/* roulang page: index */
* { box-sizing: border-box; }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background-color: #F8FAFC;
            color: #1E293B;
            margin: 0;
            padding: 0;
            line-height: 1.6;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a { text-decoration: none; color: inherit; transition: color 0.2s; }
        img { max-width: 100%; display: block; }

        /* 导航样式 */
        .navbar {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #FF6D00;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo img { height: 32px; }
        .search-box {
            flex: 1;
            max-width: 480px;
            margin: 0 30px;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 12px 20px 12px 48px;
            border: 2px solid #E2E8F0;
            border-radius: 50px;
            background: #FFFFFF;
            font-size: 0.95rem;
            outline: none;
            transition: all 0.25s;
        }
        .search-box input:focus {
            border-color: #FF6D00;
            box-shadow: 0 0 0 4px rgba(255,109,0,0.1);
        }
        .search-box .search-icon {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: #64748B;
            font-size: 1.1rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: #334155;
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #FF6D00;
            border-bottom-color: #FF6D00;
        }
        .nav-cta {
            background: #FF6D00;
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: 50px;
            font-weight: 600;
            border: none !important;
            transition: background 0.3s;
        }
        .nav-cta:hover {
            background: #E65100;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #334155;
            cursor: pointer;
        }
        @media (max-width: 1024px) {
            .search-box { max-width: 300px; margin: 0 15px; }
            .nav-links { gap: 16px; }
        }
        @media (max-width: 768px) {
            .search-box { display: none; }
            .nav-links { display: none; }
            .mobile-menu-btn { display: block; }
            .nav-links.mobile-active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                padding: 20px;
                box-shadow: 0 20px 30px rgba(0,0,0,0.1);
                border-radius: 0 0 20px 20px;
                gap: 12px;
            }
        }

        /* Hero */
        .hero {
            background: linear-gradient(135deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.35) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            color: white;
            text-align: center;
            border-radius: 0 0 50px 50px;
            margin-bottom: 60px;
        }
        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .hero-content p {
            font-size: 1.25rem;
            opacity: 0.95;
            margin-bottom: 32px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: #FF6D00;
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            display: inline-block;
            transition: all 0.3s;
            box-shadow: 0 8px 20px rgba(255,109,0,0.25);
        }
        .btn-primary:hover {
            background: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255,109,0,0.35);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid white;
            color: white;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-outline:hover {
            background: white;
            color: #1E293B;
        }
        @media (max-width: 768px) {
            .hero-content h1 { font-size: 2.2rem; }
            .hero { min-height: 450px; border-radius: 0 0 30px 30px; }
        }

        /* 板块标题 */
        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 12px;
            color: #1E293B;
        }
        .section-subtitle {
            text-align: center;
            color: #64748B;
            margin-bottom: 48px;
            font-size: 1.05rem;
        }

        /* 游戏类型卡片 */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
            margin-bottom: 70px;
        }
        .category-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0,0,0,0.06);
            transition: all 0.3s;
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 35px rgba(255,109,0,0.12);
        }
        .category-card img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .category-card-body {
            padding: 20px 24px 24px;
        }
        .category-card-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .category-card-body p {
            color: #64748B;
            font-size: 0.9rem;
        }

        /* 资讯列表 */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
            margin-bottom: 60px;
        }
        .news-card {
            background: white;
            border-radius: 18px;
            padding: 24px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
            transition: all 0.25s;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: 0 12px 28px rgba(255,109,0,0.1);
        }
        .news-card .news-category {
            display: inline-block;
            background: #FFF3E0;
            color: #FF6D00;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            width: fit-content;
        }
        .news-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #1E293B;
        }
        .news-card p {
            color: #475569;
            font-size: 0.92rem;
            margin-bottom: 16px;
            flex: 1;
        }
        .news-card .news-date {
            color: #94A3B8;
            font-size: 0.8rem;
            margin-top: auto;
        }
        .news-empty {
            text-align: center;
            color: #64748B;
            font-size: 1.05rem;
            padding: 40px;
            grid-column: 1 / -1;
        }

