body,p,ul,ol,li,dl,dt,dd,h1,h2,h3,h4,h5,h6,form,fieldset,legend,input,select,textarea,button,th,td{margin:0;padding:0}
h1,h2,h3,h4,h5,h6{font-size:100%; font-weight:normal;}
ul,dl,ol{list-style:none}
img,fieldset,input[type="submit"]{border:0 none}
img{display:inline-block;overflow:hidden;vertical-align:top}
em,i{font-style:normal}
table{border-collapse:collapse;border-spacing:0}
button,input[type="button"]{cursor:pointer;border:0 none}
textarea{word-wrap:break-word;resize:none}
menu{margin:0;padding:0}
body{-webkit-text-size-adjust:none;padding:0px; font-family: "Microsoft YaHei",微软雅黑,"Microsoft JhengHei",华文细黑,STHeiti,MingLiu; font-size:100%;
-webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; text-align:center; background:#fff;
}
/*-webkit-user-select:none;  禁止选中文字复制*/
input[type="number"]{-webkit-user-select:text;}
.clear { clear:both;}
input[type=button]{
	-webkit-appearance:none;
	outline:none;
}
a,button,input,img{-webkit-touch-callout:none;outline:0}
a,button,input{-webkit-tap-highlight-color:rgba(0,0,0,0)}
@media all and (-webkit-transform-3d){a,button,input{-webkit-tap-highlight-color:rgba(130,130,130,.52)}}
a{text-decoration:none}


/*2017*/
.wrapper_box {position:absolute; width:100%; height:100%; left:0; top:0; overflow:hidden; z-index:1000; background:url(../images/wrapper_bg.png) repeat;}
.head_com { height:70px; width:100%; overflow:hidden; position:absolute;left:0;top:0; z-index:2000; }
.top {padding:30px 0 0 30px;text-align:left;  overflow:hidden;}
.top .logo { float:left; width:137px; height:40px; padding-right:50px; overflow:hidden;}
.menu {height:40px; overflow:hidden; float:left; }
.menu ul{ width:100%;}
.menu ul li { color:#fff; font-size:16px; height:40px; display:block; float:left; line-height:40px; margin:0; cursor:pointer; text-align:center; margin-right:50px;}
.menu ul li.vit {background:url(../images/menu_bg.png) no-repeat center bottom; color:#fff;}

.down_box {overflow:visible; text-align:center; z-index:1000; position:absolute; width:100%; height:260px; left:0; top:50%; margin-top:-130px;}
.down_box .slogan { text-align:center; padding:0 0 50px 0; overflow:hidden;}
.down_box .s_info {color:#fff; font-size:16px; padding-bottom:50px;}
.down_box .s_info span {padding:0 16px;}
.down_box .txt { text-align:center;  overflow:hidden; padding-bottom:20px;}
.video_play {width:36px; height:36px; clear:both; margin:0 auto 20px auto; cursor:pointer; background:url(../images/play.png) no-repeat; overflow:hidden; display:none; }
.down_box .code {text-align:center; display:none;}


.ft_con {width:100%; height:40px; position:absolute; left:0; bottom:20PX; overflow:hidden; z-index:1000;}
.copyright { color:#fff; font-size:12px; text-align:center; line-height:20px;}
.ft_con a {color:#fff;}

.pad_20 { padding:20px; text-align:left;}
.pad_20 .tr { padding:0 0 20px 0;}
.pad_20 .tr h3 { font-size:22px; color:#666; padding-bottom:6px;}
.pad_20 .tr p { font-size:14px; color:#666;}


.covervid-wrapper {position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index:0; overflow:hidden;}
.covervid-video {-webkit-filter:grayscale(30%)}