/* roulang page: index */
:root {
            --primary: #e8485f;
            --primary-dark: #c22e44;
            --primary-light: #ff7b8a;
            --secondary: #ffb347;
            --secondary-light: #ffd08a;
            --accent: #7c4dff;
            --accent-light: #b388ff;
            --bg: #faf7f5;
            --bg-alt: #f3eeea;
            --surface: #ffffff;
            --surface-warm: #fdf9f7;
            --text: #1f1b2e;
            --text-secondary: #5c566e;
            --text-muted: #8a8498;
            --border: #e8e0da;
            --border-strong: #d5cbc3;
            --shadow-sm: 0 1px 3px rgba(31, 27, 46, 0.06);
            --shadow-md: 0 4px 16px rgba(31, 27, 46, 0.08);
            --shadow-lg: 0 12px 40px rgba(31, 27, 46, 0.12);
            --shadow-xl: 0 24px 60px rgba(31, 27, 46, 0.16);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 9999px;
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1200px;
            --gradient-brand: linear-gradient(135deg, #e8485f 0%, #c22e44 40%, #7c4dff 100%);
            --gradient-warm: linear-gradient(135deg, #ffb347 0%, #e8485f 60%, #c22e44 100%);
            --gradient-subtle: linear-gradient(135deg, rgba(232, 72, 95, 0.06) 0%, rgba(124, 77, 255, 0.06) 100%);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.02em;
            color: var(--text);
            white-space: nowrap;
        }

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

        .brand-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .brand-logo span.logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .brand-logo .logo-sub {
            font-size: 0.55rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav a {
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(232, 72, 95, 0.06);
        }

        .main-nav a.active {
            color: var(--primary);
            background: rgba(232, 72, 95, 0.1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-full);
            padding: 0 16px;
            height: 40px;
            width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(232, 72, 95, 0.1);
        }

        .search-box svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
            margin-right: 8px;
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            font-size: 0.88rem;
            color: var(--text);
            width: 100%;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            line-height: 1.4;
            transition: all var(--transition);
            white-space: nowrap;
            text-align: center;
            border: 2px solid transparent;
        }

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

        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 72, 95, 0.3);
        }

        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(232, 72, 95, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 72, 95, 0.25);
        }

        .btn-secondary {
            background: #fff;
            color: var(--text);
            border-color: var(--border-strong);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(232, 72, 95, 0.04);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.82rem;
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1rem;
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg-alt);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .mobile-toggle:hover {
            background: var(--border);
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 27, 46, 0.82) 0%, rgba(31, 27, 46, 0.6) 40%, rgba(232, 72, 95, 0.45) 70%, rgba(124, 77, 255, 0.5) 100%);
        }

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

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ade80;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.3); }
        }

        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.03em;
            color: #fff;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.15rem);
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

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

        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* Countdown bar */
        .countdown-bar {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            padding: 14px 24px;
            display: inline-flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .countdown-bar .label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            font-weight: 500;
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .countdown-timer .unit {
            background: rgba(255, 255, 255, 0.18);
            border-radius: 8px;
            padding: 6px 10px;
            text-align: center;
            min-width: 44px;
        }

        .countdown-timer .unit .num {
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }

        .countdown-timer .unit .lbl {
            font-size: 0.6rem;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .countdown-timer .sep {
            color: rgba(255, 255, 255, 0.6);
            font-weight: 700;
            font-size: 1.1rem;
        }

        /* Sections */
        .section {
            padding: 80px 0;
        }

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

        .section-header {
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(232, 72, 95, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 720px;
        }

        .section-desc.center {
            margin: 0 auto;
            text-align: center;
        }

        .section-header.center {
            text-align: center;
        }

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

        .kpi-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .kpi-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-brand);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .kpi-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-strong);
        }

        .kpi-card:hover::before {
            opacity: 1;
        }

        .kpi-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--gradient-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
        }

        .kpi-value {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: var(--text);
            margin-bottom: 4px;
        }

        .kpi-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Service matrix */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }

        .service-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 8px;
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .service-card .link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .service-card .link:hover {
            color: var(--primary-dark);
        }

        /* Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .comparison-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            border: 1px solid var(--border);
        }

        .comparison-card.featured {
            border-color: var(--primary);
            box-shadow: 0 8px 32px rgba(232, 72, 95, 0.12);
            position: relative;
        }

