.main {
  width: 100%;
}
.main .banner {
  width: 100%;
  margin-top: 95px;
}
.main .banner img {
  width: 100%;
}
.main .public_tab {
  width: 60%;
  margin: 80px auto 70px;
}
.main .public_tab ul {
  display: flex;
  align-items: center;
  justify-content: center;
}
.main .public_tab ul li {
  width: 160px;
  height: 50px;
  margin-right: 10px;
  border-radius: 10px;
  box-sizing: border-box;
  border: 1px solid #e5e5e5;
  text-align: center;
  line-height: 50px;
  font-size: 18px;
  color: #333;
  cursor: pointer;
}
.main .public_tab ul li a {
  display: block;
  border-radius: 10px;
}
.main .public_tab ul li:hover a {
  background-color: red;
  color: #FFF;
  border: 1px solid red;
}
.main .public_tab ul .public-active {
  background-color: red;
  color: #FFF;
}
.main .problem-list {
  width: 1200px;
  margin: 0 auto;
}
.main .problem-list li {
  position: relative;
  float: left;
  width: 32%;
  height: 262px;
  margin-bottom: 20px;
  margin-right: 20px;
  cursor: pointer;
}
.main .problem-list li .problem-list-video {
  width: 100%;
  height: 100%;
}
.main .problem-list li .problem-list-video .img {
  width: 100%;
  height: 100%;
}
.main .problem-list li .problem-list-video .video {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  z-index: 2;
  display: block;
  width: 58px;
  height: 58px;
}
.main .problem-list li .problem-title {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
}
.main .problem-list li .problem-title .name {
  font-size: 20px;
  color: #fff;
  line-height: 30px;
  text-align: center;
}
.main .problem-list li .problem-title span {
  display: block;
  font-size: 14px;
  color: #fff;
  line-height: 24px;
  text-align: center;
}
.main .problem-list li .problem-title span .icon {
  float: left;
  width: 20px;
  height: 12px;
  margin-top: 5px;
  margin-right: 10px;
  vertical-align: sub;
  background: url("../../img/video/icon1.png") no-repeat center;
  background-size: 100% auto;
}
.main .problem-list li .problem-title span .icon1 {
  float: left;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  margin-right: 10px;
  vertical-align: sub;
  background: url("../../img/video/biao.png") no-repeat center;
  background-size: 100% auto;
}
.main .problem-list li:nth-child(3n) {
  margin-right: 0;
}
.main .problem-list li .pupob-video {
  position: fixed;
  top: 90px;
  left: 0;
  z-index: 30;
  width: 100%;
  height: 100%;
  background-color: #000000;
  display: none;
}
.main .problem-list li .pupob-video .pupub-content {
  position: relative;
  width: 1200px;
  height: 600px;
  margin: 10% auto 0;
}
.main .problem-list li .pupob-video .pupub-content video {
  width: 100%;
  height: 400px;
}
.main .problem-list li .pupob-video .pupub-content img {
  position: absolute;
  top: -25px;
  right: -25px;
  width: 55px;
  height: 55px;
}
.main .direct-video {
  width: 1200px;
  margin: 0 auto;
}
.main .direct-video .video-left {
  float: left;
  width: 72%;
  box-sizing: border-box;
}
.main .direct-video .video-left img {
  display: block;
}
.main .direct-video .video-left p {
  margin-top: 35px;
  font-size: 24px;
}
.main .direct-video .video-right {
  float: left;
  width: 28%;
  box-sizing: border-box;
}
.main .direct-video .video-right h6 {
  font-size: 24px;
  color: #333;
  line-height: 24px;
}
.main .direct-video .video-right h6 em {
  float: left;
  width: 3px;
  height: 24px;
  margin-right: 10px;
  vertical-align: sub;
  background: url("../../img/video/line.png") no-repeat center;
  background-size: 100% auto;
}
.main .direct-video .video-right .swiper-container {
  width: 100%;
  margin-top: 40px;
}
.main .direct-video .video-right .swiper-container .refresh {
  position: absolute;
  line-height: 100px;
  bottom: 100%;
  text-align: center;
  width: 100%;
}
.main .direct-video .video-right .swiper-container .loadmore {
  position: absolute;
  line-height: 20px;
  top: 100%;
  text-align: center;
  width: 100%;
}
.main .direct-video .video-right .swiper-container .swiper-slide {
  background: #fff;
  height: 100px;
  margin-bottom: 20px;
}
.main .direct-video .video-right .swiper-container .swiper-slide video {
  float: left;
  width: 170px;
}
.main .direct-video .video-right .swiper-container .swiper-slide img {
  display: block;
  float: left;
}
.main .direct-video .video-right .swiper-container .swiper-slide .video-title {
  float: left;
  padding-left: 20px;
}
.main .direct-video .video-right .swiper-container .swiper-slide .video-title p {
  font-size: 18px;
  color: #333;
}
.main .direct-video .video-right .swiper-container .swiper-slide .video-title span {
  display: block;
  margin-top: 40px;
  font-size: 14px;
  color: #666;
  line-height: 14px;
}
.main .direct-video .video-right .swiper-container .swiper-slide .video-title span .icon {
  float: left;
  width: 20px;
  height: 12px;
  margin-right: 10px;
  vertical-align: sub;
  background: url("../../img/video/icon1.png") no-repeat center;
  background-size: 100% auto;
}