/* Claude 指南：在 monk-ui.css 之上，把 ccbaga 的正文结构收进 Monk 令牌。亮暗跟 data-theme。 */
html { scroll-padding-top: 84px; }
.page { position: relative; z-index: 1; }
.page .wrap { max-width: var(--mk-maxw); margin: 0 auto; padding-left: var(--mk-gutter-l); padding-right: var(--mk-gutter-r); }

#themeBtn .t-moon { display: none; }
[data-theme="dark"] #themeBtn .t-sun { display: none; }
[data-theme="dark"] #themeBtn .t-moon { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #themeBtn .t-sun { display: none; }
  :root:not([data-theme="light"]) #themeBtn .t-moon { display: inline; }
}
.mk-actions a[aria-current="page"] { color: var(--mk-accent-ink); border-color: var(--mk-accent-line); }

.hero { padding: 56px 0 8px; text-align: center; }
.hero-grid { max-width: 760px; margin: 0 auto; }
.hero h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.08; font-weight: 900; letter-spacing: -.03em; margin: 0 0 14px; text-wrap: balance; }
.hero h1 em { font-style: normal; background: linear-gradient(100deg, #EA580C, var(--mk-accent) 40%, var(--mk-accent-2) 80%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow, .kicker { display: inline-flex; align-items: center; height: 26px; padding: 0 10px; margin-bottom: 16px; border-radius: var(--mk-r-full); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--mk-accent-ink); background: var(--mk-accent-soft); border: 1px solid var(--mk-accent-line); }
.hero .sub, .lede { font-size: clamp(16px, 2vw, 19px); line-height: 1.6; color: var(--mk-muted); margin: 0 auto; max-width: 640px; }
.hero-note { margin: 16px auto 0; font-size: 13.5px; color: var(--mk-subtle); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0; }
.hero .cta-row { justify-content: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 40px; padding: 0 16px; border-radius: var(--mk-r-sm);
  font-weight: 700; font-size: 14.5px; color: var(--mk-text);
  background: var(--mk-surface); border: 1px solid var(--mk-border); box-shadow: var(--mk-shadow-1);
  text-decoration: none;
}
.btn:hover { text-decoration: none; border-color: var(--mk-accent-line); }
.btn-primary { border: 0; color: #fff; background: linear-gradient(90deg, #EA580C, var(--mk-accent) 45%, var(--mk-accent-2)); box-shadow: 0 10px 30px -12px rgba(249, 115, 22, .7); }
.btn-ghost, .btn-outline { background: var(--mk-surface); color: var(--mk-text); }
.btn-lg { min-height: 52px; padding: 0 22px; border-radius: var(--mk-r-md); font-size: 16px; }
.btn-sm { min-height: 36px; padding: 0 12px; font-size: 13.5px; }

.page h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; letter-spacing: -.02em; margin: 0 0 8px; }
.sec-sub { color: var(--mk-muted); margin: 0 0 16px; }
.page > main, .page > section { padding-bottom: 8px; }
.page section { margin: 28px 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.hub-grid, .next-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 16px; }
.hub-card, .next-cards a {
  display: flex; flex-direction: column; gap: 6px; padding: 18px 18px 16px;
  background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: var(--mk-r-lg);
  color: var(--mk-text); text-decoration: none; box-shadow: var(--mk-shadow-1);
  transition: transform .35s var(--mk-ease), border-color .2s;
}
.hub-card:hover, .next-cards a:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--mk-accent-line); }
.hub-card .n { font-size: 11.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--mk-subtle); }
.hub-card h3, .next-cards b { margin: 0; font-size: 16.5px; font-weight: 700; line-height: 1.4; color: var(--mk-text); }
.hub-card p, .next-cards span { margin: 0; color: var(--mk-muted); font-size: 14px; line-height: 1.65; }
.hub-card .q { margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--mk-border); font-size: 12.5px; color: var(--mk-subtle); }
.next-cards b { color: var(--mk-accent-ink); }

