body,
ul{
    margin: 0;
    padding: 0;
}
ul{
    list-style: none;
}
li{margin: 0px;

padding: 0px;}
.container{
    margin: 0 auto;
}
.roll-wrap:hover .control{
    display: block;
}

.roll-wrap{
    position: relative;
    width: 100%;
    height: 297px;
    overflow: hidden;
    background: #4a4a4a00;
    
    float: right;
}
.roll-wrap .roll__list{

}
.roll-wrap1{
    position: relative;
    width: 100%;
    height:300px;
    overflow: hidden;
    background: #4a4a4a;
    margin-right: 0px;
    float: right;
}
.roll-wrap1 .roll__list{

}
.roll_row .roll__list::before, .roll_row .roll__list::after {
    content: "";
    display: table;
    line-height: 0;
}
.roll_row .roll__list::after {
    clear: both;
}
.roll_row .roll__list{
    width:100%;
}
.roll_row .roll__list li{
    float: left;
    display: block;
    padding-left: 15px;
    width: 215px;
   /* height: 220px;*/
    line-height: 220px;
    margin-top:0px;
    margin-bottom:20px;
    text-align: center;
    color: #fff;
    background-color:#ff990000;
}

.roll_row .roll__list .spgd{
    float: left;
    display: block;
    padding-left: 15px;
    width: 475px;
    height: 280px;
    line-height: 220px;
    margin-top:0px;
    margin-bottom:20px;
    text-align: center;
    color: #fff;
    background-color:#ff990000;
}
@media (max-width: 757px){
.roll_row .roll__list .spgd{
    float: left;
    display: block;
    padding-left: 15px;
    width: 365px;
    height: 280px;
    line-height: 220px;
    margin-top:0px;
    margin-bottom:20px;
    text-align: center;
    color: #fff;
    background-color:#ff990000;
  }}

.control{
    position: absolute;
    top: 30px;
    display:none;
    padding: 30px 5px;
    font-weight: bold;
    text-decoration: none;
    color: #fff;
    background-color: rgba(0, 0, 0, .3);
}
.control:hover{
    background-color: rgba(0, 0, 0, .5);
}
.control.pre{
    top:80px;
    
    font-size:32px;
    display: block;
}
.control.next{
  top:80px;
  left:98%;
  font-size:32px;
  display: block;
}
.control.next2{
  top:80px;
  left:96%;
  font-size:32px;
  display: block;
}
.roll_col{
    width: 100%;
    height: 200px;
    overflow: hidden;
}
.roll_col .roll__list{
    width: 100%;
}
.h600{
    height: 955px;
}

.roll_col li{
    display: block;
   
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    color: #fff;
    background-color: #ff990000;
}
.roll_col .li-2{
    background-color: #0099ff;
}
.roll_col .li-3{
    background-color: #ff0099;
}
.roll_col .li-4{
    background-color: #00ff99;
}
.roll_col .control{
    top: 50%;
}
@media (max-width: 757px){
.h600{
    height: 700px;
  }
.roll-wrap{
    margin-right:0px;
   height: 245px;
  }
.roll_row .roll__list li{
    width: 180px;
    height: 180px;
    line-height: 180px;
}
.roll-wrap1{
    width: 100%;
    margin-right:40px;
    float: none;
    height: 180px;
}
  .control{
    position: absolute;
    top: 30px;
    display:none;
    padding: 15px 5px;
    font-weight: bold;
    text-decoration: none;
    color: #fff;
    background-color: rgba(0, 0, 0, .3);
}
.control.pre{
    top:60px;
    font-size:32px;
    display: block;
}
.control.next{
  top:60px;
  left:92%;
  font-size:32px;
  display: block;
}
.control.next2{
  top:60px;
  left:92%;
  font-size:32px;
  display: block;
}  
  
}