/* roulang page: index */
:root {
            --bg-primary: #0E0C1A;
            --bg-card: #181428;
            --bg-card-hover: #1E1932;
            --accent: #FF5C1A;
            --accent-hover: #FF6E33;
            --accent-soft: rgba(255, 92, 26, 0.12);
            --gold: #E8A93D;
            --gold-soft: rgba(232, 169, 61, 0.15);
            --text-primary: #F5F0EB;
            --text-secondary: #C4BCB4;
            --text-muted: #8A8278;
            --border-card: rgba(255, 255, 255, 0.06);
            --border-input: rgba(255, 255, 255, 0.08);
            --success: #2DD4A8;
            --success-soft: rgba(45, 212, 168, 0.12);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(255, 92, 26, 0.12);
            --shadow-btn-glow: 0 0 20px rgba(255, 92, 26, 0.4);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 80px;
            --section-pad-mobile: 48px;
            --gap-desktop: 24px;
            --gap-mobile: 16px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
        }

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

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

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
        }

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

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

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

        button {
            cursor: pointer;
            background: none;
        }

        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        ul, ol {
            list-style: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(14, 12, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

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

        .nav-logo {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }

        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(255, 92, 26, 0.6);
            flex-shrink: 0;
        }

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

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--accent);
        }

        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        .nav-mega-trigger {
            position: relative;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 16px);
            right: 0;
            width: 420px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
            z-index: 1001;
        }

        .nav-mega-trigger:hover .mega-panel,
        .nav-mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-panel-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 16px;
        }

        .mega-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-card);
            border-radius: 12px;
            padding: 14px 16px;
            transition: border-color 0.25s ease, background-color 0.25s ease;
        }

        .mega-card:hover {
            border-color: var(--accent);
            background: var(--accent-soft);
        }

        .mega-card-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .mega-card-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .mega-panel-latest {
            border-top: 1px solid var(--border-card);
            padding-top: 12px;
        }

        .mega-panel-latest-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .mega-panel-latest-label i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        .mega-latest-item {
            font-size: 0.82rem;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .mega-latest-item .item-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            flex-shrink: 0;
        }

        .mega-latest-item:hover {
            color: var(--accent);
        }

        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 1.2rem;
            transition: background-color 0.25s ease;
        }

        .nav-hamburger:hover {
            background: rgba(255, 92, 26, 0.15);
            color: var(--accent);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height-mobile);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 12, 26, 0.98);
            backdrop-filter: blur(16px);
            z-index: 999;
            overflow-y: auto;
            padding: 24px;
        }

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

        .mobile-nav-link {
            display: block;
            padding: 16px 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .mobile-nav-link:hover, .mobile-nav-link.active {
            color: var(--accent);
            padding-left: 8px;
        }

        .mobile-mega-content {
            padding: 12px 0 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-top: 10px;
        }

        .mobile-mega-grid .mega-card {
            padding: 12px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
        }

        .section-alt {
            background: rgba(255, 255, 255, 0.015);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            border-radius: var(--radius-badge);
            padding: 6px 16px;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-secondary);
            max-width: 720px;
        }

        /* ===== Hero ===== */
        .hero-section {
            padding-top: calc(var(--nav-height) + 48px);
            padding-bottom: 64px;
            min-height: 620px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(255, 92, 26, 0.08) 0%, rgba(14, 12, 26, 0.95) 55%, rgba(14, 12, 26, 1) 100%);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(255, 92, 26, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            max-width: 560px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--gold);
            background: var(--gold-soft);
            border: 1px solid rgba(232, 169, 61, 0.25);
            border-radius: var(--radius-badge);
            padding: 6px 16px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(45, 212, 168, 0.5); }
            50% { box-shadow: 0 0 0 6px rgba(45, 212, 168, 0); }
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.5rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

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

        .hero-subtitle {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 520px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(255, 92, 26, 0.25);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }

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

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16/10;
            background: var(--bg-card);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: relative;
            z-index: 1;
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 12, 26, 0.15) 0%, rgba(14, 12, 26, 0.42) 60%, rgba(14, 12, 26, 0.55) 100%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-data-bar {
            position: absolute;
            bottom: 16px;
            right: 16px;
            z-index: 3;
            display: flex;
            gap: 16px;
            background: rgba(14, 12, 26, 0.85);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 14px 20px;
        }

        .hero-data-item {
            text-align: center;
        }

        .hero-data-num {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-data-label {
            font-size: 0.72rem;
            color: var(--text-secondary);
            margin-top: 4px;
            white-space: nowrap;
        }

        /* ===== 指标看板 ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-desktop);
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .metric-card:hover {
            border-color: rgba(255, 92, 26, 0.3);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            color: var(--accent);
            background: var(--accent-soft);
        }

        .metric-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* ===== 内容矩阵 ===== */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-desktop);
        }

        .matrix-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .matrix-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .matrix-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .matrix-card:hover .matrix-card-img img {
            transform: scale(1.04);
        }

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

        .matrix-card-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            display: inline-block;
            width: fit-content;
            margin-bottom: 10px;
        }

        .matrix-card-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .matrix-card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .matrix-card-link {
            margin-top: 14px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.25s ease;
        }

        .matrix-card-link:hover {
            gap: 10px;
            color: var(--accent-hover);
        }

        /* ===== 热门专题 ===== */
        .topic-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .topic-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .topic-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .topic-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .topic-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            aspect-ratio: 3/4;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            transition: all 0.3s ease;
        }

        .topic-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }

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

        .topic-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14,12,26,0.05) 0%, rgba(14,12,26,0.35) 50%, rgba(14,12,26,0.8) 100%);
            pointer-events: none;
        }

        .topic-card-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            z-index: 2;
        }

        .topic-card-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .topic-card-count {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== 结果对比 ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-desktop);
            align-items: stretch;
        }

        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all 0.3s ease;
        }

        .compare-card.recommended {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
            position: relative;
        }

        .compare-card.recommended::before {
            content: '推荐方式';
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.04em;
        }

        .compare-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-card);
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compare-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .compare-item i {
            color: var(--success);
            margin-top: 4px;
            flex-shrink: 0;
            font-size: 0.85rem;
        }

        .compare-item.negative i {
            color: var(--text-muted);
        }

        /* ===== 更新里程碑 ===== */
        .timeline-wrap {
            position: relative;
            padding-left: 32px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: rgba(255, 255, 255, 0.1);
        }

        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }

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

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(255, 92, 26, 0.5);
        }

        .timeline-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--gold);
            margin-bottom: 4px;
        }

        .timeline-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .timeline-badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            margin-left: 8px;
            background: var(--success-soft);
            color: var(--success);
        }

        /* ===== 资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-desktop);
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .news-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }

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

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

        .news-card-cat {
            background: var(--gold-soft);
            color: var(--gold);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            font-weight: 600;
            font-size: 0.68rem;
        }

        .news-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .news-card-title a:hover {
            color: var(--accent);
        }

        .news-card-summary {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            text-align: center;
            padding: 60px 24px;
            background: var(--bg-card);
            border: 1px dashed rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            color: var(--text-muted);
        }

        .news-empty i {
            font-size: 2.4rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: block;
        }

        .news-empty p {
            font-size: 0.95rem;
        }

        /* ===== 平台保障 ===== */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-desktop);
        }

        .assurance-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .assurance-card:hover {
            border-color: rgba(45, 212, 168, 0.3);
            box-shadow: 0 8px 24px rgba(45, 212, 168, 0.08);
        }

        .assurance-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            background: var(--success-soft);
            color: var(--success);
        }

        .assurance-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .assurance-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 快速解答 ===== */
        .qa-layout {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 48px;
            align-items: start;
        }

        .qa-side-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .qa-side-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .qa-list {
            display: flex;
            flex-direction: column;
        }

