body {
    background: url(../imgs/sy_bg.png) no-repeat center / cover !important;
    
}
html,body{
    width: 100%;
    height: 100%;
  }

.gbymmbs{
    width: 1100px;
    margin: 0 auto;
    background-color: #FFFFFF;
    padding: 30px 31px;
}
.header{
    padding-top: 24px;
    width: 1100px;
    margin: 0 auto 64px auto;
  }
  .header a{
    display: inline-block;
  }
  .header img{
    height: 75px;
  }
  .header h1{
    font-size: 60px;
    font-weight: 600;
    color: #FFFFFF;
    line-height: 84px;
    letter-spacing: 1px;
    text-align: center;
    margin-top: 64px;
  }

  .conter .title-item {
    background-color: #f0f0f0;
    border-left: 23px solid rgba(45, 102, 165, 1);
    padding: 15px 17px;
    line-height: 24px;
  }
  
  .conter .title-item  span {
    display: block;
    float: left;
    color: rgba(45, 102, 165, 1);
    font-size: 20px;
    font-weight: bold;
    overflow: hidden;
    text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
  }
  .title-item:after {
    content: "";
    display: block;
    clear: both;
    height: 0;
}
  
  .conter .content-item {
    height: auto;
    overflow: hidden;
    width: 1038px;
  }
  
  .conter .content-item .top {
    width: 1038px;
    display: block;
  }
  
  .conter .top .caption {
    width: 257.5px;
    height: 54px;
    background: rgba(255, 255, 255, 1);
    float: left;
    border-right: 2px solid #EEEEEE;
  }
  
  .conter .top .caption:nth-child(4n) {
    border-right: none;
  }
  
  .conter .top .caption a {
    display: block;
  }
  
  .conter .top .caption a span {
    width: 250px;
    height: 24px;
    font-size: 16px;
    font-family: PingFang SC;
    color: #444444;
    line-height: 25px;
    overflow: hidden;
    text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
    white-space: nowrap;
    display: block;
    margin-top: 16px;
    margin-left: 10px;
  }


  /* 适老化 */
  .oldModel .conter .title-item span{font-size: 30px;line-height: 50px;margin: 0;height: 50px;padding-left: 20px;width: 96%;}
  .oldModel .conter .title-item{height: 50px;}
  .oldModel .conter .top .caption a span{font-size: 26px;line-height: 35px;height: 34px;}
  .oldModel .conter .top .caption{height: 66px;}