.management_left_cover{float:right;max-width:900px}.management_right_cover{float:left;max-width:900px}.management-block:nth-child(2n) .management_left{background-color:#0f1631}.management-block:nth-child(2n) .management_right{background-color:#fff}.management-block:nth-child(2n) .management_right_content,.management-block:nth-child(2n) .management_right_content h5{color:#000}.management-block:nth-child(2n) .management_left_content,.management-block:nth-child(2n) .management_left_content h5{color:#fff}.management_left_content ul{margin-top:20px}.management_right_content ol{margin-top:20px;padding-left:20px}.management-block:last-child .management_right{background-color:#0f1631}