/* roulang page: index */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #2d4a7a;
            --color-accent: #c8944a;
            --color-accent-light: #e8c980;
            --color-bg: #f5f6f8;
            --color-white: #ffffff;
            --color-text: #1a1a2e;
            --color-text-light: #6b7280;
            --color-text-lighter: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.10), 0 4px 8px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.14), 0 8px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
            --header-height: 68px;
            --header-height-mobile: 56px;
        }

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

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

        body {
            font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            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;
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 148, 74, 0.15);
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            gap: 24px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 17px;
            letter-spacing: -1px;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .main-nav li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav li a:hover {
            color: var(--color-primary);
            background: rgba(26, 39, 68, 0.05);
        }
        .main-nav li a.active {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(200, 148, 74, 0.08);
        }
        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-search-toggle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            font-size: 16px;
        }
        .btn-search-toggle:hover {
            color: var(--color-primary);
            background: rgba(26, 39, 68, 0.06);
        }
        .btn-subscribe {
            padding: 9px 20px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.2px;
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(200, 148, 74, 0.3);
        }
        .btn-subscribe:hover {
            background: #b8863a;
            box-shadow: 0 4px 16px rgba(200, 148, 74, 0.4);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(26, 39, 68, 0.06);
        }

        .search-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 20px;
            margin-top: 8px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-xl);
            padding: 14px;
            width: 300px;
            z-index: 99;
            border: 1px solid var(--color-border);
        }
        .search-dropdown.active {
            display: block;
        }
        .search-dropdown form {
            display: flex;
            gap: 8px;
        }
        .search-dropdown input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 50px;
            border: 1px solid var(--color-border);
            font-size: 14px;
        }
        .search-dropdown button {
            padding: 10px 16px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            transition: background var(--transition-fast);
        }
        .search-dropdown button:hover {
            background: var(--color-primary-light);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0f1a30 0%, #1a2744 30%, #1e3a5f 60%, #1a2744 100%);
            overflow: hidden;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(26, 39, 68, 0.5) 0%, rgba(15, 26, 48, 0.85) 70%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 60px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 7px 18px;
            font-size: 13px;
            color: #e8c980;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #4ade80;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
            }
            50% {
                opacity: 0.6;
                box-shadow: 0 0 0 10px rgba(74, 222, 128, 0);
            }
        }
        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }
        .hero-title .accent {
            color: #e8c980;
            position: relative;
        }
        .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            padding: 14px 30px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            box-shadow: 0 6px 20px rgba(200, 148, 74, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-primary:hover {
            background: #b8863a;
            box-shadow: 0 8px 28px rgba(200, 148, 74, 0.5);
            transform: translateY(-2px);
        }
        .btn-hero-outline {
            padding: 14px 30px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* ========== TICKER BAR ========== */
        .ticker-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border-light);
            padding: 10px 0;
            overflow: hidden;
            position: relative;
            z-index: 5;
        }
        .ticker-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            white-space: nowrap;
            animation: ticker-scroll 40s linear infinite;
        }
        .ticker-label {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: #fff;
            background: #c0392b;
            padding: 4px 12px;
            border-radius: 3px;
            flex-shrink: 0;
        }
        .ticker-tag {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            padding: 5px 14px;
            background: rgba(26, 39, 68, 0.05);
            border-radius: 50px;
            flex-shrink: 0;
            transition: background var(--transition-fast);
            cursor: pointer;
        }
        .ticker-tag:hover {
            background: rgba(26, 39, 68, 0.1);
        }
        .ticker-sep {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }
        @keyframes ticker-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-dark {
            background: var(--color-primary);
            color: #fff;
        }
        .section-light {
            background: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header-left {
            text-align: left;
            margin-bottom: 36px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--color-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cards-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .cards-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .feature-card .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            background: rgba(26, 39, 68, 0.06);
            color: var(--color-primary);
            transition: all var(--transition-base);
        }
        .feature-card:hover .card-icon {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.65;
        }

        /* ========== CONTENT CARDS ========== */
        .content-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .content-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .content-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .content-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .content-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .content-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 3px;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .content-card .card-body {
            padding: 18px 20px;
        }
        .content-card .card-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card .card-body .card-meta {
            font-size: 12px;
            color: var(--color-text-lighter);
            display: flex;
            gap: 14px;
            align-items: center;
        }

        /* ========== NEWS LIST ========== */
        .news-list-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .news-list-item:hover {
            padding-left: 8px;
            background: rgba(26, 39, 68, 0.02);
            border-radius: var(--radius-sm);
            margin: 0 -8px;
            padding-left: 16px;
            padding-right: 8px;
        }
        .news-list-item .news-thumb {
            width: 90px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #e5e7eb;
        }
        .news-list-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.45;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .news-info .news-excerpt {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }
        .news-list-item .news-info .news-meta {
            font-size: 11px;
            color: var(--color-text-lighter);
        }

