/* roulang page: index */
:root {
            --bg-primary: #0A1628;
            --bg-section: #0F2447;
            --bg-card: #173A6E;
            --nav-bg: #0A1628;
            --nav-link: #D9E2F0;
            --nav-link-hover: #D4A853;
            --gold: #D4A853;
            --gold-hover: #E8C77B;
            --gold-glow: rgba(212, 168, 83, 0.6);
            --text-primary: #F0F4FA;
            --text-secondary: #B8C6DB;
            --text-muted: #8FA3BB;
            --border-light: rgba(255, 255, 255, 0.12);
            --border-gold: rgba(212, 168, 83, 0.5);
            --glass-bg: rgba(15, 36, 71, 0.72);
            --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --section-padding: 4rem;
            --hero-padding: 5rem;
            --transition-base: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--nav-link);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--nav-link-hover);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 1rem;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }

        .site-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section-pad {
            padding: var(--section-padding) 0;
        }

        .section-tight {
            padding: 2.5rem 0;
        }

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

        .section-glow {
            background: radial-gradient(ellipse at 20% 10%, rgba(31, 90, 160, 0.18) 0%, transparent 60%),
                var(--bg-primary);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 780px;
            margin-bottom: 2rem;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold);
            background: rgba(212, 168, 83, 0.12);
            padding: 0.3rem 0.9rem;
            border-radius: 99px;
            border: 1px solid var(--border-gold);
            margin-bottom: 0.75rem;
        }

        .gold-text {
            color: var(--gold);
        }

        .gold-badge {
            display: inline-block;
            background: var(--gold);
            color: #0A1628;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 99px;
            letter-spacing: 0.04em;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--nav-bg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .site-logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .site-logo .logo-highlight {
            color: var(--gold);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .site-nav li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--nav-link);
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .site-nav li a:hover,
        .site-nav li a.active {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }

        .nav-cta {
            background: var(--gold);
            color: #0A1628 !important;
            font-weight: 700;
            padding: 0.55rem 1.4rem !important;
            border-radius: var(--radius-btn);
            border-bottom: none !important;
            box-shadow: 0 0 18px var(--gold-glow);
            transition: var(--transition-base);
        }

        .nav-cta:hover {
            background: var(--gold-hover);
            box-shadow: 0 0 24px var(--gold-glow);
            color: #0A1628 !important;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: 1px solid var(--border-light);
            padding: 0.6rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--nav-link);
            border-radius: 3px;
            transition: var(--transition-base);
        }

        .hamburger:hover span {
            background: var(--gold);
        }

        /* ===== Hero 优惠券墙 ===== */
        .hero-coupon-wall {
            position: relative;
            background:
                radial-gradient(ellipse at 40% 15%, rgba(31, 90, 160, 0.3) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 60%, rgba(212, 168, 83, 0.08) 0%, transparent 40%),
                var(--bg-primary);
            padding: 4.5rem 0 4rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hero-coupon-wall .hero-text {
            max-width: 900px;
            margin-bottom: 2.5rem;
        }

        .hero-coupon-wall .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

        .hero-coupon-wall .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 820px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--gold);
            color: #0A1628;
            font-weight: 700;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 20px var(--gold-glow);
            font-size: 0.95rem;
        }

        .btn-primary:hover {
            background: var(--gold-hover);
            box-shadow: 0 0 28px var(--gold-glow);
            color: #0A1628;
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 12px var(--gold-glow);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--nav-link);
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 0.95rem;
        }

        .btn-secondary:hover {
            background: rgba(23, 58, 110, 0.45);
            border-color: rgba(255, 255, 255, 0.25);
            color: var(--text-primary);
        }

        .coupon-wall-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
            margin-top: 2.5rem;
        }

        .coupon-card {
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            backdrop-filter: blur(12px);
            padding: 1.6rem 1.4rem;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            position: relative;
        }

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

        .coupon-card.featured {
            grid-column: span 2;
            grid-row: span 2;
            padding: 2rem 1.8rem;
            background: linear-gradient(160deg, rgba(31, 90, 160, 0.55) 0%, rgba(15, 36, 71, 0.85) 100%);
            border-color: var(--border-gold);
        }

        .coupon-card .coupon-tag {
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: var(--gold);
        }

        .coupon-card .coupon-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
        }

