/* roulang page: index */
:root {
            --primary: #0a1628;
            --primary-light: #112240;
            --secondary: #0d1b2a;
            --accent: #00b4d8;
            --accent-bright: #48cae4;
            --accent-glow: rgba(0, 180, 216, 0.38);
            --gold: #c9a96e;
            --gold-light: #e8cfa0;
            --text-main: #e8edf3;
            --text-sub: #8da2b5;
            --text-dim: #64748b;
            --bg-glass: rgba(255, 255, 255, 0.06);
            --bg-glass-strong: rgba(255, 255, 255, 0.10);
            --border-glass: rgba(255, 255, 255, 0.12);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.25);
            --glow-accent: 0 0 28px rgba(0, 180, 216, 0.4);
            --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--primary);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
        }

        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head .tagline {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 30px;
            background: rgba(0, 180, 216, 0.12);
            border: 1px solid rgba(0, 180, 216, 0.3);
            color: var(--accent-bright);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }
        .section-head p {
            max-width: 620px;
            margin: 14px auto 0;
            color: var(--text-sub);
            font-size: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 13px 30px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1.2;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #0090c4);
            color: #fff;
            box-shadow: 0 4px 18px rgba(0, 180, 216, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--glow-accent);
            background: linear-gradient(135deg, var(--accent-bright), var(--accent));
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            border-color: var(--border-glass);
            background: var(--bg-glass);
            color: var(--text-main);
            backdrop-filter: blur(12px);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-bright);
            transform: translateY(-2px);
            background: rgba(0, 180, 216, 0.08);
        }
        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: #1a1410;
            font-weight: 600;
        }
        .btn-gold:hover {
            box-shadow: 0 0 28px rgba(201, 169, 110, 0.5);
            transform: translateY(-2px);
        }
        .btn-gold:active {
            transform: translateY(0);
        }

        .top-bar {
            background: rgba(7, 16, 30, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-sub);
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 42px;
        }
        .top-bar .bar-right {
            display: flex;
            gap: 18px;
            align-items: center;
        }
        .top-bar a:hover {
            color: var(--accent-bright);
        }

        .main-header {
            background: rgba(10, 22, 40, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .main-header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 76px;
        }

        .logo {
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), #0077a8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: #fff;
            box-shadow: 0 2px 12px rgba(0, 180, 216, 0.4);
            flex-shrink: 0;
        }
        .logo .logo-text span {
            display: block;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.3;
        }
        .logo .logo-text small {
            display: block;
            font-size: 11px;
            color: var(--text-sub);
            font-weight: 400;
            letter-spacing: 1px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 14px;
            color: var(--text-sub);
            transition: all 0.3s;
            font-weight: 500;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--accent-bright);
            background: rgba(0, 180, 216, 0.08);
        }
        .main-nav a.active {
            color: var(--accent-bright);
            background: rgba(0, 180, 216, 0.14);
            border: 1px solid rgba(0, 180, 216, 0.25);
        }
        .main-nav .nav-cta {
            background: linear-gradient(135deg, var(--accent), #0090c4);
            color: #fff;
            border-radius: 30px;
            padding: 9px 22px;
            margin-left: 8px;
        }
        .main-nav .nav-cta:hover {
            box-shadow: 0 0 20px rgba(0, 180, 216, 0.4);
            transform: translateY(-1px);
            background: linear-gradient(135deg, var(--accent-bright), var(--accent));
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            font-size: 18px;
            color: var(--text-main);
            cursor: pointer;
            transition: all 0.3s;
        }
        .mobile-toggle:hover {
            border-color: var(--accent);
            color: var(--accent-bright);
        }
        .mobile-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .mobile-nav {
            display: none;
            background: rgba(10, 22, 40, 0.98);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 24px;
            position: absolute;
            top: 76px;
            left: 0;
            right: 0;
            z-index: 99;
            box-shadow: var(--shadow-lg);
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 18px;
            border-radius: 12px;
            font-size: 15px;
            color: var(--text-sub);
            transition: all 0.3s;
        }
        .mobile-nav a:hover {
            background: rgba(0, 180, 216, 0.08);
            color: var(--accent-bright);
        }
        .mobile-nav a.active {
            color: var(--accent-bright);
            background: rgba(0, 180, 216, 0.12);
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 72px 0;
            background: linear-gradient(135deg, rgba(7, 15, 28, 0.94) 30%, rgba(13, 27, 42, 0.88)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .hero .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }
        .hero-tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 30px;
            background: rgba(0, 180, 216, 0.12);
            border: 1px solid rgba(0, 180, 216, 0.25);
            color: var(--accent-bright);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }
        .hero h1 .highlight {
            background: linear-gradient(120deg, var(--accent-bright), var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .hero-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            text-align: left;
        }
        .hero-stats .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.2;
        }
        .hero-stats .stat-label {
            font-size: 12px;
            color: var(--text-dim);
            margin-top: 2px;
        }