        .qa-item {
            border-bottom: 1px solid var(--border-card);
            padding: 14px 0;
        }

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

        .qa-question {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
        }

        .qa-question .qa-num {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 0.7rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .qa-answer {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-left: 34px;
            margin-top: 6px;
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(255, 92, 26, 0.25);
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color 0.25s ease;
        }

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

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== 转化表单 ===== */
        .form-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .form-info-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .form-info-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        .form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 32px 28px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .form-input {
            width: 100%;
            background: var(--bg-primary);
            border: 1px solid var(--border-input);
            border-radius: var(--radius-input);
            padding: 13px 16px;
            font-size: 0.92rem;
            color: var(--text-primary);
            transition: all 0.3s ease;
        }

        .form-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 92, 26, 0.15);
        }

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

        .form-submit {
            width: 100%;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(255, 92, 26, 0.25);
            margin-top: 4px;
        }

        .form-submit:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-btn-glow);
        }

        .form-submit:active {
            transform: scale(0.98);
        }

        .form-note {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
        }

        /* ===== 精选入口 ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-desktop);
        }

        .featured-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
        }

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

        .featured-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

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

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

        .featured-card-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: rgba(14, 12, 26, 0.96);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 24px;
            margin-top: 0;
        }

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

        .footer-brand {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(255, 92, 26, 0.5);
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            font-size: 0.78rem;
            color: var(--text-muted);
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-container {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero-content {
                max-width: 100%;
            }

            .hero-visual {
                max-width: 600px;
                margin: 0 auto;
            }

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

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

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

            .form-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .qa-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 48px;
                --section-pad-mobile: 36px;
            }

            .nav-links-desktop {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }

            .hero-section {
                padding-top: calc(var(--nav-height-mobile) + 32px);
                padding-bottom: 40px;
                min-height: auto;
            }

            .hero-title {
                font-size: clamp(1.75rem, 5vw, 2.25rem);
            }

            .hero-data-bar {
                position: static;
                margin-top: 16px;
                justify-content: center;
                width: 100%;
            }

            .metrics-grid,
            .assurance-grid,
            .matrix-grid,
            .news-grid,
            .compare-grid,
            .featured-grid {
                grid-template-columns: 1fr;
            }

            .topic-card {
                flex: 0 0 210px;
            }

            .timeline-wrap {
                padding-left: 22px;
            }

            .timeline-item::before {
                left: -20px;
                width: 8px;
                height: 8px;
            }

            .form-card {
                padding: 24px 20px;
            }

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

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

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

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

            .nav-container {
                padding: 0 16px;
            }

            .nav-logo {
                font-size: 1rem;
            }

            .hero-data-bar {
                flex-direction: column;
                gap: 10px;
                padding: 12px 16px;
            }

            .hero-data-item {
                display: flex;
                align-items: center;
                gap: 8px;
            }

            .hero-data-num {
                font-size: 1.1rem;
            }

            .hero-data-label {
                font-size: 0.7rem;
            }

            .section-title {
                font-size: clamp(1.3rem, 4vw, 1.6rem);
            }

            .matrix-card-body,
            .news-card-body,
            .compare-card,
            .assurance-card {
                padding: 16px;
            }

