<style>
        *{margin:0;padding:0;box-sizing:border-box}
        body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6;color:#1a1a2e;background:#f0f7ff}
        .container{max-width:1200px;margin:0 auto;padding:0 20px}
        
        /* 头部导航 */
        header{background:linear-gradient(135deg,#0a4da4 0%,#1e88e5 100%);box-shadow:0 4px 20px rgba(0,102,204,0.15);position:sticky;top:0;z-index:100}
        .header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;flex-wrap:wrap}
        .logo{display:flex;align-items:center;gap:10px;text-decoration:none}
        .logo-icon{width:44px;height:44px;background:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:bold;color:#1e88e5;box-shadow:0 4px 12px rgba(0,0,0,0.1)}
        .logo-text{font-size:26px;font-weight:700;color:#fff;letter-spacing:1px;text-shadow:0 2px 4px rgba(0,0,0,0.1)}
        nav{display:flex;gap:35px}
        nav a{color:#fff;text-decoration:none;font-size:16px;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:all 0.2s}
        nav a:hover{border-bottom-color:#fff}
        .btn-download{background:#fff;color:#1e88e5;padding:12px 28px;border-radius:30px;font-weight:600;text-decoration:none;transition:all 0.3s;box-shadow:0 4px 12px rgba(0,0,0,0.1);font-size:15px}
        .btn-download:hover{background:#f0f7ff;transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,0.15)}
        .menu-toggle{display:none;background:none;border:none;color:#fff;font-size:26px;cursor:pointer}
        @media (max-width:768px){
            .menu-toggle{display:block}
            nav{display:none;width:100%;flex-direction:column;gap:12px;padding:15px 0}
            nav.active{display:flex}
            .header-inner .btn-download{display:none}
        }
        
        /* 面包屑 */
        .breadcrumb{padding:15px 0;color:#666;font-size:14px}
        .breadcrumb a{color:#1e88e5;text-decoration:none}
        
        /* 通用版块 */
        section{padding:70px 0}
        .section-title{font-size:36px;font-weight:700;text-align:center;margin-bottom:20px;color:#0a4da4;position:relative}
        .section-subtitle{text-align:center;color:#666;font-size:18px;margin-bottom:45px}
        .section-title:after{content:'';display:block;width:80px;height:4px;background:linear-gradient(90deg,#1e88e5,#64b5f6);margin:18px auto 0;border-radius:2px}
        
        /* 卡片 */
        .card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 10px 30px rgba(0,102,204,0.08);transition:all 0.3s;border:1px solid rgba(30,136,229,0.08)}
        .card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,102,204,0.12);border-color:rgba(30,136,229,0.2)}
        
        /* 按钮 */
        .btn{display:inline-block;padding:14px 32px;border-radius:40px;font-weight:600;text-decoration:none;transition:all 0.3s;cursor:pointer;border:none;font-size:16px}
        .btn-primary{background:linear-gradient(135deg,#1e88e5,#0a4da4);color:#fff;box-shadow:0 6px 18px rgba(30,136,229,0.3)}
        .btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(30,136,229,0.4)}
        .btn-secondary{background:#fff;color:#1e88e5;border:2px solid #1e88e5}
        .btn-secondary:hover{background:#1e88e5;color:#fff}
        .btn-light{background:#fff;color:#1e88e5;box-shadow:0 4px 12px rgba(0,0,0,0.08)}
        .btn-light:hover{background:#f0f7ff;transform:translateY(-2px)}
        .btn-large{padding:18px 48px;font-size:18px}
        
