.clear { line-height: 0px; clear: both; height: 0px; font-size:0px; }
.sy-qi1{
  font-size: 20px;
  font-weight: bolder;
}

.ddd-2-1{
  float:left;
  height: 500px;
}
.ddd-3-1{
  width:500px;
  height:520px;
  float:left;
  margin-left:20px;
}
.ddd-3{
  width:400px;
  height:430px;
}
.yishujia-ul{
  width: 250px; 
  height: 430px; 
  margin-top: 20px;
}
.yishujia-li-1{
  margin:10px 0 0 20px;
  float:left;
}
.yishujia-li-2{
  float: left; 
  height: 50px; 
  width: 100px; 
  padding-top: 30px; 
  margin-left: 10px;
}
.yishujia-li-3{
  float: left;
   margin-left: 10px;
}
.ddd-8{
  width:100%;
  height:230px;
}
.dli-8{
  width:25%; 
  float:left;
}
.ddd-9{
  display: block;
  font-size:18px;
  text-align:center;
}