        .coupon-card.featured .coupon-title {
            font-size: 1.5rem;
        }

        .coupon-card .coupon-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .coupon-card .coupon-btn {
            align-self: flex-start;
            margin-top: auto;
        }

        .coupon-card .coupon-btn a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--gold);
            border: 1px solid var(--border-gold);
            padding: 0.45rem 1.1rem;
            border-radius: 6px;
            transition: var(--transition-base);
        }

        .coupon-card .coupon-btn a:hover {
            background: var(--gold);
            color: #0A1628;
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 0.15rem;
        }

        .hero-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--gold);
        }

        .hero-stat .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ===== 通用卡片 ===== */
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            backdrop-filter: blur(12px);
            padding: 1.6rem;
            transition: var(--transition-base);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .glass-card:hover {
            border-color: rgba(255, 255, 255, 0.22);
            box-shadow: var(--card-shadow);
            transform: translateY(-3px);
        }

        .glass-card .card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .glass-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .card-thumb {
            width: 100%;
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 1rem;
            aspect-ratio: 16/9;
            background: #0A1628;
        }

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

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

        /* ===== 左右布局：资讯流+热榜 ===== */
        .info-hot-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 2rem;
            align-items: start;
        }

        .info-list-card {
            display: flex;
            gap: 1rem;
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1rem;
            margin-bottom: 1rem;
            transition: var(--transition-base);
            backdrop-filter: blur(10px);
        }

        .info-list-card:hover {
            border-color: rgba(255, 255, 255, 0.22);
            transform: translateY(-2px);
            box-shadow: var(--card-shadow);
        }

        .info-list-thumb {
            width: 110px;
            min-width: 110px;
            height: 75px;
            border-radius: 8px;
            overflow: hidden;
        }

        .info-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .info-list-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
            min-width: 0;
        }

        .info-list-body .info-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .info-list-body .info-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .info-list-body .info-excerpt {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .btn-view-all {
            display: inline-block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--gold);
            border: 1px solid var(--border-gold);
            padding: 0.5rem 1.4rem;
            border-radius: 6px;
            transition: var(--transition-base);
        }

        .btn-view-all:hover {
            background: var(--gold);
            color: #0A1628;
        }

        /* ===== 热榜 ===== */
        .hot-rank-item {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .hot-rank-num {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--gold);
            min-width: 2rem;
            text-align: center;
        }

        .hot-rank-item .hot-rank-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .hot-rank-item .hot-rank-tag {
            font-size: 0.7rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.06);
            padding: 0.15rem 0.6rem;
            border-radius: 99px;
        }

        /* ===== 专题条 ===== */
        .topic-banner {
            background: linear-gradient(135deg, rgba(31, 90, 160, 0.5) 0%, rgba(10, 22, 40, 0.85) 100%),
                url('/assets/images/d56baf1650ecc782.webp') center/cover;
            border-radius: var(--radius-card);
            padding: 2.5rem 2.2rem;
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .topic-banner .topic-banner-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .topic-banner .topic-banner-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }

        /* ===== 数据指标 ===== */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .metric-item {
            text-align: center;
            padding: 1.8rem 1rem;
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            backdrop-filter: blur(10px);
        }

        .metric-item .metric-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
        }

        .metric-item .metric-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 0.4rem;
        }

        /* ===== 分类入口矩阵 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .category-entry {
            display: block;
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.6rem;
            transition: var(--transition-base);
            backdrop-filter: blur(10px);
        }

        .category-entry:hover {
            border-color: var(--border-gold);
            box-shadow: var(--card-shadow);
            transform: translateY(-4px);
            color: var(--text-primary);
        }

        .category-entry .entry-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }

        .category-entry .entry-desc {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== 最新动态 CMS 区 ===== */
        .latest-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .latest-card {
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            backdrop-filter: blur(10px);
            display: flex;
            flex-direction: column;
        }

        .latest-card:hover {
            border-color: rgba(255, 255, 255, 0.22);
            box-shadow: var(--card-shadow);
            transform: translateY(-3px);
        }

        .latest-card .latest-thumb {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-card);
        }

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

        .latest-card:hover .latest-thumb img {
            transform: scale(1.05);
        }

        .latest-card .latest-body {
            padding: 1.2rem 1.2rem 1.4rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            flex: 1;
        }

        .latest-card .latest-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
        }

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

        .latest-card .latest-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: auto;
        }

