/* roulang page: index */
:root {
            --color-primary: #4F46E5;
            --color-primary-dark: #3730A3;
            --color-primary-light: #818CF8;
            --color-accent: #F59E0B;
            --color-accent-dark: #D97706;
            --color-bg: #F8FAFC;
            --color-surface: #FFFFFF;
            --color-text: #1E293B;
            --color-text-muted: #64748B;
            --color-border: #E2E8F0;
            --color-glass-bg: rgba(15, 23, 42, 0.75);
            --color-glass-border: rgba(255, 255, 255, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.16), 0 8px 20px rgba(0, 0, 0, 0.08);
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ── 透明玻璃导航 ── */
        .glass-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-glass-border);
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .glass-nav.scrolled {
            background: rgba(15, 23, 42, 0.94);
            border-bottom-color: rgba(255, 255, 255, 0.18);
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.18);
        }

        .glass-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 24px;
            max-width: 1260px;
            margin: 0 auto;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.85;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 17px;
            border-radius: 30px;
            color: rgba(255, 255, 255, 0.88);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 30px;
            background: var(--color-accent);
            color: #1E293B;
            font-weight: 600;
            font-size: 0.93rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.4);
            color: #1E293B;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            padding: 32px 24px;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 15px 20px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 1.05rem;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .mobile-menu a.active {
            background: var(--color-primary);
            font-weight: 600;
        }

        /* ── Hero ── */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(160deg, #0F172A 0%, #1E293B 40%, #1a1a2e 100%);
            overflow: hidden;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            pointer-events: none;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 55% 40%, rgba(79, 70, 229, 0.2) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(245, 158, 11, 0.12) 0%, transparent 55%),
                linear-gradient(180deg, rgba(15, 23, 42, 0.3) 0%, rgba(15, 23, 42, 0.7) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            padding: 40px 24px;
            margin-top: 40px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.88rem;
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22C55E;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(34, 197, 94, 0);
            }
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin: 0 0 18px;
            letter-spacing: -0.02em;
        }

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

        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.72);
            margin: 0 auto 36px;
            max-width: 560px;
            line-height: 1.7;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: none;
            text-align: center;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 8px 28px rgba(79, 70, 229, 0.4);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(79, 70, 229, 0.5);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #1E293B;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.35);
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(245, 158, 11, 0.45);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 0.88rem;
            border-radius: 24px;
        }

        .btn-lg {
            padding: 16px 34px;
            font-size: 1.1rem;
            border-radius: 34px;
        }

        /* ── 板块通用 ── */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(79, 70, 229, 0.08);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ── 卡片 ── */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

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

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #E2E8F0;
        }

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

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

        .card-body {
            padding: 20px 22px;
        }

        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 16px;
            background: rgba(79, 70, 229, 0.08);
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 12px;
        }

        /* ── 网格 ── */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

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

        /* ── 横向滚动 ── */
        .scroll-row {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: #CBD5E1 transparent;
        }

        .scroll-row::-webkit-scrollbar {
            height: 6px;
        }

        .scroll-row::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 3px;
        }

        .scroll-row::-webkit-scrollbar-thumb {
            background: #CBD5E1;
            border-radius: 3px;
        }

        .scroll-card {
            flex: 0 0 320px;
            scroll-snap-align: start;
        }

        /* ── 统计 ── */
        .stat-block {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 24px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }

        .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ── FAQ ── */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 22px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .faq-q {
            font-weight: 700;
            font-size: 1.08rem;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .faq-q i {
            transition: transform var(--transition-fast);
            color: var(--color-primary);
            font-size: 1rem;
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--color-text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
            padding-top: 14px;
        }

        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }

        /* ── CTA区块 ── */
        .cta-section {
            background: linear-gradient(150deg, #1E293B 0%, #0F172A 100%);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(79, 70, 229, 0.25) 0%, transparent 60%);
            pointer-events: none;
        }

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

        /* ── Footer ── */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
        }