        /* 数据统计 */
        .stats-section {
            background: linear-gradient(135deg, #FF8A50 0%, #FF6D00 100%);
            border-radius: 30px;
            padding: 56px 30px;
            color: white;
            margin-bottom: 70px;
        }
        .stats-grid {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            text-align: center;
        }
        .stat-item h3 {
            font-size: 2.5rem;
            font-weight: 800;
        }
        .stat-item p {
            font-size: 1rem;
            opacity: 0.9;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .stats-grid { gap: 30px; }
            .stat-item { width: 45%; }
        }

        /* 安全保障 / 信任 */
        .trust-grid {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-bottom: 70px;
        }
        .trust-item {
            text-align: center;
            max-width: 200px;
        }
        .trust-icon {
            font-size: 2.4rem;
            color: #FF6D00;
            margin-bottom: 12px;
        }
        .trust-item h4 {
            font-weight: 700;
            margin-bottom: 6px;
        }
        .trust-item p {
            color: #64748B;
            font-size: 0.9rem;
        }

        /* FAQ */
        .faq-section {
            margin-bottom: 70px;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: white;
            border-radius: 14px;
            margin-bottom: 12px;
            padding: 20px 24px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
            cursor: pointer;
            transition: all 0.2s;
        }
        .faq-item:hover {
            box-shadow: 0 6px 18px rgba(255,109,0,0.08);
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-answer {
            margin-top: 10px;
            color: #475569;
            font-size: 0.95rem;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-radius: 30px;
            padding: 70px 30px;
            text-align: center;
            color: white;
            margin-bottom: 70px;
            position: relative;
        }
        .cta-section::before {
            content: '';
            background: rgba(0,0,0,0.55);
            position: absolute;
            inset: 0;
            border-radius: 30px;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 1.1rem;
            margin-bottom: 32px;
            opacity: 0.9;
        }

        /* Footer */
        .footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 50px 0 30px;
            border-radius: 40px 40px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-column h4 {
            color: white;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-column a {
            display: block;
            color: #94A3B8;
            margin-bottom: 8px;
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .footer-column a:hover {
            color: #FFB74D;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: #64748B;
        }
        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF5E14;
            --primary-dark: #E04D0A;
            --primary-light: #FF7E3F;
            --secondary: #1A1A2E;
            --accent: #F7B731;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-dark: #0F0F1A;
            --bg-card: #FFFFFF;
            --text: #1E293B;
            --text-light: #64748B;
            --text-white: #F1F5F9;
            --border: #E2E8F0;
            --border-light: #F1F5F9;
            --radius-sm: 8px;
            --radius: 12px;
            --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: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.09), 0 4px 8px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12), 0 6px 12px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 72px;
            --section-gap: 72px;
            --card-gap: 24px;
        }

        *,
        *::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: 1.65;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* Header & Navigation - 搜索主导型 */
        .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(--border);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 24px;
        }

        .logo {
            flex-shrink: 0;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .logo i {
            font-size: 1.5rem;
            color: var(--primary);
        }

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

        .search-box-wrapper {
            flex: 1;
            max-width: 440px;
            position: relative;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 2px solid var(--border);
            border-radius: 30px;
            padding: 10px 18px;
            transition: all var(--transition);
            gap: 10px;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            background: var(--bg-white);
            box-shadow: 0 0 0 4px rgba(255, 94, 20, 0.08);
        }

        .search-box i {
            color: var(--text-light);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.95rem;
            color: var(--text);
            min-width: 0;
        }

        .search-box input::placeholder {
            color: #94A3B8;
        }

        .search-box button {
            flex-shrink: 0;
            background: var(--primary);
            color: #fff;
            border-radius: 20px;
            padding: 7px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .search-box button:hover {
            background: var(--primary-dark);
            transform: scale(1.03);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(255, 94, 20, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(255, 94, 20, 0.35);
        }

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

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--bg);
            color: var(--primary);
        }

        /* Category Hero */
        .category-hero {
            background: linear-gradient(160deg, #1A1A2E 0%, #16213E 40%, #0F3460 100%);
            padding: 56px 0 52px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 94, 20, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(247, 183, 49, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .category-hero-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .category-hero-text {
            flex: 1;
        }

        .category-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .category-breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition-fast);
        }

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

        .category-breadcrumb span {
            color: rgba(255, 255, 255, 0.45);
        }