        /* 优惠券 */
        .coupon-zone {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .coupon-wrap {
            position: relative;
            width: 100%;
            max-width: 380px;
        }
        .coupon-card {
            position: relative;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
            backdrop-filter: blur(24px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 36px 32px 32px;
            box-shadow: var(--shadow-lg), 0 0 60px rgba(0, 180, 216, 0.08);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .coupon-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), 0 0 80px rgba(0, 180, 216, 0.15);
        }
        .coupon-card::before,
        .coupon-card::after {
            content: '';
            position: absolute;
            width: 26px;
            height: 26px;
            background: #0a1628;
            border-radius: 50%;
            top: 50%;
            transform: translateY(-50%);
            z-index: 2;
        }
        .coupon-card::before {
            left: -14px;
        }
        .coupon-card::after {
            right: -14px;
        }
        .coupon-top {
            text-align: center;
            padding-bottom: 20px;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.25);
        }
        .coupon-tag {
            display: inline-block;
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: #1a1410;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .coupon-price {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(120deg, #fff, var(--accent-bright));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .coupon-price span {
            font-size: 24px;
            font-weight: 600;
            margin-right: 2px;
        }
        .coupon-title {
            font-size: 15px;
            font-weight: 600;
            margin-top: 6px;
            color: var(--text-main);
        }
        .coupon-condition {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 6px;
        }
        .coupon-body {
            padding: 22px 0 0;
            text-align: center;
        }
        .coupon-body .coupon-info {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 18px;
        }
        .coupon-btn {
            width: 100%;
            padding: 12px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--accent), #0090c4);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 18px rgba(0, 180, 216, 0.3);
        }
        .coupon-btn:hover {
            box-shadow: 0 0 28px rgba(0, 180, 216, 0.5);
            transform: translateY(-1px);
        }
        .coupon-btn:active {
            transform: translateY(0);
        }
        .coupon-extra {
            text-align: center;
            margin-top: 18px;
        }
        .coupon-extra a {
            font-size: 13px;
            color: var(--text-sub);
            text-decoration: underline;
            text-decoration-color: rgba(255, 255, 255, 0.2);
            text-underline-offset: 4px;
            transition: color 0.3s;
        }
        .coupon-extra a:hover {
            color: var(--accent-bright);
        }

        /* 内容日历 */
        .calendar-section {
            background: linear-gradient(180deg, #0a1628, #0d1b2a);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cal-item {
            position: relative;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.3s;
        }
        .cal-item:hover {
            border-color: rgba(0, 180, 216, 0.4);
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.08);
        }
        .cal-item .cal-day {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            background: rgba(0, 180, 216, 0.12);
            color: var(--accent-bright);
            margin-bottom: 12px;
        }
        .cal-item .cal-time {
            font-size: 14px;
            color: var(--text-sub);
            font-weight: 500;
            margin-bottom: 4px;
        }
        .cal-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .cal-item p {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .cal-item .cal-link {
            font-size: 13px;
            color: var(--accent-bright);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.3s;
        }
        .cal-item .cal-link:hover {
            gap: 8px;
        }

