.banner{width:910px;height:304px;margin:0 auto}.actives{overflow:hidden;width:910px;position:relative;height:304px}.actives .tab{overflow:hidden;width:910px;height:304px;color:#333}.actives .tab .lb{overflow:hidden;width:910px;height:304px;position:relative}.actives .tab img{width:910px;height:304px}.actives .tab .s_box{left:6px;width:135px;height:54px;position:absolute;top:114px;z-index:2}.actives .tab .title_box{left:120px;height:11px;line-height:15px;position:absolute;top:150px;z-index:2;font-size:12px;font-weight:bold}.actives .tab .title_box a{color:#1e7ac7;font-size:11px;font-family:Tahoma,Arial,Helvetica,sans-serif}.actives .tab_btns{z-index:1;right:10px;bottom:10px;position:absolute}.actives .tab_btns a{background:url(http://s.pc.qq.com/pc/images/26/ed/26edb0157c6293e649424670a2d2a109.gif) no-repeat;float:left;width:10px;text-decoration:none;padding-right:10px}.actives .tab_btns a.on{background:url(http://s.pc.qq.com/pc/images/f0/46/f046faabc169eaf1032633c5d25d6678.gif) no-repeat;float:left;width:20px;text-decoration:none}.des_box{left:120px;top:170px;position:absolute;z-index:2}.download_box{left:115px;top:195px;width:127px;height:45px;position:absolute;z-index:2}.download_box a{display:block;background-image:url(http://s.pc.qq.com/pc/images/8b/46/8b46d63d39214471e3bf95588f3a1bcf.gif);width:127px;height:32px;z-index:2}.weibo{FONT-SIZE:12px;FLOAT:right;COLOR:#6d8c9e}.weibo a{DISPLAY:inline-block;PADDING-LEFT:20px;BACKGROUND:url(http://s.pc.qq.com/pc/images/85/55/85553cc206dbb384ffbc9709d9271350.gif) no-repeat left center;COLOR:#6d8c9e;TEXT-DECORATION:none;line-height:28px}.content{width:910px;margin:0 auto}.title_brower{float:left;width:100%;border-bottom:#dfeffe 1px solid;padding-top:30px;*line-height:28px;margin-bottom:20px}.title_brower h1{float:left}.showcase{float:left;width:100%}.showcase .css1{float:left;width:204px;margin-right:30px}.showcase .css1 a{background:url("http://s.pc.qq.com/qqbrowser/images/1.jpg") no-repeat scroll 0 0 transparent;display:block;height:134px;width:204px}.showcase .css1 a:hover{background-position:0 -134px;display:block;height:134px;width:204px}.showcase .css2 a{background:url("http://s.pc.qq.com/qqbrowser/images/2.jpg") no-repeat scroll 0 0 transparent;display:block;height:134px;width:204px}.showcase .css2 a:hover{background-position:0 -134px;display:block;height:134px;width:204px}.showcase .css3 a{background:url("http://s.pc.qq.com/qqbrowser/images/3.jpg") no-repeat scroll 0 0 transparent;display:block;height:134px;width:204px}.showcase .css3 a:hover{background-position:0 -134px;display:block;height:134px;width:204px}.showcase .css4 a{background:url("http://s.pc.qq.com/qqbrowser/images/4.jpg") no-repeat scroll 0 0 transparent;display:block;height:134px;width:204px}.showcase .css4 a:hover{background-position:0 -134px;display:block;height:134px;width:204px}.showcase .css2{float:left;width:204px;margin-right:30px}.showcase .css3{float:left;width:204px;margin-right:30px}.showcase .css4{float:left;width:204px}.showcase strong{color:#005ea3;font-size:14px;line-height:24px}.memo{color:#6d8c9e;line-height:20px}.blue{color:#1088cd;line-height:20px}#how-to-install-overlay{DISPLAY:none;Z-INDEX:1000;RIGHT:0;BACKGROUND:#000 no-repeat 50% 50%;WIDTH:100%;POSITION:fixed;TOP:0;HEIGHT:100%;_position:absolute}#how-to-install-image{Z-INDEX:1001;RIGHT:0;VISIBILITY:hidden;POSITION:absolute;TOP:0}#how-to-install-close{Z-INDEX:1002;RIGHT:0;BACKGROUND:url(http://s.pc.qq.com/webime/assets/img/close.png?t=100824) no-repeat 0 