@media screen and (max-width: 900px) {
    html, body {
        background: #F5F5F9;
        height: 100%;
    }
    .check-more div {
        height: 24px;
        background: none;
        box-shadow: none;
    }
    /* 注册 dialog */
    .mob-nav {
        position: fixed;
        top: 0;
        right: 0;
        left: 0;
        bottom: 0;
        background: rgba(0, 0, 0, .4);
        z-index: 300;
        transition: all 0.3s;
        transform: translateX(-100%);
        overflow: scroll;
        padding: 30px 0 20px 20px;
        background: #fff;
    }
    .mob-nav.active {
        transform: none;
    }
    .mob-nav .close-btn {
        position: absolute;
        right: 20px;
        top: 20px;
    }
    .mob-nav ul {
        background: #fff;
        padding: 10px;
    }
    .mob-nav ul li .nav-item {
        font-size: 24px;
    }
    .hm-down-menu > div {
        line-height: 30px;
        margin-left: 20px;
    }
    .scroll {
        min-width: 375px;
    }
    .scroll h3 {
        font-size: 18px;
        background: url(../images/siteHome/title-line-mobile.png) no-repeat center center;
        height: auto;
        overflow: hidden;
    }
    .body_b {
        top: 0;
    }
    .s-banner {
        width: calc(100% - 16px);
        height: 100%;
        border-radius: 8px;
        margin: 0px auto;
        overflow: hidden;
    }
    .s-banner .banner .swiper-slide a {
        height: 166px;
    }
    .swiper-pagination-bullet {
        width: 8px;
        border-radius: 0;
        height: 2px;
        background: #FFFFFF;
        opacity: 1;
    }
    .swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
        bottom: 17px;
        right: 50%;
        position: inherit;
    }
    .swiper-pagination-bullet-active {
        width: 8px;
        border-radius: 0;
        height: 2px;
        background: #3C77F9;
    }
    .home1, .home2, .home3, .home4, .home5, .home6, .home7 {
        width: calc(100% - 16px);
        overflow: scroll;
        background: #FFFFFF;
        box-shadow: 0px 2px 6px 0px rgba(45, 55, 106, 0.5);
        border-radius: 10px;
        overflow: scroll;
        margin-top: 12px;
    }
    .title-tab {
        display: block;
        margin-top: 20px;
    }
    .title-tab .tab-box {
        height: 40px;
        border: none;
        background: none;
        padding: 0;
        white-space: nowrap;
        justify-content: flex-start;
        overflow-x: scroll;
        border-radius: 0;
    }
    .title-tab .tab-box .tab-move {
        display: none;
    }
    .title-tab .tab-box .title-tab-item {
        font-size: 14px;
        color: #333333;
        padding: 0 12px;
        height: 32px;
        line-height: 32px;
        z-index: 2;
        background: #F5F5F5;
        border-radius: 16px;
        margin-right: 8px;
        /*float: left;*/
        vertical-align: top;
        margin-bottom: 8px;
    }
    .title-tab .tab-box .title-tab-item.active {
        color: #ffffff;
        background: linear-gradient(97deg, #378FF7 0%, #4063FB 100%);
    }
    .check-more {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 20px;
        color: #333333;
        margin-top: 14px;
        font-size: 14px;
    }
    .home6-main, .home5-main, .home2-main, .home4-main, .home3-main, .home7-main, .home1-main{
        position: absolute;
        top: 0;
        left: 50%;
        -webkit-transform: translateX(-50%);
        -moz-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
        -o-transform: translateX(-50%);
        transform: translateX(-50%);
        width: 100%;
        height: 100%;
        padding: 20px 12px;
        z-index: 3;
    }
    .h6m-main, .h3m-main {
        height: 100%;
        overflow: hidden;
    }
    .m-h6m-item-1 {
        display: block;
        width: 100%;
        overflow: scroll;
        white-space: nowrap;
        overflow-y: hidden;
    }
    .m-h6m-item-1 > a {
        display: inline-block;
        width: 162px;
        margin-right: 8px;
        overflow: hidden;
    }
    .m-h6m-item-1 > a .img {
        width: 100%;
        height: 110px;
    }
    .m-h6m-item-1 > a .img img {
        width: 100%;
        height: 100%;
    }
    .m-h6m-item-1 > a p {
        color: #999999;
        font-size: 12px;
        margin-top: 8px;
    }
    .m-h6m-item-1 > a .message {
        color: #333333;
        font-size: 14px;
        margin-top: 8px;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        text-overflow: ellipsis;
        overflow: hidden;
        -webkit-box-orient: vertical;
        white-space: break-spaces;
        line-height: 20px;
        height: 40px;
    }
    .m-h6m-item ul li a {
        font-size: 15px;
        color: #333;
        display: flex;
        height: 60px;
        border-bottom: 1px solid #DFDFDF;
        padding: 7px 0;
    }
    .m-h6m-item ul li a > div {
        width: 54px;
        display: flex;
        margin-right: 16px;
        flex-direction: column;
        justify-content: space-around;
    }
    .m-h6m-item ul li a > p {
        display: flex;
        justify-content: center;
        align-items: center;
        line-height: 22px;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        text-overflow: ellipsis;
        overflow: hidden;
        -webkit-box-orient: vertical;
    }
    .m-h6m-item ul li a > div span {
        font-weight: bold;
        white-space: nowrap;
    }
    .m-h6m-item ul li a > div p {
        color: #D9D9D9;
    }
    .home6 {
        height: 334px;
    }
    .h6m-box, .h3m-box {
        height: 185px;
        margin-top: 14px;
    }

    .home5 {
        height: 330px;
    }
    .h5m-content .title-tab .tab-box {
        background: none;
    }
    .h5m-content .title-tab .tab-box .title-tab-item:nth-child(2) {
        display: none;
    }
    .h5m-box {
        height: 160px;
        margin-top: 14px;
    }
    .h5m-box .h5m-main:nth-child(2) {
        display: none;
    }
    .m-h5m-item {
        display: block;
        width: 100%;
        overflow: scroll;
        white-space: nowrap;
        overflow-y: hidden;
    }
    .m-h5m-item a {
        display: inline-block;
        width: 162px;
        margin-right: 8px;
        overflow: hidden;
    }
    .m-h5m-item a .img {
        width: 100%;
        height: 108px;
        border-radius: 8px;
        overflow: hidden;
    }
    .m-h5m-item a .img img {
        width: 100%;
        height: 100%;
    }
    .m-h5m-item a h5 {
        font-size: 14px;
        color: #333333;
        line-height: 22px;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        text-overflow: ellipsis;
        overflow: hidden;
        -webkit-box-orient: vertical;
        margin-top: 10px;
        white-space: break-spaces;
        height: 40px;
    }
    .home2 {
        height: 220px;
    }
    #appCenterSwiper {
        padding: 10px 0;
        height: auto;
    }
    .h2m-item {
        box-shadow: none;
        height: 120px;
        padding: 20px;
        transition: none;
    }
    .h2m-item .img {
        height: 80px;
        height: 80px;
    }
    .h2m-item:hover {
        box-shadow: none;
    }
    .h2m-item .info {
        width: calc(100% - 100px);
    }
    .h2m-content {
        margin-top: 20px;
    }
    .h2m-content .title-tab .tab-box {
        background: none;
    }
    .home3 {
        height: 374px;
    }
    .home4 {
        height: 298px;
    }
    .home4-main {
        width: 100%;
    }
    .h4m-content .title-tab .tab-box {
        background: none;
    }
    .h4m-box {
        height: 150px;
        margin-top: 14px;
    }
    .home3-main h3 a {
        color: #333333;
    }
    .h3m-content .title-tab .tab-box{
        background: none;
        height: 64px;
    }
    .home7 {
        height: 392px;
    }
    .h7m-content .title-tab .tab-box {
      background: none;
      height: 70px;
    }
    .h7m-box {
        height: 216px;
        position: relative;
        margin-top: 16px;
    }
    .h7m-main, .h1m-main {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        opacity: 0;
        z-index: 1;
        -webkit-transition: all 1s;
        -moz-transition: all 1s;
        -ms-transition: all 1s;
        -o-transition: all 1s;
        transition: all 1s;
        margin-top: 0;
        padding: 0;
    }
    .h7m-main.active, .h1m-main.active {
        opacity: 1;
        z-index: 4;
    }
    .m-h7m-item {
        width: 100%;
        height: 100%;
        overflow-y: scroll;
        border-top: 1px solid #DFDFDF;
    }
    .m-h7m-item a {
        display: flex;
        justify-content: space-between;
        border-bottom: 1px solid #DFDFDF;
        align-items: center;
    }
    .m-h7m-item a > span {
        color: #C0C0C0;
        font-size: 14px;
    }
    .m-h7m-item h5 {
        font-size: 15px;
        color: #333333;
        display: flex;
        align-items: center;
        height: 46px;
    }
    .m-h7m-item h5:before {
        content: '';
        display: block;
        width: 5px;
        height: 5px;
        background: #E7E7F2;
        margin-right: 5px;
    }

    .home1 {
        height: 590px;
        overflow: hidden;
    }
    .home1-content {
        display: block;
        margin-top: 0;
        height: 530px;
