .masonry-item .gallery-figure img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }
    .masonry-item:hover .gallery-figure img {
        transform: scale(1.03);
    }
    .masonry-item .gallery-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 24px 20px 16px;
        background: linear-gradient(to top, rgba(26,26,26,0.82), rgba(26,26,26,0.25) 70%, transparent);
        transition: padding-bottom var(--transition-fast);
    }
    .masonry-item:hover .gallery-overlay {
        padding-bottom: 24px;
    }
    .masonry-item .gallery-overlay .gallery-tag {
        display: inline-block;
        font-size: 11px;
        font-weight: 600;
        letter-spacing: 0.05em;
        color: var(--brand-gold);
        background: rgba(26,26,26,0.55);
        border-radius: 40px;
        padding: 3px 10px;
        margin-bottom: 6px;
    }
    .masonry-item .gallery-overlay .gallery-title {
        color: #FFFFFF;
        font-size: 17px;
        font-weight: 600;
        line-height: 1.35;
        margin-bottom: 4px;
    }
    .masonry-item .gallery-overlay .gallery-sub {
        color: rgba(255,255,255,0.75);
        font-size: 12px;
        line-height: 1.5;
    }
    .masonry-item .gallery-body {
        padding: 16px 20px 20px;
    }
    .masonry-item .gallery-body p {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 0;
    }
    .masonry-item:nth-child(2) .gallery-figure {
        aspect-ratio: 16 / 10;
    }
    .masonry-item:nth-child(3) .gallery-figure {
        aspect-ratio: 3 / 4;
    }
    .masonry-item:nth-child(4) .gallery-figure {
        aspect-ratio: 16 / 10;
    }
    .masonry-item:nth-child(5) .gallery-figure {
        aspect-ratio: 5 / 4;
    }
    .masonry-item:nth-child(6) .gallery-figure {
        aspect-ratio: 4 / 3;
    }
    .masonry-item:nth-child(7) .gallery-figure {
        aspect-ratio: 16 / 10;
    }
    .masonry-item:nth-child(8) .gallery-figure {
        aspect-ratio: 3 / 4;
    }
    .gallery-filter-bar {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 32px;
    }
    .gallery-filter-bar .filter-chip {
        font-size: 13px;
        font-weight: 500;
        padding: 7px 16px;
        border-radius: 40px;
        background: #FFFFFF;
        border: 1px solid var(--border-warm);
        color: var(--text-secondary);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .gallery-filter-bar .filter-chip:hover {
        border-color: var(--brand-red);
        color: var(--brand-red);
    }
    .gallery-filter-bar .filter-chip.active {
        background: var(--brand-ink);
        border-color: var(--brand-ink);
        color: #FFFFFF;
    }

    /* ============ DATA INSIGHT ============ */
    .data-insight-section {
        padding: var(--section-spacing) 0;
        background: #FFFFFF;
        border-top: 1px solid var(--border-warm);
        border-bottom: 1px solid var(--border-warm);
    }
    .insight-card {
        background: var(--brand-cream);
        border: 1px solid var(--border-warm);
        border-radius: var(--radius-card);
        padding: 28px 24px;
        height: 100%;
        transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    }
    .insight-card:hover {
        box-shadow: var(--shadow-sm);
        transform: translateY(-4px);
    }
    .insight-card .insight-num {
        font-size: 14px;
        font-weight: 600;
        color: var(--brand-gold);
        letter-spacing: 0.06em;
        margin-bottom: 8px;
    }
    .insight-card h3 {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 10px;
        color: var(--brand-ink);
    }
    .insight-card p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ============ FAQ ============ */
    .faq-section {
        padding: var(--section-spacing) 0;
    }
    .accordion-chart {
        max-width: 820px;
        margin: 0 auto;
    }
    .accordion-chart .accordion-item {
        background: #FFFFFF;
        border: 1px solid var(--border-warm);
        border-radius: var(--radius-card);
        margin-bottom: 12px;
        overflow: hidden;
    }
    .accordion-chart .accordion-header {
        margin: 0;
    }
    .accordion-chart .accordion-button {
        background: #FFFFFF;
        border: none;
        padding: 18px 20px;
        font-size: 16px;
        font-weight: 600;
        color: var(--brand-ink);
        box-shadow: none;
        border-radius: var(--radius-card) var(--radius-card) 0 0;
        transition: background var(--transition-fast), color var(--transition-fast);
        position: relative;
        padding-left: 28px;
    }
    .accordion-chart .accordion-button::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: var(--brand-red);
        border-radius: 0 0 0 var(--radius-card);
    }
    .accordion-chart .accordion-button:not(.collapsed) {
        background: #FDF9F7;
        color: var(--brand-red);
        box-shadow: none;
    }
    .accordion-chart .accordion-button:focus {
        box-shadow: 0 0 0 2px rgba(200, 16, 46, 0.2);
        outline: none;
    }
    .accordion-chart .accordion-button::after {
        content: '+';
        background-image: none;
        font-size: 22px;
        font-weight: 400;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
        transform: none;
        transition: transform var(--transition-fast), color var(--transition-fast);
    }
    .accordion-chart .accordion-button:not(.collapsed)::after {
        content: '−';
        color: var(--brand-red);
        transform: rotate(0deg);
    }
    .accordion-chart .accordion-body {
        padding: 18px 20px 20px 28px;
        color: var(--text-secondary);
        line-height: 1.7;
        font-size: 15px;
    }