        .latest-card .latest-link {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--gold);
            margin-top: 0.4rem;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .latest-card .latest-link:hover {
            color: var(--gold-hover);
        }

        /* ===== 用户口碑 ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .testimonial-card {
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.6rem;
            backdrop-filter: blur(10px);
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
        }

        .testimonial-card .testimonial-user {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            margin-top: auto;
        }

        .testimonial-card .testimonial-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .testimonial-card .testimonial-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-card .testimonial-source {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ===== 媒体合作 ===== */
        .media-partners {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
            text-align: center;
        }

        .media-partner-item {
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.2rem 1rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
        }

        .media-partner-item:hover {
            border-color: var(--border-gold);
            color: var(--text-primary);
        }

        /* ===== 订阅表单 ===== */
        .subscribe-panel {
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            backdrop-filter: blur(12px);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
            justify-content: space-between;
        }

        .subscribe-panel .subscribe-info {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-panel .subscribe-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .subscribe-panel .subscribe-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .subscribe-form {
            flex: 1;
            min-width: 260px;
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            background: rgba(10, 22, 40, 0.7);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-input);
            padding: 0.65rem 1rem;
            color: var(--text-primary);
            transition: var(--transition-base);
        }

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

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--gold);
            box-shadow: 0 0 12px var(--gold-glow);
        }

        .subscribe-form button {
            background: var(--gold);
            color: #0A1628;
            font-weight: 700;
            padding: 0.65rem 1.6rem;
            border: none;
            border-radius: var(--radius-input);
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 16px var(--gold-glow);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--gold-hover);
            box-shadow: 0 0 22px var(--gold-glow);
        }

        /* ===== 保障承诺 ===== */
        .promise-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .promise-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.3rem 1.4rem;
            backdrop-filter: blur(8px);
        }

        .promise-item .promise-icon {
            font-size: 1.6rem;
            color: var(--gold);
            min-width: 2.2rem;
            text-align: center;
        }

        .promise-item .promise-text {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 0.9rem;
            overflow: hidden;
            transition: var(--transition-base);
            backdrop-filter: blur(10px);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.22);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            padding: 1.1rem 1.3rem;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            user-select: none;
            transition: var(--transition-base);
        }

        .faq-question .faq-toggle {
            min-width: 24px;
            text-align: center;
            font-size: 1.4rem;
            color: var(--gold);
            line-height: 1;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.3rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.3rem 1.3rem;
        }

        /* ===== 页脚前 CTA ===== */
        .footer-cta {
            background: linear-gradient(135deg, rgba(31, 90, 160, 0.35) 0%, rgba(10, 22, 40, 0.9) 100%);
            text-align: center;
            padding: 3.5rem 1.5rem !important;
        }

        .footer-cta .cta-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .footer-cta .cta-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #070F1D;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
        }

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

        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--gold);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom .copyright a {
            color: var(--text-muted);
        }

        .footer-bottom .copyright a:hover {
            color: var(--gold);
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 3rem;
                --hero-padding: 3.5rem;
            }

            .hero-coupon-wall .hero-title {
                font-size: 2rem;
            }

            .coupon-wall-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .coupon-card.featured {
                grid-column: span 2;
            }

            .info-hot-grid {
                grid-template-columns: 1fr;
            }

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

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

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

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

            .media-partners {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

            .site-nav {
                gap: 1.2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 2.5rem;
                --hero-padding: 3rem;
            }

            .site-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--glass-bg);
                backdrop-filter: blur(16px);
                padding: 1.5rem;
                border-bottom: 1px solid var(--border-light);
                gap: 0.8rem;
            }

            .site-nav.open {
                display: flex;
            }

            .site-nav li a {
                display: block;
                padding: 0.7rem 0;
                font-size: 1rem;
                border-bottom: none;
            }

            .site-nav li a.active,
            .site-nav li a:hover {
                border-bottom: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-cta {
                text-align: center;
            }

            .hero-coupon-wall {
                padding: 3rem 0 3rem;
            }

            .hero-coupon-wall .hero-title {
                font-size: 1.6rem;
            }

            .coupon-wall-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.9rem;
            }

            .coupon-card.featured {
                grid-column: span 2;
                grid-row: span 1;
                padding: 1.4rem 1.2rem;
            }

            .coupon-card.featured .coupon-title {
                font-size: 1.2rem;
            }

            .coupon-card {
                padding: 1.2rem 1rem;
            }

            .coupon-card .coupon-title {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 1.5rem;
            }