        .category-hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .category-hero-text h1 span {
            color: var(--primary);
        }

        .category-hero-text .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 560px;
        }

        .category-hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .hero-stat-item i {
            font-size: 1.3rem;
            color: var(--accent);
        }

        .hero-stat-item .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
        }

        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .category-hero-image {
            flex-shrink: 0;
            width: 280px;
            height: 200px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 3px solid rgba(255, 255, 255, 0.15);
        }

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

        /* Filter Tags */
        .filter-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: sticky;
            top: var(--nav-height);
            z-index: 50;
        }

        .filter-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-tags .filter-label {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 22px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-light);
            background: var(--bg);
            border: 1.5px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            user-select: none;
        }

        .filter-tag:hover {
            color: var(--primary);
            background: rgba(255, 94, 20, 0.05);
            border-color: rgba(255, 94, 20, 0.2);
        }

        .filter-tag.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 3px 10px rgba(255, 94, 20, 0.3);
        }

        /* Main Content Area */
        .category-main {
            padding: var(--section-gap) 0;
        }

        .category-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        /* Article Cards Grid */
        .articles-section-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .articles-section-title i {
            color: var(--primary);
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }

        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 94, 20, 0.2);
        }

        .article-card-image {
            width: 100%;
            height: 180px;
            position: relative;
            overflow: hidden;
            background: #E2E8F0;
        }

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

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

        .article-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 14px;
            z-index: 2;
            letter-spacing: 0.02em;
        }

        .article-card-badge.hot {
            background: #EF4444;
        }

        .article-card-badge.new {
            background: #10B981;
        }

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

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .article-card-meta i {
            font-size: 0.7rem;
            margin-right: 3px;
        }

        .article-card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 10px;
            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(--primary);
        }

        .article-card-excerpt {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .article-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }

        .article-card-footer .read-more {
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .article-card-footer .read-more:hover {
            gap: 8px;
        }

        /* Sidebar */
        .sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 56px);
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--primary);
            font-size: 1rem;
        }

        .hot-list-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 11px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

        .hot-list-item:hover {
            padding-left: 6px;
        }

        .hot-list-rank {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .hot-list-item:nth-child(1) .hot-list-rank {
            background: #FF5E14;
            color: #fff;
        }

        .hot-list-item:nth-child(2) .hot-list-rank {
            background: #F7B731;
            color: #fff;
        }

        .hot-list-item:nth-child(3) .hot-list-rank {
            background: #3B82F6;
            color: #fff;
        }

        .hot-list-info {
            flex: 1;
            min-width: 0;
        }

        .hot-list-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-list-views {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 3px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            padding: 6px 14px;
            border-radius: 18px;
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--bg);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag-cloud .tag:hover {
            background: rgba(255, 94, 20, 0.08);
            color: var(--primary);
            border-color: rgba(255, 94, 20, 0.25);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #1A1A2E 100%);
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 94, 20, 0.12) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 94, 20, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 94, 20, 0.45);
        }

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

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--bg-white);
        }

        .faq-section .section-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 40px;
        }

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

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

        .faq-item:hover {
            border-color: rgba(255, 94, 20, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.93rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* Load More */
        .load-more-wrap {
            text-align: center;
            margin-top: 36px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--primary);
            background: #fff;
            border: 2px solid var(--primary);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-load-more:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 94, 20, 0.3);
            transform: translateY(-2px);
        }

        /* Footer */
        .footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 52px 0 28px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-column h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-column a {
            display: block;
            font-size: 0.9rem;
            color: #94A3B8;
            padding: 6px 0;
            transition: all var(--transition-fast);
        }

