/*清除浮动开始*/
.clear {clear:both;}
.clear_fix {zoom:1;}
.clear_fix:after {display:block;clear:both;content:".";visibility:hidden;height:0;font-size:0;}
/*清除浮动结束*/


/**浮动**/
.left{ float: left; }
.right{ float: right; }


/**页面宽度**/
.wrap{
  width: 1200px;
  margin: 0 auto;
}

.icon {
  width: 1em; height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

/**标题**/
.title{
  text-align: center;
  padding: 50px 0;
}

.title p{
  font-size: 20px;
  color: #888;
  margin-top: 15px;
}

.title h2{
  font-size: 40px;
  font-weight: 700;
  color: #222;
  position: relative;
  display: inline-block;
}

/*.title h2::before ,.title h2::after{
  position: absolute;
  top: -10px;
}

.title h2::after{
  content: url("../img/t-right.png");
  right: -98px;
}

.title h2::before{
  content: url("../img/t-left.png");
  left: -98px;
}*/


/**横幅**/

.banner{
  background: url("../img/dydk_banner.jpg") no-repeat center;
  height: 550px;
  position: relative;
}

.banner a{
  position: absolute;
  left: 50%;
  top: 430px;
  transform: translate(-50%,0);
  color: #fff;
  font-size: 30px;
  letter-spacing: 10px;
  font-weight: 700;
}

.banner a:hover{
  cursor: pointer;
}

/**分类**/
.classify ul li{
  width: 380px;
  height: 200px;
  display: block;
  float: left;
  margin-right: 30px;
  margin-bottom: 30px;
  position: relative;
}

.classify ul li img{
  display: block;
  width: 380px;
  height: 200px;
}

.classify ul{
  margin-right: -30px;
}

.classify ul li p{
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  color: #fff;
  font-size: 30px;
  transition: All 0.3s ;
  -webkit-transition: All 0.4s ;
  -moz-transition: All 0.4s ;
  -o-transition: All 0.4s ;
}

.classify ul li p:hover{
  cursor: default;
}

.classify ul li:hover p{
 font-size: 35px;
}

.video{
  background: url("../img/video-bg.jpg") no-repeat center;
  height: 910px;
}

.video-title{
  text-align: center;
}

.video-img ul li{
  width: 360px;
  height: 536px;
  display: block;
  float: left;
  margin-right: 60px;
  border: 10px solid #fff;
  transition: 0.6s all;
}
.wrap{
	    width: 1200px;
    margin: 0 auto;
}
.video-img ul li:nth-of-type(3n){
	margin-right: 0;
}
.video-img ul .v-img1{
  background: url("../img/v1.jpg") no-repeat center;
  background-size: 100%;
}

.video-img ul .v-img1:hover{
  background: url("../img/dyv1-1.jpg") no-repeat center;
}

.video-img ul .v-img2{
  background: url("../img/v2.jpg") no-repeat center;
  background-size: 100%;
}

.video-img ul .v-img2:hover{
  background: url("../img/v2-2.jpg") no-repeat center;
}

.video-img ul .v-img3{
  background: url("../img/dyv3.jpg") no-repeat center;
  background-size: 100%;
}

.video-img ul .v-img3:hover{
  background: url("../img/v3-3.jpg") no-repeat center;
}

.video-img ul li img{
  border: 4px solid #fff;
}
 
.video-link ul li{
  display: block;
  float: left;
  width: 360px;
  background: #f72355;
  height: 45px;
  line-height: 40px;
  text-align: center;
  margin-right: 60px;
  border-radius: 30px;
  margin-top: 20px;
}

.video-link ul li:hover{
  background: #fc4671;
}

.video-link ul li a{
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.video-link ul{
  margin-right: -60px;
}


/**资源整合**/
.strong ul li{
  width: 580px;
  display: block;
  float: left;
  margin-right: 30px;
  border: 8px solid #f0f0f0;
  box-sizing: border-box;
  padding: 25px;
  transition: 0.6s all;
  margin-bottom: 30px;
  background: #f0f0f0
}

.strong ul li:hover {
  border: 8px solid #ddd;
}

.strong ul {
  margin-right: -30px;
}

.strong ul li .icon{
  font-size: 60px;
}

.strong ul li dl{
  width: 430px;
}

.strong ul li dl dt{
  font-size: 18px;
  font-weight: 700;
}
/*
.strong ul li:hover{
  background: #f0f0f0;
}

.strong ul li:hover .icon ,.strong ul li:hover dl{
  color: #fff;
}
*/


.mask{
  background: rgba(0, 0 ,0, 0.5);
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 99;
  display: none;
}

.close{
  position: absolute;
  right: -15px;
  font-size: 40px;
  top: -25px;
}

.close .icon{
  color: #222
}