/* roulang page: index */
:root {
            --color-primary: #1a1d23;
            --color-primary-soft: #23262e;
            --color-accent: #ff6b35;
            --color-accent-hover: #e85a2b;
            --color-bg: #f6f6f4;
            --color-surface: #ffffff;
            --color-surface-alt: #f0efeb;
            --color-text: #1a1d23;
            --color-text-secondary: #4d5158;
            --color-text-muted: #6f747d;
            --color-border: #e5e5e0;
            --color-border-strong: #d0d0c8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.11);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

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

        input {
            outline: none;
        }

        :focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }

        .section-padding-lg {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }

        /* Header / Navigation */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
        }

        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -0.03em;
        }

        .logo:hover {
            color: var(--color-accent);
        }

        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 0 16px;
            height: 40px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .header-search:focus-within {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .header-search svg {
            width: 16px;
            height: 16px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0 10px;
            font-size: 14px;
            color: var(--color-text);
            height: 100%;
        }

        .header-search input::placeholder {
            color: var(--color-text-muted);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }

        .header-cta:active {
            transform: translateY(0);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            transition: background var(--transition-fast);
        }

        .menu-toggle:hover {
            background: var(--color-surface-alt);
        }

        .menu-toggle svg {
            width: 20px;
            height: 20px;
        }

        .mobile-menu-panel {
            display: none;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .mobile-menu-panel.open {
            max-height: 400px;
        }

        .mobile-menu-panel a {
            display: block;
            padding: 10px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-bottom: 1px solid var(--color-border);
            transition: color var(--transition-fast);
        }

        .mobile-menu-panel a:last-child {
            border-bottom: none;
        }

        .mobile-menu-panel a:hover {
            color: var(--color-accent);
        }

        .header-row-2 {
            border-top: 1px solid var(--color-border);
            background: var(--color-surface);
            overflow-x: auto;
            overflow-y: hidden;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .header-row-2::-webkit-scrollbar {
            display: none;
        }

        .tabs-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 48px;
            padding: 0 8px;
            min-width: max-content;
        }

        .tabs-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .tabs-nav a:hover {
            background: var(--color-surface-alt);
            color: var(--color-text);
        }

        .tabs-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        /* Hero */
        .hero-section {
            background: var(--color-primary);
            color: #fff;
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-2xl);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-cards-container {
            display: grid;
            grid-template-columns: 1.25fr 0.85fr;
            gap: 24px;
            align-items: start;
        }

        .hero-main-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(4px);
            transition: border-color var(--transition-base);
        }

        .hero-main-card:hover {
            border-color: rgba(255, 107, 53, 0.4);
        }

        .hero-main-card .bg-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/244d3acdf00319ea.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
            pointer-events: none;
        }

        .hero-main-card > * {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 107, 53, 0.15);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 107, 53, 0.25);
            margin-bottom: 20px;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.025em;
            margin-bottom: 20px;
            max-width: 600px;
        }

        .hero-title .highlight {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.75);
            max-width: 540px;
            margin-bottom: 28px;
        }

        .hero-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 107, 53, 0.35);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
        }

        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 107, 53, 0.06);
        }

        .hero-stats-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-value {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 2px;
        }

        .hero-side-cards {
            display: flex;
            flex-direction: column;
            gap: 20px;
            padding-top: 12px;
        }

        .hero-side-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
        }

        .hero-side-card:hover {
            transform: translateX(-4px);
            border-color: rgba(255, 107, 53, 0.4);
            background: rgba(255, 255, 255, 0.08);
        }

        .side-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
            display: block;
        }

        .side-card-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .side-card-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .side-card-divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.15);
            margin: 14px 0;
        }

        .side-card-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }

        .side-card-row .label {
            color: rgba(255, 255, 255, 0.5);
        }

        .side-card-row .value {
            font-weight: 700;
            color: #fff;
        }

        /* Section headers */
        .section-header {
            margin-bottom: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-label {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            line-height: 1.25;
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 620px;
            line-height: 1.75;
        }

        .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-bottom: 2px solid var(--color-accent);
            padding-bottom: 2px;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }

        .section-link:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
        }

        /* Cards */
        .card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }

        .card:hover {
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-md);
        }

        .card-cover {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }

        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--color-surface-alt);
            color: var(--color-text-secondary);
            margin-bottom: 10px;
        }

        .card-tag.accent {
            background: rgba(255, 107, 53, 0.12);
            color: var(--color-accent);
        }

        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 8px;
        }

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

        .card-date {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 10px;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 12px;
            transition: gap var(--transition-fast);
        }

        .card-link:hover {
            gap: 8px;
        }

        /* Grids */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        /* Feature tiles */
        .feature-tile {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }

        .feature-tile:hover {
            transform: translateY(-3px);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(255, 107, 53, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .feature-tile h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .feature-tile p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* Content calendar */
        .calendar-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .calendar-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .calendar-item:hover {
            border-color: var(--color-accent);
            background: #fff;
        }

        .calendar-date-box {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            min-width: 56px;
            font-weight: 700;
            font-size: 14px;
            line-height: 1.3;
        }

        .calendar-date-box .day {
            font-size: 12px;
            font-weight: 400;
            opacity: 0.7;
        }

        .calendar-item-body {
            flex: 1;
            min-width: 0;
        }

        .calendar-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
        }

        .calendar-item-meta {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .calendar-item-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--color-surface-alt);
            color: var(--color-text-secondary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .calendar-item-badge.live {
            background: rgba(255, 107, 53, 0.15);
            color: var(--color-accent);
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }

        .news-item:hover {
            transform: translateX(4px);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .news-item-img {
            width: 160px;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .news-item-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .news-item-top {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
        }

        .news-item-date {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .news-item-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: var(--color-surface-alt);
            color: var(--color-text-secondary);
        }

        .news-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .news-item-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }

        .news-item-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 8px;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }

        .news-item-link:hover {
            gap: 8px;
        }

        /* Data analysis */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .data-card {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 28px;
            color: #fff;
            transition: transform var(--transition-fast);
        }

        .data-card:hover {
            transform: translateY(-3px);
        }

        .data-card .data-kpi {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-accent);
        }

        .data-card .data-kpi-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        .data-card .data-bar {
            height: 4px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
            margin-top: 16px;
            overflow: hidden;
        }

        .data-card .data-bar-fill {
            height: 100%;
            background: var(--color-accent);
            border-radius: 4px;
            transition: width var(--transition-slow);
        }

        /* Brand intro */
        .brand-band {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 32px;
            align-items: center;
            box-shadow: var(--shadow-xs);
        }

        .brand-band-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .brand-band h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .brand-band p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            list-style: none;
            transition: color var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--color-accent);
        }

        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-secondary);
            transition: transform var(--transition-fast), background var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }

        .faq-answer {
            padding: 0 20px 18px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-cta h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .subscribe-cta p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            height: 48px;
            padding: 0 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 14px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }

        .subscribe-form .btn-primary {
            height: 48px;
            border-radius: var(--radius-sm);
            padding: 0 28px;
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-xs);
            transition: transform var(--transition-fast), border-color var(--transition-fast);
        }

        .testimonial-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-sm);
        }

        .testimonial-quote {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-text-secondary);
            font-size: 16px;
        }

        .testimonial-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* Media showcase */
        .media-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-primary);
            aspect-ratio: 16/10;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .media-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .media-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.75;
            transition: opacity var(--transition-base);
        }

        .media-card:hover img {
            opacity: 0.55;
        }

        .media-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 100%);
            color: #fff;
        }

        .media-card-overlay .media-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 4px;
        }

        .media-card-overlay h4 {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.35;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding-top: var(--spacing-xl);
            padding-bottom: 24px;
            margin-top: var(--spacing-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            margin-bottom: 24px;
        }

        .footer-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            font-size: 13px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

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

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-bottom .footer-links a:hover {
            color: var(--color-accent);
        }

        .footer-bottom .separator {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .hero-title {
                font-size: 38px;
            }

            .hero-cards-container {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .hero-side-cards {
                flex-direction: row;
                flex-wrap: wrap;
                padding-top: 0;
            }

            .hero-side-card {
                flex: 1;
                min-width: 240px;
            }

            .grid-3,
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .brand-band {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .header-row-1 {
                height: 56px;
            }

            .header-search {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .mobile-menu-panel {
                display: block;
            }

            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-main-card {
                padding: 28px 24px;
            }

