.aImg,.aImg img{
    display: block;
    width: 100%;
    height: 100%;
}
.clearfix:after {
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}
.Selection-secondNav{
    padding: 10px 0 0;
}
.secondNav-banner{
    width: 1200px;
    height: 100px;
    margin: 0 auto;
    background: mediumaquamarine;
}
.secondNav-logo-search{
    width: 1200px;
    height: 134px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 24px 14px 12px;
    text-align: center;
}
.secondNav-logo{
    float: left;
    margin-top: 28px;
}
.secondNav-logo-two{
    display: inline-block;
}
.secondNav-search{
    width: 296px;
    height: 34px;
    position: relative;
    float: right;
    margin-top: 42px;
    border-bottom: 1px solid #462bad;
}
.secondNav-search input{
    position: absolute;
    top: 0;
    left: 0;
    width: 270px;
    height: 35px;
    border: none;
    padding: 0;
    font-size: 18px;
    outline: none;
    color: #939393;
    background: none;
    box-sizing: border-box;
}
.secondNav-search button{
    position: absolute;
    width: 22px;
    height: 22px;
    border: none;
    right: 0;
    top: 50%;
    margin-top: -11px;
    background: url(https://f2.zhizunsf176.com/M00/59/E0/rBABDGJ0wySAUs6KAAAAAAAAAAA6762483.search-btn.png) no-repeat;
}
.secondNav-box{
    width: 100%;
    height: 50px;
    background-color: #462bad;
}
.secondNav-list{
    width: 1200px;
    margin: 0 auto;
}
.secondNav-list ul{
    padding: 0 30px;
}
.secondNav-list li{
    width: 190px;
    font-size: 16px;
    float: left;
    text-align: center;
    position: relative;
    line-height: 50px;
}
.secondNav-list li a{
    color: #fff;
}
.secondNav-list li span{
    position: absolute;
    width: 40px;
    height: 2px;
    background: #fff;
    left: 50%;
    margin-left: -20px;
    bottom: 0;
    display: none;
}
.secondNav-list li.navActive span{
    display: block;
}
.secondCode{
    background: url(https://f2.zhizunsf176.com/M00/59/E0/rBABDGJ0wySAUs6KAAAAAAAAAAA6762483.douyinpc.png) no-repeat;
    width: 132px;
    height: 166px;
    position: fixed;
    right: 2px;
    top: 50%;
    margin-top: -83px;
    z-index: 200;
}
.secondCode span{
    position: absolute;
    top:8px;
    right: 8px;
    width: 16px;
    height: 16px;
    cursor: pointer;
}