    /* ============ CTA ============ */
    .cta-section {
        padding: var(--section-spacing) 0;
    }
    .cta-panel {
        background: var(--brand-red);
        border-radius: 16px;
        padding: clamp(32px, 5vw, 56px);
        color: #FFFFFF;
        position: relative;
        overflow: hidden;
    }
    .cta-panel::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 240px;
        height: 240px;
        background: rgba(255, 255, 255, 0.04);
        border-radius: 50%;
        transform: translate(80px, -80px);
        pointer-events: none;
    }
    .cta-panel h2 {
        font-size: clamp(24px, 3vw, 36px);
        font-weight: 700;
        margin-bottom: 12px;
        line-height: 1.3;
        position: relative;
        z-index: 1;
    }
    .cta-panel p {
        font-size: 15px;
        opacity: 0.88;
        max-width: 520px;
        margin-bottom: 24px;
        position: relative;
        z-index: 1;
        line-height: 1.7;
    }
    .cta-panel .cta-btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        position: relative;
        z-index: 1;
    }
    .btn-white-red {
        background: #FFFFFF;
        border: 1px solid #FFFFFF;
        color: var(--brand-red);
        font-weight: 600;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        transition: all var(--transition-fast);
    }
    .btn-white-red:hover,
    .btn-white-red:focus {
        background: var(--brand-ink);
        border-color: var(--brand-ink);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    .btn-outline-white {
        background: transparent;
        border: 1px solid rgba(255,255,255,0.6);
        color: #FFFFFF;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        transition: all var(--transition-fast);
    }
    .btn-outline-white:hover,
    .btn-outline-white:focus {
        background: rgba(255,255,255,0.12);
        border-color: #FFFFFF;
        color: #FFFFFF;
        transform: translateY(-2px);
    }

    /* ============ FOOTER ============ */
    .site-footer {
        background: var(--brand-ink);
        color: rgba(255, 255, 255, 0.8);
        padding-top: 56px;
        font-size: 14px;
    }
    .footer-top {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        padding-bottom: 32px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }
    .footer-brand {
        font-family: var(--font-serif);
        font-size: clamp(24px, 3vw, 36px);
        font-weight: 700;
        color: #FFFFFF;
        letter-spacing: 0.02em;
    }
    .footer-channels {
        display: flex;
        flex-wrap: wrap;
        gap: 6px 16px;
    }
    .footer-channels a {
        color: rgba(255, 255, 255, 0.7);
        font-size: 13px;
        transition: color var(--transition-fast);
    }
    .footer-channels a:hover {
        color: var(--brand-gold);
    }
    .footer-middle {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        padding: 32px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }
    .footer-col h4 {
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.06em;
        color: #FFFFFF;
        margin-bottom: 14px;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 13px;
        transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover {
        color: var(--brand-gold);
    }
    .footer-bottom {
        padding: 20px 0 28px;
    }
    .footer-bottom p {
        margin-bottom: 6px;
        color: rgba(255, 255, 255, 0.55);
        font-size: 12px;
        line-height: 1.7;
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 12px;
        transition: color var(--transition-fast);
    }
    .footer-bottom a:hover {
        color: var(--brand-gold);
    }
    .footer-bottom .sep {
        margin: 0 8px;
        color: rgba(255, 255, 255, 0.3);
    }

    /* ============ RESPONSIVE ============ */
    @media (max-width: 1199px) {
        .masonry-grid {
            column-count: 2;
        }
    }
    @media (max-width: 991px) {
        .footer-middle {
            grid-template-columns: repeat(2, 1fr);
        }
        .masonry-grid {
            column-count: 2;
            column-gap: 16px;
        }
    }
    @media (max-width: 767px) {
        :root {
            --section-spacing: 64px;
            --container-pad: 20px;
        }
        .nav-masthead {
            padding: 12px 0 8px;
        }
        .masonry-grid {
            column-count: 1;
        }
        .masonry-item .gallery-figure,
        .masonry-item:nth-child(2) .gallery-figure,
        .masonry-item:nth-child(3) .gallery-figure,
        .masonry-item:nth-child(4) .gallery-figure,
        .masonry-item:nth-child(5) .gallery-figure,
        .masonry-item:nth-child(6) .gallery-figure,
        .masonry-item:nth-child(7) .gallery-figure,
        .masonry-item:nth-child(8) .gallery-figure {
            aspect-ratio: 16 / 10;
        }
        .footer-middle {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .footer-top {
            flex-direction: column;
            align-items: flex-start;
        }
        .gallery-filter-bar {
            gap: 6px;
        }
        .gallery-filter-bar .filter-chip {
            font-size: 12px;
            padding: 6px 12px;
        }
        .cta-panel {
            border-radius: 12px;
        }
    }
    @media (max-width: 575px) {
        .page-hero .h1-title {
            font-size: 32px;
        }
        .hero-meta {
            gap: 8px;
        }
        .hero-meta .meta-badge {
            font-size: 11px;
            padding: 5px 10px;
        }
        .masonry-item .gallery-overlay .gallery-title {
            font-size: 15px;
        }
        .masonry-item {
            border-radius: 8px;
        }
    }

