* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        body {
            background-color: #f0f5fa;
            color: #0c2b3e;
            line-height: 1.6;
            scroll-behavior: smooth;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* 头部导航 */
        header {
            background: rgba(10, 38, 58, 0.98);
            backdrop-filter: blur(8px);
            color: white;
            padding: 12px 0;
           /* position: sticky;*/
            top: 0;
            z-index: 100;
            box-shadow: 0 10px 24px -8px rgba(0,30,50,0.4);
            border-bottom: 3px solid #ffcd6c;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(145deg, #ffe18a, #f8c150);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 2px 2px 0 #023048;
            letter-spacing: -0.5px;
        }
        .logo small {
            font-size: 0.9rem;
            color: #aad0f5;
            background: none;
            -webkit-background-clip: unset;
            background-clip: unset;
            text-shadow: none;
            margin-left: 10px;
            font-weight: 400;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        nav ul li a {
            color: #f5f9ff;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 40px;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,200,100,0.2);
            transition: 0.2s;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        nav ul li a:hover {
            background: #ffcd6c;
            color: #0a263a;
            border-color: #ffcd6c;
        }
        /* Banner */
        .banner {
            background: radial-gradient(circle at 10% 30%, #15445c, #06212f);
            color: white;
            padding: 60px 20px;
            margin: 30px 0 40px;
            border-radius: 48px;
            text-align: center;
            box-shadow: 0 20px 30px -8px #082433;
        }
        .banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            text-shadow: 4px 4px 0 #0b344a;
            margin-bottom: 20px;
        }
        .banner .accent {
            color: #ffdb8e;
            border-bottom: 4px solid #f5b342;
            display: inline-block;
            padding-bottom: 6px;
        }
        .banner p {
            font-size: 1.5rem;
            background: rgba(0,0,0,0.35);
            padding: 18px 28px;
            border-radius: 60px;
            display: inline-block;
            backdrop-filter: blur(5px);
            border: 1px solid #ffcd6c55;
        }
        /* 版块标题 */
        .section-head {
            font-size: 2.3rem;
            font-weight: 700;
            margin: 70px 0 35px;
            border-right: 8px solid #ffb344;
            padding-right: 20px;
            text-align: left;
            color: #103f5c;
            display: inline-block;
            letter-spacing: -0.3px;
            border-left: 4px solid #0a2e44;
            padding-left: 20px;
            background: linear-gradient(to right, #ffffff00, #ffffff60);
            border-radius: 0 40px 40px 0;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }
        .card {
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(6px);
            border-radius: 36px;
            padding: 32px 26px;
            box-shadow: 0 16px 32px -12px rgba(0, 45, 70, 0.2);
            border: 2px solid rgba(255,205,120,0.4);
            transition: 0.25s ease;
        }
        .card:hover {
            transform: translateY(-8px);
            border-color: #ffb347;
            box-shadow: 0 28px 38px -16px #c19747;
        }
        .card h3 {
            font-size: 1.9rem;
            margin-bottom: 20px;
            color: #1b4965;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 3px dotted #f3b547;
            padding-bottom: 12px;
        }
        .card p {
            color: #12374b;
            font-size: 1.05rem;
            margin-bottom: 18px;
        }
        .card strong, .card b {
            background: #fdebc8;
            color: #b1500b;
            padding: 2px 8px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.98em;
        }
        .insite-link {
            display: inline-block;
            margin-top: 16px;
            color: #0a5d8c;
            font-weight: 600;
            text-decoration: none;
            border-bottom: 3px solid #ffbc5c;
            padding-bottom: 3px;
        }
        .insite-link:hover {
            color: #c9660e;
        }
        /* FAQ区域 */
        .faq-wrapper {
            background: #e2f0f9;
            border-radius: 70px 70px 30px 30px;
            padding: 50px 40px;
            margin: 70px 0 30px;
            border: 2px solid #ffe09c;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 35px 45px;
            margin-top: 30px;
        }
        .faq-card {
            background: white;
            border-radius: 30px;
            padding: 28px;
            box-shadow: 0 8px 18px #c3d9e9;
        }
        .faq-card h4 {
            font-size: 1.5rem;
            color: #124f6b;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
        }
        .faq-card h4:before {
            content: "⚽️";
            margin-right: 14px;
            font-size: 2rem;
            background: #fad980;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .faq-card p {
            color: #1c3f55;
        }
        .faq-card strong {
            background: #fbebc2;
            padding: 3px 9px;
            border-radius: 30px;
        }
        /* 热门平台一行5按钮 */
        .hot-row {
            background: linear-gradient(145deg, #ffffff, #f7fbfe);
            border-radius: 90px;
            padding: 30px 30px;
            margin: 40px 0 20px;
            border: 3px solid #f5c451;
            text-align: center;
        }
        .button-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 22px;
            margin: 25px 0 10px;
        }
        .platform-link {
            background: #174a69;
            color: white !important;
            padding: 16px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.3rem;
            text-decoration: none;
            border: 2px solid #ffd966;
            box-shadow: 0 10px 12px rgba(0, 35, 50, 0.3);
            transition: 0.15s;
            min-width: 170px;
            letter-spacing: 1px;
            display: inline-block;
        }
        .platform-link:hover {
            background: #fad25c;
            color: #0a263a !important;
            border-color: #0a263a;
            transform: scale(1.02);
        }
        /* 底部 */
        footer {
            background: #0c2c40;
            color: #cde2f2;
            padding: 45px 0 30px;
            border-radius: 50px 50px 0 0;
            margin-top: 80px;
            text-align: center;
        }
        .footer-links a {
            color: #ffd966;
            text-decoration: none;
            margin: 0 20px;
            font-weight: 500;
        }
        /* 移动端优化 */
        @media (max-width: 700px) {
            .header-inner {
                flex-direction: column;
                gap: 12px;
            }
            .banner h1 {
                font-size: 2.1rem;
            }
            .banner p {
                font-size: 1.2rem;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .button-group {
                flex-direction: column;
                align-items: center;
            }
            .platform-link {
                width: 100%;
                max-width: 300px;
            }
            .section-head {
                font-size: 1.9rem;
            }
        }
        .top-link {
            text-align: right;
            margin: 20px 0;
        }
        .top-link a {
            background: #1d4f6e;
            color: white;
            padding: 8px 22px;
            border-radius: 40px;
            text-decoration: none;
        }