.banner {
  position: relative;
}
.banner img {
  width: 100%;
}
.banner .text {
  position: absolute;
  width: 100%;
  top: 54%;
  left: 0;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.banner .text .con {
  position: relative;
}
.banner .text .con .bread-nav {
  position: absolute;
  top: -80px;
  left: 0;
}
.banner .text .con .bread-nav span {
  color: #fff;
  font-size: 14px;
}
.banner .text .con .bread-nav a {
  color: #fff;
  font-size: 14px;
}
.banner .text .con h2 {
  font-size: 42px;
  font-weight: bold;
  color: #fff;
  text-align: left;
}
.banner .text .con p {
  font-size: 18px;
  color: #fff;
  text-align: left;
}
.video-platform-wrapper {
  padding: 36px 0;
}
.video-platform-wrapper .con {
  position: relative;
}
.video-platform-wrapper .con .top h2 {
  float: left;
  font-size: 28px;
  color: #000;
  font-weight: bold;
}
.video-platform-wrapper .con .top .search {
  float: right;
  position: relative;
}
.video-platform-wrapper .con .top .search input {
  width: 248px;
  height: 40px;
  border-radius: 5px;
  border: 1px solid #ddd;
  padding: 0px 18px 0 22px;
}
.video-platform-wrapper .con .top .search .search-btn {
  position: absolute;
  right: 10px;
  top: 9px;
  cursor: pointer;
}
.video-platform-wrapper .con .bottom {
  margin-top: 22px;
}
.video-platform-wrapper .con .bottom .box {
  margin-top: 16px;
}
.video-platform-wrapper .con .bottom .box h2 {
  float: left;
  font-size: 14px;
  line-height: 30px;
  color: #a0a0a0;
  width: 58px;
  text-align-last: justify;
  margin-right: 30px;
}
.video-platform-wrapper .con .bottom .box ul {
  overflow: hidden;
}
.video-platform-wrapper .con .bottom .box ul li {
  float: left;
  margin-right: 30px;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.video-platform-wrapper .con .bottom .box ul li a {
  display: block;
  font-size: 14px;
  color: #2b2b2b;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.video-platform-wrapper .con .bottom .box ul li:hover {
  background: #3E83E2;
}
.video-platform-wrapper .con .bottom .box ul li:hover a {
  color: #fff;
}
.video-platform-wrapper .con .bottom .box ul li.active {
  background: #3E83E2;
}
.video-platform-wrapper .con .bottom .box ul li.active a {
  color: #fff;
}
.video-platform-wrapper .con h3 {
  position: absolute;
  right: 0;
  bottom: 0;
  font-size: 14px;
  color: #2b2b2b;
  font-weight: bold;
}
.video-platform-wrapper .con h3 span {
  color: #3E83E2;
}
.video-platform-list {
  background: #F9FAFC;
  padding-bottom: 50px;
}
.video-platform-list .con ul {
  padding-top: 28px;
}
.video-platform-list .con ul li {
  float: left;
  width: 30.8%;
  margin-top: 40px;
}
.video-platform-list .con ul li:not(:nth-child(3n)) {
  margin-right: 3.8%;
}
.video-platform-list .con ul li .tu {
  height: 0;
  padding-bottom: 56%;
  overflow: hidden;
}
.video-platform-list .con ul li .tu img {
  width: 100%;
}
.video-platform-list .con ul li .text {
  padding: 22px;
  background: #fff;
  border-radius: 0px 0px 10px 10px;
}
.video-platform-list .con ul li .text h2 {
  font-size: 20px;
  color: #2b2b2b;
  -webkit-line-clamp: 1;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.5;
  height: 1.5em;
}
.video-platform-list .con ul li .text h2 a{
  font-size: 20px;
 color:#2b2b2b;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.video-platform-list .con ul li .text p {
  font-size: 14px;
  color: #a0a0a0;
  -webkit-line-clamp: 1;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.5;
  height: 1.5em;
  margin: 16px 0 20px;
}
