        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: "Microsoft YaHei", Arial, sans-serif;
            color: #333;
            line-height: 1.6;
            background: #fff;
        }
        img {max-width:100%;}
        a {text-decoration:none; color:#333;}

        /* 主体固定1600px */
        .container {
            max-width: 1600px;
            width: 1600px;
            margin: 0 auto;
            padding: 0 15px;
            position: relative;
        }

        /* 左侧悬浮导航 */
        .cs-left-nav {
            position: fixed;
            top: 50%;
            transform: translateY(-50%);
            left: calc(50% - 800px - 210px);
            width: 200px;
            background: #fff;
            border: 1px solid #eee;
            border-radius: 6px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
            overflow: hidden;
            z-index: 99;
        }
        .cs-left-nav-title {
            padding: 12px;
            background: #0066cc;
            color: #fff;
            font-size: 15px;
            text-align: center;
        }
        .cs-left-nav-list a {
            display: block;
            padding: 11px 14px;
            color: #333;
            font-size: 14px;
            border-bottom: 1px solid #f5f5f5;
            transition: 0.2s;
        }
        .cs-left-nav-list a:last-child {border-bottom:none;}
        .cs-left-nav-list a:hover,
        .cs-left-nav-list a.cur {
            background: #f5f9ff;
            color: #0066cc;
            padding-left: 18px;
        }

        /* 主体 */
        .main-wrapper {
            margin: 80px auto !important;
            padding: 40px 0;
        }

        /* 面包屑 */
        .cs-breadcrumb {
            font-size: 14px;
            color: #666;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        .cs-breadcrumb a { color: #666; }
        .cs-breadcrumb a:hover { color: #0066cc; }
        .cs-breadcrumb span { margin:0 8px; }

        /* 标题 */
        .list-title {
            font-size: 26px;
            font-weight: 600;
            color: #003e79;
            margin-bottom: 35px;
            padding-bottom: 10px;
            border-bottom: 2px solid #c49a2b;
            display: inline-block;
        }

        /* 服务列表 一行4个 一页8个（2行） */
        .service-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }
        .service-item {
            background: #fff;
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .service-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
        }
        .service-img {
            width: 100%;
            height: 210px;
            overflow: hidden;
        }
        .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: 0.3s;
        }
        .service-item:hover .service-img img {
            transform: scale(1.05);
        }
        .service-info {
            padding: 22px;
        }
        .service-name {
            font-size: 18px;
            font-weight: 500;
            color: #222;
            margin-bottom: 10px;
        }
        .service-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.7;
            margin-bottom: 18px;
            min-height: 46px;
        }
        .service-more {
            display: inline-block;
            padding: 7px 16px;
            background: #0066cc;
            color: #fff;
            font-size: 14px;
            border-radius: 4px;
            transition: 0.2s;
        }
        .service-more:hover {
            background: #005bb0;
        }

        /* 翻页样式（极简通用，你调用超级方便） */
        .page-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
        }
        .page-item {
            width: 58px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #eee;
            border-radius: 4px;
            font-size: 14px;
            color: #666;
            background: #fff;
            transition: 0.2s;
        }
        .page-item:hover,
        .page-item.cur {
            background: #0066cc;
            color: #fff;
            border-color: #0066cc;
        }
        .page-text {
            font-size: 14px;
            color: #666;
            padding: 0 10px;
        }

        /* 响应式 */
        @media (max-width: 1700px) {
            .container { width: 100%; }
            .cs-left-nav { left: 20px; }
        }
        @media (max-width: 1400px) {
            .service-list { grid-template-columns: repeat(3,1fr); }
        }
        @media (max-width: 1200px) {
            .cs-left-nav { display: none; }
            .service-list { grid-template-columns: repeat(2,1fr); }
        }
        @media (max-width: 768px) {
            .service-list { grid-template-columns: repeat(1,1fr); }
        }