        /* ========== TWO COLUMN ========== */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 32px;
            align-items: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .sidebar-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
        }
        .sidebar-list-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--color-border-light);
            align-items: center;
        }
        .sidebar-list-item:last-child {
            border-bottom: none;
        }
        .sidebar-list-item .rank-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .sidebar-list-item .rank-num.top {
            background: #c0392b;
        }
        .sidebar-list-item span {
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.4;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .sidebar-list-item span:hover {
            color: var(--color-accent);
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 24px;
        }
        .stat-number {
            font-size: 44px;
            font-weight: 800;
            color: #e8c980;
            letter-spacing: -1px;
            margin-bottom: 6px;
            line-height: 1;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item.active {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(26, 39, 68, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a2744 0%, #1e3a5f 50%, #2d4a7a 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            font-size: 16px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-hero-primary {
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1a30;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 22px;
            display: block;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #e8c980;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .two-col {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-title {
                font-size: 38px;
            }
            .section-title {
                font-size: 26px;
            }
            .cta-section {
                padding: 40px 28px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 20px;
                gap: 2px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border);
                z-index: 99;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-actions .btn-subscribe {
                display: none;
            }
            .header-actions .btn-subscribe-mobile {
                display: inline-flex;
                padding: 8px 16px;
                font-size: 13px;
            }
            .hero-section {
                min-height: 460px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .cards-grid,
            .cards-grid-3,
            .cards-grid-2 {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 32px;
            }
            .section {
                padding: 42px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .two-col {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 32px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 21px;
            }
            .news-list-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-list-item .news-thumb {
                width: 100%;
                height: 140px;
            }
            .search-dropdown {
                width: calc(100vw - 40px);
                right: 10px;
            }
            .ticker-bar {
                padding: 8px 0;
            }
            .ticker-inner {
                gap: 16px;
                animation-duration: 25s;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
                padding: 13px 20px;
                font-size: 14px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 28px;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .feature-card {
                padding: 20px 18px;
            }
            .content-card .card-body {
                padding: 14px 15px;
            }
            .content-card .card-body h3 {
                font-size: 14px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: article */
:root {
            --color-brand-600: #1e40af;
            --color-brand-700: #1e3a8a;
            --color-brand-800: #172554;
            --color-accent-500: #dc2626;
            --color-neutral-50: #fafafa;
            --color-neutral-100: #f5f5f5;
            --color-neutral-200: #e5e5e5;
            --color-neutral-300: #d4d4d4;
            --color-neutral-500: #737373;
            --color-neutral-600: #525252;
            --color-neutral-700: #404040;
            --color-neutral-800: #262626;
            --color-neutral-900: #171717;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 2px 8px rgba(0,0,0,0.08), 0 8px 32px rgba(0,0,0,0.06);
            --shadow-nav: 0 1px 0 rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.03);
            --radius-xl: 0.75rem;
            --radius-2xl: 1rem;
            --radius-3xl: 1.25rem;
        }
        *,
        *::before,
        *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body { font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif; line-height: 1.7; color: var(--color-neutral-800); background-color: #f8fafc; min-height: 100vh; }
        a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; border: none; font-family: inherit; }
        ul, ol { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        @media (max-width: 1024px) { .container { padding: 0 16px; } }
        @media (max-width: 520px) { .container { padding: 0 12px; } }
        .site-header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: var(--shadow-nav); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0 0; height: 60px; }
        .logo-link { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.25rem; color: var(--color-brand-700); white-space: nowrap; letter-spacing: -0.01em; }
        .logo-link i { color: var(--color-accent-500); font-size: 1.35rem; }
        .logo-link:hover { color: var(--color-brand-600); }
        .main-nav { display: flex; align-items: center; gap: 4px; }
        .main-nav li a { display: inline-flex; align-items: center; padding: 8px 16px; border-radius: 8px; font-size: 0.925rem; font-weight: 500; color: var(--color-neutral-600); transition: all 0.2s ease; white-space: nowrap; }
        .main-nav li a:hover { color: var(--color-brand-600); background: #eff6ff; }
        .main-nav li a.active { color: var(--color-brand-700); background: #dbeafe; font-weight: 600; }
        .header-actions { display: flex; align-items: center; gap: 10px; }
        .btn-search-header { width: 38px; height: 38px; border-radius: 50%; background: var(--color-neutral-100); display: flex; align-items: center; justify-content: center; color: var(--color-neutral-500); transition: all 0.2s ease; font-size: 0.95rem; }
        .btn-search-header:hover { background: #dbeafe; color: var(--color-brand-600); }
