html, body {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0 auto;
    font-family: "microsoft yahei";
    min-width: 1250px;
}
ul { padding: 0; margin: 0; }
ul li { list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0px; padding: 0px; }
.wrap { width: 1200px; margin: 0 auto; }
img { border: 0; }
.fl { float: left; }
.fr { float: right; }
a, a:hover, a:active, a:visited, a:link, a:focus { -webkit-tap-highlight-color: rgba(0,0,0,0); -webkit-tap-highlight-color: transparent; outline: none; background: none; text-decoration: none; }
.clearfix {
    zoom: 1;
}

.clearfix:after {
    clear: both;
    content: "";
    display: block;
    width: 0;
    height: 0;
    visibility: hidden;
}


.header {
    width: 100%;
    background-size: 100%;
    height: 60px;
    background: #333333e8;
}

.header img{
    border: 0;
    width: 124px;
    height: 40px;
    margin: 11px;
}
.logo-title {
    padding-top: 12px;
    padding-right: 54px;
}
.logo-title span {
    color: #fff;
    letter-spacing: 7px;
    font: 25px/1.5 tahoma,arial,'Hiragino Sans GB','\5b8b\4f53',sans-serif;
}

.banner{
    width: 100%;
    background-color: #050505;
}

.main-container{
    padding-top: 20px;
}
.course-list ul li {
    float: left;
    width: 220px;
    padding: 7px 7px 10px;
    border: 1px solid transparent;
    position: relative;
    margin: 2px 0;
}
.course-title {
    font-size: 30px;
    text-align: center;
    border-bottom: 5px solid #f4f4f4;
    padding-bottom: 30px;
    padding-left: 65px;
    color: #333;
    margin-bottom: 20px;;
}
.course-title .more {
    font-size: 17px;
    color: #333;
    margin-right: 51px;
    margin-top: 37px;
}
.course-list ul li a{
    color: #000;
}
.course-list ul li a:hover {
    color: #62b4f7;
}
.course-list ul li span {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    height: 40px;
    font-size: 14px;
    margin-bottom: 8px;
    position: relative;
}
.course .course-title{
    font-size: 30px;
    text-align: center;
    border-bottom: 5px solid #f4f4f4;
    padding-bottom: 30px;
    color: #333;
    margin-bottom: 20px;
    padding-left:0;
}
.imgDiv img {
    width: 220px;
    height: 124px;
}

.video {
    width: 100%;
    background-color: #262a2d;
}
.content-text video {
    width: 800px;
    height:600px;

}
.content-box {
    padding:85px 0;
}
.video-container {
    width: 960px;
    margin: 0 auto;
}
.content-title {
    font-size: 20px;
    text-align: center;
    color: #ffffff;
    opacity: 0.78;
    padding: 20px;
    font: 23px/1.5 tahoma,arial,'Hiragino Sans GB','\5b8b\4f53',sans-serif;
}

.footer {
    background: #333;
    text-align: center;
    height:70px;
    margin-top: 50px;
}

.footer .wrap {
    overflow: hidden;
    padding-top: 13px;
}

.footer .text {
    color: #ccc;
    font-size: 12px;
    padding-right: 15px;
}

.footer .text span {
    display: inline-block;
    margin: 0 10px;
}
.footer .logo {
    width: 141px;
}