* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #0a1022;
            color: #e8e8e8;
            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-nav {
            background: linear-gradient(90deg, #0f2050, #153078);
            position: sticky;
            top: 0;
            z-index: 99;
            box-shadow: 0 2px 12px #000820;
        }
        .nav-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
        }
        .logo-text {
            font-size: 24px;
            font-weight: bold;
            color: #ffd700;
        }
        .nav-list {
            display: flex;
            gap: 32px;
        }
        .nav-list li a {
            font-size: 16px;
            padding: 8px 12px;
            transition: 0.3s;
        }
        .nav-list li a:hover {
            color: #ffd700;
        }
        /* 移动端导航适配 */
        @media (max-width:768px) {
            .nav-wrap {
                flex-direction: column;
                gap:12px;
                padding:10px 0;
            }
            .nav-list {
                flex-wrap: wrap;
                justify-content: center;
                gap:16px;
            }
            .logo-text {
                font-size:20px;
            }
        }

        /* 三张主图展示模块 */
        .banner-box {
            padding: 40px 0;
        }
        .banner-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .banner-card {
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid #254896;
            background: #101a38;
        }
        .banner-img {
            width: 100%;
            height: 220px;
            background: #1c3266;
            display: flex;
            align-items: center;
            justify-content: center;
            color:#ffd700;
            font-size:15px;
        }
        .banner-desc {
            padding:14px;
            text-align:center;
        }
        .banner-desc h3 {
            color:#ffd700;
            margin-bottom:6px;
        }
        @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;
            margin: 60px 0 35px;
        }
        .section-title h2 {
            font-size: 28px;
            color: #ffd700;
            position: relative;
            display: inline-block;
            padding-bottom:10px;
        }
        .section-title h2::after {
            content:"";
            width:70px;
            height:3px;
            background:#ffd700;
            position:absolute;
            bottom:0;
            left:50%;
            transform:translateX(-50%);
        }
        .section-title p {
            margin-top:10px;
            color:#a8b6e0;
        }
        @media (max-width:768px) {
            .section-title h2 {
                font-size:22px;
            }
        }

        /* 功能卡片模块 */
        .card-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            margin-bottom:30px;
        }
        .func-card {
            background: linear-gradient(145deg, #12234d, #0c1836);
            border:1px solid #264ca0;
            border-radius:12px;
            padding:24px 18px;
            text-align:center;
            transition:0.3s;
        }
        .func-card:hover {
            transform: translateY(-6px);
            border-color:#ffd700;
        }
        .card-icon {
            width: 60px;
            height:60px;
            margin:0 auto 16px;
            background:#1f3b80;
            border-radius:50%;
            display:flex;
            align-items:center;
            justify-content:center;
            color:#ffd700;
            font-size:24px;
        }
        .func-card h4 {
            color:#fff;
            margin-bottom:8px;
            font-size:17px;
        }
        .func-card p {
            font-size:14px;
            color:#b0c4f0;
        }
        @media (max-width:992px) {
            .card-wrap {
                grid-template-columns: repeat(2,1fr);
            }
        }
        @media (max-width:576px) {
            .card-wrap {
                grid-template-columns:1fr;
            }
        }

        /* 功能详细介绍区 */
        .intro-area {
            background:#0e1933;
            padding:40px 0;
            margin:50px 0;
            border-radius:14px;
            border:1px solid #234693;
        }
        .intro-content {
            display:flex;
            align-items:center;
            gap:40px;
        }
        .intro-text {
            flex:1;
        }
        .intro-text h3 {
            color:#ffd700;
            font-size:22px;
            margin-bottom:18px;
        }
        .intro-text li {
            margin:12px 0;
            padding-left:20px;
            position:relative;
            color:#d0dcf7;
        }
        .intro-text li::before {
            content:"?";
            color:#ffd700;
            position:absolute;
            left:0;
        }
        .intro-pic {
            flex:1;
            height:300px;
            background:#1a316b;
            border-radius:10px;
            display:flex;
            align-items:center;
            justify-content:center;
            color:#ffd700;
        }
        @media (max-width:768px) {
            .intro-content {
                flex-direction:column;
                gap:24px;
            }
            .intro-pic {
                width:100%;
                height:200px;
            }
        }

        /* 下载按钮专区 */
        .download-box {
            padding:50px 0;
            text-align:center;
            background:linear-gradient(160deg,#0c1730,#142b64);
            border-radius:14px;
            margin:50px auto;
        }
        .download-box h3 {
            font-size:26px;
            color:#ffd700;
            margin-bottom:20px;
        }
        .download-desc {
            color:#c2cff3;
            margin-bottom:30px;
            max-width:700px;
            margin-left:auto;
            margin-right:auto;
        }
        .download-buttons {
            display:flex;
            flex-wrap:wrap;
            gap:18px;
            justify-content:center;
        }
        .download-btn {
            padding:14px 32px;
            background:linear-gradient(90deg,#c49400,#ffd700);
            color:#0a1022;
            font-weight:bold;
            font-size:17px;
            border-radius:8px;
            transition:0.3s;
            min-width:160px;
        }
        .download-btn:hover {
            opacity:0.85;
        }

        /* 部署教程模块 */
        .tutorial-area {
            margin:60px 0;
        }
        .tutorial-step {
            background:#101b39;
            border-left:4px solid #ffd700;
            padding:20px 24px;
            margin-bottom:16px;
            border-radius:0 8px 8px 0;
        }
        .tutorial-step h4 {
            color:#ffd700;
            margin-bottom:8px;
            font-size:18px;
        }
        .tutorial-step p {
            color:#c5d2f5;
        }

        /* FAQ常见问题 */
        .faq-area {
            background:#0d1831;
            padding:40px 0;
            border-radius:14px;
            margin:60px 0;
        }
        .faq-item {
            border-bottom:1px solid #22448f;
            padding:18px 0;
        }
        .faq-item:last-child {
            border-bottom:none;
        }
        .faq-q {
            color:#ffd700;
            font-size:17px;
            margin-bottom:8px;
        }
        .faq-a {
            color:#b8caf2;
        }

        /* 底部参数版权模块 */
        footer {
            background:#070e20;
            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:#ffd700;
            margin-bottom:16px;
            font-size:18px;
        }
        .footer-col li {
            margin:9px 0;
            color:#a0b3e2;
            font-size:14px;
        }
        .copyright-text {
            text-align:center;
            padding-top:20px;
            border-top:1px solid #1c3266;
            color:#7a8fc8;
            font-size:14px;
        }
        @media (max-width:768px) {
            .footer-row {
                grid-template-columns:1fr;
                gap:25px;
            }
        }