        /* 热门专题 */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .topic-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--primary-light);
            border: 1px solid var(--border-glass);
            transition: all 0.4s;
            min-height: 320px;
        }
        .topic-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 180, 216, 0.3);
            box-shadow: var(--shadow-md);
        }
        .topic-card .topic-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .topic-card:hover .topic-img img {
            transform: scale(1.05);
        }
        .topic-card .topic-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 22, 40, 0.8));
        }
        .topic-card .topic-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(0, 180, 216, 0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            z-index: 2;
            backdrop-filter: blur(4px);
        }
        .topic-card .topic-body {
            padding: 20px 22px 24px;
        }
        .topic-card .topic-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .topic-card .topic-body p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .topic-card .topic-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-dim);
        }
        .topic-card .topic-meta .count {
            color: var(--accent-bright);
            font-weight: 500;
        }

        /* 保障图标条 */
        .assure-section {
            padding: 56px 0;
            background: rgba(255, 255, 255, 0.02);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .assure-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .assure-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            border-radius: var(--radius-md);
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            transition: all 0.3s;
        }
        .assure-item:hover {
            border-color: rgba(0, 180, 216, 0.3);
            background: rgba(255, 255, 255, 0.08);
        }
        .assure-item .assure-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 180, 216, 0.2), rgba(0, 180, 216, 0.05));
            border: 1px solid rgba(0, 180, 216, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent-bright);
            flex-shrink: 0;
        }
        .assure-item .assure-text h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .assure-item .assure-text p {
            font-size: 13px;
            color: var(--text-dim);
        }

        /* 数据看板 */
        .data-section {
            background: linear-gradient(145deg, rgba(17, 34, 64, 0.6), rgba(10, 22, 40, 0.9)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all 0.3s;
        }
        .data-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .data-card .data-num {
            font-size: 42px;
            font-weight: 800;
            background: linear-gradient(120deg, var(--accent-bright), var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .data-card .data-label {
            font-size: 14px;
            color: var(--text-sub);
            font-weight: 500;
        }
        .data-card .data-label span {
            display: block;
            font-size: 12px;
            color: var(--text-dim);
            font-weight: 400;
            margin-top: 4px;
        }

        /* 资讯 */
        .news-section {
            background: #0b1830;
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: start;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s;
        }
        .news-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(0, 180, 216, 0.3);
            transform: translateX(4px);
        }
        .news-item .news-date {
            flex-shrink: 0;
            text-align: center;
            background: rgba(0, 180, 216, 0.1);
            border-radius: 10px;
            padding: 8px 12px;
            min-width: 52px;
        }
        .news-item .news-date .d {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--accent-bright);
        }
        .news-item .news-date .m {
            font-size: 11px;
            color: var(--text-sub);
        }
        .news-item .news-info h3 {
            font-size: 15px;
            font-weight: 500;
            line-height: 1.5;
            margin-bottom: 2px;
            transition: color 0.3s;
        }
        .news-item .news-info h3:hover {
            color: var(--accent-bright);
        }
        .news-item .news-info p {
            font-size: 13px;
            color: var(--text-dim);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .side-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .side-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-card h4 i {
            color: var(--accent);
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
            transition: all 0.3s;
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item .rank-no {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-sub);
        }
        .rank-item:nth-child(1) .rank-no {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: #1a1410;
        }
        .rank-item:nth-child(2) .rank-no {
            background: rgba(201, 169, 110, 0.4);
            color: var(--gold-light);
        }
        .rank-item:nth-child(3) .rank-no {
            background: rgba(201, 169, 110, 0.2);
            color: var(--gold-light);
        }
        .rank-item .rank-title {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.4;
            flex: 1;
            transition: color 0.3s;
        }
        .rank-item .rank-title:hover {
            color: var(--accent-bright);
        }
        .rank-item .rank-val {
            font-size: 13px;
            color: var(--accent-bright);
            font-weight: 500;
            white-space: nowrap;
        }

