.product{
	width: 100%;
	float: left;
}
.product .students{
	margin:0 auto;
	width:1100px;
	height:390px;
	}
.product .students p.PP{
	width:510px;
	height:50px;
	font-size:16px;
	color:#333;
	text-align:center;
	position:absolute;
	top:60px; 
	left:300px;
	}
#four_flash{
	position:relative;
	width:1100px;
	height:400px;
	 margin:0 auto;
	 }
#four_flash .flashBg{
	width:1100px;
	height:400px;
	 margin:0 auto;
	 position:relative;
	 overflow:hidden;
	 }
#four_flash .flashBg ul{
	width:2000%;
    list-style: none;
    animation: imgMove 20s linear infinite;

}
#four_flash .flashBg ul.mobile{
	width:2000%;
	height:400px; 
	position:absolute;
	left:0;
	
	}
#four_flash .flashBg ul.mobile li{
	float: left;
width: 278px;
height: 340px;
margin-left: 26px;
color: #6f7b87;
border: 1px solid #ccc;
box-shadow: 0 30 0 0 #ccc;
box-shadow: 0 0 13px 0 #adc3e0;
	}
 .flash_m img{
      transition: all 0.6s 
	}
#four_flash .flashBg ul.mobile li img:hover{
   transform: scale(1.1); 
	}
	
#four_flash .flashBg ul.mobile li img{
	width:278px;
	height:202px;
	display:block; 
	margin:0 auto;
	border: none;
}
#four_flash .flashBg ul.mobile li dd{
    font-size: 16px;
    width: 250px;
    line-height: 45px;
    text-align: center;
    font-weight: bold;
    color: #c7020b;
	}
#four_flash .flashBg ul.mobile li p{
	font-size:14px; 
	text-align:center;
	width:250px; 
	line-height:24px;
    height: 50px;
    overflow: hidden;
    text-overflow:ellipsis;
	color: #999;
	}
#four_flash .but_left{
	width:50px;
	height:100px;
	position:absolute;
	top: 55px;
    left: -73px;
}
#four_flash .but_right{
	width:50px;
	height:100px; 
	position:absolute;
    top: 55px;
    right: -84px;
	
	}
#four_flash .but_left:hover{

	border: 1px solid #E58212;
}
#four_flash .but_right:hover{
   border: 1px solid #E58212;
}
.flash_m{
	width: 280px;
	height: 202px;
	overflow: hidden;
}

@keyframes imgMove {
	from {
	transform: translateX(0px);
	}
	to {
	transform: translateX(-550px);
	}
 }
 #four_flash .flashBg ul.mobile li:hover{
background-color: #333366;
        animation-play-state:paused;
	}
	 #four_flash .flashBg ul.mobile li:hover dd{
		 color:#fff;
 }
 	 #four_flash .flashBg ul.mobile li:hover p{
	color:#fff;
 }
#four_flash .flashBg ul.mobile li:hover  .flash_m { background:#fff ;}