        /* 主视觉区域 */
        .hero{background:linear-gradient(145deg,#e3f2fd 0%,#c5e0fc 100%);border-radius:0 0 60px 60px;padding:60px 0;margin-bottom:20px;position:relative;overflow:hidden}
        .hero::before{content:'';position:absolute;top:-50%;right:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(30,136,229,0.15) 0%,transparent 70%);border-radius:50%}
        .hero::after{content:'';position:absolute;bottom:-30%;left:-5%;width:300px;height:300px;background:radial-gradient(circle,rgba(10,77,164,0.1) 0%,transparent 70%);border-radius:50%}
        .hero-content{text-align:center;position:relative;z-index:2}
        .hero-badge{display:inline-block;background:rgba(30,136,229,0.15);color:#0a4da4;padding:6px 20px;border-radius:30px;font-size:14px;font-weight:600;margin-bottom:20px;backdrop-filter:blur(4px)}
        .hero h1{font-size:48px;font-weight:700;color:#0a4da4;margin-bottom:18px;line-height:1.2}
        .hero p{font-size:20px;color:#444;margin-bottom:35px}
        .hero-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
        .stats{display:flex;justify-content:center;gap:80px;margin-top:50px;flex-wrap:wrap}
        .stat-item{text-align:center}
        .stat-num{font-size:38px;font-weight:700;color:#1e88e5;line-height:1.2}
        .stat-label{color:#555;margin-top:8px;font-size:16px}
        .stars{color:#ffc107;font-size:22px;letter-spacing:3px;margin-bottom:5px}
        @media (max-width:768px){
            .hero h1{font-size:32px}
            .hero p{font-size:16px}
            .stats{gap:40px}
            .stat-num{font-size:28px}
        }
        
        /* 优势卡片网格 */
        .advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
        .advantage-card{text-align:center;padding:35px 25px;background:#fff;border-radius:20px;box-shadow:0 10px 30px rgba(0,102,204,0.06);transition:all 0.3s}
        .advantage-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,102,204,0.12)}
        .advantage-icon{font-size:48px;margin-bottom:20px}
        .advantage-card h3{font-size:22px;color:#0a4da4;margin-bottom:15px}
        .advantage-card p{color:#555;line-height:1.7}
        @media (max-width:992px){.advantages-grid{grid-template-columns:repeat(2,1fr)}}
        @media (max-width:576px){.advantages-grid{grid-template-columns:1fr}}
        
        /* 轮播 */
        .carousel{position:relative;overflow:hidden;padding:10px 0}
        .carousel-track{display:flex;transition:transform 0.5s ease}
        .carousel-slide{min-width:100%;padding:15px}
        .carousel-card{background:#fff;border-radius:24px;padding:40px;text-align:center;box-shadow:0 15px 40px rgba(0,102,204,0.08);max-width:800px;margin:0 auto}
        .carousel-icon{font-size:56px;margin-bottom:20px}
        .carousel-card h3{font-size:28px;color:#0a4da4;margin-bottom:18px}
        .carousel-card p{font-size:17px;color:#555;line-height:1.8;max-width:600px;margin:0 auto}
        .carousel-dots{display:flex;justify-content:center;gap:12px;margin-top:30px}
        .dot{width:12px;height:12px;border-radius:50%;background:#c5d5e8;cursor:pointer;transition:all 0.3s}
        .dot.active{background:#1e88e5;width:30px;border-radius:20px}
        
        /* 教程步骤 */
        .steps-container{display:flex;gap:30px;margin-top:30px;flex-wrap:wrap}
        .step-card{flex:1;min-width:220px;text-align:center;padding:35px 25px;background:#fff;border-radius:20px;box-shadow:0 10px 30px rgba(0,102,204,0.06);position:relative;transition:all 0.3s}
        .step-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,102,204,0.12)}
        .step-num{width:55px;height:55px;background:linear-gradient(135deg,#1e88e5,#0a4da4);color:#fff;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;margin:0 auto 22px;box-shadow:0 8px 16px rgba(30,136,229,0.25)}
        .step-card h3{font-size:20px;color:#0a4da4;margin-bottom:12px}
        .step-card p{color:#666;line-height:1.6}
        
        /* 版本卡片 */
        .versions-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;margin-top:20px}
        .version-card{text-align:center;padding:35px 20px;background:#fff;border-radius:20px;box-shadow:0 10px 30px rgba(0,102,204,0.06);transition:all 0.3s}
        .version-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,102,204,0.12)}
        .version-icon{font-size:52px;margin-bottom:18px}
        .version-card h3{font-size:22px;color:#0a4da4;margin-bottom:10px}
        .version-desc{color:#777;font-size:14px;margin-bottom:20px}
        @media (max-width:992px){.versions-grid{grid-template-columns:repeat(2,1fr)}}
        @media (max-width:576px){.versions-grid{grid-template-columns:1fr}}
        