        .footer-links-title {
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            font-size: 0.95rem;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ── 响应式 ── */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-section {
                min-height: 75vh;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .scroll-card {
                flex: 0 0 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section {
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 1rem;
            }
            .stat-num {
                font-size: 2rem;
            }
            .container {
                padding: 0 16px;
            }
            .glass-nav .nav-inner {
                height: 56px;
                padding: 0 16px;
            }
            .mobile-menu {
                top: 56px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .hero-buttons .btn {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-header {
                margin-bottom: 30px;
            }
            .card-body {
                padding: 14px 16px;
            }
            .stat-block {
                padding: 16px;
                gap: 10px;
            }
            .stat-num {
                font-size: 1.6rem;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --secondary: #06b6d4;
            --accent: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-soft: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-full: 50px;
            --transition: 0.2s ease;
            --max-width: 1200px;
            --nav-height: 70px;
        }
        * { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img { max-width:100%; height:auto; display:block; }
        a { text-decoration:none; color:inherit; transition: color var(--transition); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 玻璃导航 */
        .glass-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255,255,255,0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226,232,240,0.5);
            box-shadow: 0 4px 20px rgba(0,0,0,0.04);
        }
        .nav-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text);
        }
        .nav-logo-icon {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            width: 32px; height: 32px;
            display: flex; align-items: center; justify-content: center;
            border-radius: var(--radius-sm);
            font-weight: 800;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-cta-btn {
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), transform var(--transition);
        }
        .nav-cta-btn:hover { background: var(--primary-dark); transform: translateY(-1px); }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
        }
        .desktop-only { display: flex; }
        @media (max-width: 768px) {
            .desktop-only { display: none; }
            .mobile-menu-toggle { display: block; }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(255,255,255,0.95);
                backdrop-filter: blur(16px);
                padding: 20px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                transition: transform 0.3s;
                z-index: 999;
            }
            .nav-links.open { transform: translateY(0); }
        }

        /* 文章 Banner */
        .article-banner {
            margin-top: var(--nav-height);
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 60px 24px;
            position: relative;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.2;
        }
        .breadcrumb {
            position: relative;
            max-width: var(--max-width);
            margin: 0 auto 20px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.9);
            transition: color var(--transition);
        }
        .breadcrumb a:hover { color: var(--secondary); }
        .breadcrumb span { margin: 0 6px; }
        .article-banner h1 {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
        }
        .article-meta-row {
            position: relative;
            max-width: 860px;
            margin: 16px auto 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
        }
        .article-meta-row .badge {
            background: var(--primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .article-banner h1 { font-size: 1.8rem; }
        }

        /* 正文区 */
        .article-content {
            padding: 50px 24px;
        }
        .article-inner {
            max-width: 860px;
            margin: 0 auto;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 40px 48px;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text);
        }
        .article-body h2 {
            font-size: 1.5rem;
            margin: 1.6em 0 0.6em;
            color: var(--text);
        }
        .article-body h3 {
            font-size: 1.2rem;
            margin: 1.4em 0 0.5em;
        }
        .article-body p {
            margin-bottom: 1.2em;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover { color: var(--primary-dark); }
        .article-body blockquote {
            border-left: 4px solid var(--primary-light);
            padding-left: 20px;
            margin: 1.5em 0;
            color: var(--text-soft);
            background: #f8fafc;
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        @media (max-width: 768px) {
            .article-inner {
                padding: 24px 20px;
            }
        }

        /* 相关推荐 */
        .related-section {
            padding: 50px 24px;
            background: #fff;
        }
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title i { color: var(--primary); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 20px;
            transition: box-shadow var(--transition), transform var(--transition);
            cursor: pointer;
        }
        .related-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }
        .related-card .rc-cat {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .related-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--text);
        }
        .related-card p {
            font-size: 0.9rem;
            color: var(--text-soft);
            margin-bottom: 12px;
        }
        .related-card .rc-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .related-grid { grid-template-columns: 1fr; }
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 60px 24px;
            text-align: center;
            color: #fff;
        }
        .cta-block h3 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }
        .cta-block p {
            color: rgba(255,255,255,0.7);
            margin-bottom: 30px;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition), transform var(--transition);
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }

        /* 未找到 */
        .not-found {
            margin-top: var(--nav-height);
            text-align: center;
            padding: 100px 24px;
        }
        .not-found h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .not-found a {
            color: var(--primary);
            font-weight: 600;
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: rgba(255,255,255,0.7);
            padding: 40px 24px 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .footer-links-title {
            color: #fff;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }
        .footer-links a:hover { color: #fff; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 8px; }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #1a56db;
            --color-primary-dark: #1e40af;
            --color-primary-light: #dbeafe;
            --color-accent: #059669;
            --color-accent-light: #d1fae5;
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-danger: #ef4444;
            --color-warning: #f59e0b;
            --color-tag-bg: #eff6ff;
            --color-tag-text: #1e40af;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 68px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.25rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 4rem;
            --spacing-3xl: 6rem;
        }