.problems {
  background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: var(--mk-r-xl);
  padding: 28px 22px; box-shadow: var(--mk-shadow-1);
}
.problems h2 { text-align: center; margin-bottom: 16px; }
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ba-row { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border-radius: 12px; background: var(--mk-surface-2); border: 1px solid var(--mk-border); }
.ba-row.ok { background: var(--mk-ok-soft); border-color: color-mix(in srgb, var(--mk-ok) 35%, transparent); }
.ba-row b { display: block; font-size: 15px; }
.ba-row small { display: block; color: var(--mk-muted); font-size: 13px; margin-top: 2px; }
.ba-row .x, .ba-row .v { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 13px; }
.x { background: color-mix(in srgb, #ef4444 16%, transparent); color: #f87171; }
.v { background: var(--mk-ok-soft); color: var(--mk-ok); }
.flow { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; list-style: none; padding: 0; margin: 16px 0 0; }
.flow li { background: var(--mk-surface-2); border: 1px solid var(--mk-border); border-radius: var(--mk-r-full); padding: 6px 12px; font-size: 14px; }

.dl-grid { display: grid; gap: 12px; }
.dl { display: flex; align-items: center; gap: 16px; padding: 16px 18px; background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: var(--mk-r-lg); box-shadow: var(--mk-shadow-1); }
.dl .ic { flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--mk-surface-2); border: 1px solid var(--mk-border); }
.dl .body { min-width: 0; flex: 1; }
.dl .os { font-weight: 750; font-size: 16px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.dl .req, .app .pill, .duo-card .pill { font-size: 12px; font-weight: 650; color: var(--mk-muted); border: 1px solid var(--mk-border); background: var(--mk-surface-2); padding: 1px 8px; border-radius: var(--mk-r-full); }
.dl .file { font-family: var(--mk-mono); font-size: 12.5px; color: var(--mk-muted); margin-top: 4px; word-break: break-all; }
.dl .sub { font-size: 13.5px; color: var(--mk-muted); margin-top: 4px; }
.dl .act { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.dl .size { font-size: 12px; color: var(--mk-subtle); }
.dl .size a { color: var(--mk-accent-ink); }

.note, .callout, .kfacts {
  border: 1px solid var(--mk-border); background: var(--mk-surface-2); border-radius: var(--mk-r-md);
  padding: 14px 16px; color: var(--mk-text-2); font-size: 14.5px; line-height: 1.7;
}
.note + .note, .callout { margin-top: 10px; }
.note b, .callout b, .answer b { color: var(--mk-text); }
.note.warn, .callout.warn { background: var(--mk-warn-soft); border-color: color-mix(in srgb, var(--mk-warn) 35%, transparent); color: var(--mk-text-2); }
.note ul, .callout ul { margin: 8px 0 0; padding-left: 1.2em; }

details.faq { background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: var(--mk-r-md); }
details.faq + details.faq { margin-top: 10px; }
details.faq summary { cursor: pointer; padding: 14px 16px; font-weight: 700; list-style: none; display: flex; align-items: center; gap: 10px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::before { content: ""; width: 7px; height: 7px; border-right: 2px solid var(--mk-subtle); border-bottom: 2px solid var(--mk-subtle); transform: rotate(-45deg); flex: none; }
details.faq[open] summary::before { transform: rotate(45deg); }
details.faq .ans { padding: 0 16px 14px 34px; color: var(--mk-text-2); font-size: 14.5px; }
details.faq .ans p { margin: 0 0 8px; }
details.faq .ans p:last-child { margin: 0; }

.doc { max-width: 760px; margin: 0 auto; padding: 8px var(--mk-gutter-r) 24px var(--mk-gutter-l); }
.crumbs { font-size: 13px; color: var(--mk-subtle); padding-top: 22px; }
.crumbs a { color: var(--mk-muted); }
.crumbs i { font-style: normal; margin: 0 6px; }
.doc h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.2; font-weight: 850; letter-spacing: -.02em; margin: 10px 0 12px; text-wrap: balance; }
.standfirst { font-size: 17px; line-height: 1.7; color: var(--mk-text-2); margin: 0; }
.doc-meta { font-size: 13px; color: var(--mk-subtle); margin: 14px 0 0; padding-bottom: 16px; border-bottom: 1px solid var(--mk-border); }
.answer { background: var(--mk-surface); border: 1px solid var(--mk-border); border-left: 3px solid var(--mk-accent); border-radius: var(--mk-r-md); padding: 16px 18px; margin: 22px 0; }
.answer > b { display: block; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--mk-accent-ink); margin-bottom: 8px; }
.answer p { margin: 0; }
.answer p + p { margin-top: 8px; }
.toc { background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: var(--mk-r-md); padding: 14px 18px; margin: 0 0 8px; }
.toc > b { font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--mk-subtle); }
.toc ol { margin: 8px 0 0; padding-left: 1.2em; }
.toc li { margin: 4px 0; }
.doc h2 { margin: 36px 0 10px; scroll-margin-top: 88px; }
.doc h3 { font-size: 17px; margin: 22px 0 8px; }
.doc p, .doc li { font-size: 15.5px; line-height: 1.75; color: var(--mk-text-2); }
.doc p { margin: 0 0 14px; }
.doc ul, .doc ol { margin: 0 0 16px; padding-left: 1.3em; }
.doc li { margin: 6px 0; }
.doc :where(p, li, td, .answer, .callout, .note, .crumbs) a { color: var(--mk-accent-ink); }
.doc :where(p, li, td, .answer, .callout, .note, .crumbs) a:hover { text-decoration: underline; }
.doc code, .note code, .callout code, p code, li code { font-family: var(--mk-mono); font-size: .86em; background: var(--mk-surface-3); padding: 1px 5px; border-radius: 4px; word-break: break-word; }
.tbl-wrap, .table-wrap { overflow-x: auto; margin: 16px 0; border: 1px solid var(--mk-border); border-radius: var(--mk-r-md); background: var(--mk-surface); }
.doc table, table.cmp { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 520px; }
.doc th, .doc td, table.cmp th, table.cmp td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--mk-border); vertical-align: top; line-height: 1.6; }
.doc thead th, table.cmp thead th { background: var(--mk-surface-2); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; color: var(--mk-subtle); }
.doc tbody tr:last-child td, table.cmp tbody tr:last-child td { border-bottom: 0; }
table.cmp td.good { color: var(--mk-ok); font-weight: 650; }
table.cmp td.bad { color: #f87171; font-weight: 650; }
.checklist { list-style: none; margin: 16px 0; padding: 0; }
.checklist li { position: relative; padding-left: 26px; }
.checklist li::before { content: "☐"; position: absolute; left: 0; color: var(--mk-subtle); }
.doc-end { margin-top: 28px; padding-top: 8px; border-top: 1px solid var(--mk-border); }
.boundary { margin-top: 18px; padding: 16px 18px; border-radius: var(--mk-r-lg); background: var(--mk-surface-2); border: 1px solid var(--mk-border); color: var(--mk-text-2); }
.decide { display: grid; gap: 10px; margin-top: 16px; }
.decide div { padding: 12px 14px; background: var(--mk-surface); border: 1px solid var(--mk-border); border-radius: var(--mk-r-md); color: var(--mk-text-2); }

.mk-footer { margin-top: 48px; }
.mk-footer .src-note { display: grid; gap: 10px; max-width: 760px; }
.mk-footer .src-note b { color: var(--mk-text); }
.mk-footer .fine { color: var(--mk-subtle); font-size: 12.5px; line-height: 1.7; }
.mk-footer .foot-links { margin-top: 16px; }
.mk-footer .foot-links a { color: var(--mk-muted); }
.miss { min-height: 70vh; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 12px; padding-top: 48px; }

@media (max-width: 720px) {
  .ba { grid-template-columns: 1fr; }
  .dl { flex-wrap: wrap; }
  .dl .act { width: 100%; flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; }
  .hero { padding-top: 36px; }
  .hero h1 { font-size: clamp(32px, 9vw, 44px); }
}
@media (prefers-reduced-motion: reduce) {
  .hub-card, .next-cards a { transition: none; }
}