        /* 使用指南 */
        .guide-section {
            background: #0d1b2a;
        }
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-step {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            position: relative;
            transition: all 0.3s;
        }
        .guide-step:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 180, 216, 0.3);
        }
        .guide-step .step-num {
            font-size: 48px;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, rgba(0, 180, 216, 0.4), rgba(0, 180, 216, 0.05));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .guide-step .step-icon {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(0, 180, 216, 0.1);
            border: 1px solid rgba(0, 180, 216, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-bright);
            font-size: 18px;
        }
        .guide-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .guide-step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: #0a1628;
        }
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .faq-item:hover {
            border-color: rgba(0, 180, 216, 0.2);
        }
        .faq-item.open {
            border-color: rgba(0, 180, 216, 0.3);
            background: rgba(255, 255, 255, 0.08);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            transition: color 0.3s;
        }
        .faq-question:hover {
            color: var(--accent-bright);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 180, 216, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-bright);
            flex-shrink: 0;
            transition: transform 0.3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(145deg, rgba(0, 180, 216, 0.15), rgba(10, 22, 40, 0.9)), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 22, 40, 0.65);
        }
        .cta-content {
            position: relative;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-content p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .cta-content .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #070f1e;
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-sub);
            transition: color 0.3s;
        }
        .footer-col ul a:hover {
            color: var(--accent-bright);
        }
        .footer-contact {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }
        .footer-contact i {
            color: var(--accent);
            margin-right: 8px;
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px 0;
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom a {
            color: var(--text-dim);
        }
        .footer-bottom a:hover {
            color: var(--accent-bright);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .calendar-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .coupon-zone {
                justify-content: center;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .main-nav {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-steps {
                grid-template-columns: 1fr;
            }
            .assure-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .top-bar .bar-right .hide-sm {
                display: none;
            }
            .hero {
                padding: 48px 0;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-stats {
                gap: 16px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .calendar-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .data-card .data-num {
                font-size: 30px;
            }
            .guide-step {
                padding: 28px 20px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .assure-grid {
                grid-template-columns: 1fr;
            }
            .cta-content h2 {
                font-size: 28px;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .top-bar .container {
                height: 36px;
                font-size: 12px;
            }
            .logo {
                font-size: 16px;
            }
            .logo .logo-text small {
                font-size: 10px;
            }
            .hero h1 {
                font-size: 22px;
            }
            .hero .hero-desc {
                font-size: 14px;
            }
            .hero-stats .stat-num {
                font-size: 18px;
            }
            .coupon-card {
                padding: 26px 20px 24px;
            }
            .coupon-price {
                font-size: 40px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .topic-card .topic-body h3 {
                font-size: 15px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .news-item .news-date {
                display: flex;
                gap: 6px;
                align-items: center;
            }
        }

/* roulang page: index */
:root {
            --color-primary: #2563eb;
            --color-primary-light: #3b82f6;
            --color-accent: #00d4ff;
            --color-bg-deep: #0a0e1a;
            --color-bg-card: rgba(15, 23, 42, 0.75);
            --color-border: rgba(255, 255, 255, 0.08);
            --color-text: #e2e8f0;
            --color-text-muted: #94a3b8;
            --radius-card: 1rem;
            --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.25);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            background-color: var(--color-bg-deep);
            color: var(--color-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== 顶部信息条 ===== */
        .info-bar {
            background: linear-gradient(135deg, #0d1117 0%, #151d2e 100%);
            border-bottom: 1px solid var(--color-border);
            font-size: 0.8rem;
            padding: 8px 0;
        }

        .info-bar .info-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .info-bar a {
            color: #94a3b8;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* ===== 主导航 ===== */
        .main-header {
            background: rgba(10, 14, 26, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .main-header .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.15rem;
            font-weight: 700;
            color: #f1f5f9;
            letter-spacing: 0.02em;
        }

        .brand-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, #2563eb, #00d4ff);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.3);
            flex-shrink: 0;
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.92rem;
            font-weight: 500;
            color: #94a3b8;
            transition: all .2s ease;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(37, 99, 235, 0.2);
            box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.3);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563eb, #00d4ff);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 22px rgba(0, 212, 255, 0.2);
            transition: all .3s ease;
        }

