/* @name: 转为REM单位fn
 * @ps: 默认宽度为750px
 */
@function toRem($px , $width: 750px) {
	// 动态尺寸单位
	$ppr: $width / 16 / 1rem;
	@return ($px / $ppr);
}

/* @name: 上下左右居中 (未知高度)
 * @ps: 需要设置父元素 display:table
 */
@mixin centers{
	display:table-cell;
	vertical-align:middle;
}

/* @name: 上下左右居中 （确定高度）*/
@mixin centersHight{
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
}

/*
 * @name: 文字溢出显示省略号
 * @ps: 需要设置宽度
 */
@mixin ellipsis{
    white-space: nowrap;
    word-wrap: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
}

/* @name: 强制不换行 */
@mixin nowrap{
    white-space: nowrap;
    word-wrap: normal;
    word-break: keep-all;
}

/* @name: 清除浮动 */
@mixin clearFix{
	overflow: hidden;
	clear: both;
}

/*
 * @name:  三角形
 * @param: $size  大小
 * @param: $color 颜色
 * @param: $type {string}  类型 (up || down || left || right || topleft || topright || bottomleft || bottomright)
 */
 @mixin triangle(
    $size: 50px,
    $type: up,
    $color: #6699FF
 ){
    width: 0;
    height: 0;
    @if $type == up {
        border-left: $size/2 solid transparent;
        border-right: $size/2 solid transparent;
        border-bottom: $size solid $color;
    }@else if $type == down {
        border-left: $size/2 solid transparent;
        border-right: $size/2 solid transparent;
        border-top: $size solid $color;
    }@else if $type == left {
        border-top: $size/2 solid transparent;
        border-right: $size/2 solid $color;
        border-bottom: $size solid transparent;
    }@else if $type == right {
        border-top: $size/2 solid transparent;
        border-left: $size/2 solid $color;
        border-bottom: $size solid transparent;
    }@else if $type == topleft {
        border-top: $size solid $color;
        border-right: $size solid transparent;
    }@else if $type == topright {
        border-top: $size solid $color;
        border-left: $size solid transparent;
    }@else if $type == bottomleft {
        border-bottom: $size solid $color;
        border-right: $size solid transparent;
    }@else if $type == bottomright {
        border-bottom: $size solid $color;
        border-left: $size solid transparent;
    }
 }