        /* ============ 基础 Reset ============ */
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
        body{
            font-family:var(--font-sans);
            line-height:1.65;
            color:var(--color-text);
            background:var(--color-bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            min-height:100vh;
        }
        img{max-width:100%;height:auto;display:block}
        a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}
        button{cursor:pointer;font-family:inherit;border:none;background:none}
        ul,ol{list-style:none}
        input,select,textarea{font-family:inherit;font-size:inherit}
        :focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}

        /* ============ 容器 ============ */
        .container{
            width:100%;
            max-width:var(--max-width);
            margin:0 auto;
            padding-left:1.25rem;
            padding-right:1.25rem;
        }
        @media(min-width:768px){
            .container{padding-left:2rem;padding-right:2rem}
        }
        @media(min-width:1200px){
            .container{padding-left:1.5rem;padding-right:1.5rem}
        }

        /* ============ 玻璃导航 ============ */
        .glass-nav{
            position:fixed;
            top:0;
            left:0;
            right:0;
            z-index:1000;
            background:rgba(255,255,255,0.72);
            backdrop-filter:blur(18px);
            -webkit-backdrop-filter:blur(18px);
            border-bottom:1px solid rgba(226,232,240,0.5);
            transition:all var(--transition-normal);
            height:var(--nav-height);
        }
        .glass-nav.scrolled{
            background:rgba(255,255,255,0.94);
            border-bottom-color:var(--color-border);
            box-shadow:var(--shadow-md);
        }
        .nav-inner{
            display:flex;
            align-items:center;
            justify-content:space-between;
            max-width:var(--max-width);
            margin:0 auto;
            padding:0 1.25rem;
            height:100%;
            gap:var(--spacing-md);
        }
        @media(min-width:768px){
            .nav-inner{padding:0 2rem}
        }
        @media(min-width:1200px){
            .nav-inner{padding:0 1.5rem}
        }
        .nav-logo{
            display:flex;
            align-items:center;
            gap:0.5rem;
            font-weight:700;
            font-size:1.2rem;
            color:var(--color-text);
            white-space:nowrap;
            letter-spacing:-0.01em;
            flex-shrink:0;
        }
        .nav-logo-icon{
            display:flex;
            align-items:center;
            justify-content:center;
            width:36px;
            height:36px;
            border-radius:var(--radius-sm);
            background:var(--color-primary);
            color:#fff;
            font-weight:800;
            font-size:1rem;
            letter-spacing:0;
            flex-shrink:0;
        }
        .nav-links{
            display:flex;
            align-items:center;
            gap:0.25rem;
        }
        .nav-links a{
            display:block;
            padding:0.5rem 1rem;
            border-radius:var(--radius-md);
            font-size:0.925rem;
            font-weight:500;
            color:var(--color-text-secondary);
            transition:all var(--transition-fast);
            white-space:nowrap;
            position:relative;
        }
        .nav-links a:hover{
            color:var(--color-primary);
            background:var(--color-primary-light);
        }
        .nav-links a.active{
            color:var(--color-primary);
            background:var(--color-primary-light);
            font-weight:600;
        }
        .nav-cta-btn{
            display:inline-flex;
            align-items:center;
            gap:0.4rem;
            padding:0.55rem 1.2rem;
            border-radius:var(--radius-md);
            font-size:0.875rem;
            font-weight:600;
            color:#fff;
            background:var(--color-primary);
            transition:all var(--transition-fast);
            white-space:nowrap;
            flex-shrink:0;
        }
        .nav-cta-btn:hover{
            background:var(--color-primary-dark);
            box-shadow:var(--shadow-md);
            transform:translateY(-1px);
        }
        .nav-cta-btn:active{
            transform:translateY(0);
        }
        .mobile-menu-toggle{
            display:none;
            align-items:center;
            justify-content:center;
            width:40px;
            height:40px;
            border-radius:var(--radius-sm);
            font-size:1.3rem;
            color:var(--color-text);
            background:var(--color-bg-alt);
            transition:all var(--transition-fast);
            flex-shrink:0;
        }
        .mobile-menu-toggle:hover{
            background:var(--color-border);
        }
        @media(max-width:767px){
            .nav-links{
                display:none;
                position:absolute;
                top:var(--nav-height);
                left:0;
                right:0;
                flex-direction:column;
                background:rgba(255,255,255,0.97);
                backdrop-filter:blur(20px);
                -webkit-backdrop-filter:blur(20px);
                border-bottom:1px solid var(--color-border);
                padding:0.75rem 1.25rem 1.25rem;
                gap:0.15rem;
                box-shadow:var(--shadow-lg);
                border-radius:0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-links.show{display:flex}
            .nav-links a{
                width:100%;
                padding:0.7rem 0.9rem;
                font-size:0.95rem;
                border-radius:var(--radius-sm);
            }
            .mobile-menu-toggle{display:flex}
            .desktop-only{display:none!important}
        }
        @media(min-width:768px){
            .desktop-only{display:inline-flex!important}
        }

        /* ============ 分类 Banner ============ */
        .category-banner{
            position:relative;
            margin-top:var(--nav-height);
            min-height:360px;
            display:flex;
            align-items:center;
            justify-content:center;
            text-align:center;
            background:linear-gradient(135deg,rgba(26,86,219,0.88) 0%,rgba(5,150,105,0.82) 60%,rgba(15,23,42,0.75) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            background-blend-mode:overlay;
            overflow:hidden;
        }
        .category-banner::after{
            content:'';
            position:absolute;
            inset:0;
            background:radial-gradient(ellipse at 30% 50%,rgba(255,255,255,0.08) 0%,transparent 65%);
            pointer-events:none;
        }
        .category-banner-content{
            position:relative;
            z-index:2;
            max-width:700px;
            padding:var(--spacing-3xl) 1.25rem;
        }
        .category-breadcrumb{
            display:inline-flex;
            align-items:center;
            gap:0.4rem;
            font-size:0.85rem;
            color:rgba(255,255,255,0.75);
            margin-bottom:var(--spacing-md);
            flex-wrap:wrap;
            justify-content:center;
        }
        .category-breadcrumb a{
            color:rgba(255,255,255,0.85);
            transition:color var(--transition-fast);
        }
        .category-breadcrumb a:hover{color:#fff}
        .category-breadcrumb .separator{opacity:0.5;font-size:0.7rem}
        .category-banner-title{
            font-size:2.6rem;
            font-weight:800;
            color:#fff;
            letter-spacing:-0.03em;
            line-height:1.2;
            margin-bottom:var(--spacing-sm);
        }
        .category-banner-desc{
            font-size:1.1rem;
            color:rgba(255,255,255,0.82);
            max-width:520px;
            margin:0 auto var(--spacing-lg);
            line-height:1.6;
        }
        .category-banner-stats{
            display:flex;
            gap:var(--spacing-xl);
            justify-content:center;
            flex-wrap:wrap;
        }
        .category-stat-item{
            text-align:center;
        }
        .category-stat-num{
            font-size:2rem;
            font-weight:700;
            color:#fff;
            letter-spacing:-0.02em;
        }
        .category-stat-label{
            font-size:0.8rem;
            color:rgba(255,255,255,0.65);
            margin-top:0.15rem;
        }
        @media(max-width:767px){
            .category-banner{min-height:280px}
            .category-banner-title{font-size:1.8rem}
            .category-banner-desc{font-size:0.95rem}
            .category-stat-num{font-size:1.5rem}
            .category-banner-content{padding:var(--spacing-2xl) 1rem}
            .category-banner-stats{gap:var(--spacing-lg)}
        }

        /* ============ 更新信息条 ============ */
        .update-bar{
            background:var(--color-surface);
            border-bottom:1px solid var(--color-border);
            padding:0.65rem 0;
            font-size:0.85rem;
            color:var(--color-text-secondary);
        }
        .update-bar-inner{
            display:flex;
            align-items:center;
            gap:var(--spacing-md);
            flex-wrap:wrap;
            justify-content:space-between;
        }
        .update-bar-left{
            display:flex;
            align-items:center;
            gap:0.5rem;
        }
        .update-dot{
            width:8px;
            height:8px;
            border-radius:50%;
            background:var(--color-accent);
            animation:pulse-dot 2s infinite;
        }
        @keyframes pulse-dot{
            0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(5,150,105,0.4)}
            50%{opacity:0.7;box-shadow:0 0 0 8px rgba(5,150,105,0)}
        }
        .update-bar-right{
            display:flex;
            align-items:center;
            gap:var(--spacing-sm);
            color:var(--color-text-muted);
            font-size:0.8rem;
        }
        .update-badge{
            display:inline-flex;
            align-items:center;
            gap:0.25rem;
            padding:0.2rem 0.6rem;
            border-radius:20px;
            font-size:0.75rem;
            font-weight:600;
            background:var(--color-accent-light);
            color:var(--color-accent);
        }

