/* roulang page: index */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #15181F;
            --bg-card: #1C2028;
            --bg-elevated: #20252E;
            --accent-primary: #00E0A0;
            --accent-hover: #00F5B2;
            --accent-secondary: #FF7A1A;
            --text-primary: #F4F6FA;
            --text-secondary: #AEB4C0;
            --border-color: #2E343F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 28px rgba(0, 224, 160, 0.12);
            --transition-base: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-mono: 'Roboto Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
        }

        *,
        *::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: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: 74px;
        }

        @media (min-width: 768px) {
            body {
                padding-bottom: 0;
            }
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--accent-primary);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        .section-pad {
            padding: 80px 0;
        }
        @media (max-width: 767px) {
            .section-pad {
                padding: 48px 0;
            }
        }

        .section-title {
            font-size: 26px;
            font-weight: 650;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 28px;
            }
            .section-subtitle {
                font-size: 16px;
            }
        }

        .badge-accent {
            display: inline-block;
            background-color: rgba(0, 224, 160, 0.12);
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 224, 160, 0.25);
            margin-bottom: 12px;
        }

        .badge-orange {
            display: inline-block;
            background-color: rgba(255, 122, 26, 0.12);
            color: var(--accent-secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 122, 26, 0.25);
        }

        .card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent-primary);
            color: #0F1218;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            color: #0F1218;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 224, 160, 0.28);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            transform: translateY(-2px);
            background-color: rgba(0, 224, 160, 0.06);
        }

        .mono-num {
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
        }

        .stat-num {
            font-family: var(--font-mono);
            font-size: 34px;
            font-weight: 700;
            color: var(--accent-primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            margin: 0;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background-color: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .logo .logo-icon {
            color: var(--accent-primary);
            font-size: 24px;
            display: flex;
            align-items: center;
        }
        .logo:hover {
            color: var(--accent-primary);
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 6px;
        }
        .desktop-nav a {
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .desktop-nav a:hover {
            color: var(--text-primary);
            background-color: rgba(255, 255, 255, 0.04);
        }
        .desktop-nav a.active {
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.1);
        }

        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }

        /* Mobile bottom tab bar */
        .mobile-tabbar {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 70;
            background-color: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 10px 8px calc(10px + env(safe-area-inset-bottom, 0px));
            justify-content: space-around;
            align-items: center;
        }
        .mobile-tabbar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 12px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
            text-decoration: none;
            flex: 1;
            padding: 4px 2px;
            border-radius: 8px;
        }
        .mobile-tabbar a i {
            font-size: 18px;
            line-height: 1;
        }
        .mobile-tabbar a.active {
            color: var(--accent-primary);
        }
        .mobile-tabbar a:hover {
            color: var(--accent-primary);
        }

        @media (min-width: 768px) {
            .mobile-tabbar {
                display: none;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: url('/assets/images/9319a8aa1e190d11.webp');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(15, 18, 24, 0.87) 0%, rgba(21, 24, 31, 0.65) 50%, rgba(15, 18, 24, 0.82) 100%);
            z-index: -1;
        }
        .hero-inner {
            width: 100%;
            padding: 80px 0 112px;
        }
        .hero-play-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background-color: rgba(0, 224, 160, 0.18);
            border: 2px solid var(--accent-primary);
            color: var(--accent-primary);
            font-size: 24px;
            margin-bottom: 20px;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .hero-play-btn:hover {
            background-color: rgba(0, 224, 160, 0.28);
            transform: scale(1.06);
            box-shadow: 0 0 32px rgba(0, 224, 160, 0.3);
        }
        .hero-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .hero-title em {
            font-style: normal;
            color: var(--accent-primary);
        }
        .hero-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 28px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 36px;
        }
        .hero-signal-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-signal-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-signal-item .signal-num {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: #F4F6FA;
        }
        .hero-signal-item .signal-label {
            font-size: 12px;
            color: #AEB4C0;
        }
        @media (min-width: 768px) {
            .hero-title {
                font-size: 40px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero-play-btn {
                width: 72px;
                height: 72px;
                font-size: 28px;
            }
        }

        /* Stats board */
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .stat-card {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            border-color: rgba(0, 224, 160, 0.4);
        }
        .stat-card .stat-num {
            font-size: 34px;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 13px;
        }
        @media (min-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (min-width: 1024px) {
            .stats-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
                gap: 20px;
                align-items: stretch;
            }
            .stat-card:first-child {
                grid-row: span 2;
            }
            .stat-card {
                padding: 28px 24px;
            }
        }

