// ================================= // ==============屏幕断点============ // ================================= // Extra small screen / phone @screen-xs: 480px; @screen-xs-min: @screen-xs; // Small screen / tablet @screen-sm: 576px; @screen-sm-min: @screen-sm; // Medium screen / desktop @screen-md: 768px; @screen-md-min: @screen-md; // Large screen / wide desktop @screen-lg: 992px; @screen-lg-min: @screen-lg; // Extra large screen / full hd @screen-xl: 1200px; @screen-xl-min: @screen-xl; // Extra extra large screen / large desktop @screen-xxl: 1600px; @screen-xxl-min: @screen-xxl; // provide a maximum @screen-xs-max: (@screen-sm-min - 1px); @screen-sm-max: (@screen-md-min - 1px); @screen-md-max: (@screen-lg-min - 1px); @screen-lg-max: (@screen-xl-min - 1px); @screen-xl-max: (@screen-xxl-min - 1px);