@media screen and (min-width: 640px) {
    #pagewrap {
        margin: 0 auto;
        max-width: 640px;
    }
	
	.nav{ height:44px;}
    /*.nav ul li{
        height:44px;
		line-height:44px;
        font-size:1.2em;
		padding:0 1.25%;
    }	*/
	.work{ 
		width:100%;
		margin:0 auto;
		background:#f0f0f0;
		padding:6% 0;
		height:420px;
	
	}
	.form_one,.form_two,.form_three,.form_four,.form_five,.form_six{ 
			display:none; width:50%; height:4%; 
			background:rgba(0, 0, 0, 0.7)!important;
			filter:Alpha(opacity=70); background:#000; 
			position:absolute; z-index:999; 
			top:61%; left:25%; overflow:hidden;
	}	
	.bd_left{ float:left; padding:2% 6% 6%;}
	.bd_left p{ color:#fff; font-size:1.1em; line-height:1.4em;}
	
	.bd_title{ padding-right:10px; float:right; overflow:hidden;}
	
	.bd_title .bd_close{ 
			font-family:"微软雅黑";
			cursor:pointer;  
			color:#989898; font-size:2em; 
			font-weight:bold; text-align:center; 
			border-radius:50px;
	}	
	.student-box5{
		margin:0 auto;
		width:100%;
		height:450px;
		background:url("../images/stu_bj.png") no-repeat center top;
	}
	.student-box5-main{
		margin:0 auto;
		position:relative;
		top:110px;
	}
	.student-box5-img{
		margin-top:18px;
		width:640px;
		height:268px;
		overflow:hidden;
	}

    .bottom-btn{
        height:80px;
    }
    .bottom-btn1{
        height:80px;
        background:url("../images/bottom-btn1.png") no-repeat center center;
        background-size:58px 58px;
    }
    .bottom-btn2{
        height:80px;
        background:url("../images/bottom-btn2.png") no-repeat center center;
        background-size:58px 58px;
    }




}

@media screen and (min-width: 480px) and (max-width: 639px) {
    #pagewrap {
        margin: 0 auto;
        width: 100%;
    }
	
	.nav{ height:36px;}
    /*.nav ul li{
        height:36px;
        line-height:36px;
        font-size:1em;
		padding:0 1.0%;
    }*/
	
	.work{ 
		width:100%;
		margin:0 auto;
		background:#f0f0f0;
		padding:6% 0;
		height:360px;
	
	}

	.form_one,.form_two,.form_three,.form_four,.form_five,.form_six{ 
			display:none; width:50%; height:4%; 
			background:rgba(0, 0, 0, 0.7)!important;
			filter:Alpha(opacity=70); background:#000; 
			position:absolute; z-index:999; 
			top:61%; left:25%; overflow:hidden;
	}
	
	.bd_left{ float:left; padding:2% 6% 6%;}
	.bd_left p{ color:#fff; font-size:1.1em; line-height:1.4em;}
	
	.bd_title{ padding-right:10px; float:right; overflow:hidden;}
	
	.bd_title .bd_close{ 
			font-family:"微软雅黑";
			cursor:pointer;  
			color:#989898; font-size:1.8em; 
			font-weight:bold; text-align:center; 
			border-radius:50px;
	}
	
	.student-box5{
		margin:0 auto;
		width:100%;
		height:400px;
		background:url("../images/stu_bj.png") no-repeat center top;
	}
	.student-box5-main{
		margin:0 auto;
		position:relative;
		top:110px;
	}
	.student-box5-img{
		margin-top:28px;
		width:100%;
		height:auto;
		overflow:hidden;
	}
	

    .bottom-btn{
        height:64px;
    }
    .bottom-btn1{
        height:64px;
        background:url("../images/bottom-btn1.png") no-repeat center center;
        background-size:43px 43px;
    }
    .bottom-btn2{
        height:64px;
        background:url("../images/bottom-btn2.png") no-repeat center center;
        background-size:46.4px 46.4px;
    }
}

@media screen and (min-width: 320px) and (max-width: 479px) {
    #pagewrap {
        margin: 0 auto;
        width: 100%;
        min-width:320px;
    }
	
	.nav{ height:36px;}
    /*.nav ul li{
        height:36px;
        line-height:36px;
        font-size:1em;
		padding:0 1.0%;
    }*/
	
	.work{ 
		width:100%;
		margin:0 auto;
		background:#f0f0f0;
		padding:6% 0;
		height:250px;
	
	}
	.form_one,.form_two,.form_three,.form_four,.form_five,.form_six{ 
			display:none; width:50%; 
			background:rgba(0, 0, 0, 0.7)!important;
			filter:Alpha(opacity=70); background:#000; 
			position:absolute; z-index:999; 
			top:62%; left:25%; overflow:hidden;
	}	
	.bd_left{ float:left; padding:2% 6% 6%;}
	.bd_left p{ color:#fff; font-size:1.0em; line-height:1.4em;}	
	.bd_title{ padding-right:10px; float:right; overflow:hidden;}	
	.bd_title .bd_close{ 
			font-family:"微软雅黑";
			cursor:pointer;  
			color:#989898; font-size:1.8em; 
			font-weight:bold; text-align:center; 
			border-radius:50px;
	}
	.student-box5{
		margin:0 auto;
		width:100%;
		height:350px;
		background:url("../images/stu_bj.png") no-repeat center top;
	}
	.student-box5-main{
		margin:0 auto;
		position:relative;
		top:110px;
	}
	.student-box5-img{
		margin-top:28px;
		width:100%;
		height:auto;
		overflow:hidden;
	}

    .bottom-btn{
        height:48px;
    }
    .bottom-btn1{
        height:48px;
        background:url("../images/bottom-btn1.png") no-repeat center center;
        background-size:34.8px 34.8px;
    }
    .bottom-btn2{
        height:48px;
        background:url("../images/bottom-btn2.png") no-repeat center center;
        background-size:34.8px 34.8px;
    }
}