        .mobile-menu-btn { display: none; width: 38px; height: 38px; border-radius: 8px; background: var(--color-neutral-100); flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
        .mobile-menu-btn span { display: block; width: 20px; height: 2px; background: var(--color-neutral-700); border-radius: 2px; transition: all 0.3s ease; }
        @media (max-width: 768px) {
            .main-nav { position: fixed; top: 60px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 12px 16px; gap: 2px; box-shadow: 0 8px 24px rgba(0,0,0,0.08); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: all 0.3s ease; z-index: 99; }
            .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .main-nav li a { width: 100%; padding: 12px 16px; border-radius: 10px; }
            .mobile-menu-btn { display: flex; }
            .header-actions .btn-search-header { display: none; }
        }
        @media (max-width: 520px) {
            .header-inner { height: 52px; }
            .logo-link { font-size: 1.1rem; }
            .main-nav { top: 52px; }
        }
        .article-banner { position: relative; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; min-height: 340px; display: flex; align-items: flex-end; padding: 60px 0 40px; }
        .article-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,23,42,0.35) 0%, rgba(15,23,42,0.75) 100%); z-index: 1; }
        .article-banner .container { position: relative; z-index: 2; width: 100%; }
        .banner-category { display: inline-block; padding: 5px 14px; border-radius: 20px; background: rgba(255,255,255,0.18); backdrop-filter: blur(8px); color: #fff; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.03em; margin-bottom: 12px; border: 1px solid rgba(255,255,255,0.25); }
        .banner-title { font-size: 2rem; font-weight: 700; color: #fff; line-height: 1.35; max-width: 800px; text-shadow: 0 2px 8px rgba(0,0,0,0.3); }
        .banner-meta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 12px; color: rgba(255,255,255,0.85); font-size: 0.875rem; align-items: center; }
        .banner-meta span { display: inline-flex; align-items: center; gap: 5px; }
        @media (max-width: 768px) {
            .article-banner { min-height: 240px; padding: 40px 0 24px; }
            .banner-title { font-size: 1.4rem; }
        }
        @media (max-width: 520px) {
            .article-banner { min-height: 200px; padding: 30px 0 20px; }
            .banner-title { font-size: 1.2rem; }
            .banner-meta { gap: 10px; font-size: 0.78rem; }
        }
        .breadcrumb { padding: 14px 0; font-size: 0.85rem; color: var(--color-neutral-500); display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
        .breadcrumb a { color: var(--color-brand-600); }
        .breadcrumb a:hover { color: var(--color-brand-700); text-decoration: underline; }
        .breadcrumb .sep { color: var(--color-neutral-300); margin: 0 4px; }
        .article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 32px; padding: 20px 0 40px; }
        @media (max-width: 1024px) { .article-layout { grid-template-columns: 1fr; } }
        .article-main { min-width: 0; }
        .article-content { background: #fff; border-radius: var(--radius-2xl); padding: 36px 40px; box-shadow: var(--shadow-card); line-height: 1.9; font-size: 1.05rem; color: var(--color-neutral-800); }
        .article-content h2 { font-size: 1.5rem; font-weight: 700; margin: 28px 0 14px; color: var(--color-neutral-900); }
        .article-content h3 { font-size: 1.2rem; font-weight: 600; margin: 22px 0 10px; color: var(--color-neutral-800); }
        .article-content p { margin-bottom: 16px; }
        .article-content img { border-radius: var(--radius-xl); margin: 20px 0; }
        .article-content blockquote { border-left: 4px solid var(--color-brand-600); padding: 12px 20px; margin: 20px 0; background: #f8fafc; border-radius: 0 var(--radius-xl) var(--radius-xl) 0; color: var(--color-neutral-600); font-style: italic; }
        .article-content ul, .article-content ol { margin: 12px 0 16px 20px; }
        .article-content li { margin-bottom: 6px; }
        .article-content ul li { list-style: disc; }
        .article-content ol li { list-style: decimal; }
        .article-content a { color: var(--color-brand-600); text-decoration: underline; }
        .article-content a:hover { color: var(--color-brand-700); }
        @media (max-width: 768px) { .article-content { padding: 24px 20px; font-size: 0.975rem; } }
        @media (max-width: 520px) { .article-content { padding: 18px 14px; font-size: 0.925rem; border-radius: var(--radius-xl); } }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--color-neutral-200); }
        .article-tag { display: inline-block; padding: 5px 14px; border-radius: 20px; background: #eff6ff; color: var(--color-brand-600); font-size: 0.8rem; font-weight: 500; transition: all 0.2s ease; }
        .article-tag:hover { background: #dbeafe; color: var(--color-brand-700); }
        .article-share { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
        .article-share span { font-size: 0.85rem; color: var(--color-neutral-500); }
        .article-share a { width: 36px; height: 36px; border-radius: 50%; background: var(--color-neutral-100); display: flex; align-items: center; justify-content: center; color: var(--color-neutral-500); transition: all 0.2s ease; }
        .article-share a:hover { background: var(--color-brand-600); color: #fff; }
        .sidebar { display: flex; flex-direction: column; gap: 24px; }
        @media (max-width: 1024px) { .sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; } }
        @media (max-width: 640px) { .sidebar { grid-template-columns: 1fr; } }
        .sidebar-card { background: #fff; border-radius: var(--radius-2xl); padding: 22px 20px; box-shadow: var(--shadow-card); }
        .sidebar-card h4 { font-size: 1rem; font-weight: 700; color: var(--color-neutral-900); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--color-neutral-100); display: flex; align-items: center; gap: 8px; }
        .sidebar-card h4 i { color: var(--color-accent-500); font-size: 0.85rem; }
        .sidebar-list li { padding: 8px 0; border-bottom: 1px solid var(--color-neutral-100); }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list li a { font-size: 0.875rem; color: var(--color-neutral-700); display: flex; align-items: flex-start; gap: 8px; transition: color 0.2s ease; line-height: 1.5; }
        .sidebar-list li a:hover { color: var(--color-brand-600); }
        .sidebar-list li a .num { flex-shrink: 0; width: 22px; height: 22px; border-radius: 6px; background: #eff6ff; color: var(--color-brand-600); font-size: 0.72rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
        .sidebar-list li:nth-child(1) .num { background: #fef2f2; color: #dc2626; }
        .sidebar-list li:nth-child(2) .num { background: #fff7ed; color: #ea580c; }
