// =================================// ==============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);