/* roulang page: category7 */
:root {
            --brand-red: #C8102E;
            --brand-red-dark: #8F0B1F;
            --brand-ink: #1A1A1A;
            --brand-ink-soft: #1E1A17;
            --brand-cream: #F5F2ED;
            --brand-gold: #D4AF37;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #8C8C8C;
            --text-inverse: #FFFFFF;
            --border-warm: #E5E0D8;
            --success-green: #2E7D32;
            --warning-amber: #B8860B;
            --error-red: #B71C1C;
            --radius-card: 12px;
            --radius-btn: 40px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 26, 26, 0.12);
            --shadow-red-glow: 0 0 0 1px rgba(200, 16, 46, 0.08), 0 6px 20px rgba(200, 16, 46, 0.22);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-serif: "STSong", "SimSun", serif;
            --section-spacing: clamp(72px, 10vh, 120px);
            --container-max: 1280px;
            --container-pad: clamp(20px, 4vw, 48px);
            --gutter: 24px;
            --transition-fast: 0.25s ease;
            --transition-slow: 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--brand-cream);
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-red);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }
        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-cream);
            border-bottom: 1px solid var(--border-warm);
            transition: box-shadow var(--transition-fast);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .magazine-nav {
            background: transparent;
            padding: 0;
            border: none;
        }
        .nav-masthead {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            gap: 16px;
        }
        .nav-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--brand-ink);
            line-height: 1.2;
            white-space: nowrap;
        }
        .nav-brand a {
            color: inherit;
        }
        .nav-brand a:hover {
            color: var(--brand-red);
        }
        .nav-utility {
            display: flex;
            align-items: center;
            gap: 20px;
            position: relative;
        }
        .nav-utility::before {
            content: '';
            display: block;
            width: 1px;
            height: 32px;
            background-color: var(--border-warm);
            margin-right: 4px;
        }
        .nav-utility .btn {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-ink {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
        }
        .btn-outline-ink:hover,
        .btn-outline-ink:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            border-color: var(--brand-ink);
        }
        .btn-solid-red {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
        }
        .btn-solid-red:hover,
        .btn-solid-red:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 8px 0 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-warm);
        }
        .nav-channels .channel-link {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            padding: 4px 10px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-channels .channel-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 100%;
            height: 2px;
            background-color: var(--brand-red);
            transition: right var(--transition-fast);
        }
        .nav-channels .channel-link:hover::after,
        .nav-channels .channel-link.active::after {
            right: 10px;
        }
        .nav-channels .channel-link.active {
            color: var(--brand-red);
            font-weight: 600;
        }
        .nav-channels .channel-divider {
            color: var(--border-warm);
            font-size: 12px;
            margin: 0 2px;
            user-select: none;
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.15);
            outline: none;
        }
        .navbar-toggler-icon {
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 24px;
            height: 18px;
            justify-content: center;
        }
        .navbar-toggler-icon span {
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--brand-ink);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        #mobileNav {
            background: var(--brand-cream);
            border-top: 1px solid var(--border-warm);
            padding: 12px 0;
        }
        #mobileNav .channel-link {
            display: block;
            padding: 10px 0;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-warm);
        }
        #mobileNav .channel-link:last-child {
            border-bottom: none;
        }
        #mobileNav .channel-link.active {
            color: var(--brand-red);
        }
        #mobileNav .nav-utility-mobile {
            display: flex;
            gap: 12px;
            padding-top: 12px;
        }
        #mobileNav .nav-utility-mobile .btn {
            flex: 1;
            font-size: 13px;
            padding: 10px 16px;
            border-radius: var(--radius-btn);
        }
        /* ============ SUBSCRIPTION HERO ============ */
        .subscription-hero {
            padding: clamp(56px, 7vh, 88px) 0 clamp(48px, 6vh, 72px);
            background: var(--brand-cream);
            position: relative;
            overflow: hidden;
        }
        .subscription-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--brand-red);
        }
        .subscription-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 175, 55, 0.12);
            color: var(--warning-amber);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            margin-bottom: 18px;
            border: 1px solid rgba(212, 175, 55, 0.3);
        }
        .subscription-hero .hero-badge i {
            font-size: 10px;
        }
        .subscription-hero h1 {
            font-size: clamp(34px, 5.5vw, 64px);
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin-bottom: 20px;
            max-width: 820px;
        }
        .subscription-hero h1 .highlight {
            color: var(--brand-red);
            position: relative;
        }
        .subscription-hero .hero-sub {
            font-size: clamp(16px, 1.6vw, 19px);
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 30px;
        }
        .subscription-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .subscription-hero .hero-actions .btn {
            font-size: 15px;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .subscription-hero .hero-actions .btn-solid-red {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
        }
        .subscription-hero .hero-actions .btn-solid-red:hover,
        .subscription-hero .hero-actions .btn-solid-red:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-red-glow);
        }
        .subscription-hero .hero-actions .btn-outline-ink {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
        }
        .subscription-hero .hero-actions .btn-outline-ink:hover,
        .subscription-hero .hero-actions .btn-outline-ink:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            border-color: var(--brand-ink);
        }
        .hero-stats-mini {
            display: flex;
            gap: 28px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .hero-stats-mini .stat-mini {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .hero-stats-mini .stat-mini i {
            color: var(--brand-gold);
            font-size: 12px;
        }
        /* ============ SUBSCRIPTION MAIN LAYOUT ============ */
        .subscription-main {
            padding: 0 0 var(--section-spacing);
            background: var(--brand-cream);
        }
        .subscription-layout {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: clamp(28px, 4vw, 48px);
            align-items: start;
        }
        /* Form Card */
        .subscription-form-card {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: clamp(24px, 3vw, 40px);
            box-shadow: var(--shadow-sm);
        }
        .subscription-form-card .form-heading {
            margin-bottom: 24px;
        }
        .subscription-form-card .form-heading h2 {
            font-size: clamp(22px, 2.6vw, 30px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .subscription-form-card .form-heading p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .form-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }
        .form-control-custom {
            width: 100%;
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: 8px;
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            appearance: auto;
        }
        .form-control-custom:focus {
            outline: none;
            border-color: var(--brand-red);
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
        }
        .form-control-custom::placeholder {
            color: var(--text-muted);
        }
        textarea.form-control-custom {
            resize: vertical;
            min-height: 90px;
        }
        .form-check-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border: 1px solid var(--border-warm);
            border-radius: 8px;
            margin-bottom: 8px;
            cursor: pointer;
            transition: all var(--transition-fast);
            background: #FFFFFF;
        }
        .form-check-custom:hover {
            border-color: var(--brand-red);
            background: rgba(200, 16, 46, 0.02);
        }
        .form-check-custom input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--brand-red);
            cursor: pointer;
            flex-shrink: 0;
        }
        .form-check-custom label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            margin: 0;
            flex: 1;
        }
        .form-check-custom .check-desc {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
            display: block;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-submit-btn {
            width: 100%;
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .form-submit-btn:hover,
        .form-submit-btn:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-red-glow);
        }
        .form-disclaimer {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 14px;
            text-align: center;
            line-height: 1.6;
        }
        /* Right Side Panel */
        .subscription-side-panel {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .qr-placeholder {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .qr-placeholder .qr-frame {
            width: 160px;
            height: 160px;
            margin: 0 auto 12px;
            background: repeating-conic-gradient(#1A1A1A 0% 25%, #FFFFFF 0% 50%) 0 0 / 20px 20px;
            border-radius: 8px;
            border: 1px solid var(--border-warm);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .qr-placeholder .qr-frame::after {
            content: '中国体彩网';
            position: absolute;
            background: var(--brand-cream);
            padding: 6px 12px;
            font-size: 11px;
            font-weight: 600;
            color: var(--brand-red);
            border-radius: 4px;
            letter-spacing: 0.04em;
        }
        .qr-placeholder h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .qr-placeholder p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .action-btn-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .action-btn-group .action-btn {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }
        .action-btn-group .action-btn:hover,
        .action-btn-group .action-btn:focus {
            border-color: var(--brand-red);
            background: rgba(200, 16, 46, 0.02);
            transform: translateX(4px);
            color: var(--brand-red);
        }
        .action-btn-group .action-btn i {
            color: var(--brand-gold);
            font-size: 14px;
            transition: transform var(--transition-fast);
        }
        .action-btn-group .action-btn:hover i {
            transform: translateX(4px);
        }
        .action-btn-group .action-btn.btn-subscribe-cta {
            background: var(--brand-red);
            border-color: var(--brand-red);
            color: var(--text-inverse);
        }
        .action-btn-group .action-btn.btn-subscribe-cta:hover,
        .action-btn-group .action-btn.btn-subscribe-cta:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            box-shadow: var(--shadow-red-glow);
        }
        .action-btn-group .action-btn.btn-subscribe-cta i {
            color: var(--text-inverse);
        }
        .service-note-list {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .service-note-list h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .service-note-list ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .service-note-list ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px solid var(--border-warm);
            line-height: 1.6;
        }
        .service-note-list ul li:last-child {
            border-bottom: none;
        }
        .service-note-list ul li i {
            color: var(--success-green);
            margin-top: 4px;
            flex-shrink: 0;
        }
        /* ============ CHANNEL BENEFITS ============ */
        .channel-benefits {
            padding: var(--section-spacing) 0;
            background: var(--brand-ink);
        }
        .channel-benefits .section-heading h2 {
            color: var(--text-inverse);
            font-size: clamp(26px, 3.5vw, 40px);
            font-weight: 700;
            margin-bottom: 14px;
        }
        .channel-benefits .section-heading p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            max-width: 560px;
            margin-bottom: 0;
        }
        .benefit-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 24px;
            height: 100%;
            transition: all var(--transition-fast);
        }
        .benefit-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(212, 175, 55, 0.4);
            transform: translateY(-4px);
        }
        .benefit-card .benefit-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .benefit-card .benefit-icon i {
            color: var(--brand-red);
            font-size: 18px;
        }
        .benefit-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 8px;
        }
        .benefit-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0;
            line-height: 1.65;
        }
        /* ============ SUBSCRIPTION FLOW ============ */
        .subscription-flow {
            padding: var(--section-spacing) 0;
            background: var(--brand-cream);
        }
        .subscription-flow .section-heading h2 {
            font-size: clamp(26px, 3.5vw, 40px);
            font-weight: 700;
            margin-bottom: 14px;
        }
        .subscription-flow .section-heading p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 0;
            max-width: 560px;
        }
        .flow-step {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 28px;
            height: 100%;
            position: relative;
            transition: all var(--transition-fast);
        }
        .flow-step:hover {
            border-color: var(--brand-red);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .flow-step .step-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--border-warm);
            line-height: 1;
            margin-bottom: 14px;
            font-family: var(--font-serif);
        }
        .flow-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
        }
        /* ============ FAQ ============ */
        .subscription-faq {
            padding: var(--section-spacing) 0;
            background: var(--brand-cream);
        }
        .subscription-faq .section-heading h2 {
            font-size: clamp(26px, 3.5vw, 40px);
            font-weight: 700;
            margin-bottom: 14px;
        }
        .subscription-faq .section-heading p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .accordion-custom .accordion-item {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: 8px !important;
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-custom .accordion-item:hover {
            border-color: var(--brand-red);
        }
        .accordion-custom .accordion-button {
            background: #FFFFFF;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 20px;
            border: none;
            box-shadow: none !important;
            border-radius: 8px !important;
            position: relative;
            letter-spacing: 0.02em;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(200, 16, 46, 0.04);
            color: var(--brand-red);
            border-left: 3px solid var(--brand-red);
        }
        .accordion-custom .accordion-button::after {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            background-size: 20px;
            filter: grayscale(1) brightness(0.4);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.12) !important;
        }
        .accordion-custom .accordion-body {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* ============ FINAL CTA ============ */
        .subscription-cta {
            padding: var(--section-spacing) 0;
            background: var(--brand-red);
            position: relative;
            overflow: hidden;
        }
        .subscription-cta::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscription-cta .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .subscription-cta h2 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            color: var(--text-inverse);
            margin-bottom: 14px;
        }
        .subscription-cta p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }
        .subscription-cta .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .subscription-cta .btn-cta-white {
            background: var(--text-inverse);
            border: 1px solid var(--text-inverse);
            color: var(--brand-red);
            font-size: 16px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .subscription-cta .btn-cta-white:hover,
        .subscription-cta .btn-cta-white:focus {
            background: var(--brand-red-dark);
            border-color: var(--text-inverse);
            color: var(--text-inverse);
            transform: translateY(-2px);
        }
        .subscription-cta .btn-cta-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: var(--text-inverse);
            font-size: 16px;
            font-weight: 500;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .subscription-cta .btn-cta-ghost:hover,
        .subscription-cta .btn-cta-ghost:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-inverse);
            transform: translateY(-2px);
        }
        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--brand-ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 24px;
        }
        .footer-top {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand {
            font-family: var(--font-serif);
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            color: var(--text-inverse);
            letter-spacing: 0.02em;
        }
        .footer-channels {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .footer-channels a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }
        .footer-channels a:hover {
            color: var(--brand-gold);
        }
        .footer-middle {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            padding: 32px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-inverse);
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-gold);
        }
        .footer-bottom {
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 8px;
        }
        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            align-items: center;
        }
        .footer-bottom .footer-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--brand-gold);
        }
        .footer-bottom .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }
        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199px) {
            .footer-middle {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991px) {
            .subscription-layout {
                grid-template-columns: 1fr;
            }
            .footer-middle {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .channel-benefits .benefit-card {
                margin-bottom: 16px;
            }
            .nav-utility .btn {
                padding: 6px 14px;
                font-size: 12px;
            }
            .nav-utility::before {
                height: 26px;
            }
        }
        @media (max-width: 767px) {
            .site-header {
                position: sticky;
            }
            .nav-utility {
                display: none !important;
            }
            .nav-masthead {
                padding: 12px 0 10px;
            }
            .nav-brand {
                font-size: 24px;
            }
            .subscription-hero h1 {
                font-size: 28px;
            }
            .subscription-hero .hero-sub {
                font-size: 15px;
            }
            .subscription-hero .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-mini {
                gap: 16px;
            }
            .subscription-form-card {
                padding: 20px;
            }
            .qr-placeholder .qr-frame {
                width: 130px;
                height: 130px;
            }
            .action-btn-group .action-btn {
                padding: 14px 16px;
                font-size: 14px;
            }
            .service-note-list {
                padding: 18px;
            }
            .footer-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-middle {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .flow-step {
                margin-bottom: 14px;
            }
            .subscription-cta h2 {
                font-size: 24px;
            }
            .subscription-cta .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 575px) {
            :root {
                --section-spacing: 48px;
            }
            .subscription-hero {
                padding: 40px 0 32px;
            }
            .subscription-hero h1 {
                font-size: 24px;
            }
            .subscription-form-card {
                border-radius: 8px;
                padding: 16px;
            }
            .action-btn-group .action-btn {
                border-radius: 8px;
                padding: 12px 14px;
                font-size: 13px;
            }
            .benefit-card {
                padding: 18px;
            }
            .flow-step {
                padding: 20px;
                border-radius: 8px;
            }
            .accordion-custom .accordion-button {
                font-size: 14px;
                padding: 14px 16px;
            }
            .accordion-custom .accordion-body {
                padding: 0 16px 14px;
                font-size: 13px;
            }
            .footer-bottom .footer-links {
                gap: 8px;
                font-size: 11px;
            }
        }

