@mixin reset-font() {
    font-family: $font-family-base;
    font-size: $font-size-body-1;
    line-height: $font-lineheight-base;
}

// item尺寸
// ----------------------------------------

@mixin step-item-size(
    $height: auto,
    $width: auto,
    $margin-left: 0,
    $margin-right: 0
) {
    height: $height;
    line-height: $height;
    margin-left: $margin-left;
    margin-right: $margin-right;
}

// item状态
// ----------------------------------------

@mixin step-item-state(
    $shape: 'circle',
    $background: $color-white,
    $title-color: $color-black,
    $icon-color: $color-black,
    $tail-color: $color-black,
    $tail-bg-color: $color-text1-1,
    $icon-border-color: $color-black,
    $content-color: $color-black,
    $node-size: $s-8,
    $font-weight: $font-weight-2
) {
    #{$step-prefix}-item-tail {
        &-overlay {
            background: $tail-color;
        }

        &-underlay {
            background: $tail-bg-color;
        }
    }

    & > #{$step-prefix}-item-container {
        #{$step-prefix}-item-progress {
            width: $node-size;
            height: $node-size;
        }

        #{$step-prefix}-item-node {
            color: $icon-color;
        }

        #{$step-prefix}-item-node-circle {
            background: $background;
            border-color: $icon-border-color;
        }

        #{$step-prefix}-item-node-dot {
            background: $background;
            border-color: $icon-border-color;
        }
    }

    #{$step-prefix}-item-title {
        color: $title-color;
        word-break: break-word;
    }
    #{$step-prefix}-item-content {
        color: $title-color;
        font-size: $step-circle-item-content-font-size;
        word-break: break-word;
    }

    #{$step-prefix}-item-node-placeholder {
        width: $node-size;
        height: $node-size;
        position: relative;
    }

    #{$step-prefix}-item-node {
        position: relative;
        display: inline-block;
        text-align: center;
        cursor: pointer;
        &-circle {
            display: block;
            width: $node-size;
            height: $node-size;
            font-size: $step-circle-item-node-font-size;
            font-weight: $font-weight;
            line-height: $node-size - 2 * $step-circle-item-node-border-width;
            text-align: center;
            border: $step-circle-item-node-border-width solid;
            border-radius: $step-circle-item-node-corner;
            transition: background-color .2s ease, border-color .2s ease;
            #{$step-icon-prefix} {
                @include icon-size($step-circle-item-node-icon-size);
                animation: zoomIn .2s linear;
            }
        }
    }
    #{$step-prefix}-item-node-dot {
        position: absolute;
        top: 50%;
        margin-top: -$node-size/2;
        left: 50%;
        margin-left: -$node-size/2;
        display: block;
        width: $node-size;
        height: $node-size;
        border: $step-dot-item-dot-border-width solid;
        border-radius: $step-dot-item-dot-corner;
        transition: background-color .3s ease, border-color .3s ease;
    }

    @if ($shape == 'arrow') {
        background: $background;

        &:before {
            border: $step-arrow-item-border-width solid $background;
            border-left-color: transparent;
        }

        &:after {
            border-left-color: $background;
        }
    }
}

// 针对不同size的节点进行样式调整

@mixin state-node-size($type: 'hor', $shape: 'circle', $node-size: $s-8) {
    @if ($type == 'hor') {
        @if ($shape == 'circle') {
            #{$step-prefix}-item-tail {
                display: inline-block;
                clear: both;
                width: calc(100% - #{$node-size + 2 * $step-circle-item-node-padding});
                vertical-align: middle;
                #{$step-prefix}-item-tail-underlay {
                    display: block;
                    height: $step-circle-item-tail-size;
                    position: relative;
                }
                #{$step-prefix}-item-tail-overlay {
                    position: absolute;
                    top: 0;
                    height: $step-circle-item-tail-size;
                    transition: all .4s ease;
                    width: 100%;
                }
            }
            & > #{$step-prefix}-item-node {
                padding: 0 $step-circle-item-node-padding;
                width: $node-size + $step-circle-item-node-padding * 2;
                height: $node-size;
            }
            & > #{$step-prefix}-item-body {
                width: $step-circle-item-body-width;
                left: - ($step-circle-item-body-width - $node-size - $step-circle-item-node-padding * 2) / 2;
                text-align: center;
                position: absolute;
                & > #{$step-prefix}-item-title {
                    font-size: $step-circle-item-title-size;
                    line-height: $step-circle-item-title-size + 4;
                    margin-top: $step-circle-item-title-margin-top;
                    font-weight: $step-circle-item-title-weight;
                }
                & > #{$step-prefix}-item-content {
                    margin-top: $step-circle-item-content-margin-top;
                }
            }
        }
        @if ($shape == 'dot') {
            #{$step-prefix}-item-tail {
                display: inline-block;
                clear: both;
                width: calc(100% - #{$node-size + 2 * $step-dot-item-dot-padding});
                vertical-align: middle;
                #{$step-prefix}-item-tail-underlay {
                    display: block;
                    height: $step-dot-item-tail-size;
                    position: relative;
                }
                #{$step-prefix}-item-tail-overlay {
                    position: absolute;
                    top: 0;
                    height: $step-dot-item-tail-size;
                    transition: all .4s ease;
                    width: 100%;
                }
            }
            & > #{$step-prefix}-item-node {
                padding: 0 $step-dot-item-dot-padding;
                width: $node-size + $step-dot-item-dot-padding * 2;
                height: $node-size;
            }
            & > #{$step-prefix}-item-body {
                width: $step-dot-item-body-width;
                left: - ($step-dot-item-body-width - $node-size - $step-dot-item-dot-padding * 2) / 2;
                text-align: center;
                position: absolute;
                & > #{$step-prefix}-item-title {
                    font-size: $step-dot-item-title-size;
                    line-height: $step-dot-item-title-size + 4;
                    margin-top: $step-dot-item-title-margin-top;
                    font-weight: $step-dot-item-title-weight;
                }
                & > #{$step-prefix}-item-content {
                    margin-top: $step-dot-item-content-margin-top;
                }
            }
        }
    }

    @if ($type == 'ver') {
        @if ($shape == 'circle') {
            #{$step-prefix}-item-tail {
                width: $step-circle-item-tail-size;
                height: 0;
                margin: $step-circle-item-node-padding auto;
                #{$step-prefix}-item-tail-underlay {
                    height: 100%;
                    width: $step-circle-vertical-item-tail-size;
                    position: relative;
                }
                #{$step-prefix}-item-tail-overlay {
                    position: absolute;
                    top: 0;
                    height: 100%;
                    width: $step-circle-vertical-item-tail-size;
                }
            }
            & > #{$step-prefix}-item-node {
                padding: $step-circle-item-node-padding 0;
                width: $node-size;
                height: $node-size+$step-circle-item-node-padding * 2;
            }
            & > #{$step-prefix}-item-body {
                position: absolute;
                top: 0;
                left: $node-size / 2;
                margin-left: $step-circle-item-node-padding;
                // margin-left: $step-circle-vertical-item-body-margin-left + $node-size;
                & > #{$step-prefix}-item-title {
                    margin-top: $step-circle-vertical-item-title-margin-top;
                    text-align: left;
                    font-weight: $step-circle-item-title-weight;
                    @include reset-font;
                }
                & > #{$step-prefix}-item-content {
                    margin-top: $step-circle-vertical-item-content-margin-top;
                    min-height: $s-2;
                    text-align: left;
                    font-size: $step-circle-item-content-font-size;
                    line-height: $step-circle-item-content-font-size + 4;
                    // color: $step-circle-item-content-color;
                }
            }
        }

        @if ($shape == 'dot') {
            #{$step-prefix}-item-tail {
                width: $step-dot-item-tail-size;
                height: 0;
                margin: $step-dot-item-dot-padding auto;
                #{$step-prefix}-item-tail-underlay {
                    height: 100%;
                    width: $step-dot-vertical-item-tail-size;
                    position: relative;
                }
                #{$step-prefix}-item-tail-overlay {
                    position: absolute;
                    top: 0;
                    height: 100%;
                    width: $step-dot-vertical-item-tail-size;
                }
            }
            & > #{$step-prefix}-item-node {
                padding: $step-dot-item-dot-padding 0;
                width: $node-size;
                height: $node-size+$step-dot-item-dot-padding * 2;
            }
            & > #{$step-prefix}-item-body {
                position: absolute;
                top: 0;
                left: $node-size / 2;
                margin-left: $step-dot-item-dot-padding;
                & > #{$step-prefix}-item-title {
                    margin-top: $step-dot-vertical-item-title-margin-top;
                    font-weight: $step-dot-item-title-weight;
                    text-align: left;
                    @include reset-font;
                }
                & > #{$step-prefix}-item-content {
                    margin-top: $step-dot-vertical-item-content-margin-top;
                    min-height: $s-2;
                    text-align: left;
                    font-size: $step-dot-item-content-font-size;
                    line-height: $step-dot-item-content-font-size + 4;
                    // color: $step-dot-item-content-color;
                }
            }
        }
    }
}

@mixin label-placement($node-size: $s-8) {
    // 横向布局支持content
    #{$step-prefix}-item:last-child {
        #{$step-prefix}-item-tail {
            display: none;
        }
    }
    #{$step-prefix}-item-body {
        position: relative;
        display: inline-block;
        top: 0;
        left: 0;
        max-width: $step-circle-item-body-width;
        overflow: hidden;
        vertical-align: top;
        text-align: left;
        #{$step-prefix}-item-title {
            display: inline-block;
            padding-right: $step-circle-item-node-padding;
            margin-top: $node-size / 2 - $step-circle-item-title-size / 2;
        }
    }
    #{$step-prefix}-item-tail {
        width: calc(100% - #{($node-size + 2 * $step-circle-item-node-padding + $step-circle-item-body-width)});
        position: absolute;
        right: 0;
        margin-top: -$step-circle-vertical-item-tail-size;
    }
}