    }
    .h1m-box {
        width: 100%;
        position: relative;
        height: 454px;
        margin-top: 14px;
    }
    .home1-content .title-tab .tab-box {
        background: none;
        height: 70px;
    }
    .h1m-main {
        display: block;
    }
    .h1m-main .left-item {
        width: 100%;
        display: flex;
        justify-content: space-between;
        padding: 0 30px;
        margin-bottom: 18px;
    }
    .h1m-main .left-item .img {
        width: 50px;
        height: 50px;
    }
    .h1m-main .left-item .title {
        font-size: 14px;
    }
    .h1m-main .left-item .font-d {
        font-size: 22px;
    }
    .h1m-main .left-item .message {
        height: 50px;
    }
    .left-chart h6 {
        color: #737373;
        font-size: 14px;
        font-weight: normal;
    }
    .left-chart h6:before, .left-chart h6:after {
        display: none;
    }
    #leftChart {
        width: 375px;
        height: 240px;
        transform: none;
    }
    .h1m-right-top {
        width: 100%;
        height: 86px;
        font-size: 14px;
    }
    .h1r-item {
        width: 48%;
        height: 46px;
        padding: 0 10px;
    }
    .mr-chart {
        position: relative;
        width: 100%;
        height: 360px;
    }
    #rightChart1, #rightChart2 {
        width: 375px;
        height: 260px;
        transform: none;
    }
    .mr-chart .message {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        transform: none;
        height: 60px;
        top: 240px;
    }
    .mr-chart .message p {
        line-height: normal;
        width: 30%;
    }
    .mr-chart .tip {
        position: absolute;
        right: 160px;
        top: 117px;
    }
    .h1r-item-top {
        height: 40px;
        font-size: 14px;
    }
    .h1r-item-top span:last-child {
        font-size: 22px;
    }
    .rb-left {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 0 16px;
    }
    .rb-left .rb-left-item {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        color: #3E4C62;
        font-size: 16px;
        height: 56px;
    }
    .rb-left-item span:last-child {
        font-size: 32px;
        font-weight: bold;
    }
    .rb-right {
        width: 100%;
        margin-top: 20px;
    }
    .rb-right p {
        position: static;
        color: #737373;
    }
    #rightChart3 {
        width: calc(100% + 40px);
        height: 260px;
        transform: translatex(6px);
    }


    /* 教育服务 */
    .edu-service {
        width: calc(100% - 16px);
        margin: 0 auto;
        overflow: hidden;
    }
    .edu-service .us-top, .edu-service .us-bottom {
        min-width: 375px;
        border-radius: 8px;
        background: linear-gradient(180deg, #e1e9f5 0%, #ccdbf2 24%, #F5F5F9 100%);
        height: auto;
    }
    .st-main .st-box .st-item {
        box-shadow: 0px 2px 6px 0px rgba(0, 0, 0, .1);
        border-color: #3C77F9;
        width: calc(50% - 16px);
        margin-left: 8px;
        margin-right: 0;
    }
    .st-main .st-box .st-item:hover {
        transform: none;
    }
    .us-top .st-main, .us-bottom .st-main {
        width: 100%;
        padding-top: 20px;
    }
    .st-main .st-box {
        margin-top: 30px;
    }

    /* 直播课指南，常见问题 */
    .vl-help {
        width: calc(100% - 16px);
        box-sizing: border-box;
        margin: 0 auto;
        background: none;
        overflow: hidden;
    }
    .m-lh-top {
        width: 100%;
        height: 60px;
        background: #ffffff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        border-radius: 10px 10px 0 0;
        padding-bottom: 14px;
    }
    .m-lh-top > div {
        margin: 0px 25px;
        height: 100%;
        display: flex;
        align-items: center;
    }
    .m-lh-top > div.active {
        font-weight: 600;
        color: #3C77F9;
        border-bottom: 3px solid #3C77F9;
    }
    .vl-help .lh-main {
        width: 100%;
    }
    .vl-help .lh-main .lh-right {
        border-radius: 0;
        padding: 0;
        width: 100%;
    }
    .h-live-h1 {
      font-size: 22px;
    }
    .h-live-h1:after {
        content: '';
        display: block;
        position: absolute;
        bottom: 0;
        z-index: 0;
        width: calc(100% - 24px);
        height: 12px;
        background: #216FEF;
        opacity: 0.3;
    }
    .h-live-h1, .h-live-title, .h-live-logo, .h-live-p ,.h-view-tips,.h-view-users,.h-view-tabs{
        padding: 0 12px;
        margin: 26px 0;
        margin-top: 0;
    }
    .h-live-p {
        color: #666666;
    }
    .h-live-logo:before {
        content: '';
        display: block;
        width: 8px;
        height: 8px;
        background: #D8D8D8;
        border-radius: 50%;
        margin-right: 10px;
    }
    /*  中小学普通高中  */
    .m-top-banner {
        width: 100%;
        margin: 0 auto;
        height: 210px;
        background: #FFFFFF;
        box-shadow: 0px 2px 6px 0px rgba(45, 55, 106, 0.05);
        border-radius: 10px;
        padding: 12px;
    }
    .m-top-banner img {
        width: 100%;
        height: 150px;
    }
    .m-top-banner p {
        color: #333333;
        font-size: 15px;
        font-weight: bold;
        margin-top: 14px;
    }
    .m-news-tab {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        color: #737373;
        height: 50px;
    }
    .m-news-tab .mt-item {
        margin-right: 24px;
        display: flex;
        height: 100%;
        align-items: center;
    }
    .m-news-tab .active {
        color: #333333;
        font-weight: bold;
        border-bottom: 2px solid #3C77F9;
    }
    .column-list-h5-wrap {
        display: none;
    }
    .column-list-h5-wrap.active {
        display: block;
    }

    .title-line {
        width: 100%;
        height: 46px;
        display: flex;
        font-size: 15px;
        align-items: center;
        border-bottom: 1px solid #DFDFDF;
        justify-content: space-between;
    }
    .title-line span:last-child {
        color: #999999;
    }
    .title-line span:last-child img {
        width: 12px;
        height: 12px;
        margin-left: 10px;
    }
    .width100 {
        width: 100%;
    }
    .t-server {
        height: 184px;
    }
    .more {
        height: 50px;
        width: 100%;
        text-align: center;
        font-size: 14px;
        font-weight: 400;
        color: #333333;
        line-height: 50px
    }
    .more img {
        width: 12px;
        height: 12px;
        margin-left: 5px
    }
    .master-office {
        height: 180px;
        font-size: 12px;
        color: #999999;
        margin-top: 20px;
    }
    .master-office a {
        padding-top: 20px;
        height: 100%;
        border: 1px solid #E7E7EC;
        border-radius: 8px;
    }
    .master-office a .img {
        width: 64px;
        height: 64px;
        border-radius: 50%;
        overflow: hidden;
        margin: 0 auto;
    }
    .master-office a .title {
        color: #333333;
        font-size: 16px;
        text-align: center;
        margin-top: 10px;
        margin-bottom: 16px;
    }
    .master-office a .do, .master-office a .views {
        font-size: 12px;
        color: #999999;
        margin-bottom: 6px;
        text-align: center;
    }
    .c-com {
        height: 200px;
        font-size: 12px;
    }
    .c-com a {
        margin-top: 32px;
        height: 168px;
        border: 1px solid #E7E7EC;
        border-radius: 8px;
        overflow: initial;
    }
    .c-com a .img {
        width: 64px;
        height: 64px;
        border-radius: 50%;
        overflow: hidden;
        margin: 0 auto;
        margin-top: -32px;
    }
    .c-com a .title {
        color: #3C77F9;
        font-size: 14px;
        line-height: 18px;
        width: 100px;
        white-space: normal;
        text-align: center;
        margin: 6px auto;
        font-weight: bold;
    }
    .c-com a .mes-line {
        color: #999999;
        line-height: 18px;
        text-align: center;
    }
    .c-com a .mes-line span {
        color: #333333;
        margin-left: 8px;
    }

    .m-app-center {
        font-size: 12px;
        color: #333333;
        margin-top: 20px;
        height: 210px;
    }
    .m-app-item {
        display: flex;
        flex-wrap: wrap;
    }
    .m-app-item a {
        display: flex;
        width: 25%;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .m-app-item a .img {
        width: 50px;
        height: 50px;
        border-right: 8px;
        overflow: hidden;
        margin-bottom: 10px;
    }
    .change-account {
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(180deg, #317AF2 0%, #2770e8 24%, #F5F5F9 100%);
        z-index: 55;
        padding-top: 15vh;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .change-account .el-icon-close {
        position: absolute;
        top: 20px;
        right: 30px;
        color: #f2f2f2;
        font-size: 32px;
    }
    .change-account h2 {
        margin-bottom: 30px;
        color: #fff;
    }
    .change-account .account-item {
        width: 250px;
        background: #fff;
        font-size: 14px;
        padding: 10px;
        border-radius: 4px;
        margin-bottom: 10px;
        white-space: nowrap;
    }
}