            .hero-stat .stat-number {
                font-size: 1.4rem;
            }

            .info-list-thumb {
                width: 80px;
                min-width: 80px;
                height: 55px;
            }

            .info-list-body .info-title {
                font-size: 0.85rem;
            }

            .metrics-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.9rem;
            }

            .metric-item {
                padding: 1.2rem 0.8rem;
            }

            .metric-item .metric-number {
                font-size: 2rem;
            }

            .category-grid {
                grid-template-columns: 1fr;
                gap: 0.9rem;
            }

            .latest-grid {
                grid-template-columns: 1fr;
                gap: 0.9rem;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 0.9rem;
            }

            .media-partners {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }

            .promise-grid {
                grid-template-columns: 1fr;
                gap: 0.8rem;
            }

            .subscribe-panel {
                flex-direction: column;
                align-items: flex-start;
                gap: 1.2rem;
                padding: 1.6rem 1.2rem;
            }

            .subscribe-form {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .topic-banner {
                padding: 1.8rem 1.4rem;
            }

            .topic-banner .topic-banner-title {
                font-size: 1.2rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .footer-cta .cta-title {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-padding: 2rem;
                --hero-padding: 2.2rem;
            }

            .site-container {
                padding: 0 1rem;
            }

            .hero-coupon-wall .hero-title {
                font-size: 1.35rem;
            }

            .hero-coupon-wall .hero-desc {
                font-size: 0.9rem;
            }

            .coupon-wall-grid {
                grid-template-columns: 1fr;
            }

            .coupon-card.featured {
                grid-column: span 1;
                grid-row: span 1;
            }

            .hero-actions {
                flex-direction: column;
                gap: 0.7rem;
            }

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

            .info-list-card {
                flex-direction: column;
                gap: 0.6rem;
            }

            .info-list-thumb {
                width: 100%;
                height: 120px;
            }

