// ================================= // ==============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-2xl: 1600px; $screen-2xl-min: $screen-2xl; $screen-xs-max: ($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-2xl-min - 1px);