/* roulang page: category6 */
:root {
            --brand-red: #C8102E;
            --brand-red-dark: #8F0B1F;
            --brand-ink: #1A1A1A;
            --brand-ink-soft: #1E1A17;
            --brand-cream: #F5F2ED;
            --brand-gold: #D4AF37;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #8C8C8C;
            --text-inverse: #FFFFFF;
            --border-warm: #E5E0D8;
            --success-green: #2E7D32;
            --warning-amber: #B8860B;
            --error-red: #B71C1C;
            --radius-card: 12px;
            --radius-btn: 40px;
            --radius-img: 8px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 26, 26, 0.12);
            --shadow-red-glow: 0 0 0 1px rgba(200, 16, 46, 0.08), 0 6px 20px rgba(200, 16, 46, 0.22);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-serif: "STSong", "SimSun", serif;
            --section-spacing: clamp(72px, 10vh, 120px);
            --container-max: 1280px;
            --container-pad: clamp(20px, 4vw, 48px);
            --gutter: 24px;
            --transition-fast: 0.25s ease;
            --transition-slow: 0.3s ease;
        }
        @media (max-width: 991.98px) {
            :root {
                --section-spacing: 64px;
            }
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--brand-cream);
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-red);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input, select, textarea {
            font-family: inherit;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }

        /* ============ NAVIGATION ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--brand-cream);
            border-bottom: 1px solid var(--border-warm);
            transition: box-shadow var(--transition-fast);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .magazine-nav {
            background: transparent;
            padding: 0;
            border: none;
        }
        .nav-masthead {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            gap: 16px;
        }
        .nav-brand {
            font-family: var(--font-serif);
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--brand-ink);
            line-height: 1.2;
            white-space: nowrap;
            margin-bottom: 0;
        }
        .nav-brand a {
            color: inherit;
        }
        .nav-brand a:hover {
            color: var(--brand-red);
        }
        .nav-utility {
            display: flex;
            align-items: center;
            gap: 20px;
            position: relative;
        }
        .nav-utility::before {
            content: '';
            display: block;
            width: 1px;
            height: 32px;
            background-color: var(--border-warm);
            margin-right: 4px;
        }
        .nav-utility .btn {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-ink {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
        }
        .btn-outline-ink:hover,
        .btn-outline-ink:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            border-color: var(--brand-ink);
        }
        .btn-solid-red {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
        }
        .btn-solid-red:hover,
        .btn-solid-red:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 8px 0 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-warm);
        }
        .nav-channels .channel-link {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            padding: 4px 10px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-channels .channel-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 100%;
            height: 2px;
            background-color: var(--brand-red);
            transition: right var(--transition-fast);
        }
        .nav-channels .channel-link:hover::after,
        .nav-channels .channel-link.active::after {
            right: 10px;
        }
        .nav-channels .channel-link:hover,
        .nav-channels .channel-link.active {
            color: var(--brand-red);
        }
        .channel-divider {
            font-size: 12px;
            color: var(--border-warm);
            padding: 0 2px;
        }
        .navbar-toggler {
            border: 1px solid var(--border-warm);
            border-radius: 8px;
            padding: 8px 12px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.15);
            outline: none;
        }
        .navbar-toggler-icon {
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 24px;
        }
        .navbar-toggler-icon span {
            display: block;
            height: 2px;
            width: 24px;
            background-color: var(--brand-ink);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-nav-collapse {
            border-top: 1px solid var(--border-warm);
            padding: 12px 0;
        }
        .mobile-nav-collapse .channel-link {
            display: block;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-warm);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .mobile-nav-collapse .channel-link:hover,
        .mobile-nav-collapse .channel-link.active {
            color: var(--brand-red);
            padding-left: 8px;
        }
        .mobile-nav-collapse .channel-link:last-child {
            border-bottom: none;
        }