        .comparison-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--gradient-brand);
            color: #fff;
            padding: 4px 16px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
        }

        .comparison-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
        }

        .comparison-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .comparison-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .comparison-card ul li .icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.7rem;
            margin-top: 2px;
        }

        .comparison-card ul li .icon.check {
            background: #dcfce7;
            color: #16a34a;
        }

        .comparison-card ul li .icon.plus {
            background: #fee2e2;
            color: #dc2626;
        }

        /* Milestone */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 36px 24px;
        }

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

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--surface);
            border: 3px solid var(--primary);
            z-index: 1;
        }

        .timeline-item .time {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 4px;
        }

        .timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* CMS List / News */
        .news-list {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }

        .news-main {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 18px;
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .news-item-thumb {
            width: 100px;
            height: 76px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-alt);
        }

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

        .news-item-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-item-meta {
            display: flex;
            gap: 10px;
            align-items: center;
            font-size: 0.72rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .news-item-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }

        .news-item-title:hover {
            color: var(--primary);
        }

        .news-item-excerpt {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-sidebar .side-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            border: 1px solid var(--border);
        }

        .news-sidebar .side-card h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--bg-alt);
        }

        .news-sidebar .side-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-sidebar .side-list li a {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: block;
            transition: color var(--transition);
        }

        .news-sidebar .side-list li a:hover {
            color: var(--primary);
        }

        .news-empty {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 32px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            border: 1px dashed var(--border-strong);
        }

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

        .guarantee-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .guarantee-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.3rem;
        }

        .guarantee-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .guarantee-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

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

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            gap: 16px;
            transition: color var(--transition);
        }

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

        .faq-question .arrow {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform var(--transition);
            font-size: 0.75rem;
        }

        .faq-item.open .faq-question .arrow {
            transform: rotate(180deg);
            background: rgba(232, 72, 95, 0.1);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* Theme grid */
        .theme-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .theme-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 3/4;
        }

        .theme-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .theme-card:hover img {
            transform: scale(1.06);
        }

        .theme-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(31, 27, 46, 0.85) 0%, rgba(31, 27, 46, 0.2) 40%, transparent 70%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
        }

        .theme-card .tag {
            font-size: 0.68rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 4px;
        }

        .theme-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
        }

        /* Benefit steps */
        .benefit-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .benefit-step {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
            transition: all var(--transition);
        }

        .benefit-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .benefit-step .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1rem;
        }

