body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #ffffff;
        }
        header{
            background-color: #aac7f8;
        }
        .top{
            background: linear-gradient(to bottom, #aac7f8, #ffffff, #ffffff);
            padding:1.2rem 1rem;
        }
        .top .notice{
            background:#eff3ff;
            height:4vh;
            border-radius:0.4rem;
            padding:0.15rem 1rem;
            display: flex;
            align-items:center;
        }
        .notice .notice_txt{
            padding-left:1.3rem;
            color:#134b87;
        }
        .top .top_button{
            width:100%;
            display:flex;
            justify-content: space-between;
            margin-top:2vh;
        }
        .top .top_button div:first-child{
            width:50%;
            text-align:left;
        }
        .top .top_button div:last-child{
            width:50%;
            text-align:right;
        }
        .top .nav{
            width:100%;
            margin-top:3vh;
            display: flex;
            justify-content: space-between;
        }
        .nav .nav-item{
            position: relative;
        }
        .nav .nav-name{
            font-size:0.98rem;
        }
        .top .nav>div{
            text-align:center;
            width:25%;
        }
        .nav .nav_icon{
            border-radius:50%;
        }
        .top .nav1{
            width:100%;
            margin-top:3vh;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .top .nav1>div{
            width:50%;
            text-align:center;
            margin-bottom:2vh;
        }
        /* 客服图标容器 */
        .float-service {
            position: fixed;
            right: 2%;
            bottom: 100px;
            z-index: 9999;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
        }
        /* 主图标 */
        .service-icon {
            width: 50px;
            height: 50px;
            background-color: #ffffff; /* 微信绿，可替换 */
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
            transition: all 0.3s;
        }
        .service-icon:hover {
            background-color: #2d84f0;
            transform: scale(1.05);
        }
        /* 展开的菜单（默认隐藏） */
        .service-menu {
            display: none;
            margin-bottom: 10px;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 10px;
            text-align: center;
        }
        .service-menu p {
            margin: 5px 0;
            font-size: 14px;
            color: #333;
        }
        /* 悬停主图标时显示菜单 */
        .float-service:hover .service-menu {
            display: none;
        }
        footer{
            position: fixed;
            bottom:0;
            width:100%;
            height:8vh;
            background:#ffffff;
            box-shadow: 0px -5px 10px rgba(0, 0, 0, 0.15);
        }
        footer .tabbar{
            height:100%;
            display:flex;
            justify-content: space-around;
            align-items:center;
        }
        footer .tabbar>div{
            text-align:center;
        }
        .tabbar_icon{
            width:60%;
            padding:0.2rem 0;
        }
        .tabbar .tabar-name{
            font-size: 0.7rem;
            line-height: 0.6rem;
            color:#333;
        }
        .notice .van-icon .van-icon__image{width:1.5rem;height:1.5rem;}
        .notice .van-notice-bar__wrap{margin-left:1rem;}
        .notice-swipe {
            height: 3rem;
            line-height: 3rem;
        }
        .badge{
            position: absolute;
            right:0;
            top:0;
        }