            .mega-panel {
                width: 100%;
                right: 0;
                border-radius: 12px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0E0C1A;
            --bg-card: #181428;
            --bg-card-hover: #1E1932;
            --accent: #FF5C1A;
            --accent-hover: #FF6E33;
            --accent-soft: rgba(255, 92, 26, 0.12);
            --gold: #E8A93D;
            --gold-soft: rgba(232, 169, 61, 0.15);
            --text-primary: #F5F0EB;
            --text-secondary: #C4BCB4;
            --text-muted: #8A8278;
            --border-card: rgba(255, 255, 255, 0.06);
            --border-input: rgba(255, 255, 255, 0.08);
            --success: #2DD4A8;
            --success-soft: rgba(45, 212, 168, 0.12);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(255, 92, 26, 0.12);
            --shadow-btn-glow: 0 0 20px rgba(255, 92, 26, 0.4);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 48px;
            --section-pad-mobile: 36px;
            --gap-desktop: 24px;
            --gap-mobile: 16px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(14, 12, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }
        .nav-logo {
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(255, 92, 26, 0.6);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--accent);
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent);
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }
        .nav-mega-trigger {
            position: relative;
            display: flex;
            align-items: center;
            cursor: pointer;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 16px);
            right: 0;
            width: 420px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
            z-index: 1001;
        }
        .nav-mega-trigger:hover .mega-panel,
        .nav-mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-panel-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 16px;
        }
        .mega-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-card);
            border-radius: 10px;
            padding: 14px;
            transition: border-color 0.25s ease, background 0.25s ease;
            display: block;
        }
        .mega-card:hover {
            border-color: var(--accent);
            background: var(--accent-soft);
        }
        .mega-card-title {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .mega-card-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .mega-panel-latest {
            border-top: 1px solid var(--border-card);
            padding-top: 14px;
        }
        .mega-panel-latest-label {
            font-size: 0.78rem;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .mega-latest-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 6px 0;
            transition: color 0.2s ease;
        }
        .mega-latest-item:hover {
            color: var(--accent);
        }
        .mega-latest-item .item-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .nav-hamburger {
            display: none;
            color: var(--text-primary);
            font-size: 1.3rem;
            padding: 8px;
            border-radius: 8px;
            transition: color 0.25s ease, background 0.25s ease;
        }
        .nav-hamburger:hover {
            color: var(--accent);
            background: var(--accent-soft);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height-mobile);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            background: var(--bg-card);
            border-radius: 10px;
            color: var(--text-primary);
            font-weight: 500;
            border: 1px solid var(--border-card);
            transition: border-color 0.25s ease;
        }
        .mobile-menu a:hover, .mobile-menu a.active {
            border-color: var(--accent);
            color: var(--accent);
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding-top: 32px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-card);
            background: linear-gradient(180deg, rgba(255, 92, 26, 0.05) 0%, transparent 100%);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }
        .article-h1 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            line-height: 1.4;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 12px;
            text-align: left;
        }
        /* ===== 信息条 ===== */
        .article-meta-section {
            padding-top: 16px;
            padding-bottom: 16px;
        }
        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 24px;
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-secondary);
        }
        .article-meta-item i {
            color: var(--accent);
            font-size: 0.85rem;
        }
        .article-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--gold);
            background: var(--gold-soft);
            border: 1px solid rgba(232, 169, 61, 0.3);
        }
        /* ===== 正文阅读区 ===== */
        .article-content-section {
            padding-top: 20px;
            padding-bottom: 48px;
        }
        .article-prose {
            max-width: 760px;
            margin: 0 auto;
        }
        .article-prose .article-content-html {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-prose .article-content-html p {
            margin-bottom: 0.85em;
            color: var(--text-primary);
        }
        .article-prose .article-content-html h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 2em;
            margin-bottom: 0.8em;
            line-height: 1.4;
            letter-spacing: -0.01em;
        }
        .article-prose .article-content-html h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            line-height: 1.4;
        }
        .article-prose .article-content-html h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 1.4em;
            margin-bottom: 0.5em;
        }
        .article-prose .article-content-html img {
            border-radius: 12px;
            margin: 1.5em 0;
            box-shadow: var(--shadow-card);
        }
        .article-prose .article-content-html blockquote {
            border-left: 3px solid var(--accent);
            padding: 12px 20px;
            background: var(--bg-card);
            border-radius: 0 10px 10px 0;
            margin: 1.5em 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-prose .article-content-html ul,