        .benefit-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .benefit-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* CTA bottom */
        .cta-bottom {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-bottom::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .cta-bottom::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-bottom h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-bottom p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-bottom .hero-actions {
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: #1a1725;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 32px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .brand-logo:hover {
            color: #fff;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-inner {
                height: 64px;
            }
            .search-box {
                width: 160px;
            }
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .theme-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                box-shadow: var(--shadow-md);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 10px;
            }
            .header-actions .search-box {
                display: none;
            }
            .header-actions .btn {
                padding: 10px 18px;
                font-size: 0.82rem;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero {
                min-height: auto;
                padding: 120px 0 60px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .section {
                padding: 56px 0;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .benefit-steps {
                grid-template-columns: 1fr;
            }
            .cta-bottom {
                padding: 36px 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item-thumb {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .theme-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .countdown-bar {
                padding: 12px 16px;
                gap: 10px;
            }
            .countdown-timer .unit {
                min-width: 36px;
                padding: 4px 6px;
            }
            .countdown-timer .unit .num {
                font-size: 0.95rem;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-value {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #e8485f;
            --primary-dark: #c22e44;
            --primary-light: #ff7b8a;
            --secondary: #ffb347;
            --secondary-light: #ffd08a;
            --accent: #7c4dff;
            --accent-light: #b388ff;
            --bg: #faf7f5;
            --bg-alt: #f3eeea;
            --surface: #ffffff;
            --surface-warm: #fdf9f7;
            --text: #1f1b2e;
            --text-secondary: #5c566e;
            --text-muted: #8a8498;
            --border: #e8e0da;
            --border-strong: #d5cbc3;
            --shadow-sm: 0 1px 3px rgba(31, 27, 46, 0.06);
            --shadow-md: 0 4px 16px rgba(31, 27, 46, 0.08);
            --shadow-lg: 0 12px 40px rgba(31, 27, 46, 0.12);
            --shadow-xl: 0 24px 60px rgba(31, 27, 46, 0.16);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 9999px;
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1200px;
            --gradient-brand: linear-gradient(135deg, #e8485f 0%, #c22e44 40%, #7c4dff 100%);
            --gradient-warm: linear-gradient(135deg, #ffb347 0%, #e8485f 60%, #c22e44 100%);
            --gradient-subtle: linear-gradient(135deg, rgba(232, 72, 95, 0.06) 0%, rgba(124, 77, 255, 0.06) 100%);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 72px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.02em;
            color: var(--text);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--text);
        }
        .brand-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .brand-logo span.logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .brand-logo .logo-sub {
            font-size: 0.55rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(232, 72, 95, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(232, 72, 95, 0.1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-full);
            padding: 0 16px;
            height: 40px;
            width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(232, 72, 95, 0.1);
        }
        .search-box svg {
            width: 18px;
            height: 18px;
            color: var(--text-muted);
            flex-shrink: 0;
            margin-right: 8px;
        }
        .search-box input {
            background: none;
            border: none;
            outline: none;
            width: 100%;
            color: var(--text);
            font-size: 0.85rem;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(232, 72, 95, 0.3);
        }
        .btn-header-cta:hover {
            color: #fff;
            box-shadow: 0 6px 20px rgba(232, 72, 95, 0.4);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--surface);
            transition: all var(--transition);
        }
        .nav-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .main {
            min-height: 60vh;
        }
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-warm {
            background: var(--surface-warm);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(232, 72, 95, 0.08);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.78rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 6px 20px rgba(232, 72, 95, 0.3);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            color: #fff;
            box-shadow: 0 10px 28px rgba(232, 72, 95, 0.42);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(232, 72, 95, 0.28);
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border-color: var(--border-strong);
        }
        .btn-outline:hover,
        .btn-outline:focus {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(232, 72, 95, 0.04);
        }
        .btn-light-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }
        .btn-light-outline:hover,
        .btn-light-outline:focus {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .card-padding {
            padding: 28px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.72rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .badge-primary {
            background: rgba(232, 72, 95, 0.1);
            color: var(--primary-dark);
        }
        .badge-secondary {
            background: rgba(255, 179, 71, 0.15);
            color: #b86f00;
        }
        .badge-accent {
            background: rgba(124, 77, 255, 0.1);
            color: var(--accent);
        }
        .badge-dark {
            background: rgba(31, 27, 46, 0.85);
            color: #fff;
        }
        .hero-category {
            position: relative;
            background: var(--gradient-brand);
            color: #fff;
            padding: 80px 0 72px;
            overflow: hidden;
        }
        .hero-category::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .hero-category::after {
            content: "";
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 179, 71, 0.12);
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        .hero-category h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 18px;
        }
        .hero-category .hero-sub {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.86);
            max-width: 560px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .hero-data-panel {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-xl);
            padding: 24px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
