*{
  margin:0;
  padding: 0;
  font-size:0.338rem;
}
a {
  text-decoration : none
}
a:hover {
  cursor: pointer;
}
.main{
  max-width: 750px;
  margin:0 auto;
}
.banner{
  width:100%;
}

/*
这是桌面端的样式，后面需要处理桌面端的
*/
.box {
  width: 600px;
  /*height: 120px;*/
  margin: 20px auto;
}
.summery{
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #4B4B4B;
  letter-spacing: 0;
  line-height: 24px;
  font-weight: 400;
}
.conference {
  margin-bottom: 30px;
}
.title-content {
  display: flex;
  justify-content: flex-start;
  flex-direction: row;
  align-items: center;
  margin-bottom: 25px;
}
.icon {
  width: 20px;
  height: 20px;
  margin-right: 12.5px;
}
.title {
  font-family: PingFangSC-Medium;
  font-size: 26px;
  color: #1C1C1C;
  letter-spacing: 0;
  font-weight: 500;
}
.more {
  width: 600px;
  display: flex;
  justify-content: flex-start;
  flex-direction: row;
  align-items: center;
  margin: 46px auto;
}
.banner-bottom {
  width: 293px;
  height: 129px;
}
.banner-bottom1{
  width: 293px;
  height: 129px;
  margin-left: 14px;
}
.more2 {
  width: 600px;
  display: flex;
  justify-content: flex-start;
  flex-direction: row;
  align-items: center;
  margin: 0px auto;
}
.banner-bottom2 {
  width: 600px;
  height: 129px;
}
.video {
  margin-bottom: 51px;
}
.video-more {
  width: 600px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  flex-direction: row;
  align-items: center;
}
.video-pre {
  width: 34px;
  height: 34px;
}
.video-next {
  width: 34px;
  height: 34px;
  margin-left: 30px;
}
.video-pre:hover {
  cursor: pointer;
}
.video-next:hover {
  cursor: pointer;
}
.news {
  background-color: #F7F7F7;
  padding-bottom: 30px;
  padding-top: 36px;
}
.events {
  background-color: #F7F7F7;
  padding-bottom: 30px;
  padding-top: 36px;
}
.title-content-news {
  display: flex;
  justify-content: flex-start;
  flex-direction: row;
  align-items: center;
  margin-bottom: 21px;
}
.list {

  background-color: #fff;
  border-radius: 4px;
  margin-bottom: 18px;
}
.list a {
  width: 600px;
  display: flex;
  justify-content: start;
  flex-direction: row;
  align-items: start;
}
.list-img {
  width: 110px;
  height: 110px;
  margin: 12px 12px 12px 15px;
  border-radius: 5%;
}
.list-text {
  display: inline-block;
  font-family: PingFangSC-Regular;
  font-size: 24.62px;
  color: #1C1C1C;
  letter-spacing: 0;
  line-height: 36.92px;
  font-weight: 400;
  flex: 1;
  margin-top: 28.5px;
  margin-right: 18.5px;
  margin-left: 18.5px;
}

.mask-box {
  width: 600px;
  height: 337px;
  position: relative;
  margin: 20px auto;
}
.mask {
  width: 600px;
  height: 337px;
  background: rgba(0,0,0,0.15);
  position: absolute;
  top: 0;
  left: 0;
}
.mask-img {
  width: 72.5px;
  height: 72.5px;
  position: absolute;
  top: 40%;
  left: 45%;
}
#mask-img:hover {
  cursor: pointer;
}
.video-text {
  width: 600px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #4B4B4B;
  letter-spacing: 0;
  line-height: 24px;
  font-weight: 400;
  margin: 17px auto;
}
.news-content {
  width: 600px;
  margin: 30px auto;
}

.video-box {
  width: 600px;
  height: 337px;
  position: absolute;
  top: 0;
  left: 0;
}
.video-box1 {
  width: 600px;
  height: 337px;
  position: absolute;
  top: 0;
  left: 600px;
  display: none;
}
.timeout{
  margin-top: 21px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #4B4B4B;
  letter-spacing: 0;
  line-height: 24px;
  font-weight: 400;
  text-align: center;
}
.timeout span{
  font-family: PingFangSC-Semibold;
  font-size: 32px;
  color: #A81E2B;
  letter-spacing: 0;
  line-height: 24px;
  font-weight: 600;
}