        .sidebar-list li:nth-child(3) .num { background: #fefce8; color: #ca8a04; }
        .section-related { padding: 40px 0 50px; }
        .section-title { font-size: 1.35rem; font-weight: 700; color: var(--color-neutral-900); margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
        .section-title::before { content: ''; width: 4px; height: 24px; background: var(--color-accent-500); border-radius: 2px; flex-shrink: 0; }
        .related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        @media (max-width: 1024px) { .related-grid { grid-template-columns: repeat(3, 1fr); } }
        @media (max-width: 768px) { .related-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; } }
        @media (max-width: 520px) { .related-grid { grid-template-columns: 1fr; } }
        .related-card { background: #fff; border-radius: var(--radius-2xl); overflow: hidden; box-shadow: var(--shadow-card); transition: all 0.3s ease; display: flex; flex-direction: column; }
        .related-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
        .related-card-img { height: 160px; overflow: hidden; position: relative; }
        .related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .related-card:hover .related-card-img img { transform: scale(1.05); }
        .related-card-body { padding: 16px 18px; flex: 1; display: flex; flex-direction: column; }
        .related-card-cat { font-size: 0.72rem; color: var(--color-brand-600); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
        .related-card-title { font-size: 0.925rem; font-weight: 600; color: var(--color-neutral-900); line-height: 1.45; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card-title a { color: inherit; }
        .related-card-title a:hover { color: var(--color-brand-600); }
        .related-card-date { font-size: 0.75rem; color: var(--color-neutral-400); margin-top: 8px; }
        @media (max-width: 520px) { .related-card-img { height: 180px; } }
        .cta-section { background: linear-gradient(135deg, #1e3a8a 0%, #172554 100%); padding: 48px 0; text-align: center; color: #fff; border-radius: var(--radius-3xl); margin: 10px 0 40px; }
        .cta-section .container { max-width: 700px; }
        .cta-section h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 10px; }
        .cta-section p { color: rgba(255,255,255,0.8); margin-bottom: 20px; font-size: 0.95rem; }
        .cta-form { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; }
        .cta-form input { flex: 1; padding: 12px 18px; border-radius: 30px; border: 2px solid rgba(255,255,255,0.25); background: rgba(255,255,255,0.1); color: #fff; font-size: 0.9rem; outline: none; transition: all 0.3s ease; }
        .cta-form input::placeholder { color: rgba(255,255,255,0.5); }
        .cta-form input:focus { border-color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.18); }
        .cta-form button { padding: 12px 28px; border-radius: 30px; background: #fff; color: var(--color-brand-700); font-weight: 600; font-size: 0.9rem; transition: all 0.3s ease; white-space: nowrap; }
        .cta-form button:hover { background: #f0f0f0; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }
        @media (max-width: 520px) {
            .cta-section { padding: 32px 16px; border-radius: var(--radius-2xl); }
            .cta-section h3 { font-size: 1.2rem; }
            .cta-form { flex-direction: column; gap: 10px; }
            .cta-form button { width: 100%; }
        }
        .not-found-section { text-align: center; padding: 80px 20px; }
        .not-found-section .icon-circle { width: 80px; height: 80px; border-radius: 50%; background: #fef2f2; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 2rem; color: #dc2626; }
        .not-found-section h2 { font-size: 1.5rem; font-weight: 700; color: var(--color-neutral-900); margin-bottom: 8px; }
        .not-found-section p { color: var(--color-neutral-500); margin-bottom: 24px; }
        .btn-back { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 30px; background: var(--color-brand-600); color: #fff; font-weight: 600; transition: all 0.3s ease; }
        .btn-back:hover { background: var(--color-brand-700); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(30,64,175,0.3); }
        .site-footer { background: #fff; border-top: 1px solid var(--color-neutral-200); padding: 40px 0 24px; margin-top: 20px; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; padding-bottom: 28px; border-bottom: 1px solid var(--color-neutral-100); }
        .footer-brand .logo-text { font-weight: 700; font-size: 1.15rem; color: var(--color-brand-700); display: block; margin-bottom: 8px; }
        .footer-brand p { font-size: 0.85rem; color: var(--color-neutral-500); line-height: 1.6; }
        .footer-col h4 { font-size: 0.9rem; font-weight: 700; color: var(--color-neutral-800); margin-bottom: 10px; }
        .footer-col ul li { margin-bottom: 6px; }
        .footer-col ul li a { font-size: 0.825rem; color: var(--color-neutral-500); transition: color 0.2s ease; }
        .footer-col ul li a:hover { color: var(--color-brand-600); }
        .footer-bottom { padding-top: 18px; text-align: center; font-size: 0.78rem; color: var(--color-neutral-400); }
        @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; } }
        @media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; gap: 18px; } .footer-brand p { font-size: 0.8rem; } }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1a365d;
            --color-primary-light: #2c5282;
            --color-primary-dark: #0f2340;
            --color-accent: #dd6b20;
            --color-accent-light: #ed8936;
            --color-accent-deep: #c05621;
            --color-red: #c0392b;
            --color-red-light: #e74c3c;
            --color-bg: #f7f8fa;
            --color-white: #ffffff;
            --color-card: #ffffff;
            --color-text: #1a202c;
            --color-text-secondary: #4a5568;
            --color-text-muted: #718096;
            --color-text-light: #a0aec0;
            --color-border: #e2e8f0;
            --color-border-light: #edf2f7;
            --color-tag-bg: #ebf4ff;
            --color-tag-text: #2b6cb0;
            --color-tag-hot-bg: #fff5f5;
            --color-tag-hot-text: #c53030;
            --color-rank-gold: #ecc94b;
            --color-rank-silver: #a0aec0;
            --color-rank-bronze: #d69e2e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.09), 0 4px 8px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.12), 0 6px 12px rgba(0,0,0,0.05);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --header-height: 64px;
            --nav-height: 48px;
            --container-max: 1260px;
            --container-narrow: 960px;
            --section-gap: 56px;
            --section-gap-sm: 36px;
        }

