/* 一个图片 */
.w{
    width: 1300px !important;
}
.banner {
    width: 100%;
}
.banner img {
    width: 100%;
}

/* 内页内容 */
.cat-tab {
    width: 100%;
    border-bottom: 1px solid #f1f1f1;
    margin-top: 30px;
}
.cat-tab .cat-tab-item {
    float: left;
    padding: 10px 20px;
    font-size: 18px;
    color: #000;
    line-height: 30px;
    cursor: pointer;
    border-bottom: 4px solid transparent;
    margin: 0 20px;
}
.cat-tab .cat-tab-item:first-child {
    margin-left: 10px;
}
.cat-tab .cat-tab-item.active {
    color: #ff5000;
    border-bottom: 4px solid #ff5000;
}
.cat-tab .cat-tab-item:hover{
    color: #ff5000;
    border-bottom: 4px solid #ff5000;
}
.inside-pages .inside-row>h3 {
    font-size: 30px;
    font-weight: bold;
    color: rgb(53,53,53);
    text-align: center;
    line-height: 40px;
    margin-top: 90px;
}
/* 课程体系 */
.onlineclass_con {
    margin-top: 50px;
    background-color: white;
    padding: 24px 40px 14px;
    box-shadow: 0 0 10px 0 #f1f1f1;
}
.onlineclass_con .onlineclass_row {
    display: flex;
    flex-direction: row;
    flex-wrap: initial;
    -webkit-box-pack: start;
    justify-content: flex-start;
    align-items: flex-start;
    flex: initial;
}
.onlineclass_con .onlineclass_row .onlineclassname {
    width: 60px;
    color: rgb(153, 153, 153);
    font-size: 14px;
    display: block;
    line-height: 32px;
    text-align: right;
    margin-right: 8px;
    transition: all 0.2s ease 0s;
}
.onlineclass_con .onlineclass_row .classcon {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    -webkit-box-pack: start;
    justify-content: flex-start;
    align-items: flex-start;
    flex: 1 1 0%;
}
.onlineclass_con .onlineclass_row .classitem.allclass {
    text-align: center;
    margin-right: 8px;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    background-color: rgb(245, 246, 246);
    color: #ff6637;
    padding: 6px 16px;
    border-radius: 2px;
}
.onlineclass_con .onlineclass_row .classitem {
    text-align: center;
    margin-right: 8px;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 14px;
    background-color: white;
    color: rgb(51, 51, 51);
    padding: 6px 16px;
    border-radius: 2px;
}
.onlineclass_con .onlineclass_row .classitem:hover {
    color: #ff6637;
}
.onlineclasscontents {
    margin-top: 20px;
    margin-bottom: 10px;
    overflow: hidden;
}
.onlineclasscontents li {
    float: left;
    width: 283px;
    margin-left: 16px;
    margin-top: 22px;
    margin-bottom: 10px;
    box-shadow: 0 2px 18px 2px rgba(217,223,231,0.6);
}
.onlineclasscontents li:nth-child(4n+1) {
    margin-left: 10px;
}
.onlineclasscontents li .img_info {
    width: 283px;
    height: 240px;
    position: relative;
    overflow: hidden;
}
.onlineclasscontents li .img_info img {
    width: 100%;
    height: 100%;
}
.onlineclasscontents li .course_info {
    background-color: #ffffff;
}
.onlineclasscontents li .course_info .course_info_det {
    padding: 10px 20px 0;
    border-left: 1px solid #f6f6f6;
    border-right:  1px solid #f6f6f6;
    border-bottom:  1px solid #f6f6f6;
}
.onlineclasscontents li .course_info p {
    font-size: 14px;
    color: #a7afc4;
    line-height: 30px;
    height: 46px;
    margin-top: 5px;
}
.onlineclasscontents li .course_info .teacher_item {
    padding: 0 20px;
    font-size: 12px;
    color: #a7afc4;
    line-height: 37px;
    border-bottom: 1px solid #f6f6f6;
    border-left: 1px solid #f6f6f6;
    border-right: 1px solid #f6f6f6;
}
.onlineclasscontents .hover-box:hover {
    box-shadow: 0 0 10px 0 #999 !important;
    animation: .15s forwards info-item-in;
}
.item-in {
