.material_title{font-size:20px;font-family:PingFang SC;font-weight:500;line-height:16px;color:#333}.material_desc{font-size:14px;font-weight:400;line-height:24px;margin-top:25px}.material_desc,.material_name{font-family:PingFang SC;color:#666}.material_name{font-size:18px;font-weight:500;margin-top:20px}.material_table{margin:20px 0}.material_btn{font-size:18px;line-height:14px;color:#1677ff}.material_tips{text-align:center;font-size:16px;line-height:28px;color:#727272}.active_menu_item{background:#f0f0f0;color:#1677ff}