        /* Service matrix */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (min-width: 1024px) {
            .service-grid {
                grid-template-columns: 1.2fr 0.8fr;
                gap: 24px;
            }
            .service-grid .service-card:first-child {
                grid-row: span 2;
            }
        }
        .service-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .service-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .service-card .svc-icon {
            font-size: 28px;
            color: var(--accent-primary);
            margin-bottom: 4px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Compare section */
        .compare-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .compare-col {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            transition: all var(--transition-base);
        }
        .compare-col.highlight {
            border-color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.04);
        }
        .compare-col .compare-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-col .compare-title i {
            color: var(--accent-primary);
            font-size: 18px;
        }
        .compare-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .compare-list li {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-left: 20px;
            position: relative;
        }
        .compare-list li::before {
            content: '—';
            position: absolute;
            left: 0;
            color: var(--accent-secondary);
            font-weight: 600;
        }
        .compare-col.highlight .compare-list li::before {
            content: '✓';
            color: var(--accent-primary);
            font-weight: 700;
        }
        @media (min-width: 768px) {
            .compare-wrapper {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .compare-col {
                padding: 28px 24px;
            }
        }

        /* Timeline */
        .timeline-wrap {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .timeline-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all var(--transition-base);
            position: relative;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--accent-primary);
            box-shadow: 0 0 12px rgba(0, 224, 160, 0.4);
        }
        .timeline-item .tl-year {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-secondary);
            margin-bottom: 2px;
        }
        .timeline-item .tl-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (min-width: 768px) {
            .timeline-wrap {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 20px;
            }
            .timeline-item {
                flex: 1;
                min-width: 180px;
                padding: 22px 24px;
            }
        }
        @media (max-width: 767px) {
            .timeline-item::before {
                display: none;
            }
        }

        /* News list */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .news-card {
            display: flex;
            flex-direction: column;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .news-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .news-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }
        .news-card .news-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .news-card .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-date {
            font-size: 12px;
            color: #6B7280;
            margin-top: 2px;
        }
        @media (min-width: 640px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }

        /* Assurance */
        .assurance-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 22px 20px;
        }
        .assurance-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            flex: 1 1 200px;
            padding: 8px 12px;
            border-radius: 8px;
            transition: background var(--transition-base);
        }
        .assurance-item:hover {
            background-color: rgba(255, 255, 255, 0.03);
        }
        .assurance-item i {
            font-size: 20px;
            color: var(--accent-primary);
            flex-shrink: 0;
        }

        /* Quick answer */
        .qa-split {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .qa-hotwords {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
        }
        .qa-hotwords h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .qa-hotwords .hotword-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .hotword-tags .tag-pill {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-color);
            background-color: var(--bg-elevated);
            transition: all var(--transition-base);
        }
        .hotword-tags .tag-pill:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            cursor: default;
        }
        .qa-explain {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .qa-explain-card {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            transition: all var(--transition-base);
        }
        .qa-explain-card:hover {
            border-color: rgba(0, 224, 160, 0.4);
        }
        .qa-explain-card .qa-term {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-primary);
            margin-bottom: 4px;
        }
        .qa-explain-card .qa-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (min-width: 768px) {
            .qa-split {
                grid-template-columns: 1fr 1.2fr;
                gap: 24px;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(0, 224, 160, 0.4);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            list-style: none;
            gap: 12px;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-arrow {
            color: var(--accent-primary);
            font-size: 18px;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Brand intro */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: center;
        }
        .brand-intro-text {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 20px;
        }
        .brand-intro-text h3 {
            font-size: 20px;
            font-weight: 650;
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .brand-intro-text p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .brand-intro-visual {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            min-height: 240px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .brand-intro-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        @media (min-width: 768px) {
            .brand-intro-grid {
                grid-template-columns: 1.1fr 0.9fr;
                gap: 32px;
            }
            .brand-intro-text {
                padding: 32px 28px;
            }
        }

        /* Form */
        .form-section-wrap {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 20px;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .form-input {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border var(--transition-base);
            width: 100%;
        }
        .form-input::placeholder {
            color: #6B7280;
        }
        .form-input:focus {
            border-color: var(--accent-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 224, 160, 0.1);
        }
        .form-textarea {
            resize: vertical;
            min-height: 100px;
        }
        @media (min-width: 640px) {
            .form-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-grid .full-col {
                grid-column: 1 / -1;
            }
            .form-section-wrap {
                padding: 32px 28px;
            }
        }

        /* Topic pills */
        .topic-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .topic-pill-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-color);
            background-color: var(--bg-card);
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .topic-pill-link:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.05);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background-color: #0F1218;
            border-top: 1px solid var(--border-color);
            padding: 40px 0 28px;
            position: relative;
            z-index: 5;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand i {
            color: var(--accent-primary);
            font-size: 20px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-links a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-primary);
        }
        .footer-meta {
            font-size: 12px;
            color: #6B7280;
            line-height: 1.9;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
        }
        .footer-meta a {
            color: #6B7280;
            transition: color var(--transition-base);
        }
        .footer-meta a:hover {
            color: var(--accent-primary);
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr;
                gap: 32px;
            }
        }

        /* Small utility */
        .text-accent {
            color: var(--accent-primary);
        }
        .bg-card {
            background-color: var(--bg-card);
        }
        .border-custom {
            border-color: var(--border-color);
        }
        .transition-smooth {
            transition: all var(--transition-base);
        }
        .mb-section {
            margin-bottom: 0;
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #15181F;
            --bg-card: #1C2028;
            --bg-elevated: #20252E;
            --accent-primary: #00E0A0;
            --accent-hover: #00F5B2;
            --accent-secondary: #FF7A1A;
            --text-primary: #F4F6FA;
            --text-secondary: #AEB4C0;
            --border-color: #2E343F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 28px rgba(0, 224, 160, 0.12);
            --transition-base: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-mono: 'Roboto Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: 0;
        }

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

        a:hover {
            color: var(--accent-primary);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 650;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .badge-accent {
            display: inline-block;
            background-color: rgba(0, 224, 160, 0.12);
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 224, 160, 0.25);
            margin-bottom: 12px;
        }

        .badge-orange {
            display: inline-block;
            background-color: rgba(255, 122, 26, 0.12);
            color: var(--accent-secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 122, 26, 0.25);
        }

        .card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent-primary);
            color: #0F1218;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            color: #0F1218;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 224, 160, 0.28);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .btn-outline:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            transform: translateY(-2px);
            background-color: rgba(0, 224, 160, 0.06);
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            margin: 0;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background-color: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background-color: rgba(0, 224, 160, 0.12);
            color: var(--accent-primary);
            font-size: 16px;
        }

        .desktop-nav {
            display: none;
            align-items: center;
            gap: 28px;
        }

        .desktop-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-base);
        }

        .desktop-nav a:hover {
            color: var(--text-primary);
        }

        .desktop-nav a.active {
            color: var(--accent-primary);
        }

        .desktop-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -4px;
            height: 2px;
            border-radius: 2px;
            background-color: var(--accent-primary);
        }

        /* Mobile bottom tab */
        .mobile-tab-bar {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 70;
            background-color: #1C2028;
            border-top: 1px solid var(--border-color);
            padding: 6px 0 8px;
            padding-bottom: calc(6px + env(safe-area-inset-bottom));
        }

        .mobile-tab-bar a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 12px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
            padding: 2px 0;
        }

        .mobile-tab-bar a i {
            font-size: 18px;
            line-height: 1.2;
        }

        .mobile-tab-bar a.active {
            color: var(--accent-primary);
        }

        .mobile-tab-bar a:hover {
            color: var(--accent-primary);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--accent-primary);
        }

        .breadcrumb .sep {
            color: #4B5563;
        }

        .breadcrumb .current {
            color: var(--accent-primary);
        }

        /* Article card */
        .article-card .image-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .article-card .image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

        .article-card .image-wrap .category-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 18, 24, 0.86);
            color: var(--accent-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 224, 160, 0.3);
        }

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

        .article-card .content h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .content .summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .article-card .content .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #6B7280;
            border-top: 1px solid #252B35;
            padding-top: 10px;
        }

        .article-card .content .meta .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Hot scroll cards */
        .hot-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }

        .hot-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .hot-scroll::-webkit-scrollbar-thumb {
            background-color: var(--border-color);
            border-radius: 3px;
        }