        .footer-column a:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: #64748B;
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero-content {
                flex-direction: column;
                text-align: center;
            }
            .category-hero-text .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .category-hero-stats {
                justify-content: center;
            }
            .category-hero-image {
                width: 220px;
                height: 160px;
            }
            .category-hero-text h1 {
                font-size: 2rem;
            }
            .search-box-wrapper {
                max-width: 300px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --card-gap: 16px;
            }
            .header-inner {
                gap: 14px;
            }
            .search-box-wrapper {
                max-width: 200px;
            }
            .search-box button {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
            .search-box input {
                font-size: 0.85rem;
            }
            .nav-links {
                display: none;
            }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 2px solid var(--border);
                padding: 16px 20px;
                gap: 4px;
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-links.mobile-open a {
                width: 100%;
                justify-content: center;
                padding: 12px 18px;
                border-radius: var(--radius);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero-text h1 {
                font-size: 1.7rem;
            }
            .category-hero-image {
                width: 180px;
                height: 130px;
            }
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .faq-section .section-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.2rem;
            }
            .search-box-wrapper {
                max-width: 150px;
            }
            .search-box {
                padding: 8px 12px;
                gap: 6px;
            }
            .search-box input {
                font-size: 0.8rem;
            }
            .search-box button {
                padding: 6px 10px;
                font-size: 0.75rem;
                border-radius: 16px;
            }
            .category-hero-text h1 {
                font-size: 1.4rem;
            }
            .category-hero-text .hero-desc {
                font-size: 0.9rem;
            }
            .category-hero-stats {
                gap: 14px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.2rem;
            }
            .category-hero-image {
                width: 140px;
                height: 100px;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .article-card-image {
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a56db;
            --primary-dark: #143fa8;
            --primary-light: #dbeafe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fef3c7;
            --bg: #f1f5f9;
            --bg-white: #ffffff;
            --bg-dark: #0f172a;
            --bg-card: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-light: #94a3b8;
            --text-white: #f8fafc;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
            --shadow-md: 0 10px 25px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.04);
            --shadow-lg: 0 20px 40px rgba(0,0,0,0.10), 0 8px 16px rgba(0,0,0,0.05);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --max-width: 1200px;
            --nav-height: 70px;
        }

        /* ========== Reset ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            color: var(--text);
        }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            width: 100%;
            max-width: 860px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Nav ========== */
        .header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
        }
        .nav-search-wrap {
            flex: 1;
            max-width: 420px;
            position: relative;
            margin: 0 8px;
        }
        .nav-search-wrap input {
            width: 100%;
            height: 42px;
            border: 2px solid var(--border);
            border-radius: 25px;
            padding: 0 44px 0 18px;
            font-size: 0.95rem;
            color: var(--text);
            background: var(--bg);
            transition: all var(--transition);
        }
        .nav-search-wrap input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            box-shadow: 0 0 0 4px rgba(26,86,219,0.08);
        }
        .nav-search-wrap input::placeholder {
            color: var(--text-light);
        }
        .nav-search-btn {
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
            font-size: 0.9rem;
        }
        .nav-search-btn:hover {
            background: var(--primary-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            flex-shrink: 0;
        }
        .mobile-menu-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .mobile-menu-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15,23,42,0.6);
            z-index: 999;
        }
        .mobile-nav-overlay.show {
            display: block;
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 280px;
            bottom: 0;
            background: var(--bg-white);
            z-index: 1001;
            padding: 20px;
            box-shadow: var(--shadow-lg);
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-nav-panel.show {
            display: flex;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-nav-panel .mobile-search {
            margin-bottom: 8px;
        }
        .mobile-nav-panel .mobile-search input {
            width: 100%;
            height: 42px;
            border: 2px solid var(--border);
            border-radius: 25px;
            padding: 0 16px;
            font-size: 0.95rem;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrap {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-light);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ========== Main ========== */
        .main {
            flex: 1;
            padding: 32px 0 48px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        /* ========== 文章主体 ========== */
        .article-main {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .article-cover {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
            background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
        }
        .article-body {
            padding: 32px 36px 40px;
        }
        .article-category-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent-dark);
            margin-bottom: 14px;
        }
        .article-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding-bottom: 20px;
            margin-bottom: 24px;
            border-bottom: 1px solid var(--border-light);
            flex-wrap: wrap;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-light);
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
            word-break: break-word;
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 32px 0 14px;
            color: var(--text);
            padding-left: 14px;
            border-left: 4px solid var(--primary);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--text);
        }
        .article-content p {
            margin-bottom: 16px;
        }
        .article-content ul, .article-content ol {
            margin: 12px 0 20px;
            padding-left: 24px;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 20px 0;
            max-width: 100%;
        }
        .article-content blockquote {
            margin: 20px 0;
            padding: 16px 20px;
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--primary-dark);
        }
        .article-content code {
            background: var(--bg);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: #e11d48;
        }
        .article-tags {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .article-tags .tags-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .article-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.82rem;
            background: var(--bg);
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
        }
        .article-tag:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 20px);
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 24px;
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-light);
            position: relative;
        }
        .sidebar-card h4::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }
        .sidebar-article-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .sidebar-article-item:last-child {
            border-bottom: none;
        }
        .sidebar-article-item:hover {
            opacity: 0.8;
        }
        .sidebar-article-thumb {
            width: 70px;
            height: 52px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #e2e8f0;
        }
        .sidebar-article-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-article-info .sa-title {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-article-info .sa-date {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
            border-radius: var(--radius-lg);
            padding: 24px;
            color: #fff;
            text-align: center;
        }
        .sidebar-cta h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 8px;
            border: none;
            padding: 0;
        }
        .sidebar-cta h4::after {
            display: none;
        }
        .sidebar-cta p {
            font-size: 0.88rem;
            opacity: 0.9;
            margin-bottom: 16px;
            line-height: 1.5;
        }
        .sidebar-cta .btn-cta-side {
            display: inline-block;
            padding: 10px 28px;
            background: #fff;
            color: var(--primary);
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
        }
        .sidebar-cta .btn-cta-side:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        }

