body,h1,h2,h3,h4,h5,p,dl,dd,ol,ul,th,td,fieldset,input,button,textarea,form,canvas,audio,video,article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary{margin:0;padding:0px;}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary{display:block}
audio,canvas,video{display:inline-block;*display:inline;*zoom:1}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;word-wrap:break-word}
h1,h2,h3,h4,h5{font-size:100%}
ol,ul{list-style:none}
img{border:0;-ms-interpolation-mode:bicubic}
cite,em,s,i,b{font-style:normal}
input,button,textarea,select{font-size:100%}
body,input,button,textarea,select,option{font-size:normal}
input,textarea{text-decoration:none;outline:0;-webkit-tap-highlight-color:rgba(0,0,0,0)}
li,img,label,input{vertical-align:middle}
var{font-style:normal}
ins{text-decoration:none}
abbr,acronym{border:0;font-variant:normal}
sup{vertical-align:text-top}
sub{vertical-align:text-bottom}
button,select{text-transform:none}
button[disabled],html input[disabled]{cursor:default}
input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0;*height:13px;*width:13px}
button,input,select,textarea{margin:0;vertical-align:baseline;*vertical-align:middle}
button::-moz-focus-inner,input[type=reset]::-moz-focus-inner,input[type=button]::-moz-focus-inner,input[type=submit]::-moz-focus-inner,input[type=file]>input[type=button]::-moz-focus-inner{border:0;padding:0}
button,html input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:button;cursor:pointer;*overflow:visible}
a{ text-decoration:none; outline:none;}
a:active {star:expression(this.onFocus=this.blur());} 
.clear{ clear:both;}
.left{ float:left;}
.right{ float:right;}

body{ font-family:"Microsoft YaHei";}

.indexding{ position:fixed; z-index:1; top:0px; left:0px; width:100%; height:100%;}
.index_box{ width:100%; position:fixed; height:76%; top:24%; left:0px;}		

.lay_wrap{height:100%;position:relative;min-height:900px}

.lay_background{position:absolute;left:0;top:0;z-index:-1;overflow:hidden}
.lay_background .lay_background_img{position:absolute;left:0;top:0;z-index:-1}
.lay_background .lay_background_img{opacity:0;-webkit-transition:opacity .8s ease;-moz-transition:opacity .8s ease;transition:opacity .8s ease}
.lay_background .lay_background_img_fade_out{opacity:1}

.szsy{ position:fixed; top:40px; right:30px;}
.szsy ul{ float:left;}
.szsy ul li{ float:left; width:110px; font-size:16px; color:#fff; background:url(/xq70/images/ic_srebor.png) no-repeat right center; margin-right:20px;}
.szsy ul li a{ color:#fff;}
.szsy ul li a:hover{ text-decoration:underline;}
.szsy ul li img{ vertical-align:-3px; margin-right:8px;}
.szsy ul li:last-child{ background:none;}

.lay_main{max-width:1250px; margin:auto; overflow:hidden;}


.indexct{max-width:1200px; margin:auto; overflow:hidden;}
.indexct_pad{ padding:5% 15px 0px;}
.topnav{ width:100%; float:left; padding:15px 0px;}
.topnav ul{ width:100%;}
.topnav ul li{ float:left; width:25%; display:block; padding-bottom:25%; position:relative;}
.topnav ul li .tnav_wz{width:100%; height:100%; position:absolute; z-index:2; top:0; left:0;  text-align:center; background:url(/xq70/images/navbg.png) no-repeat center; background-size:100% 100%;-webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;}
.topnav ul li:hover .tnav_wz{width:110%; height:110%; position:absolute; z-index:3; top:-5%; left:-5%; background:url(/xq70/images/navbg2.png) no-repeat; background-size:100% 100%; cursor:pointer;}


.tnav_wz .tnav_ic{ width:100%; float:left; height:100px; line-height:100px; text-align:center; margin-top:25%;}
.tnav_wz .tnav_ic .tnav_img{ width:100%; float:left;}
.tnav_wz .tnav_ic .tnav_img img{ height:100px;}
.tnav_wz .tnav_ic .tnav_img2 img{ height:100px;}
.tnav_wz .tnav_ic .tnav_img2{ display:none;}
.topnav ul li:hover .tnav_ic .tnav_img{ display:none;}
.topnav ul li:hover .tnav_ic .tnav_img2{ display:block;}

.topnav ul li .tnav_wz h2{ width:100%; float:left; font-size:24px; color:#fef3c1; line-height:30px; font-weight:normal;}
.topnav ul li .tnav_wz h3{ width:100%; float:left; font-size:16px; color:#fef3c1; line-height:26px; font-weight:normal;}
.topnav ul li:hover .tnav_wz h2{ color:#451019; font-weight:bold;}
.topnav ul li:hover .tnav_wz h3{ color:#451019;}