            .section-title {
                font-size: 24px;
            }

            .grid-3,
            .grid-4,
            .grid-2 {
                grid-template-columns: 1fr;
            }

            .data-grid {
                grid-template-columns: 1fr;
            }

            .news-item {
                flex-direction: column;
                gap: 12px;
            }

            .news-item-img {
                width: 100%;
                height: 160px;
            }

            .calendar-item {
                flex-wrap: wrap;
                gap: 10px;
            }

            .calendar-date-box {
                min-width: 48px;
                padding: 6px 10px;
            }

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

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

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

            .section-padding {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }

            .section-padding-lg {
                padding-top: var(--spacing-xl);
                padding-bottom: var(--spacing-xl);
            }

            .hero-stats-row {
                gap: 16px;
            }

            .hero-stat-value {
                font-size: 22px;
            }

            .brand-band {
                padding: 24px 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-title {
                font-size: 26px;
            }

            .hero-subtitle {
                font-size: 14px;
            }

            .hero-main-card {
                padding: 20px 16px;
            }

            .btn-primary,
            .btn-secondary {
                padding: 11px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }

            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }

            .hero-side-cards {
                flex-direction: column;
            }

            .section-title {
                font-size: 21px;
            }

            .calendar-item {
                padding: 12px 14px;
            }

            .news-item {
                padding: 14px;
            }

            .tabs-nav a {
                padding: 6px 12px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1d23;
            --color-primary-soft: #23262e;
            --color-accent: #ff6b35;
            --color-accent-hover: #e85a2b;
            --color-bg: #f6f6f4;
            --color-surface: #ffffff;
            --color-surface-alt: #f0efeb;
            --color-text: #1a1d23;
            --color-text-secondary: #4d5158;
            --color-text-muted: #6f747d;
            --color-border: #e5e5e0;
            --color-border-strong: #d0d0c8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.11);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

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

        input {
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }

        .section-padding-lg {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }

        /* Header / Navigation */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
        }

        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -0.03em;
        }

        .logo:hover {
            color: var(--color-accent);
        }

        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 0 16px;
            height: 40px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .header-search:focus-within {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .header-search svg {
            width: 16px;
            height: 16px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0 10px;
            font-size: 14px;
            color: var(--color-text);
            height: 100%;
        }

        .header-search input::placeholder {
            color: var(--color-text-muted);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }

        .header-cta:active {
            transform: translateY(0);
        }

        .header-row-2 {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-row-2::-webkit-scrollbar {
            display: none;
        }

        .tabs-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 0;
            min-width: max-content;
        }

        .tabs-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-surface-alt);
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .tabs-nav a:hover {
            background: var(--color-border);
            color: var(--color-text);
        }

        .tabs-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 16px 0 0;
            font-size: 14px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-bar .separator {
            color: var(--color-border-strong);
            font-size: 12px;
        }

        .breadcrumb-bar .current {
            color: var(--color-text);
            font-weight: 600;
        }

        /* Category page header */
        .category-page-header {
            padding: 32px 0 24px;
            border-bottom: 1px solid var(--color-border);
        }

        .category-page-header h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .category-page-header p {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 800px;
            line-height: 1.7;
        }

        /* Stat cards */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            padding: 24px 0;
        }

        .stat-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-border-strong);
        }

        .stat-card .stat-value {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-card .stat-value .accent {
            color: var(--color-accent);
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }

        .stat-card .stat-change {
            font-size: 13px;
            font-weight: 600;
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
        }

        .stat-change.up {
            background: #e7f7ee;
            color: #1e8f4e;
        }

        .stat-change.down {
            background: #fdeaea;
            color: #c0392b;
        }

        .stat-change.flat {
            background: var(--color-surface-alt);
            color: var(--color-text-muted);
        }

        /* Insight list */
        .insight-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .insight-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
        }

        .insight-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
            transform: translateY(-2px);
        }

        .insight-item .insight-image {
            flex-shrink: 0;
            width: 100px;
            height: 72px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-surface-alt);
        }

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

        .insight-item .insight-image-placeholder {
            width: 100%;
            height: 100%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            font-weight: 700;
        }

        .insight-item .insight-content {
            flex: 1;
            min-width: 0;
        }

        .insight-item .insight-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .insight-item .insight-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(255, 107, 53, 0.1);
            color: var(--color-accent);
        }

        .insight-item .insight-date {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .insight-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .insight-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .insight-item .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }

        .insight-item .read-more:hover {
            color: var(--color-accent-hover);
            gap: 8px;
        }

        /* Hot ranking */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .ranking-item:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-sm);
        }

        .ranking-item .rank-number {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            width: 40px;
            height: 40px;
            background: var(--color-surface-alt);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-primary);
        }

        .ranking-item.top .rank-number {
            background: var(--color-accent);
            color: #fff;
        }

        .ranking-item .rank-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-item .rank-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
        }

        .ranking-item .rank-sub {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .ranking-item .rank-value {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-accent);
            white-space: nowrap;
        }

        /* Editor picks */
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .editor-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
        }

        .editor-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
            transform: translateY(-2px);
        }

        .editor-card .editor-image {
            height: 160px;
            background: var(--color-surface-alt);
            overflow: hidden;
        }

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

        .editor-card .editor-image-placeholder {
            width: 100%;
            height: 100%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -0.03em;
        }

        .editor-card .editor-body {
            padding: 18px;
        }

        .editor-card .editor-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--color-surface-alt);
            color: var(--color-text-secondary);
            display: inline-block;
            margin-bottom: 8px;
        }

        .editor-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .editor-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.55;
        }

        /* Trend section */
        .trend-section {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            color: #fff;
        }

        .trend-section h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: #fff;
        }

        .trend-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .trend-bars {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .trend-bar {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .trend-bar .bar-label {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            width: 110px;
            flex-shrink: 0;
        }

        .trend-bar .bar-track {
            flex: 1;
            height: 10px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }

        .trend-bar .bar-fill {
            height: 100%;
            border-radius: var(--radius-pill);
            background: var(--color-accent);
            transition: width 0.6s ease;
        }

        .trend-bar .bar-value {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            width: 38px;
            text-align: right;
            flex-shrink: 0;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .subscribe-cta h2 {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .subscribe-cta p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            padding: 12px 18px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            background: var(--color-surface-alt);
            font-size: 14px;
            color: var(--color-text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
            outline: none;
        }

        .subscribe-form input::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-form button {
            padding: 12px 24px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }

        .subscribe-form button:active {
            transform: translateY(0);
        }

        /* Section titles */
        .section-title {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-header-row .view-all {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }

        .section-header-row .view-all:hover {
            color: var(--color-accent-hover);
            gap: 8px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-sm);
        }

        .faq-item details summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
        }

        .faq-item details summary::-webkit-details-marker {
            display: none;
        }

        .faq-item details summary::after {
            content: '+';
            font-size: 20px;
            font-weight: 300;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item details[open] summary::after {
            content: '−';
            font-size: 20px;
            color: var(--color-accent);
        }

        .faq-item details .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: 48px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

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

        .footer-links .separator {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-row-1 {
                flex-wrap: wrap;
                height: auto;
                padding: 10px 0;
            }

            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
            }

            .header-actions {
                margin-left: auto;
            }

            .category-page-header h1 {
                font-size: 28px;
            }

            .insight-item {
                flex-direction: column;
            }

            .insight-item .insight-image {
                width: 100%;
                height: 140px;
            }

            .editor-grid {
                grid-template-columns: 1fr;
            }

            .trend-section {
                padding: 24px 20px;
            }

            .trend-bar .bar-label {
                width: 80px;
                font-size: 12px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form button {
                width: 100%;
            }

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

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

            .stat-card .stat-value {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-row-2 {
                position: sticky;
                top: 0;
            }

            .tabs-nav a {
                padding: 7px 14px;
                font-size: 13px;
            }

            .category-page-header h1 {
                font-size: 24px;
            }

            .category-page-header p {
                font-size: 15px;
            }

            .stat-grid {
                grid-template-columns: 1fr;
            }

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

            .insight-item {
                padding: 14px;
            }

            .ranking-item .rank-value {
                font-size: 17px;
            }

            .section-title {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1d23;
            --color-primary-soft: #23262e;
            --color-accent: #ff6b35;
            --color-accent-hover: #e85a2b;
            --color-bg: #f6f6f4;
            --color-surface: #ffffff;
            --color-surface-alt: #f0efeb;
            --color-text: #1a1d23;
            --color-text-secondary: #4d5158;
            --color-text-muted: #6f747d;
            --color-border: #e5e5e0;
            --color-border-strong: #d0d0c8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.11);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

