.markdown-article {
  --article-accent: var(--front-red, #8c0000);
  --article-heading: var(--front-red-deep, #780006);
  --article-marker: var(--front-red, #8c0000);
  --article-text: #333a32;
  --article-muted: #6f6a64;
  --article-tint: var(--front-soft, #f7eeee);
  --article-soft: var(--front-soft, #fbf7f6);
  --article-code: #f4f5f1;
  --article-border: #e8dfdc;
  --article-row: #fbfaf8;
  --article-mark: #f5e6b8;
  --article-size: 20px;
  --article-leading: 1.85;
  --article-paragraph: 0.55em;
  color: var(--article-text);
  font-family: "Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size: var(--article-size);
  line-height: var(--article-leading);
  letter-spacing: 0;
  overflow-wrap: anywhere;
  text-align: left;
}
.markdown-article[data-theme="ink"] { --article-accent: #37413f; --article-heading: #252d2b; --article-marker: #596560; --article-text: #303936; --article-muted: #68716c; --article-tint: #f0f3ef; --article-soft: #f7f8f6; --article-code: #f2f4f1; --article-border: #e1e6e0; --article-row: #fafbf9; --article-mark: #e9ebc9; }
.markdown-article[data-theme="cinnabar"] { --article-accent: var(--front-red, #9f3b30); --article-heading: var(--front-red-deep, #84271f); --article-marker: var(--front-red, #9f3b30); --article-text: #3d3531; --article-muted: #75655e; --article-tint: var(--front-soft, #f7edeb); --article-soft: var(--front-soft, #fbf7f4); --article-code: #f4efeb; --article-border: #ead8d4; --article-row: #fcf9f7; --article-mark: #f1dda8; }
.markdown-article[data-theme="yanyuan"] { --article-accent: var(--front-red, #8f1d22); --article-heading: var(--front-red-deep, #701318); --article-marker: var(--front-red, #8f1d22); --article-text: #342f2d; --article-muted: #756c65; --article-tint: var(--front-soft, #f4ece9); --article-soft: var(--front-soft, #faf6f3); --article-code: #f2efeb; --article-border: #e4d6d1; --article-row: #fbf8f5; --article-mark: #efdfad; }
.markdown-article[data-theme="weiming"] { --article-accent: #38675f; --article-heading: var(--front-red-deep, #7f151b); --article-marker: #38675f; --article-text: #2f3935; --article-muted: #69746f; --article-tint: #eaf2ef; --article-soft: #f5f9f7; --article-code: #eef3f0; --article-border: #d5e1dc; --article-row: #f7faf8; --article-mark: #e8e2b6; }
.markdown-article[data-theme="boya"] { --article-accent: #252d2a; --article-heading: var(--front-red-deep, #7b1117); --article-marker: var(--front-red-deep, #7b1117); --article-text: #282c2a; --article-muted: #666b68; --article-tint: #f0efec; --article-soft: #f8f7f4; --article-code: #eeefec; --article-border: #dedbd5; --article-row: #faf9f6; --article-mark: #e9dfb8; }
.markdown-article[data-theme="ginkgo"] { --article-accent: var(--front-red, #8c0000); --article-heading: var(--front-red-deep, #751016); --article-marker: #9b7a2f; --article-text: #3c3730; --article-muted: #776f60; --article-tint: #f5f0df; --article-soft: #faf8f0; --article-code: #f4f2e8; --article-border: #e4d8b5; --article-row: #fcfaf3; --article-mark: #ead58e; }
.markdown-article[data-theme="yamabuki"] { --article-accent: var(--front-red, #8c0000); --article-heading: var(--front-red-deep, #780006); --article-marker: var(--front-red, #8c0000); --article-text: #333a32; --article-muted: #6f6a64; --article-tint: var(--front-soft, #f7eeee); --article-soft: var(--front-soft, #fbf7f6); --article-code: #f4f5f1; --article-border: #e8dfdc; --article-row: #fbfaf8; --article-mark: #f5e6b8; }
.markdown-article[data-theme="azure"] { --article-accent: var(--front-red, #8c0000); --article-heading: #6e0000; --article-marker: var(--front-red, #8c0000); --article-text: #333a32; --article-muted: #6f6a64; --article-tint: #f6ecec; --article-soft: var(--front-soft, #fbf7f6); --article-code: #f4f1ef; --article-border: #e6d8d6; --article-row: #fbf8f7; --article-mark: #f3e2b4; }
.markdown-article[data-theme="rose"] { --article-accent: #9a2a2a; --article-heading: #7a1218; --article-marker: #9a2a2a; --article-text: #3a3331; --article-muted: #75655e; --article-tint: #f8efee; --article-soft: #fcf8f7; --article-code: #f5efed; --article-border: #ead8d4; --article-row: #fcf9f8; --article-mark: #f1dda8; }
.markdown-article[data-theme="sprout"] { --article-accent: var(--front-red, #8c0000); --article-heading: var(--front-red-deep, #7f151b); --article-marker: #38675f; --article-text: #2f3935; --article-muted: #69746f; --article-tint: #eef4f1; --article-soft: #f6faf8; --article-code: #eef3f0; --article-border: #d7e2dd; --article-row: #f7faf8; --article-mark: #e8e2b6; }
.markdown-article[data-theme="blueprint"] { --article-accent: var(--front-red, #8c0000); --article-heading: var(--front-red-deep, #780006); --article-marker: var(--front-red, #8c0000); --article-text: #333a32; --article-muted: #6f6a64; --article-tint: var(--front-soft, #f7eeee); --article-soft: #fbf8f6; --article-code: #f4f0ee; --article-border: #e4d6d1; --article-row: #fbf7f5; --article-mark: #f0dfad; }
.markdown-article[data-theme="inkbox"] { --article-accent: var(--front-red, #8c0000); --article-heading: var(--front-red-deep, #780006); --article-marker: #252d2a; --article-text: #282c2a; --article-muted: #666b68; --article-tint: #f3f1ef; --article-soft: #f8f7f4; --article-code: #eeefec; --article-border: #dedbd5; --article-row: #faf9f6; --article-mark: #e9dfb8; }
.markdown-article[data-theme="citrus"] { --article-accent: #9b7a2f; --article-heading: var(--front-red-deep, #751016); --article-marker: var(--front-red, #8c0000); --article-text: #3c3730; --article-muted: #776f60; --article-tint: #f7f1e4; --article-soft: #faf8f0; --article-code: #f4f2e8; --article-border: #e4d8b5; --article-row: #fcfaf3; --article-mark: #ead58e; }
.markdown-article[data-theme="violet"] { --article-accent: var(--front-red, #8c0000); --article-heading: #5a0a10; --article-marker: #7a1118; --article-text: #342f2d; --article-muted: #756c65; --article-tint: #f3e8e7; --article-soft: #f8f3f2; --article-code: #f1ecea; --article-border: #e0d0cd; --article-row: #faf6f5; --article-mark: #efdfad; }
.markdown-article[data-font="serif"] { font-family: "Noto Serif SC","Source Han Serif SC","SimSun",serif; }
.markdown-article h1, .markdown-article h2, .markdown-article h3, .markdown-article h4, .markdown-article h5, .markdown-article h6 { color: var(--article-heading); font-weight: 650; line-height: 1.55; margin: 1.5em 0 .7em; overflow-wrap: anywhere; scroll-margin-top: 24px; }
.markdown-article h1 { font-size: 1.6em; margin: 0 0 1.1em; padding: 0; }
.markdown-article h2 { font-size: 1.18em; }
.markdown-article h2::before { content: ""; display: inline-block; width: 4px; height: 1em; background: var(--article-marker); margin-right: .65em; vertical-align: -.1em; border-radius: 1px; }
.markdown-article h3 { font-size: 1.05em; }
.markdown-article h4 { font-size: 1em; }
.markdown-article p { margin: 0 0 var(--article-paragraph, 0.55em); }
.markdown-article strong { color: var(--article-accent); font-weight: 650; }
.markdown-article a { color: var(--article-accent); text-decoration: underline; text-underline-offset: 4px; word-break: break-word; }
.markdown-article blockquote { margin: 1.2em 0; padding: .85em 1.1em; background: var(--article-tint); color: var(--article-muted); border: 0; border-left: 3px solid var(--article-marker); font-size: .95em; }
.markdown-article blockquote p:last-child { margin-bottom: 0; }
.markdown-article ul, .markdown-article ol { padding-left: 1.5em; margin: 1em 0; }
.markdown-article li { padding-left: .15em; margin: .35em 0; }
.markdown-article li::marker { color: var(--article-accent); }
.markdown-article li input[type="checkbox"] { display: inline-block; min-height: 0; width: 13px; height: 13px; padding: 0; margin: 0 6px 0 0; vertical-align: middle; accent-color: var(--article-accent); box-shadow: none; }
.markdown-article li:has(> input[type="checkbox"]) { list-style: none; }
.markdown-article hr { border: 0; width: 48px; height: 2px; margin: 2.1em auto; background: var(--article-marker); opacity: .55; }
.markdown-article img { display: block; max-width: 100%; height: auto; margin: 1em auto; border-radius: 4px; }
.markdown-article pre { margin: 1.25em 0; padding: 16px 18px; border: 1px solid var(--article-border); border-radius: 4px; background: var(--article-code); overflow: auto; font-size: .82em; line-height: 1.8; }
.markdown-article pre code { padding: 0; background: none; color: inherit; overflow-wrap: normal; white-space: pre; }
.markdown-article code { padding: .12em .35em; border-radius: 3px; background: var(--article-tint); color: var(--article-accent); font-family: Consolas,monospace; font-size: .88em; }

.markdown-article .md-code-shell {
  position: relative;
  margin: 1.25em 0;
}
.markdown-article .md-code-shell > pre,
.markdown-article .md-code-shell > .md-code-window {
  margin: 0;
}
.markdown-article .md-code-copy {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  margin: 0;
  padding: 3px 9px;
  border: 1px solid color-mix(in srgb, var(--article-border) 80%, transparent);
  border-radius: 4px;
  background: color-mix(in srgb, #fff 82%, var(--article-soft));
  color: var(--article-muted);
  font: 600 12px/1.2 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  cursor: pointer;
  opacity: 0.88;
}
.markdown-article .md-code-shell[data-code-mac="1"] .md-code-copy,
.markdown-article[data-code-mac="1"] .md-code-shell .md-code-copy {
  top: 44px;
}
.markdown-article .md-code-copy:hover,
.markdown-article .md-code-copy.is-copied {
  opacity: 1;
  color: var(--article-accent);
  border-color: color-mix(in srgb, var(--article-accent) 35%, var(--article-border));
}
.markdown-article[data-code-theme="atom-dark"] .md-code-copy,
.markdown-article[data-code-theme="monokai"] .md-code-copy {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.78);
}
.markdown-article[data-code-theme="atom-dark"] .md-code-copy:hover,
.markdown-article[data-code-theme="atom-dark"] .md-code-copy.is-copied,
.markdown-article[data-code-theme="monokai"] .md-code-copy:hover,
.markdown-article[data-code-theme="monokai"] .md-code-copy.is-copied {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
}

.markdown-article .md-callout {
  margin: 1.3em 0;
  padding: 0.95em 1.1em 1.05em;
  border: 1px solid color-mix(in srgb, var(--article-accent) 18%, var(--article-border));
  border-left: 4px solid var(--article-accent);
  border-radius: 6px;
  background: color-mix(in srgb, var(--article-tint) 92%, #fff);
}
.markdown-article .md-callout-title {
  margin: 0 0 0.45em;
  color: var(--article-heading);
  font-size: 0.95em;
  font-weight: 750;
  letter-spacing: 0.02em;
}
.markdown-article .md-callout-body > :first-child { margin-top: 0; }
.markdown-article .md-callout-body > :last-child { margin-bottom: 0; }
.markdown-article .md-callout-tip {
  border-left-color: #8c0000;
  background: #faf3f1;
  border-color: color-mix(in srgb, #8c0000 16%, var(--article-border));
}
.markdown-article .md-callout-note,
.markdown-article .md-callout-info {
  border-left-color: #1f6f5b;
  background: #f2f7f5;
  border-color: color-mix(in srgb, #1f6f5b 16%, var(--article-border));
}
.markdown-article .md-callout-warning {
  border-left-color: #b45309;
  background: #fbf6ef;
  border-color: color-mix(in srgb, #b45309 18%, var(--article-border));
}
.markdown-article .md-callout-important {
  border-left-color: #8c0000;
  background: #f7ebe8;
  border-color: color-mix(in srgb, #8c0000 22%, var(--article-border));
}
.markdown-article .md-callout-caution {
  border-left-color: #7f1d1d;
  background: #f8e8e6;
  border-color: color-mix(in srgb, #7f1d1d 22%, var(--article-border));
}

.markdown-article .md-cols {
  display: grid;
  gap: 1rem 1.15rem;
  margin: 1.3em 0;
  align-items: start;
}
.markdown-article .md-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.markdown-article .md-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.markdown-article .md-col > :first-child { margin-top: 0; }
.markdown-article .md-col > :last-child { margin-bottom: 0; }
@media (max-width: 720px) {
  .markdown-article .md-cols-2,
  .markdown-article .md-cols-3 { grid-template-columns: 1fr; }
}

.markdown-article .md-code-window {
  margin: 1.25em 0;
  overflow: hidden;
  border: 1px solid var(--article-border);
  border-radius: 8px;
  background: var(--article-code);
  box-shadow: 0 8px 18px rgba(28, 32, 29, 0.06);
}
.markdown-article .md-code-window::before {
  content: "";
  display: block;
  height: 34px;
  border-bottom: 1px solid color-mix(in srgb, var(--article-border) 80%, transparent);
  background:
    radial-gradient(circle at 16px 17px, #ff5f56 0 5px, transparent 6px),
    radial-gradient(circle at 36px 17px, #ffbd2e 0 5px, transparent 6px),
    radial-gradient(circle at 56px 17px, #27c93f 0 5px, transparent 6px),
    linear-gradient(180deg, color-mix(in srgb, var(--article-soft) 88%, #fff), var(--article-code));
}
.markdown-article .md-code-window > pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.markdown-article[data-code-theme="atom-dark"] pre,
.markdown-article[data-code-theme="atom-dark"] .md-code-window {
  background: #282c34;
  border-color: #1f2329;
  color: #abb2bf;
}
.markdown-article[data-code-theme="atom-dark"] .md-code-window::before {
  border-bottom-color: #1f2329;
  background:
    radial-gradient(circle at 16px 17px, #ff5f56 0 5px, transparent 6px),
    radial-gradient(circle at 36px 17px, #ffbd2e 0 5px, transparent 6px),
    radial-gradient(circle at 56px 17px, #27c93f 0 5px, transparent 6px),
    linear-gradient(180deg, #323842, #282c34);
}
.markdown-article[data-code-theme="atom-dark"] .hljs { color: #abb2bf; background: transparent; }
.markdown-article[data-code-theme="atom-dark"] .hljs-comment,
.markdown-article[data-code-theme="atom-dark"] .hljs-quote { color: #5c6370; font-style: italic; }
.markdown-article[data-code-theme="atom-dark"] .hljs-doctag,
.markdown-article[data-code-theme="atom-dark"] .hljs-keyword,
.markdown-article[data-code-theme="atom-dark"] .hljs-formula { color: #c678dd; }
.markdown-article[data-code-theme="atom-dark"] .hljs-section,
.markdown-article[data-code-theme="atom-dark"] .hljs-name,
.markdown-article[data-code-theme="atom-dark"] .hljs-selector-tag,
.markdown-article[data-code-theme="atom-dark"] .hljs-deletion,
.markdown-article[data-code-theme="atom-dark"] .hljs-subst { color: #e06c75; }
.markdown-article[data-code-theme="atom-dark"] .hljs-literal { color: #56b6c2; }
.markdown-article[data-code-theme="atom-dark"] .hljs-string,
.markdown-article[data-code-theme="atom-dark"] .hljs-regexp,
.markdown-article[data-code-theme="atom-dark"] .hljs-addition,
.markdown-article[data-code-theme="atom-dark"] .hljs-attribute,
.markdown-article[data-code-theme="atom-dark"] .hljs-meta .hljs-string { color: #98c379; }
.markdown-article[data-code-theme="atom-dark"] .hljs-attr,
.markdown-article[data-code-theme="atom-dark"] .hljs-variable,
.markdown-article[data-code-theme="atom-dark"] .hljs-template-variable,
.markdown-article[data-code-theme="atom-dark"] .hljs-type,
.markdown-article[data-code-theme="atom-dark"] .hljs-selector-class,
.markdown-article[data-code-theme="atom-dark"] .hljs-selector-attr,
.markdown-article[data-code-theme="atom-dark"] .hljs-selector-pseudo,
.markdown-article[data-code-theme="atom-dark"] .hljs-number { color: #d19a66; }
.markdown-article[data-code-theme="atom-dark"] .hljs-symbol,
.markdown-article[data-code-theme="atom-dark"] .hljs-bullet,
.markdown-article[data-code-theme="atom-dark"] .hljs-link,
.markdown-article[data-code-theme="atom-dark"] .hljs-meta,
.markdown-article[data-code-theme="atom-dark"] .hljs-selector-id,
.markdown-article[data-code-theme="atom-dark"] .hljs-title { color: #61aeee; }

.markdown-article[data-code-theme="monokai"] pre,
.markdown-article[data-code-theme="monokai"] .md-code-window {
  background: #272822;
  border-color: #1d1e19;
  color: #f8f8f2;
}
.markdown-article[data-code-theme="monokai"] .md-code-window::before {
  border-bottom-color: #1d1e19;
  background:
    radial-gradient(circle at 16px 17px, #ff5f56 0 5px, transparent 6px),
    radial-gradient(circle at 36px 17px, #ffbd2e 0 5px, transparent 6px),
    radial-gradient(circle at 56px 17px, #27c93f 0 5px, transparent 6px),
    linear-gradient(180deg, #2f302a, #272822);
}
.markdown-article[data-code-theme="monokai"] .hljs { color: #f8f8f2; background: transparent; }
.markdown-article[data-code-theme="monokai"] .hljs-comment,
.markdown-article[data-code-theme="monokai"] .hljs-quote { color: #75715e; }
.markdown-article[data-code-theme="monokai"] .hljs-keyword,
.markdown-article[data-code-theme="monokai"] .hljs-selector-tag,
.markdown-article[data-code-theme="monokai"] .hljs-literal,
.markdown-article[data-code-theme="monokai"] .hljs-name { color: #f92672; }
.markdown-article[data-code-theme="monokai"] .hljs-string,
.markdown-article[data-code-theme="monokai"] .hljs-attr,
.markdown-article[data-code-theme="monokai"] .hljs-addition { color: #a6e22e; }
.markdown-article[data-code-theme="monokai"] .hljs-type,
.markdown-article[data-code-theme="monokai"] .hljs-title,
.markdown-article[data-code-theme="monokai"] .hljs-section,
.markdown-article[data-code-theme="monokai"] .hljs-attribute,
.markdown-article[data-code-theme="monokai"] .hljs-variable { color: #e6db74; }
.markdown-article[data-code-theme="monokai"] .hljs-number,
.markdown-article[data-code-theme="monokai"] .hljs-built_in,
.markdown-article[data-code-theme="monokai"] .hljs-builtin-name,
.markdown-article[data-code-theme="monokai"] .hljs-literal { color: #ae81ff; }
.markdown-article[data-code-theme="monokai"] .hljs-symbol,
.markdown-article[data-code-theme="monokai"] .hljs-bullet,
.markdown-article[data-code-theme="monokai"] .hljs-link { color: #66d9ef; }
.markdown-table-scroll { overflow-x: auto; max-width: 100%; margin: 1.2em 0; }
.markdown-article table { width: 100%; border-collapse: collapse; font-size: .88em; }
.markdown-article th { background: var(--article-tint); color: var(--article-heading); font-weight: 600; }
.markdown-article td, .markdown-article th { padding: .7em .9em; text-align: left; border: 0; border-bottom: 1px solid var(--article-border); min-width: 80px; }
.markdown-article tbody tr:nth-child(even) { background: var(--article-row); }
.markdown-article :is(th,td)[align="right"] { text-align: right; }
.markdown-article :is(th,td)[align="center"] { text-align: center; }
.markdown-article :is(th,td)[align="left"] { text-align: left; }
.markdown-article h5, .markdown-article h6 { font-size: .98em; }
.markdown-article mark { background: var(--article-mark); color: var(--article-text); }
.markdown-article .image-unavailable { display: block; padding: 16px; background: var(--article-code); color: var(--article-muted); font-size: 12px; }
.markdown-article .katex-display { overflow-x: auto; overflow-y: hidden; padding: .75em 0; }
.markdown-article .katex { font-size: 1.12em; }
.markdown-article > :last-child { margin-bottom: 0; }

.markdown-article > h1:first-child {
  position: relative;
}

.markdown-article[data-theme="pku"] > h1:first-child {
  margin-bottom: 1.15em;
  padding: .1em 0 .1em .75em;
  border-left: 5px solid var(--article-accent);
}

.markdown-article[data-theme="pku"] > h1:first-child::after,
.markdown-article[data-theme="yanyuan"] > h1:first-child::after {
  content: "";
  position: absolute;
  top: -18px;
  right: 0;
  width: 108px;
  height: 74px;
  background: url("./assets/cloud-gray-top.png") center / contain no-repeat;
  opacity: .17;
  pointer-events: none;
}

.markdown-article[data-theme="pku"] > h1:first-child::after {
  display: none;
}

.markdown-article[data-theme="pku"] h2 {
  border-bottom: 0;
  padding-bottom: 0;
}

.markdown-article[data-theme="ink"] > h1:first-child {
  padding: .68em 1em;
  border-top: 1px solid var(--article-marker);
  border-bottom: 3px double var(--article-marker);
  color: var(--article-heading);
  text-align: center;
}

.markdown-article[data-theme="ink"] h2 {
  padding-bottom: 0;
  border-bottom: 0;
}

.markdown-article[data-theme="ink"] h2::before {
  width: .62em;
  height: .62em;
  transform: rotate(45deg);
  margin-right: .8em;
  vertical-align: .03em;
}

.markdown-article[data-theme="ink"] blockquote {
  border-left: 0;
  border-top: 1px solid var(--article-border);
  border-bottom: 1px solid var(--article-border);
  background: transparent;
  text-align: center;
}

.markdown-article[data-theme="cinnabar"] > h1:first-child {
  padding: .15em 2.2em .28em .72em;
  border-left: 6px solid var(--article-accent);
}

.markdown-article[data-theme="cinnabar"] > h1:first-child::after {
  content: "";
  position: absolute;
  right: .25em;
  bottom: .32em;
  width: .72em;
  height: .72em;
  border: 2px solid var(--article-accent);
  box-shadow: inset 0 0 0 3px var(--article-tint);
}

.markdown-article[data-theme="cinnabar"] h2 {
  width: fit-content;
  padding: .35em .78em;
  border-bottom: 2px solid var(--article-accent);
  background: var(--article-tint);
}

.markdown-article[data-theme="cinnabar"] h2::before {
  display: none;
}

.markdown-article[data-theme="cinnabar"] hr {
  width: 9px;
  height: 9px;
  opacity: 1;
  transform: rotate(45deg);
}

.markdown-article[data-theme="yanyuan"] > h1:first-child {
  min-height: 86px;
  padding: 18px 132px 18px 21px;
  border-left: 7px solid var(--article-accent);
  background: var(--article-tint);
}

.markdown-article[data-theme="yanyuan"] > h1:first-child::after {
  top: 4px;
  right: 12px;
  width: 112px;
  height: 76px;
  opacity: .22;
}

.markdown-article[data-theme="yanyuan"] h2 {
  padding-bottom: 0;
  border-bottom: 0;
}

.markdown-article[data-theme="yanyuan"] h2::before {
  width: 1.15em;
  height: 4px;
  border-radius: 2px;
  vertical-align: .28em;
}

.markdown-article[data-theme="yanyuan"] blockquote {
  border-left: 4px solid var(--article-accent);
  border-top: 0;
  border-bottom: 0;
  background: var(--article-tint);
}

.markdown-article[data-theme="weiming"] > h1:first-child {
  padding: 62px 20px 18px;
  border-bottom: 3px double var(--article-accent);
  text-align: center;
}

.markdown-article[data-theme="weiming"] > h1:first-child::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 90px;
  height: 58px;
  transform: translateX(-50%);
  background: url("./assets/cloud-gray-top.png") center / contain no-repeat;
  opacity: .2;
}

.markdown-article[data-theme="weiming"] h2 {
  padding-bottom: 0;
  border-bottom: 0;
  text-align: center;
}

.markdown-article[data-theme="weiming"] h2::before {
  width: 1.15em;
  height: 3px;
  border-radius: 2px;
  vertical-align: .3em;
}

.markdown-article[data-theme="weiming"] blockquote {
  border-left: 4px solid var(--article-accent);
  border-top: 0;
  border-bottom: 0;
  background: var(--article-soft);
  text-align: left;
}

.markdown-article[data-theme="boya"] > h1:first-child {
  padding: .72em 1em;
  border-top: 3px double var(--article-text);
  border-bottom: 3px double var(--article-text);
  color: var(--article-heading);
  font-family: "Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  text-align: center;
}

.markdown-article[data-theme="boya"] > h1:first-child::after {
  content: "顶学";
  display: inline-grid;
  place-items: center;
  width: 2.25em;
  height: 2.25em;
  margin-left: .85em;
  border: 1px solid var(--article-heading);
  background: var(--article-heading);
  color: #fff;
  font: 600 .34em/1 "Noto Serif SC","Songti SC",serif;
  vertical-align: .28em;
}

.markdown-article[data-theme="boya"] h2 {
  padding-bottom: 0;
  border-bottom: 0;
  font-family: "Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
}

.markdown-article[data-theme="boya"] h2::before {
  width: .7em;
  height: .7em;
  vertical-align: 0;
}

.markdown-article[data-theme="boya"] blockquote {
  position: relative;
  padding-left: 2.8em;
  border-left: 0;
  font-family: "Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
}

.markdown-article[data-theme="boya"] blockquote::before {
  content: "“";
  position: absolute;
  top: .08em;
  left: .35em;
  color: var(--article-heading);
  font: 700 2.5em/1 Georgia,serif;
  opacity: .75;
}

.markdown-article[data-theme="boya"] img {
  padding: 6px;
  border: 1px solid var(--article-border);
  background: #fff;
}

.markdown-article[data-theme="ginkgo"] > h1:first-child {
  padding: .65em .85em;
  border: 1px solid var(--article-border);
  border-left: 8px solid var(--article-marker);
  background: var(--article-soft);
}

.markdown-article[data-theme="ginkgo"] h2 {
  padding-bottom: 0;
  border-bottom: 0;
}

.markdown-article[data-theme="ginkgo"] h2::before {
  width: .62em;
  height: .62em;
  border-radius: 50%;
  vertical-align: .02em;
}

.markdown-article[data-theme="ginkgo"] blockquote {
  border-left-color: var(--article-marker);
  box-shadow: inset 1px 0 0 #fff;
}

.markdown-article[data-theme="ginkgo"] hr {
  width: 72px;
  height: 0;
  border-top: 1px solid var(--article-marker);
  background: transparent;
  opacity: .75;
}

.markdown-article[data-theme="ginkgo"] img {
  padding-bottom: 7px;
  border-bottom: 2px solid var(--article-marker);
}

.markdown-article[data-theme="yamabuki"] > h1:first-child {
  padding: .1em 0 .1em .75em;
  border-left: 6px solid var(--article-marker);
}

.markdown-article[data-theme="yamabuki"] h2 {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding: .42em 1.1em;
  border-radius: 4px;
  background: var(--article-marker);
  color: #fff;
  text-align: center;
}

.markdown-article[data-theme="yamabuki"] h2::before { display: none; }

.markdown-article[data-theme="yamabuki"] h3 {
  color: var(--article-heading);
}

.markdown-article[data-theme="yamabuki"] h3::before {
  content: "";
  display: inline-block;
  width: .55em;
  height: .55em;
  margin-right: .55em;
  border-radius: 2px;
  background: var(--article-marker);
  vertical-align: .05em;
}

.markdown-article[data-theme="azure"] > h1:first-child {
  padding: .1em 0 .1em .75em;
  border-left: 5px solid var(--article-marker);
}

.markdown-article[data-theme="azure"] h2 {
  border-bottom: 0;
}

.markdown-article[data-theme="azure"] h2::before {
  width: 5px;
  height: 1.05em;
  border-radius: 2px;
}

.markdown-article[data-theme="azure"] h3::before {
  content: "";
  display: inline-block;
  width: .55em;
  height: .55em;
  margin-right: .5em;
  border-radius: 2px;
  background: var(--article-marker);
  vertical-align: .08em;
}

.markdown-article[data-theme="azure"] blockquote {
  position: relative;
  padding-left: 2.6em;
  border-left: 3px solid var(--article-marker);
}

.markdown-article[data-theme="azure"] blockquote::before {
  content: "“";
  position: absolute;
  top: .05em;
  left: .4em;
  color: var(--article-marker);
  font: 700 2.4em/1 Georgia,serif;
  opacity: .35;
}

.markdown-article[data-theme="rose"] {
  background-image:
    linear-gradient(color-mix(in srgb, var(--article-border) 55%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--article-border) 55%, transparent) 1px, transparent 1px);
  background-size: 18px 18px;
  background-position: -1px -1px;
}

.markdown-article[data-theme="rose"] > h1:first-child {
  color: var(--article-heading);
  text-align: center;
}

.markdown-article[data-theme="rose"] h2 {
  border-bottom: 0;
}

.markdown-article[data-theme="rose"] h2::before {
  width: 4px;
  height: 1.05em;
  border-radius: 2px;
}

.markdown-article[data-theme="rose"] blockquote {
  position: relative;
  padding: 1em 1.1em 1em 2.8em;
  border-left: 0;
  background: color-mix(in srgb, var(--article-tint) 92%, #fff);
}

.markdown-article[data-theme="rose"] blockquote::before {
  content: "“";
  position: absolute;
  top: .1em;
  left: .45em;
  color: var(--article-marker);
  font: 700 2.6em/1 Georgia,serif;
  opacity: .4;
}

.markdown-article[data-theme="sprout"] > h1:first-child {
  width: fit-content;
  padding: .4em .9em;
  border-radius: 6px;
  background: var(--article-tint);
}

.markdown-article[data-theme="sprout"] h2 {
  border-bottom: 0;
}

.markdown-article[data-theme="sprout"] h2::before {
  width: .62em;
  height: .62em;
  border-radius: 2px;
  vertical-align: .02em;
}

.markdown-article[data-theme="sprout"] h3::before {
  content: "";
  display: inline-block;
  width: .7em;
  height: .85em;
  margin-right: .5em;
  border: 2px solid var(--article-marker);
  border-radius: 2px;
  background:
    linear-gradient(var(--article-marker), var(--article-marker)) 50% 28% / 55% 2px no-repeat,
    linear-gradient(var(--article-marker), var(--article-marker)) 50% 48% / 55% 2px no-repeat,
    linear-gradient(var(--article-marker), var(--article-marker)) 50% 68% / 40% 2px no-repeat;
  vertical-align: -.05em;
}

.markdown-article[data-theme="blueprint"] {
  background-image:
    linear-gradient(color-mix(in srgb, var(--article-marker) 18%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--article-marker) 18%, transparent) 1px, transparent 1px);
  background-size: 22px 22px;
}

.markdown-article[data-theme="blueprint"] > h1:first-child {
  color: var(--article-heading);
  text-align: center;
}

.markdown-article[data-theme="blueprint"] h2 {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding: .4em 1em;
  border-radius: 4px;
  background: var(--article-marker);
  color: #fff;
  text-align: center;
}

.markdown-article[data-theme="blueprint"] h2::before { display: none; }

.markdown-article[data-theme="blueprint"] blockquote {
  position: relative;
  padding: 1.05em 1.1em 1.05em 2.9em;
  border-left: 0;
  background: color-mix(in srgb, var(--article-tint) 88%, #fff);
}

.markdown-article[data-theme="blueprint"] blockquote::before {
  content: "“";
  position: absolute;
  top: .05em;
  left: .4em;
  color: var(--article-marker);
  font: 700 2.7em/1 Georgia,serif;
  opacity: .45;
}

.markdown-article[data-theme="inkbox"] > h1:first-child {
  letter-spacing: .04em;
  text-align: center;
}

.markdown-article[data-theme="inkbox"] h2 {
  display: table;
  margin-left: auto;
  margin-right: auto;
  padding: .45em 1.25em;
  border: 2px solid var(--article-marker);
  box-shadow: inset 0 0 0 3px #fff, inset 0 0 0 5px var(--article-marker);
  text-align: center;
}

.markdown-article[data-theme="inkbox"] h2::before { display: none; }

.markdown-article[data-theme="inkbox"] h3 {
  display: table;
  padding: .18em .7em;
  background: var(--article-marker);
  color: #fff;
  font-size: .95em;
}

.markdown-article[data-theme="citrus"] > h1:first-child {
  padding: .1em 0 .1em .75em;
  border-left: 6px solid var(--article-marker);
}

.markdown-article[data-theme="citrus"] h2 {
  display: block;
  margin: 1.45em 0 .75em;
  padding: .48em 1em;
  background: var(--article-marker);
  color: #fff;
  text-align: center;
}

.markdown-article[data-theme="citrus"] h2::before { display: none; }

.markdown-article[data-theme="citrus"] a,
.markdown-article[data-theme="citrus"] strong {
  color: var(--article-accent);
}

.markdown-article[data-theme="citrus"] blockquote {
  border-left-color: var(--article-accent);
}

.markdown-article[data-theme="violet"] > h1:first-child {
  padding: .55em .9em;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--article-heading), var(--article-marker));
  color: #fff;
  text-align: center;
}

.markdown-article[data-theme="violet"] h2 {
  border-bottom: 0;
}

.markdown-article[data-theme="violet"] h2::before {
  width: 4px;
  height: 1.1em;
  border-radius: 2px;
}

.markdown-article[data-theme="violet"] blockquote {
  border-left: 0;
  border-radius: 8px;
  background: var(--article-tint);
  box-shadow: inset 4px 0 0 var(--article-marker);
}

.qa-reading {
  --qa-card-bg: var(--article-soft);
  --qa-card-shadow: 0 10px 26px rgba(25, 27, 26, 0.07);
  color: var(--article-text);
}

.qa-reading-intro {
  margin-bottom: 30px;
}

.qa-reading-intro blockquote {
  margin: 0;
  padding: 15px 18px;
  border: 0;
  border-radius: 6px;
  background: var(--article-tint);
  color: var(--article-muted);
  box-shadow: inset 4px 0 0 var(--article-marker);
}

.qa-reading-section + .qa-reading-section {
  margin-top: 34px;
}

.qa-section-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 11px;
  align-items: center;
  margin-bottom: 17px;
}

.qa-section-index {
  color: var(--article-accent);
  font-size: 0.74em;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.markdown-article .qa-section-title {
  margin: 0;
  color: var(--article-text);
  font-family: "Noto Serif SC", "Songti SC", STSong, Georgia, serif;
  font-size: 1.28em;
  font-weight: 800;
}

.markdown-article .qa-section-title::before {
  display: none;
}

.qa-section-total {
  color: var(--article-muted);
  font-size: 0.74em;
  font-weight: 700;
}

.qa-section-lead {
  margin: -4px 0 16px;
  color: var(--article-muted);
  font-size: 0.92em;
}

.qa-card-columns {
  columns: 2 280px;
  column-gap: 16px;
}

.qa-answer-card {
  width: 100%;
  display: inline-block;
  break-inside: avoid;
  margin: 0 0 16px;
  padding: 18px;
  border: 1px solid var(--article-border);
  border-radius: 6px;
  background: var(--qa-card-bg);
  box-shadow: var(--qa-card-shadow);
  vertical-align: top;
}

.markdown-article .qa-question {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 11px;
  align-items: start;
  margin: 0 0 13px;
  color: var(--article-text);
  font-size: 1em;
  font-weight: 750;
  line-height: 1.55;
}

.qa-question-index {
  min-height: 27px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: var(--article-marker);
  color: #fff;
  font-family: "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 0.66em;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.qa-question-text {
  padding-top: 1px;
}

.qa-answer-body {
  color: var(--article-muted);
  font-size: 1em;
  line-height: 1.82;
}

.qa-answer-body > :first-child {
  margin-top: 0;
}

.qa-answer-body > :last-child {
  margin-bottom: 0;
}

.qa-answer-body ul,
.qa-answer-body ol {
  margin: 0.7em 0;
}

.qa-answer-media {
  margin: 16px 0 5px;
}

.qa-answer-media-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.markdown-article .qa-answer-media img {
  width: 100%;
  max-height: 620px;
  margin: 0;
  padding: 5px;
  object-fit: contain;
  border-radius: 4px;
  background: #f3f4f1;
  box-shadow: inset 0 0 0 1px rgba(25, 27, 26, 0.07);
}

.qa-answer-media figcaption {
  margin-top: 7px;
  color: var(--article-muted);
  font-size: 0.76em;
  line-height: 1.55;
  text-align: center;
}

.qa-reading-fallback {
  padding: 0;
}

.qa-editor-preview {
  --qa-card-bg: var(--article-soft);
  --qa-card-shadow: 0 6px 18px rgba(25, 27, 26, 0.07);
}

.qa-editor-preview .qa-card-columns {
  columns: 1;
}

.qa-preview-title {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 13px;
  align-items: center;
  margin-bottom: 27px;
}

.qa-preview-title > span {
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: var(--article-marker);
  color: #fff;
  font-size: 0.78em;
  font-weight: 800;
}

.markdown-article .qa-preview-title h1 {
  margin: 0;
}

@media (max-width: 700px) {
  .markdown-article[data-theme="yanyuan"] > h1:first-child { min-height: 76px; padding: 15px 88px 15px 16px; }
  .markdown-article[data-theme="yanyuan"] > h1:first-child::after { right: 7px; width: 78px; height: 60px; }
  .markdown-article[data-theme="boya"] > h1:first-child::after { margin-left: .5em; }

  .qa-card-columns {
    columns: 1;
  }

  .qa-answer-card {
    padding: 16px;
  }
}

.markdown-article .md-figure {
  margin: 1.15em auto 1.35em;
  max-width: 100%;
  text-align: center;
}
.markdown-article .md-figure img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
}
.markdown-article .md-figure figcaption {
  display: grid;
  gap: 3px;
  max-width: 36em;
  margin: 8px auto 0;
  font-size: 1em;
  line-height: 1.5;
  text-align: center;
}
.markdown-article .md-figure-title {
  color: var(--article-muted, #6f6a64);
  font-size: 0.74em;
  line-height: 1.55;
}
.markdown-article .md-figure-note {
  color: color-mix(in srgb, var(--article-muted, #6f6a64) 78%, transparent);
  font-size: 0.62em;
  line-height: 1.5;
}