@mixin clearfix {
    &::after {
        content: "";
        display: table;
        clear: both;
    }
}
@mixin scrollBar {
    &::-webkit-scrollbar-track-piece {
        background: #d3dce6;
    }
    &::-webkit-scrollbar {
        width: 6px;
    }
    &::-webkit-scrollbar-thumb {
        background: #99a9bf;
        border-radius: 20px;
    }
}
@mixin relative {
    position: relative;
    width: 100%;
    height: 100%;
}
@mixin pct($pct) {
    width: #{$pct};
    position: relative;
    margin: 0 auto;
}
@mixin triangle($width, $height, $color, $direction) {
    $width: $width/2;
    $color-border-style: $height solid $color;
    $transparent-border-style: $width solid transparent;

    height: 0;
    width: 0;
    @if $direction==up {
        border-bottom: $color-border-style;
        border-left: $transparent-border-style;
        border-right: $transparent-border-style;
    }
    @else if $direction==right {
        border-left: $color-border-style;
        border-top: $transparent-border-style;
        border-bottom: $transparent-border-style;
    }
    @else if $direction==down {
        border-top: $color-border-style;
        border-left: $transparent-border-style;
        border-right: $transparent-border-style;
    }
    @else if $direction==left {
        border-right: $color-border-style;
        border-top: $transparent-border-style;
        border-bottom: $transparent-border-style;
    }
}
// @mixin 通过 @include 调用使用
// % 通过 @extend 调用使用
// 文字超出隐藏，默认为单行超出隐藏，可设置多行
@mixin text-overflow($line: 1, $fixed-width: true) {
    @if ($line==1 and $fixed-width==true) {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    @else {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: $line;
        overflow: hidden;
    }
}

// 定位居中，默认水平居中，可选择垂直居中，或者水平垂直都居中
@mixin position-center($type: x) {
    position: absolute;
    @if ($type==x) {
        left: 50%;
        transform: translateX(-50%);
    }
    @if ($type==y) {
        top: 50%;
        transform: translateY(-50%);
    }
    @if ($type==xy) {
        left: 50%;
        top: 50%;
        transform: translateX(-50%) translateY(-50%);
    }
}

// 文字两端对齐
%justify-align {
    text-align: justify;
    text-align-last: justify;
}

// 清除浮动
%clearfix {
    zoom: 1;
    &::before,
    &::after {
        content: '';
        display: block;
        clear: both;
    }
}