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.type_icon2{background-position:0 -104px}.help-center .type_icon3{background-position:0 -156px}.help-center .type_icon4{background-position:0 -208px}.help-center .resource{padding:0 0 10px 15px}.help-center .resource_pic{float:left;width:17%}.help-center .resource_detail{float:left;width:80%}.help-center .resource_detail a{font-size:14px;text-decoration:none;height:26px;line-height:26px;color:#00bfb4}.help-center .relative li a:hover,.help-center .resource_detail a:hover{text-decoration:underline}.help-center .resource_detail p{font-size:14px}.help-center .relative{border-top:1px solid #c4c4c4;margin-top:15px}.help-center .relative ul{list-style-type:square}.help-center .relative ul li{height:24px;line-height:24px}.help-center .relative ul li a{line-height:24px;color:#00bfb4}.help-center .main_con ol li,.help-center .main_con ul li{line-height:26px}.help-center .main_detail ol,.help-center .main_detail ol ul,.help-center .main_detail ul,.help-center .main_detail ul ol,.help-center 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