@charset "UTF-8";
/*
 * Project: Heti homepage
 * URL: https://github.com/sivan/heti
 * Author: Sivan [sun.sivan@gmail.com]
 */
/* normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
/* Document
   ========================================================================== */
/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */
html {
    line-height: 1.15; /* 1 */
    -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */
/**
 * Remove the margin in all browsers.
 */
body {
    margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */
main {
    display: block;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */
h1 {
    font-size: 2em;
    margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */
/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
    box-sizing: content-box; /* 1 */
    height: 0; /* 1 */
    overflow: visible; /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
pre {
    font-family: monospace, monospace; /* 1 */
    font-size: 1em; /* 2 */
}

/* Text-level semantics
   ========================================================================== */
/**
 * Remove the gray background on active links in IE 10.
 */
a {
    background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
    border-bottom: none; /* 1 */
    text-decoration: underline; /* 2 */
    text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
    font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp {
    font-family: monospace, monospace; /* 1 */
    font-size: 1em; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */
small {
    font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */
sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sub {
    bottom: -0.25em;
}

sup {
    top: -0.5em;
}

/* Embedded content
   ========================================================================== */
/**
 * Remove the border on images inside links in IE 10.
 */
img {
    border-style: none;
}

/* Forms
   ========================================================================== */
/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */
button,
input,
optgroup,
select,
textarea {
    font-family: inherit; /* 1 */
    font-size: 100%; /* 1 */
    line-height: 1.15; /* 1 */
    margin: 0; /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */
button,
input { /* 1 */
    overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */
button,
select { /* 1 */
    text-transform: none;
}

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */
button,
[type=button],
[type=reset],
[type=submit] {
    -webkit-appearance: button;
}

/**
 * Remove the inner border and padding in Firefox.
 */
button::-moz-focus-inner,
[type=button]::-moz-focus-inner,
[type=reset]::-moz-focus-inner,
[type=submit]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}

/**
 * Restore the focus styles unset by the previous rule.
 */
button:-moz-focusring,
[type=button]:-moz-focusring,
[type=reset]:-moz-focusring,
[type=submit]:-moz-focusring {
    outline: 1px dotted ButtonText;
}

/**
 * Correct the padding in Firefox.
 */
fieldset {
    padding: 0.35em 0.75em 0.625em;
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */
legend {
    box-sizing: border-box; /* 1 */
    color: inherit; /* 2 */
    display: table; /* 1 */
    max-width: 100%; /* 1 */
    padding: 0; /* 3 */
    white-space: normal; /* 1 */
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
    vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */
textarea {
    overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */
[type=checkbox],
[type=radio] {
    box-sizing: border-box; /* 1 */
    padding: 0; /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
    height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */
[type=search] {
    -webkit-appearance: textfield; /* 1 */
    outline-offset: -2px; /* 2 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */
[type=search]::-webkit-search-decoration {
    -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */
::-webkit-file-upload-button {
    -webkit-appearance: button; /* 1 */
    font: inherit; /* 2 */
}

/* Interactive
   ========================================================================== */
/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */
details {
    display: block;
}

/*
 * Add the correct display in all browsers.
 */
summary {
    display: list-item;
}

/* Misc
   ========================================================================== */
/**
 * Add the correct display in IE 10+.
 */
template {
    display: none;
}

/**
 * Add the correct display in IE 10.
 */
[hidden] {
    display: none;
}

/* 简单模拟 css reset */
* {
    margin: 0;
    padding: 0;
}

ul,
ol {
    list-style: none;
}

/* 模拟不知道哪里流传出来的垃圾代码 */
ul,
li {
    list-style: none;
}

.container[data-bg-grid=grid-12] {
    background-size: 100% 12px;
    background-image: linear-gradient(transparent 11px, hsl(0deg, 0%, 93%) 1px), linear-gradient(to left, transparent 12px, hsl(0deg, 0%, 93%), transparent 13px), linear-gradient(to right, transparent 12px, hsl(0deg, 0%, 93%), transparent 13px);
}

.container[data-bg-grid=grid-12] .heti--vertical {
    outline: 1px solid hsl(0deg, 0%, 93%);
    background-size: 12px 100%;
    background-image: linear-gradient(to left, transparent 11px, hsl(0deg, 0%, 93%) 1px);
}

.container[data-bg-grid=grid-24] {
    background-size: 100% 24px;
    background-image: linear-gradient(transparent 23px, hsl(0deg, 0%, 93%) 1px), linear-gradient(to left, transparent 12px, hsl(0deg, 0%, 93%), transparent 13px), linear-gradient(to right, transparent 12px, hsl(0deg, 0%, 93%), transparent 13px);
}

.container[data-bg-grid=grid-24] .heti--vertical {
    outline: 1px solid hsl(0deg, 0%, 93%);
    background-size: 24px 100%;
    background-image: linear-gradient(to left, transparent 23px, hsl(0deg, 0%, 93%) 1px);
}

[data-darkmode=dark] .container[data-bg-grid=grid-12] {
    background-image: linear-gradient(transparent 11px, hsl(0deg, 0%, 20%) 1px), linear-gradient(to left, transparent 12px, hsl(0deg, 0%, 20%), transparent 13px), linear-gradient(to right, transparent 12px, hsl(0deg, 0%, 20%), transparent 13px);
}

[data-darkmode=dark] .container[data-bg-grid=grid-12] .heti--vertical {
    background-size: 12px 100%;
    background-image: linear-gradient(to left, transparent 11px, hsl(0deg, 0%, 20%) 1px);
}

[data-darkmode=dark] .container[data-bg-grid=grid-24] {
    background-image: linear-gradient(transparent 23px, hsl(0deg, 0%, 20%) 1px), linear-gradient(to left, transparent 12px, hsl(0deg, 0%, 20%), transparent 13px), linear-gradient(to right, transparent 12px, hsl(0deg, 0%, 20%), transparent 13px);
}

[data-darkmode=dark] .container[data-bg-grid=grid-24] .heti--vertical {
    background-size: 24px 100%;
    background-image: linear-gradient(to left, transparent 23px, hsl(0deg, 0%, 20%) 1px);
}

@media (prefers-color-scheme: dark) {
    [data-darkmode=auto] .container[data-bg-grid=grid-12] {
        background-image: linear-gradient(transparent 11px, hsl(0deg, 0%, 20%) 1px), linear-gradient(to left, transparent 12px, hsl(0deg, 0%, 20%), transparent 13px), linear-gradient(to right, transparent 12px, hsl(0deg, 0%, 20%), transparent 13px);
    }

    [data-darkmode=auto] .container[data-bg-grid=grid-12] .heti--vertical {
        background-size: 12px 100%;
        background-image: linear-gradient(to left, transparent 11px, hsl(0deg, 0%, 20%) 1px);
    }

    [data-darkmode=auto] .container[data-bg-grid=grid-24] {
        background-image: linear-gradient(transparent 23px, hsl(0deg, 0%, 20%) 1px), linear-gradient(to left, transparent 12px, hsl(0deg, 0%, 20%), transparent 13px), linear-gradient(to right, transparent 12px, hsl(0deg, 0%, 20%), transparent 13px);
    }

    [data-darkmode=auto] .container[data-bg-grid=grid-24] .heti--vertical {
        background-size: 24px 100%;
        background-image: linear-gradient(to left, transparent 23px, hsl(0deg, 0%, 20%) 1px);
    }
}

@media screen and (min-width: 640px) {
    .container[data-bg-grid=grid-12] {
        background-image: linear-gradient(transparent 11px, hsl(0deg, 0%, 93%) 1px), linear-gradient(to left, transparent 48px, hsl(0deg, 0%, 93%), transparent 49px), linear-gradient(to right, transparent 48px, hsla(0deg, 100%, 50%, 0.4), transparent 49px);
    }

    .container[data-bg-grid=grid-24] {
        background-image: linear-gradient(transparent 23px, hsl(0deg, 0%, 93%) 1px), linear-gradient(to left, transparent 48px, hsl(0deg, 0%, 93%), transparent 49px), linear-gradient(to right, transparent 48px, hsla(0deg, 100%, 50%, 0.4), transparent 49px);
    }

    [data-darkmode=dark] .container[data-bg-grid=grid-12] {
        background-image: linear-gradient(transparent 11px, hsl(0deg, 0%, 20%) 1px), linear-gradient(to left, transparent 48px, hsl(0deg, 0%, 20%), transparent 49px), linear-gradient(to right, transparent 48px, hsla(0deg, 100%, 65%, 0.4), transparent 49px);
    }

    [data-darkmode=dark] .container[data-bg-grid=grid-24] {
        background-image: linear-gradient(transparent 23px, hsl(0deg, 0%, 20%) 1px), linear-gradient(to left, transparent 48px, hsl(0deg, 0%, 20%), transparent 49px), linear-gradient(to right, transparent 48px, hsla(0deg, 100%, 65%, 0.4), transparent 49px);
    }
}

@media screen and (min-width: 640px) and (prefers-color-scheme: dark) {
    [data-darkmode=auto] .container[data-bg-grid=grid-12] {
        background-image: linear-gradient(transparent 11px, hsl(0deg, 0%, 20%) 1px), linear-gradient(to left, transparent 48px, hsl(0deg, 0%, 20%), transparent 49px), linear-gradient(to right, transparent 48px, hsla(0deg, 100%, 65%, 0.4), transparent 49px);
    }

    [data-darkmode=auto] .container[data-bg-grid=grid-24] {
        background-image: linear-gradient(transparent 23px, hsl(0deg, 0%, 20%) 1px), linear-gradient(to left, transparent 48px, hsl(0deg, 0%, 20%), transparent 49px), linear-gradient(to right, transparent 48px, hsla(0deg, 100%, 65%, 0.4), transparent 49px);
    }
}

.panel-list {
    display: inline-flex;
    margin: 0;
    padding: 0;
    list-style-type: none;
    --bg-color: hsl(240, 100%, 100%);
    --bg-tap-color: hsl(300, 3%, 94%);
    --border-color: hsla(0, 0%, 76%, 0.88);
    --border-inline-start-color: hsl(0, 0%, 76%);
    --border-inline-end-color: hsl(0, 0%, 76%);
    --border-block-start-color: hsl(0, 0%, 79%);
    --border-block-end-color: hsl(0, 0%, 65%);
    --text-color: hsl(60, 1%, 16%);
    --box-shadow-color: hsla(0, 0%, 86%, 0.54);
    --bg-highlight-color-start: hsl(216, 87%, 70%);
    --bg-highlight-color-end: hsl(215, 93%, 52%);
    --bg-highlight-tap-color-start: hsl(216, 92%, 65%);
    --bg-highlight-tap-color-end: hsl(215, 95%, 44%);
    --border-highlight-color: hsla(216, 90%, 57%, 0.88);
    --border-highlight-tap-color: hsla(216, 85%, 52%, 0.88);
    --border-inline-start-highlight-color: hsl(216, 90%, 57%);
    --border-inline-end-highlight-color: hsl(216, 90%, 57%);
    --border-inline-start-highlight-tap-color: hsl(216, 85%, 52%);
    --border-inline-end-highlight-tap-color: hsl(216, 85%, 52%);
    --border-block-start-highlight-color: hsl(216, 87%, 63%);
    --border-block-end-highlight-color: hsl(215, 99%, 49%);
    --border-block-start-highlight-tap-color: hsl(216, 93%, 57%);
    --border-block-end-highlight-tap-color: hsl(216, 100%, 42%);
    --text-highlight-color: hsl(0, 0%, 100%);
}

.panel-list--gray {
    --bg-color: hsl(180, 100%, 100%);
    --bg-tap-color: hsl(0, 0%, 94%);
    --border-color: hsla(0, 0%, 72%, 0.88);
    --border-inline-start-color: hsl(0, 0%, 76%);
    --border-inline-end-color: hsl(0, 0%, 76%);
    --border-block-start-color: hsl(0, 0%, 79%);
    --border-block-end-color: hsl(0, 0%, 65%);
    --text-color: hsl(0, 0%, 16%);
    --box-shadow-color: hsla(0, 0%, 86%, 0.54);
    --bg-highlight-color-start: hsl(225, 3%, 70%);
    --bg-highlight-color-end: hsl(228, 2%, 58%);
    --bg-highlight-tap-color-start: hsl(228, 2%, 58%);
    --bg-highlight-tap-color-end: hsl(240, 3%, 35%);
    --border-highlight-color: hsla(225, 2%, 64%, 0.88);
    --border-highlight-tap-color: hsla(228, 2%, 47%, 0.88);
    --border-inline-start-highlight-color: hsl(240, 3%, 59%);
    --border-inline-end-highlight-color: hsl(228, 2%, 54%);
    --border-inline-start-highlight-tap-color: hsl(240, 3%, 39%);
    --border-inline-end-highlight-tap-color: hsl(228, 3%, 39%);
    --border-block-start-highlight-color: hsl(240, 3%, 66%);
    --border-block-end-highlight-color: hsl(228, 2%, 50%);
    --border-block-start-highlight-tap-color: hsl(228, 2%, 51%);
    --border-block-end-highlight-tap-color: hsl(228, 4%, 26%);
    --text-highlight-color: hsl(0, 0%, 92%);
}

[data-darkmode=dark] .panel-list {
    --bg-color: hsl(225, 2%, 40%);
    --bg-tap-color: hsl(210, 2%, 49%);
    --border-color: hsla(210, 2%, 33%, 0.88);
    --border-inline-start-color: hsl(210, 2%, 33%);
    --border-inline-end-color: hsl(210, 2%, 33%);
    --border-block-start-color: hsl(225, 2%, 45%);
    --border-block-end-color: hsl(210, 2%, 40%);
    --text-color: hsl(0, 0%, 91%);
    --box-shadow-color: hsla(225, 4%, 21%, 0.54);
    --bg-highlight-color-start: hsl(216, 77%, 49%);
    --bg-highlight-color-end: hsl(216, 76%, 45%);
    --bg-highlight-tap-color-start: hsl(214, 83%, 55%);
    --bg-highlight-tap-color-end: hsl(215, 74%, 51%);
    --border-highlight-color: hsla(215, 77%, 47%, 0.88);
    --border-highlight-tap-color: hsla(215, 79%, 54%, 0.88);
    --border-inline-start-highlight-color: hsl(215, 77%, 47%);
    --border-inline-end-highlight-color: hsl(215, 77%, 47%);
    --border-inline-start-highlight-tap-color: hsl(215, 79%, 54%);
    --border-inline-end-highlight-tap-color: hsl(215, 79%, 54%);
    --border-block-start-highlight-color: hsl(216, 76%, 55%);
    --border-block-end-highlight-color: hsl(216, 76%, 44%);
    --border-block-start-highlight-tap-color: hsl(215, 84%, 60%);
    --border-block-end-highlight-tap-color: hsl(215, 74%, 51%);
    --text-highlight-color: hsl(0, 0%, 100%);
}

[data-darkmode=dark] .panel-list--gray {
    --bg-color: hsl(0, 0%, 40%);
    --bg-tap-color: hsl(0, 0%, 49%);
    --border-color: hsla(120, 1%, 34%, 0.88);
    --border-inline-start-color: hsl(0, 0%, 40%);
    --border-inline-end-color: hsl(360, 0%, 40%);
    --border-block-start-color: hsl(0, 0%, 46%);
    --border-block-end-color: hsl(120, 0%, 40%);
    --text-color: hsl(0, 0%, 91%);
    --box-shadow-color: hsla(0, 0%, 17%, 0.54);
    --bg-highlight-color-start: hsl(0, 0%, 60%);
    --bg-highlight-color-end: hsl(0, 0%, 60%);
    --bg-highlight-tap-color-start: hsl(0, 0%, 69%);
    --bg-highlight-tap-color-end: hsl(0, 0%, 69%);
    --border-highlight-color: hsla(0, 0%, 60%, 0.88);
    --border-highlight-tap-color: hsla(0, 0%, 69%, 0.88);
    --border-inline-start-highlight-color: hsl(0, 0%, 60%);
    --border-inline-end-highlight-color: hsl(0, 0%, 60%);
    --border-inline-start-highlight-tap-color: hsl(0, 0%, 69%);
    --border-inline-end-highlight-tap-color: hsl(0, 0%, 69%);
    --border-block-start-highlight-color: hsl(0, 0%, 64%);
    --border-block-end-highlight-color: hsl(0, 0%, 60%);
    --border-block-start-highlight-tap-color: hsl(0, 0%, 73%);
    --border-block-end-highlight-tap-color: hsl(0, 0%, 69%);
    --text-highlight-color: hsl(0, 0%, 15%);
}

@media (prefers-color-scheme: dark) {
    [data-darkmode=auto] .panel-list {
        --bg-color: hsl(225, 2%, 40%);
        --bg-tap-color: hsl(210, 2%, 49%);
        --border-color: hsla(210, 2%, 33%, 0.88);
        --border-inline-start-color: hsl(210, 2%, 33%);
        --border-inline-end-color: hsl(210, 2%, 33%);
        --border-block-start-color: hsl(225, 2%, 45%);
        --border-block-end-color: hsl(210, 2%, 40%);
        --text-color: hsl(0, 0%, 91%);
        --box-shadow-color: hsla(225, 4%, 21%, 0.54);
        --bg-highlight-color-start: hsl(216, 77%, 49%);
        --bg-highlight-color-end: hsl(216, 76%, 45%);
        --bg-highlight-tap-color-start: hsl(214, 83%, 55%);
        --bg-highlight-tap-color-end: hsl(215, 74%, 51%);
        --border-highlight-color: hsla(215, 77%, 47%, 0.88);
        --border-highlight-tap-color: hsla(215, 79%, 54%, 0.88);
        --border-inline-start-highlight-color: hsl(215, 77%, 47%);
        --border-inline-end-highlight-color: hsl(215, 77%, 47%);
        --border-inline-start-highlight-tap-color: hsl(215, 79%, 54%);
        --border-inline-end-highlight-tap-color: hsl(215, 79%, 54%);
        --border-block-start-highlight-color: hsl(216, 76%, 55%);
        --border-block-end-highlight-color: hsl(216, 76%, 44%);
        --border-block-start-highlight-tap-color: hsl(215, 84%, 60%);
        --border-block-end-highlight-tap-color: hsl(215, 74%, 51%);
        --text-highlight-color: hsl(0, 0%, 100%);
    }

    [data-darkmode=auto] .panel-list--gray {
        --bg-color: hsl(0, 0%, 40%);
        --bg-tap-color: hsl(0, 0%, 49%);
        --border-color: hsla(120, 1%, 34%, 0.88);
        --border-inline-start-color: hsl(0, 0%, 40%);
        --border-inline-end-color: hsl(360, 0%, 40%);
        --border-block-start-color: hsl(0, 0%, 46%);
        --border-block-end-color: hsl(120, 0%, 40%);
        --text-color: hsl(0, 0%, 91%);
        --box-shadow-color: hsla(0, 0%, 17%, 0.54);
        --bg-highlight-color-start: hsl(0, 0%, 60%);
        --bg-highlight-color-end: hsl(0, 0%, 60%);
        --bg-highlight-tap-color-start: hsl(0, 0%, 69%);
        --bg-highlight-tap-color-end: hsl(0, 0%, 69%);
        --border-highlight-color: hsla(0, 0%, 60%, 0.88);
        --border-highlight-tap-color: hsla(0, 0%, 69%, 0.88);
        --border-inline-start-highlight-color: hsl(0, 0%, 60%);
        --border-inline-end-highlight-color: hsl(0, 0%, 60%);
        --border-inline-start-highlight-tap-color: hsl(0, 0%, 69%);
        --border-inline-end-highlight-tap-color: hsl(0, 0%, 69%);
        --border-block-start-highlight-color: hsl(0, 0%, 64%);
        --border-block-end-highlight-color: hsl(0, 0%, 60%);
        --border-block-start-highlight-tap-color: hsl(0, 0%, 73%);
        --border-block-end-highlight-tap-color: hsl(0, 0%, 69%);
        --text-highlight-color: hsl(0, 0%, 15%);
    }
}

.panel-list + .panel-list {
    margin-inline-start: 12px;
}

.panel-list label {
    position: relative;
    display: block;
    box-sizing: border-box;
    height: 20px;
    padding: 0;
    padding-inline-start: 12px;
    padding-inline-end: 12px;
    border: 1px solid;
    font-size: 12px;
    line-height: 18px;
    text-align: center;
    user-select: none;
    background-color: var(--bg-color);
    border-color: var(--border-color);
    border-block-start-color: var(--border-block-start-color);
    border-block-end-color: var(--border-block-end-color);
    color: var(--text-color);
    box-shadow: 0 1px 0 var(--box-shadow-color);
}

.panel-list label:active {
    background-color: var(--bg-tap-color);
}

.panel-list li {
    margin-inline-end: -1px;
}

.panel-list li:first-child label {
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
    border-inline-start-color: var(--border-inline-start-color);
}

.panel-list li:last-child label {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
    border-inline-end-color: var(--border-inline-end-color);
}

.panel-list input {
    display: none;
}

.panel-list input:checked + label {
    z-index: 1;
    background-image: linear-gradient(to bottom, var(--bg-highlight-color-start), var(--bg-highlight-color-end));
    border-color: var(--border-highlight-color);
    border-block-start-color: var(--border-block-start-highlight-color);
    border-block-end-color: var(--border-block-end-highlight-color);
    color: var(--text-highlight-color);
}

.panel-list input:checked + label:active {
    background-image: linear-gradient(to bottom, var(--bg-highlight-tap-color-start), var(--bg-highlight-tap-color-end));
    border-color: var(--border-highlight-tap-color);
    border-block-start-color: var(--border-block-start-highlight-tap-color);
    border-block-end-color: var(--border-block-end-highlight-tap-color);
}

.panel-list--icon label {
    width: 30px;
    padding-inline-start: 8px;
    padding-inline-end: 8px;
}

.anchor {
    margin-inline-start: 0.25em;
}

@media screen and (min-width: 640px) {
    .article .anchor {
        position: absolute;
        left: -1em;
        width: 1em;
        margin-inline-start: 0;
        font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
        font-weight: 400;
        line-height: inherit;
        text-align: center;
        opacity: 0;
        transition: opacity 0.2s linear;
    }

    .article .anchor:hover {
        text-decoration: none;
        border: 0;
    }

    .article h1,
    .article h2,
    .article h3,
    .article h4,
    .article h5,
    .article h6 {
        position: relative;
    }

    .article h1:hover .anchor,
    .article h2:hover .anchor,
    .article h3:hover .anchor,
    .article h4:hover .anchor,
    .article h5:hover .anchor,
    .article h6:hover .anchor {
        opacity: 1;
    }
}

.card {
    position: relative;
    left: -12px;
    width: 100%;
    margin-block-start: 24px;
    margin-block-end: 48px;
    padding-block-start: 12px;
    padding-block-end: 12px;
    padding-inline-start: 12px;
    padding-inline-end: 12px;
    border-radius: 2px;
    box-shadow: 0 4px 16px hsla(0deg, 0%, 0%, 0.16);
    background-color: hsl(0deg, 0%, 100%);
}

.article .card {
    text-align: left;
}

.card > figcaption {
    display: inline-block;
    margin-block-start: 16px;
    padding-block-start: 4px;
    padding-block-end: 3px;
    padding-inline-start: 0;
    padding-inline-end: 72px;
    line-height: 24px;
    border-block-start: 1px solid hsl(0deg, 0%, 93%);
}

.card__vertical-container {
    box-sizing: border-box;
    width: 100%;
    height: 30em;
    border: 1px solid hsl(0deg, 0%, 93%);
    overflow: auto;
    writing-mode: vertical-rl;
}

@media screen and (min-width: 640px) {
    .card {
        box-sizing: border-box;
        left: -20%;
        width: 140%;
        padding-block-start: 24px;
        padding-block-end: 24px;
        padding-inline-start: 32px;
        padding-inline-end: 32px;
    }
}

[data-darkmode=dark] .card {
    background-color: hsl(0deg, 0%, 16%);
}

[data-darkmode=dark] .card > figcaption {
    border-block-start: 1px solid hsl(0deg, 0%, 20%);
}

[data-darkmode=dark] .card .card__vertical-container {
    border-color: hsl(0deg, 0%, 20%);
}

@media (prefers-color-scheme: dark) {
    [data-darkmode=auto] .card {
        background-color: hsl(0deg, 0%, 16%);
    }

    [data-darkmode=auto] .card > figcaption {
        border-block-start: 1px solid hsl(0deg, 0%, 20%);
    }

    [data-darkmode=auto] .card .card__vertical-container {
        border-color: hsl(0deg, 0%, 20%);
    }
}

/** 基础样式 **/
body {
    font-family: -apple-system, system-ui, "Helvetica Neue", Helvetica, Arial, "Heti Hei", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: hsl(0deg, 0%, 100%);
}

a {
    color: hsl(217deg, 89%, 61%);
    text-decoration: none;
}

.container {
    box-sizing: border-box;
    padding-block-start: 12px;
    padding-block-end: 72px;
    padding-inline-start: 12px;
    padding-inline-end: 12px;
}

/** 首页样式 **/
.article {
    margin-inline-start: auto;
    margin-inline-end: auto;
}

.article__nav ol {
    margin-block-start: 24px;
    margin-block-end: 24px;
}

/** 控制栏样式 **/
.panel {
    position: fixed;
    z-index: 2;
    right: 14px;
    top: 14px;
    display: flex;
    text-align: right;
}

/** 演示区块 **/
.demo {
    margin-block-start: 24px;
    margin-block-end: 24px;
}

.section {
    width: 100%;
    max-height: 85vh;
    margin-block-start: 12px;
    margin-block-end: 12px;
    overflow: auto;
}

@media screen and (min-width: 640px) {
    body {
        min-width: 640px;
        background-color: hsl(0deg, 0%, 93%);
    }

    .container {
        box-sizing: border-box;
        width: 80%;
        min-width: 640px;
        max-width: 768px;
        margin-block-start: 48px;
        margin-block-end: 72px;
        margin-inline-start: auto;
        margin-inline-end: auto;
        padding-block-start: 48px;
        padding-block-end: 48px;
        padding-inline-start: 48px;
        padding-inline-end: 48px;
        border-radius: 2px;
        box-shadow: 0 8px 32px hsla(0deg, 0%, 0%, 0.32);
        background-color: hsl(0deg, 0%, 100%);
    }

    .section {
        max-height: none;
        overflow: visible;
    }
}

@media screen and (min-width: 900px) {
    .article__nav {
        position: relative;
        z-index: 1;
        float: right;
        width: 192px;
        margin-block-start: -1px;
        margin-block-end: 12px;
        margin-inline-start: 32px;
        margin-inline-end: -16px;
        padding-block-start: 12px;
        padding-block-end: 12px;
        padding-inline-start: 8px;
        padding-inline-end: 8px;
        border: 1px solid hsl(0deg, 0%, 93%);
        border-radius: 2px;
    }

    .article__nav ol {
        margin-block-start: 12px;
        margin-block-end: 0;
    }

    .article__nav ol ol {
        margin-block-start: 0;
    }
}

[data-darkmode=dark] body {
    background-color: hsl(0deg, 0%, 24%);
}

[data-darkmode=dark] a {
    color: hsl(0deg, 0%, 64%);
}

[data-darkmode=dark] a:visited {
    color: hsl(217deg, 49%, 36%);
}

[data-darkmode=dark] .container {
    background-color: hsl(0deg, 0%, 16%);
    color: hsl(0deg, 0%, 64%);
}

[data-darkmode=dark] .article__nav {
    border-color: hsl(0deg, 0%, 20%);
}

@media (prefers-color-scheme: dark) {
    [data-darkmode=auto] body {
        background-color: hsl(0deg, 0%, 24%);
    }

    [data-darkmode=auto] a {
        color: hsl(217deg, 49%, 61%);
    }

    [data-darkmode=auto] a:visited {
        color: hsl(217deg, 49%, 36%);
    }

    [data-darkmode=auto] .container {
        background-color: hsl(0deg, 0%, 16%);
        color: hsl(0deg, 0%, 64%);
    }

    [data-darkmode=auto] .article__nav {
        border-color: hsl(0deg, 0%, 20%);
    }
}