        .btn-glow:hover {
            box-shadow: 0 0 34px rgba(0, 212, 255, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-glow:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.2);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.9rem;
            background: transparent;
            cursor: pointer;
            transition: all .3s ease;
        }

        .btn-ghost:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.1);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.04);
            color: #e2e8f0;
            font-size: 1.1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ===== Hero 优惠券墙 ===== */
        .hero-section {
            position: relative;
            padding: 80px 0 72px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(10, 14, 26, 0.94) 30%, rgba(10, 14, 26, 0.75) 60%, rgba(10, 14, 26, 0.55) 100%);
        }

        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(0, 212, 255, 0.12);
            border: 1px solid rgba(0, 212, 255, 0.25);
            color: var(--color-accent);
            font-size: 0.82rem;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 2.15rem;
            font-weight: 800;
            line-height: 1.32;
            color: #f8fafc;
            letter-spacing: 0.01em;
            margin-bottom: 18px;
        }

        .hero-desc {
            font-size: 1rem;
            color: #94a3b8;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .hero-stats .stat-item {
            text-align: center;
        }

        .hero-stats .stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent);
        }

        .hero-stats .stat-label {
            font-size: 0.78rem;
            color: #64748b;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* 优惠券墙 */
        .coupon-wall {
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
        }

        .coupon-main {
            background: linear-gradient(135deg, rgba(30, 41, 59, 0.92), rgba(15, 23, 42, 0.88));
            border: 1px solid rgba(0, 212, 255, 0.3);
            border-radius: 20px;
            padding: 28px;
            position: relative;
            box-shadow: 0 0 36px rgba(0, 212, 255, 0.12), 0 8px 32px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(12px);
            overflow: hidden;
        }

        .coupon-main::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.2), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .coupon-main::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
        }

        .coupon-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(0, 212, 255, 0.18);
            border: 1px solid rgba(0, 212, 255, 0.3);
            color: var(--color-accent);
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .coupon-value {
            font-size: 2.4rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .coupon-value span {
            font-size: 1rem;
            font-weight: 500;
            color: #94a3b8;
            margin-left: 4px;
        }

        .coupon-desc {
            font-size: 0.88rem;
            color: #94a3b8;
            margin-bottom: 16px;
        }

        .coupon-meta {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: #64748b;
            margin-bottom: 18px;
        }

        .coupon-meta i {
            color: var(--color-accent);
            margin-right: 4px;
        }

        .coupon-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563eb, #00d4ff);
            color: #fff;
            font-weight: 700;
            font-size: 0.92rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 25px rgba(0, 212, 255, 0.3);
            transition: all .3s ease;
        }

        .coupon-btn:hover {
            box-shadow: 0 0 38px rgba(0, 212, 255, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .coupon-btn.coupon-claimed {
            background: rgba(255, 255, 255, 0.1);
            box-shadow: none;
            cursor: default;
            color: #94a3b8;
        }

        .coupon-sub {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .coupon-sub-item {
            background: rgba(15, 23, 42, 0.72);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 14px;
            padding: 16px 18px;
            backdrop-filter: blur(10px);
            transition: all .25s ease;
        }

        .coupon-sub-item:hover {
            border-color: rgba(0, 212, 255, 0.25);
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.08);
        }

        .coupon-sub-item .sub-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 2px;
        }

        .coupon-sub-item .sub-label {
            font-size: 0.72rem;
            color: #64748b;
            margin-bottom: 8px;
        }

        .coupon-sub-item .sub-btn {
            font-size: 0.78rem;
            color: var(--color-accent);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s;
        }

        .coupon-sub-item .sub-btn:hover {
            gap: 8px;
        }

        .coupon-sub-item .sub-btn.claimed {
            color: #64748b;
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 72px 0;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 999px;
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.18);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f8fafc;
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 0.94rem;
            color: #94a3b8;
            line-height: 1.75;
        }