.video-platform-list .con ul li .text a {
  font-size: 16px;
  color: #3E83E2;
}
.video-platform-list .con ul li .text a img {
  position: relative;
  top: -1px;
  margin-left: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.video-platform-list .con ul li:hover .tu img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
}
.video-platform-list .con ul li:hover .text h2 a{
  color: #3E83E2;
}
.video-platform-list .con ul li:hover .text a img {
  margin-left: 4px;
}
.video-platform-list .con .more {
  text-align: center;
  margin-top: 50px;
}
.video-platform-list .con .more span {
  font-size: 14px;
  color: #2b2b2b;
  margin-left: 8px;
}
.free {
  padding: 44px 0 46px;
  background: url(../img/video/d_bg.jpg) no-repeat center center;
  background-size: cover;
  overflow: hidden;
}
.free .con .left {
  float: left;
}
.free .con .left h2 {
  color: #fff;
}
.free .con .left h3 {
  margin-top: 12px;
  color: #fff;
}
.free .con a {
  float: right;
  display: block;
  width: 126px;
  height: 44px;
  border-radius: 4px;
  color: #fff;
  text-align: center;
  line-height: 44px;
  position: relative;
  top: 20px;
  border: 1px solid #fff;
}
.free .con a:after {
  display: inline-block;
  content: '\e683';
  font-family: iconfont;
  font-size: 14px;
  color: #fff;
  width: 0;
  top: 0;
  opacity: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.free .con a:hover:after {
  margin-left: 6px;
  opacity: 1;
}
@media screen and (max-width: 1440px) {
  .banner .text .con .bread-nav {
    top: -40px;
  }
  .banner .text .con h2 {
    font-size: 38px;
  }
  .banner .text .con p {
    font-size: 16px;
  }
}
@media screen and (max-width: 1024px) {
  .banner .text .con h2 {
    font-size: 32px;
  }
  .banner .text .con p {
    font-size: 14px;
  }
  .video-platform-list .con ul {
    padding-top: 0;
  }
  .video-platform-list .con ul li {
    margin-top: 30px;
  }
  .video-platform-list .con ul li .text {
    padding: 16px;
  }
  .video-platform-list .con ul li .text h2 {
    font-size: 18px;
  }
  .video-platform-list .con ul li .text p {
    margin: 10px 0 16px;
  }
  .video-platform-list .con ul li .text a {
    font-size: 14px;
  }
  .free .con a {
    width: 106px;
    height: 36px;
    line-height: 36px;
  }
}
@media screen and (max-width: 768px) {
  .banner .text {
    top: 54%;
  }
  .banner .text .con .bread-nav {
    top: -30px;
  }
  .banner .text .con h2 {
    font-size: 20px;
  }
  .banner .text .con p {
    margin-top: 0;
  }
  .video-platform-wrapper {
    padding: 20px 0 20px;
  }
  .video-platform-wrapper .con .top h2 {
    font-size: 18px;
  }
  .video-platform-wrapper .con .top .search {
    width: 100%;
    margin-top: 20px;
  }
  .video-platform-wrapper .con .top .search input {
    width: 100%;
  }
  .video-platform-wrapper .con .bottom .box {
    margin-top: 0;
  }
  .video-platform-wrapper .con .bottom .box h2 {
    margin-top: 10px;
    margin-right: 14px;
  }
  .video-platform-wrapper .con .bottom .box ul li {
    margin-right: 10px;
    margin-top: 10px;
  }
  .video-platform-wrapper .con .total {
    position: relative;
    margin-top: 20px;
  }
  .video-platform-list {
    padding-bottom: 30px;
  }
  .video-platform-list .con ul li {
    width: 100%;
    margin-top: 20px;
  }
  .video-platform-list .con ul li:not(:nth-child(3n)) {
    margin-right: 0;
  }
  .video-platform-list .con ul li .text {
    padding: 10px;
  }
  .video-platform-list .con .more {
    margin-top: 30px;
  }
}
/*# sourceMappingURL=download.css.map */