        /* ========== 基础 Reset ========== */
        *,*::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);
            font-size:16px;
            line-height:1.7;
            color:var(--color-text);
            background-color:var(--color-bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            min-height:100vh;
            display:flex;
            flex-direction:column;
        }
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast);}
        a:hover{color:var(--color-accent);}
        img{max-width:100%;height:auto;display:block;}
        button,input,select,textarea{font-family:inherit;font-size:inherit;}
        button{cursor:pointer;border:none;outline:none;}
        ul,ol{list-style:none;}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.3;color:var(--color-text);}
        h1{font-size:2rem;}
        h2{font-size:1.6rem;}
        h3{font-size:1.25rem;}
        h4{font-size:1.1rem;}

        /* ========== 容器 ========== */
        .container{max-width:var(--container-max);margin:0 auto;padding:0 24px;width:100%;}
        .container-narrow{max-width:var(--container-narrow);margin:0 auto;padding:0 24px;width:100%;}

        /* ========== Header / 吸顶导航 ========== */
        .site-header{
            background:var(--color-white);
            border-bottom:1px solid var(--color-border);
            position:sticky;
            top:0;
            z-index:1000;
            box-shadow:var(--shadow-sm);
            transition:box-shadow var(--transition-base);
        }
        .site-header.scrolled{box-shadow:var(--shadow-md);}
        .header-top{
            display:flex;
            align-items:center;
            justify-content:space-between;
            padding:0 24px;
            height:var(--header-height);
            max-width:var(--container-max);
            margin:0 auto;
            width:100%;
        }
        .logo-area{display:flex;align-items:center;gap:10px;flex-shrink:0;}
        .logo-icon{
            width:40px;height:40px;border-radius:var(--radius-sm);
            background:var(--color-primary);
            display:flex;align-items:center;justify-content:center;
            color:#fff;font-weight:800;font-size:18px;letter-spacing:1px;
            flex-shrink:0;
        }
        .logo-text{
            font-size:1.25rem;font-weight:700;color:var(--color-primary);
            font-family:var(--font-heading);letter-spacing:0.5px;
            white-space:nowrap;
        }
        .header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
        .header-search{
            display:flex;align-items:center;gap:0;
            background:var(--color-bg);
            border-radius:24px;
            overflow:hidden;
            border:1px solid var(--color-border);
            transition:all var(--transition-fast);
        }
        .header-search:focus-within{
            border-color:var(--color-accent);
            box-shadow:0 0 0 3px rgba(221,107,32,0.1);
        }
        .header-search input{
            border:none;background:transparent;padding:9px 16px;
            font-size:0.9rem;outline:none;width:180px;color:var(--color-text);
        }
        .header-search input::placeholder{color:var(--color-text-light);}
        .header-search button{
            background:var(--color-accent);color:#fff;
            padding:9px 16px;font-size:0.9rem;font-weight:600;
            transition:background var(--transition-fast);
            white-space:nowrap;
        }
        .header-search button:hover{background:var(--color-accent-deep);}
        .btn-outline-sm{
            padding:8px 18px;border-radius:24px;font-size:0.85rem;
            font-weight:600;border:2px solid var(--color-primary);
            color:var(--color-primary);background:transparent;
            transition:all var(--transition-fast);cursor:pointer;
            white-space:nowrap;
        }
        .btn-outline-sm:hover{background:var(--color-primary);color:#fff;}

        /* 导航栏 */
        .nav-bar{
            background:var(--color-primary);
            height:var(--nav-height);
        }
        .nav-bar .container{
            display:flex;align-items:center;justify-content:space-between;
            height:100%;
        }
        .main-nav{display:flex;align-items:center;gap:4px;height:100%;}
        .main-nav li{height:100%;display:flex;align-items:center;}
        .main-nav li a{
            display:flex;align-items:center;height:100%;
            padding:0 20px;font-size:0.95rem;font-weight:500;
            color:rgba(255,255,255,0.85);
            transition:all var(--transition-fast);
            position:relative;white-space:nowrap;
            letter-spacing:0.3px;
        }
        .main-nav li a:hover{color:#fff;background:rgba(255,255,255,0.08);}
        .main-nav li a.active{color:#fff;font-weight:700;}
        .main-nav li a.active::after{
            content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);
            width:28px;height:3px;background:var(--color-accent);
            border-radius:3px 3px 0 0;
        }
        .nav-hot-tags{display:flex;align-items:center;gap:10px;flex-shrink:0;}
        .nav-hot-tag{
            font-size:0.78rem;color:rgba(255,255,255,0.7);
            padding:4px 10px;border-radius:12px;
            background:rgba(255,255,255,0.08);
            transition:all var(--transition-fast);
            cursor:pointer;white-space:nowrap;
        }
        .nav-hot-tag:hover{color:#fff;background:rgba(255,255,255,0.18);}
        .nav-hot-tag.hot{color:var(--color-accent-light);font-weight:600;}

        /* 移动端菜单按钮 */
        .mobile-menu-btn{
            display:none;background:none;border:none;
            font-size:1.6rem;color:#fff;cursor:pointer;
            padding:4px 8px;line-height:1;
        }

