.d-title{
    font-size: 38px;
    text-align: center;
}

.interval{
    padding: 60px 0;
}

.teacher-banner{
    padding-bottom: 66px;
    border: 1px solid transparent;
    background: #f7f7f7;
}

.teacher-banner-box{
    background: url("https://www.xuedaoniu.com/static/web/img/shixun/same03.jpg") center no-repeat;
}

.teacher-banner-box .container{
    border-top: 1px solid transparent;
}

.teacher-banner .content-box{
    background: url("https://www.xuedaoniu.com/static/web/img/shixun/same04.jpg") center;
    height: 310px;
    margin-top: 65px;
    border-top: 1px solid transparent;
    position: relative;
}

.teacher-banner .content-box h3{
    width: 100%;
    text-align: center;
    font-weight: bold;
    margin:60px 0 22px;
    font-size: 42px;
}

.teacher-banner ul li{
    list-style: none;
    display: flex;
    align-items: center;
    margin-left: 5rem;
    color: #999;
}

.teacher-banner ul li span{
    margin-right: 1rem;
}

.teacher-banner .jy-text{
    position: absolute;
    bottom: 0;
    background: #1c1717;
    margin-left: 14px;
    padding: 0;
}

.teacher-banner .jy-text span{
    color: #fff;
    line-height: 66px;
    display: inline-block;
    text-align: center;
    float: right;
    font-size: 16px;
    background: #ff6960;
    padding:0 1rem;
}

.teacher-banner .jy-text .pic{
    width: 65px;
    height: 60px;
    background: url('https://www.xuedaoniu.com/static/web/img/chengnuo.png') center no-repeat;
    display: inline-block;
}

.teacher-standard .content-box{
    display: flex;
}

.teacher-standard .content-box img{
    width: 61px;
    height: 61px;
}

.teacher-standard .content-box .text-box{
    margin-left: 1rem;
}

.teacher-standard .content-box .text-box b{
    font-size: 18px;
    color: #444;
    display: block;
    margin-bottom: 8px;
}

.teacher-standard .content-box .text-box span{
    font-size: 14px;
    color: #999;
    line-height: 18px;
}

.teacher-standard .row{
    padding: 4rem 0 3rem;
    border-bottom: 5px solid #f5f8fa;
}

.teacher-standard .content-box .left-box{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 249px;
    margin-top: 2rem;
    width: 10%;
    background:url("../img/teacher/line01.png") center no-repeat;
}

.teacher-standard .content-box .left-box>div{
    text-align: center;
    font-weight: bold;
    font-size: 24px;
}

.teacher-standard .content-box .left-box>div:nth-child(2){
    font-size: 14px;
    width: 46px;
    height: 46px;
    background: #ff5950;
    line-height: 46px;
    border-radius: 100%;
    color: #fff;
    margin: 0 auto;
}

.teacher-standard .content-box .right-box{
    width: 90%;
    height: 372px;
}

.teacher-standard .content-box .right-box ul{
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;

}

.teacher-standard .content-box .right-box ul li{
    text-align: center;
    z-index: 999;
}

.teacher-standard .content-box .right-box ul li span{
    display: block;
    background: url("https://www.xuedaoniu.com/static/web/img/teacher/content05.png");
    width: 118px;
    height: 109px;
    line-height: 105px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    color: #666;
    z-index: 99;
}

.teacher-standard .content-box .right-box ul li b{
    margin: 1rem 0;
    font-weight: 1000;
    font-size: 18px;
}

.teacher-standard .content-box .right-box ul li p{
    font-size: 14px;
    color: #999999;
}

.teacher-standard .content-box .right-box .right-box-list{
    position: relative;
}

.teacher-standard .content-box .right-box .right-box-list img{
    margin: 0 auto;
    height: 17px;
    width: auto;
    position: absolute;
    top: 42px;
    left: 139px;
}

.teacher-shots{
    background: #f5f8fa;
}

.teacher-shots .row .col-md-3{
    text-align: center;
    padding: 1rem;
}

.teacher-shots .row .col-md-3 span{
    display: block;
    height: 76px;
    width: 76px;
    background: url("https://www.xuedaoniu.com/static/web/img/teacher/fenbi01.png");
    text-align: center;
    line-height: 76px;
    color: #ff6960;
    font-weight: bold;
    margin: 0.5rem auto;
}

.teacher-shots .row .col-md-3 p{
    margin: 0.5rem 0;
    color: #999;
    font-size: 14px;
}

.teacher-shots .row .col-md-6{
    padding: 1rem;
    overflow: hidden;
}

.teacher-shots .row .col-md-6>.teacher-item{
    background: #ffffff;
    position: relative;
    padding: 1rem;
}

.teacher-shots .row .col-md-6>.teacher-item>span{
    display: block;
    width: 278px;
    height: 278px;
    overflow: hidden;
    border-radius: 50%;
    margin: 0 auto;

}

.teacher-shots .row .col-md-6 .text{
    width: 100%;
    text-align: center;
    margin: 1rem 0;
}

.teacher-shots .row .col-md-6 .text>span{
    font-size: 24px;
    margin: 0 1rem;
}

.teacher-shots .row .col-md-6 .text>span:last-child{
    color: #999;
    font-size: 20px;
}

.teacher-shots .row .col-md-6 p{
    font-size: 18px;
    text-align: center;
    color: #999999;
}

.teacher-shots .row .col-md-6 .detail-btn{
    height: 0;
    background: rgba(63,68,72,0.7);
    text-align: center;
    line-height: 78px;
    position: absolute;
    width: 100%;
    left: 0;
    bottom: 0;
    transition: all 1s;
}

.teacher-shots .row .col-md-6 .teacher-item:hover .detail-btn{
    height:78px;
}

.teacher-shots .row .col-md-6 .detail-btn a{
    background: #e9e8e8;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    color: #999999;
    text-decoration: none;
}

.teacher-4 .top-box{
    height: 142px;
    display: flex;
    overflow: hidden;
}

.teacher-4 .top-box>div{
    display: flex;
}

.teacher-4 .top-box b{
    font-size: 26px;
    color: #fff;
    margin-left: 22px;
    width: 123px;
    margin-top: 36px;
}

.teacher-4 .top-box span{
    font-size: 17px;
    color: #fff;
    text-align: left;
    margin-left: 50px;
    margin-top: 43px;
}

.teacher-4 .top-box span em{
    display: block;
    font-size: 12px;
    color: #caced9;
}

.teacher-4 .top-box-left{
    background: #8b93af;
}

.teacher-4 .top-box>div:last-child>span{
    font-size: 14px;
    color: #fff;
    background: #fab400;
    width: 112px;
    height: 50px;
    line-height: 50px;
    float: right;
    border-radius: 30px;
    margin-top: 46px;
    margin-right: -21px;
    text-align: center;
}

.teacher-4 .row .row-list p{
    font-size: 14px;
    color: #999;
    text-indent: 2em;
    line-height: 24px;
    margin: 0 auto;
    text-align: left;
    border: 1px solid lightgray;
    padding: 1rem;
}

.teacher-4 .carousel-indicators{
    /*background: #999999;*/
}

.teacher-4 .carousel-item{
    height: 425px;
}

.teacher-4 .carousel-indicators li{
    background: #e8e8e8;
    border: 0;
}

@media screen and (max-width: 1200px) {
    .teacher-banner .content-box h3{
        font-size: 35px;
    }

    .teacher-4 .top-box div.text{
        display:none;
    }
}