* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", SimHei, sans-serif;
        }
        body {
            background-color: #0f1419;
            color: #e5e7eb;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        /* 顶部导航 */
        .header {
            background-color: #1a202c;
            box-shadow: 0 2px 10px rgba(0,0,0,0.5);
            position: sticky;
            top: 0;
            z-index: 99;
        }
        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #f59e0b;
        }
        .nav-menu {
            display: flex;
            gap: 30px;
        }
        .nav-menu a {
            font-size: 16px;
            transition: color 0.3s;
        }
        .nav-menu a:hover {
            color: #f59e0b;
        }
        /* 移动端导航适配 */
        @media (max-width: 768px) {
            .nav-menu {
                gap: 15px;
                font-size: 14px;
            }
            .logo {
                font-size: 20px;
            }
        }

        /* 轮播/三张主图模块 */
        .banner {
            padding: 40px 0;
        }
        .banner-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .banner-item {
            background-color: #1e293b;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid #334155;
        }
        .banner-img {
            width: 100%;
            height: 220px;
            background-color: #273444;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            font-size: 18px;
        }
        .banner-desc {
            padding: 15px;
            text-align: center;
        }
        /* 移动端主图单列 */
        @media (max-width: 768px) {
            .banner-list {
                grid-template-columns: 1fr;
            }
            .banner-img {
                height: 180px;
            }
        }

        /* 下载按钮区域 */
        .download-box {
            padding: 50px 0;
            text-align: center;
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            margin: 20px 0;
            border-radius: 12px;
        }
        .download-title {
            font-size: 28px;
            margin-bottom: 25px;
            color: #f59e0b;
        }
        .download-btn {
            display: inline-block;
            padding: 16px 50px;
            background-color: #f59e0b;
            color: #000;
            font-size: 18px;
            font-weight: bold;
            border-radius: 50px;
            transition: background 0.3s;
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
        }
        .download-btn:hover {
            background-color: #d97706;
        }
        @media (max-width: 768px) {
            .download-title {
                font-size: 22px;
            }
            .download-btn {
                padding: 14px 35px;
                font-size: 16px;
            }
        }

        /* 卡片模块 */
        .card-section {
            padding: 40px 0;
        }
        .section-title {
            text-align: center;
            font-size: 26px;
            margin-bottom: 35px;
            padding-bottom: 10px;
            border-bottom: 2px solid #334155;
            display: inline-block;
            position: relative;
            left: 50%;
            transform: translateX(-50%);
        }
        .card-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .card-item {
            background-color: #1e293b;
            padding: 25px 15px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid #334155;
            transition: transform 0.3s;
        }
        .card-item:hover {
            transform: translateY(-5px);
        }
        .card-icon {
            width: 60px;
            height: 60px;
            background-color: #273444;
            border-radius: 50%;
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #f59e0b;
            font-size: 24px;
        }
        .card-name {
            font-size: 17px;
            margin-bottom: 8px;
            color: #fff;
        }
        .card-text {
            font-size: 14px;
            color: #94a3b8;
        }
        /* 卡片自适应 */
        @media (max-width: 992px) {
            .card-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .card-list {
                grid-template-columns: 1fr;
            }
        }

        /* 功能介绍模块 */
        .func-section {
            padding: 40px 0;
        }
        .func-content {
            background-color: #1e293b;
            padding: 30px;
            border-radius: 10px;
            border: 1px solid #334155;
        }
        .func-item {
            margin-bottom: 20px;
            padding-left: 15px;
            border-left: 3px solid #f59e0b;
        }
        .func-item h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: #f59e0b;
        }
        .func-item p {
            color: #cbd5e1;
            font-size: 15px;
        }

        /* 部署教程模块 */
        .tutorial-section {
            padding: 40px 0;
        }
        .tutorial-content {
            background-color: #1e293b;
            padding: 30px;
            border-radius: 10px;
            border: 1px solid #334155;
        }
        .tutorial-step {
            margin-bottom: 18px;
            font-size: 15px;
            color: #cbd5e1;
        }
        .tutorial-step strong {
            color: #f59e0b;
            font-size: 16px;
        }

        /* 常见问题 FAQ */
        .faq-section {
            padding: 40px 0;
        }
        .faq-item {
            background-color: #1e293b;
            margin-bottom: 15px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid #334155;
        }
        .faq-question {
            padding: 18px 20px;
            background-color: #273444;
            font-size: 16px;
            font-weight: bold;
            color: #fff;
        }
        .faq-answer {
            padding: 15px 20px;
            color: #cbd5e1;
            font-size: 15px;
        }

        /* 底部参数模块 + 页脚 */
        .footer-param {
            padding: 40px 0;
            background-color: #1a202c;
            margin-top: 30px;
        }
        .param-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
        .param-table th, .param-table td {
            border: 1px solid #334155;
            padding: 12px;
            text-align: center;
            font-size: 15px;
        }
        .param-table th {
            background-color: #273444;
            color: #f59e0b;
        }
        .copyright {
            text-align: center;
            padding: 20px 0;
            color: #64748b;
            font-size: 14px;
            border-top: 1px solid #334155;
            margin-top: 20px;
        }