        /* ========== 分类 Banner ========== */
        .category-banner{
            position:relative;
            background:linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
            padding:56px 0;
            overflow:hidden;
            min-height:240px;
            display:flex;align-items:center;
        }
        .category-banner::before{
            content:'';
            position:absolute;
            inset:0;
            background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity:0.18;
            z-index:0;
        }
        .category-banner .container{position:relative;z-index:1;}
        .breadcrumb{
            display:flex;align-items:center;gap:8px;
            font-size:0.85rem;color:rgba(255,255,255,0.7);
            margin-bottom:16px;flex-wrap:wrap;
        }
        .breadcrumb a{color:rgba(255,255,255,0.85);transition:color var(--transition-fast);}
        .breadcrumb a:hover{color:#fff;}
        .breadcrumb .sep{color:rgba(255,255,255,0.45);}
        .breadcrumb .current{color:#fff;font-weight:600;}
        .category-banner h1{
            font-size:2.4rem;color:#fff;font-weight:800;
            letter-spacing:0.5px;margin-bottom:8px;
        }
        .category-banner .banner-desc{
            font-size:1.05rem;color:rgba(255,255,255,0.8);
            max-width:600px;line-height:1.6;
        }
        .category-banner .banner-meta{
            display:flex;align-items:center;gap:20px;margin-top:14px;
            font-size:0.85rem;color:rgba(255,255,255,0.6);
            flex-wrap:wrap;
        }
        .banner-meta span{display:flex;align-items:center;gap:5px;}

        /* ========== 快讯条 ========== */
        .flash-bar{
            background:var(--color-white);
            border-bottom:1px solid var(--color-border);
            padding:10px 0;
            overflow:hidden;
        }
        .flash-bar-inner{
            display:flex;align-items:center;gap:0;
            max-width:var(--container-max);
            margin:0 auto;padding:0 24px;
        }
        .flash-label{
            flex-shrink:0;
            background:var(--color-red);
            color:#fff;font-size:0.78rem;font-weight:700;
            padding:5px 12px;border-radius:4px;
            letter-spacing:1px;margin-right:16px;
            animation:pulse-flash 2s infinite;
        }
        @keyframes pulse-flash{
            0%,100%{opacity:1;}
            50%{opacity:0.75;}
        }
        .flash-tags{
            display:flex;align-items:center;gap:12px;
            overflow-x:auto;white-space:nowrap;
            scrollbar-width:none;-ms-overflow-style:none;
            flex:1;
        }
        .flash-tags::-webkit-scrollbar{display:none;}
        .flash-tag{
            font-size:0.85rem;color:var(--color-text-secondary);
            padding:4px 0;cursor:pointer;transition:color var(--transition-fast);
            flex-shrink:0;
        }
        .flash-tag:hover{color:var(--color-accent);}
        .flash-tag.new{color:var(--color-red);font-weight:600;}

        /* ========== 主内容区布局 ========== */
        .main-content-area{padding:var(--section-gap) 0;}
        .content-layout{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start;}

        /* ========== 文章列表 ========== */
        .article-list-header{
            display:flex;align-items:center;justify-content:space-between;
            margin-bottom:24px;flex-wrap:wrap;gap:12px;
        }
        .article-list-header h2{font-size:1.35rem;color:var(--color-primary);}
        .sort-tabs{display:flex;gap:4px;background:var(--color-bg);border-radius:20px;padding:3px;}
        .sort-tab{
            padding:7px 16px;border-radius:18px;font-size:0.85rem;
            font-weight:500;color:var(--color-text-muted);
            cursor:pointer;transition:all var(--transition-fast);
            border:none;background:transparent;
        }
        .sort-tab.active{background:var(--color-white);color:var(--color-primary);font-weight:700;box-shadow:var(--shadow-sm);}
        .sort-tab:hover:not(.active){color:var(--color-text);}

        /* 文章卡片 */
        .article-card{
            display:grid;grid-template-columns:260px 1fr;
            gap:20px;background:var(--color-card);
            border-radius:var(--radius-md);
            overflow:hidden;
            box-shadow:var(--shadow-sm);
            transition:all var(--transition-base);
            margin-bottom:20px;
            border:1px solid var(--color-border-light);
        }
        .article-card:hover{
            box-shadow:var(--shadow-lg);
            transform:translateY(-2px);
            border-color:var(--color-border);
        }
        .article-card .card-img{
            width:100%;height:100%;min-height:180px;
            object-fit:cover;display:block;
            background:var(--color-bg);
        }
        .article-card .card-body{
            padding:18px 20px 18px 4px;
            display:flex;flex-direction:column;
            justify-content:center;gap:8px;
        }
        .card-body .card-tags{display:flex;gap:8px;flex-wrap:wrap;}
        .card-tag{
            display:inline-block;padding:3px 10px;border-radius:12px;
            font-size:0.75rem;font-weight:600;letter-spacing:0.3px;
            background:var(--color-tag-bg);color:var(--color-tag-text);
        }
        .card-tag.hot{background:var(--color-tag-hot-bg);color:var(--color-tag-hot-text);}
        .card-tag.accent{background:#fffaf0;color:var(--color-accent-deep);}
        .card-body h3{
            font-size:1.1rem;font-weight:700;line-height:1.45;
            color:var(--color-text);transition:color var(--transition-fast);
        }
        .article-card:hover .card-body h3{color:var(--color-primary);}
        .card-body .card-excerpt{
            font-size:0.88rem;color:var(--color-text-muted);
            line-height:1.55;display:-webkit-box;
            -webkit-line-clamp:2;-webkit-box-orient:vertical;
            overflow:hidden;
        }
        .card-body .card-meta{
            display:flex;align-items:center;gap:14px;
            font-size:0.78rem;color:var(--color-text-light);
        }
        .card-meta .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--color-text-light);}