            .metrics-row {
                grid-template-columns: 1fr;
            }

            .media-partners {
                grid-template-columns: 1fr;
            }

            .glass-card {
                padding: 1.2rem;
            }

            .testimonial-card {
                padding: 1.2rem;
            }

            .topic-banner {
                padding: 1.4rem 1rem;
            }

            .footer-cta {
                padding: 2.5rem 1rem !important;
            }

            .section-subtitle {
                font-size: 0.9rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A1628;
            --bg-section: #0F2447;
            --bg-card: #173A6E;
            --nav-bg: #0A1628;
            --nav-link: #D9E2F0;
            --nav-link-hover: #D4A853;
            --gold: #D4A853;
            --gold-hover: #E8C77B;
            --gold-glow: rgba(212, 168, 83, 0.6);
            --text-primary: #F0F4FA;
            --text-secondary: #B8C6DB;
            --text-muted: #8FA3BB;
            --border-light: rgba(255, 255, 255, 0.12);
            --border-gold: rgba(212, 168, 83, 0.5);
            --glass-bg: rgba(15, 36, 71, 0.72);
            --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --section-padding: 3.5rem;
            --hero-padding: 4rem;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--nav-link);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--nav-link-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 1rem;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }
        .site-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section-pad {
            padding: var(--section-padding) 0;
        }
        .section-tight {
            padding: 2.5rem 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-glow {
            background: radial-gradient(ellipse at 20% 10%, rgba(31, 90, 160, 0.18) 0%, transparent 60%),
                var(--bg-primary);
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 780px;
            margin-bottom: 2rem;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold);
            background: rgba(212, 168, 83, 0.12);
            padding: 0.3rem 0.9rem;
            border-radius: 99px;
            border: 1px solid var(--border-gold);
            margin-bottom: 0.75rem;
        }
        .gold-badge {
            display: inline-block;
            background: var(--gold);
            color: #0A1628;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 99px;
            letter-spacing: 0.04em;
        }
        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--nav-bg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .site-logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .site-logo .logo-highlight {
            color: var(--gold);
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
        }
        .site-nav li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--nav-link);
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .site-nav li a:hover,
        .site-nav li a.active {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }
        .nav-cta {
            background: var(--gold);
            color: #0A1628 !important;
            font-weight: 700;
            padding: 0.55rem 1.4rem !important;
            border-radius: var(--radius-btn);
            border-bottom: none !important;
            box-shadow: 0 0 18px var(--gold-glow);
            transition: var(--transition-base);
        }
        .nav-cta:hover {
            background: var(--gold-hover);
            box-shadow: 0 0 24px var(--gold-glow);
            color: #0A1628 !important;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: 1px solid var(--border-light);
            padding: 0.6rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--nav-link);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            background: var(--bg-primary);
            padding: 1.5rem 0;
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            margin: 0 0.25rem;
        }
        .breadcrumb .current {
            color: var(--gold);
            font-weight: 500;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        /* ===== 文章 Hero ===== */
        .article-hero {
            background: radial-gradient(ellipse at 30% 20%, rgba(31, 90, 160, 0.22) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(212, 168, 83, 0.08) 0%, transparent 50%),
                var(--bg-primary);
            padding: 3.5rem 0 2.5rem;
            position: relative;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/24381a068793e433.jpg') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
            z-index: 0;
        }
        .article-hero .site-container {
            position: relative;
            z-index: 1;
        }
        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin: 1rem 0 1rem;
            letter-spacing: 0.02em;
            max-width: 900px;
        }
        .article-hero .article-category-tag {
            display: inline-block;
            background: rgba(212, 168, 83, 0.15);
            color: var(--gold);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.3rem 1rem;
            border-radius: 99px;
            border: 1px solid var(--border-gold);
            margin-bottom: 0.5rem;
        }
        /* ===== 文章元信息 ===== */
        .article-meta-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.25rem;
            padding: 1.25rem 1.5rem;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 2rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .article-meta-bar .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-meta-bar .meta-item i {
            color: var(--gold);
            font-size: 1rem;
        }
        /* ===== 正文阅读区 ===== */
        .article-body-wrap {
            padding: 2rem 0 3.5rem;
        }
        .article-body {
            max-width: 820px;
            margin: 0 auto;
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.85;
        }
        .article-body p {
            margin-bottom: 1.25rem;
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.4;
            margin: 2rem 0 1rem;
        }
        .article-body h2 {
            font-size: 1.6rem;
        }
        .article-body h3 {
            font-size: 1.25rem;
        }
        .article-body h4 {
            font-size: 1.1rem;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.25rem 1.5rem;
            padding: 0;
        }
        .article-body li {
            margin-bottom: 0.5rem;
        }
        .article-body blockquote {
            background: rgba(212, 168, 83, 0.08);
            border-left: 4px solid var(--gold);
            padding: 1.25rem 1.5rem;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            margin: 1.5rem 0;
            color: var(--text-primary);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-card);
            margin: 1.5rem 0;
            box-shadow: var(--card-shadow);
        }
        .article-body code {
            background: rgba(255, 255, 255, 0.08);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-family: 'SF Mono', 'Consolas', monospace;
            font-size: 0.9em;
        }
        .article-body pre {
            background: rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.25rem;
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        .article-body pre code {
            background: none;
            padding: 0;
            color: var(--text-secondary);
        }
        /* ===== 空态 ===== */
        .empty-state {
            max-width: 600px;