.tnavdw2{ margin-top:12.4%; margin-left:-12.5%;}  /*动态快讯*/
.tnavdw3{ margin-top:0; margin-left:-12.5%;}      /*媒体贸大*/
.tnavdw4{ margin-top:12.4%; margin-left:-12.5%;}  /*学术活动*/
.tnavdw5{ margin-top:0; margin-left:-12.5%;}      /*院系动态*/
.tnavdw6{ margin-top:12.4%; margin-left:-12.5%;}  /*校友活动*/
.tnavdw7{ margin-top:0; margin-left:-12.5%;}      /*师生风采*/

.ind70_y{ position:fixed;  right:35px; bottom:20px;}
.ico-zhufu{
    display: block;
    position: absolute;
    bottom: 40%;
    right: 5px;
    z-index: 999;
}
.ico-zhufu img{
max-width:100%;
}

@media screen and (max-width:1200px){

.indexct{width:100%; margin:auto; overflow:hidden;}	
.topnav{ width:100%; float:left; margin-top:0;}

.tnav_wz .tnav_ic{ width:100%; float:left; height:80px; line-height:80px; text-align:center; margin-top:20%; margin-bottom:0px;}
.tnav_wz .tnav_ic .tnav_img img{ height:80px;}
.tnav_wz .tnav_ic .tnav_img2 img{ height:80px;}


.topnav ul li .tnav_wz h2{ width:100%; float:left; font-size:22px; color:#fef3c1; line-height:30px; font-weight:normal;}
.topnav ul li .tnav_wz h3{ width:100%; float:left; font-size:16px; color:#fef3c1; line-height:26px; font-weight:normal;}

.ind70_y img{ height:100px;}

.ico-zhufu{
    bottom: 25%;

}

	}

@media screen and (max-width:1024px){
.topnav{ width:100%; float:left; margin-top:0; padding-top:10%;}

.ind70_y{ position:fixed; right:35px;}

	}

@media screen and (max-width:768px){
.indexding{ position:fixed; z-index:1; top:0px; left:0px; width:100%; height:100%; background:url(/xq70/images/sybj_sj.jpg) no-repeat center top; background-size:auto 100%;}
	
.topnav{ width:100%; float:left; margin-top:0; padding-top:20%;}
.topnav ul li{ float:left; width:33.3%; display:block; padding-bottom:33.3%; position:relative;}

.tnav_wz .tnav_ic{ width:100%; float:left; height:60px; line-height:60px; text-align:center; margin-top:18%; margin-bottom:0px;}
.tnav_wz .tnav_ic .tnav_img img{ height:60px;}
.tnav_wz .tnav_ic .tnav_img2 img{ height:60px;}

.topnav ul li .tnav_wz h2{ width:100%; float:left; font-size:20px; color:#fef3c1; line-height:30px; font-weight:normal;}
.topnav ul li .tnav_wz h3{ width:100%; float:left; font-size:14px; color:#fef3c1; line-height:26px; font-weight:normal;}

.tnavdw2{ margin-top:-16.5%; margin-left:-16.6%;}   /*动态快讯*/
.tnavdw3{ margin-top:0; margin-left:-16.65%;}      /*媒体贸大*/
.tnavdw4{ margin-top:-16.5%; margin-left:-16.6%;}   /*学术活动*/
.tnavdw5{ margin-top:0; margin-left:-16.65%;}      /*院系动态*/
.tnavdw6{ margin-top:-16.7%; margin-left:16.7%;}    /*校友活动*/
.tnavdw7{ margin-top:-16.6%; margin-left:0%;}      /*师生风采*/


.ind70_y{position:fixed;  right:35px; bottom:20px;}
.ind70_y img{ height:90px;}

.ico-zhufu{
max-width:100px;
    bottom: 14%;

}

	}

@media screen and (max-width:540px){
.index_box{ width:100%; position:fixed; height:76%; top:24%; left:0px; overflow-y:scroll;}	

.szsy{ position:fixed; top:10px; right:0px;}
	
.topnav{ width:100%; float:left; margin-top:20%;}
.topnav ul li{ float:left; width:33.3%; display:block; padding-bottom:33.3%; position:relative;}

.tnav_wz .tnav_ic{ width:100%; float:left; height:60px; line-height:60px; text-align:center; margin-top:18%; margin-bottom:0px;}
.tnav_wz .tnav_ic .tnav_img img{ height:60px;}
.tnav_wz .tnav_ic .tnav_img2 img{ height:60px;}