        .hot-scroll .hot-card {
            min-width: 260px;
            max-width: 280px;
            scroll-snap-align: start;
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .hot-scroll .hot-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .hot-scroll .hot-card .hot-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .hot-scroll .hot-card .hot-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hot-scroll .hot-card .hot-content {
            padding: 14px 16px 16px;
        }
        .hot-scroll .hot-card .hot-rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background-color: rgba(255, 122, 26, 0.14);
            color: var(--accent-secondary);
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 8px;
            font-family: var(--font-mono);
        }
        .hot-scroll .hot-card h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .hot-scroll .hot-card .hot-meta {
            font-size: 12px;
            color: #6B7280;
        }

        /* Tag pills */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            transition: all var(--transition-base);
        }

        .tag-list a:hover,
        .tag-list a.active {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.06);
        }

        /* Feature block */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: center;
        }

        .feature-split .feature-image {
            aspect-ratio: 16/10;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .feature-split .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-split .feature-text h3 {
            font-size: 22px;
            font-weight: 650;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .feature-split .feature-text p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        /* Data mini cards */
        .data-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .data-mini {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            transition: all var(--transition-base);
        }

        .data-mini:hover {
            border-color: var(--accent-primary);
        }

        .data-mini .data-value {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 700;
            color: var(--accent-primary);
            line-height: 1.3;
            margin-bottom: 6px;
        }

        .data-mini .data-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* Subscribe CTA */
        .subscribe-box {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            align-items: center;
        }

        .subscribe-box .subscribe-info h3 {
            font-size: 20px;
            font-weight: 650;
            margin-bottom: 6px;
        }
        .subscribe-box .subscribe-info p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .subscribe-form input {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition-base);
        }

        .subscribe-form input:focus {
            border-color: var(--accent-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 224, 160, 0.1);
        }

        .subscribe-form input::placeholder {
            color: #6B7280;
        }

        /* Footer */
        .site-footer {
            background-color: #0F1218;
            border-top: 1px solid var(--border-color);
            padding: 32px 0 24px;
            margin-bottom: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
        }

        .footer-brand i {
            color: var(--accent-primary);
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 13px;
        }

        .footer-links a {
            color: var(--text-secondary);
        }
        .footer-links a:hover {
            color: var(--accent-primary);
        }

        .footer-meta {
            font-size: 12px;
            color: #6B7280;
            line-height: 1.7;
        }

        /* Responsive */
        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
            .mobile-tab-bar {
                display: none;
            }
            .site-footer {
                margin-bottom: 0;
            }
            .section-pad {
                padding: 60px 0;
            }
            .feature-split {
                grid-template-columns: 1fr 1fr;
            }
            .subscribe-box {
                grid-template-columns: 1fr auto;
                padding: 32px;
            }
            .subscribe-form {
                flex-direction: row;
                min-width: 420px;
            }
            .subscribe-form input {
                flex: 1;
            }
            .data-row {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
            .section-pad {
                padding: 80px 0;
            }
            .section-title {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* Custom page styles */
        .page-hero {
            position: relative;
            background: linear-gradient(160deg, rgba(15,18,24,0.92), rgba(21,24,31,0.78)), url('/assets/images/9319a8aa1e190d11.webp');
            background-size: cover;
            background-position: center;
            padding: 56px 0 64px;
            border-bottom: 1px solid var(--border-color);
        }

        .page-hero .badge-line {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .page-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .page-hero h1 .highlight {
            color: var(--accent-primary);
        }

        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.8;
        }

        .list-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .list-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .page-hero h1 {
                font-size: 40px;
            }
        }

        /* Footer gap fix for mobile */
        body {
            padding-bottom: 0;
        }
        .site-footer {
            margin-bottom: 64px;
        }
        @media (min-width: 768px) {
            .site-footer {
                margin-bottom: 0;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #15181F;
            --bg-card: #1C2028;
            --bg-elevated: #20252E;
            --accent-primary: #00E0A0;
            --accent-hover: #00F5B2;
            --accent-secondary: #FF7A1A;
            --text-primary: #F4F6FA;
            --text-secondary: #AEB4C0;
            --border-color: #2E343F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 28px rgba(0, 224, 160, 0.12);
            --transition-base: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-mono: 'Roboto Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
        }
        *,
        *::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: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: 0;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--accent-primary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding: 48px 0;
        }
        .section-title {
            font-size: 26px;
            font-weight: 650;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }
        .badge-accent {
            display: inline-block;
            background-color: rgba(0, 224, 160, 0.12);
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 224, 160, 0.25);
            margin-bottom: 12px;
        }
        .badge-orange {
            display: inline-block;
            background-color: rgba(255, 122, 26, 0.12);
            color: var(--accent-secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 122, 26, 0.25);
        }
        .card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent-primary);
            color: #0F1218;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            color: #0F1218;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 224, 160, 0.28);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            transform: translateY(-2px);
            background-color: rgba(0, 224, 160, 0.06);
        }
        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            margin: 0;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background-color: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--text-primary);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background-color: rgba(0, 224, 160, 0.12);
            border-radius: 10px;
            color: var(--accent-primary);
            font-size: 18px;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .desktop-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-base);
        }
        .desktop-nav a:hover {
            color: var(--text-primary);
        }
        .desktop-nav a.active {
            color: var(--accent-primary);
        }
        .desktop-nav a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background-color: var(--accent-primary);
            border-radius: 2px;
        }