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

        input {
            outline: none;
            border: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }
        .section-padding-lg {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }

        /* Header */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
        }
        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -0.03em;
        }
        .logo:hover {
            color: var(--color-accent);
        }
        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 0 16px;
            height: 40px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .header-search:focus-within {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }
        .header-search svg {
            width: 16px;
            height: 16px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0 10px;
            font-size: 14px;
            color: var(--color-text);
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--color-text-muted);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }
        .header-cta:active {
            transform: translateY(0);
        }
        .search-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: none;
            align-items: center;
            justify-content: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }
        .search-icon-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .menu-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: none;
            align-items: center;
            justify-content: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .menu-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .header-row-2 {
            border-top: 1px solid var(--color-border);
            background: var(--color-surface);
            height: 48px;
            display: flex;
            align-items: center;
        }
        .tabs-nav {
            display: flex;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            height: 100%;
            align-items: center;
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .tabs-nav::-webkit-scrollbar {
            display: none;
        }
        .tabs-nav a {
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .tabs-nav a:hover {
            background: var(--color-surface-alt);
            color: var(--color-text);
        }
        .tabs-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: var(--color-border-strong);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 600;
        }

        /* Category Page Header */
        .category-header {
            padding: var(--spacing-lg) 0 var(--spacing-md);
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
        }
        .category-header h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .category-header .lead {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 760px;
            line-height: 1.7;
        }
        .category-header .meta-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .category-header .meta-tag {
            font-size: 12px;
            padding: 4px 12px;
            background: var(--color-surface-alt);
            border-radius: var(--radius-pill);
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
        }

        /* Schedule List */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
        }
        .schedule-item {
            display: flex;
            align-items: stretch;
            gap: 20px;
            padding: 20px 24px;
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-fast), border-color var(--transition-fast);
            position: relative;
        }
        .schedule-item:last-child {
            border-bottom: none;
        }
        .schedule-item:hover {
            background: #fafaf8;
        }
        .schedule-date {
            flex-shrink: 0;
            width: 72px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: var(--color-surface-alt);
            border-radius: var(--radius-md);
            padding: 10px 8px;
            min-height: 60px;
        }
        .schedule-date .month {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .schedule-date .day {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.1;
        }
        .schedule-info {
            flex: 1;
            min-width: 0;
        }
        .schedule-info .tag-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }
        .schedule-info .game-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            background: var(--color-primary-soft);
            color: #fff;
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
        }
        .schedule-info .status-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
        }
        .status-tag.live {
            background: #fff0eb;
            color: var(--color-accent);
            border: 1px solid rgba(255, 107, 53, 0.3);
        }
        .status-tag.upcoming {
            background: #eef7ee;
            color: #2e7d32;
            border: 1px solid #c8e6c9;
        }
        .status-tag.finished {
            background: #f0f0f0;
            color: var(--color-text-muted);
            border: 1px solid var(--color-border);
        }
        .schedule-info h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .schedule-info .desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .schedule-action {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }
        .schedule-action .btn-outline-sm {
            font-size: 13px;
            font-weight: 500;
            padding: 8px 16px;
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-pill);
            color: var(--color-text-secondary);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .schedule-action .btn-outline-sm:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: #fff8f5;
        }

        /* Section heading */
        .section-heading {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.015em;
            color: var(--color-text);
            line-height: 1.3;
        }
        .section-heading .sub {
            font-size: 14px;
            color: var(--color-text-muted);
            font-weight: 400;
        }
        .section-heading .more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .section-heading .more-link:hover {
            color: var(--color-accent-hover);
        }

        /* Featured cards */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .featured-card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-surface-alt);
        }
        .featured-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .card-img img {
            transform: scale(1.04);
        }
        .featured-card .card-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .featured-card .card-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--color-accent);
            background: #fff0eb;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            align-self: flex-start;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .featured-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .featured-card .card-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            font-size: 12px;
            color: var(--color-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }

        /* Data strip */
        .data-strip {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
        }
        .data-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-block {
            text-align: center;
        }
        .data-block .number {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .data-block .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* CTA strip */
        .cta-strip {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-xs);
        }
        .cta-strip .cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .cta-strip .cta-text p {
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .cta-button {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .cta-button:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }
        .cta-button:active {
            transform: translateY(0);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-strong);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-surface-alt);
            color: var(--color-text-muted);
            font-size: 18px;
            font-weight: 700;
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-question .icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 20px;
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 24px;
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-links .separator {
            color: rgba(255, 255, 255, 0.2);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-search {
                display: none;
            }
            .search-icon-btn {
                display: flex;
            }
            .menu-btn {
                display: flex;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .category-header .lead {
                font-size: 15px;
            }
            .schedule-item {
                padding: 16px;
                gap: 12px;
                flex-wrap: wrap;
            }
            .schedule-date {
                width: 60px;
                min-height: 52px;
            }
            .schedule-date .day {
                font-size: 22px;
            }
            .schedule-action {
                width: 100%;
                justify-content: flex-end;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                padding: 24px 20px;
            }
            .data-block .number {
                font-size: 30px;
            }
            .cta-strip {
                padding: 24px 20px;
                flex-direction: column;
                text-align: center;
            }
            .section-heading h2 {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-padding {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }
        }
        @media (max-width: 520px) {
            .header-row-1 {
                height: 56px;
                gap: 8px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .header-cta {
                padding: 7px 14px;
                font-size: 12px;
            }
            .header-row-2 {
                height: 44px;
            }
            .tabs-nav a {
                padding: 6px 12px;
                font-size: 13px;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .schedule-item {
                padding: 14px 12px;
            }
            .schedule-date {
                width: 52px;
                min-height: 46px;
                padding: 6px 4px;
            }
            .schedule-date .day {
                font-size: 20px;
            }
            .schedule-date .month {
                font-size: 11px;
            }
            .schedule-info h3 {
                font-size: 14px;
            }
            .schedule-info .desc {
                font-size: 12px;
            }
            .data-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-block .number {
                font-size: 26px;
            }
            .data-block .label {
                font-size: 12px;
            }
            .cta-button {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category3 */
/* ========================================
           一竞技 - 战术攻略分类页
           设计系统：极简高端 + 强排版 + 细节动效
           ======================================== */
        :root {
            --color-primary: #1a1d23;
            --color-primary-soft: #23262e;
            --color-accent: #ff6b35;
            --color-accent-hover: #e85a2b;
            --color-accent-soft: rgba(255, 107, 53, 0.08);
            --color-accent-border: rgba(255, 107, 53, 0.25);
            --color-bg: #f6f6f4;
            --color-surface: #ffffff;
            --color-surface-alt: #f0efeb;
            --color-text: #1a1d23;
            --color-text-secondary: #4d5158;
            --color-text-muted: #6f747d;
            --color-border: #e5e5e0;
            --color-border-strong: #d0d0c8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.11);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, monospace;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

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

        input {
            outline: none;
        }

        /* 容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 板块间距 */
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }
        .section-padding-lg {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }
        .section-padding-xs {
            padding-top: var(--spacing-md);
            padding-bottom: var(--spacing-md);
        }

        /* ============ 头部导航 ============ */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
        }

        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--color-accent);
        }

        .header-search-wrap {
            flex: 1;
            max-width: 300px;
            display: flex;
            align-items: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 0 16px;
            height: 40px;
            transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
        }

        .header-search-wrap:focus-within {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .header-search-wrap svg {
            width: 16px;
            height: 16px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .header-search-wrap input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0 10px;
            font-size: 14px;
            color: var(--color-text);
            height: 100%;
            min-width: 0;
        }

        .header-search-wrap input::placeholder {
            color: var(--color-text-muted);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
            display: inline-block;
        }

        .header-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
        }

        .header-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .header-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            transition: background var(--transition-fast), color var(--transition-fast);
            position: relative;
        }

        .header-icon-btn:hover {
            background: var(--color-surface-alt);
            color: var(--color-text);
        }

        .header-icon-btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .header-icon-btn svg {
            width: 20px;
            height: 20px;
        }

        /* 第二行频道导航 */
        .header-row-2 {
            border-top: 1px solid var(--color-border);
            background: var(--color-surface);
        }

        .tabs-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 6px 0;
            height: 46px;
        }

        .tabs-nav::-webkit-scrollbar {
            display: none;
        }

        .tabs-nav a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: background var(--transition-fast), color var(--transition-fast);
            position: relative;
            flex-shrink: 0;
            min-height: 34px;
        }

