.clearfix{display:block;clear:both;float:none;}
body{ display: block; margin: 0; padding: 0;background-color: #ffffff; }
.VideoContent{
	width: 100%;height: auto;overflow: hidden;margin: 0 auto;
}
.video-back{
	display:block;height: auto;text-align:center;min-width: 1200px;width: 100%;
}
#videohead{
  text-align: center;position: relative;top: 50%;left: 50%;transform: translate(-50%,-80%);-webkit-transform: translate(-50%,-80%);
}
#videohead img{
  display: block;margin: 0 auto;
}
#videohead .video_logo{
  margin-bottom: 90px;
}
.videoList li{
  width: 100%;height: 450px;background-repeat: no-repeat;background-size: cover;background-position: center;position: relative;overflow: hidden;
}
.Box_bg{
  width: 100%;height: 100%;position: absolute;left: 0px;top:0px;background: rgba(0,0,0,0.4);display: block;cursor: pointer;
}
.videotext{
  position: absolute;top:50%;left:50%;transform: translate(-50%,-50%);-webkit-transform: translate(-50%,-50%);text-align: center;color: #fff;
}
.lists_data{
  width: 100%;height: 90px;background: #ffffff;
}
.lists_data p{
  font-size: 22px;line-height: 90px;text-align: center;color: #000000;
}
.videoList{
  width: 100%;height: auto;margin: 0 auto;margin-bottom: 90px;
}
.videotext a{
  font-size: 24px;color: #ffffff;
}
.videotext p{
  color: #ffffff;font-size: 18px;
}
.videotext a:hover{
  color: #ffffff;
}
.videoList li:first-child .videotext a,.videoList li:first-child .videotext p{
  color: #000000;
}

.u-arrow {
    position: absolute;bottom: 10px;left: 50%;z-index: 150;width: 60px;height: 120px;margin-left: -30px;
}
.u-arrow p {
    position: absolute;top: 50%;margin-top: -22px;left: 0;width: 60px;height: 44px;background-image: url(http://www.univisa.com.cn/statics/ymvideo/images/jiantou.png);background-repeat: no-repeat;background-size: 60px 44px;
    -webkit-animation: start 1.5s infinite ease-in-out;-moz-animation: start 2.0s infinite ease-in-out;animation: start 2.0s infinite ease-in-out;
}
@-webkit-keyframes start {
    0%,30% {opacity: 0;-webkit-transform: translate(0,-22px);}
    60% {opacity: 1;-webkit-transform: translate(0,0);}
    100% {opacity: 0;-webkit-transform: translate(0,22px);}
}
@-moz-keyframes start {
    0%,30% {opacity: 0;-moz-transform: translate(0,-22px);}
    60% {opacity: 1;-moz-transform: translate(0,0);}
    100% {opacity: 0;-moz-transform: translate(0,22px);}
}
@keyframes start {
    0%,30% {opacity: 0;transform: translate(0,-22px);}
    60% {opacity: 1;transform: translate(0,0);}
    100% {opacity: 0;transform: translate(0,22px);}
}