        }
        .hero-data-panel .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            gap: 12px;
        }
        .hero-data-panel .data-row:last-child {
            border-bottom: none;
        }
        .hero-data-panel .data-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }
        .hero-data-panel .data-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .hero-data-panel .data-trend {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--secondary-light);
        }
        .value-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .value-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .value-card .value-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .value-card .value-icon.primary {
            background: rgba(232, 72, 95, 0.1);
            color: var(--primary-dark);
        }
        .value-card .value-icon.secondary {
            background: rgba(255, 179, 71, 0.15);
            color: #b86f00;
        }
        .value-card .value-icon.accent {
            background: rgba(124, 77, 255, 0.1);
            color: var(--accent);
        }
        .value-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .value-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .scene-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }
        .scene-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .scene-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scene-card:hover img {
            transform: scale(1.05);
        }
        .scene-card .scene-overlay {
            position: relative;
            z-index: 2;
            padding: 20px;
            background: linear-gradient(to top, rgba(31, 27, 46, 0.85) 0%, rgba(31, 27, 46, 0.3) 60%, transparent 100%);
            width: 100%;
            color: #fff;
        }
        .scene-card .scene-overlay h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .scene-card .scene-overlay p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 0;
        }
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            padding: 32px 28px;
            background: var(--surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }
        .stats-item {
            text-align: center;
        }
        .stats-item .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stats-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .comparison-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px;
            box-shadow: var(--shadow-md);
            height: 100%;
        }
        .comparison-card.highlight {
            border: 2px solid var(--primary);
            box-shadow: 0 16px 40px rgba(232, 72, 95, 0.16);
            position: relative;
        }
        .comparison-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            font-size: 0.92rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--bg-alt);
        }
        .comparison-list li:last-child {
            border-bottom: none;
        }
        .comparison-list .check-icon {
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 3px;
        }
        .news-list-section {
            background: var(--surface-warm);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-thumb {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-alt);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-info .news-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .news-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-link:hover {
            color: var(--primary-dark);
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text);
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition);
            color: var(--text-secondary);
        }
        .faq-item.open .faq-toggle {
            background: rgba(232, 72, 95, 0.1);
            color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
        }
        .faq-answer p {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-bottom: 0;
        }
        .cta-banner {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.07);
        }
        .cta-banner h2 {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 560px;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }
        .site-footer {
            background: var(--text);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 0;
        }
        @media (max-width: 1024px) {
            .header-actions .search-box {
                width: 150px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section {
                padding: 56px 0;
            }
            .hero-category {
                padding: 64px 0 56px;
            }
            .hero-data-panel {
                margin-top: 28px;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }
            .header-inner {
                height: 60px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                flex-direction: column;
                align-items: stretch;
                box-shadow: var(--shadow-lg);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                text-align: center;
            }
            .header-actions .search-box {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .brand-logo {
                font-size: 1rem;
            }
            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .section {
                padding: 44px 0;
            }
            .hero-category {
                padding: 48px 0 44px;
            }
            .hero-category h1 {
                font-size: 1.9rem;
            }
            .hero-category .hero-sub {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-data-panel {
                margin-top: 24px;
                padding: 18px;
            }
            .hero-data-panel .data-value {
                font-size: 1.3rem;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 24px 16px;
            }
            .stats-item .stat-num {
                font-size: 1.8rem;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .comparison-card {
                margin-bottom: 16px;
            }
            .news-list-section {
                padding: 20px;
            }
            .news-item {
                flex-wrap: wrap;
            }
            .news-thumb {
                width: 52px;
                height: 52px;
            }
            .cta-banner {
                padding: 32px 24px;
            }
            .cta-banner h2 {
                font-size: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-actions .btn-header-cta {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .stats-bar {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-item .stat-num {
                font-size: 1.6rem;
            }
            .news-item {
                flex-wrap: nowrap;
            }
            .news-thumb {
                width: 44px;
                height: 44px;
                border-radius: 10px;
            }
            .news-info h4 {
                font-size: 0.85rem;
                white-space: normal;
                overflow: visible;
            }
            .news-link {
                display: none;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer p {
                padding: 0 16px 16px;
                font-size: 0.86rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #e8485f;
            --primary-dark: #c22e44;
            --primary-light: #ff7b8a;
            --secondary: #ffb347;
            --secondary-light: #ffd08a;
            --accent: #7c4dff;
            --accent-light: #b388ff;
            --bg: #faf7f5;