        .tabs-nav a:hover {
            background: var(--color-surface-alt);
            color: var(--color-text);
        }

        .tabs-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .tabs-nav a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-wrap {
            padding: 18px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-border-strong);
            font-size: 12px;
            user-select: none;
        }

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

        /* ============ 分类页头（文档帮助中心风格） ============ */
        .category-hero {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-lg) 0;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 30% 20%, rgba(255, 107, 53, 0.04) 0%, transparent 50%),
                              radial-gradient(circle at 80% 70%, rgba(26, 29, 35, 0.03) 0%, transparent 55%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero-content {
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--color-accent-border);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.025em;
            line-height: 1.15;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .category-hero h1 .hl-accent {
            color: var(--color-accent);
        }

        .category-hero-description {
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin: 0 auto 28px;
        }

        /* 搜索框 - 文档中心风格 */
        .hero-doc-search {
            max-width: 560px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            background: #fff;
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-md);
            padding: 0 18px;
            height: 52px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .hero-doc-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1), var(--shadow-md);
        }

        .hero-doc-search svg {
            width: 18px;
            height: 18px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .hero-doc-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0 12px;
            font-size: 15px;
            color: var(--color-text);
            height: 100%;
            min-width: 0;
        }

        .hero-doc-search input::placeholder {
            color: var(--color-text-muted);
        }

        .hero-doc-search .search-kbd {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--color-text-muted);
            background: var(--color-surface-alt);
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid var(--color-border);
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        /* 热门话题 chips */
        .hero-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-top: 4px;
        }

        .hero-chips .chip-label {
            font-size: 13px;
            color: var(--color-text-muted);
            align-self: center;
            margin-right: 4px;
        }

        .hero-chips a {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 13px;
            color: var(--color-text-secondary);
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hero-chips a:hover {
            background: var(--color-accent-soft);
            border-color: var(--color-accent-border);
            color: var(--color-accent);
            transform: translateY(-1px);
        }

        .hero-chips a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ============ 板块标题通用 ============ */
        .section-heading {
            margin-bottom: var(--spacing-md);
        }

        .section-heading .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--color-text);
        }

        .section-heading .section-sub {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-top: 8px;
            max-width: 600px;
            line-height: 1.7;
        }

        /* ============ 精选战术卡片 ============ */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .featured-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .featured-card-image {
            position: relative;
            aspect-ratio: 16/9;
            background: var(--color-surface-alt);
            overflow: hidden;
        }

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

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

        .featured-card-image .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.35) 0%, transparent 50%);
            pointer-events: none;
        }

        .featured-card-image .tag-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            z-index: 2;
        }

        .featured-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .featured-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        .featured-card-body p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--color-text-muted);
            flex: 1;
        }

        .featured-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--color-border);
        }

        .featured-card-meta .read-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 13px;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .featured-card-meta .read-link:hover {
            color: var(--color-accent-hover);
        }

        .featured-card-meta .read-link svg {
            width: 14px;
            height: 14px;
            transition: transform var(--transition-fast);
        }

        .featured-card-meta .read-link:hover svg {
            transform: translateX(2px);
        }

        /* ============ 战术攻略清单（混合布局） ============ */
        .tactics-list-container {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xs);
            overflow: hidden;
        }

        .tactics-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            border-bottom: 1px solid var(--color-border);
            background: var(--color-surface-alt);
            flex-wrap: wrap;
            gap: 12px;
        }

        .tactics-list-header .list-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
        }

        .tactics-list-header .list-count {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 400;
        }

        .tactics-list-header .more-link {
            font-size: 14px;
            color: var(--color-accent);
            font-weight: 600;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .tactics-list-header .more-link:hover {
            color: var(--color-accent-hover);
        }

        .tactics-list-header .more-link svg {
            width: 14px;
            height: 14px;
        }

        .tactics-list-items {
            padding: 8px 24px;
        }

        .tactics-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-fast);
            border-radius: var(--radius-sm);
            margin: 0 -8px;
            padding-left: 8px;
            padding-right: 8px;
        }

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

        .tactics-item:hover {
            background: var(--color-surface-alt);
        }

        .tactics-item-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
        }

        .tactics-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .tactics-item-body {
            flex: 1;
            min-width: 0;
        }

        .tactics-item-top {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }

        .tactics-item-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            background: var(--color-accent-soft);
            color: var(--color-accent);
            border: 1px solid var(--color-accent-border);
            flex-shrink: 0;
        }

        .tactics-item-tag.secondary {
            background: var(--color-surface-alt);
            color: var(--color-text-secondary);
            border-color: var(--color-border);
        }

        .tactics-item-date {
            font-size: 13px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .tactics-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 4px;
            letter-spacing: -0.01em;
        }

        .tactics-item-excerpt {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ============ 热门排行 ============ */
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }

        .ranking-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            cursor: default;
            position: relative;
        }

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

        .ranking-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.04em;
            color: var(--color-border-strong);
            line-height: 1;
            margin-bottom: 8px;
        }

        .ranking-card:nth-child(1) .ranking-number {
            color: var(--color-accent);
        }

        .ranking-card:nth-child(2) .ranking-number {
            color: var(--color-text);
        }

        .ranking-card:nth-child(3) .ranking-number {
            color: var(--color-text-secondary);
        }

        .ranking-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.35;
        }

        .ranking-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-item.open {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            transition: background var(--transition-fast);
            user-select: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: var(--color-surface-alt);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }

        .faq-question .question-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            flex: 1;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition-fast), transform var(--transition-base);
            color: var(--color-text-muted);
        }

        .faq-question .faq-icon svg {
            width: 14px;
            height: 14px;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }

        .faq-item.open .faq-icon svg {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 20px;
            background: var(--color-surface);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
        }

        /* ============ CTA 区域 ============ */
        .cta-section {
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 30%, rgba(255, 107, 53, 0.15) 0%, transparent 45%),
                        radial-gradient(circle at 85% 70%, rgba(255, 107, 53, 0.08) 0%, transparent 40%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-content {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            height: 48px;
            padding: 0 18px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 14px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
        }

        .cta-form .btn-submit {
            height: 48px;
            padding: 0 28px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-md);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .cta-form .btn-submit:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }

        .cta-form .btn-submit:active {
            transform: translateY(0);
        }

        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 16px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.72);
            padding-top: var(--spacing-xl);
            padding-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: var(--spacing-lg);
        }

        .footer-brand-name {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition-fast), transform var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
            transform: translateX(2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

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

        .footer-links .separator {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ranking-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-padding {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }
            .section-padding-lg {
                padding-top: var(--spacing-xl);
                padding-bottom: var(--spacing-xl);
            }
            .header-search-wrap {
                display: none;
            }
            .header-row-1 {
                height: 56px;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .category-hero {
                padding: var(--spacing-md) 0;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero-description {
                font-size: 14px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tactics-item {
                flex-direction: column;
                gap: 10px;
            }
            .tactics-item-thumb {
                width: 100%;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-content h2 {
                font-size: 24px;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .hero-doc-search {
                height: 44px;
                padding: 0 14px;
            }
            .hero-doc-search .search-kbd {
                display: none;
            }
            .hero-chips a {
                padding: 5px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .header-row-1 {
                gap: 8px;
            }
            .logo {
                font-size: 19px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .header-cta {
                padding: 7px 14px;
                font-size: 12px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .featured-grid {
                gap: 14px;
            }
            .tactics-list-header {
                padding: 14px 16px;
                flex-direction: column;
                align-items: flex-start;
            }
            .tactics-list-items {
                padding: 4px 16px;
            }
            .tactics-item {
                padding: 14px 0;
            }
            .cta-form {
                flex-direction: column;
                gap: 8px;
            }
            .cta-form input,
            .cta-form .btn-submit {
                width: 100%;
                min-width: 0;
            }
            .section-padding {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }
            .breadcrumb-wrap {
                padding: 12px 0 0;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 5px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a1d23;
            --color-primary-soft: #23262e;
            --color-accent: #ff6b35;
            --color-accent-hover: #e85a2b;
            --color-bg: #f6f6f4;
            --color-surface: #ffffff;
            --color-surface-alt: #f0efeb;
            --color-text: #1a1d23;
            --color-text-secondary: #4d5158;
            --color-text-muted: #6f747d;
            --color-border: #e5e5e0;
            --color-border-strong: #d0d0c8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.11);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }
        .section-padding-lg {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }

        /* Header / Navigation */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
        }
        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -0.03em;
        }
        .logo:hover {
            color: var(--color-accent);
        }
        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 0 16px;
            height: 40px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .header-search:focus-within {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }
        .header-search svg {
            width: 16px;
            height: 16px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0 10px;
            font-size: 14px;
            color: var(--color-text);
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--color-text-muted);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }
        .header-cta:active {
            transform: translateY(0);
        }

        /* Second row navigation */
        .header-row-2 {
            border-top: 1px solid var(--color-border);
            background: var(--color-surface);
        }
        .tabs-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            height: 48px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .tabs-nav::-webkit-scrollbar {
            display: none;
        }
        .tabs-nav a {
            display: inline-flex;
            align-items: center;
            height: 32px;
            padding: 0 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: background var(--transition-fast), color var(--transition-fast);
            flex-shrink: 0;
        }
        .tabs-nav a:hover {
            background: var(--color-surface-alt);
            color: var(--color-text);
        }
        .tabs-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 20px 0 0 0;
            background: var(--color-bg);
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .breadcrumb-wrap nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-wrap a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-wrap .sep {
            color: var(--color-border-strong);
            font-size: 12px;
        }
        .breadcrumb-wrap .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* Category page header */
        .page-header-alt {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 40px 0 36px;
            position: relative;
        }
        .page-header-alt::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent) 0%, rgba(255, 107, 53, 0.15) 60%, transparent 100%);
        }
        .page-header-alt h1 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .page-header-alt .subhead {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 760px;
            line-height: 1.7;
        }
        .page-header-alt .meta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .page-header-alt .meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .page-header-alt .meta-badge.hot {
            background: rgba(255, 107, 53, 0.08);
            border-color: rgba(255, 107, 53, 0.25);
            color: var(--color-accent);
            font-weight: 600;
        }

        /* Team list main section */
        .team-list-section {
            background: var(--color-bg);
            padding: 48px 0 32px;
        }
        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-title-row h2 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            line-height: 1.3;
        }
        .section-title-row .section-sub {
            font-size: 14px;
            color: var(--color-text-muted);
            max-width: 420px;
        }
        .team-card-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .team-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: grid;
            grid-template-columns: 160px 1fr auto;
            gap: 20px;
            padding: 20px 24px 20px 20px;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            align-items: center;
        }
        .team-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
        }
        .team-card-img {
            width: 160px;
            height: 100px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-surface-alt);
            flex-shrink: 0;
        }
        .team-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .team-card-body {
            min-width: 0;
        }
        .team-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .team-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
            background: var(--color-surface-alt);
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
        }
        .team-tag.accent {
            background: rgba(255, 107, 53, 0.08);
            border-color: rgba(255, 107, 53, 0.25);
            color: var(--color-accent);
        }
        .team-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .team-card-body .team-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .team-card-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .team-card-right {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 12px;
            flex-shrink: 0;
        }
        .team-card-score {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-primary);
            line-height: 1;
        }
        .team-card-score span {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-text-muted);
            display: block;
            margin-top: 4px;
            letter-spacing: 0;
        }
        .btn-read-more-sm {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
            padding: 8px 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .btn-read-more-sm:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
        }

        /* Ranking section */
        .ranking-section {
            background: var(--color-surface-alt);
            padding: 48px 0;
        }
        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .ranking-panel {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .ranking-panel h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ranking-panel h3 .icon-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }
        .ranking-list {
            display: flex;
            flex-direction: column;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 14px;
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item .rank {
            width: 28px;
            height: 28px;
            border-radius: var(--radius-sm);
            background: var(--color-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            color: var(--color-text-secondary);
            flex-shrink: 0;
        }
        .ranking-item .rank.top {
            background: rgba(255, 107, 53, 0.12);
            color: var(--color-accent);
        }
        .ranking-item .name {
            font-weight: 600;
            color: var(--color-text);
            flex: 1;
            min-width: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-item .val {
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
        }
        .ranking-item .change-up {
            color: #16a34a;
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .ranking-item .change-down {
            color: #dc2626;
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
        }

        /* Editor's pick */
        .editor-pick {
            background: var(--color-bg);
            padding: 48px 0;
        }
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .editor-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .editor-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
        }
        .editor-card-img {
            height: 160px;
            overflow: hidden;
            background: var(--color-surface-alt);
        }
        .editor-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .editor-card:hover .editor-card-img img {
            transform: scale(1.03);
        }
        .editor-card-body {
            padding: 20px;
        }
        .editor-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 8px;
            display: block;
        }
        .editor-card-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .editor-card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .editor-card-body .date {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 10px;
            display: block;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-surface-alt);
            padding: 48px 0 56px;
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-strong);
        }
        .faq-item.open {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.08);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            transition: color var(--transition-fast);
            gap: 12px;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-muted);
            transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* Subscribe CTA */
        .subscribe-section {
            background: var(--color-primary);
            padding: 48px 0;
        }
        .subscribe-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .subscribe-text h3 {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }
        .subscribe-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 480px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            min-width: 260px;
            height: 48px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            padding: 0 16px;
            font-size: 14px;
            color: #fff;
            transition: border-color var(--transition-fast), background var(--transition-fast);
            outline: none;
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .subscribe-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.12);
        }
        .subscribe-form button {
            height: 48px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }
        .subscribe-form button:active {
            transform: translateY(0);
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-soft);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0 24px;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-links .separator {
            color: rgba(255, 255, 255, 0.25);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .editor-grid {
                grid-template-columns: 1fr 1fr;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .team-card {
                grid-template-columns: 120px 1fr;
                gap: 16px;
                padding: 16px;
            }
            .team-card-img {
                width: 120px;
                height: 80px;
            }
            .team-card-right {
                grid-column: 2;
                flex-direction: row;
                align-items: center;
                justify-content: flex-start;
                gap: 16px;
            }
            .team-card-score {
                font-size: 22px;
            }
        }
        @media (max-width: 768px) {
            .header-row-1 {
                height: 56px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .header-search {
                max-width: 180px;
                height: 36px;
                padding: 0 12px;
            }
            .header-search input {
                font-size: 13px;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .header-row-2 {
                height: 44px;
            }
            .tabs-nav {
                height: 44px;
            }
            .tabs-nav a {
                font-size: 13px;
                padding: 0 12px;
                height: 28px;
            }
            .page-header-alt {
                padding: 28px 0 24px;
            }
            .page-header-alt h1 {
                font-size: 26px;
            }
            .page-header-alt .subhead {
                font-size: 14px;
            }
            .section-title-row h2 {
                font-size: 22px;
            }
            .team-card {
                grid-template-columns: 1fr;
                padding: 16px;
            }
            .team-card-img {
                width: 100%;
                height: 140px;
            }
            .team-card-right {
                grid-column: 1;
                flex-direction: row;
                justify-content: flex-start;
                gap: 16px;
            }
            .editor-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                width: 100%;
            }
            .subscribe-form input {
                min-width: 0;
                flex: 1;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .header-search {
                display: none;
            }
            .page-header-alt h1 {
                font-size: 22px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form button {
                width: 100%;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a1d23;
            --color-primary-soft: #23262e;
            --color-accent: #ff6b35;
            --color-accent-hover: #e85a2b;
            --color-bg: #f6f6f4;
            --color-surface: #ffffff;
            --color-surface-alt: #f0efeb;
            --color-text: #1a1d23;
            --color-text-secondary: #4d5158;
            --color-text-muted: #6f747d;
            --color-border: #e5e5e0;
            --color-border-strong: #d0d0c8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.11);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

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

        input {
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }

        .section-padding-lg {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }

        /* Header / Navigation */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
        }

        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -0.03em;
        }

        .logo:hover {
            color: var(--color-accent);
        }

        .header-search {
            flex: 1;
            max-width: 300px;
            display: flex;
            align-items: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 0 16px;
            height: 40px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .header-search:focus-within {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .header-search svg {
            width: 16px;
            height: 16px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0 10px;
            font-size: 14px;
            color: var(--color-text);
            height: 100%;
        }

        .header-search input::placeholder {
            color: var(--color-text-muted);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }

        .header-cta:active {
            transform: translateY(0);
        }

        .header-row-2 {
            border-top: 1px solid var(--color-border);
            background: var(--color-surface);
        }

        .tabs-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 8px 0;
            min-height: 48px;
        }

