.form-section-title{padding-top:10px;font-size:16px;font-weight:600;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid #f0f0f0;position:relative}.form-section-title:after{content:"";position:absolute;left:0;bottom:-1px;width:40px;height:2px;background:#1890ff}