* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(145deg, #f8fafc 0%, #e0f2fe 100%);
            color: #1e293b;
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(148, 163, 184, 0.2);
            box-shadow: 0 2px 24px rgba(148, 163, 184, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand {
            font-size: 22px;
            font-weight: 700;
            color: #1e293b;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand span {
            color: #3b82f6;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #334155;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 4px;
            position: relative;
            transition: color 0.25s;
        }
        .nav-links a:hover {
            color: #3b82f6;
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #3b82f6, #94a3b8);
            transition: width 0.3s;
        }
        .nav-links a:hover::after {
            width: 100%;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 80px 0 72px;
            text-align: center;
            overflow: hidden;
            background: radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.9) 0%, rgba(224, 242, 254, 0.6) 60%, transparent 80%);
        }
        .hero-section .snowflakes {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            font-size: 34px;
            color: #94a3b8;
            opacity: 0.3;
            animation: snowFloat 6s ease-in-out infinite alternate;
        }
        @keyframes snowFloat {
            0% {
                transform: translateY(0) translateX(0) rotate(0deg);
            }
            100% {
                transform: translateY(-18px) translateX(18px) rotate(15deg);
            }
        }
        .hero-content h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.3;
            color: #0f172a;
            max-width: 850px;
            margin: 0 auto 20px;
        }
        .hero-content .subtitle {
            font-size: 18px;
            color: #475569;
            max-width: 700px;
            margin: 0 auto 36px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #3b82f6, #60a5fa);
            color: #ffffff;
            padding: 14px 28px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 8px 24px rgba(59, 130, 246, 0.25);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn.secondary {
            background: rgba(255, 255, 255, 0.85);
            color: #1e293b;
            border: 1px solid #cbd5e1;
            box-shadow: 0 4px 16px rgba(148, 163, 184, 0.12);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(59, 130, 246, 0.3);
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .num {
            font-size: 32px;
            font-weight: 800;
            color: #1e293b;
        }
        .hero-stats .label {
            font-size: 14px;
            color: #64748b;
            margin-top: 4px;
        }

        /* ===== GEO ===== */
        .geo-section {
            padding: 72px 0;
        }
        .section-title {
            text-align: center;
            font-size: 34px;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 16px;
        }
        .section-subtitle {
            text-align: center;
            color: #64748b;
            font-size: 16px;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .geo-card {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 24px;
            padding: 36px;
            box-shadow: 0 8px 36px rgba(148, 163, 184, 0.14);
        }
        .geo-card p {
            font-size: 16px;
            color: #1e293b;
            margin-bottom: 16px;
        }
        .geo-card p:last-child {
            margin-bottom: 0;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            padding: 64px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 20px;
            text-align: center;
            padding: 36px 20px;
            box-shadow: 0 6px 24px rgba(148, 163, 184, 0.12);
            transition: transform 0.25s;
        }
        .stat-card:hover {
            transform: translateY(-6px);
        }
        .stat-card .icon {
            font-size: 40px;
            margin-bottom: 12px;
        }
        .stat-card .value {
            font-size: 38px;
            font-weight: 800;
            color: #0f172a;
        }
        .stat-card .desc {
            color: #64748b;
            font-size: 15px;
            margin-top: 8px;
        }

        /* ===== 核心优势 ===== */
        .features-section {
            padding: 64px 0;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 20px;
            padding: 32px 24px;
            box-shadow: 0 6px 24px rgba(148, 163, 184, 0.12);
            text-align: center;
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .feature-card:hover {
            transform: translateY(-6px) scale(1.02);
            box-shadow: 0 12px 32px rgba(59, 130, 246, 0.18);
        }
        .feature-card .icon {
            font-size: 40px;
            margin-bottom: 16px;
            display: block;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: #475569;
        }

        /* ===== 品牌故事 ===== */
        .story-section {
            padding: 64px 0;
        }
        .story-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-text h2 {
            font-size: 32px;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 20px;
        }
        .story-text p {
            font-size: 16px;
            color: #334155;
            margin-bottom: 16px;
        }
        .story-img {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(148, 163, 184, 0.2);
        }
        .story-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ===== 焦点赛事 ===== */
        .events-section {
            padding: 64px 0;
        }
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .event-card {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(148, 163, 184, 0.12);
            transition: transform 0.25s;
        }
        .event-card:hover {
            transform: translateY(-6px);
        }
        .event-img {
            height: 160px;
            overflow: hidden;
        }
        .event-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .event-info {
            padding: 20px 24px 24px;
        }
        .event-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 8px;
        }
        .event-info p {
            font-size: 14px;
            color: #64748b;
        }

        /* ===== 赛事直播 ===== */
        .live-section {
            padding: 64px 0;
        }
        .live-wrap {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 24px;
            padding: 36px;
            box-shadow: 0 8px 36px rgba(148, 163, 184, 0.14);
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: center;
        }
        .live-info h2 {
            font-size: 32px;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 16px;
        }
        .live-info p {
            font-size: 15px;
            color: #475569;
            margin-bottom: 12px;
        }
        .live-btn {
            margin-top: 16px;
        }
        .live-img {
            border-radius: 20px;
            overflow: hidden;
        }
        .live-img img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        /* ===== 积分商城 ===== */
        .mall-section {
            padding: 64px 0;
        }
        .mall-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .mall-card {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(148, 163, 184, 0.12);
            text-align: center;
            transition: transform 0.25s;
        }
        .mall-card:hover {
            transform: translateY(-6px);
        }
        .mall-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .mall-card .mall-body {
            padding: 20px;
        }
        .mall-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 8px;
        }
        .mall-card p {
            font-size: 14px;
            color: #64748b;
            margin-bottom: 12px;
        }
        .mall-points {
            display: inline-block;
            background: linear-gradient(135deg, #e0f2fe, #bae6fd);
            color: #0369a1;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 30px;
        }