        .tabs-nav::-webkit-scrollbar {
            display: none;
        }

        .tabs-nav a {
            flex-shrink: 0;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: var(--color-surface-alt);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .tabs-nav a:hover {
            color: var(--color-text);
            background: var(--color-border);
        }

        .tabs-nav a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            padding: 16px 0 0;
        }

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

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

        .breadcrumb .separator {
            color: var(--color-border-strong);
            user-select: none;
        }

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

        /* Category Page Header */
        .category-header {
            padding: 24px 0 32px;
            border-bottom: 1px solid var(--color-border);
        }

        .category-header h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--color-text);
            margin: 8px 0 12px;
        }

        .category-header .lead {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }

        .filter-tag {
            font-size: 13px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }

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

        .filter-tag.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            font-weight: 500;
        }

        /* Video Card Grid */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .video-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .video-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .video-card .thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-surface-alt);
        }

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

        .video-card:hover .thumb img {
            transform: scale(1.03);
        }

        .video-card .thumb .duration {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(26, 29, 35, 0.85);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
        }

        .video-card .thumb .play-badge {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 44px;
            height: 44px;
            background: rgba(255, 107, 53, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            transition: all var(--transition-fast);
        }

        .video-card:hover .thumb .play-badge {
            background: var(--color-accent);
            transform: translate(-50%, -50%) scale(1.08);
        }

        .play-badge svg {
            width: 18px;
            height: 18px;
            margin-left: 2px;
        }

        .video-card .card-body {
            padding: 16px 16px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .video-card .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .video-card .card-tag {
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: var(--color-surface-alt);
            color: var(--color-text-secondary);
        }

        .video-card .card-tag.hot {
            background: rgba(255, 107, 53, 0.12);
            color: var(--color-accent);
        }

        .video-card .card-date {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .video-card h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .video-card:hover h3 {
            color: var(--color-accent);
        }

        .video-card .card-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .video-card .card-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .video-card .view-count {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .video-card .view-count svg {
            width: 14px;
            height: 14px;
        }

        .link-arrow {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast), gap var(--transition-fast);
            white-space: nowrap;
        }

        .link-arrow:hover {
            color: var(--color-accent);
            gap: 8px;
        }

        /* Section Title */
        .section-title {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
        }

        .section-title h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--color-text);
        }

        .section-title .sub {
            font-size: 14px;
            color: var(--color-text-muted);
            max-width: 480px;
            line-height: 1.5;
        }

        /* Hot Ranking List */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: all var(--transition-base);
        }

        .ranking-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .ranking-number {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-border-strong);
            min-width: 36px;
            text-align: center;
            letter-spacing: -0.03em;
        }

        .ranking-item:nth-child(1) .ranking-number {
            color: var(--color-accent);
        }

        .ranking-item:nth-child(2) .ranking-number {
            color: #e8894a;
        }

        .ranking-item:nth-child(3) .ranking-number {
            color: #d4a944;
        }

        .ranking-info {
            flex: 1;
        }

        .ranking-info h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .ranking-info .meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .rank-views {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            white-space: nowrap;
        }

        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
        }

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

        .topic-card .topic-thumb {
            aspect-ratio: 16 / 7;
            overflow: hidden;
            background: var(--color-surface-alt);
        }

        .topic-card .topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .topic-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .topic-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* Stats Block */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-primary);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            background: var(--color-primary-soft);
            transform: translateY(-2px);
        }

        .stat-card .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        .stat-card .stat-accent {
            color: var(--color-accent);
        }

        /* Editorial Section */
        .editorial-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .editorial-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .editorial-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .editorial-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 10;
            background: var(--color-surface-alt);
        }

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

        /* CTA Banner */
        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-banner h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .cta-banner p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 480px;
            line-height: 1.6;
        }

        .cta-btn {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.35);
        }

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

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 18px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            transition: all var(--transition-fast);
            background: none;
            width: 100%;
            text-align: left;
            min-height: 56px;
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 18px;
            border-top: none;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
            border-top: 1px solid var(--color-border);
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding-top: 12px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            margin-top: var(--spacing-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
        }

        .footer-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

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

        .footer-links .separator {
            color: rgba(255, 255, 255, 0.3);
            user-select: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .topic-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .header-row-1 {
                height: 56px;
            }

            .header-search {
                display: none;
            }

            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }

            .logo {
                font-size: 19px;
            }

            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            .category-header h1 {
                font-size: 26px;
            }

            .category-header .lead {
                font-size: 14px;
            }

            .video-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .section-title {
                flex-direction: column;
                gap: 8px;
                margin-bottom: 18px;
            }

            .section-title h2 {
                font-size: 21px;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card .stat-number {
                font-size: 26px;
            }

            .editorial-wrap {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .cta-banner {
                padding: 28px 22px;
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
            }

            .cta-banner h3 {
                font-size: 19px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: var(--spacing-lg) 0;
            }

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

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

            .ranking-number {
                font-size: 18px;
                min-width: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section-padding {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }

            .section-padding-sm {
                padding-top: var(--spacing-md);
                padding-bottom: var(--spacing-md);
            }

            .category-header {
                padding: 16px 0 24px;
            }

            .category-header h1 {
                font-size: 22px;
            }

            .filter-tags {
                gap: 6px;
            }

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

            .video-card .card-body {
                padding: 12px 12px 14px;
            }

            .video-card h3 {
                font-size: 15px;
            }

            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 18px 16px;
            }

            .topic-card .topic-body {
                padding: 12px 14px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 14px;
                min-height: 50px;
            }

            .tabs-nav {
                padding: 6px 0;
                min-height: 44px;
            }

            .tabs-nav a {
                font-size: 13px;
                padding: 6px 14px;
            }
        }

/* roulang page: category6 */
:root {
      --color-primary: #1a1d23;
      --color-primary-soft: #23262e;
      --color-accent: #ff6b35;
      --color-accent-hover: #e85a2b;
      --color-bg: #f6f6f4;
      --color-surface: #ffffff;
      --color-surface-alt: #f0efeb;
      --color-text: #1a1d23;
      --color-text-secondary: #4d5158;
      --color-text-muted: #6f747d;
      --color-border: #e5e5e0;
      --color-border-strong: #d0d0c8;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-pill: 999px;
      --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
      --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
      --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.11);
      --spacing-xs: 8px;
      --spacing-sm: 16px;
      --spacing-md: 32px;
      --spacing-lg: 48px;
      --spacing-xl: 64px;
      --spacing-2xl: 96px;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      --transition-fast: 0.15s ease;
      --transition-base: 0.25s ease;
      --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.65;
      color: var(--color-text);
      background-color: var(--color-bg);
      overflow-x: hidden;
      margin: 0;
    }

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

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

    button,
    input {
      font-family: inherit;
      font-size: inherit;
    }

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

    input {
      outline: none;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section-padding {
      padding-top: var(--spacing-xl);
      padding-bottom: var(--spacing-xl);
    }

    .section-padding-sm {
      padding-top: var(--spacing-lg);
      padding-bottom: var(--spacing-lg);
    }

    .section-padding-lg {
      padding-top: var(--spacing-2xl);
      padding-bottom: var(--spacing-2xl);
    }

    .section-heading {
      font-size: 24px;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--color-text);
      margin-bottom: var(--spacing-sm);
      line-height: 1.25;
    }

    .section-subheading {
      font-size: 15px;
      color: var(--color-text-secondary);
      margin-bottom: var(--spacing-md);
      max-width: 720px;
      line-height: 1.7;
    }

    .section-alt {
      background-color: var(--color-surface-alt);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      background: var(--color-surface-alt);
      color: var(--color-text-secondary);
      font-size: 13px;
      font-weight: 600;
      line-height: 1.4;
      border: 1px solid var(--color-border);
    }

    .badge-accent {
      background: #fff1ec;
      color: var(--color-accent-hover);
      border-color: #ffd9cd;
    }

    .btn-primary {
      background: var(--color-accent);
      color: #fff;
      font-weight: 600;
      padding: 10px 24px;
      border-radius: var(--radius-pill);
      transition: background var(--transition-fast), transform var(--transition-fast);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      white-space: nowrap;
    }

    .btn-primary:hover {
      background: var(--color-accent-hover);
      transform: translateY(-1px);
    }

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

    .btn-secondary {
      background: transparent;
      color: var(--color-text);
      border: 1px solid var(--color-border-strong);
      padding: 10px 24px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      transition: border-color var(--transition-fast), color var(--transition-fast);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-secondary:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
    }

    .btn-secondary:focus-visible,
    .btn-primary:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

