.seat{
        width: 1000px;
        height: 35px;
        background: #EEF3E8;
        margin: 0 auto;
    }
    .main{
        width: 1000px;
        margin: 0 auto;
    }
    .top{
        display: flex;
        position: relative;
        justify-content: space-between;
        align-items: center; 
        margin-top: 12px;
    }
    .logo{
        width: 200px;
        height: 41px;
    }
    .ad_1{ 
        width: 350px; 
        height: 65px;
    }
    .search{
        width: 400px;
        height: 45px;
        border: 1px solid #70B603;
        border-right: none;
        border-radius: 5px;
        outline: none;
        padding-left: 10px;
    }
    .text-search{   
        display: inline-block;
        width: 100px;
        height: 45px;   
        line-height: 45px;
        text-align: center;
        background: #70B603;
        color: #fff;
        border-radius: 0 5px 5px 0;
        margin-left: -100px;
        position: absolute;
        top:0px;
        font-weight: 700;
    }
    .text-search:hover{
        background: #4B7902;
        border-bottom: 3px solid #4B7902;
    }
    .nav{
        height: 50px;
        line-height: 50px;
        background: #70B603;
        margin-top:10px;
    }
    .nav-item{
        display: inline-block;
        padding:0 6px;
        color: #fff;
        font-size:16px;
        font-weight: 700;
    }
    .nav-item.active{
        background-color: #4B7902;
    }