        /* ============ BUTTONS ============ */
        .btn-primary-custom {
            background: var(--brand-red);
            border: 1px solid var(--brand-red);
            color: var(--text-inverse);
            font-weight: 500;
            font-size: 15px;
            letter-spacing: 0.04em;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-red-dark);
            color: var(--text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary-custom {
            background: transparent;
            border: 1px solid var(--brand-ink);
            color: var(--brand-ink);
            font-weight: 500;
            font-size: 15px;
            letter-spacing: 0.04em;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-secondary-custom:hover,
        .btn-secondary-custom:focus {
            background: var(--brand-ink);
            color: var(--text-inverse);
            border-color: var(--brand-ink);
        }
        .btn-cta-large {
            background: var(--brand-red);
            border: 1px solid var(--brand-gold);
            color: var(--text-inverse);
            font-weight: 600;
            font-size: 16px;
            letter-spacing: 0.06em;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-red-glow);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .btn-cta-large:hover,
        .btn-cta-large:focus {
            background: var(--brand-red-dark);
            border-color: var(--brand-gold);
            color: var(--text-inverse);
            transform: scale(1.02);
            box-shadow: 0 0 0 1px rgba(200, 16, 46, 0.15), 0 10px 30px rgba(200, 16, 46, 0.3);
        }
        .btn-outline-light-custom {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: var(--text-inverse);
            font-weight: 500;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-outline-light-custom:hover,
        .btn-outline-light-custom:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-inverse);
            color: var(--text-inverse);
        }

