html,body,ul,li,ol,dl,dd,dt,p,h1,h2,h3,h4,h5,h6,form,fieldset,legend,img{margin:0;padding:0}
h1,h2,h3,h4,h5,h6{font-weight:normal}
fieldset,img{border:0}
address,caption,cite,code,dfn,th,var{font-weight:normal;font-style:normal}
ul,ol{list-style:none}
setindex,input{vertical-align:middle}
setindex,input,textarea{margin:0;font-size:12px}
h1,h2,h3,h4,h5,h6{font-weight:normal}
table{border-collapse:collapse}
body{color:#666;font:12px/20px "SimSun","\5b8b\4f53","Arial Narrow"}
.clearfix:after{clear:both;display:block;visibility:hidden;height:0;content:"."}
.clearfix{zoom:1}
.clearit{clear:both;overflow:hidden;height:0;font-size:0}
a{color:#0a818f;text-decoration:none}
a:visited{color:#0a818f}
a:hover,a:active,a:focus{color:#f00;text-decoration:underline}
.marb10{ overflow:hidden; clear:both; height:10px;}
.body{ width:100%; background:url(/help/images/2013images/boby_bg.gif) repeat-x top #fff;}
/*header*/
.header{ width:950px; overflow:hidden; margin:0 auto;}
.header a{ color:#000;}
.sou{ height:32px; background:url(../images/2013new/sou.jpg); line-height:32px; text-align:right; margin:0 auto 5px;}

.main{width:950px; margin:0 auto;}
.main .main_tit{height:52px;background:url(/help/images/setindex/onepx02.png) 0 0 repeat-x;line-height:52px}
.main .main_tit h1{float:left;overflow:hidden;width:928px; padding-left:14px;height:52px;line-height:52px; color:#333; font-size:18px;font-family:"Microsoft YaHei","\5FAE\8F6F\96C5\9ED1","SimHei","\9ED1\4F53"; font-weight:bold;}
.main .main_tit{height:52px;background:url(/help/images/setindex/onepx02.png) 0 0 repeat-x;line-height:52px}
.main .main_tit_left,.main .main_tit_right{float:left;display:inline;width:4px;height:52px;background:url(/help/images/setindex/bg.png) no-repeat}
.main .main_tit_left{background-position:0 -175px}
.main .main_tit_right{background-position:-16px -175px}
.main .main_tit02{margin-top:18px}
.item{padding-left:56px;height:49px;border:1px solid #cbcbcb;border-top:0;background:#fff url(/help/images/setindex/browser_icon.png) no-repeat;color:#000;font-size:14px;line-height:49px;cursor:pointer}
.item_hover{background-color:#f7f7f8!important;background-image:url(/help/images/setindex/browser_icon2.png)!important;color:#0a818f!important}
.item span{float:left}
.item a{float:right;display:inline;margin:10px 17px;width:30px;height:30px;background:url(/help/images/setindex/bg.png) -42px 0 no-repeat}
.item a.arr{background-position:-42px 0}
.item a.arrup{background-position:0 -42px}
.item a.arr:hover{background-position:0 0}
.item a.arrup:hover{background-position:-42px -42px}
.ie{background-position:13px 7px;border:1px solid #cbcbcb;}
.safari{background-position:13px -642px}
.is360{background-position:13px -44px}
.maxthon{background-position:13px -94px}
.sogou{background-position:13px -144px}
.qq{background-position:13px -194px}
.tt{background-position:13px -244px}
.firefox{background-position:13px -294px}
.chrome{background-position:13px -344px}
.fast360{background-position:13px -394px}
.theworld_chrome{background-position:13px -592px}
.liebao{background-position:13px -494px}
.opera{background-position:13px -544px}
.theworld{background-position:13px -444px}
.green{background-position:13px -692px}
.kr{background-position:13px -744px}
.safe360{background-position:13px -797px}
.jinshan{background-position:13px -848px}
.qqsafe{background-position:15px -895px}
.jinshan2{background-position:16px -947px}