        /* Mobile bottom tab */
        .mobile-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 70;
            background-color: #1C2028;
            border-top: 1px solid var(--border-color);
            padding: 6px 8px;
            padding-bottom: calc(6px + env(safe-area-inset-bottom));
        }
        .mobile-tab-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            max-width: 500px;
            margin: 0 auto;
        }
        .mobile-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 12px;
            color: var(--text-secondary);
            padding: 4px 10px;
            border-radius: 8px;
            transition: all var(--transition-base);
            line-height: 1.2;
        }
        .mobile-tab a i {
            font-size: 16px;
        }
        .mobile-tab a.active {
            color: var(--accent-primary);
        }
        .mobile-tab a:hover {
            color: var(--text-primary);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--accent-primary);
        }
        .breadcrumb .sep {
            color: #4B5563;
        }
        .breadcrumb .current {
            color: var(--accent-primary);
            font-weight: 500;
        }

        /* Category hero */
        .category-hero {
            background: linear-gradient(160deg, rgba(15, 18, 24, 0.92), rgba(21, 24, 31, 0.78)), url('/assets/images/87ee1153b98fd283.webp');
            background-size: cover;
            background-position: center;
            padding: 60px 0 48px;
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        /* Article card */
        .article-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .article-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .article-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-title a {
            color: var(--text-primary);
            transition: color var(--transition-base);
        }
        .article-card .card-title a:hover {
            color: var(--accent-primary);
        }
        .article-card .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .article-card .card-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-secondary);
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }
        .article-card .card-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.08);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 224, 160, 0.18);
        }

        /* horizontal card for hot list */
        .hot-card {
            display: flex;
            gap: 16px;
            align-items: center;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 14px;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .hot-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            background-color: var(--bg-elevated);
        }
        .hot-card .hot-rank {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-primary);
            min-width: 44px;
            text-align: center;
        }
        .hot-card img {
            width: 80px;
            height: 56px;
            object-fit: cover;
            border-radius: 8px;
        }
        .hot-card .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-card .hot-info h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-card .hot-info p {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* tag pills */
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .tag-pill:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.06);
            transform: translateY(-2px);
        }
        .tag-pill i {
            font-size: 12px;
        }

        /* faq */
        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-color);
        }
        .faq-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-base);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            color: var(--accent-primary);
            font-size: 14px;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        /* Footer */
        .site-footer {
            background-color: #0F1218;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-brand i {
            color: var(--accent-primary);
            font-size: 22px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 16px;
            font-size: 13px;
        }
        .footer-links a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-primary);
        }
        .footer-meta {
            font-size: 12px;
            color: #6B7280;
            line-height: 1.9;
            margin-top: 8px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .desktop-nav {
                gap: 18px;
            }
            .desktop-nav a {
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-tab {
                display: block;
            }
            body {
                padding-bottom: 70px;
            }
            .section-pad {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .category-hero {
                padding: 36px 0 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 20px;
            }
            .article-card .card-title {
                font-size: 16px;
            }
            .hot-card img {
                width: 64px;
                height: 48px;
            }
            .hot-card .hot-rank {
                font-size: 24px;
                min-width: 32px;
            }
        }
        @media (min-width: 769px) {
            .mobile-tab {
                display: none;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #15181F;
            --bg-card: #1C2028;
            --bg-elevated: #20252E;
            --accent-primary: #00E0A0;
            --accent-hover: #00F5B2;
            --accent-secondary: #FF7A1A;
            --text-primary: #F4F6FA;
            --text-secondary: #AEB4C0;
            --border-color: #2E343F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 28px rgba(0, 224, 160, 0.12);
            --transition-base: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-mono: 'Roboto Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--accent-primary);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding: 64px 0;
        }
        @media (min-width: 1024px) {
            .section-pad {
                padding: 80px 0;
            }
        }

