.banner{
    background: url(https://xjwtpc.oss-cn-beijing.aliyuncs.com/master/master01.jpg) center no-repeat;
    height: 600px;
    margin-top: -50px;
}
.teacher-item{
    display: block;
    width: 100%;
    padding-left: 320px;
    padding-top: 50px;
    padding-right: 100px;
    background-position: 40px 20px;
    background-color: #3C4046 !important;
    background-repeat: no-repeat;
    box-sizing: border-box;
}
.teacher-photo1{
    background-image: url("https://xjwtpc.oss-cn-beijing.aliyuncs.com/index/teacher-photo1.png");
}
.teacher-photo2{
    background-image: url("https://xjwtpc.oss-cn-beijing.aliyuncs.com/index/teacher-photo2.png");
}
.teacher-photo3{
    background-image: url("https://xjwtpc.oss-cn-beijing.aliyuncs.com/index/teacher-photo3.png");
}
.teacher-photo4{
    background-image: url("https://xjwtpc.oss-cn-beijing.aliyuncs.com/index/teacher-photo4.png");
}
.teacher-item h3{
    font-size: 36px;
    color: #fff;
    line-height: 45px;
    padding-bottom: 30px;
}
.teacher-item .teacher-post{
    font-size: 20px;
    color: #FFB800;
    line-height: 30px;
    margin-bottom: 15px;
}
.teacher-item .teacher-info{
    font-size: 16px;
    color: #e0e0e0;
    line-height: 1.6;
    margin-bottom: 40px;
}
.teacher-thumbnail li{
    float: left;
    width: 130px;
    height: 140px;
    cursor: pointer;
    overflow: hidden;
}
.teacher-thumbnail li img{
    width: 100%;
}
.teacher-thumbnail li.active{
    width: 260px;
    height: 280px;
}
#teacher-box .layui-carousel-ind{
    position: absolute;
    top: 0;
    right: -390px;
    width: 390px;
    height: auto;
}
#teacher-box .layui-carousel-ind ul{
    width: 100%;
    padding: 0;
    border-radius: 0;
}

#teacher-box .layui-carousel-ind ul,.layui-carousel-ind ul:hover{
    background-color: transparent;
}
#teacher-box .layui-carousel-ind li{
    display: block;
    float: left;
    width: 195px;
    height: 210px;
    margin: 0;
    background-color: rgba(0,0,0,.3);
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-position: 0 0;
    color: #fff;
    border-radius: 0;
    position: relative;
}
#teacher-box .layui-carousel-ind li:before{
    position: absolute;
    left: 0;
    top: 0;
    width: 195px;
    height: 210px;
}
#teacher-box .layui-carousel-ind li.layui-this{
    background-color: rgba(0,0,0,0);
}

.fixed-img-full{
    height: 300px;
    background: url(https://xjwtpc.oss-cn-beijing.aliyuncs.com/master/master02.jpg) center center / cover no-repeat fixed;
}
.fixed-img-full h2{
    font-size: 56px;
    text-align: center;
    color: #fff;
    line-height: 300px;
}

.master-box{
    position: relative;
    text-align: center;
    margin: 0 12px 16px;
    padding: 20px 20px 0;
    height: 450px;
    background: #fff;
    box-shadow: 12px 12px 12px rgba(0,0,0,.25);
    cursor: pointer;
    overflow: hidden;
}
.master-box:hover{
    transform: scale(1.08,1.08);
    transition: all .35s ease;
}
.master-box .master-content{
    position: absolute;
    left: 0;
    right: 0;
    top: 66%;
    bottom: 0;
    padding: 25px 30px;
    text-align: left;
    background: #fff;
    box-shadow: 0px -10px 10px -7px rgba(0,0,0,.07);
}
.master-box .left-line{
    position: absolute;
    left: 0;
    bottom: 0;
    height: 0;
    border-left-style: solid;
    border-left-color: #1E9FFF;
}
.master-box .right-line{
    position: absolute;
    right: 0;
    top: 0;
    height: 0;
    border-right-style: solid;
    border-right-color: #1E9FFF;
}
.master-box .top-line{
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    border-top-style: solid;
    border-top-color: #1E9FFF;
}
.master-box .bottom-line{
    position: absolute;
    right: 0;
    bottom: 0;
    width: 0;
    border-bottom-style: solid;
    border-bottom-color: #1E9FFF;
}
.master-box:hover .left-line,.master-box:hover .right-line{
    border-width: 4px;
    height: 100%;
    transition: all .5s ease;
}
.master-box:hover .top-line,.master-box:hover .bottom-line{
    border-width: 4px;
    width: 100%;
    transition: all .5s ease;
}
/*
.master-box:before{
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top:0;
    height: 0;
    background: rgba(0,0,0,.45);
    z-index: 2;
}
.master-box:after{
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom:0;
    height: 0;
    background: rgba(0,0,0,.45);
    z-index: 2;
}
.master-box:hover:before{
    height: 50%;
    transition: all .45s ease;
}
.master-box:hover:after{
    height: 50%;
    transition: all .45s ease;
}
*/
.master-box .master-content h4{
    font-size: 22px;
    line-height: 1.8;
    color: #383838;
    margin-bottom: 15px;
}
.master-box .master-content p{
    font-size: 16px;
    line-height: 1.4;
    color: #686868;
}
.master-box:hover .master-content{
    top: 48%;
    transition: all .35s ease;
}