a{text-decoration:none}body{background-color:#64afff}.header{background-color:#1c1c1c}.header .flex{padding:10px 30px;color:#fff;display:flex;justify-content:space-between;align-items:center}.header .flex .title{font-size:18px}.header .flex .right a{color:#fff}.main{width:1000px;height:100%;margin:0 auto;zoom:1}.kefu-btn{display:block;padding:10px 15px;background-color:#007bff;border-radius:10px}.help{margin-top:20px;display:flex;justify-content:space-between}.help .left{width:680px;background-color:#fff;border-radius:5px}.help .left .title{padding:10px;font-size:16px;border-bottom:1px solid #ddd;background-color:#ddd}.help .left .content{padding:10px}.help .left .content .tip{padding:10px 20px}.help .left .content .list{display:flex;flex-direction:column;margin:5px 30px;background-color:#ededed;padding:20px 20px 10px 20px;border-radius:10px}.help .left .content .list a{color:#21aa88;cursor:pointer;margin-bottom:10px}.help .left .content .result{margin-top:20px;padding:10px;background-color:#ededed}.help .left .content .result .title{background-color:#1ca506;color:#fff}.help .left .content .result .content{margin:10px;line-height:30px;padding-bottom:10px;color:#666}.help .left .content .result .content .item{display:none}.help .left .content .result .content h3{line-height:30px;font-size:18px;color:#333;font-weight:normal}.help .left .content .result .content p{line-height:30px;padding-bottom:10px;color:#666}.help .right{width:300px;background-color:#fff;border-radius:5px}.help .right .title{padding:10px;font-size:16px;border-bottom:1px solid #ddd;background-color:#ddd}.help .right .content{padding:10px}.help .right .content .div_con{line-height:24px;padding-top:15px;color:#666;font-size:14px}.kefu-box{text-align:center;padding:20px;display:flex;justify-content:center}.kefu-box a{color:#fff}