        .section-title {
            font-size: 24px;
            font-weight: 650;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 28px;
            }
        }

        .section-subtitle {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }
        @media (min-width: 768px) {
            .section-subtitle {
                font-size: 16px;
            }
        }

        .badge-accent {
            display: inline-block;
            background-color: rgba(0, 224, 160, 0.12);
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 224, 160, 0.25);
            margin-bottom: 12px;
        }

        .badge-orange {
            display: inline-block;
            background-color: rgba(255, 122, 26, 0.12);
            color: var(--accent-secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 122, 26, 0.25);
        }

        .card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent-primary);
            color: #0F1218;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            color: #0F1218;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 224, 160, 0.28);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            transform: translateY(-2px);
            background-color: rgba(0, 224, 160, 0.06);
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            margin: 0;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background-color: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--text-primary);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent-primary), #00B8E0);
            border-radius: 8px;
            color: #0F1218;
            font-size: 16px;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 6px;
        }
        .desktop-nav a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .desktop-nav a:hover {
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.06);
        }
        .desktop-nav a.active {
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.1);
            border: 1px solid rgba(0, 224, 160, 0.2);
        }
        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }

        /* Mobile Bottom Tab */
        .mobile-tabs {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 70;
            background-color: #1C2028;
            border-top: 1px solid var(--border-color);
            padding: 6px 4px;
            padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
            justify-content: space-around;
            align-items: center;
        }
        .mobile-tabs a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 11px;
            color: var(--text-secondary);
            padding: 4px 8px;
            border-radius: 8px;
            transition: all var(--transition-base);
            min-width: 56px;
        }
        .mobile-tabs a i {
            font-size: 18px;
        }
        .mobile-tabs a.active {
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.08);
        }
        .mobile-tabs a:hover {
            color: var(--accent-primary);
        }
        @media (min-width: 768px) {
            .mobile-tabs {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
        }
        @media (max-width: 767px) {
            body {
                padding-bottom: 74px;
            }
            .section-pad {
                padding: 48px 0;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--accent-primary);
        }
        .breadcrumb .sep {
            color: var(--border-color);
        }
        .breadcrumb .current {
            color: var(--accent-primary);
            font-weight: 500;
        }

        /* Category Hero */
        .category-hero {
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            padding: 32px 0 24px;
        }
        .category-hero h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .category-hero .lead {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 760px;
        }
        @media (min-width: 768px) {
            .category-hero {
                padding: 40px 0 32px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
        }

        /* Metric Strip */
        .metric-strip {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 20px;
            padding: 16px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
        }
        @media (min-width: 640px) {
            .metric-strip {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .metric-item {
            text-align: center;
            padding: 8px 4px;
        }
        .metric-item .num {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .metric-item .label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-top: 24px;
        }
        @media (min-width: 640px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (min-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }

        /* News Card */
        .news-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: var(--bg-elevated);
            position: relative;
        }
        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }
        .news-card:hover .card-img img {
            transform: scale(1.04);
        }
        .news-card .card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-summary {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #6B7280;
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
        }
        .news-card .card-meta .tag {
            background-color: rgba(0, 224, 160, 0.1);
            color: var(--accent-primary);
            font-size: 11px;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 224, 160, 0.2);
        }

        /* Hot list */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 14px 18px;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .hot-item:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .hot-item .rank {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent-secondary);
            min-width: 40px;
            text-align: center;
        }
        .hot-item .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-item .hot-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-item .hot-desc {
            font-size: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-item .hot-date {
            font-size: 12px;
            color: #6B7280;
            white-space: nowrap;
        }

        /* Tag pills */
        .tag-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
        }
        .tag-pill:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.06);
        }

        /* Feature block */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: center;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            margin-top: 24px;
        }
        @media (min-width: 768px) {
            .feature-block {
                grid-template-columns: 1fr 1fr;
                padding: 32px;
                gap: 32px;
            }
        }
        .feature-block .feature-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: 8px;
            background-color: var(--bg-elevated);
        }
        .feature-block .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-block .feature-content h3 {
            font-size: 20px;
            font-weight: 650;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .feature-block .feature-content p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin-top: 24px;
        }
        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--accent-primary);
        }
        .faq-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            font-size: 14px;
            color: var(--accent-primary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        /* Subscribe CTA */
        .subscribe-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 16px;
            margin-top: 24px;
        }
        @media (min-width: 768px) {
            .subscribe-card {
                padding: 40px 32px;
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
                gap: 24px;
            }
        }
        .subscribe-card h3 {
            font-size: 20px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .subscribe-card p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .subscribe-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
            width: 100%;
            max-width: 420px;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 11px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-base);
        }
        .subscribe-form input:focus {
            border-color: var(--accent-primary);
            outline: none;
        }
        .subscribe-form input::placeholder {
            color: #6B7280;
        }