    /* Header / Navigation */
    .site-header {
      background: var(--color-surface);
      border-bottom: 1px solid var(--color-border);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: var(--shadow-xs);
    }

    .header-row-1 {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
      gap: 16px;
    }

    .logo {
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--color-text);
      display: flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap;
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      background: var(--color-accent);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 18px;
      letter-spacing: -0.03em;
    }

    .logo:hover {
      color: var(--color-accent);
    }

    .header-search {
      flex: 1;
      max-width: 320px;
      display: flex;
      align-items: center;
      background: var(--color-surface-alt);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-pill);
      padding: 0 16px;
      height: 40px;
      transition: border-color var(--transition-fast), background var(--transition-fast);
    }

    .header-search:focus-within {
      border-color: var(--color-accent);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
    }

    .header-search svg {
      width: 16px;
      height: 16px;
      color: var(--color-text-muted);
      flex-shrink: 0;
    }

    .header-search input {
      flex: 1;
      border: none;
      background: transparent;
      padding: 0 10px;
      font-size: 14px;
      color: var(--color-text);
      height: 100%;
    }

    .header-search input::placeholder {
      color: var(--color-text-muted);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .header-cta {
      background: var(--color-accent);
      color: #fff;
      font-weight: 600;
      font-size: 14px;
      padding: 10px 22px;
      border-radius: var(--radius-pill);
      transition: background var(--transition-fast), transform var(--transition-fast);
      white-space: nowrap;
    }

    .header-cta:hover {
      background: var(--color-accent-hover);
      transform: translateY(-1px);
    }

    .header-cta:active {
      transform: translateY(0);
    }

    .header-menu-icon {
      display: none;
      width: 40px;
      height: 40px;
      background: var(--color-surface-alt);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      align-items: center;
      justify-content: center;
    }

    .header-menu-icon svg {
      width: 20px;
      height: 20px;
      color: var(--color-text);
    }

    .header-row-2 {
      background: var(--color-surface);
      border-top: 1px solid var(--color-border);
      padding: 0 16px;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: thin;
      scrollbar-color: var(--color-border-strong) transparent;
    }

    .header-row-2::-webkit-scrollbar {
      height: 4px;
    }

    .header-row-2::-webkit-scrollbar-thumb {
      background: var(--color-border-strong);
      border-radius: 4px;
    }

    .tabs-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      height: 48px;
      min-width: max-content;
    }

    .tabs-nav a {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      font-size: 14px;
      font-weight: 600;
      color: var(--color-text-secondary);
      background: transparent;
      transition: background var(--transition-fast), color var(--transition-fast);
      white-space: nowrap;
    }

    .tabs-nav a:hover {
      background: var(--color-surface-alt);
      color: var(--color-text);
    }

    .tabs-nav a.active {
      background: var(--color-primary);
      color: #fff;
    }

    /* Category Head */
    .category-head {
      background: var(--color-surface-alt);
      border-bottom: 1px solid var(--color-border);
      padding-top: var(--spacing-md);
      padding-bottom: var(--spacing-md);
    }

    .category-head-inner {
      max-width: 820px;
    }

    .eyebrow {
      text-transform: uppercase;
      letter-spacing: 0.08em;
      font-size: 12px;
      font-weight: 700;
      color: var(--color-accent-hover);
      margin-bottom: 8px;
    }

    .category-head h1 {
      font-size: 34px;
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.2;
      margin: 0 0 8px 0;
      color: var(--color-text);
    }

    .category-lead {
      font-size: 16px;
      color: var(--color-text-secondary);
      line-height: 1.7;
      margin: 0;
    }

    /* Cards */
    .card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
      box-shadow: var(--shadow-xs);
      display: flex;
      flex-direction: column;
    }

    .card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--color-border-strong);
    }

    .card-image {
      aspect-ratio: 16/9;
      background: var(--color-surface-alt);
      overflow: hidden;
      position: relative;
      border-bottom: 1px solid var(--color-border);
    }

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

    .card-body {
      padding: 18px 20px 20px;
      display: flex;
      flex-direction: column;
      flex: 1;
      gap: 10px;
    }

    .card-title {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.35;
      letter-spacing: -0.01em;
      color: var(--color-text);
      margin: 0;
    }

    .card-summary {
      font-size: 14px;
      color: var(--color-text-secondary);
      line-height: 1.6;
      margin: 0;
      flex: 1;
    }

    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-size: 13px;
      color: var(--color-text-muted);
    }

    .card-tag {
      font-size: 12px;
      font-weight: 600;
      padding: 2px 10px;
      border-radius: var(--radius-pill);
      background: var(--color-surface-alt);
      color: var(--color-text-secondary);
    }

    .card-tag-accent {
      background: #fff1ec;
      color: var(--color-accent-hover);
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .list-item {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      gap: 18px;
      align-items: flex-start;
      transition: border-color var(--transition-fast), background var(--transition-fast);
      box-shadow: var(--shadow-xs);
      margin-bottom: 14px;
    }

    .list-item:hover {
      border-color: var(--color-border-strong);
      background: #fffefa;
    }

    .list-number {
      font-size: 22px;
      font-weight: 800;
      color: var(--color-accent);
      line-height: 1;
      flex-shrink: 0;
      width: 32px;
    }

    .list-content {
      flex: 1;
    }

    .list-title {
      font-size: 16px;
      font-weight: 700;
      margin: 0 0 6px 0;
      color: var(--color-text);
    }

    .list-summary {
      font-size: 14px;
      color: var(--color-text-secondary);
      margin: 0 0 10px 0;
      line-height: 1.6;
    }

    .list-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      color: var(--color-text-muted);
    }

    .trend-card {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
      box-shadow: var(--shadow-xs);
    }

    .trend-card:hover {
      border-color: var(--color-border-strong);
      box-shadow: var(--shadow-sm);
    }

    .trend-rank {
      font-size: 13px;
      font-weight: 700;
      color: var(--color-accent-hover);
      margin-bottom: 8px;
      letter-spacing: 0.03em;
    }

    .trend-title {
      font-size: 16px;
      font-weight: 700;
      margin: 0 0 6px 0;
      color: var(--color-text);
    }

    .trend-desc {
      font-size: 14px;
      color: var(--color-text-secondary);
      line-height: 1.6;
      margin: 0;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-cloud span {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-pill);
      padding: 8px 18px;
      font-size: 14px;
      font-weight: 600;
      color: var(--color-text-secondary);
      transition: border-color var(--transition-fast), color var(--transition-fast);
    }

    .tag-cloud span:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
    }

    /* FAQ */
    .faq-section {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-xs);
    }

    .faq-item {
      border-bottom: 1px solid var(--color-border);
      padding: 16px 0;
    }

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

    .faq-question {
      font-weight: 700;
      font-size: 16px;
      margin: 0;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question::after {
      content: '+';
      font-size: 22px;
      font-weight: 400;
      color: var(--color-text-muted);
      transition: transform var(--transition-fast);
    }

    .faq-item[open] .faq-question::after {
      content: '−';
      transform: rotate(180deg);
    }

    .faq-answer {
      font-size: 14px;
      color: var(--color-text-secondary);
      line-height: 1.7;
      margin-top: 12px;
    }

    /* CTA */
    .cta-section {
      background: var(--color-primary);
      color: #fff;
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    .cta-content h2 {
      font-size: 22px;
      font-weight: 700;
      margin: 0 0 8px 0;
      color: #fff;
    }

    .cta-content p {
      font-size: 14px;
      color: #d4d4d8;
      margin: 0;
      max-width: 500px;
    }

    .cta-form {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      min-width: 280px;
    }

    .cta-form input {
      flex: 1;
      min-width: 200px;
      background: #2a2d35;
      border: 1px solid #3f434d;
      border-radius: var(--radius-md);
      padding: 10px 16px;
      color: #fff;
      font-size: 14px;
      transition: border-color var(--transition-fast);
    }

    .cta-form input::placeholder {
      color: #9ca3af;
    }

    .cta-form input:focus {
      border-color: var(--color-accent);
    }

    .cta-form .btn-primary {
      background: var(--color-accent);
      color: #fff;
      border: none;
    }

    .cta-form .btn-primary:hover {
      background: var(--color-accent-hover);
    }

    /* Footer */
    .site-footer {
      background: var(--color-primary);
      color: #cfd0d4;
      padding-top: var(--spacing-lg);
      padding-bottom: 20px;
      margin-top: var(--spacing-lg);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 32px;
      padding-bottom: 28px;
      border-bottom: 1px solid #32343b;
    }