        /* ========== 侧边栏 ========== */
        .sidebar{position:sticky;top:130px;}
        .sidebar-widget{
            background:var(--color-card);
            border-radius:var(--radius-md);
            padding:22px;
            margin-bottom:24px;
            box-shadow:var(--shadow-sm);
            border:1px solid var(--color-border-light);
        }
        .sidebar-widget h4{
            font-size:1rem;color:var(--color-primary);
            margin-bottom:16px;padding-bottom:10px;
            border-bottom:3px solid var(--color-accent);
            display:inline-block;
        }
        .rank-list{}
        .rank-item{
            display:flex;align-items:flex-start;gap:12px;
            padding:10px 0;border-bottom:1px solid var(--color-border-light);
            transition:all var(--transition-fast);
        }
        .rank-item:last-child{border-bottom:none;}
        .rank-item:hover{background:var(--color-bg);margin:0 -8px;padding-left:8px;padding-right:8px;border-radius:6px;}
        .rank-num{
            flex-shrink:0;width:26px;height:26px;border-radius:50%;
            display:flex;align-items:center;justify-content:center;
            font-size:0.8rem;font-weight:700;color:#fff;
            background:var(--color-text-muted);
        }
        .rank-item.top1 .rank-num{background:var(--color-rank-gold);color:#744210;}
        .rank-item.top2 .rank-num{background:var(--color-rank-silver);color:#2d3748;}
        .rank-item.top3 .rank-num{background:var(--color-rank-bronze);color:#744210;}
        .rank-info{flex:1;min-width:0;}
        .rank-info .rank-title{
            font-size:0.88rem;font-weight:600;color:var(--color-text);
            line-height:1.4;display:-webkit-box;
            -webkit-line-clamp:2;-webkit-box-orient:vertical;
            overflow:hidden;
            transition:color var(--transition-fast);
        }
        .rank-item:hover .rank-title{color:var(--color-accent);}
        .rank-info .rank-views{
            font-size:0.75rem;color:var(--color-text-light);margin-top:3px;
        }
        .tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
        .tag-cloud .tag{
            padding:5px 12px;border-radius:16px;
            font-size:0.78rem;font-weight:500;
            background:var(--color-bg);color:var(--color-text-secondary);
            cursor:pointer;transition:all var(--transition-fast);
            border:1px solid transparent;
        }
        .tag-cloud .tag:hover{
            background:var(--color-tag-bg);color:var(--color-tag-text);
            border-color:var(--color-tag-text);
        }
        .tag-cloud .tag.lg{font-size:0.9rem;font-weight:700;padding:7px 16px;}

        /* ========== 精选推荐 ========== */
        .featured-section{padding:var(--section-gap) 0;background:var(--color-white);}
        .section-header{
            display:flex;align-items:center;justify-content:space-between;
            margin-bottom:28px;flex-wrap:wrap;gap:12px;
        }
        .section-header h2{font-size:1.5rem;color:var(--color-primary);}
        .section-header .section-line{
            flex:1;height:2px;background:var(--color-border);
            margin-left:20px;min-width:40px;
        }
        .section-link{
            font-size:0.9rem;color:var(--color-accent);font-weight:600;
            transition:color var(--transition-fast);
        }
        .section-link:hover{color:var(--color-accent-deep);}
        .featured-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:24px;
        }
        .featured-card{
            background:var(--color-card);
            border-radius:var(--radius-md);
            overflow:hidden;
            box-shadow:var(--shadow-sm);
            transition:all var(--transition-base);
            border:1px solid var(--color-border-light);
        }
        .featured-card:hover{
            box-shadow:var(--shadow-lg);
            transform:translateY(-3px);
            border-color:var(--color-border);
        }
        .featured-card img{
            width:100%;height:200px;object-fit:cover;
            transition:transform var(--transition-slow);
        }
        .featured-card:hover img{transform:scale(1.04);}
        .featured-card .fc-body{padding:18px;}
        .fc-body h3{
            font-size:1.05rem;font-weight:700;line-height:1.4;
            margin-bottom:6px;transition:color var(--transition-fast);
        }
        .featured-card:hover .fc-body h3{color:var(--color-primary);}
        .fc-body .fc-excerpt{
            font-size:0.85rem;color:var(--color-text-muted);
            line-height:1.5;display:-webkit-box;
            -webkit-line-clamp:2;-webkit-box-orient:vertical;
            overflow:hidden;
        }
        .fc-body .fc-meta{
            font-size:0.78rem;color:var(--color-text-light);margin-top:8px;
        }