        /* ===== 用户口碑 ===== */
        .testimonials-section {
            padding: 64px 0;
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 20px;
            padding: 28px 24px;
            box-shadow: 0 6px 24px rgba(148, 163, 184, 0.12);
        }
        .testimonial-card .quote {
            font-size: 16px;
            color: #334155;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .testimonial-card .user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3b82f6, #94a3b8);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
        }
        .testimonial-card .name {
            font-size: 15px;
            font-weight: 600;
            color: #0f172a;
        }
        .testimonial-card .role {
            font-size: 13px;
            color: #94a3b8;
        }

        /* ===== 下载中心 ===== */
        .download-section {
            padding: 64px 0;
        }
        .download-wrap {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(224, 242, 254, 0.7));
            backdrop-filter: blur(12px);
            border-radius: 28px;
            padding: 48px;
            text-align: center;
            box-shadow: 0 12px 48px rgba(59, 130, 246, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.8);
        }
        .download-wrap h2 {
            font-size: 32px;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 12px;
        }
        .download-wrap p {
            font-size: 15px;
            color: #475569;
            margin-bottom: 28px;
        }
        .download-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .download-img {
            margin-top: 28px;
        }
        .download-img img {
            width: 120px;
            border-radius: 16px;
            box-shadow: 0 8px 24px rgba(148, 163, 184, 0.24);
        }

        /* ===== 新闻 ===== */
        .news-section {
            padding: 64px 0;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(148, 163, 184, 0.12);
            transition: transform 0.25s;
        }
        .news-card:hover {
            transform: translateY(-6px);
        }
        .news-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .news-body {
            padding: 24px;
        }
        .news-tag {
            display: inline-block;
            background: #e0f2fe;
            color: #0369a1;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
        }
        .news-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-body p {
            font-size: 14px;
            color: #475569;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0;
        }
        .faq-list {
            max-width: 880px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        details.faq-item {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 20px;
            padding: 24px 28px;
            box-shadow: 0 4px 20px rgba(148, 163, 184, 0.1);
            transition: box-shadow 0.25s;
        }
        details.faq-item[open] {
            box-shadow: 0 8px 32px rgba(59, 130, 246, 0.12);
        }
        summary {
            font-size: 17px;
            font-weight: 600;
            color: #0f172a;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        summary::-webkit-details-marker {
            display: none;
        }
        summary::after {
            content: "+";
            font-size: 26px;
            color: #3b82f6;
            font-weight: 400;
            transition: transform 0.2s;
        }
        details[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            margin-top: 14px;
            font-size: 15px;
            color: #334155;
            line-height: 1.7;
        }

        /* ===== 合作伙伴 ===== */
        .partners-section {
            padding: 64px 0;
        }
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            align-items: center;
        }
        .partner-card {
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
            box-shadow: 0 4px 16px rgba(148, 163, 184, 0.1);
            transition: transform 0.25s;
        }
        .partner-card:hover {
            transform: translateY(-4px);
        }
        .partner-card img {
            max-height: 48px;
            width: auto;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 48px 0 64px;
        }
        .cta-box {
            background: linear-gradient(135deg, #2563eb, #3b82f6, #60a5fa);
            border-radius: 28px;
            color: #fff;
            padding: 48px;
            text-align: center;
            box-shadow: 0 16px 48px rgba(37, 99, 235, 0.28);
            position: relative;
            overflow: hidden;
        }
        .cta-box h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-box p {
            font-size: 16px;
            opacity: 0.95;
            margin-bottom: 28px;
        }
        .cta-box .btn {
            background: #fff;
            color: #2563eb;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }
        .cta-box .btn.secondary {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        /* ===== 深度内容 ===== */
        .deep-section {
            padding: 64px 0;
        }
        .deep-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .deep-card {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: 20px;
            padding: 28px;
            box-shadow: 0 6px 24px rgba(148, 163, 184, 0.12);
        }
        .deep-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 12px;
        }
        .deep-card p {
            font-size: 14px;
            color: #475569;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(14px);
            border-top: 1px solid rgba(148, 163, 184, 0.2);
            padding: 48px 0 24px;
            margin-top: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 14px;
        }
        .footer-col p,
        .footer-col a {
            font-size: 14px;
            color: #475569;
            text-decoration: none;
            line-height: 1.8;
        }
        .footer-col a:hover {
            color: #3b82f6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.15);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: #94a3b8;
            margin-bottom: 6px;
        }
        .footer-links {
            margin-top: 8px;
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 14px;
            color: #64748b;
            text-decoration: none;
        }
        .footer-links a:hover {
            color: #3b82f6;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .stats-grid,
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .events-grid,
            .mall-grid,
            .news-grid,
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-layout,
            .live-wrap,
            .deep-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 640px) {
            .header-inner {
                flex-direction: column;
                height: auto;
                padding: 12px 0;
            }
            .nav-links {
                justify-content: center;
                gap: 16px;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .stats-grid,
            .features-grid,
            .events-grid,
            .mall-grid,
            .news-grid,
            .testimonials-grid,
            .partners-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                gap: 20px;
            }
        }