        /* ============ 标签筛选栏 ============ */
        .filter-section{
            background:var(--color-surface);
            border-bottom:1px solid var(--color-border);
            padding:var(--spacing-md) 0;
            position:sticky;
            top:var(--nav-height);
            z-index:50;
        }
        .filter-inner{
            display:flex;
            align-items:center;
            gap:var(--spacing-sm);
            flex-wrap:wrap;
        }
        .filter-label{
            font-size:0.85rem;
            font-weight:600;
            color:var(--color-text);
            white-space:nowrap;
            margin-right:0.25rem;
        }
        .filter-tag{
            display:inline-flex;
            align-items:center;
            padding:0.4rem 1rem;
            border-radius:20px;
            font-size:0.825rem;
            font-weight:500;
            color:var(--color-text-secondary);
            background:var(--color-bg-alt);
            border:1.5px solid transparent;
            cursor:pointer;
            transition:all var(--transition-fast);
            white-space:nowrap;
            user-select:none;
        }
        .filter-tag:hover{
            color:var(--color-primary);
            background:var(--color-primary-light);
            border-color:rgba(26,86,219,0.2);
        }
        .filter-tag.active{
            color:#fff;
            background:var(--color-primary);
            border-color:var(--color-primary);
            font-weight:600;
            box-shadow:0 2px 8px rgba(26,86,219,0.25);
        }
        .filter-count{
            font-size:0.7rem;
            margin-left:0.3rem;
            opacity:0.7;
        }
        @media(max-width:520px){
            .filter-inner{gap:0.4rem}
            .filter-tag{padding:0.35rem 0.75rem;font-size:0.78rem}
            .filter-label{font-size:0.8rem}
        }

        /* ============ 主内容区 ============ */
        .main-content-area{
            padding:var(--spacing-xl) 0 var(--spacing-2xl);
        }
        .content-layout{
            display:grid;
            grid-template-columns:1fr 320px;
            gap:var(--spacing-xl);
            align-items:start;
        }
        @media(max-width:1024px){
            .content-layout{grid-template-columns:1fr;gap:var(--spacing-lg)}
        }

        /* 文章卡片网格 */
        .articles-grid{
            display:grid;
            grid-template-columns:repeat(2,1fr);
            gap:var(--spacing-lg);
        }
        @media(max-width:640px){
            .articles-grid{grid-template-columns:1fr;gap:var(--spacing-md)}
        }
        .article-card{
            background:var(--color-surface);
            border-radius:var(--radius-lg);
            overflow:hidden;
            border:1px solid var(--color-border-light);
            transition:all var(--transition-normal);
            display:flex;
            flex-direction:column;
            height:100%;
        }
        .article-card:hover{
            box-shadow:var(--shadow-lg);
            transform:translateY(-3px);
            border-color:var(--color-border);
        }
        .article-card-img-wrap{
            position:relative;
            overflow:hidden;
            aspect-ratio:16/10;
            background:var(--color-bg-alt);
        }
        .article-card-img-wrap img{
            width:100%;
            height:100%;
            object-fit:cover;
            transition:transform var(--transition-slow);
        }
        .article-card:hover .article-card-img-wrap img{
            transform:scale(1.06);
        }
        .article-card-tag{
            position:absolute;
            top:0.75rem;
            left:0.75rem;
            display:inline-block;
            padding:0.25rem 0.65rem;
            border-radius:20px;
            font-size:0.72rem;
            font-weight:600;
            background:rgba(26,86,219,0.9);
            color:#fff;
            backdrop-filter:blur(6px);
            -webkit-backdrop-filter:blur(6px);
            z-index:2;
            letter-spacing:0.01em;
        }
        .article-card-body{
            padding:var(--spacing-md);
            display:flex;
            flex-direction:column;
            flex-grow:1;
            gap:0.5rem;
        }
        .article-card-title{
            font-size:1.05rem;
            font-weight:700;
            line-height:1.45;
            color:var(--color-text);
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
            transition:color var(--transition-fast);
        }
        .article-card:hover .article-card-title{
            color:var(--color-primary);
        }
        .article-card-excerpt{
            font-size:0.85rem;
            color:var(--color-text-secondary);
            line-height:1.55;
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
            flex-grow:1;
        }
        .article-card-meta{
            display:flex;
            align-items:center;
            gap:var(--spacing-sm);
            font-size:0.78rem;
            color:var(--color-text-muted);
            padding-top:0.4rem;
            border-top:1px solid var(--color-border-light);
        }
        .article-card-meta i{font-size:0.7rem}
        .article-card-link{
            display:block;
            color:inherit;
        }

