body{ font:12px/1.5 'Microsoft YaHei',Arial;background:#fbfbfb; color:#000}
html,body,p,dl,dt,dd,table,td,th,input,img,form,div,span,ul,ol,li,h1,h2,h3,h4,h5,h6,select,fieldset,fieldset,input,button,sub,sup,textarea{margin:0;padding:0; }
table {border-collapse:collapse; border-spacing:0;}
h1,h2,h3,h4,h5,h6 {font-size:100%;} 
iframe,img{ border:0 none;}
img{ vertical-align:middle;}
em,i{font-style: normal;}
ul,li,ol{list-style:none outside none;}
.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden;}
.clearfix{*zoom:1;}
a{ text-decoration:none;color:#333}
a:hover{ text-decoration:underline;color:#f30}
:focus { outline:0;}
.clear{ clear:both; overflow:hidden; font-size:0; height:0;line-height:0;}
/*header*/
.header{width:990px;margin:0 auto;text-align: center;}
.header h1{font-size:30px;color:#fff;font-weight:bold;margin-bottom:10px;font-family: 'Microsoft YaHei','SimHei',Arial;}
.header p{font-size:16px;line-height: 26px;}

.navMenu{width:990px;/* margin:25px auto 0; */position: absolute;top:-6px;z-index:1;}
.navMenu li{float: left;display:inline;overflow:hidden;width:169px;height:41px;text-align: center;line-height: 41px;position:relative;border: 1px solid #c5c5c5;background: #fff;margin:0 -1px;}
.navMenu li.w143{width:143px;}
.navMenu li a{display:block;line-height:41px;height:41px;color:#666;font-size: 16px;text-align: left;}
.navMenu li a:hover{color:#2c8dff;text-decoration:none;}
.navMenu li.current{border-color:#1c7dea;background: #4aa0ff;z-index:2;}
.navMenu li.current a{color:#fff;}
.navMenu li.current a:hover{color:#fff;}
.navMenu li i{  float: left;display:block;overflow: hidden;background: url(../images/help/defaultbrowser/sprite-icons.png) no-repeat;}
.navMenu li i.tecent-i{width:25px;height:27px;background-position: 0 0;margin: 7px 5px 7px 8px;_margin-left:2px;}
.navMenu li i.tsz-i{width:27px;height:27px;background-position:-32px 0;margin: 7px 4px auto 22px;_margin-left:5px;}
.navMenu li i.jinshan-i{width:27px;height:25px;background-position:-64px 0;margin:9px 5px auto 35px;;_margin-left:10px;}
.navMenu li i.baidu-i{width:26px;height:30px;background-position:-96px 0;margin:5px 5px auto 20px;;_margin-left:10px;}
.navMenu li i.liebao-i{width:27px;height:27px;background-position:-128px 0;margin:7px 5px auto 28px;;_margin-left:7px;}
.navMenu li i.qq-i{width:27px;height:27px;background-position:-160px 0;margin:7px 7px auto 29px;;_margin-left:8px;}
.navMenu li i.uc-i{width:25px;height:25px;background-position:-192px 0;margin:9px 9px auto 29px;;_margin-left:9px;}

/* .navMenu li.current i.first_t{background-position: 0 -247px;left:-1px;top:-1px;}
.navMenu li.current i.first_b{background-position: 0 -252px;left:-1px;bottom:-1px;}
.navMenu li.current i.last_t{background-position: -6px -247px;right:-1px;top:-1px;}
.navMenu li.current i.last_b{background-position: -6px -252px;right:-1px;bottom:-1px;} */

