* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', sans-serif;
        }
        body {
            background-color: #f3f7fb;
            color: #1e2a3a;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: #0269c7;
        }
        /* 头部导航 */
        .header {
            background: linear-gradient(145deg, #0a1c2f, #0b2b41);
            color: white;
            padding: 0.8rem 5%;
            /*position: sticky;*/
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }
        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f9d423, #fdaa33);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo span {
            background: none;
            -webkit-text-fill-color: white;
            background: linear-gradient(135deg, #fff, #e0e0e0);
            -webkit-background-clip: text;
            background-clip: text;
            font-size: 1rem;
            margin-left: 5px;
        }
        .nav-menu {
            display: flex;
            gap: 1.8rem;
            font-weight: 500;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #ecf0f3;
            transition: 0.2s;
            font-size: 1.1rem;
            border-bottom: 2px solid transparent;
            padding-bottom: 4px;
        }
        .nav-menu a:hover {
            border-bottom-color: #f9d423;
            color: #f9d423;
        }
        /* banner */
        .banner {
            background: linear-gradient(107deg, #0f3b4f 0%, #1b5e3f 70%, #2e7d32 100%);
            color: white;
            padding: 3rem 5%;
            text-align: center;
            border-radius: 0 0 3rem 3rem;
            margin-bottom: 2rem;
            box-shadow: 0 8px 20px rgba(0,40,20,0.3);
        }
        .banner h1 {
            font-size: 2.5rem;
            font-weight: 800;
            text-shadow: 3px 3px 0 #0a3e2a;
            margin-bottom: 0.8rem;
        }
        .banner p {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto;
            background: rgba(0,0,0,0.2);
            padding: 0.5rem 1.5rem;
            border-radius: 60px;
            backdrop-filter: blur(3px);
        }
        /* 容器 */
        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 5%;
        }
        /* 网格板块 */
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin: 2.5rem 0 1.5rem;
            border-left: 10px solid #f9a826;
            padding-left: 1.5rem;
            background: linear-gradient(to right, #f0f9ff, transparent);
        }
        .grid-8 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .card {
            background: white;
            border-radius: 28px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 12px 25px -8px rgba(0,40,20,0.15);
            transition: all 0.25s ease;
            border: 1px solid rgba(255,215,0,0.2);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 22px 35px -10px #1f4f3f4d;
            border-color: #ffc10730;
        }
        .card h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .card h3 i {
            font-size: 2rem;
        }
        .keyword-bold {
            font-weight: 700;
            background: #fffbe6;
            color: #b45f06;
            padding: 0.1rem 0.3rem;
            border-radius: 8px;
            display: inline-block;
        }
        b, strong {
            color: #c4450c;
            background: #fff1e0;
            padding: 0 4px;
            border-radius: 6px;
            font-weight: 650;
        }
        /* 常见问题 */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .faq-item {
            background: #eaf4e8;
            border-radius: 32px;
            padding: 1.5rem;
            border-left: 6px solid #3b7f5c;
        }
        .faq-item h4 {
            font-size: 1.4rem;
            font-weight: 650;
            margin-bottom: 0.5rem;
            color: #0b4426;
        }
        /* 热门平台按钮区 */
        .hot-platforms {
            background: #102a33;
            border-radius: 60px 60px 20px 20px;
            padding: 2rem 2rem 2.2rem;
            margin: 3rem 0 2rem;
            color: white;
        }
        .hot-platforms h2 {
            font-size: 2rem;
            text-align: center;
            margin-bottom: 1.5rem;
            color: #ffdf8c;
        }
        .btn-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.2rem;
        }
        .btn-link {
            background: #ffce6b;
            color: #1e3c2f;
            font-weight: 700;
            padding: 0.9rem 1.8rem;
            border-radius: 60px;
            font-size: 1.2rem;
            box-shadow: 0 8px 0 #b4621a;
            transition: 0.1s ease;
            border: 2px solid #fec542;
            flex: 0 1 auto;
            min-width: 150px;
            text-align: center;
            letter-spacing: 0.5px;
        }
        .btn-link:hover {
            transform: translateY(3px);
            box-shadow: 0 4px 0 #b4621a;
            background: #ffe087;
        }
        /* 底部 */
        .footer {
            background: #0b202b;
            color: #cddde5;
            padding: 2rem 5%;
            text-align: center;
            border-radius: 3rem 3rem 0 0;
            margin-top: 3rem;
        }
        .footer a {
            color: #ffd966;
        }
        .footer-links {
            display: flex;
            gap: 2rem;
            justify-content: center;
            flex-wrap: wrap;
            margin: 1rem 0;
        }
        /* 移动端适配 */
        @media (max-width: 680px) {
            .nav-menu { gap: 1rem; margin-top: 10px; width: 100%; justify-content: center; }
            .banner h1 { font-size: 2rem; }
            .section-title { font-size: 1.9rem; }
            .btn-link { min-width: 130px; font-size: 1rem; padding: 0.7rem 1rem; }
            .btn-row { gap: 0.8rem; }
        }
        /* 站内链接模拟 */
        .internal-link {
            color: #096b4d;
            text-decoration: underline wavy #ffb347 1.5px;
            font-weight: 500;
        }
        .stats-badge {
            background: #eef5f9;
            border-radius: 30px;
            padding: 0.2rem 1rem;
            font-size: 0.9rem;
            display: inline-block;
            margin: 0.5rem 0;
        }