        .article-prose .article-content-html ol {
            margin: 1em 0 1.5em;
            padding-left: 1.5em;
            color: var(--text-primary);
        }
        .article-prose .article-content-html ul li,
        .article-prose .article-content-html ol li {
            margin-bottom: 0.5em;
        }
        .article-prose .article-content-html ul li::marker {
            color: var(--accent);
        }
        .article-prose .article-content-html a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-prose .article-content-html a:hover {
            color: var(--accent-hover);
        }
        .article-prose .article-content-html table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.9rem;
        }
        .article-prose .article-content-html table th,
        .article-prose .article-content-html table td {
            padding: 10px 14px;
            border: 1px solid var(--border-card);
            text-align: left;
        }
        .article-prose .article-content-html table th {
            background: var(--bg-card);
            color: var(--text-primary);
            font-weight: 600;
        }
        .article-not-found {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            padding: 64px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
        }
        .article-not-found-icon {
            font-size: 2.5rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .article-not-found h2 {
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .article-not-found p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        /* ===== 相关推荐 ===== */
        .related-section {
            padding-top: 48px;
            padding-bottom: 48px;
            border-top: 1px solid var(--border-card);
            background: rgba(14, 12, 26, 0.6);
        }
        .section-title {
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 24px;
            text-align: left;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            text-align: left;
            line-height: 1.7;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-desktop);
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent);
        }
        .related-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            position: relative;
        }
        .related-card-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: color 0.25s ease;
        }
        .related-card:hover .related-card-title {
            color: var(--accent);
        }
        .related-card-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .related-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .related-card-meta .badge {
            font-size: 0.72rem;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            background: var(--accent-soft);
            color: var(--accent);
            font-weight: 500;
        }
        /* ===== 订阅CTA ===== */
        .cta-section {
            padding-top: 48px;
            padding-bottom: 48px;
            border-top: 1px solid var(--border-card);
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(255, 92, 26, 0.15) 0%, rgba(24, 20, 40, 0.9) 55%, rgba(14, 12, 26, 0.95) 100%);
            border: 1px solid rgba(255, 92, 26, 0.25);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .cta-left {
            flex: 1;
            min-width: 240px;
        }
        .cta-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .cta-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.92rem;
            transition: all 0.3s ease;
            white-space: nowrap;
            min-height: 44px;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-card);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        /* ===== 返回入口 ===== */
        .back-section {
            padding-top: 32px;
            padding-bottom: 48px;
        }
        .back-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        /* ===== 页脚 ===== */
        .site-footer {
            border-top: 1px solid var(--border-card);
            padding-top: 48px;
            padding-bottom: 32px;
            background: #0B0914;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(255, 92, 26, 0.6);
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 480px;
        }
        .footer-col-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-card);
            padding-top: 20px;
            font-size: 0.78rem;
            color: var(--text-muted);
            text-align: center;
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-hamburger {
                display: flex;
                align-items: center;
            }
            .nav-container {
                gap: 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
                padding: 28px 20px;
            }
            .article-h1 {
                font-size: 1.4rem;
            }
            .article-meta-row {
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-h1 {
                font-size: 1.25rem;
                line-height: 1.5;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 6px;
            }
            .article-meta-item {
                font-size: 0.78rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .cta-title {
                font-size: 1.05rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
                min-height: 40px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0E0C1A;
            --bg-card: #181428;
            --bg-card-hover: #1E1932;
            --accent: #FF5C1A;
            --accent-hover: #FF6E33;
            --accent-soft: rgba(255, 92, 26, 0.12);
            --gold: #E8A93D;
            --gold-soft: rgba(232, 169, 61, 0.15);
            --text-primary: #F5F0EB;
            --text-secondary: #C4BCB4;
            --text-muted: #8A8278;
            --border-card: rgba(255, 255, 255, 0.06);
            --border-input: rgba(255, 255, 255, 0.08);
            --success: #2DD4A8;
            --success-soft: rgba(45, 212, 168, 0.12);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(255, 92, 26, 0.12);
            --shadow-btn-glow: 0 0 20px rgba(255, 92, 26, 0.4);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 64px;
            --section-pad-mobile: 40px;
            --gap-desktop: 24px;
            --gap-mobile: 16px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
        }