        /* ========== CTA ========== */
        .cta-section{
            padding:var(--section-gap) 0;
            background:linear-gradient(135deg,var(--color-primary-dark),var(--color-primary));
            color:#fff;text-align:center;
        }
        .cta-section h2{color:#fff;font-size:1.6rem;margin-bottom:8px;}
        .cta-section p{color:rgba(255,255,255,0.8);margin-bottom:20px;max-width:500px;margin-left:auto;margin-right:auto;font-size:0.95rem;}
        .btn-cta{
            display:inline-block;padding:12px 32px;border-radius:28px;
            font-size:1rem;font-weight:700;background:var(--color-accent);
            color:#fff;transition:all var(--transition-base);
            box-shadow:0 4px 15px rgba(221,107,32,0.4);
            letter-spacing:0.3px;
        }
        .btn-cta:hover{background:var(--color-accent-light);box-shadow:0 6px 22px rgba(221,107,32,0.55);transform:translateY(-2px);color:#fff;}

        /* ========== 分页 ========== */
        .pagination{
            display:flex;align-items:center;justify-content:center;
            gap:6px;margin-top:32px;flex-wrap:wrap;
        }
        .pagination .page-btn{
            width:38px;height:38px;border-radius:50%;
            display:flex;align-items:center;justify-content:center;
            font-size:0.9rem;font-weight:600;
            background:var(--color-white);color:var(--color-text);
            border:1px solid var(--color-border);
            cursor:pointer;transition:all var(--transition-fast);
        }
        .pagination .page-btn:hover{background:var(--color-bg);border-color:var(--color-accent);color:var(--color-accent);}
        .pagination .page-btn.active{
            background:var(--color-primary);color:#fff;border-color:var(--color-primary);
            box-shadow:var(--shadow-md);
        }
        .pagination .page-btn.arrow{font-size:1.1rem;}
        .pagination .page-dots{color:var(--color-text-muted);padding:0 4px;}

        /* ========== Footer ========== */
        .site-footer{
            background:var(--color-primary-dark);
            color:rgba(255,255,255,0.75);
            padding:48px 0 20px;
            margin-top:auto;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.4fr 1fr 1fr 1fr;
            gap:32px;margin-bottom:32px;
        }
        .footer-brand .logo-text{
            font-size:1.3rem;font-weight:700;color:#fff;
            display:block;margin-bottom:10px;
        }
        .footer-brand p{font-size:0.88rem;line-height:1.6;color:rgba(255,255,255,0.6);}
        .footer-col h4{color:#fff;font-size:0.95rem;margin-bottom:12px;}
        .footer-col ul{display:flex;flex-direction:column;gap:8px;}
        .footer-col ul li a{
            font-size:0.85rem;color:rgba(255,255,255,0.6);
            transition:color var(--transition-fast);
        }
        .footer-col ul li a:hover{color:var(--color-accent-light);}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.12);
            padding-top:18px;text-align:center;
            font-size:0.8rem;color:rgba(255,255,255,0.4);
        }

        /* ========== 响应式 ========== */
        @media (max-width:1024px){
            .content-layout{grid-template-columns:1fr 280px;gap:28px;}
            .article-card{grid-template-columns:200px 1fr;gap:14px;}
            .article-card .card-img{min-height:150px;}
            .featured-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
            .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
            .header-search input{width:130px;}
        }
        @media (max-width:768px){
            :root{--section-gap:36px;--section-gap-sm:24px;}
            .header-search{display:none;}
            .nav-hot-tags{display:none;}
            .mobile-menu-btn{display:block;}
            .main-nav{
                display:none;position:absolute;top:100%;left:0;right:0;
                background:var(--color-primary);flex-direction:column;
                padding:8px 0;box-shadow:var(--shadow-lg);
                z-index:999;height:auto;
            }
            .main-nav.open{display:flex;}
            .main-nav li{width:100%;}
            .main-nav li a{padding:12px 24px;width:100%;}
            .main-nav li a.active::after{display:none;}
            .content-layout{grid-template-columns:1fr;gap:24px;}
            .sidebar{position:static;}
            .article-card{grid-template-columns:1fr;}
            .article-card .card-img{height:200px;min-height:auto;}
            .article-card .card-body{padding:16px;}
            .card-body .card-excerpt{-webkit-line-clamp:3;}
            .featured-grid{grid-template-columns:1fr 1fr;gap:16px;}
            .category-banner h1{font-size:1.8rem;}
            .category-banner{padding:36px 0;min-height:180px;}
            .footer-grid{grid-template-columns:1fr 1fr;gap:20px;}
        }
        @media (max-width:520px){
            .container{padding:0 16px;}
            .header-top{padding:0 16px;}
            .logo-text{font-size:1rem;}
            .logo-icon{width:34px;height:34px;font-size:15px;}
            .category-banner h1{font-size:1.4rem;}
            .category-banner .banner-desc{font-size:0.9rem;}
            .category-banner{padding:28px 0;min-height:150px;}
            .article-card .card-img{height:160px;}
            .featured-grid{grid-template-columns:1fr;gap:14px;}
            .featured-card img{height:170px;}
            .section-header h2{font-size:1.25rem;}
            .flash-bar-inner{padding:0 16px;}
            .flash-label{font-size:0.7rem;padding:4px 8px;margin-right:10px;}
            .flash-tag{font-size:0.75rem;}
            .pagination .page-btn{width:32px;height:32px;font-size:0.8rem;}
            .footer-grid{grid-template-columns:1fr;gap:18px;}
            .btn-outline-sm{padding:6px 14px;font-size:0.78rem;}
            .sort-tabs{gap:2px;}
            .sort-tab{padding:6px 12px;font-size:0.78rem;}
            .sidebar-widget{padding:16px;}
        }