        /* Footer */
        .site-footer {
            background-color: #0F1218;
            border-top: 1px solid var(--border-color);
            padding: 40px 0 24px;
            margin-top: 20px;
        }
        .footer-grid {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        @media (min-width: 768px) {
            .footer-grid {
                flex-direction: row;
                justify-content: space-between;
                align-items: flex-start;
                gap: 40px;
            }
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 16px;
            color: var(--text-primary);
        }
        .footer-brand i {
            color: var(--accent-primary);
            font-size: 18px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 13px;
        }
        .footer-links a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-primary);
        }
        .footer-meta {
            font-size: 12px;
            color: #6B7280;
            line-height: 1.7;
        }

        /* Utility */
        .text-accent {
            color: var(--accent-primary);
        }
        .text-orange {
            color: var(--accent-secondary);
        }
        .bg-card {
            background-color: var(--bg-card);
        }
        .bg-elevated {
            background-color: var(--bg-elevated);
        }
        .border-subtle {
            border-color: var(--border-color);
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #15181F;
            --bg-card: #1C2028;
            --bg-elevated: #20252E;
            --accent-primary: #00E0A0;
            --accent-hover: #00F5B2;
            --accent-secondary: #FF7A1A;
            --text-primary: #F4F6FA;
            --text-secondary: #AEB4C0;
            --border-color: #2E343F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 28px rgba(0, 224, 160, 0.12);
            --transition-base: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-mono: 'Roboto Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: 0;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--accent-primary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 650;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }
        .badge-accent {
            display: inline-block;
            background-color: rgba(0, 224, 160, 0.12);
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 224, 160, 0.25);
            margin-bottom: 12px;
        }
        .badge-orange {
            display: inline-block;
            background-color: rgba(255, 122, 26, 0.12);
            color: var(--accent-secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 122, 26, 0.25);
        }
        .card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent-primary);
            color: #0F1218;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            color: #0F1218;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 224, 160, 0.28);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            transform: translateY(-2px);
            background-color: rgba(0, 224, 160, 0.06);
        }
        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-color), transparent);
            margin: 0;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background-color: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background-color: var(--accent-primary);
            color: #0F1218;
            border-radius: 8px;
            font-size: 18px;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .desktop-nav a {
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .desktop-nav a:hover {
            color: var(--accent-primary);
        }
        .desktop-nav a.active {
            color: var(--accent-primary);
            border-bottom-color: var(--accent-primary);
        }
        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--accent-primary);
        }
        .breadcrumb .sep {
            color: var(--border-color);
        }
        .breadcrumb .current {
            color: var(--accent-primary);
        }
        /* Bento Hero */
        .hero-bento {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr;
            grid-template-areas:
                "main small1 small2"
                "main cta cta";
            gap: 16px;
            padding: 48px 0;
        }
        .hero-main {
            grid-area: main;
            background: linear-gradient(160deg, rgba(15, 18, 24, 0.92), rgba(28, 32, 40, 0.88)), url('/assets/images/9319a8aa1e190d11.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 320px;
        }
        .hero-main h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .hero-main h1 .highlight {
            color: var(--accent-primary);
        }
        .hero-main p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 20px;
        }
        .hero-small {
            border: 1px solid var(--border-color);
            border-radius: 16px;
            background-color: var(--bg-card);
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .hero-cta-bar {
            grid-area: cta;
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-cta-bar .cta-text {
            font-size: 15px;
            color: var(--text-secondary);
        }
        .hero-cta-bar .cta-text strong {
            color: var(--accent-primary);
            font-weight: 600;
        }
        /* Metric board */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .metric-card {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 22px 20px;
            transition: all var(--transition-base);
        }
        .metric-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
        }
        .metric-card .metric-value {
            font-family: var(--font-mono);
            font-size: 34px;
            font-weight: 700;
            color: var(--accent-primary);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        .metric-card.accent-orange .metric-value {
            color: var(--accent-secondary);
        }
        .metric-card.wide {
            grid-column: span 2;
        }
        /* List cards */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .article-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .article-card .img-wrap {
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: var(--bg-elevated);
        }
        .article-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-card:hover .img-wrap img {
            transform: scale(1.04);
        }
        .article-card .card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 8px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
        }
