* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", sans-serif;
        }
        body {
            background-color: #0c0f17;
            color: #e6e6e6;
            line-height: 1.7;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        .container {
            width: 92%;
            max-width: 1200px;
            margin: 0 auto;
        }

        /* 顶部导航栏 */
        header {
            background: #141926;
            border-bottom: 2px solid #7d2ae8;
            position: sticky;
            top: 0;
            z-index: 99;
        }
        .nav-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
        }
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #7d2ae8;
        }
        .logo span {
            color: #fff;
            font-size: 16px;
            margin-left: 8px;
        }
        .nav-list {
            display: flex;
            gap: 32px;
        }
        .nav-list li a {
            font-size: 15px;
            transition: 0.3s;
        }
        .nav-list li a:hover {
            color: #7d2ae8;
        }
        /* 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: 18px;
            }
        }

        /* 头部横幅大图模块（3张轮播占位） */
        .banner-box {
            margin: 30px 0;
        }
        .banner-group {
            display: grid;
            grid-template-columns: repeat(3,1fr);
            gap: 16px;
        }
        .banner-item {
            height: 220px;
            background: #1a2030;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid #333;
            position: relative;
        }
        .banner-item .pic-placeholder {
            width: 100%;
            height: 100%;
            background: #22293b;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
        }
        .banner-item .banner-text {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 12px;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
        }
        @media (max-width:768px) {
            .banner-group {
                grid-template-columns: 1fr;
            }
            .banner-item {
                height: 160px;
            }
        }

        /* 下载按钮通用样式 */
        .download-btn {
            display: inline-block;
            padding: 12px 36px;
            background: linear-gradient(90deg,#7d2ae8,#a14cf0);
            border-radius: 6px;
            font-weight: bold;
            font-size: 16px;
            transition: all 0.3s;
            margin: 8px;
        }
        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 18px #7d2ae870;
        }
        .download-area {
            text-align: center;
            margin: 40px 0;
            padding: 30px;
            background: #141926;
            border-radius: 12px;
        }
        .download-area h2 {
            margin-bottom: 20px;
            color: #fff;
        }

        /* 功能卡片模块 */
        .section-title {
            text-align: center;
            font-size: 26px;
            margin: 50px 0 30px;
            position: relative;
        }
        .section-title::after {
            content: "";
            display: block;
            width: 80px;
            height: 3px;
            background: #7d2ae8;
            margin: 10px auto;
        }
        .card-wrap {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        .func-card {
            background: #141926;
            padding: 24px;
            border-radius: 10px;
            border: 1px solid #282e40;
            transition: 0.3s;
        }
        .func-card:hover {
            border-color: #7d2ae8;
            transform: translateY(-5px);
        }
        .func-card h3 {
            color: #7d2ae8;
            margin-bottom: 12px;
            font-size: 18px;
        }
        @media (max-width:1024px) {
            .card-wrap {
                grid-template-columns: repeat(2,1fr);
            }
        }
        @media (max-width:600px) {
            .card-wrap {
                grid-template-columns: 1fr;
            }
        }

        /* 功能介绍区域 */
        .intro-box {
            background: #141926;
            padding: 35px;
            border-radius: 12px;
            margin: 40px 0;
        }
        .intro-box h3 {
            color: #7d2ae8;
            margin-bottom: 16px;
            font-size: 20px;
        }
        .intro-list li {
            padding: 8px 0;
            padding-left: 20px;
            position: relative;
        }
        .intro-list li::before {
            content: "?";
            color: #7d2ae8;
            position: absolute;
            left: 0;
        }

        /* 部署教程模块 */
        .tutorial-box {
            margin: 50px 0;
        }
        .step-item {
            background: #141926;
            margin-bottom: 16px;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #7d2ae8;
        }
        .step-item h4 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        /* FAQ常见问题 */
        .faq-box {
            margin: 50px 0;
        }
        .faq-item {
            background: #141926;
            margin-bottom: 12px;
            border-radius: 8px;
            overflow: hidden;
        }
        .faq-q {
            padding: 16px 20px;
            background: #1a2030;
            font-weight: bold;
        }
        .faq-a {
            padding: 14px 20px;
            color: #ccc;
        }

        /* 底部信息 */
        footer {
            margin-top: 60px;
            padding: 40px 0 20px;
            background: #0a0d14;
            border-top: 1px solid #222;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3,1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: #7d2ae8;
            margin-bottom: 14px;
            font-size: 18px;
        }
        .footer-col p, .footer-col li {
            color: #aaa;
            font-size: 14px;
            padding: 4px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1f2430;
            color: #777;
            font-size: 13px;
        }
        @media (max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }