/* banner */
.bannerbox .swiper-container {
    width: 100%;
}
.bannerbox img {
    width: 100%;
}
.bannerbox .swiper-slide {
    position: relative;
    width: 100%;
    height: 780px;
}
.imgWrap {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
    width: 1115px;
    height: 469px;
    background-color: rgba(0,0,0,0.2);
    margin: auto;
    color: #ffffff;
    overflow: hidden;
}
.imgWrap h2 {
    font-size: 50px;
    max-width: 891px;
    line-height: 70px;
    margin-top: 114px;
}
.imgWrap .imgwrapbreif {
    font-size: 16px;
    line-height: 24px;
    height: 48px;
    max-width: 954px;
    margin-top: 37px;
}
.imgWrap .imgwraplink {
    display: block;
    width: 174px;
    height: 57px;
    border: 1px solid #ffffff;
    border-radius: 10px;
    line-height: 57px;
    font-size: 16px;
    color: #ffffff;
    margin-top: 66px;
}
.imgWrap.imgDetails {
    background-color: rgba(0,0,0,0);
    width: 1200px;
    height: auto;
}
.imgDetails h2 {
    margin-top: 178px;
    max-width: 702px;
}
.imgDetails .imgwrapbreif {
    max-width: 608px;
}
.imgDetails .imgwraplink {
    border: none;
    background-color: #ff6637;
    text-align: center;
    color: #ffffff;
    border-radius: 4px;
}
.swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 30px;
}
.swiper-pagination-bullet {
    padding: 0;
    background-color: #ffffff;
    opacity: 1;
    width: 14px;
    height: 14px;
}
.swiper-pagination-bullet.swiper-pagination-bullet-active {
    padding: 0 15px;
    border-radius: 9px;
    background-color: #ff6637;
}
/* 中间部分 */
.main-content {
    width: 100%;
    position: relative;
    overflow: hidden;
}

/* 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: 273px;
    margin-left: 20px;
    margin-top: 22px;
    margin-bottom: 22px;
    box-shadow: 0 2px 18px 2px rgba(217,223,231,0.6);
}
.onlineclasscontents li .img_info {
    width: 100%;
    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);
    }
}
.pricewrap {
    margin-top: 10px;
}
.pricewrap .origin {
    font-size: 14px;
    color: #999999;
    text-decoration: line-through;
    line-height: 22px;
}
.pricewrap .nowing {
    font-size: 14px;
    color: #ff5000;
    line-height: 22px;
}
.pricewrap .nowing span {
    margin-left: 3px;
    font-size: 22px;
}

/* 老师介绍 */
.teacher-part {
    overflow: hidden;
}
.teacher-part li {
    float: left;
    width: 280px;
    margin: 0 10px;
    margin-top: 22px;
    margin-bottom: 22px;
}
.teacher-part li a {
    display: block;
}
.teacher-part .teach-item {
    width: 280px;
    background: #fff;
    box-shadow: 0 2px 10px 0 rgba(47,51,56,.1);
    border-radius: 8px;
    margin-right: 20px;
}
.teacher-part .teach-item:hover {
    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);
    }
}

.teacher-part .teacher-item-img {
    width: 100%;
    height: 280px;
    overflow: hidden;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}
.teacher-part .teacher-item-img img {
    width: 100%;
}
.teacher-part .teainfo {
    position: relative;
    margin: 20px 0 0 15px;
}

.teacher-part .teacher-item-name-line {
    width: 6px;
    height: 20px;
    background: #3c7cfc;
    border-radius: 8px;
    position: absolute;
    left: 0;
    top: 0;
}
.teacher-part .teacher-item-name-text {
    margin-left: 14px;
    font-size: 20px;
    color: #222;
    letter-spacing: 0;
    position: relative;
    top: -4px;
    font-weight: 400;
}
.teacher-part .teacher-item-brief {
    font-size: 14px;
    color: #a1a8b3;
    letter-spacing: 0;
}
.teacher-part .teacher-item-desc {
    padding: 8px 0;
    font-size: 14px;
    color: #666666;
    letter-spacing: 0;
    line-height: 20px;
    height: 40px;
}
.picScroll-left {
    position: relative;
}

.picScroll-left .hd .prev {
    width: 60px;
    height: 60px;
    background: rgba(0,0,0,0.2) url(../images/left.png) no-repeat center;
    float: left;
    position: relative;
    margin-left: -90px;
    margin-top: 184px;
    z-index: 1;
}
.picScroll-left .hd .prev:hover{
    background-color: rgba(0,0,0,0.5)
}
.picScroll-left .bd {
    margin-top: 40px;
}
.picScroll-left .hd .next {
    width: 60px;
    height: 60px;
    background: rgba(0,0,0,0.2) url(../images/right.png) no-repeat center;
    float: right;
    position: relative;
    margin-right: -90px;
    margin-top: 184px;
    z-index: 1;
}
.picScroll-left .hd .next:hover{
    background-color: rgba(0,0,0,0.5)
}
/* 关于我们 */
.about-part {
    overflow: hidden;
}
.about-part .about-head {
    width: 100%;
}
.about-part .about-con {
    margin-top: 50px;
}
.about-part .about-show-img {
    width: 690px;
    height: 460px;
    background-color: #fff;
    overflow: hidden;
}
.about-part .about-show-img img {
    width: 100%;
}
.about-part .about-show-img video {
    width: 100%;
    height: 100%;
}
.about-part .about-show-img img:hover {
    animation: big 1s forwards;
}
.about-details {
    width: 436px;
    height: 460px;
    padding-left: 57px;
    background-color: #ffffff;
    padding-right: 17px;
    position: relative;
    overflow: hidden;
}
.about-details .projects-head {
    margin-top: 33px;
}
.about-details .about-content {
    font-size: 14px;
    color: rgb(128,128,128);
    line-height: 24px;
    margin-top: 69px;
    text-indent: 2em;
}
.about-details .about-content::first-letter {
    font-size: 30px;
    color: black;
    padding: 0 0.1em;
    vertical-align: text-bottom;
    line-height: 30px;
}

.scroll-num {
    height: 230px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.scroll-num .scroll-col-4 {
    margin: 0 83px;
    height: 77px;
    padding-left: 10px;
    position: relative;
}
.scroll-num .scroll-col-4 h2 {
    width: 120px;
    font-size: 60px;
    line-height: 60px;
    vertical-align: text-top;
}
.scroll-num .scroll-text {
    position: absolute;
    top: 60%;
    width: 120px;
    font-size: 14px;
    color: rgb(166,166,166);
}
.ver-line {
    width: 1px;
    height: 77px;
    background-color: rgb(230,230,230);
    margin-top: 10px;
}
/* 教学环境 */
.choose-part {
    margin-top: 46px;
}
.choose-body {
    margin-top: 34px;
    position: relative;
}
section {
    display: flex;
    flex-wrap: wrap;
    padding: 15px 5px 0;
}
section::after {
    content: "";
    flex-grow: 99999;
}
section .img-wrapper {
    flex-grow: 1;
    margin: 5px;
    position: relative;
    overflow: hidden;
}
section .img-wrapper img {
    height: 260px;
    min-width: 100%;
    object-fit: cover;
}
section .img-wrapper .info {
    position: absolute;
    bottom: 0px;
    color: #ffffff;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.3);
    line-height: 30px;
    height: 0px;
}
section .img-wrapper .info span{
    padding: 0 10px;
    font-size: 14px;
}
section .img-wrapper:hover .info {
    height: 30px;
    transition: all 0.5s;
}
section .img-wrapper:hover {
    animation: big 1s forwards;
}
.lastNavItem {
    text-align: center;
    cursor: pointer;
    user-select: none;
    background: #fff;
    color: #fff;
    background-image: url("../images/lastNavItemBG.jpg");
    background-size: cover;
    width: 600px;
    height: 260px;
    margin: 5px 10px;
    display: none;
    position: absolute;
    bottom: 0;
    right: 0;
}
.lastNavItem .lastNavItem-pos {
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
    height: 80px;
    width: 100%;
}
.lastNavItem .moreicon {
    background-image: url("../images/moreicon.png");
    background-size: cover;
    display: inline-block;
    width: 60px;
    height: 60px;
    margin-top: 10px;
}
.lastNavItem p {
    display: inline-block;
    font-size: 26px;
    line-height: 80px;
    vertical-align: top;
    text-align: left;
    margin-left: 18px;
}
.lastNavItem p:hover {
    font-size: 30px;
    color: #ff6637;
}
/* 资讯 */
.f-helpList {
    margin-top: 40px;
}
.f-helpList .f-helpItem {
    float: left;
    width: 500px;
    margin: 0 40px;
    margin-bottom: 30px;
    position: relative;
    box-shadow: 0 2px 18px 2px rgba(217,223,231,0.6);
    border-radius: 8px;
}
.f-helpList .f-helpItem:hover {
    box-shadow: 0 4px 20px 5px rgba(217,223,231,0.8);
    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);
    }
}
.f-helpItem a {
    display: block;
    padding: 0 10px;
    padding-top: 30px;
}
.f-helpItem .f-time {
    width: 80px;
    text-align: right;
    float: left;
    margin-right: 20px;
}
.f-helpItem .f-time-md, .f-helpItem .f-info-title {
    font-size: 25px;
    line-height: 1;
    font-weight: normal;
    height: 36px;
    overflow: hidden;
}
.f-helpItem .f-time-y, .f-helpItem .f-info-intro {
    font-size: 14px;
    color: #999;
    margin: 0;
    line-height: 1.8;
    height: 50px;
    overflow: hidden;
}
.f-helpItem .f-info {
    width: 355px;
    text-align: left;
    float: left;
    margin-bottom: 10px;
}
.f-helpItem .f-info-title {
    font-size: 18px;
    width: 355px;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.f-helpItem .f-info-title .f-a {
    color: #333;
    width: 355px;
}
.f-helpItem .f-info-title .f-a:hover {
    color: #00a0e9;
}
.f-helpItem .f-hot {
    display: inline-block;
    *display: inline;
    _zoom: 1;
    width: 25px;
    height: 25px;
    background: url(../images/hot.gif) no-repeat;
    vertical-align: middle;
    margin-right: 10px;
}
.f-helpItem .f-txt {
    vertical-align: middle;
    width: 320px;
    display: inline-block;
}