* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            color: #333;
            background: #f5f7fa;
            line-height: 1.7;
        }
        /* Banner区域（差异化：渐变蒙版+非居中文字） */
        .banner {
            width: 100%;
            position: relative;
            height: 605px;
            overflow: hidden;
        }
        .banner-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .banner-mask {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, rgba(0, 20, 60, 0.8), rgba(0, 20, 60, 0.4));
            z-index: 1;
        }
        .banner-content {
            position: absolute;
            top: 50%;
            left: 23%;
            transform: translateY(-50%);
            color: #fff;
            z-index: 2;
            max-width: 600px;
        }
        .banner-content h1 {
            font-size: 42px;
            margin-bottom: 20px;
            font-weight: bold;
            line-height: 1.2;
        }
        .banner-content .highlight {
            color: #00e0ff;
            font-size: 48px;
            display: block;
            margin: 10px 0;
        }
        .banner-content p {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        .banner-content .btn {
            display: inline-block;
            padding: 14px 40px;
            background: #00e0ff;
            color: #00143c;
            text-decoration: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(0, 224, 255, 0.4);
        }
        /* 面包屑导航（保留class="nav"，样式微调） */
        .nav {
            width: 100%;
            padding: 18px 10%;
            background: #fff;
            font-size: 14px;
            border-bottom: 1px solid #eee;
        }
        .nav a {
            color: #666;
            text-decoration: none;
            margin-right: 8px;
        }
        .nav a:hover {
            color: #00e0ff;
        }
        .nav span {
            color: #999;
            margin: 0 5px;
        }
        .nav .current {
            color: #00e0ff;
            font-weight: bold;
        }
        /* 通用模块样式（差异化：圆角+阴影+渐变背景） */
        .container {
            width: 80%;
            margin: 0 auto;
            padding: 80px 0;
        }
        .module-title {
            font-size: 32px;
            color: #00143c;
            margin-bottom: 50px;
            position: relative;
            display: inline-block;
        }
        .module-title::after {
            content: "";
            display: block;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #00e0ff, #0088ff);
            margin-top: 10px;
        }
        /* 核心参数卡片（新增差异化模块） */
        .param-card {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 80px;
        }
        .param-item {
            flex: 1;
            min-width: 200px;
            background: #fff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            text-align: center;
        }
        .param-item .num {
            font-size: 48px;
            color: #00e0ff;
            font-weight: bold;
            margin-bottom: 10px;
        }
        .param-item .desc {
            font-size: 16px;
            color: #666;
        }
        /* 应用场景（差异化：左图右文+非对称布局） */
        .scene-module {
            display: flex;
            flex-wrap: wrap;
            gap: 50px;
            align-items: center;
            margin-bottom: 80px;
        }
        .scene-img {
            flex: 1;
            min-width: 400px;
            height: 400px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scene-text {
            flex: 1;
            min-width: 400px;
        }
        .scene-text h3 {
            font-size: 24px;
            color: #00143c;
            margin-bottom: 20px;
        }
        .scene-text ul {
            list-style: none;
        }
        .scene-text li {
            font-size: 16px;
            color: #555;
            margin-bottom: 15px;
            padding-left: 25px;
            position: relative;
        }
        .scene-text li::before {
            content: "";
            display: block;
            width: 8px;
            height: 8px;
            background: #00e0ff;
            border-radius: 50%;
            position: absolute;
            left: 0;
            top: 10px;
            box-shadow: 0 0 0 4px rgba(0, 224, 255, 0.1);
        }
        /* 核心优势（差异化：网格布局+图标卡片） */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-bottom: 80px;
        }
        .advantage-card {
            background: linear-gradient(180deg, #fff, #f9fcff);
            padding: 35px 25px;
            border-radius: 12px;
            border-left: 4px solid #00e0ff;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
        }
        .advantage-card .icon-box {
            width: 70px;
            height: 70px;
            background: rgba(0, 224, 255, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .advantage-card .icon-box img {
            width: 40px;
            height: 40px;
            object-fit: contain;
        }
        .advantage-card h4 {
            font-size: 18px;
            color: #00143c;
            margin-bottom: 10px;
        }
        .advantage-card p {
            font-size: 14px;
            color: #666;
        }
        /* 速冻效果对比（新增差异化模块） */
        .compare-module {
            background: #00143c;
            padding: 60px 0;
            border-radius: 12px;
            margin-bottom: 80px;
        }
        .compare-title {
            font-size: 28px;
            color: #fff;
            text-align: center;
            margin-bottom: 40px;
        }
        .compare-table {
            width: 90%;
            margin: 0 auto;
            border-collapse: collapse;
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
        }
        .compare-table th, .compare-table td {
            padding: 20px;
            text-align: center;
            border-bottom: 1px solid #eee;
        }
        .compare-table th {
            background: #f9fcff;
            color: #00143c;
            font-size: 16px;
        }
        .compare-table td {
            color: #555;
            font-size: 15px;
        }
        .compare-table .highlight-td {
            color: #00e0ff;
            font-weight: bold;
        }
        /* 服务流程（差异化：横向时间轴） */
        .process-timeline {
            position: relative;
            margin-bottom: 80px;
        }
        .process-timeline::before {
            content: "";
            display: block;
            width: 100%;
            height: 2px;
            background: #eee;
            position: absolute;
            top: 50%;
            left: 0;
            transform: translateY(-50%);
            z-index: 1;
        }
        .process-list {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .process-item {
            width: 200px;
            text-align: center;
            background: #fff;
            padding: 20px 15px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        .process-item .dot {
            width: 20px;
            height: 20px;
            background: #00e0ff;
            border-radius: 50%;
            margin: 0 auto 15px;
            box-shadow: 0 0 0 8px rgba(0, 224, 255, 0.1);
        }
        .process-item img {
            width: 60px;
            height: 60px;
            object-fit: contain;
            margin: 0 auto 15px;
            display: block;
        }
        .process-item h4 {
            font-size: 16px;
            color: #00143c;
            margin-bottom: 8px;
        }
        .process-item p {
            font-size: 13px;
            color: #777;
        }
        /* 响应式适配 */
        @media (max-width: 992px) {
            .container {
                width: 90%;
                padding: 60px 0;
            }
            .banner-content h1 {
                font-size: 32px;
            }
            .banner-content .highlight {
                font-size: 38px;
            }
            .scene-img, .scene-text {
                min-width: 100%;
            }
            .process-item {
                width: 150px;
                margin-bottom: 30px;
            }
        }
        @media (max-width: 576px) {
            .banner {
                height: 580px;
            }
            .banner-content {
                left: 5%;
                max-width: 90%;
            }
            .banner-content h1 {
                font-size: 26px;
            }
            .module-title {
                font-size: 26px;
            }
            .param-item .num {
                font-size: 36px;
            }
            .process-item {
                width: 100%;
            }
        }