/* 全局样式 纯本地内嵌 无任何外链 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", SimHei, sans-serif;
        }
        body {
            background-color: #0f141e;
            color: #e8e8e8;
            line-height: 1.7;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        .container {
            width: 94%;
            max-width: 1200px;
            margin: 0 auto;
        }

        /* 顶部导航栏 */
        header {
            background: #171c28;
            box-shadow: 0 2px 12px #00000080;
            position: sticky;
            top: 0;
            z-index: 99;
        }
        .nav-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
        }
        .logo-text {
            font-size: 24px;
            font-weight: bold;
            color: #ff4646;
        }
        .nav-list {
            display: flex;
            gap: 32px;
        }
        .nav-list li a {
            font-size: 16px;
            transition: color 0.2s;
        }
        .nav-list li a:hover {
            color: #ff4646;
        }
        /* 移动端导航适配 */
        @media (max-width:768px) {
            .nav-wrap {
                flex-direction: column;
                gap:12px;
            }
            .nav-list {
                flex-wrap: wrap;
                justify-content: center;
                gap:16px 24px;
            }
        }

        /* 头部下载按钮区块 */
        .btn-block {
            padding: 40px 0;
            background: linear-gradient(135deg,#1c2333,#0f141e);
            text-align: center;
        }
        .btn-block h2 {
            font-size: 28px;
            margin-bottom: 28px;
            color: #fff;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        .down-btn {
            width: 220px;
            padding: 16px 0;
            font-size: 18px;
            font-weight: bold;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
        }
        .btn-android {
            background: #34c759;
            color: #000;
        }
        .btn-ios {
            background: #007aff;
            color: #fff;
        }
        .btn-pc {
            background: #6366f1;
            color: #fff;
        }
        .btn-small {
            background: #ff9500;
            color: #000;
        }
        .down-btn:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 20px #00000070;
        }
        @media (max-width:768px) {
            .down-btn {
                width: 42%;
                min-width: 140px;
            }
            .btn-block h2 {
                font-size: 22px;
            }
        }

        /* 主图展示模块 三张轮播占位 */
        .banner-section {
            padding: 50px 0;
        }
        .banner-title {
            text-align: center;
            font-size: 26px;
            margin-bottom: 30px;
            color: #ffdfdf;
        }
        .banner-box {
            display: flex;
            gap: 20px;
        }
        .banner-item {
            flex: 1;
            background: #1e2638;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid #333a4e;
        }
        .banner-img-box {
            height: 180px;
            background: #2a3349;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #aaa;
        }
        .banner-desc {
            padding:14px;
            text-align: center;
        }
        @media (max-width:768px) {
            .banner-box {

                flex-direction: column;
            }
            .banner-img-box {
                height: 140px;
            }
        }

        /* 功能卡片模块 */
        .card-section {
            padding: 50px 0;
            background: #171c28;
        }
        .section-title {
            text-align: center;
            font-size: 26px;
            margin-bottom: 40px;
            color: #fff;
        }
        .card-wrap {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
            gap: 24px;
        }
        .func-card {
            background: #0f141e;
            padding: 26px 20px;
            border-radius: 10px;
            border: 1px solid #2d3547;
            transition: border-color 0.3s;
        }
        .func-card:hover {
            border-color: #ff4646;
        }
        .card-icon {
            width: 60px;
            height: 60px;
            background: #242c3f;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color:#ff4646;
            font-size:24px;
        }
        .func-card h3 {
            font-size: 19px;
            margin-bottom: 10px;
        }
        .func-card p {
            color: #b0b8cc;
            font-size: 15px;
        }

        /* 功能介绍区域 */
        .intro-section {
            padding: 50px 0;
        }
        .intro-content {
            background: #171c28;
            padding: 30px;
            border-radius: 10px;
            border:1px solid #2a3349;
        }
        .intro-content h3 {
            font-size: 22px;
            margin-bottom:18px;
            color:#ff4646;
        }
        .intro-content p {
            margin-bottom:14px;
            color:#d1d8e8;
        }
        .intro-list li {
            padding: 8px 0;
            color:#c0c8e0;
            padding-left:20px;
            position:relative;
        }
        .intro-list li::before {
            content:"?";
            color:#ff4646;
            position:absolute;
            left:0;
        }

        /* 部署教程模块 */
        .doc-section {
            padding:50px 0;
            background:#171c28;
        }
        .doc-step {
            background:#0f141e;
            padding:22px;
            border-radius:8px;
            margin-bottom:16px;
            border:1px solid #2d3547;
        }
        .doc-step h4 {
            font-size:18px;
            margin-bottom:10px;
            color:#ff9500;
        }
        .doc-step p {
            color:#c5cde0;
        }

        /* FAQ常见问题 */
        .faq-section {
            padding:50px 0;
        }
        .faq-item {
            background:#171c28;
            margin-bottom:14px;
            border-radius:8px;
            overflow:hidden;
            border:1px solid #2a3349;
        }
        .faq-q {
            padding:16px 22px;
            background:#1e2638;
            font-weight:bold;
            font-size:17px;
        }
        .faq-a {
            padding:14px 22px;
            color:#b4bdd3;
        }

        /* 底部参数模块 */
        footer {
            background:#0a0e16;
            padding:50px 0 30px;
            border-top:1px solid #222a3b;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
            gap:30px;
            margin-bottom:40px;
        }
        .footer-col h4 {
            font-size:18px;
            margin-bottom:18px;
            color:#ff4646;
        }
        .footer-col li {
            padding:6px 0;
            color:#aab6d0;
        }
        .copyright {
            text-align:center;
            padding-top:20px;
            border-top:1px solid #1f2738;
            color:#77829c;
            font-size:14px;
        }