            margin: 3rem auto;
            text-align: center;
            padding: 3rem 2rem;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
        }
        .empty-state .empty-icon {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        .empty-state h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .empty-state p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
        }
        .empty-state a {
            display: inline-block;
            background: var(--gold);
            color: #0A1628;
            font-weight: 700;
            padding: 0.7rem 2rem;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            box-shadow: 0 0 18px var(--gold-glow);
        }
        .empty-state a:hover {
            background: var(--gold-hover);
            color: #0A1628;
            box-shadow: 0 0 24px var(--gold-glow);
        }
        /* ===== 相关推荐 ===== */
        .related-section {
            background: var(--bg-section);
            padding: 3.5rem 0;
        }
        .related-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--card-shadow);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-gold);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
        }
        .related-card .card-thumb {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .related-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .card-thumb img {
            transform: scale(1.05);
        }
        .related-card .card-tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(10, 22, 40, 0.85);
            color: var(--gold);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 99px;
            border: 1px solid var(--border-gold);
            backdrop-filter: blur(8px);
        }
        .related-card .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .related-card .card-title a {
            color: var(--text-primary);
            transition: var(--transition-base);
        }
        .related-card .card-title a:hover {
            color: var(--gold);
        }
        .related-card .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.75rem;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--text-muted);
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
        }
        .related-card .card-meta i {
            color: var(--gold);
            margin-right: 0.25rem;
        }
        /* ===== 返回 CTA ===== */
        .article-cta-section {
            background: radial-gradient(ellipse at 50% 0%, rgba(212, 168, 83, 0.12) 0%, transparent 50%),
                var(--bg-primary);
            padding: 3.5rem 0;
        }
        .article-cta-box {
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 2.5rem 2rem;
            box-shadow: var(--card-shadow);
        }
        .article-cta-box h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }
        .article-cta-box p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
        }
        .btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-gold {
            display: inline-block;
            background: var(--gold);
            color: #0A1628;
            font-weight: 700;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            box-shadow: 0 0 20px var(--gold-glow);
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn-gold:hover {
            background: var(--gold-hover);
            color: #0A1628;
            box-shadow: 0 0 28px var(--gold-glow);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--nav-link);
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn-outline:hover {
            background: rgba(23, 58, 110, 0.4);
            color: var(--gold);
            border-color: var(--border-gold);
        }
        /* ===== 分享互动区 ===== */
        .share-section {
            background: var(--bg-primary);
            padding: 2rem 0 3rem;
        }
        .share-box {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
        }
        .share-box .share-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .share-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .share-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(23, 58, 110, 0.5);
            border: 1px solid var(--border-light);
            color: var(--nav-link);
            font-size: 0.85rem;
            font-weight: 500;
            padding: 0.5rem 1.1rem;
            border-radius: 8px;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .share-btn:hover {
            background: rgba(212, 168, 83, 0.15);
            color: var(--gold);
            border-color: var(--border-gold);
        }
        .back-top-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--gold);
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .back-top-link:hover {
            color: var(--gold-hover);
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background: #080F1C;
            border-top: 1px solid var(--border-light);
            padding: 3.5rem 0 0;
            color: var(--text-secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            padding-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding: 1.25rem 0;
            text-align: center;
        }
        .copyright {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }
        .copyright a {
            color: var(--text-muted);
            text-decoration: underline;
            transition: var(--transition-base);
        }
        .copyright a:hover {
            color: var(--gold);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-hero h1 {
                font-size: 2.1rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 2.5rem;
                --hero-padding: 3rem;
            }
            .site-header .header-inner {
                min-height: 58px;
            }
            .site-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: var(--nav-bg);
                border-bottom: 1px solid var(--border-light);
                padding: 1rem 1.5rem;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }
            .site-nav.open {
                display: flex;
            }
            .site-nav li {
                width: 100%;
            }
            .site-nav li a {
                display: block;
                padding: 0.75rem 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .site-nav li a.nav-cta {
                text-align: center;
                margin-top: 0.5rem;
                border-radius: var(--radius-btn);
                padding: 0.7rem 1.5rem !important;
            }
            .hamburger {
                display: flex;
            }
            .article-hero h1 {
                font-size: 1.7rem;
            }
            .article-meta-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.6rem;
                padding: 1rem 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .share-box {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-gold,
            .btn-outline {
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-padding: 2rem;
                --hero-padding: 2.2rem;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-hero {
                padding: 2.5rem 0 1.5rem;
            }
            .breadcrumb .current {
                max-width: 160px;
            }
            .article-body {
                font-size: 0.95rem;
                line-height: 1.75;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A1628;
            --bg-section: #0F2447;
            --bg-card: #173A6E;
            --nav-bg: #0A1628;
            --nav-link: #D9E2F0;
            --nav-link-hover: #D4A853;
            --gold: #D4A853;
