*{ margin:0px; padding:0px;}
body 
{
    line-height:1.5;
    font-family:微软雅黑; 
}
a{ text-decoration:none;}
ul,li{ list-style:none; }
img{ max-width:100%; vertical-align:middle; }

.gundong 
{
    width:1400px; 
    margin:100px auto;    
    height: 175px;   
    overflow: hidden;
}
.prev{
	width:80px; 
	height:80px; 
	background:url(../images/left.png) center center no-repeat; 
	float:left; 
	margin-top:50px; 
	cursor:pointer;
	box-shadow: 13px 15px 20px 0px rgb(213 223 232 / 40%);
	border-radius: 40px;
}  
.next{
	width:80px; 
	height:80px; 
	background:url(../images/right.png) center center no-repeat; 
	float:right;
	margin-top:50px; 
	margin-right: 10px;
	cursor:pointer;
	box-shadow: -13px 15px 20px 0px rgb(213 223 232 / 40%);
	border-radius: 40px;
}   
.gundong-list {
    width: 86%; 
    overflow: hidden;
    float: left;
    margin-left: 20px;
}
.gundong-list ul{width:100%; overflow:hidden;} 
.gundong-list ul li{ float:left; width:24%;  display:inline;  margin-right:10px;} 
.gundong-list ul li img{ width:100%; }