.brand-body{
     background:#f3f3f3;
}
.innerrtitle{
    background: #ffffff;
}
.item_brand * { transition-duration: .2s;
-ms-transition-duration: .2s;
-moz-transition-duration: .2s;
-webkit-transition-duration: .2s;
}
.item_brand { padding:0 0 100px 0; background:#f3f3f3; }
.item_brand ul{
    display: flex;
    flex-wrap: wrap;
    display: -webkit-box;      /* 兼容旧版 iOS & Android */
    display: -webkit-flex;     /* 兼容 iOS 9-10 */
    display: -ms-flexbox;      /* 兼容 IE */
    justify-content: center;
}
.item_brand li { 
    width:30%; 
    margin-right:4%; 
    background:#fff; 
    /*padding:25px; */
    margin-bottom:4%; 
    position:relative 
    
}
.item_brand li img { display:block; width:100%; height:auto; margin:0 auto }
.item_brand li:nth-child(3n) {
margin-right:0
}
.item_brand li div { 
    font-size:18px; 
    padding:10px 10px; 
    display: -webkit-box;
    display: -ms-flexbox; 
    display: -webkit-flex; 
    display: flex;
    -webkit-box-pack: center; 
    -ms-flex-pack: center;
    -webkit-justify-content: center; 
    justify-content: center; 
    -webkit-box-align: center; -ms-flex-align: center; -webkit-align-items: center; align-items: center; position:absolute; left:0; top:0; width:100%; height:100%; background:#3963ef; color:#fff; text-align:center }
.item_brand li div { filter:alpha(opacity=0); -webkit-opacity:0; -moz-opacity:0; -khtml-opacity:0; -ms-opacity:0; -o-opacity:0; opacity:0 }
/*.item_brand li:hover div { filter:alpha(opacity=100); -webkit-opacity:1; -moz-opacity:1; -khtml-opacity:1; -ms-opacity:1; -o-opacity:1; opacity:1 }*/
@media(max-width:1674px){
.item_brand{ padding:0 85px 50px 85px}
}

@media(max-width:1360px){
.item_brand{ padding:0 50px 40px 50px}
}

@media(max-width:600px){
.item_brand{ padding:0 25px 25px 25px}
.item_brand li{ width:48%; margin-right:4%}

.item_brand li:nth-child(1n){ margin-right:2%}
.item_brand li:nth-child(2n){ margin-right:0}
}
.wcenter {
    max-width: 1504px;
    margin: 0 auto;
}