        /* FAQ */
        .faq-container{max-width:900px;margin:0 auto;background:#fff;border-radius:24px;padding:10px;box-shadow:0 10px 30px rgba(0,102,204,0.06)}
        .faq-item{border-bottom:1px solid #e8edf3}
        .faq-item:last-child{border-bottom:none}
        .faq-question{padding:20px 25px;font-weight:600;color:#1a1a2e;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:16px;transition:background 0.2s}
        .faq-question:hover{background:#f5f9ff}
        .faq-question:after{content:'▼';font-size:12px;color:#1e88e5;transition:transform 0.3s}
        .faq-answer{padding:0 25px 20px 25px;color:#555;line-height:1.8;display:none}
        .faq-item.active .faq-answer{display:block}
        .faq-item.active .faq-question:after{transform:rotate(180deg)}
        .faq-number{color:#1e88e5;font-weight:700;margin-right:15px}
        
        /* 评论 */
        .reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:20px}
        .review-card{text-align:center;padding:35px 25px;background:#fff;border-radius:20px;box-shadow:0 10px 30px rgba(0,102,204,0.06)}
        .review-stars{color:#ffc107;font-size:22px;letter-spacing:4px;margin-bottom:18px}
        .review-text{color:#444;line-height:1.8;margin-bottom:20px;font-size:15px}
        .review-author{color:#1e88e5;font-weight:600}
        @media (max-width:768px){.reviews-grid{grid-template-columns:1fr}}
        
        /* 下载横幅 */
        .download-banner{background:linear-gradient(135deg,#0a4da4 0%,#1e88e5 100%);border-radius:30px;padding:60px 50px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:30px;box-shadow:0 20px 40px rgba(0,102,204,0.2)}
        .download-banner h2{color:#fff;font-size:34px;max-width:500px}
        .download-banner .btn-light{padding:18px 48px;font-size:18px}
        @media (max-width:768px){.download-banner{padding:40px 30px;text-align:center;justify-content:center}.download-banner h2{font-size:28px}}
        
        /* 使用场景轮播背景 */
        .scene-section{background:linear-gradient(180deg,#f0f7ff 0%,#e3f2fd 100%)}
        
        /* 安装流程 */
        .install-flow{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:20px 40px;margin-top:30px}
        .install-step{display:flex;align-items:center;gap:15px}
        .install-num{width:45px;height:45px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;color:#1e88e5;box-shadow:0 4px 12px rgba(0,0,0,0.06)}
        .install-text{font-size:16px;color:#333}
        .install-arrow{color:#1e88e5;font-size:24px}
        @media (max-width:768px){.install-arrow{display:none}}
        
        /* 功能介绍详细区 */
        .function-detail{display:flex;gap:40px;align-items:center;margin-top:40px;flex-wrap:wrap}
        .function-detail-content{flex:1;min-width:300px}
        .function-detail-content h3{font-size:28px;color:#0a4da4;margin-bottom:25px}
        .function-list{list-style:none}
        .function-list li{padding:15px 0;border-bottom:1px solid #e0e8f0;display:flex;align-items:center;gap:15px}
        .function-list li:before{content:'✓';display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:#e3f2fd;color:#1e88e5;border-radius:50%;font-weight:bold;margin-right:10px}
        .function-detail-image{flex:1;min-width:300px;background:linear-gradient(145deg,#e3f2fd,#c5e0fc);border-radius:30px;padding:40px;text-align:center}
        
        /* 页脚 */
        footer{background:#0a2540;color:#cfd8e6;padding:60px 0 25px;margin-top:20px}
        .footer-intro{max-width:900px;margin-bottom:35px;line-height:1.9;font-size:14px}
        .footer-links{display:flex;gap:60px;flex-wrap:wrap;margin-bottom:35px}
        .footer-col h4{color:#fff;margin-bottom:18px;font-size:18px}
        .footer-col a{color:#90a4c7;text-decoration:none;display:block;margin-bottom:10px;font-size:14px;transition:color 0.2s}
        .footer-col a:hover{color:#fff}
        .footer-bottom{text-align:center;padding-top:25px;border-top:1px solid #2a4058;font-size:14px}
    </style>