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

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        a:hover {
            color: var(--accent);
        }

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(14, 12, 26, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }
        .nav-logo {
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .nav-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(255, 92, 26, 0.6);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--accent);
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0;
            transition: color 0.25s ease;
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent);
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }
        .nav-mega-trigger {
            position: relative;
            display: flex;
            align-items: center;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 16px);
            right: 0;
            width: 460px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
            z-index: 1001;
        }
        .nav-mega-trigger:hover .mega-panel,
        .nav-mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-panel-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 16px;
        }
        .mega-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-card);
            border-radius: 10px;
            padding: 14px;
            display: block;
            transition: all 0.25s ease;
        }
        .mega-card:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            color: var(--text-primary);
        }
        .mega-card-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .mega-card-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .mega-panel-latest {
            border-top: 1px solid var(--border-card);
            padding-top: 14px;
        }
        .mega-panel-latest-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .mega-latest-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color 0.2s ease;
        }
        .mega-latest-item:hover {
            color: var(--accent);
        }
        .mega-latest-item .item-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .nav-hamburger {
            display: none;
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 4px;
            border-radius: 6px;
        }
        .nav-hamburger:hover {
            color: var(--accent);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-card);
            padding: 14px 0;
        }
        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-bar .breadcrumb-inner a {
            color: var(--text-secondary);
        }
        .breadcrumb-bar .breadcrumb-inner a:hover {
            color: var(--accent);
        }
        .breadcrumb-bar .breadcrumb-inner .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb-bar .breadcrumb-inner .current {
            color: var(--accent);
            font-weight: 500;
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(255,92,26,0.08) 0%, rgba(14,12,26,0.5) 40%, rgba(14,12,26,0.9) 100%), url('/assets/images/e3d64bc5d6b78e0f.jpg') center/cover no-repeat;
            background-size: cover;
            padding: 72px 0 56px;
            border-bottom: 1px solid var(--border-card);
            min-height: 300px;
            display: flex;
            align-items: center;
        }
        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent);
            border: 1px solid rgba(255,92,26,0.25);
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .category-hero .hero-title {
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 16px;
            border-left: 4px solid var(--accent);
            padding-left: 18px;
        }
        .category-hero .hero-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 720px;
        }

        /* ===== 统计条 ===== */
        .stats-strip {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-card);
            padding: 28px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 12px 16px;
            background: var(--bg-primary);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
        }
        .stat-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.3;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: var(--section-pad-desktop) 0;
            border-bottom: 1px solid var(--border-card);
        }
        .section-block:last-of-type {
            border-bottom: none;
        }
        .section-title {
            font-size: clamp(1.4rem, 2.4vw, 1.9rem);
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 32px;
            text-align: left;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 600px;
            line-height: 1.8;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255,92,26,0.4);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-primary);
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 16px 18px 18px;
        }
        .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .card-meta .meta-tag {
            color: var(--accent);
            background: var(--accent-soft);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            font-size: 0.7rem;
            font-weight: 500;
        }
        .card-meta .meta-time {
            color: var(--text-muted);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 0.92rem;
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--text-primary);
            box-shadow: 0 4px 12px rgba(255,92,26,0.3);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--text-muted);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-soft);
        }

        /* ===== 标签/徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 0.72rem;
            font-weight: 500;
            line-height: 1.5;
        }
        .badge-orange {
            background: var(--accent-soft);
            color: var(--accent);
            border: 1px solid rgba(255,92,26,0.25);
        }
        .badge-gold {
            background: var(--gold-soft);
            color: var(--gold);
            border: 1px solid rgba(232,169,61,0.25);
        }
        .badge-green {
            background: var(--success-soft);
            color: var(--success);
            border: 1px solid rgba(45,212,168,0.25);
        }