.topnav ul li .tnav_wz h2{ width:100%; float:left; font-size:14px; color:#fef3c1; line-height:20px; font-weight:normal;}
.topnav ul li .tnav_wz h3{ width:100%; float:left; font-size:12px; color:#fef3c1; line-height:18px; font-weight:normal;}

.tnavdw2{ margin-top:-16.5%; margin-left:-16.6%;}  /*动态快讯*/
.tnavdw3{ margin-top:0; margin-left:-16.65%;}      /*媒体贸大*/
.tnavdw4{ margin-top:-16.5%; margin-left:-16.6%;}  /*学术活动*/
.tnavdw5{ margin-top:-16.7%; margin-left:0;}      /*院系动态*/
.tnavdw6{ margin-top:-16.9%; margin-left:16.6%;}  /*校友活动*/
.tnavdw7{ margin-top:-16.7%; margin-left:0%;}     /*师生风采*/

.ind70_y{ position:fixed; right:20px;}
.ind70_y img{ height:80px;}
	}



@media screen and (max-width:414px){
.topnav{ width:100%; float:left; margin-top:22%;}	
.topnav ul li{ float:left; width:33.3%; display:block; padding-bottom:33.3%; position:relative;}

.tnav_wz .tnav_ic{ width:100%; float:left; height:40px; line-height:40px; text-align:center; margin-top:13%; margin-bottom:0px;}
.tnav_wz .tnav_ic .tnav_img img{ height:40px;}
.tnav_wz .tnav_ic .tnav_img2 img{ height:40px;}


.topnav ul li .tnav_wz h2{ width:100%; float:left; font-size:12px; color:#fef3c1; line-height:20px; font-weight:normal;}
.topnav ul li .tnav_wz h3{ width:100%; float:left; font-size:12px; color:#fef3c1; line-height:18px; font-weight:normal;}


	}


@media screen and (max-width:375px){
.indexct_pad{ padding:0px 18%;}
	
.topnav{ width:100%; float:left; margin-top:0%; padding-top:25%;}	
.topnav ul li{ float:left; width:50%; display:block; padding-bottom:50%; position:relative;}

.tnav_wz .tnav_ic{ width:100%; float:left; height:30px; line-height:30px; text-align:center; margin-top:13%; margin-bottom:0px;}
.tnav_wz .tnav_ic .tnav_img img{ height:30px;}
.tnav_wz .tnav_ic .tnav_img2 img{ height:30px;}

.topnav ul li .tnav_wz h2{ width:100%; float:left; font-size:12px; color:#fef3c1; line-height:20px; font-weight:normal;}
.topnav ul li .tnav_wz h3{ width:100%; float:left; font-size:12px; color:#fef3c1; line-height:18px; font-weight:normal;}


.tnavdw2{ margin-top:-25%; margin-left:-25%;}  /*动态快讯*/
.tnavdw3{ margin-top:0; margin-left:-25%;}      /*媒体贸大*/
.tnavdw4{ margin-top:-25%; margin-left:25%;}  /*学术活动*/
.tnavdw5{ margin-top:-25%; margin-left:0;}      /*院系动态*/
.tnavdw6{ margin-top:-25%; margin-left:0%;}  /*校友活动*/
.tnavdw7{ margin-top:-25%; margin-left:25%;}     /*师生风采*/

.ind70_y{position:fixed; right:0px; bottom:0px;}
.ind70_y img{ height:50px;}
	}


@media screen and (max-width:360px){
.indexct_pad{ padding:0px 15%;}
	
.topnav{ width:100%; float:left; margin-top:0%; padding-top:25%;}	
.topnav ul li{ float:left; width:50%; display:block; padding-bottom:50%; position:relative;}


.topnav ul li .tnav_wz h2{ width:100%; float:left; font-size:12px; color:#fef3c1; line-height:20px; font-weight:normal;}
.topnav ul li .tnav_wz h3{ width:100%; float:left; font-size:12px; color:#fef3c1; line-height:18px; font-weight:normal;}



.tnavdw2{ margin-top:-25%; margin-left:-25%;}  /*动态快讯*/
.tnavdw3{ margin-top:0; margin-left:-25%;}      /*媒体贸大*/
.tnavdw4{ margin-top:-25%; margin-left:25%;}  /*学术活动*/
.tnavdw5{ margin-top:-25%; margin-left:0;}      /*院系动态*/
.tnavdw6{ margin-top:-25%; margin-left:0%;}  /*校友活动*/
.tnavdw7{ margin-top:-25%; margin-left:25%;}     /*师生风采*/

.ind70_y{ position:absolute; right:5px; bottom:5px;}
.ind70_y img{ height:40px;}
	}