.classes {
    background: #FFF;
}
.classes-banner {
    margin-top: 70px;
    width: 100%;
    height: 370px;
    background: url("../imgs/classes/banner.jpg") no-repeat;
    background-position: center;
    background-size: 1920px 370px;
    display: flex;
    position: relative;
}
.classes-banner>div:nth-child(1) {
    width: 1071px;
    height: 255px;
    margin: 0 auto;
    margin-top: 53px;
    /* box-shadow: 20px 20px 2px 1px rgba(255, 255, 255, .5); */
}
.classes-banner>div:nth-child(1) img {
    width: 100%;
    height: 100%;
}
.classes-wrapper {
    /* width: 1120px; */
    /* margin-left: 409px; */
    display: flex;
    padding: 70px 0;
}
.classes-wrapper-left {
    width: 697px;
}
.classes-wrapper-line {
    width: 1px;
    height: 696px;
    background: #D9D9D9;
    margin: 0 19px 0 26px;
}
.classes-wrapper-right {
    width: 389px;
}
.classes-wrapper-left .__title {
    margin-bottom: 15px;
    display: flex;
    height: 30px;
    align-items: center;
}
.classes-wrapper-left .__title_two {
    margin-top: 20px;
}
.classes-wrapper-left .__title>div:nth-child(1) {
    width: 4px;
    height: 20px;
    background: #108EE9;
    margin-right: 5px;
}
.classes-wrapper-left .__title>div:nth-child(2) {
    color: #333;
    font-size: 22px;
    line-height: 30px;
}
.classes-wrapper-left>p {
    font-size: 16px;
    line-height: 30px;
    color: #333;
    text-indent: 2em;
    margin-bottom: 46px;
}
.classes-wrapper-left .__list .__list__item{
    display: flex;
    margin-bottom: 20px;
}
.classes-wrapper-left .__list .__list__item>div:nth-child(1) {
    width: 42px;
    height: 22px;
    background: #EB9A37;
    color: #fff;
    line-height: 22px;
    text-align: center;
    margin-right: 19px;
}
.classes-wrapper-left .__list .__list__item>div:nth-child(2)>p:nth-child(1) {
    color: #333;
    font-size: 20px;
    line-height: 28px;
}
.classes-wrapper-left .__list .__list__item>div:nth-child(2)>p:nth-child(2) {
    color: #999;
    font-size: 16px;
    line-height: 22px;
    margin-top: 10px;
}
.classes-wrapper-right h3 {
    font-size: 22px;
    line-height: 30px;
    color: #333;
    margin-bottom: 15px;
}
.classes-wrapper-right .menu {
    width: 100%;
    cursor: pointer;
}
.classes-wrapper-right .list .list-head {
    height: 104px;
    display: flex;
    background: #fff;
    padding: 0 30px 0 20px;
}
.classes-wrapper-right .list .list-head img {
    width: 60px;
    height: 60px;
    align-self: center;
    margin-right: 19px;
    border-radius: 50%;
}
.classes-wrapper-right .list .list-head>div h4 {
    font-size: 20px;
    line-height: 28px;
    color: #333;
    margin-top: 20px;
}
.classes-wrapper-right .list .list-head>div p {
    font-size: 14px;
    line-height: 20px;
    color: #999;
    margin-top: 2px;
}
.classes-wrapper-right .list .items {
    font-size: 14px;
    color: #333;
    line-height: 30px;
    padding: 0 20px 20px 20px;
    background: #F0F0F0;
}
.classes-wrapper-right .list .items {
    display: none;
}
.classes-wrapper-right .active .items {
    display: block;
}
.classes-wrapper-right .active .list-head{
    background: #F0F0F0 !important;
}
.bbs-footer {
    margin-top: 60px;
    height: 234px;
    width: 100%;
    background: url("../imgs/bbs/bbsfooter.jpg") no-repeat;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.bbs-footer h4 {
    color: #fff;
    margin-top: 64px;
    font-size: 32px;
    line-height: 45px;
}
.bbs-footer p {
    margin-top: 13px;
    color: #fff;
    font-size: 16px;
    line-height: 22px;
}