        /* ============ HERO SECTION ============ */
        .knowledge-hero {
            padding: clamp(48px, 7vh, 80px) 0 clamp(40px, 6vh, 64px);
            position: relative;
            overflow: hidden;
        }
        .knowledge-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--brand-red);
        }
        .knowledge-hero .hero-title {
            font-size: clamp(34px, 5.5vw, 64px);
            font-weight: 800;
            line-height: 1.18;
            color: var(--brand-ink);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .knowledge-hero .hero-title .highlight-red {
            color: var(--brand-red);
        }
        .knowledge-hero .hero-subtitle {
            font-size: clamp(16px, 2vw, 19px);
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 28px;
            font-weight: 400;
        }
        .hero-meta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .hero-meta-tags .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.05em;
            color: var(--text-secondary);
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: 30px;
            padding: 6px 14px;
            transition: all var(--transition-fast);
        }
        .hero-meta-tags .meta-tag:hover {
            border-color: var(--brand-red);
            color: var(--brand-red);
        }
        .hero-data-overview {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: stretch;
        }
        .hero-data-card {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            min-width: 150px;
            flex: 1 1 150px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .hero-data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #D4CFC5;
        }
        .hero-data-card .data-number {
            font-size: clamp(28px, 3vw, 40px);
            font-weight: 800;
            color: var(--brand-red);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .hero-data-card .data-number.gold {
            color: var(--brand-gold);
        }
        .hero-data-card .data-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-top: 6px;
        }

        /* ============ SECTION COMMON ============ */
        .section-block {
            padding: var(--section-spacing) 0;
        }
        .section-block.alt-bg {
            background: #FFFFFF;
            border-top: 1px solid var(--border-warm);
            border-bottom: 1px solid var(--border-warm);
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--brand-gold);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(26px, 3.5vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--brand-ink);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 680px;
            margin-bottom: 32px;
        }

        /* ============ CHART PANELS ============ */
        .chart-panel-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 767.98px) {
            .chart-panel-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .chart-card {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .chart-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #D4CFC5;
        }
        .chart-card .chart-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--brand-ink);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .chart-card .chart-card-title .chart-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-cream);
            margin-right: 8px;
            font-size: 14px;
            color: var(--brand-red);
        }
        .data-bar-group {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .data-bar-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .data-bar-item .bar-label {
            flex: 0 0 90px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .data-bar-item .bar-track {
            flex: 1;
            height: 8px;
            background: var(--brand-cream);
            border-radius: 4px;
            overflow: hidden;
        }
        .data-bar-item .bar-fill {
            height: 100%;
            background: var(--brand-red);
            border-radius: 4px;
            transition: width var(--transition-slow);
        }
        .data-bar-item .bar-fill.gold {
            background: var(--brand-gold);
        }
        .data-bar-item .bar-fill.ink {
            background: var(--brand-ink);
        }
        .data-bar-item .bar-fill.green {
            background: var(--success-green);
        }
        .data-bar-item .bar-value {
            flex: 0 0 48px;
            text-align: right;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-ink);
        }
        .ring-chart-container {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .ring-chart {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            flex-shrink: 0;
            position: relative;
        }
        .ring-chart .ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-ink);
        }
        .ring-legend {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
            min-width: 140px;
        }
        .ring-legend .legend-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .ring-legend .legend-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* ============ DATA INTERPRETATION LIST ============ */
        .interpretation-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .interpretation-item {
            display: flex;
            gap: 20px;
            padding: 24px 20px;
            border-bottom: 1px solid var(--border-warm);
            transition: all var(--transition-fast);
            border-radius: 8px;
        }
        .interpretation-item:hover {
            background: #FFFFFF;
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .interpretation-item:last-child {
            border-bottom: none;
        }
        .interpretation-number {
            flex-shrink: 0;
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-gold);
            letter-spacing: 0.06em;
            padding-top: 2px;
            min-width: 36px;
        }
        .interpretation-content {
            flex: 1;
        }
        .interpretation-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .interpretation-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .interpretation-content .data-point {
            display: inline-block;
            background: var(--brand-cream);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-red);
            margin-right: 6px;
            letter-spacing: 0.03em;
        }