0;VISIBILITY:hidden;WIDTH:30px;CURSOR:pointer;POSITION:absolute;TOP:0;HEIGHT:30px;_background:none;_filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://s.pc.qq.com/webime/assets/img/close.png?t=100824',sizingMethod='scale')}.panel{padding:25px;background:#fff;width:600px;height:450px}.memu{width:910px;height:41px;margin:0 auto;*margin-bottom:20px;_margin-bottom:0}.r_mid{margin-top:30px;padding-left:261px;float:left;width:649px;height:41px;background:url(http://s.pc.qq.com/pc/images/a8/45/a8456ef17fa65d3c7b5c931795cc949a.jpg) no-repeat;line-height:41px}.r_mid a{color:#6d8c9e;text-decoration:none}.r_mid LI{FLOAT:left;WIDTH:97px;LIST-STYLE-TYPE:none;padding-bottom:5px}.r_mid .wtfk{display:inline;background:url(http://pc1.gtimg.com/pc/images/05/fe/05fe544bc014530307c3966a7b1094ef.gif) no-repeat;float:left;margin:12px 0 0 10px;WIDTH:17px;LINE-HEIGHT:41px;HEIGHT:18px}.r_mid .cpbz{DISPLAY:inline;BACKGROUND:url(http://pc1.gtimg.com/pc/images/05/fe/05fe544bc014530307c3966a7b1094ef.gif) no-repeat -17px 0;FLOAT:left;MARGIN:12px 0 0 10px;WIDTH:16px;LINE-HEIGHT:41px;HEIGHT:18px}.r_mid .gfbk{DISPLAY:inline;BACKGROUND:url(http://pc1.gtimg.com/pc/images/05/fe/05fe544bc014530307c3966a7b1094ef.gif) no-repeat -33px 0;FLOAT:left;MARGIN:12px 0 0 10px;WIDTH:19px;LINE-HEIGHT:41px;HEIGHT:18px}.r_mid .cpls{DISPLAY:inline;BACKGROUND:url(http://pc1.gtimg.com/pc/images/05/fe/05fe544bc014530307c3966a7b1094ef.gif) no-repeat -52px 0;FLOAT:left;MARGIN:12px 0 0 10px;WIDTH:16px;LINE-HEIGHT:41px;HEIGHT:18px}.r_mid .r_title{PADDING-RIGHT:0;PADDING-LEFT:5px;FLOAT:left;PADDING-BOTTOM:0;LINE-HEIGHT:41px;PADDING-TOP:0}.c_title{padding-top:10px;margin:0 auto;width:950px;color:#21659a;line-height:25px}.c_title span{color:#333}.content_single{width:950px;margin:0 auto;background:#f9fafc}.l_t_mid_s{border-top:#c2d4de 1px solid;float:left;overflow:hidden;width:936px;height:6px;background:#f9fafc}.mid_single{float:left;border-right:#c2d4de 1px solid;border-left:#c2d4de 1px solid;width:948px;background:#f9fafc;padding-bottom:15px}.padder_single{display:inline-block;margin:0 20px}.border{float:left;width:100%}.l_b_mid_s{float:left;overflow:hidden;width:936px;border-bottom:#c2d4de 1px solid;height:6px;background:#f9fafc}.single_title{float:left;width:868px;line-height:23px;margin-top:15px;border-bottom:#e6e5e5 1px solid}.single_title h1{border-bottom:#69cbf1 4px solid;color:#000;float:left;font-size:14px;font-weight:bold}.hacker{clear:both;overflow:hidden;height:15px}.padder_single h4{color:#333;font-size:14px;font-weight:bold;width:862px}.whatisnew{padding-bottom:25px;list-style:decimal;padding-left:30px;line-height:23px;width:832px}.whatisnew li{font-size:14px}.s_t_zj{background:url(http://pc1.gtimg.com/pc/images/02/68/0268411b8fc54bf63cf4def6496137cb.gif) no-repeat;float:left;overflow:hidden;width:7px;height:7px}.l_t_mid{border-top:#c2d4de 1px solid;float:left;overflow:hidden;width:576px;height:6px}.s_t_yj{background:url(http://pc1.gtimg.com/pc/images/02/68/0268411b8fc54bf63cf4def6496137cb.gif) no-repeat -7px 0;float:left;overflow:hidden;width:7px;height:7px}.l_bottom{background:#f9fafc;float:left;width:100%}.s_b_zj{background:url(http://pc1.gtimg.com/pc/images/02/68/0268411b8fc54bf63cf4def6496137cb.gif) no-repeat -14px 0;float:left;overflow:hidden;width:7px;height:7px}.l_mid{float:left;border-right:#c2d4de 1px solid;border-left:#c2d4de 1px solid;width:588px;background:#f9fafc;padding-bottom:15px}.l_b_mid{float:left;overflow:hidden;width:576px;border-bottom:#c2d4de 1px solid;height:6px}.s_b_yj{background:url(http://pc1.gtimg.com/pc/images/02/68/0268411b8fc54bf63cf4def6496137cb.gif) no-repeat -21px 0;float:left;overflow:hidden;width:7px;height:7px}