body{
    margin: 0;
    padding:0;
    background: #f5f7fa;
}
a {
    color: #666;
    text-decoration: none;
    background-color: transparent;
    outline: none;
    cursor: pointer;
    transition: color .3s;
    -webkit-text-decoration-skip: objects;
}
/* 头部样式*/
.el-header{
    background: #fff;
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 1000;
}
.heart{
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.heart .logo{
    width: 230px;
    position: relative;
    display: inline-block;
    overflow: hidden;
}
.heart .custom-menu{
    position: relative;
    right: 0px;
    border-right: none;
    border-bottom: none;
}
.el-menu--horizontal>.el-menu-item.is-active {
    border-bottom:none
}
.custom-menu .title-item.is-active .title-item-font{
    font-weight: 500;
    color: #409EFF;
}
.custom-menu .title-item .title-item-font{
    font-size: 16px;
    font-weight: 400;
    color: #0f0f0f;
}

.search{
    width:300px;
    height: 60px;
    line-height: 60px;
}
.search .el-input__inner{
    height:33px;
    line-height: 33px;
    border-radius: 0px !important;
}
.search .el-button{
    width: 60px;
    border-radius: 0px;
    height: 33px;
    padding:0;
    margin-left: -5px;
}
.user-info{
    font-size: 14px;
    font-weight: 400;
    display: flex;
    align-items: center;
}
.user-info .flex-align-center {
    align-items: center;
}
.user-info .flex {
    display: flex!important;
}
.user-info .portrait{
    width: 30px;
    height: 30px;
}
.user-info .cursor-pointer{
    cursor: pointer;
}
/* 内容部分*/
.el-main{
    margin-top: 60px;
    padding:0;
}
.content{
    padding-top: 30px;
    padding-bottom: 30px;
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
    justify-content: space-between;
}
.el-row{
    width: 100%;
}
.box-card {
    width: 100%;
    height:320px;
    border-radius: 10px;
}
.banner{
    width:calc(100% - 20px);
    height:320px;
    margin-left: 20px;
    border-radius: 10px;
}
.banner .el-carousel__container{
    height:320px;
}
.join-exam{
    width: 100%;
    margin: 20px 0;
    margin-top: 30px;
    background: #fff;
    height: 50px;
    line-height: 50px!important;
    border-radius: 10px;
    display: inline-flex;
}

.join-exam-num{
    font-size: 22px;
    font-weight: 400;
    color: #fff;
    line-height: 30px;
    letter-spacing: 2px;
    text-align: center;
}
.join-exam .join-exam-num{
    font-size: 16px;
    text-align: left;
    padding-left: 20px;
    color: #000;
    line-height: 16px!important;
}
.join-exam img{
    width: 20px;
    height: 20px;
    margin-top: 15px;
    padding-right: 5px;
}
.home-learn{
    width: 100%;
    margin: 10px 0;
}
.home-learn .el-button--text{
    color:#666 !important;
}
.home-online{
    width: 100%;
    margin-bottom: 30px;
}
.home-online .el-button--text{
    color:#666 !important;
}

.home-class .home-online-contain-card-item {
    width: 292px!important;
    height: 328px;
    box-sizing: border-box;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    align-items: normal!important;
    margin-top: 20px!important;
}
.home-class .home-online-contain-card-item:hover {
    border-color: #fff;
    box-shadow: 0 0 8px rgb(0 0 0 / 10%);
    transition: .3s;
    transform: translateY(-5px);
}
.home-class .home-online-contain-card-item  .el-card__body{
    padding:0;
}
.home-class .home-online-contain-card-item img{
    width: 292px!important;
    height: 150px;
    border-radius: 8px;
}
.home-class .home-online-contain-card-item .course-card_content{
    padding: 12px;
    transform: translateZ(0);
    -webkit-font-smoothing: subpixel-antialiased;
}
.home-class .home-online-contain-card-item .course-card_content .lesson{
    height: 48px;
    line-height: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-size: 16px;
    color: #333;
    margin-bottom: 12px;
    text-align: left!important;
}
.home-class .home-online-contain-card-item .course-card_content .lesson b{
    height: 17px;
    line-height: 17px;
    font-size: 12px;
    display: inline-block;
    padding: 0 4px;
    margin-right: 6px;
    color: #fff;
    border-radius: 3px;
    background: rgba(255,63,41,.8);
}
.home-class .home-online-contain-card-item .course-card_content .course-card_info{
    height: 17px;
    font-size: 12px;
    line-height: 17px;
    color: #666;
    margin-bottom: 4px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.home-class .home-online-contain-card-item .course-card_content .bottom_p{
    border-top: 0.5px solid hsla(0,0%,60%,.15);
    padding-top: 14px;
    height: 35px;
    position: relative;
}
.home-class .home-online-contain-card-item .course-card_content .bottom_p .bottom_p_left{
    overflow: hidden;
    font-size: 12px;
    position: absolute;
    bottom: 0;
}
.home-class .home-online-contain-card-item .btn{
    position: absolute;
    right: 0;
    bottom: 0;
    width: 124px;
    height: 32px;
    opacity: 1;
    background: #f3f3f3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-family: PingFangSC,PingFangSC-Regular;
    font-weight: 400;
    text-align: center;
    color: #424242;
    line-height: 25px;
    margin-top: 24px;
    cursor: pointer;
}
.class-type{
    width:100%;
    height:80px;
    border-radius: 8px;
    line-height: 80px;
    color: #7f7f7f;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    background: #fff;
}
.class-type:hover{
    color: #fff;
    background: #409EFF;
}
.type-next-page {
    line-height: 80px;
}
.type-next-page .el-button{
    border:none;
    color: #fff;
    background: rgba(31,45,61,.23);
}
.type-next-page .el-button:hover{
    background: #409EFF;
}
/*尾部样式*/
.el-footer {
    padding:0;
    box-sizing: border-box;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    background: #fff;
    height: 158px !important;
}
.footer-content{
    display: flex;
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
    justify-content: space-between;
    height: 158px;
}
.footer-content .footer-left{
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}
.footer-content .footer-left .footer-logo{
    display: flex;
    align-items: center;
    padding: 10px 0;
}
.footer-content .footer-left .footer-logo .logo{
    width: 230px;
}
.footer-content .footer-left .footer-copyright{
    font-size: 12px;
    font-weight: 400;
    text-align: left;
    color: #0f0f0f;
    padding: 6px 0;
}
.footer-content .footer-left .footer-other{
    font-size: 10px;
    font-weight: 400;
    text-align: left;
    color: #7f7f7f;
    display: block;
    line-height: 18px;
}
.footer-content .footer-left .footer-other img{
    width: 17px;
    height: 17px;
    vertical-align: middle;
    border-style: none;
    border: none;
}
.bei{
width: auto;
display: flex;
}
.bei span{
display: inline-block;
margin-right: 10px;
}
.footer-content .footer-right{
display: flex;
align-items: center;
height: 100%;
}
.upload_app{
text-align: center;
}
.upload_app img{
    width:100px;
    height:100px;
    margin-top: 15px;
}
.upload_app p{
    margin-top: 5px;
}