        .article-card .card-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-secondary);
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            margin-bottom: 12px;
            flex: 1;
        }
        .article-card .card-meta {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }
        .article-card .card-meta i {
            color: var(--accent-primary);
            font-size: 11px;
        }
        /* Horizontal scroll cards */
        .scroll-row {
            display: grid;
            grid-auto-flow: column;
            grid-auto-columns: 300px;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }
        .scroll-row::-webkit-scrollbar {
            height: 6px;
        }
        .scroll-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-row::-webkit-scrollbar-thumb {
            background-color: var(--border-color);
            border-radius: 999px;
        }
        .hot-card {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 18px;
            transition: all var(--transition-base);
            min-width: 0;
        }
        .hot-card:hover {
            border-color: var(--accent-secondary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .hot-card .hot-rank {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--accent-secondary);
        }
        .hot-card .hot-title {
            font-size: 15px;
            font-weight: 600;
            margin: 8px 0 6px;
        }
        .hot-card .hot-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* Tag pills */
        .tag-pill-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .tag-pill:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.06);
        }
        .tag-pill.active {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background-color: rgba(0, 224, 160, 0.1);
        }
        /* Feature block */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .feature-split .feature-img {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            aspect-ratio: 4/3;
        }
        .feature-split .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-split .feature-text h2 {
            font-size: 26px;
            font-weight: 650;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .feature-split .feature-text p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .feature-split .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-split .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .feature-split .feature-list li i {
            color: var(--accent-primary);
            margin-top: 5px;
            font-size: 12px;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 18px 20px;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--accent-primary);
        }
        .faq-item summary {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            font-size: 14px;
            color: var(--accent-primary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            padding-top: 12px;
            margin-top: 8px;
            border-top: 1px solid var(--border-color);
        }
        /* Form */
        .form-card {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 36px;
        }
        .form-card input,
        .form-card select,
        .form-card textarea {
            width: 100%;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 15px;
            transition: border-color var(--transition-base);
        }
        .form-card input:focus,
        .form-card select:focus,
        .form-card textarea:focus {
            border-color: var(--accent-primary);
            outline: none;
        }
        .form-card label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .form-field {
            margin-bottom: 20px;
        }
        /* Footer */
        .site-footer {
            background-color: #0F1218;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
            margin-top: 40px;
            text-align: left;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .footer-brand i {
            color: var(--accent-primary);
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-links a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-primary);
        }
        .footer-meta {
            font-size: 12px;
            color: #6B7280;
            line-height: 2;
        }
        /* Mobile bottom tab */
        .mobile-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 70;
            background-color: #1C2028;
            border-top: 1px solid var(--border-color);
            padding: 10px 8px;
            padding-bottom: calc(10px + env(safe-area-inset-bottom));
        }
        .mobile-tab-inner {
            display: flex;
            justify-content: space-around;
            align-items: center;
            max-width: 480px;
            margin: 0 auto;
        }
        .mobile-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: var(--text-secondary);
            transition: color var(--transition-base);
            text-decoration: none;
            flex: 1;
        }
        .mobile-tab i {
            font-size: 20px;
            line-height: 1;
        }
        .mobile-tab:hover {
            color: var(--accent-primary);
        }
        .mobile-tab.active {
            color: var(--accent-primary);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-card.wide {
                grid-column: span 2;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .section-pad {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-bento {
                grid-template-columns: 1fr;
                grid-template-areas:
                    "main"
                    "small1"
                    "small2"
                    "cta";
                padding: 32px 0;
            }
            .hero-main h1 {
                font-size: 28px;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .feature-split {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .mobile-tab-bar {
                display: block;
            }
            body {
                padding-bottom: 72px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .feature-split .feature-img {
                order: -1;
            }
        }
        @media (max-width: 520px) {
            .metric-grid {
                grid-template-columns: 1fr;
            }
            .metric-card.wide {
                grid-column: span 1;
            }
            .scroll-row {
                grid-auto-columns: 240px;
            }
            .hero-main {
                padding: 24px 20px;
                min-height: 260px;
            }
            .hero-cta-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }