@mixin border-radius($radius) {
  -webkit-border-radius: $radius;
  -moz-border-radius: $radius;
  border-radius: $radius;
}

@mixin transition($transition) {
  -webkit-transition: $transition;
  -moz-transition: $transition;
  transition: $transition;
}

@mixin getColorAlpha($color, $opacity) {
  color: rgba($color, $opacity);
}

@mixin getBgColorAlpha($color, $opacity) {
  background-color: rgba($color, $opacity);
}

@mixin res($key, $map: $breakpoints) {
  // 循环断点Map，如果存在则返回
  @if map-has-key($map, $key) {
    @media only screen and #{inspect(map-get($map, $key))} {
      @content;
    }
  } @else {
    @warn "Undefeined points: `#{$map}`";
  }
}

@mixin scroll-bar {
  $--scrollbar-thumb-background: $clr-font-tips-color;
  $--scrollbar-track-background: $clr-divider-color;

  &::-webkit-scrollbar {
    z-index: 11;
    width: 6px;

    &:horizontal {
      height: 6px;
    }

    &-thumb {
      border-radius: 5px;
      width: 6px;
      background: $--scrollbar-thumb-background;
    }

    &-corner {
      background: $--scrollbar-track-background;
    }

    &-track {
      background: $--scrollbar-track-background;

      &-piece {
        background: $--scrollbar-track-background;
        width: 6px;
      }
    }
  }
}
/* BEM*/
@mixin b($block) {
  $B: $prefix+'-'+$block !global;

  .#{$B} {
    @content;
  }
}

@mixin e($element) {
  $E: $element !global;
  $selector: &;
  $currentSelector: "";
  @each $unit in $element {
    $currentSelector: #{$currentSelector + "." + $B + $element-separator + $unit + ","};
  }

  @if hitAllSpecialNestRule($selector) {
    @at-root {
      #{$selector} {
        #{$currentSelector} {
          @content;
        }
      }
    }
  } @else {
    @at-root {
      #{$currentSelector} {
        @content;
      }
    }
  }
}

@mixin m($modifier) {
  $selector: &;
  $currentSelector: "";
  @each $unit in $modifier {
    $currentSelector: #{$currentSelector + & + $modifier-separator + $unit + ","};
  }

  @at-root {
    #{$currentSelector} {
      @content;
    }
  }
}
@mixin when($state) {
  @at-root {
    &.#{$state-prefix + $state} {
      @content;
    }
  }
}

@mixin utils-clearfix {
  $selector: &;

  @at-root {
    #{$selector}::before,
    #{$selector}::after {
      display: table;
      content: "";
    }
    #{$selector}::after {
      clear: both
    }
  }
}