.container{background: url(../images/help/defaultbrowser/container_m.png) repeat-y center top;width:990px;margin:5px auto 0;position:relative;padding:0px 4px;}
.container .rim_t,.container .rim_b{display:block;height:8px;width:998px;overflow: hidden;position:absolute;left:0;}
.container .rim_t{background: url(../images/help/defaultbrowser/container_t.png) no-repeat;top:-8px;}
.container .rim_b{background: url(../images/help/defaultbrowser/container_b.png) no-repeat;bottom:-8px;}
.content_title{height:90px;text-align: center;padding-top:60px;font-size: 24px;color: #0184f3;/* border-bottom: 3px solid #93caf8; */vertical-align: middle;line-height: 90px;overflow: hidden;zoom:1;}
.content_title i{vertical-align:middle;display: inline-block;background: url(../images/help/defaultbrowser/sprites.jpg) no-repeat;margin-right:10px;}
.content_title i.icon1{_margin-top:22px;_margin-bottom:22px;width:44px;height: 46px;background-position: 0 -46px;/* vertical-align: -14px;*vertical-align: -15px; */}
.content_title i.icon2{_margin-top:26px;_margin-bottom:26px;width:40px;height: 38px;background-position: 0 -93px;/* vertical-align: -11px;*vertical-align: -3px; */}
.content_title i.icon3{_margin-top:25px;_margin-bottom:25px;width:36px;height: 40px;background-position: 0px -4px;/* vertical-align: -15px;*vertical-align: -6px; */}
.content_title i.icon4{_margin-top:19px;_margin-bottom:19px;width:53px;height: 52px;background-position: 0 -132px;/* vertical-align: -17px;*vertical-align: -10px; */}
.content_title i.icon5{_margin-top:19px;_margin-bottom:19px;width:44px;height: 52px;background-position: 0 -258px;/* vertical-align: -15px;*vertical-align: -7px; */}
.content_title i.icon6{_margin-top:20px;_margin-bottom:19px;width:42px;height: 49px;background-position: 0 -310px;/* vertical-align: -15px;*vertical-align: -7px; */}
.content_title i.icon7{_margin-top:22px;_margin-bottom:19px;width:44px;height: 44px;background-position: 0 -364px;/* vertical-align: -15px;*vertical-align: -7px; */}
.content_title i.icon8{_margin-top:25px;_margin-bottom:25px;width:40px;height: 45px;background-position: 0 -412px;/* vertical-align: -15px;*vertical-align: -7px; */}
.pt0{padding-top:0px;}

.warmtips{padding:40px 60px 40px 110px;overflow: hidden;}
.warmtips p{font-size: 14px;color: #999;margin:5px 0;}
.warmtips p.tent{text-indent:5em;}
.warmtips a{cursor: pointer;color:#999;}
.warmtips a:hover{text-decoration: none;color:#999;}

.content_body{padding:0 30px 20px 80px;overflow: hidden;}
.content_body .tit{line-height:40px;color:#333; font-size:18px;margin-top: 10px;}
.content_body .tit p{text-indent: 1.7em}
.content_body .tit a{color:#1b94f5;cursor: pointer;}
.content_body .tit a:hover{color:#1b94f5;text-decoration: none;}
.content_body .tit .num{float:left; width:40px; height:40px; margin-left:-20px; display:inline;margin-right: 10px; text-align:center; font:bold italic 30px/40px Arial; background:url(../images/help/defaultbrowser/sprites.jpg) 0 -190px no-repeat; color:#fff}
.content_body  img{display:block; margin:15px auto 40px 25px}

.footer{padding-top:15px; height:55px; color:#666; text-align:center; margin:0px auto;font-family: Tahoma;}
.footer a{color:#666;}
.footer a:hover{color:#999}

a.backtop{width:37px; height:37px; line-height:9999px; overflow:hidden; background:url(../images/help/defaultbrowser/top1.png) 0 0 no-repeat; position:absolute; left:50%; margin-left:508px; position:fixed; bottom:100px;_position:absolute;_bottom:auto; cursor:pointer;
transition:width .5s;-moz-transition:width .5s;-webkit-transition:width .5s;-o-transition:width .5s;-ms-transition:width .5s;}
a:hover.backtop{width: 116px;background-position: 0 -43px;}

/*yandong 新�?�css样式*/
.header .h-banner{height: 270px;background:url(../images/help/defaultbrowser/banner-bg.jpg) center top no-repeat;padding-top: 55px;}
.banner-txt{margin:25px auto auto 265px;text-align: left;}
.banner-txt .icon-bg{float:left;display: inline-block;width: 156px;height: 156px;background:url(../images/help/defaultbrowser/banner-icon.png) center top no-repeat;}

.warning{width:990px;margin:0 auto;height: 50px;line-height: 50px;color: #333;font-size: 18px}
.warning i.warn-i{display: inline-block;width: 27px;height: 27px;background:url(../images/help/defaultbrowser/warn-i.jpg) center top no-repeat;float:left;margin:11px 10px auto 0 ;}

.bantxt{overflow: hidden;zoom:1;display: inline-block;float: right;width: 520px;margin-top: 12px;color: #fff;}
.bantxt h2{font-size:20px;font-weight: bold;margin-bottom: 5px;}
.bantxt .download{float:left;margin-top: 15px;}
.bantxt .download a{float:left;width: 126px;height: 42px;line-height:42px;display:block;margin-right: 30px;color: #fff;font-size: 16px;text-decoration: none;}
.bantxt .download a:hover{text-decoration: underline;}
.bantxt .download a.dlbtn{background: url(../images/help/defaultbrowser/btn-2.png) no-repeat;background-position: -10px 0}
.bantxt .download a:hover.dlbtn{background-position: -10px -46px}
.bantxt .download a:active.dlbtn{background-position: -10px -92px}

.fixstate{position: fixed;top: 0;}