        /* 侧边栏 */
        .sidebar{
            display:flex;
            flex-direction:column;
            gap:var(--spacing-lg);
            position:sticky;
            top:calc(var(--nav-height) + 60px);
        }
        @media(max-width:1024px){
            .sidebar{position:static;flex-direction:row;flex-wrap:wrap;gap:var(--spacing-md)}
            .sidebar>*{flex:1 1 280px;min-width:260px}
        }
        @media(max-width:640px){
            .sidebar{flex-direction:column}
            .sidebar>*{flex:1 1 auto;min-width:0}
        }
        .sidebar-card{
            background:var(--color-surface);
            border-radius:var(--radius-lg);
            border:1px solid var(--color-border-light);
            padding:var(--spacing-md);
        }
        .sidebar-card-title{
            font-size:0.95rem;
            font-weight:700;
            color:var(--color-text);
            margin-bottom:var(--spacing-md);
            padding-bottom:var(--spacing-sm);
            border-bottom:2px solid var(--color-primary);
            display:flex;
            align-items:center;
            gap:0.4rem;
        }
        .sidebar-card-title i{color:var(--color-primary);font-size:0.85rem}
        .hot-list-item{
            display:flex;
            align-items:flex-start;
            gap:0.65rem;
            padding:0.6rem 0;
            border-bottom:1px solid var(--color-border-light);
            transition:all var(--transition-fast);
            cursor:pointer;
        }
        .hot-list-item:last-child{border-bottom:none}
        .hot-list-item:hover{padding-left:0.3rem}
        .hot-list-item:hover .hot-list-title{color:var(--color-primary)}
        .hot-list-rank{
            width:26px;
            height:26px;
            border-radius:var(--radius-sm);
            display:flex;
            align-items:center;
            justify-content:center;
            font-weight:700;
            font-size:0.8rem;
            flex-shrink:0;
            color:#fff;
            background:var(--color-text-muted);
        }
        .hot-list-item:nth-child(1) .hot-list-rank{background:var(--color-danger)}
        .hot-list-item:nth-child(2) .hot-list-rank{background:var(--color-warning)}
        .hot-list-item:nth-child(3) .hot-list-rank{background:var(--color-accent)}
        .hot-list-title{
            font-size:0.85rem;
            font-weight:500;
            color:var(--color-text);
            line-height:1.4;
            transition:color var(--transition-fast);
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
        }
        .hot-list-views{
            font-size:0.7rem;
            color:var(--color-text-muted);
            margin-top:0.2rem;
            display:flex;
            align-items:center;
            gap:0.25rem;
        }

        /* ============ 横向滚动专题卡 ============ */
        .featured-strip-section{
            padding:var(--spacing-xl) 0;
            background:var(--color-surface);
            border-top:1px solid var(--color-border);
            border-bottom:1px solid var(--color-border);
        }
        .featured-strip-header{
            display:flex;
            align-items:center;
            justify-content:space-between;
            margin-bottom:var(--spacing-lg);
            flex-wrap:wrap;
            gap:var(--spacing-sm);
        }
        .featured-strip-title{
            font-size:1.3rem;
            font-weight:700;
            color:var(--color-text);
            display:flex;
            align-items:center;
            gap:0.5rem;
        }
        .featured-strip-title i{color:var(--color-accent)}
        .featured-strip-scroll{
            display:flex;
            gap:var(--spacing-md);
            overflow-x:auto;
            scroll-snap-type:x mandatory;
            -webkit-overflow-scrolling:touch;
            padding-bottom:0.5rem;
            scrollbar-width:thin;
            scrollbar-color:var(--color-border) transparent;
        }
        .featured-strip-scroll::-webkit-scrollbar{height:5px}
        .featured-strip-scroll::-webkit-scrollbar-track{background:transparent;border-radius:10px}
        .featured-strip-scroll::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:10px}
        .featured-card{
            flex:0 0 280px;
            scroll-snap-align:start;
            background:var(--color-bg);
            border-radius:var(--radius-lg);
            overflow:hidden;
            border:1px solid var(--color-border-light);
            transition:all var(--transition-normal);
            cursor:pointer;
            min-width:260px;
        }
        .featured-card:hover{
            box-shadow:var(--shadow-md);
            transform:translateY(-2px);
            border-color:var(--color-border);
        }
        .featured-card-img{
            width:100%;
            aspect-ratio:16/9;
            object-fit:cover;
        }
        .featured-card-body{
            padding:var(--spacing-md);
        }
        .featured-card-label{
            font-size:0.75rem;
            font-weight:600;
            color:var(--color-primary);
            margin-bottom:0.35rem;
            text-transform:uppercase;
            letter-spacing:0.03em;
        }
        .featured-card-name{
            font-size:0.95rem;
            font-weight:700;
            color:var(--color-text);
            line-height:1.4;
        }
        @media(max-width:640px){
            .featured-card{flex:0 0 240px;min-width:220px}
            .featured-strip-title{font-size:1.1rem}
        }