            --gold-hover: #E8C77B;
            --gold-glow: rgba(212, 168, 83, 0.6);
            --text-primary: #F0F4FA;
            --text-secondary: #B8C6DB;
            --text-muted: #8FA3BB;
            --border-light: rgba(255, 255, 255, 0.12);
            --border-gold: rgba(212, 168, 83, 0.5);
            --glass-bg: rgba(15, 36, 71, 0.72);
            --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --section-padding: 4rem;
            --hero-padding: 5rem;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--nav-link);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--nav-link-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 1rem;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }
        .site-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section-pad {
            padding: var(--section-padding) 0;
        }
        .section-tight {
            padding: 2.5rem 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-glow {
            background: radial-gradient(ellipse at 20% 10%, rgba(31, 90, 160, 0.18) 0%, transparent 60%),
                var(--bg-primary);
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 780px;
            margin-bottom: 2rem;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--gold);
            background: rgba(212, 168, 83, 0.12);
            padding: 0.3rem 0.9rem;
            border-radius: 99px;
            border: 1px solid var(--border-gold);
            margin-bottom: 0.75rem;
        }
        .gold-badge {
            display: inline-block;
            background: var(--gold);
            color: #0A1628;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 99px;
            letter-spacing: 0.04em;
        }
        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--nav-bg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .site-logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .site-logo .logo-highlight {
            color: var(--gold);
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .site-nav li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--nav-link);
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .site-nav li a:hover,
        .site-nav li a.active {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }
        .nav-cta {
            background: var(--gold);
            color: #0A1628 !important;
            font-weight: 700;
            padding: 0.55rem 1.4rem !important;
            border-radius: var(--radius-btn);
            border-bottom: none !important;
            box-shadow: 0 0 18px var(--gold-glow);
            transition: var(--transition-base);
        }
        .nav-cta:hover {
            background: var(--gold-hover);
            box-shadow: 0 0 24px var(--gold-glow);
            color: #0A1628 !important;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: 1px solid var(--border-light);
            padding: 0.6rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--nav-link);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-light);
            background: rgba(10, 22, 40, 0.6);
        }
        .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .breadcrumb-list li + li::before {
            content: '/';
            margin-right: 0.5rem;
            color: var(--text-muted);
        }
        .breadcrumb-list a {
            color: var(--text-secondary);
        }
        .breadcrumb-list a:hover {
            color: var(--gold);
        }
        .breadcrumb-list .current {
            color: var(--gold);
            font-weight: 600;
        }
        /* ===== Hero 分类头 ===== */
        .category-hero-section {
            position: relative;
            padding: var(--hero-padding) 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(31, 90, 160, 0.25) 0%, transparent 55%),
                url('/assets/images/24381a068793e433.jpg') center/cover no-repeat;
            background-blend-mode: overlay;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .category-hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 22, 40, 0.75) 0%, rgba(10, 22, 40, 0.9) 100%);
            pointer-events: none;
        }
        .category-hero-section .site-container {
            position: relative;
            z-index: 2;
        }
        .category-h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 0.75rem;
        }
        .category-h1 .h1-highlight {
            color: var(--gold);
        }
        .category-intro {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.8;
        }
        /* ===== 倒计时 Hero ===== */
        .launch-section {
            background: radial-gradient(ellipse at 70% 30%, rgba(212, 168, 83, 0.12) 0%, transparent 50%),
                var(--bg-section);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .launch-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 3rem;
            align-items: center;
        }
        .launch-left {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .countdown-ring {
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: conic-gradient(var(--gold) 0%, rgba(212, 168, 83, 0.15) 0%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
        }
        .countdown-ring::before {
            content: '';
            position: absolute;
            inset: 10px;
            border-radius: 50%;
            background: var(--bg-primary);
        }
        .countdown-ring-inner {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .countdown-days {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
        }
        .countdown-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.1em;
        }
        .launch-heading {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 0.75rem;
        }
        .launch-text {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 440px;
        }
        .launch-right {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: var(--card-shadow);
        }
        .launch-points {
            list-style: none;
            margin: 0 0 1.5rem;
            padding: 0;
        }
        .launch-points li {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
        }
        .launch-points li i {
            color: var(--gold);
            margin-top: 0.3rem;
            flex-shrink: 0;
        }
        .countdown-sub {
            font-size: 0.9rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 1.2rem;
        }
        .countdown-time {
            display: flex;
            gap: 1rem;
            justify-content: center;
            margin-bottom: 1.5rem;
        }
        .countdown-time .time-unit {
            background: rgba(10, 22, 40, 0.7);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 0.6rem 1rem;
            text-align: center;
            min-width: 70px;
        }
        .countdown-time .time-unit span {
            display: block;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--gold);
        }
        .countdown-time .time-unit small {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        /* ===== 按钮 ===== */
        .btn {
            display: inline-block;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.8rem;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }
        .btn-gold {
            background: var(--gold);
            color: #0A1628;
            box-shadow: 0 0 20px var(--gold-glow);
        }
        .btn-gold:hover {
            background: var(--gold-hover);
            box-shadow: 0 0 26px var(--gold-glow);
            color: #0A1628;
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
        }
        .btn-outline:hover {