.item_ext{border-right:1px solid #cbcbcb;border-left:1px solid #cbcbcb;background-color:#f7f7f8}
.item_ext_tit{padding:0 20px;height:40px;background-color:#dee0e1;color:#333;line-height:40px}
.item_ext_tit span{float:left}
.download{float:left;display:inline;margin:5px;width:94px;height:30px;background:url(/help/images/setindex/bg.png) 0 -85px no-repeat;}
.download:hover{background-position:0 -126px}
.item_ext_cont{padding:20px 0 0 38px;background-color:#f7f7f8}
.item_ext_cont .item_ext_num i{float:left;display:inline;padding:16px 0 0 29px;width:68px;height:34px;background:url(/help/images/setindex/bg2.png) -427px -133px no-repeat;color:#fff;font-weight:bold;font-style:normal;font-size:30px;font-family:"Arial"}
.item_ext_cont .item_ext_nc{float:left;margin-top:6px;padding-right:10px;height:42px;border-top:1px solid #d2d2d2;border-bottom:1px solid #d2d2d2;background-color:#fff;color:#333;font-size:16px;font-family:"Microsoft YaHei","\5FAE\8F6F\96C5\9ED1","SimHei","\9ED1\4F53";line-height:42px}
.item_ext_cont .item_ext_ncr{float:left;display:inline;width:5px;height:50px;background:url(/help/images/setindex/bg2.png) -529px -133px no-repeat}
.item_ext_cont .item_ext_img{padding:20px}
.other_tip{padding:10px 20px;width:642px;background:#f7f7f8;font-size:14px;_padding-bottom:0}
.other_tip .other_tip_tit{margin:0 0 10px 20px;padding-left:32px;border:1px solid #9fe6f5;background:#e6fcff url(/help/images/setindex/safetool_icon.png) 10px -197px no-repeat;color:#f00;color:#004870;font-size:14px;line-height:34px;_margin-bottom:20px}
.other_tip .other_tip_it{padding-left:20px;height:34px;line-height:34px}
.other_tip .other_tip_it img{vertical-align:-3px}
.footer{padding:50px 0;color:#333;text-align:center;font-family:"Arial","SimSun","\5b8b\4f53"}
.openWin{position:fixed;_position:absolute;top:50%;left:50%; margin:-112px 0 0 -203px;z-index:1000;overflow:hidden;width:407px;}
.openWin .ow-top{height:42px;background:url(/help/images/setindex/openwin_tit.png) 0 0 no-repeat;_background:0;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=scale,src='images/setindex/openwin_tit.png')}
.openWin .ow-mid{padding:17px 0 30px 15px;border:1px solid #cbcbcb;border-top:0;background-color:#f7f7f8}
.openWin .atools{float:left;display:inline;margin-right:5px;width:90px;height:86px;background:url(/help/images/setindex/bg2.png) no-repeat}
.openWin a.safe360{background-position:0 -37px}
.openWin a.jinshan{background-position:-94px -37px}
.openWin a.qqsafe{background-position:-188px -37px}
.openWin a.jinshan2{background-position:-282px -37px}
.openWin a.safe360:hover{background-position:0 -131px}
.openWin a.jinshan:hover{background-position:-94px -131px}
.openWin a.qqsafe:hover{background-position:-188px -131px}
.openWin a.jinshan2:hover{background-position:-282px -131px}
.openWin .ow-bot{padding:9px 0 0 296px;height:39px;border:1px solid #cbcbcb;border-top:0;border-bottom:1px solid #cbcbcb;border-radius:0 0 5px 5px;background-color:#f5f5f5;line-height:48px}
.openWin .unstalled{display:block;width:90px;height:30px;background:url(/help/images/setindex/bg2.png) -427px -38px no-repeat}
.openWin .unstalled:hover{background-position:-427px -73px}
.maskDiv{position:absolute;top:0;left:0;width:100%;height:100%;background:#000;opacity:.7;filter:alpha(opacity=70)}
.setHomeBtn{display:block;width:210px;height:69px;background:url(/help/images/setindex/ie_btn.png) 0 0 no-repeat}
.setHomeBtn:hover{background-position:0 -110px}