/* AI Infra catalog: four topics on wide screens, then two and one. */
.topic-list.inference-topics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.topic-list.inference-topics .topic-card { min-height: 190px; }
.topic-list.inference-single { grid-template-columns: minmax(0, 1fr); }
.topic-list.inference-single .topic-card { max-width: 750px; }

/* Markdown-generated inference articles. */
.reader-heading .article-deck { margin: 15px 0 0; color: #58755d; font-size: 15px; line-height: 1.7; }
.engine-article > section, .engine-article > p, .engine-article > h2, .engine-article > .reader-actions { width: 100%; max-width: none; min-width: 0; margin-inline: 0; }
.engine-article > p, .engine-article section p { font-size: 18px; line-height: 1.82; }
.engine-article section ul, .engine-article section ol { font-size: 18px; line-height: 1.82; }
.engine-article table { font-size: 16px; line-height: 1.65; }
.chapter-panel summary { font-size: 16px; }
.chapter-list li a { font-size: 15px; line-height: 1.6; }
.engine-article .article-intro { margin-bottom: 16px; }
.engine-article .engine-figure { margin: 24px 0 28px; overflow-x: auto; border: 1px solid #cbdcc4; border-radius: 14px; background: #fffdf7; }
.engine-article .engine-figure a { display: block; min-width: 850px; }
.engine-article .engine-figure img { display: block; width: 100%; height: auto; }
.engine-article .engine-figure figcaption { padding: 12px 16px 14px; border-top: 1px solid #d8e5cf; color: #4a6553; font-size: 14px; line-height: 1.7; }
.engine-article section { padding-top: 44px; margin-top: 48px; border-top: 2px solid #cbdcc4; }
.engine-article section h3 { margin: 0 0 24px; padding: 15px 18px; border-left: 6px solid #72a95a; border-radius: 0 10px 10px 0; background: #edf5e7; font-size: clamp(26px, 1.45vw, 34px); font-weight: 750; line-height: 1.38; letter-spacing: -.035em; }
.engine-article section h4 { padding-left: 0; border-left: 0; font-size: 22px; font-weight: 700; }
.engine-article strong { color: #1d5937; }
.engine-article .engine-code { margin: 18px 0; border: 1px solid #557861; border-radius: 12px; overflow: hidden; background: #10251b; }
.engine-article .engine-code figcaption { display: flex; justify-content: space-between; gap: 14px; padding: 9px 14px; border-bottom: 1px solid #46634d; background: #224733; color: #f2f3df; font-size: 12.5px; font-weight: 600; letter-spacing: .04em; }
.engine-article .engine-code figcaption span { color: #c8e3b9; }
.engine-article .engine-code pre { margin: 0; padding: 15px 16px; overflow-x: auto; background: #10251b; }
.engine-article .engine-code.is-complete pre { max-height: 58rem; overflow-y: auto; }
.engine-article .engine-code code { padding: 0; border: 0; background: transparent; color: #e7efe2; font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace; font-size: 14.5px; line-height: 1.72; white-space: pre; word-break: normal; }
.engine-article .engine-code .tok-keyword { color: #d5a9f6; }
.engine-article .engine-code .tok-builtin { color: #87d6e8; }
.engine-article .engine-code .tok-constant { color: #e4b46e; }
.engine-article .engine-code .tok-number { color: #efbe78; }
.engine-article .engine-code .tok-string { color: #d7df8e; }
.engine-article .engine-code .tok-comment { color: #9bab9e; }
.engine-article .engine-code.is-complete code { white-space: pre-wrap; overflow-wrap: anywhere; }
.engine-article .reader-actions { margin-top: 42px; }
.engine-article .source-note { margin-top: 18px; font-size: 12px; color: #58755d; }

@media (max-width: 1250px) {
  .topic-list.inference-topics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 650px) {
  .topic-list.inference-topics { grid-template-columns: minmax(0, 1fr); }
  .engine-article .engine-code.is-complete pre { max-height: 36rem; }
  .engine-article > p, .engine-article section p, .engine-article section ul, .engine-article section ol { font-size: 17px; }
  .engine-article section h3 { font-size: 24px; padding: 13px 15px; }
  .engine-article .engine-code code { font-size: 13.5px; }
  .engine-article .engine-figure::after { content: "← 横向滑动查看完整示意图 →"; display: block; padding: 0 16px 12px; color: #647c68; font-size: 11px; }
}