            background: rgba(23, 58, 110, 0.4);
            border-color: var(--border-gold);
            color: var(--gold);
            transform: translateY(-2px);
        }
        .btn:active {
            transform: translateY(1px);
        }
        /* ===== 卡片主体 ===== */
        .topic-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .topic-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-gold);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
        }
        .topic-card .card-cover {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .topic-card .card-body {
            padding: 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card .card-tag {
            font-size: 0.78rem;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 0.5rem;
            display: inline-block;
        }
        .topic-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 0.6rem;
        }
        .topic-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .topic-card .card-link {
            margin-top: 1rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--gold);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .topic-card .card-link:hover {
            color: var(--gold-hover);
        }
        /* ===== 专题聚合支撑板块 ===== */
        .aggregate-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .aggregate-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--card-shadow);
            transition: var(--transition-base);
            text-align: left;
        }
        .aggregate-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
        }
        .aggregate-card .agg-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(212, 168, 83, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }
        .aggregate-card .agg-icon i {
            color: var(--gold);
            font-size: 1.3rem;
        }
        .aggregate-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .aggregate-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* ===== 数据指标 ===== */
        .metric-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--card-shadow);
        }
        .metric-item {
            text-align: center;
        }
        .metric-item .metric-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
        }
        .metric-item .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.4rem;
        }
        /* ===== 资讯列表区 ===== */
        .info-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .info-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-gold);
        }
        .info-card .info-cover {
            height: 160px;
            object-fit: cover;
            width: 100%;
        }
        .info-card .info-body {
            padding: 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .info-card .info-meta {
            display: flex;
            gap: 0.8rem;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
        }
        .info-card .info-meta .info-cat {
            color: var(--gold);
            font-weight: 600;
        }
        .info-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 0.6rem;
        }
        .info-card h3 a {
            color: var(--text-primary);
        }
        .info-card h3 a:hover {
            color: var(--gold);
        }
        .info-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .empty-state {
            text-align: center;
            padding: 2rem;
            color: var(--text-muted);
            border: 1px dashed var(--border-light);
            border-radius: var(--radius-card);
        }
        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0A1628 0%, #0F2447 55%, #173A6E 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 3.5rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -10%;
            width: 60%;
            height: 180%;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.18) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            position: relative;
            z-index: 2;
        }
        .cta-section p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            position: relative;
            z-index: 2;
        }
        .cta-section .btn {
            position: relative;
            z-index: 2;
        }
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item.active {
            border-color: var(--border-gold);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.2rem 1.5rem;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--gold);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            transition: var(--transition-base);
            font-size: 0.85rem;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--gold);
            color: #0A1628;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--nav-bg);
            border-top: 1px solid var(--border-light);
            padding: 3.5rem 0 1.5rem;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.05em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 1.2rem;
            text-align: center;
        }
        .copyright {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }
        .copyright a {
            color: var(--text-secondary);
        }
        .copyright a:hover {
            color: var(--gold);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 3rem;
                --hero-padding: 3.5rem;
            }
            .topic-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .launch-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 2.5rem;
                --hero-padding: 3rem;
            }
            .hamburger {
                display: flex;
            }
            .site-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0;
                padding: 1rem 0;
                background: rgba(10, 22, 40, 0.97);
                border-top: 1px solid var(--border-light);
            }
            .site-nav.open {
                display: flex;
            }
            .site-nav li {
                width: 100%;
                text-align: center;
            }
            .site-nav li a {
                display: block;
                padding: 0.8rem 1rem;
                font-size: 1rem;
            }
            .nav-cta {
                display: inline-block;
                margin: 0.5rem auto;
            }
            .category-h1 {
                font-size: 1.8rem;
            }
            .aggregate-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .launch-left {
                flex-direction: column;
                text-align: center;
            }
            .countdown-ring {
                margin: 0 auto;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-padding: 2rem;
                --hero-padding: 2.2rem;
            }
            .site-container {
                padding: 0 1rem;
            }
            .topic-card-grid {
                grid-template-columns: 1fr;
            }
            .info-list {
                grid-template-columns: 1fr;
            }
            .metric-strip {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .category-h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 2.2rem 1.2rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .countdown-ring {
                width: 130px;
                height: 130px;
            }
            .countdown-days {
                font-size: 1.8rem;
            }
            .countdown-time .time-unit {
                min-width: 58px;
                padding: 0.5rem 0.7rem;
            }
            .countdown-time .time-unit span {
                font-size: 1.1rem;
            }
        }