.p_text,.qikan_text{font-size:18px;text-align:justify}.qikan_text{font-style:italic}.img_c{text-align:center}.content{background-color:#fff}.content div{font-size:18px;padding:20px}.navs{position:fixed;top:130px;left:5px;background-color:#efefef;cursor:pointer}.help_button{width:40px;height:40px;border:none;background-color:#f5f7f9;color:#000;font-size:16px}.container li{padding:0 0;line-height:1.6;font-size:16px}.container li a{color:#000}.container li a:active{color:red}.container{width:250px;position:fixed;background-color:#f5f7f9;cursor:pointer;list-style-type:none}