        /* ========== 推荐阅读 ========== */
        .recommend-section {
            margin-top: 40px;
        }
        .recommend-section .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .recommend-section .section-title::before {
            content: '';
            width: 4px;
            height: 22px;
            background: var(--accent);
            border-radius: 2px;
        }
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .recommend-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition-slow);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .recommend-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .recommend-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: #e2e8f0;
        }
        .recommend-card-body {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .recommend-card-body .rc-cat {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .recommend-card-body .rc-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .recommend-card-body .rc-date {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 8px;
        }

        /* ========== 空状态 ========== */
        .empty-state {
            text-align: center;
            padding: 80px 40px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .empty-state .empty-icon {
            font-size: 4rem;
            margin-bottom: 20px;
            opacity: 0.5;
        }
        .empty-state h2 {
            font-size: 1.5rem;
            color: var(--text);
            margin-bottom: 10px;
        }
        .empty-state p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .empty-state .btn-back {
            display: inline-block;
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            border-radius: 25px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .empty-state .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1a56db 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            margin-top: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
            margin-bottom: 24px;
            font-size: 1.05rem;
            position: relative;
        }
        .cta-section .btn-cta-large {
            display: inline-block;
            padding: 14px 40px;
            background: var(--accent);
            color: #1e293b;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            position: relative;
            cursor: pointer;
            letter-spacing: 0.02em;
        }
        .cta-section .btn-cta-large:hover {
            background: #fbbf24;
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(245,158,11,0.35);
        }

        /* ========== Footer ========== */
        .footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-column h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-column a {
            display: block;
            color: #94a3b8;
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-column a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: #64748b;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-cover {
                height: 280px;
            }
            .article-body {
                padding: 24px 20px 32px;
            }
            .article-title {
                font-size: 1.6rem;
            }
            .nav-search-wrap {
                max-width: 260px;
            }
        }
        @media (max-width: 768px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar {
                position: static;
                gap: 16px;
            }
            .article-cover {
                height: 220px;
            }
            .article-body {
                padding: 20px 16px 28px;
            }
            .article-title {
                font-size: 1.4rem;
            }
            .article-content {
                font-size: 1rem;
                line-height: 1.8;
            }
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .nav-search-wrap {
                max-width: none;
                flex: 1;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .header-inner {
                gap: 10px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .recommend-grid {
                grid-template-columns: 1fr;
            }
            .article-cover {
                height: 180px;
            }
            .article-title {
                font-size: 1.25rem;
            }
            .article-body {
                padding: 16px 12px 24px;
            }
            .article-meta {
                gap: 8px;
                font-size: 0.82rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb {
                font-size: 0.8rem;
                gap: 4px;
            }
            .cta-section {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.15rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .main {
                padding: 20px 0 32px;
            }
            .recommend-card-img {
                height: 140px;
            }
            .sidebar-card {
                padding: 16px;
            }
        }