        /* ===== 内容日历 ===== */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .calendar-card {
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 18px;
            padding: 24px 22px;
            position: relative;
            transition: all .3s ease;
            backdrop-filter: blur(8px);
        }

        .calendar-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            border-radius: 18px 18px 0 0;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
            opacity: 0;
            transition: opacity .3s;
        }

        .calendar-card:hover::before {
            opacity: 1;
        }

        .calendar-card:hover {
            border-color: rgba(0, 212, 255, 0.2);
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        }

        .calendar-card .day {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .calendar-card .theme {
            font-size: 1.08rem;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 8px;
        }

        .calendar-card .desc {
            font-size: 0.82rem;
            color: #94a3b8;
            line-height: 1.7;
        }

        /* ===== 热门专题 ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: rgba(15, 23, 42, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 18px;
            overflow: hidden;
            transition: all .3s ease;
            backdrop-filter: blur(8px);
        }

        .topic-card:hover {
            border-color: rgba(0, 212, 255, 0.25);
            transform: translateY(-5px);
            box-shadow: 0 10px 34px rgba(0, 0, 0, 0.4);
        }

        .topic-card .topic-cover {
            height: 170px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .topic-card .topic-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 14, 26, 0.85), transparent 60%);
        }

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

        .topic-card .topic-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(0, 212, 255, 0.12);
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .topic-card .topic-title {
            font-size: 1rem;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 6px;
        }

        .topic-card .topic-desc {
            font-size: 0.82rem;
            color: #94a3b8;
            line-height: 1.65;
        }

        /* ===== 数据看板 ===== */
        .dashboard-section {
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.12), rgba(0, 212, 255, 0.05));
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .dashboard-card {
            text-align: center;
            padding: 36px 20px;
            background: rgba(15, 23, 42, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            backdrop-filter: blur(8px);
            transition: all .25s ease;
        }

        .dashboard-card:hover {
            border-color: rgba(0, 212, 255, 0.2);
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.08);
        }

        .dashboard-card .dash-icon {
            font-size: 1.6rem;
            color: var(--color-accent);
            margin-bottom: 14px;
        }

        .dashboard-card .dash-num {
            font-size: 2rem;
            font-weight: 900;
            color: #f8fafc;
            line-height: 1;
            margin-bottom: 6px;
        }

        .dashboard-card .dash-label {
            font-size: 0.85rem;
            color: #94a3b8;
        }

        /* ===== 保障图标条 ===== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 22px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            transition: all .25s ease;
        }

        .guarantee-item:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(0, 212, 255, 0.2);
        }

        .guarantee-item .g-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(0, 212, 255, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .guarantee-item .g-title {
            font-size: 0.88rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 2px;
        }

        .guarantee-item .g-desc {
            font-size: 0.76rem;
            color: #64748b;
        }

        /* ===== 资讯区 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 0.6fr;
            gap: 36px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: rgba(15, 23, 42, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 14px;
            transition: all .25s ease;
        }

        .news-item:hover {
            border-color: rgba(0, 212, 255, 0.2);
            background: rgba(15, 23, 42, 0.7);
        }

        .news-item .news-info {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 4px;
            transition: color .2s;
        }

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

        .news-item .news-date {
            font-size: 0.75rem;
            color: #64748b;
        }

        .news-item .news-arrow {
            color: #475569;
            transition: all .2s;
        }

        .news-item:hover .news-arrow {
            color: var(--color-accent);
            transform: translateX(4px);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sidebar-card {
            background: rgba(15, 23, 42, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 24px;
        }

        .sidebar-card .side-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .sidebar-card .hot-item {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 8px 0;
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color .2s;
        }

        .sidebar-card .hot-item:hover {
            color: var(--color-accent);
        }

        .sidebar-card .hot-item .hot-num {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 0.8rem;
            min-width: 22px;
        }

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

        .tag-cloud .tag {
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            font-size: 0.78rem;
            color: #94a3b8;
            transition: all .2s;
        }

        .tag-cloud .tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0, 212, 255, 0.05);
        }

        /* ===== 使用指南 ===== */
        .guide-section {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

