html {
    font-size: 62.5%;
    font-size: 16px;
}

body {
    font-family: 微软雅黑, "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.42857143;
    color: #333;
    background-color: #fff;
    font-size: 1rem;
}


/* 大屏幕（大桌面显示器，大于等于 992px） */

@media screen and (min-width: 768px) {
    /* 内容 */
    /* tab */
    .nav-tabs>li {
        float: none;
        margin-bottom: 0;
        transition: width 1s;
        -webkit-transition: width 1s;
        /* Safari */
    }
    /* .nav-tabs>li>a:hover {
        height: 102px;
        background-color: #FA6600;
    } */
    .nav-tabs>li>a {
        margin-right: 0.125rem;
        line-height: 1.42857143;
        border: 1px solid #fff;
        border-radius: 0;
        width: 13.75rem;
        height: 3.875rem;
        padding: 1.375rem 4.75rem;
        color: #333333;
    }
    .nav-tabs>li.active>a,
    .nav-tabs>li.active>a:focus,
    .nav-tabs>li.active>a:hover {
        color: #fff;
        cursor: default;
        background-color: #FA6600;
        border: 1px solid #fff;
        border-bottom-color: transparent;
        height: 6.375rem;
        padding-top: 2.5rem;
    }
    .nav-tabs>li>a:hover {
        background-color: #FA6600;
        border-color: none;
        color: #fff
    }
    .ulfolat {
        font-size: 1rem;
        margin-top: 0;
        margin-bottom: 0.625rem;
        background-color: #f5f5f5;
        width: 13.75rem;
        height: 100%;
        margin-left: 7.5rem;
        margin-top: 0.375rem;
        float: left;
    }
    .floatleft {
        float: left;
        width: 53.375rem;
        margin-left: 0.625rem;
        margin-top: 0.375rem;
    }
    #height {
        height: 86.25rem;
        width: 13.75rem;
    }
    #headImg{
        margin-top:-2.1rem;
    }

}


/* 超小屏  */

@media (max-width: 767px) {
    /* 内容 */
    /* tab */
    .nav>li>a {
        position: relative;
        display: block;
        padding: 16px 15px;
        color: #333333;
    }
    .nav-tabs>li.active>a,
    .nav-tabs>li.active>a:focus,
    .nav-tabs>li.active>a:hover {
        color: #fff;
        cursor: default;
        background-color: #FA6600;
        border: 1px solid transparent;
        border-bottom-color: transparent;
    }
    .nav-tabs>li>a {
        margin-right: 2px;
        line-height: 1.42857143;
        border: 1px solid transparent;
        border-radius: 0;
    }

    /* 页脚 */
     /* #mobileFooter .show{
        display:none !important;
    } 
    #mobileFooter .hidden{
        display:block !important;
    } 
} */


/* pad屏 */

/* 小屏幕（平板，大于等于 768px） */

@media (min-width: 768px) and (max-width: 991px) {
    .ulfolat {
        margin-top: 0;
        margin-bottom: 10px;
        background-color: #f5f5f5;
        width: 220px;
        height: 100%;
        margin-left: 18px;
        margin-top: 6px;
        float: left;
    }
    .floatleft {
        float: left;
        width: 500px;
        margin-left: 10px;
        margin-top: 6px;
    }
}