* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #0a0e17;
            color: #e6e6e6;
            line-height: 1.7;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        /* 顶部导航 */
        header {
            background: #0f1622;
            border-bottom: 2px solid #0088ff;
            position: sticky;
            top: 0;
            z-index: 99;
        }
        .nav-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #00a2ff;
            text-decoration: none;
        }
        .nav-list {
            display: flex;
            gap: 30px;
        }
        .nav-list a {
            color: #ccc;
            text-decoration: none;
            font-size: 16px;
            transition: color 0.2s;
        }
        .nav-list a:hover {
            color: #00a2ff;
        }
        /* 移动端导航适配 */
        @media (max-width:768px) {
            .nav-wrap {
                flex-direction: column;
                gap:15px;
            }
            .nav-list {
                flex-wrap: wrap;
                justify-content: center;
                gap:18px;
            }
        }
        /* 头部三张主图区块 */
        .banner-box {
            padding: 40px 0;
        }
        .banner-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap:20px;
        }
        .banner-item {
            background: #131b2b;
            border-radius: 10px;
            overflow: hidden;
            border:1px solid #193358;
        }
        .banner-img {
            width:100%;
            height:220px;
            background:#192840;
            display:flex;
            align-items:center;
            justify-content:center;
            color:#7799cc;
        }
        .banner-text {
            padding:15px;
        }
        .banner-text h3 {
            color:#00a2ff;
            margin-bottom:8px;
        }
        @media (max-width:992px) {
            .banner-row {
                grid-template-columns: repeat(2,1fr);
            }
        }
        @media (max-width:576px) {
            .banner-row {
                grid-template-columns: 1fr;
            }
            .banner-img {
                height:160px;
            }
        }
        /* 通用区块标题 */
        .section-title {
            text-align:center;
            font-size:28px;
            color:#fff;
            margin:60px 0 30px;
            position:relative;
        }
        .section-title::after {
            content:"";
            width:80px;
            height:3px;
            background:#0088ff;
            display:block;
            margin:10px auto 0;
        }
        /* 下载按钮模块 */
        .download-block {
            background: linear-gradient(135deg,#002b59,#001429);
            padding:40px 20px;
            border-radius:12px;
            text-align:center;
            margin:40px 0;
        }
        .download-btn {
            display:inline-block;
            padding:16px 45px;
            background:#0088ff;
            color:#fff;
            font-size:18px;
            font-weight:bold;
            text-decoration:none;
            border-radius:8px;
            margin:10px;
            transition:background 0.3s;
        }
        .download-btn:hover {
            background:#0066cc;
        }
        .download-tip {
            color:#a0c4e8;
            margin-top:15px;
            font-size:14px;
        }
        /* 功能卡片模块 */
        .card-row {
            display:grid;
            grid-template-columns: repeat(4,1fr);
            gap:20px;
        }
        .func-card {
            background:#131b2b;
            border:1px solid #1d365c;
            border-radius:10px;
            padding:25px 20px;
            transition:transform 0.2s;
        }
        .func-card:hover {
            transform: translateY(-6px);
            border-color:#0088ff;
        }
        .card-icon {
            width:60px;
            height:60px;
            background:#193358;
            border-radius:8px;
            display:flex;
            align-items:center;
            justify-content:center;
            color:#00a2ff;
            font-size:26px;
            margin-bottom:15px;
        }
        .func-card h4 {
            color:#fff;
            margin-bottom:10px;
            font-size:18px;
        }
        .func-card p {
            color:#b0c8e6;
            font-size:14px;
        }
        @media (max-width:992px) {
            .card-row {
                grid-template-columns: repeat(2,1fr);
            }
        }
        @media (max-width:576px) {
            .card-row {
                grid-template-columns: 1fr;
            }
        }
        /* 功能介绍区块 */
        .intro-wrap {
            background:#101826;
            padding:35px;
            border-radius:12px;
            border:1px solid #1a3052;
            margin:50px 0;
        }
        .intro-wrap h3 {
            color:#00a2ff;
            margin-bottom:20px;
            font-size:22px;
        }
        .intro-list li {
            margin:12px 0;
            padding-left:20px;
            position:relative;
            color:#d0e3f7;
        }
        .intro-list li::before {
            content:"●";
            color:#0088ff;
            position:absolute;
            left:0;
        }
        /* 部署教程区块 */
        .tutorial-box {
            background:#101826;
            border-radius:12px;
            padding:35px;
            border:1px solid #1a3052;
        }
        .tutorial-step {
            margin:22px 0;
        }
        .tutorial-step h4 {
            color:#00a2ff;
            font-size:17px;
            margin-bottom:8px;
        }
        .tutorial-step p {
            color:#c2d8f0;
        }
        /* FAQ常见问题 */
        .faq-box {
            margin:50px 0;
        }
        .faq-item {
            background:#131b2b;
            border-radius:8px;
            margin-bottom:15px;
            overflow:hidden;
        }
        .faq-q {
            padding:16px 20px;
            background:#192840;
            color:#fff;
            font-weight:bold;
        }
        .faq-a {
            padding:16px 20px;
            color:#b0c8e6;
        }
        /* 底部信息模块 */
        footer {
            background:#080c13;
            border-top:2px solid #003366;
            padding:45px 0 25px;
            margin-top:70px;
        }
        .footer-row {
            display:grid;
            grid-template-columns: repeat(3,1fr);
            gap:30px;
            margin-bottom:35px;
        }
        .footer-col h4 {
            color:#00a2ff;
            margin-bottom:18px;
            font-size:18px;
        }
        .footer-col p, .footer-col a {
            color:#88a2c4;
            font-size:14px;
            text-decoration:none;
            line-height:2;
        }
        .copyright {
            text-align:center;
            color:#556b88;
            font-size:13px;
            padding-top:20px;
            border-top:1px solid #142238;
        }
        @media (max-width:768px) {
            .footer-row {
                grid-template-columns: 1fr;
            }
        }