    box-shadow: 0 0 10px 0 #999 !important;
    animation: .15s forwards info-item-in;
}
@keyframes info-item-in {
    from{
        -webkit-transform:translateY(0);
        transform:translateY(0);
    }
    to{
        -webkit-transform:translateY(-8px);
        transform:translateY(-8px);
    }
}
/* 课程套餐 */
.set-meal {
    margin-top: 30px;
}
.set-meal ul{
    margin-top: 30px;
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-around;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}
.set-meal .set-meal-item {
    float: left;
    width: 265px;
    height: 360px;
    margin: 20px 0;
    padding: 40px 20px 20px;
    -webkit-box-shadow: 0 8px 16px #d4d8e4;
    box-shadow: 0 8px 16px #d4d8e4;
    position: relative;
    background: #fff;
    border-radius: 16px;
}
.set-meal .set-meal-item.isHas {
    -webkit-transform:translateY(-10px);
    transform:translateY(-10px);
    border: 2px solid #ff5a00;
    box-shadow: 0 4px 8px rgb(255 90 0);
}
.set-meal .set-meal-item:hover{
    box-shadow: 0 0 10px 0 #999 !important;
    animation: .15s forwards info-item-in;
}
.set-meal .recommand{
    position: absolute;
    top: -6px;
    left: 20px;
    width: 30px;
    height: 40px;
    background: url(../images/recommand.png) no-repeat;
    background-size: 100%;
}
.set-meal .set-meal-qrcode{
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    z-index: 10;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    text-align: center;
    overflow: hidden;
    border-radius: 14px;
}
.set-meal .set-meal-qrcode img {
    width: 150px;
    border-radius: 10px;
    margin: 120px auto 0;
    background-color: #fff;
}
.set-meal .set-meal-qrcode p {
    width: 100%;
    font-size: 16px;
    color: #ffffff;
    text-align: center;
    margin-top: 20px;
}
.set-meal .set-meal-item .title-box{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
}
.set-meal .set-meal-item .title-box img{
    height: 30px;
    display: block;
}
.set-meal .set-meal-item .title-box p{
    max-width: 200px;
    height: 30px;
    line-height: 30px;
    font-style: normal;
    font-weight: 700;
    font-size: 22px;
    margin-left: 14px;
    color: #ff8a00;
    letter-spacing: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.set-meal .set-meal-item .subtitle-box{
    text-align: center;
    font-size: 18px;
    color: #ff8a00;
    position: relative;
    height: 24px;
    margin: 24px 0;
}
.set-meal .set-meal-item .subtitle-box .subtitle-line{
    width: 100%;
    height: 1px;
    background: #ff8a00;
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
    z-index: 0;
}
.set-meal .set-meal-item .subtitle-box p{
    width: 120px;
    height: 26px;
    background: #fff;
    padding: 0 10px;
    z-index: 2;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
    overflow: hidden;
    /*white-space: nowrap;*/
    text-overflow: ellipsis;
}
.set-meal .set-meal-item .content{
    width: 100%;
    height: 160px;
    line-height: 40px;
    text-align: center;
    font-size: 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #666;
}
.set-meal .set-meal-item .buy-btn{
    width: 160px;
    height: 52px;
    line-height: 52px;
    background: -webkit-gradient(linear,left top,right top,from(#ffc445),to(#ff9100));
    background: linear-gradient(90deg,#ffc445,#ff9100);
    border-radius: 50px;
    color: #fff;
    text-align: center;
    font-size: 24px;
    margin: 10px auto 0;
    cursor: pointer;
}
.set-meal .set-meal-item .buy-btn:hover{
    background: -webkit-gradient(linear,left top,right top,from(#ffd16e),to(#faa12d));
    background: linear-gradient(90deg,#ffd16e,#faa12d);
}