* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft Yahei";
    background-color: #fff;
}

.web {
    width: 1200px;
    margin: 0 auto;
}

a {
    text-decoration: none;
    cursor: pointer;
}

.main {
    margin-bottom: 40px;
}

.main .banner {
    background: url("../img/banner_bg.jpg") no-repeat center;
    height: 440px;
    margin-top: -48px;
    overflow: hidden;
}

.main .banner .left {
    background: url("../img/banner_text_bg.png") no-repeat;
    height: 219px;
    width: 450px;
    float: left;
    padding-left: 35px;
    padding-top: 15px;
    margin-left: 110px;
}

.main .banner .left .title {
    font-weight: bold;
    font-size: 34px;
    color: #ffffff;
    font-style: italic;
}

.main .banner .left .subTitle {
    font-size: 16px;
    color: #ffffff;
}

.main .banner .left .content {
    font-size: 14px;
    color: #ffffff;
    letter-spacing: 2px;
    width: 97%;
    margin-top: 39px;
    line-height: 20px;
}

.main .banner .right {
    position: relative;
    float: left;
    background: url("../img/banner_teacher_bg.png") no-repeat center;
    height: 163px;
    width: 364px;
    margin-left: 100px;
    margin-top: -30px;
}

.main .banner .right .lvl {
    font-size: 16px;
    color: #ffffff;
    float: left;
    width: 16px;
}

.main .banner .right .name {
    font-size: 22px;
    color: #ffffff;
    float: left;
    width: 16px;
}

.main .banner .right img {
    float: left;
    cursor: pointer;
    transition: all 0.3s;
}

.main .banner .right img:hover {
    transform: scale(1.1);
}

.main .teach-list {
    width: 998px;
    margin: 0 auto;
    background: #ffffff;
    margin-top: -81px;
    box-shadow: 0 0 50px rgba(66, 108, 226, 0.09);
    position: relative;
}

.main .teach-list #menu {
    margin: 0 auto;
    width: 928px;
    padding-top: 35px;
    overflow: hidden;
    margin-bottom: 36px;
    border-bottom: #d1d1d1 solid 1px;
}

.main .teach-list #menu li {
    float: left;
    font-size: 18px;
    color: #727272;
    cursor: pointer;
    width: 107px;
    text-align: center;
}

.main .teach-list #menu .current {
    color: #5b89fd;
    padding-bottom: 15px;
    border-bottom: #5b89fd 2px solid;
}

.main .teach-list .lujin {
    position: absolute;
    right: 35px;
    top: 45px;
}

.main .teach-list .lujin div {
    float: left;
    font-size: 12px;
    color: #a4a7be;
}

.main .teach-list .teacher {
    width: 1000px;
    padding-left: 10px;
    padding-bottom: 36px;
}

.teacher>div {
    padding-left: 0 !important;
}

.main .teach-list .teacher .teacherCard {
    width: 212px;
    height: 243px;
    background: #ffffff;
    border-radius: 7px;
    border: #f2f2f2 solid 1px;
    position: relative;
    margin-left: 26px;
    margin-top: 36px;
    margin-bottom: 36px;
    transition: all 0.2s;
}

.main .teach-list .teacher .teacherCard .top-half {
    height: 136px;
    width: 100%;
    background: #e6eaf3;
    border-top-left-radius: 7px;
    border-top-right-radius: 7px;
    padding-left: 15px;
    position: relative;
}

.main .teach-list .teacher .teacherCard .top-half .left p {
    font-size: 18px;
    color: #46526e;
    font-weight: bold;
    padding-top: 20px;
}

.main .teach-list .teacher .teacherCard .top-half .left span {
    font-size: 12px;
    color: #9497b5;
}

.main .teach-list .teacher .teacherCard .top-half .right {
    position: absolute;
    top: -44px;
    right: 0;
    width: 143px;
    height: 179px;
    overflow: hidden;
}

.main .teach-list .teacher .teacherCard .top-half .right img {
    /*width: 173px;*/
    height: 210px;
}

.main .teach-list .teacher .teacherCard .bot-half {
    overflow: hidden;
    color: #7c80a4;
    padding: 0px 20px;
    letter-spacing: 1px;
}

.main .teach-list .teacher .teacherCard .bot-half .content {
    font-size: 14px;
    margin-top: 16px;
    height: 65px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    text-overflow: ellipsis;
}

.main .teach-list .teacher .more {
    font-size: 14px;
    color: #797979;
    text-align: center;
    width: 100%;
    cursor: pointer;
}

.main .teach-list #studentMore {
    display: none;
}

.main .teach-list .student {
    display: none;
    width: 1000px;
    padding-left: 10px;
    padding-bottom: 36px;
    /*overflow: hidden;*/
}

.main .teach-list .student .teacherCard {
    width: 212px;
    min-height: 264px;
    background: #ffffff;
    border-radius: 7px;
    border: #f2f2f2 solid 1px;
    position: relative;
    margin-left: 26px;
    margin-top: 36px;
    margin-bottom: 36px;
    transition: all 0.2s;
}

.main .teach-list .student .teacherCard .top-half {
    height: 136px;
    width: 100%;
    background: #e6eaf3;
    border-top-left-radius: 7px;
    border-top-right-radius: 7px;
    padding-left: 15px;
    position: relative;
}

.main .teach-list .student .teacherCard .top-half .left p {
    font-size: 18px;
    color: #46526e;
    font-weight: bold;
    padding-top: 20px;
}

.main .teach-list .student .teacherCard .top-half .left span {
    font-size: 16px;
    color: #9497b5;
}

.main .teach-list .student .teacherCard .top-half .right {
    position: absolute;
    top: -44px;
    right: 0;
    width: 143px;
    height: 179px;
    overflow: hidden;
}

.main .teach-list .student .teacherCard .top-half .right img {
    width: 173px;
    height: 210px;
}

.main .teach-list .student .teacherCard .bot-half {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
    color: #7c80a4;
    padding: 0px 20px;
    letter-spacing: 1px;
}

.main .teach-list .student .teacherCard .bot-half .content {
    font-size: 14px;
    margin-top: 16px;
}

.main .teach-list a {
    display: block;
    position: relative;
    float: left;
}

.main .teach-list a::after {
    content: ' ';
    display: block;
    clear: both;
}

.main .teach-list a:hover .teacherCard {
    bottom: 20px;
    box-shadow: 0 0px 20px rgba(95, 108, 187, 0.23);
}

.main .teach-list .student .more {
    font-size: 14px;
    color: #797979;
    text-align: center;
    width: 100%;
    cursor: pointer;
}