    .footer-brand-name {
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 12px;
      letter-spacing: -0.01em;
    }

    .footer-brand-desc {
      font-size: 14px;
      line-height: 1.7;
      color: #a9adb6;
      margin: 0;
      max-width: 260px;
    }

    .footer-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }

    .footer-col a {
      display: block;
      font-size: 14px;
      color: #a9adb6;
      margin-bottom: 10px;
      transition: color var(--transition-fast);
    }

    .footer-col a:hover {
      color: var(--color-accent);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 20px;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: #9ca3af;
    }

    .footer-links {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-links a {
      color: #d1d5db;
      text-decoration: none;
    }

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

    .separator {
      color: #55575f;
    }

    /* Mobile Responsiveness */
    @media (max-width: 1024px) {
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .site-footer .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
      }
    }

    @media (max-width: 768px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .header-row-1 {
        height: 56px;
      }
      .header-search {
        display: none;
      }
      .header-menu-icon {
        display: flex;
      }
      .header-cta {
        display: none;
      }
      .header-row-2 {
        padding: 0 8px;
      }
      .tabs-nav {
        height: 44px;
      }
      .category-head h1 {
        font-size: 26px;
      }
      .category-lead {
        font-size: 15px;
      }
      .section-heading {
        font-size: 20px;
      }
      .grid-4,
      .grid-3,
      .grid-2 {
        grid-template-columns: 1fr;
      }
      .list-item {
        flex-direction: column;
        gap: 10px;
      }
      .cta-section {
        flex-direction: column;
        align-items: flex-start;
      }
      .cta-form {
        min-width: 100%;
      }
      .cta-form input {
        min-width: 100%;
      }
      .site-footer .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .section-padding {
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
      }
      .section-padding-sm {
        padding-top: var(--spacing-md);
        padding-bottom: var(--spacing-md);
      }
      .category-head h1 {
        font-size: 22px;
      }
      .card-body {
        padding: 14px 16px 16px;
      }
      .badge {
        font-size: 12px;
        padding: 3px 10px;
      }
    }

/* roulang page: category7 */
:root {
            --color-primary: #1a1d23;
            --color-primary-soft: #23262e;
            --color-accent: #ff6b35;
            --color-accent-hover: #e85a2b;
            --color-bg: #f6f6f4;
            --color-surface: #ffffff;
            --color-surface-alt: #f0efeb;
            --color-text: #1a1d23;
            --color-text-secondary: #4d5158;
            --color-text-muted: #6f747d;
            --color-border: #e5e5e0;
            --color-border-strong: #d0d0c8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.11);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }
        .section-padding-lg {
            padding-top: var(--spacing-2xl);
            padding-bottom: var(--spacing-2xl);
        }
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
        }
        .header-row-1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -0.03em;
        }
        .logo:hover {
            color: var(--color-accent);
        }
        .header-search {
            flex: 1;
            max-width: 320px;
            display: flex;
            align-items: center;
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 0 16px;
            height: 40px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .header-search:focus-within {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }
        .header-search svg {
            width: 16px;
            height: 16px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0 10px;
            font-size: 14px;
            color: var(--color-text);
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--color-text-muted);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .header-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .header-cta:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .header-row-2 {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 0;
        }
        .tabs-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 8px 0;
            min-height: 44px;
        }
        .tabs-nav::-webkit-scrollbar {
            display: none;
        }
        .tabs-nav a {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: transparent;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            flex-shrink: 0;
        }
        .tabs-nav a:hover {
            color: var(--color-text);
            background: var(--color-surface-alt);
        }
        .tabs-nav a.active {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
        }
        .tabs-nav a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            padding: 20px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: var(--color-border-strong);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }
        .page-header {
            padding: var(--spacing-md) 0 var(--spacing-sm);
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            line-height: 1.25;
            margin-bottom: 12px;
        }
        .page-header .page-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 760px;
            line-height: 1.7;
        }
        .featured-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-strong);
            transform: translateY(-2px);
        }
        .featured-card-image {
            min-height: 320px;
            background: var(--color-surface-alt);
            position: relative;
            overflow: hidden;
        }
        .featured-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .featured-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(26, 29, 35, 0.35) 100%);
            pointer-events: none;
        }
        .featured-card-content {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 14px;
        }
        .featured-card-content .tag {
            align-self: flex-start;
        }
        .featured-card-content h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }
        .featured-card-content .date {
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .featured-card-content .summary {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .read-more-link {
            align-self: flex-start;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            position: relative;
            padding-bottom: 2px;
            transition: color var(--transition-fast);
        }
        .read-more-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1.5px;
            background: var(--color-accent);
            transition: width var(--transition-base);
        }
        .read-more-link:hover {
            color: var(--color-accent);
        }
        .read-more-link:hover::after {
            width: 100%;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: var(--color-surface-alt);
            color: var(--color-text-secondary);
            letter-spacing: 0.01em;
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .tag-accent {
            background: rgba(255, 107, 53, 0.1);
            color: var(--color-accent);
        }
        .tag:hover {
            background: var(--color-border);
            color: var(--color-text);
        }
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }
        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
        }
        .article-card-image {
            height: 180px;
            background: var(--color-surface-alt);
            position: relative;
            overflow: hidden;
        }
        .article-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .article-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(26, 29, 35, 0.25) 100%);
            pointer-events: none;
        }
        .article-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .article-card-body .meta-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-card-body .date {
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .article-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--color-text);
            letter-spacing: -0.005em;
        }
        .article-card-body .summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            flex: 1;
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
        }
        .stat-item {
            text-align: center;
            padding: 16px 12px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .stat-item:hover {
            background: var(--color-primary-soft);
        }
        .stat-number {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
            line-height: 1.15;
        }
        .stat-number .unit {
            font-size: 18px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
        }
        .ranking-list {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-xs);
            overflow: hidden;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-fast);
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            background: var(--color-surface-alt);
        }
        .rank-num {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            background: var(--color-surface-alt);
            color: var(--color-text-secondary);
        }
        .rank-num.top {
            background: rgba(255, 107, 53, 0.12);
            color: var(--color-accent);
        }
        .rank-content {
            flex: 1;
            min-width: 0;
        }
        .rank-content .title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
        }
        .rank-content .meta {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 2px;
        }
        .rank-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: var(--color-surface-alt);
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .topic-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }
        .topic-cloud a:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 107, 53, 0.05);
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-xs);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            transition: background var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            background: var(--color-surface-alt);
        }
        .faq-question .q-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--color-text-muted);
            transition: transform var(--transition-base), background var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(255, 107, 53, 0.12);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding-bottom: 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
            align-items: center;
        }
        .cta-section .cta-title {
            font-size: 24px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.01em;
            line-height: 1.35;
        }
        .cta-section .cta-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-top: 8px;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            font-size: 14px;
            color: #fff;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
        }
        .cta-form button {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .cta-form button:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }
        .cta-form button:active {
            transform: translateY(0);
        }
        .section-title {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            max-width: 680px;
        }
        .view-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border-strong);
            background: transparent;
            transition: all var(--transition-fast);
        }
        .view-more-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 107, 53, 0.05);
        }
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: var(--spacing-md);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        .footer-brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }
        .footer-brand-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: var(--spacing-sm) 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-links .separator {
            color: rgba(255, 255, 255, 0.3);
        }
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card-image {
                min-height: 240px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cta-section {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }
        @media (max-width: 768px) {
            .header-row-1 {
                gap: 10px;
            }
            .header-search {
                max-width: 200px;
            }
            .header-cta {
                padding: 10px 16px;
                font-size: 13px;
            }
            .logo {
                font-size: 19px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .article-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-card-content {
                padding: 20px;
            }
            .featured-card-content h2 {
                font-size: 20px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                padding: 16px;
            }
            .stat-number {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .section-title {
                font-size: 22px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .cta-section {
                padding: var(--spacing-md);
            }
            .cta-form input {
                min-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .header-row-1 {
                flex-wrap: wrap;
                height: auto;
                padding: 10px 0;
                gap: 8px;
            }
            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
            }
            .header-actions {
                margin-left: auto;
            }
            .header-cta {
                padding: 8px 14px;
                font-size: 12px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                padding: 12px;
            }
            .stat-number {
                font-size: 24px;
            }
            .stat-label {
                font-size: 11px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .page-header .page-desc {
                font-size: 14px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .featured-card-image {
                min-height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-form button {
                width: 100%;
            }
        }