.user-content {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.user-vital {
  width: 1200px;
  margin: 0 auto;
}

.user-top {
  width: 100%;
  height: 602px;
  padding: 0 24px;
  margin-top: 59px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: url(../../assets/img/user/banner_yh1.png) center center no-repeat;
  background-size: cover;
}

.user-top div {
  overflow: hidden;
}

.user-top p:nth-child(1) {
  font-size: 42px;
  font-family: "PingFang SC", "Microsoft YaHei";
  color: rgba(255, 255, 255, 1);
  text-align: center;
}

.user-top p:nth-child(2) {
  font-size: 20px;
  font-family: "PingFang SC", "Microsoft YaHei";
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  max-width: 620px;
  text-align: center;
  margin-top: 29px;
}

.user-video {
  max-width: 1200px;
  margin: 0 auto;
}

.video-text {
  width: 100%;
  height: 217px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.video-text div {
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

.video-text p:nth-child(1) {
  font-size: 30px;
  font-family: "PingFang SC", "Microsoft YaHei";
  color: #333333;
  font-weight: bold;
}

.video-text p:nth-child(2) {
  font-size: 14px;
  font-family: "PingFang SC", "Microsoft YaHei";
  color: #666666;
  margin: 10px 0;
}

.video-text p:nth-child(3) {
  width: 64px;
  height: 4px;
  background: rgba(24, 144, 255, 1);
}

.video-top {
  height: 230px;
}

.video-img {
  height: 230px;
  position: relative;
}

.video-img img {
  padding: 0 15px;
  width: 100%;
  height: 100%;
}

.video-img2 {
  height: 230px;
  position: relative;
}

.video-img2 img {
  width: 100%;
  height: 100%;
  padding: 0 15px;
}

.video-book {
  display: block;
  width: 100%;
}

.book-left {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 5px 16px 4px rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  margin-top: 90px;
  margin-bottom: 30px;
}

.book-text {
  width: calc(100% - 15px);
  /* height: 6.02rem; */
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 5px 16px 4px rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  margin-top: 90px;
  margin-bottom: 30px;
  margin-left: 15px;
  overflow: hidden;
}

.book-content h3 {
  text-align: center;
  font-size: 28px;
  font-family: "PingFang SC", "Microsoft YaHei";
  color: #333333;
  font-weight: bold;
  margin: 28px 0 29px;
}
.book-content {
  padding: 10px 30px;
}
.book-content span {
  display: block;
  text-indent: 32px;
  font-size:14px;
  font-family: "PingFang SC", "Microsoft YaHei";
  font-weight:300;
  color:#666666;
  line-height:24px;
}

.video-app-book {
  display: none;
}

.book-content p {
  font-size: 18px;
  font-family: "PingFang SC", "Microsoft YaHei";
  color: #333333;
  font-weight: bold;
  margin: 30px 0 20px;
}

.tree-top {
  display: flex;
  align-items: center;
  height: 49px;
}

.tree-top p:nth-child(1) {
  width: 4px;
  height: 18px;
  background: rgba(24, 144, 255, 1);
}

.tree-top p:nth-child(2) {
  height: 100%;
  width: calc(100% - 4px);
  text-indent: 10px;
  line-height: 49px;
  font-size: 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.tree-list ul {
  overflow: hidden;
}

.tree-list ul li {
  line-height: 40px;
  cursor: pointer;
}

/* .tree-list ul li:hover{
  color: rgba(24, 144, 255, 1);
  cursor: pointer;
} */
.tree-list ul li:nth-child(1) {
  font-size: 16px;
  font-family: "PingFang SC", "Microsoft YaHei";
  color: rgba(0, 0, 0, 1);
  margin-left: 20px;
}

.list-btn span:nth-child(2) {
  margin-left: 10px;
}

.list-btn .btn-boult {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: url(../../assets/img/user/icon_lb2.png) center center no-repeat;
}

.list-btn .hide-boult {
  display: inline-block;
  width: 10px;
  height: 10px;
}

.list-child {
  margin-left: 60px;
  display: none;
}

.selectColor {
  color: rgba(24, 144, 255, 1) !important;
  cursor: pointer;
}

.list-btn:hover .btn-boult {
  background: url(../../assets/img/user/icon_lb1.png) center center no-repeat;
}

.rotate {
  transform: rotate(90deg);
  transition: all .3s linear;
}

.video-box {
  overflow: hidden;
  height: 530px;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
}

.dotActive {
  background:rgba(16,142,233,1) !important;
}

.flex {
  display: flex !important;
}

.video-app-box {
  display: none;
}

.video-dwon {
  position: relative;
}

.video-top {
  position: relative;
  display: flex;
  justify-content: space-evenly;
}

.video-top .video-img:hover {
  margin-top: 10px;
}

.video-dwon .video-img2:hover {
  margin-top: 10px;
}

.video-name {
  margin: 0;
  padding: 0;
  position: absolute;
  bottom: 0;
  width: calc(100% - 30px);
  height: 40px;
  background: url(../../assets/img/user/mo-01.png) no-repeat;
  background-size: 100% 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-left: 15px;
}

.video-name p:nth-child(1) {
  font-size: 16px;
  font-family: "PingFang SC", "Microsoft YaHei";
  color: rgba(255, 255, 255, 1);
}

.video-name p:nth-child(2) {
  font-size: 14px;
  font-family: "PingFang SC", "Microsoft YaHei";
  
  color: rgba(255, 255, 255, 1);
}

.video-icon {
  width: 41px;
  height: 45px;
  background: url(../../assets/img/user/icon_bf.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.switch {
  margin-top: 40px;
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.prev, .next {
  height: 66px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.prev {
  align-items: flex-start;
}

.next {
  align-items: flex-end;
}

.switch-btn {
  width:110px;
  height:32px;
  border-radius:16px;
  font-size:14px;
  font-family: "PingFang SC", "Microsoft YaHei";
  font-weight:400;
  color: rgba(0,0,0,.3);
  border: 1px solid rgba(0,0,0,.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.active-btn {
  color: #1890FF;
  border: 1px solid #1890FF;
}

.active-btn:hover {
  color: #ffffff;
  background: #1890FF;
}

.switch-title {
  font-size:14px;
  font-family: "PingFang SC", "Microsoft YaHei";
  font-weight:bold;
  color:rgba(0,0,0,.85);
}

.book-content .switch-icon {
  width: 8px;
  height: 8px;
  line-height: 8px;
  text-indent: 6px;
  display: inline-block;
  font-size:14px;
  font-family: "PingFang SC", "Microsoft YaHei";
  font-weight:400;
  color:rgba(24,144,255,1);
}