        /* ============ 分页 ============ */
        .pagination-section{
            padding:var(--spacing-lg) 0;
            text-align:center;
        }
        .pagination{
            display:inline-flex;
            align-items:center;
            gap:0.3rem;
            flex-wrap:wrap;
            justify-content:center;
        }
        .pagination-btn{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            min-width:38px;
            height:38px;
            padding:0 0.7rem;
            border-radius:var(--radius-sm);
            font-size:0.85rem;
            font-weight:500;
            color:var(--color-text-secondary);
            background:var(--color-surface);
            border:1px solid var(--color-border);
            transition:all var(--transition-fast);
            cursor:pointer;
        }
        .pagination-btn:hover{
            color:var(--color-primary);
            border-color:var(--color-primary);
            background:var(--color-primary-light);
        }
        .pagination-btn.active{
            color:#fff;
            background:var(--color-primary);
            border-color:var(--color-primary);
            font-weight:600;
        }
        .pagination-btn:disabled{
            opacity:0.4;
            cursor:not-allowed;
            pointer-events:none;
        }

        /* ============ FAQ ============ */
        .faq-section{
            padding:var(--spacing-2xl) 0;
            background:var(--color-bg);
        }
        .section-header{
            text-align:center;
            margin-bottom:var(--spacing-xl);
        }
        .section-header .section-icon{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            width:48px;
            height:48px;
            border-radius:50%;
            background:var(--color-primary-light);
            color:var(--color-primary);
            font-size:1.3rem;
            margin-bottom:var(--spacing-sm);
        }
        .section-title{
            font-size:1.5rem;
            font-weight:700;
            color:var(--color-text);
            letter-spacing:-0.02em;
        }
        .section-subtitle{
            font-size:0.95rem;
            color:var(--color-text-secondary);
            margin-top:0.4rem;
        }
        .faq-list{
            max-width:760px;
            margin:0 auto;
            display:flex;
            flex-direction:column;
            gap:var(--spacing-sm);
        }
        .faq-item{
            background:var(--color-surface);
            border-radius:var(--radius-md);
            border:1px solid var(--color-border-light);
            overflow:hidden;
            transition:all var(--transition-fast);
        }
        .faq-item:hover{border-color:var(--color-border)}
        .faq-question{
            display:flex;
            align-items:center;
            justify-content:space-between;
            width:100%;
            padding:var(--spacing-md);
            font-size:0.95rem;
            font-weight:600;
            color:var(--color-text);
            text-align:left;
            background:none;
            border:none;
            cursor:pointer;
            gap:var(--spacing-sm);
            transition:color var(--transition-fast);
        }
        .faq-question:hover{color:var(--color-primary)}
        .faq-question i{
            font-size:0.8rem;
            color:var(--color-text-muted);
            transition:transform var(--transition-fast);
            flex-shrink:0;
        }
        .faq-item.open .faq-question i{transform:rotate(180deg);color:var(--color-primary)}
        .faq-item.open .faq-question{color:var(--color-primary)}
        .faq-answer{
            max-height:0;
            overflow:hidden;
            transition:max-height var(--transition-normal),padding var(--transition-normal);
            padding:0 var(--spacing-md);
            font-size:0.88rem;
            color:var(--color-text-secondary);
            line-height:1.65;
        }
        .faq-item.open .faq-answer{
            max-height:300px;
            padding:0 var(--spacing-md) var(--spacing-md);
        }

