* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        body {
            background-color: #f5f0f7;
            color: #2d1b3c;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        /* 菜单导航 */
        .navbar {
            background: linear-gradient(145deg, #1a0f25, #2e1a3e);
            color: #f0e6fa;
            padding: 1rem 5%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
            /*position: sticky;*/
            top: 0;
            z-index: 100;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #ffb6e6, #c78aff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 8px #a55eea;
        }
        .nav-links {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            font-weight: 500;
        }
        .nav-links a {
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 1.05rem;
        }
        .nav-links a:hover {
            border-bottom-color: #f0a2d0;
            color: #ffd3f0;
        }
        /* banner */
        .banner {
            background: linear-gradient(127deg, #321f42 0%, #1e1235 100%), url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI4MCIgaGVpZ2h0PSI4MCIgdmlld0JveD0iMCAwIDQwIDQwIj48cGF0aCBkPSJNMjAgM0wzIDMybDE3LTUgMTcgNS0xNy0yeiIgZmlsbD0iI2ZmZTBlMCIgb3BhY2l0eT0iMC4wNSIvPjwvc3ZnPg==');
            background-repeat: repeat;
            background-size: 100px;
            padding: 3.5rem 5%;
            text-align: center;
            color: #fad7ff;
            border-bottom: 3px solid #b685d7;
        }
        .banner h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 0 0 15px #c17ae8, 2px 2px 0 #2b0f3a;
        }
        .banner p {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto;
            background: rgba(0,0,0,0.3);
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            backdrop-filter: blur(2px);
        }
        /* 通用章节 */
        .section {
            padding: 3rem 5%;
            max-width: 1300px;
            margin: 0 auto;
        }
        .section-title {
            font-size: 2.2rem;
            margin-bottom: 2rem;
            border-left: 8px solid #c55aff;
            padding-left: 1.5rem;
            background: linear-gradient(to right, #f1e4ff, transparent);
            font-weight: 700;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 1.5rem;
        }
        .card {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(8px);
            border-radius: 32px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 15px 30px rgba(146, 87, 190, 0.15);
            border: 1px solid #ffffffba;
            transition: transform 0.2s ease;
        }
        .card:hover {
            transform: translateY(-6px);
            background: #ffffffd6;
        }
        .card h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: #371c4e;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .highlight {
            font-weight: 700;
            color: #a13fd6;
            background: #f2deff;
            padding: 0.1rem 0.3rem;
            border-radius: 6px;
        }
        strong {
            color: #a13fd6;
            font-weight: 700;
            background: linear-gradient(145deg, #f8eaff, #f0d9ff);
            padding: 0 4px;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1.5rem 0 0.5rem;
        }
        .btn {
            background: #2a173b;
            color: #f0dbff;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            border: 1px solid #b78cdf;
            transition: 0.15s;
            display: inline-block;
            box-shadow: 0 5px 10px #bba0d3a0;
        }
        .btn:hover {
            background: #512e77;
            color: white;
            border-color: #eba3ff;
        }
        /* 常见问题样式 */
        .faq-item {
            background: #faf3ff;
            border-radius: 24px;
            padding: 1.2rem 2rem;
            margin-bottom: 1.2rem;
            border-left: 5px solid #b252e6;
        }
        .faq-item h4 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2b0d3d;
            margin-bottom: 0.5rem;
        }
        .faq-item p {
            color: #2d1b38;
            font-size: 1.08rem;
        }
        /* 热门平台按钮行 */
        .platform-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.2rem;
            margin: 2rem 0 0.5rem;
        }
        .platform-btn {
            background: #3f2558;
            color: #f3e2ff;
            border: 2px solid #c999ff;
            padding: 0.8rem 1.8rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1.15rem;
            transition: all 0.2s;
            box-shadow: 0 4px 10px #a56fd0;
            min-width: 140px;
            text-align: center;
        }
        .platform-btn:hover {
            background: #7c4eaa;
            color: #fff;
            border-color: #ffc0f4;
            transform: scale(1.02);
        }
        /* 底部版权 */
        .footer {
            background: #1c0f28;
            color: #bbaad5;
            text-align: center;
            padding: 2rem;
            font-size: 0.95rem;
            border-top: 3px solid #7353a0;
        }
        /* 站内链接样式 */
        .internal-link {
            color: #9f46d9;
            font-weight: 500;
            border-bottom: 1px dashed #b77de3;
        }
        /* 响应式 */
        @media (max-width: 680px) {
            .navbar {
                flex-direction: column;
                gap: 0.6rem;
            }
            .nav-links {
                justify-content: center;
                gap: 0.8rem;
            }
            .banner h1 {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .platform-btn {
                min-width: 120px;
                padding: 0.6rem 1rem;
                font-size: 1rem;
            }
        }
        /* 关键词高亮 */
        .keyword-bold {
            font-weight: 800;
            color: #7d31b3;
            background: #ecdaff;
            padding: 0 5px;
            border-radius: 12px;
        }