.left-nav{
    position: fixed;
    left: 2.6vw;
    top: 31.83vw;
    padding: 26px;
    border-radius: 8px;
    border:1px solid rgba(194,198,213,1);
}
.left-nav div{
    font-size:18px;
    font-weight:400;
    columns: #444444;;
    line-height:25px;
}
.left-nav div:first-child{
    margin-bottom: 35px;
}
.active{
    color: #5A74CB;
}


.banner{
    width: 100%;
    height: 23.44vw;
    margin-top: 88px;
}
.main{
    margin: 30px auto;
    box-sizing: border-box;
}
.title{
    text-align: center;
    font-size:32px;
    font-weight:600;
    color:rgba(51,51,51,1);
    margin-bottom:20px;
}
.time{
    text-align: center;
    font-size:16px;
    font-weight:400;
  color:#999;
}
.content{
    margin-top: 2.6vw;
    font-size:16px;
}
.content iframe{
  max-width:100%;
}
.content p{
  font-size:16px;
  text-indent:2em;
}
.content img,.content video{
    max-width: 100%;
    margin: 10px auto;
    display:block;
}
.content a{
	color:#547DD4;
	border-bottom:1px dotted #547DD4;
}
.nextprev{
  color:#999;
}
.nextprev a:hover{
  color:#3677E2;
}
.relate{
  margin-top:30px;
}
.relate h3{
  font-weight:700;
}
.relate .image{
  height:140px;
  border-radius:8px;
}
.relate h4{
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.relate a{
  display:block;
}
.relate .row div{
  margin:10px auto;
}
.product{
  margin-top:40px;
}
.product h3{
  font-weight:700;
}
.product .con{
  margin:20px auto;
}
.product .item{
  margin: 10px 0 30px 0;
}
.product h4{
  font-size:16px;
  font-weight:700;
}
.product a{
  display:block;
  height:100%;
}
/* PAD */
@media screen and (min-width:768px) and (max-width:1199px) {
  .left-nav{
        padding: 22px;
  }
  .left-nav div{
        font-size: 16px;
  }
  .title{
      font-size: 26px;
      margin-bottom:15px;
  }
  .time{
      font-size: 16px;
      line-height: 25px;
  }
  .main{
    width:94%;
    margin:40px auto;
  }
}

/* 手机 */
@media screen and (max-width:767px) {
  .banner{
    margin-top: 64px;
  }
  .left-nav{
    display: none;
  }
  .main{
      width:94%;
      margin:20px auto;
  }
  .title{
      font-size: 18px;
      margin-bottom:10px;
  }
  .time{
      font-size: 12px;
  }
  .content{
      margin-top: 2.6vw;
      font-size:16px;
  }
}