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

        body {
            font-family: 'Inter', sans-serif;
            background: #f5f7fb;
            color: #1e293b;
            line-height: 1.5;
            scroll-behavior: smooth;
        }

        /* 容器 */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 头部导航 */
        .header {
            background: #ffffff;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            /*position: sticky;*/
            top: 0;
            z-index: 100;
            backdrop-filter: blur(2px);
            background: rgba(255,255,255,0.96);
        }
        .nav-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 16px 0;
        }
        .logo h1 {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #e11d48, #f97316);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }
        .logo span {
            font-size: 0.9rem;
            font-weight: 400;
            color: #475569;
            display: block;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            list-style: none;
        }
        .nav-menu li a {
            text-decoration: none;
            font-weight: 500;
            color: #1e293b;
            padding: 8px 14px;
            border-radius: 40px;
            transition: all 0.2s;
            font-size: 0.95rem;
        }
        .nav-menu li a:hover {
            background: #f1f5f9;
            color: #e11d48;
        }
        /* 移动端导航滚动 */
        @media (max-width: 768px) {
            .nav-bar {
                flex-direction: column;
                gap: 12px;
            }
            .nav-menu {
                justify-content: center;
                overflow-x: auto;
                padding-bottom: 8px;
                flex-wrap: nowrap;
                width: 100%;
                -webkit-overflow-scrolling: touch;
            }
            .nav-menu li a {
                white-space: nowrap;
            }
        }

        /* 通用版块样式 */
        .section {
            background: #ffffff;
            border-radius: 28px;
            padding: 32px 28px;
            margin: 40px 0;
            box-shadow: 0 8px 24px rgba(0,0,0,0.03);
            transition: transform 0.2s;
            border: 1px solid #eef2f6;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 24px;
            border-left: 6px solid #e11d48;
            padding-left: 20px;
            color: #0f172a;
        }
        .grid-2col {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }
        .card {
            background: #fefefe;
            border-radius: 24px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
            border: 1px solid #edf2f7;
        }
        p, li {
            color: #334155;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        strong, b {
            color: #e11d48;
            font-weight: 700;
        }
        .badge {
            background: #fee2e2;
            color: #b91c1c;
            padding: 4px 12px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 12px;
        }
        .fa-icon {
            margin-right: 8px;
            color: #e11d48;
        }
        /* 常见问题 */
        .faq-item {
            border-bottom: 1px solid #e9eef3;
            padding: 20px 0;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #0f172a;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .faq-question i {
            color: #e11d48;
            font-size: 1.2rem;
        }
        .faq-answer {
            color: #475569;
            padding-left: 32px;
        }
        /* 热门平台按钮组 */
        .hot-platforms {
            margin: 32px 0 24px;
            text-align: center;
        }
        .platform-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 18px;
            margin-top: 18px;
        }
        .platform-btn {
            background: linear-gradient(135deg, #f1f5f9, #ffffff);
            border: 1px solid #e2e8f0;
            padding: 12px 24px;
            border-radius: 60px;
            font-weight: 600;
            color: #1e293b;
            text-decoration: none;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
            box-shadow: 0 2px 6px rgba(0,0,0,0.02);
        }
        .platform-btn:hover {
            background: #e11d48;
            color: white;
            border-color: #e11d48;
            transform: translateY(-2px);
        }
        footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 32px 0;
            margin-top: 60px;
            text-align: center;
            border-radius: 32px 32px 0 0;
        }
        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        @media (max-width: 640px) {
            .section {
                padding: 24px 18px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .platform-btn {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }
        hr {
            margin: 20px 0;
            border-color: #eef2f6;
        }