            --bg-alt: #f3eeea;
            --surface: #ffffff;
            --surface-warm: #fdf9f7;
            --text: #1f1b2e;
            --text-secondary: #5c566e;
            --text-muted: #8a8498;
            --border: #e8e0da;
            --border-strong: #d5cbc3;
            --shadow-sm: 0 1px 3px rgba(31, 27, 46, 0.06);
            --shadow-md: 0 4px 16px rgba(31, 27, 46, 0.08);
            --shadow-lg: 0 12px 40px rgba(31, 27, 46, 0.12);
            --shadow-xl: 0 24px 60px rgba(31, 27, 46, 0.16);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 9999px;
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1200px;
            --gradient-brand: linear-gradient(135deg, #e8485f 0%, #c22e44 40%, #7c4dff 100%);
            --gradient-warm: linear-gradient(135deg, #ffb347 0%, #e8485f 60%, #c22e44 100%);
            --gradient-subtle: linear-gradient(135deg, rgba(232, 72, 95, 0.06) 0%, rgba(124, 77, 255, 0.06) 100%);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.02em;
            color: var(--text);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--text);
        }
        .brand-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .brand-logo span.logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .brand-logo .logo-sub {
            font-size: 0.55rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(232, 72, 95, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(232, 72, 95, 0.1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-full);
            padding: 0 16px;
            height: 40px;
            width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(232, 72, 95, 0.1);
        }
        .search-box svg {
            width: 18px;
            height: 18px;
            color: var(--text-muted);
            flex-shrink: 0;
            margin-right: 8px;
        }
        .search-box input {
            background: transparent;
            border: none;
            width: 100%;
            font-size: 0.87rem;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .header-cta {
            padding: 10px 22px;
            border-radius: var(--radius-full);
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(232, 72, 95, 0.3);
        }
        .header-cta:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 72, 95, 0.4);
        }
        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: var(--text);
            font-size: 1.5rem;
            transition: background var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--bg-alt);
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            margin-top: 72px;
            padding: 18px 0;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-inner a {
            color: var(--text-secondary);
            font-weight: 500;
            transition: color var(--transition);
        }
        .breadcrumb-inner a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: var(--border-strong);
            font-size: 0.7rem;
        }
        .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        /* Article Hero */
        .article-hero {
            padding: 50px 0 32px;
            background: var(--surface);
        }
        .article-hero-inner {
            max-width: 820px;
            margin: 0 auto;
            text-align: left;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(232, 72, 95, 0.08);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .article-category-tag svg {
            width: 14px;
            height: 14px;
        }
        .article-hero h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.025em;
            color: var(--text);
            margin-bottom: 20px;
        }
        .article-hero-summary {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
        }
        /* Article Meta */
        .article-meta-bar {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            padding: 16px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            margin-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .article-meta-item svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
        }
        /* Full Width Figure */
        .article-figure {
            margin: 32px 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .article-figure img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 21/9;
        }
        /* Article Layout */
        .article-layout {
            padding: 40px 0 60px;
            background: var(--bg);
        }
        .article-layout-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .article-main-col {
            min-width: 0;
        }
        .article-side-col {
            min-width: 0;
        }
        /* Pull Quote */
        .pull-quote {
            padding: 28px 32px;
            background: var(--surface-warm);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-md);
            margin: 24px 0 32px;
            font-size: 1.15rem;
            font-weight: 500;
            line-height: 1.8;
            color: var(--text);
            font-style: italic;
            box-shadow: var(--shadow-sm);
        }
        .pull-quote::before {
            content: '\201C';
            font-size: 3rem;
            color: var(--primary-light);
            display: block;
            line-height: 1;
            margin-bottom: 8px;
            font-style: normal;
        }
        /* Article Body */
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.015em;
            margin: 2.2em 0 0.8em;
            color: var(--text);
            padding-top: 0.4em;
            border-top: 2px solid var(--bg-alt);
        }
        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 1.8em 0 0.6em;
            color: var(--text);
        }
        .article-body p {
            margin-bottom: 1.2em;
            color: var(--text-secondary);
        }
        .article-body ul, .article-body ol {
            margin: 0 0 1.4em 1.5em;
            color: var(--text-secondary);
        }
        .article-body li {
            margin-bottom: 0.5em;
            padding-left: 0.3em;
        }
        .article-body blockquote {
            margin: 1.8em 0;
            padding: 18px 24px;
            background: var(--surface-warm);
            border-left: 3px solid var(--accent);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .article-body img {
            margin: 1.8em auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
        }
        .article-body a {
            color: var(--primary);
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--primary-dark);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8em 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        .article-body table th {
            background: var(--bg-alt);
            font-weight: 700;
            color: var(--text);
        }
        .article-body table tr:hover td {
            background: var(--surface-warm);
        }
        /* Not Found */
        .not-found-box {
            padding: 48px 32px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .not-found-box h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text);
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box a {
            display: inline-block;
            padding: 12px 28px;
            background: var(--gradient-brand);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(232, 72, 95, 0.3);
        }
        .not-found-box a:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 72, 95, 0.4);
        }
        /* Sidebar */
