@charset "UTF-8";

html,
body {
    width: 100%;
    position: relative;
    max-width: 768px;
    font-size: 12px;
    font-family: '微软雅黑', 'Arial';
    margin: auto;
    background: white;
}


.container {
    position: relative;
    overflow: hidden;
}

.logo {
    width: 40%;
    margin: 36px auto 18px auto;
}

.title {
    width: 40%;
    margin: 18px auto 18px auto;
}

.content {
    position: relative;
    padding: 0 10px;
    padding-bottom: 60px;
}

.content ul {
    text-align: left;
    font-size: 0;
}

.content ul li {
    display: inline-block;
    width: 46%;
    margin: 2%;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: #ff7800;
}

.content ul li p {
    position: relative;
}

.iconplay {
    position: absolute;
    width: 40px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
}

.content ul li font {
    display: block;
    padding: 3px 0;
    text-align: center;
    font-size: 14px;
    color: white;
}

.video-box {
    position: fixed;
    width: 100%;
    height: 100vh;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, .9);
    z-index: 500;
    display: none;
    opacity: 0;
    visibility: hidden
}

.video-box .lb {
    position: absolute;
    width: 90%;
    background: url(/lo.gif) center center no-repeat #fff;
    height: auto;
    left: 0%;
    top: 0%;
    height: 85%;
    left: 5%;
    top:10%;
    -o-object-position: center center;
    object-position: center center;
    -o-object-fit: contain;
    object-fit: contain
}

.video-box .close{
    position: absolute;
    right: 5%;
    top: 3%;
    line-height: 30px;
    width: 30px;
    text-align: center;
    font-size: 30px;
    cursor: pointer;
}
.video-box .logo2{
    position: absolute;
    left: 5%;
    top: 3%;
    height: 30px;
}
.video-box .logo2 img{
    width: auto;
    height:100%; 
}

#mod_player > div {
    height: 100% !important;
    width: 100% !important
}

.video-box .lb embed {
    width: 100% !important;
    height: 100% !important
}

.video-box .lb video {
    width: 100%;
    height: 100%
}

.contact .teacher-abs {
    bottom: 0
}

.slider {
    display: block;
    position: relative;
    text-align: center;
    font-size: 0;
    width: 90%;
    margin: auto;
    margin-bottom: 20px;
}
.slider .item{
    width: 30%;
    display: inline-block;
    margin: 0 1.5%;
    height: auto;
    padding: 10px 0;
    background: white;
    border-radius: 20px;
    color: #212121;
    text-align: center;
    font-size: 16px;
    box-shadow: 4px 4px 20px rgba(255,120,0,.5);
}
.slider .item.active{
    color: white;
    background: #ff7800;
}