// // 媒体查询最小阈值
// @mixin media-breakpoint-up($name, $breakpoints: $breakpoints) {
//   $min: breakpoint-min($name, $breakpoints);

//   @if $min {
//     @media (min-width: $min) {
//       @content;
//     }
//   } @else {
//     @content;
//   }
// }

// //媒体查询最大阈值
// @mixin media-breakpoint-down($name, $breakpoints: $breakpoints) {
//   $max: breakpoint-max($name, $breakpoints);

//   @if $max {
//     @media (max-width: $max) {
//       @content;
//     }
//   } @else {
//     @content;
//   }
// }

// //媒体查询中间阈值
// @mixin media-breakpoint-between($min, $max, $breakpoints: $breakpoints) {
//   $min: breakpoint-min($min, $breakpoints);
//   $max: breakpoint-max($max, $breakpoints);

//   @media (min-width: $min) and (max-width: $max) {
//     @content;
//   }
// }

// @mixin media-device($name, $devices: $devices) {
//   $n: map-get($devices, $name);

//   @media #{$n} {
//     @content;
//   }
// }