        .article-side-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }
        .article-side-card h3 {
            font-size: 1.05rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-side-card h3 svg {
            width: 18px;
            height: 18px;
            color: var(--primary);
        }
        .side-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .side-tag {
            padding: 6px 14px;
            border-radius: var(--radius-full);
            background: var(--bg-alt);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .side-tag:hover {
            background: rgba(232, 72, 95, 0.1);
            color: var(--primary);
        }
        .side-post-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .side-post-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .side-post-list li:last-child {
            border-bottom: none;
        }
        .side-post-list a {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            line-height: 1.5;
            transition: color var(--transition);
        }
        .side-post-list a:hover {
            color: var(--primary);
        }
        /* Related Section */
        .related-section {
            padding: 48px 0 56px;
            background: var(--bg-alt);
        }
        .related-section .container {
            max-width: 1100px;
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .section-header h2 {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.015em;
            color: var(--text);
        }
        .section-header .more-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .section-header .more-link:hover {
            color: var(--primary-dark);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-strong);
        }
        .related-card .card-cat {
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .related-card h3 {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 10px;
        }
        .related-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        /* Category Entry */
        .category-entry-section {
            padding: 48px 0;
            background: var(--surface);
        }
        .category-entry-section .container {
            max-width: 1100px;
        }
        .category-entry-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
            align-items: start;
        }
        .category-entry-main {
            background: var(--gradient-brand);
            border-radius: var(--radius-lg);
            padding: 32px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-lg);
        }
        .category-entry-main h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .category-entry-main p {
            font-size: 0.9rem;
            opacity: 0.9;
            max-width: 400px;
            line-height: 1.6;
        }
        .category-entry-main a {
            display: inline-block;
            padding: 12px 26px;
            background: #fff;
            color: var(--primary-dark);
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.85rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .category-entry-main a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        }
        .category-entry-aside {
            background: var(--surface-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px;
        }
        .category-entry-aside h4 {
            font-size: 0.95rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text);
        }
        .category-entry-aside ul {
            list-style: none;
            padding: 0;
        }
        .category-entry-aside li {
            padding: 8px 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px dashed var(--border);
        }
        .category-entry-aside li:last-child {
            border-bottom: none;
        }
        .category-entry-aside li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }
        /* FAQ Section */
        .faq-section {
            padding: 48px 0;
            background: var(--bg);
        }
        .faq-section .container {
            max-width: 820px;
        }
        .faq-heading {
            text-align: center;
            margin-bottom: 32px;
        }
        .faq-heading h2 {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.015em;
            color: var(--text);
            margin-bottom: 10px;
        }
        .faq-heading p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            gap: 16px;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        /* Bottom CTA */
        .bottom-cta {
            padding: 48px 0 56px;
            background: var(--surface);
        }
        .bottom-cta .container {
            max-width: 1100px;
        }
        .bottom-cta-box {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-xl);
        }
        .bottom-cta-box h3 {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.015em;
            margin-bottom: 8px;
        }
        .bottom-cta-box p {
            font-size: 0.95rem;
            opacity: 0.92;
            max-width: 480px;
            line-height: 1.7;
        }
        .bottom-cta-box a {
            display: inline-block;
            padding: 14px 32px;
            background: #fff;
            color: var(--primary-dark);
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(0,0,0,0.2);
        }
        .bottom-cta-box a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.3);
        }
        /* Footer */
        .site-footer {
            background: #1a1725;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
        }
        .site-footer .container {
            max-width: var(--container);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .brand-logo:hover {
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            max-width: 340px;
            opacity: 0.75;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-side-col {
                order: 2;
            }
            .article-main-col {
                order: 1;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .main-nav {
                display: none;
            }
            .main-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                gap: 6px;
                box-shadow: var(--shadow-lg);
            }
            .main-nav.mobile-open a {
                width: 100%;
                padding: 12px 16px;
            }
            .mobile-toggle {
                display: flex;
            }
            .search-box {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .article-hero {
                padding: 32px 0 20px;
            }
            .article-hero h1 {
                font-size: 1.7rem;
            }
            .article-figure img {
                aspect-ratio: 16/10;
            }
            .article-layout {
                padding: 24px 0 40px;
            }
            .pull-quote {
                padding: 20px;
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .bottom-cta-box {
                padding: 28px 20px;
            }
            .bottom-cta-box h3 {
                font-size: 1.3rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-layout-grid {
                padding: 0 16px;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-meta-bar {
                gap: 12px;
                font-size: 0.75rem;
            }
            .breadcrumb-current {
                max-width: 160px;
            }
            .category-entry-main {
                padding: 22px;
            }
            .bottom-cta-box {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}