.allMaterialGroups{height:470px;overflow:auto}.allMaterialGroups li{height:40px;line-height:40px;border-bottom:1px solid #c9c9c9;text-indent:15px}.allMaterialGroups li:hover{background-color:#cecece}.el-button--text{color:#000}.Material_management{height:100%;background-color:#fff;min-width:1600px;min-height:1100px}.Material_management .el-tabs{min-width:1400px}.Material_management .el-tabs__nav{margin-left:15px}.tp{width:100%;height:100%;padding:0 15px 15px 15px}.Material_management .input-with-select{width:300px;margin-left:200px}.Material_management .tp_ul1{width:calc(100% - 320px);display:inline-block}.Material_management .tp_ul1 li{float:left;width:200px;line-height:34px;text-align:center;cursor:pointer}.Material_management .Select{color:#08f;box-shadow:0 0 1px 1px #08f;border-radius:20px}.Material_management .nav_ul{height:880px}.Material_management .nav_ul li{width:300px;height:230px;float:left;margin-left:15px;margin-top:15px;position:relative}.Material_management .nav_ul li img{width:300px;height:168.75px}.Material_management .nav_ul li p{width:100%;text-align:center;font-weight:700;margin-top:15px;border-radius:5px}.select{border:1px solid #123456}.Material_management .nav_ul li:hover .cz{display:block}.Material_management .nav_ul .sibling{height:104px;width:72px;background:#fff;position:absolute;top:45px;right:10px;display:none}.Material_management .nav_ul .cz{display:none}.Material_management .nav_ul .cz:hover+.sibling,.Material_management .nav_ul .sibling:hover{display:block}.Material_management .sibling ul{width:100%;height:100%}.Material_management .sibling ul li{width:100%;text-align:center;height:26px;margin:0;font-size:12px;cursor:pointer;line-height:26px}.Material_management .sibling ul li:hover{background-color:#f2f2f2}