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

        .guide-step {
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 32px 26px;
            position: relative;
            transition: all .3s ease;
        }

        .guide-step:hover {
            border-color: rgba(0, 212, 255, 0.2);
            transform: translateY(-4px);
        }

        .guide-step .step-num {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #2563eb, #00d4ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 12px;
        }

        .guide-step .step-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 8px;
        }

        .guide-step .step-desc {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: rgba(15, 23, 42, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            padding: 22px 26px;
            transition: all .25s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 212, 255, 0.15);
        }

        .faq-item .faq-q {
            font-size: 0.98rem;
            font-weight: 700;
            color: #e2e8f0;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }

        .faq-item .faq-q .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(0, 212, 255, 0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .faq-item .faq-a {
            font-size: 0.88rem;
            color: #94a3b8;
            line-height: 1.8;
            padding-left: 40px;
        }

        /* ===== 转化表单 ===== */
        .contact-section {
            position: relative;
            background-size: cover;
            background-position: center;
        }

        .contact-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 26, 0.95), rgba(15, 23, 42, 0.88));
        }

        .contact-wrap {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .contact-info .cnt-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: #f8fafc;
            margin-bottom: 16px;
        }

        .contact-info .cnt-desc {
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .contact-info .cnt-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            font-size: 0.9rem;
            color: #cbd5e1;
        }

        .contact-info .cnt-item i {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(0, 212, 255, 0.08);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .contact-form {
            background: rgba(15, 23, 42, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 24px;
            padding: 36px;
            backdrop-filter: blur(12px);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-bottom: 14px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 0.8rem;
            font-weight: 600;
            color: #cbd5e1;
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.04);
            color: #e2e8f0;
            font-size: 0.9rem;
            transition: all .25s;
            outline: none;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
            background: rgba(255, 255, 255, 0.06);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #475569;
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .form-submit {
            width: 100%;
            padding: 14px;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563eb, #00d4ff);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 24px rgba(0, 212, 255, 0.2);
            transition: all .3s;
        }

        .form-submit:hover {
            box-shadow: 0 0 36px rgba(0, 212, 255, 0.4);
            transform: translateY(-2px);
        }

        .form-submit:active {
            transform: translateY(0);
        }

        .form-submit.success {
            background: rgba(34, 197, 94, 0.5);
            box-shadow: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #070b14;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 56px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.6fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .fb-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 12px;
        }

        .footer-brand .fb-desc {
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-links .fl-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 14px;
        }

        .footer-links a {
            display: block;
            padding: 5px 0;
            font-size: 0.85rem;
            color: #64748b;
        }

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

        .footer-contact .fc-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 14px;
        }

        .footer-contact .fc-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: #64748b;
            padding: 5px 0;
        }

        .footer-contact .fc-item i {
            color: var(--color-accent);
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.78rem;
            color: #475569;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-section .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-title {
                font-size: 1.7rem;
            }

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

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

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }

            .guide-steps {
                grid-template-columns: 1fr;
            }

            .contact-wrap {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .nav-links,
            .nav-cta .btn-glow {
                display: none;
            }

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

            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: rgba(10, 14, 26, 0.95);
                padding: 20px;
                border-bottom: 1px solid var(--color-border);
                backdrop-filter: blur(20px);
            }

            .nav-links.mobile-open a {
                padding: 12px 16px;
                font-size: 1rem;
            }

            .section-padding {
                padding: 50px 0;
            }

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

            .hero-section {
                padding: 48px 0 56px;
            }

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

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

        @media (max-width: 520px) {
            .info-bar .info-bar-inner {
                justify-content: center;
                font-size: 0.72rem;
            }

            .info-bar .info-right {
                display: none;
            }

            .brand-logo {
                font-size: 0.92rem;
            }

            .brand-logo .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }

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

            .hero-desc {
                font-size: 0.88rem;
            }

            .hero-stats {
                gap: 16px;
            }

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

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

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

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

            .coupon-main {
                padding: 20px;
            }

            .contact-form {
                padding: 24px;
            }

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

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }