:root {
  --page-max-width: 1100px;
  --toc-width: 260px;
  --text-color: rgba(0, 0, 0, 0.8);
  --muted: rgba(0, 0, 0, 0.6);
  --border: rgba(0, 0, 0, 0.12);
  --bg-soft: #f3f5f7;
  --link: #004276;
  --link-hover: rgba(0, 0, 0, 0.85);
  --code-bg: #f6f8fa;
  --code-border: rgba(0, 0, 0, 0.08);
  --code-text: rgba(0, 0, 0, 0.86);
  --code-muted: rgba(0, 0, 0, 0.55);
  --code-line: rgba(0, 0, 0, 0.04);
  --code-hlt: rgba(255, 204, 0, 0.22);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  line-height: 1.6em;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell,
    "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
  text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

@media (max-width: 640px) {
  html {
    font-size: 20px;
  }
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  color: var(--text-color);
  font-weight: 400;
  background: #fff;
}

a:link,
a:visited {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover);
}

img,
video {
  max-width: 100%;
  height: auto;
}

.header-container {
  background: linear-gradient(135deg, #eef3f8 0%, #f8fafc 60%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
  padding: 22px 18px;
}

.header-inner {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr !important;
  gap: 18px;
  align-items: center;
}

.header-container .header-content {
  width: 100% !important;
  max-width: none !important;
}

.header-content h1 {
  margin: 0 0 10px 0;
  font-size: 1.8em;
  font-weight: 600;
  line-height: 1.15;
}

.header-content p {
  margin: 0;
  color: var(--muted);
  max-width: none;
}

.button-container {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button-container a.button {
  display: inline-block;
  background-color: #b7c3cb;
  color: #03325c;
  border: 2px solid #ccdde5;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.button-container a.button:hover {
  background-color: #eab682;
  color: #fff;
  transform: translateY(-1px);
}

.header-image {
  display: none;
}

.byline {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 10px 18px 14px;
}

.byline-container {
  max-width: var(--page-max-width);
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.byline-column h3 {
  margin: 0 0 8px 0;
  font-size: 15px;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.72);
}

.byline-column p {
  margin: 4px 0;
  font-size: 14px;
  color: rgba(0, 0, 0, 0.6);
}

.author-link,
.affiliation-link {
  color: inherit;
  text-decoration: none;
}

.author-link:hover,
.affiliation-link:hover {
  text-decoration: underline;
}

.page {
  max-width: var(--page-max-width);
  margin: 0;
  padding: 26px 18px 70px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.toc {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 12px 12px;
}

.toc h4 {
  margin: 0 0 10px 0;
  font-size: 14px;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.7);
}

.toc a {
  display: block;
  padding: 6px 6px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.75);
}

.toc a:hover {
  background: var(--bg-soft);
  text-decoration: none;
}

.toc a.is-active {
  background: #e7f1ff;
  color: #0d6efd;
}

.content section {
  margin: 0 0 26px 0;
}

.content h2 {
  margin: 0 0 10px 0;
  font-size: 1.65em;
  font-weight: 600;
  line-height: 1.2;
}

.content h3 {
  margin: 16px 0 8px 0;
  font-size: 1.15em;
  font-weight: 600;
}

.content p {
  margin: 10px 0;
}

pre {
  font-size: 0.92em;
  padding: 14px;
  border-radius: 10px;
  background-color: rgb(235, 235, 235);
  overflow-x: auto;
}

.code-compare-group {
  margin-top: 14px;
}

.code-compare-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 10px;
}

.code-panel {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.code-panel-title {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  color: rgba(0, 0, 0, 0.75);
  background: linear-gradient(180deg, #fbfcfe 0%, #f3f5f7 100%);
}

.code-compare pre {
  margin: 0;
  border-radius: 0;
  background: var(--code-bg);
  color: var(--code-text);
  border: none;
  box-shadow: inset 0 1px 0 rgba(0, 0, 0, 0.03);
}

.code-compare code {
  display: block;
  font-family: "JetBrains Mono", "Fira Code", Monaco, Menlo, Consolas, monospace;
  font-variant-ligatures: contextual;
  tab-size: 2;
}

.code-compare .code-line {
  display: block;
  padding: 0 14px;
  margin: 0 -14px;
  white-space: pre;
}

.code-compare .code-line:hover {
  background: var(--code-line);
}

.code-compare .code-line.is-hlt {
  background: var(--code-hlt);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 0, 0.12);
}

@media (max-width: 640px) {
  pre {
    white-space: pre-wrap;
  }

  .code-compare .code-line {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }
}

.code-compare .tok.kw {
  color: #0550ae;
  font-weight: 650;
}

.code-compare .tok.fn {
  color: #8250df;
  font-weight: 650;
}

.code-compare .tok.num {
  color: #953800;
}

.code-compare .tok.str {
  color: #0a3069;
}

.code-compare .tok.com {
  color: var(--code-muted);
}

.code-compare-note {
  margin-top: 12px;
  padding: 10px 12px;
  border-left: 3px solid rgba(255, 255, 0, 0.35);
  background: rgba(255, 255, 0, 0.08);
  border-radius: 10px;
}

figure {
  margin: 0;
}

.figure {
  position: relative;
  margin-top: 1.2em;
  margin-bottom: 2em;
}

.figure.external img {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.1);
  padding: 18px;
}

.figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5em;
}

@media (min-width: 1024px) {
  .figure figcaption {
    font-size: 13px;
  }
}

.slow-flow,
.mix-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
}

.slow-flow img,
.mix-flow img {
  display: block;
}

.slow-flow-text p,
.mix-flow-text p {
  margin-top: 0;
}

.result-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 10px;
}

.result-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 14px;
}

.result-grid-2 .result-figure img {
  width: 50%;
  margin: 0 auto;
}

.result-figure img {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 720px) {
  .header-inner {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .header-content h1 {
    font-size: 3em;
  }

  .header-image {
    display: none;
  }

  .byline-container {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 22px;
  }
}

@media (min-width: 980px) {
  .page {
    grid-template-columns: var(--toc-width) 1fr;
    gap: 22px;
    align-items: start;
  }

  .toc {
    position: sticky;
    top: 18px;
    height: fit-content;
    border: none;
    border-right: 1px solid var(--border);
    border-radius: 0;
    padding: 0 12px 0 0;
  }

  .content {
    padding-left: 0;
  }

  .slow-flow,
  .mix-flow {
    grid-template-columns: 1fr 360px;
  }

  .slow-flow > img,
  .mix-flow > img {
    grid-column: 2;
    grid-row: 1;
  }

  .slow-flow-text,
  .mix-flow-text {
    grid-column: 1;
    grid-row: 1;
  }

  .result-grid-2 {
    grid-template-columns: 1fr;
    grid-template-areas:
      "vs_text"
      "vs_fig"
      "t2i_text"
      "t2i_fig";
    gap: 16px;
  }

  .result-grid-2 .vs-text {
    grid-area: vs_text;
  }

  .result-grid-2 .t2i-text {
    grid-area: t2i_text;
  }

  .result-grid-2 .vs-fig {
    grid-area: vs_fig;
  }

  .result-grid-2 .t2i-fig {
    grid-area: t2i_fig;
  }

  .code-compare-row {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}