        /* ============ CTA ============ */
        .cta-section{
            padding:var(--spacing-2xl) 0;
            background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);
            position:relative;
            overflow:hidden;
        }
        .cta-section::before{
            content:'';
            position:absolute;
            width:300px;
            height:300px;
            border-radius:50%;
            background:rgba(255,255,255,0.04);
            top:-60px;
            right:-80px;
        }
        .cta-section::after{
            content:'';
            position:absolute;
            width:200px;
            height:200px;
            border-radius:50%;
            background:rgba(255,255,255,0.03);
            bottom:-40px;
            left:-50px;
        }
        .cta-inner{
            position:relative;
            z-index:2;
            text-align:center;
            max-width:600px;
            margin:0 auto;
        }
        .cta-title{
            font-size:1.6rem;
            font-weight:700;
            color:#fff;
            letter-spacing:-0.02em;
            margin-bottom:var(--spacing-sm);
        }
        .cta-desc{
            font-size:0.95rem;
            color:rgba(255,255,255,0.78);
            margin-bottom:var(--spacing-lg);
            line-height:1.6;
        }
        .cta-form{
            display:flex;
            gap:0.5rem;
            max-width:440px;
            margin:0 auto;
            flex-wrap:wrap;
            justify-content:center;
        }
        .cta-input{
            flex:1;
            min-width:200px;
            padding:0.7rem 1rem;
            border-radius:var(--radius-md);
            border:2px solid rgba(255,255,255,0.25);
            background:rgba(255,255,255,0.12);
            color:#fff;
            font-size:0.9rem;
            transition:all var(--transition-fast);
            outline:none;
        }
        .cta-input::placeholder{color:rgba(255,255,255,0.5)}
        .cta-input:focus{
            border-color:#fff;
            background:rgba(255,255,255,0.18);
            box-shadow:0 0 0 4px rgba(255,255,255,0.08);
        }
        .cta-submit{
            padding:0.7rem 1.6rem;
            border-radius:var(--radius-md);
            font-weight:600;
            font-size:0.9rem;
            color:var(--color-primary);
            background:#fff;
            border:none;
            cursor:pointer;
            transition:all var(--transition-fast);
            white-space:nowrap;
        }
        .cta-submit:hover{
            background:#f0f4ff;
            box-shadow:0 6px 20px rgba(0,0,0,0.18);
            transform:translateY(-2px);
        }
        .cta-submit:active{transform:translateY(0)}
        @media(max-width:520px){
            .cta-form{flex-direction:column;align-items:stretch}
            .cta-input{min-width:0;text-align:center}
            .cta-title{font-size:1.3rem}
        }

        /* ============ Footer ============ */
        .site-footer{
            background:#0f172a;
            color:rgba(255,255,255,0.7);
            padding:var(--spacing-2xl) 0 var(--spacing-lg);
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.5fr 1fr 1fr;
            gap:var(--spacing-xl);
            margin-bottom:var(--spacing-xl);
        }
        @media(max-width:768px){
            .footer-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-lg)}
        }
        @media(max-width:520px){
            .footer-grid{grid-template-columns:1fr;gap:var(--spacing-md)}
        }
        .footer-brand{
            font-size:1.2rem;
            font-weight:700;
            color:#fff;
            margin-bottom:var(--spacing-sm);
        }
        .footer-desc{
            font-size:0.85rem;
            line-height:1.6;
            color:rgba(255,255,255,0.5);
        }
        .footer-links-title{
            font-size:0.85rem;
            font-weight:600;
            color:#fff;
            margin-bottom:var(--spacing-sm);
            letter-spacing:0.01em;
        }
        .footer-links{
            display:flex;
            flex-direction:column;
            gap:0.4rem;
        }
        .footer-links a{
            font-size:0.85rem;
            color:rgba(255,255,255,0.55);
            transition:color var(--transition-fast);
        }
        .footer-links a:hover{color:#fff}
        .footer-bottom{
            display:flex;
            align-items:center;
            justify-content:space-between;
            flex-wrap:wrap;
            gap:var(--spacing-sm);
            padding-top:var(--spacing-md);
            border-top:1px solid rgba(255,255,255,0.08);
            font-size:0.8rem;
            color:rgba(255,255,255,0.35);
        }
        @media(max-width:520px){
            .footer-bottom{flex-direction:column;text-align:center}
        }

        /* ============ 响应式补充 ============ */
        @media(max-width:1024px){
            .content-layout{grid-template-columns:1fr}
            .sidebar{flex-direction:row;flex-wrap:wrap;position:static}
            .sidebar>*{flex:1 1 260px;min-width:240px}
        }
        @media(max-width:640px){
            .articles-grid{grid-template-columns:1fr}
            .sidebar{flex-direction:column}
            .sidebar>*{flex:1 1 auto;min-width:0;max-width:100%}
            .featured-strip-scroll{gap:var(--spacing-sm)}
            .featured-card{flex:0 0 220px;min-width:200px}
        }