        /* ===== 子分类入口 ===== */
        .subcat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 16px;
        }
        .subcat-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: 12px;
            padding: 16px;
            text-align: center;
            transition: all 0.3s ease;
            display: block;
            cursor: pointer;
        }
        .subcat-item:hover {
            border-color: var(--accent);
            color: var(--text-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .subcat-item .subcat-icon {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .subcat-item .subcat-name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .subcat-item .subcat-count {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 榜单 ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: 10px;
            padding: 12px 16px;
            transition: all 0.25s ease;
        }
        .rank-item:hover {
            border-color: var(--accent);
        }
        .rank-number {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
            background: var(--accent-soft);
            color: var(--accent);
        }
        .rank-item:first-child .rank-number {
            background: var(--accent);
            color: #fff;
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-title {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-time {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: 10px;
            padding: 16px 18px;
            transition: all 0.25s ease;
        }
        .faq-item:hover {
            border-color: rgba(255,92,26,0.3);
        }
        .faq-question {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .faq-question .faq-q-mark {
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
        }
        .faq-answer {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.75;
            padding-left: 20px;
        }

        /* ===== 表单 ===== */
        .subscribe-box {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .subscribe-box .subscribe-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .subscribe-box .subscribe-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .input-field {
            width: 100%;
            background: var(--bg-primary);
            border: 1px solid var(--border-input);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: all 0.25s ease;
        }
        .input-field::placeholder {
            color: var(--text-muted);
        }
        .input-field:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255,92,26,0.15);
        }

        /* ===== 相关专题 ===== */
        .topic-scroll {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: block;
        }
        .topic-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            color: var(--text-primary);
        }
        .topic-card .topic-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .topic-card .topic-body {
            padding: 14px 16px;
        }
        .topic-card .topic-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .topic-card .topic-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-card);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(255,92,26,0.6);
            flex-shrink: 0;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 420px;
        }
        .footer-col-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-card);
            padding-top: 20px;
            font-size: 0.78rem;
            color: var(--text-muted);
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 18px;
            }
            .mega-panel {
                width: 380px;
                right: -60px;
            }
            .stats-grid {
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 40px;
                --section-pad-mobile: 32px;
                --nav-height: 56px;
            }
            body {
                padding-top: 56px;
                font-size: 15px;
            }
            .nav-links-desktop {
                display: none;
            }
            .nav-hamburger {
                display: block;
            }
            .category-hero {
                padding: 48px 0 36px;
                min-height: 240px;
            }
            .category-hero .hero-title {
                font-size: clamp(1.4rem, 5vw, 2rem);
                padding-left: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 10px 8px;
            }
            .stat-number {
                font-size: 1.3rem;
            }
            .subcat-grid {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
                gap: 12px;
            }
            .topic-scroll {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-desc {
                max-width: 100%;
            }
            .section-title {
                font-size: 1.3rem;
                margin-bottom: 24px;
            }
            .card-body {
                padding: 12px 14px 14px;
            }
        }
        @media (max-width: 520px) {
            .section-block {
                padding: var(--section-pad-mobile) 0;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stat-item {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 10px 16px;
            }
            .stat-number {
                font-size: 1.2rem;
            }
            .stat-label {
                margin-top: 0;
                text-align: right;
                font-size: 0.78rem;
            }
            .subcat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .subcat-item {
                padding: 12px 8px;
            }
            .subcat-item .subcat-icon {
                font-size: 1.3rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .mega-panel {
                position: static;
                width: 100%;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                border: none;
                padding: 0;
                margin-top: 8px;
                background: transparent;
                display: none;
            }
            .nav-mega-trigger:hover .mega-panel,
            .nav-mega-trigger:focus-within .mega-panel {
                display: block;
            }
        }

        /* 移动端导航抽屉 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14,12,26,0.98);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 16px;
            overflow-y: auto;
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu .mobile-nav-link {
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-primary);
            padding: 12px;
            border-radius: 10px;
            transition: all 0.25s ease;
        }
        .mobile-menu .mobile-nav-link:hover,
        .mobile-menu .mobile-nav-link.active {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .mobile-menu .mobile-menu-divider {
            border-top: 1px solid var(--border-card);
            margin: 8px 0;
        }