main {
  background: #071543;
}

.main {
  width: 100%;
  display: flex;
  
  margin: 0 auto;
}

.zuo {
  width: 200px;
  color: white;
  padding: 20px;
  box-sizing: border-box;
  transition: width 0.3s ease, padding 0.3s ease;
  flex-shrink: 0;
  overflow: hidden;
}

.zuo.closed {
  width: 0;
  padding: 0;
}

.rites {
  flex: 1;
  padding: 0 20px;
  transition: all 0.3s ease;
  position: relative;
}
.yincheng {
  position: absolute;
      right: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: none;
  z-index: 2;
  background: rgba(0, 0, 0, 0.4);
}
.ul_top {
  margin: 0 auto;
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  align-content: flex-start;
}
.ul_top li {
  display: flex;
  font-family: Nunito, Nunito;
  font-weight: 600;
  font-size: 16px;
  color: #a1d7f5;
  line-height: 20px;
  padding-top: 33px;
  padding-left: 16px;
}
.icon-icon-home3:before {
  font-size: 18px;
  margin-right: 16px;
}
.xian {
  width: 100%;
  height: 2px;
  margin-top: 33px;
  border: 1px solid #5282ac;
}
.maintopic {
  display: flex;
  width: calc(100vw - 260px);
  padding-top: 24px;
}
.maintopic.full {
  width: calc(100vw - 40px);
}
.maintopicright {
  width: calc(100% - 0px);
  display: flex;
  justify-content: space-between;
  overflow: auto;
  position: relative;
}
.maintopicrightlenteng {
  /* width: 2290px; */
  display: flex;
  gap: 12px;
}
.maintopicrightlenteng a {
    width: 230px;
}
.maintopicright dl {
  width: 100%;
}
.maintopicright dl dt {
  width: 100%;
  height: 160px;
  border-radius: 8px;
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  -ms-border-radius: 8px;
  -o-border-radius: 8px;
  overflow: hidden;
}
.maintopicright dl dt img {
  width: 100%;
  height: 100%;
  background: #D9D9D9;
}
.maintopicright dl dd p {
  font-family: Nunito, Nunito;
  font-weight: bold;
  font-size: 16px;
  color: #a1d7f5;
  line-height: 20px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  -webkit-box-orient: vertical;
  margin-top: 8px;
}
.maintopicright dl dd h6 {
  background: #0b2167;
  border-radius: 4px 4px 4px 4px;
  display: inline-block;
  font-family: Nunito, Nunito;
  font-weight: bold;
  font-size: 14px;
  color: #5e9bd9;
  line-height: 18px;
     padding: 2px 6px;
  margin-top: 10px;
}
.icon-collection-selected:before {
  margin-right: 4px;
}
.main_jianto {
  right: 10px;
  position: absolute;
    top: 30%; 
    width: 34px;
    height: 34px;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    font-weight: 900;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center; 
  display: none;
}
.zuo_jianto {
    position: absolute;
    left: 10px; 
    top: 30%; 
    width: 34px;
    height: 34px;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    font-weight: 900;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center; 
  display: none;
}

.zuo_jianto:disabled {
  cursor: not-allowed;
  color: #ccc;
}
.main_jianto:disabled {
  cursor: not-allowed;
  color: #ccc;
}

.maintopicright:hover .main_jianto {
  display: block;
  display: flex;
  align-items: center;
  justify-content: center;
}

.maintopicright:hover .zuo_jianto {
  display: block;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ul_top li span {
    font-weight: 100;
      margin-right: 16px;
}

.advern{
    margin-top: 26px;
    display: flex;
    align-items: center;
  }
  .tuer{
    font-family: Nunito, Nunito;
font-weight: 800;
font-size: 20px;
color: #FFFFFF;
line-height: 24px;
margin-right: 24px;
  }
  .View{
    font-family: Nunito, Nunito;
font-weight: bold;
font-size: 14px;
color: #A1D7F5;
line-height: 18px;
  }






@media (max-width: 900px) {
 .zuo {
    position: fixed;
    left: -184px;
  
      width: 180px;
    z-index: 10;
    padding: 0px;
    background: #071543;
    height: 100%;
     border-right: 4px solid #5282ac;
     transition: left 0.3s ease;
  }
   
  .zuo.closed {
     width: 180px;
    padding: 0;
    left: 0px;
      will-change: left;
}
  
  
  
  
  .maintopic {
    width: calc(100vw - 40px);
  }
 
}
@media (max-width: 750px) {
  .maintopic {
    padding-top: 12px;
  }


  .ul_top li {
    font-size: 16px;
    line-height: 20px;
    padding-top: 24px;
        font-weight: 500;
    padding-left: 10px;
  }
  .ul_top {
    padding-left: 10px;
  }
  .icon-icon-home3:before {
    font-weight: normal;
  }

  .xian {
    margin-top: 24px;
  }
 
  .maintopicright dl dd p {
    font-size: 14px;
    line-height: 18px;
    margin-top: 4px;
  }
  .maintopic {
    width: calc(100vw - 180px);
  }

  .maintopicright dl dd h6 {
    font-size: 12px;
    line-height: 16px;
    margin-top: 4px;
  }

  .maintopicrightlenteng a {
    width: 150px;
  }

  .maintopicright dl dt {
    height: 100px;
  }

  .rites {
    padding: 0 10px;
  }
  .maintopic.full {
    width: calc(100vw - 30px);
  }
}
@media (max-width: 500px) {
    .maintopic {
    width: calc(100vw - 26px);
    }
    .tuer {
    font-size: 16px;
    line-height: 20px;
    }
    .View {
    font-size: 12px;
    line-height: 16px;
    }
  
  .advTopp{

 margin-left: -15px!important;
  margin-right: -15px!important;
  
  }
  
  
  
  
  
  
  
  
  
  
}