        /* ============ SCENE APPLICATION ============ */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 991.98px) {
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
        }
        .scene-card {
            background: #FFFFFF;
            border: 1px solid var(--border-warm);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .scene-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-red);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .scene-card:hover::before {
            opacity: 1;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .scene-card .scene-index {
            font-size: 12px;
            font-weight: 700;
            color: var(--brand-gold);
            letter-spacing: 0.08em;
            margin-bottom: 8px;
        }
        .scene-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--brand-ink);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .scene-card .scene-stat {
            display: inline-block;
            margin-top: 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-red);
            background: var(--brand-cream);
            border-radius: 20px;
            padding: 4px 14px;
            letter-spacing: 0.03em;
        }

        /* ============ CTA SECTION ============ */
        .cta-section-full {
            background: var(--brand-red);
            padding: clamp(56px, 8vh, 88px) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section-full::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: linear-gradient(135deg, transparent 60%, rgba(255, 255, 255, 0.06) 60%);
            pointer-events: none;
        }
        .cta-section-full .cta-title {
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 800;
            color: var(--text-inverse);
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .cta-section-full .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .cta-section-full .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .cta-btn-white {
            background: var(--text-inverse);
            border: 1px solid var(--text-inverse);
            color: var(--brand-red);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.05em;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .cta-btn-white:hover,
        .cta-btn-white:focus {
            background: var(--brand-cream);
            border-color: var(--brand-cream);
            color: var(--brand-red-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }
        .cta-btn-outline-white {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.65);
            color: var(--text-inverse);
            font-weight: 500;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .cta-btn-outline-white:hover,
        .cta-btn-outline-white:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-inverse);
            color: var(--text-inverse);
        }

        /* ============ IMAGE PLACEHOLDER ============ */
        .img-cover-box {
            background: var(--brand-cream);
            border-radius: var(--radius-img);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--border-warm);
        }
        .img-cover-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .img-cover-box:hover img {
            transform: scale(1.03);
        }
        .img-ratio-16x10 {
            aspect-ratio: 16 / 10;
        }
        .img-ratio-4x3 {
            aspect-ratio: 4 / 3;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--brand-ink);
            color: var(--text-inverse);
            padding: 56px 0 32px;
            border-top: 3px solid var(--brand-red);
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: var(--text-inverse);
        }
        .footer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            margin-bottom: 32px;
        }
        .footer-brand {
            font-family: var(--font-serif);
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-inverse);
        }
        .footer-channels {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-channels a {
            font-size: 13px;
            letter-spacing: 0.04em;
        }
        .footer-middle {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 767.98px) {
            .footer-middle {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-col ul li a:hover {
            color: var(--text-inverse);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom .footer-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--text-inverse);
        }

        /* ============ RESPONSIVE EXTRA ============ */
        @media (max-width: 575.98px) {
            .nav-masthead {
                padding: 12px 0 8px;
            }
            .nav-utility .btn {
                font-size: 12px;
                padding: 6px 14px;
            }
            .knowledge-hero .hero-data-overview {
                gap: 10px;
            }
            .hero-data-card {
                padding: 14px 16px;
                min-width: 120px;
                flex: 1 1 120px;
            }
            .chart-card {
                padding: 20px 16px;
            }
            .data-bar-item .bar-label {
                flex-basis: 70px;
                font-size: 12px;
            }
            .data-bar-item .bar-value {
                flex-basis: 40px;
                font-size: 12px;
            }
            .interpretation-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px 14px;
            }
            .cta-section-full .cta-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section-full .cta-actions .btn,
            .cta-section-full .cta-actions .cta-btn-white,
            .cta-section-full .cta-actions .cta-btn-outline-white {
                width: 100%;
                justify-content: center;
            }
            .footer-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }
        @media (max-width: 991.98px) {
            .nav-channels {
                display: none;
            }
            .mobile-nav-collapse .channel-link {
                display: block;
            }
        }
        @media (min-width: 992px) {
            .mobile-nav-collapse {
                display: none;
            }
        }