:root {
  --pub-ink: #1b1c21;
  --pub-muted: #696a73;
  --pub-paper: #f3f0ea;
  --pub-line: rgba(27,28,33,.15);
  --pub-blue: #2f61d7;
  --pub-purple: #8a68ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.publication-page { margin: 0; background: var(--pub-paper); color: var(--pub-ink); font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif; }
.publication-page .top-title { position: fixed; z-index: 80; inset: 0 0 auto; }
.pub-main { padding-top: 72px; }
.pub-cover { min-height: calc(100vh - 72px); padding: clamp(62px,8vw,120px) max(5vw,32px) 54px; background: #15161b; color: #fff; }
.pub-cover-grid { display: grid; grid-template-columns: minmax(0,.72fr) minmax(520px,1.28fr); gap: clamp(42px,6vw,100px); align-items: center; max-width: 1600px; margin: 0 auto; }
.pub-eyebrow,.pub-index { margin: 0 0 18px; color: #769fff; font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.pub-cover h1 { max-width: 690px; margin: 0; font-size: clamp(54px,5.6vw,94px); line-height: .94; letter-spacing: -.07em; }
.pub-cover h1 span { color: #a990ff; }
.pub-cover-lead { max-width: 620px; margin: 30px 0 0; color: rgba(255,255,255,.65); font-size: clamp(15px,1.2vw,19px); line-height: 1.9; }
.pub-cover-meta { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); max-width: 650px; margin-top: 38px; border: solid rgba(255,255,255,.14); border-width: 1px 0 0 1px; }
.pub-cover-meta div { padding: 16px; border: solid rgba(255,255,255,.14); border-width: 0 1px 1px 0; }
.pub-cover-meta dt { color: rgba(255,255,255,.42); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.pub-cover-meta dd { margin: 7px 0 0; font-size: 12px; line-height: 1.55; }
.pub-cover-visual { margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 22px; box-shadow: 0 45px 110px rgba(0,0,0,.5); }
.pub-cover-visual img { display: block; width: 100%; height: auto; }
.pub-cover-visual figcaption { display: flex; justify-content: space-between; gap: 18px; padding: 15px 18px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.5); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.pub-cover-visual b { color: #fff; }

.pub-shell { display: grid; grid-template-columns: 210px minmax(0,1fr); gap: clamp(42px,5vw,86px); width: min(1500px,calc(100% - 48px)); margin: 0 auto; padding: 100px 0 120px; }
.pub-toc { position: sticky; top: 108px; align-self: start; display: flex; flex-direction: column; border-left: 1px solid var(--pub-line); }
.pub-toc p { margin: 0 0 12px; padding-left: 15px; color: #92939b; font-size: 9px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.pub-toc a { padding: 9px 15px; border-left: 2px solid transparent; color: #85868f; font-size: 11px; font-weight: 680; text-decoration: none; }
.pub-toc a:hover,.pub-toc a.is-active { border-left-color: var(--pub-blue); color: var(--pub-blue); }
.pub-content { min-width: 0; }
.pub-section { scroll-margin-top: 104px; padding-bottom: 90px; }
.pub-section + .pub-section { padding-top: 90px; border-top: 1px solid var(--pub-line); }
.pub-section h2 { max-width: 1040px; margin: 0; font-size: clamp(44px,5vw,76px); line-height: 1.02; letter-spacing: -.055em; }
.pub-section h3 { margin: 0; font-size: clamp(24px,2.5vw,38px); line-height: 1.12; letter-spacing: -.035em; }
.pub-lead { max-width: 920px; margin: 28px 0 0; color: var(--pub-muted); font-size: 16px; line-height: 1.95; }
.pub-note { margin-top: 34px; padding: 22px 24px; border-left: 3px solid var(--pub-purple); background: #ebe6ff; font-size: 14px; line-height: 1.8; }

.pub-grid-2,.pub-grid-3,.pub-grid-4 { display: grid; gap: 14px; margin-top: 38px; }
.pub-grid-2 { grid-template-columns: repeat(2,minmax(0,1fr)); }
.pub-grid-3 { grid-template-columns: repeat(3,minmax(0,1fr)); }
.pub-grid-4 { grid-template-columns: repeat(4,minmax(0,1fr)); }
.pub-card { min-height: 220px; padding: 26px; border: 1px solid var(--pub-line); background: rgba(255,255,255,.46); }
.pub-card > span { color: var(--pub-blue); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.pub-card h3 { margin-top: 38px; font-size: 22px; }
.pub-card p { margin: 14px 0 0; color: var(--pub-muted); font-size: 12px; line-height: 1.78; }
.pub-card.is-dark { background: #1a1b20; color: #fff; }
.pub-card.is-dark p { color: rgba(255,255,255,.56); }

.pub-architecture { display: grid; grid-template-columns: repeat(6,minmax(110px,1fr)); margin-top: 42px; overflow-x: auto; border: solid var(--pub-line); border-width: 1px 0 0 1px; }
.pub-architecture article { min-height: 250px; padding: 20px; border: solid var(--pub-line); border-width: 0 1px 1px 0; background: #fff; }
.pub-architecture span { color: var(--pub-blue); font-size: 9px; font-weight: 800; }
.pub-architecture b { display: block; margin-top: 48px; font-size: 18px; }
.pub-architecture p { margin: 12px 0 0; color: var(--pub-muted); font-size: 11px; line-height: 1.65; }
.pub-architecture article:nth-child(n+4) { background: #1a1b20; color: #fff; }
.pub-architecture article:nth-child(n+4) p { color: rgba(255,255,255,.52); }

.pub-figure { margin: 42px 0 0; overflow: hidden; border: 1px solid var(--pub-line); border-radius: 18px; background: #15161b; }
.pub-figure img { display: block; width: 100%; height: auto; }
.pub-figure figcaption { display: flex; justify-content: space-between; gap: 20px; padding: 16px 20px; color: rgba(255,255,255,.58); font-size: 10px; }
.pub-figure figcaption b { color: #fff; }

.pub-table { width: 100%; margin-top: 38px; border-collapse: collapse; background: rgba(255,255,255,.38); }
.pub-table th,.pub-table td { padding: 18px; border: 1px solid var(--pub-line); text-align: left; vertical-align: top; font-size: 12px; line-height: 1.7; }
.pub-table th { color: var(--pub-blue); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.pub-table td:first-child { font-weight: 750; }
.pub-flow { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); margin-top: 42px; border: solid var(--pub-line); border-width: 1px 0 0 1px; }
.pub-flow article { min-height: 190px; padding: 24px; border: solid var(--pub-line); border-width: 0 1px 1px 0; background: #1a1b20; color: #fff; }
.pub-flow span { color: #a990ff; font-size: 10px; font-weight: 800; }
.pub-flow b { display: block; margin-top: 38px; font-size: 17px; }
.pub-flow p { margin: 12px 0 0; color: rgba(255,255,255,.52); font-size: 11px; line-height: 1.65; }

.pub-rule-row { display: grid; grid-template-columns: 180px 1fr; gap: 32px; padding: 28px 0; border-top: 1px solid var(--pub-line); }
.pub-rule-row:first-of-type { margin-top: 38px; }
.pub-rule-row b { font-size: 15px; }
.pub-rule-row p { margin: 0; color: var(--pub-muted); font-size: 13px; line-height: 1.85; }
.pub-state-strip { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 10px; margin-top: 38px; }
.pub-state-strip div { min-height: 130px; padding: 18px; border: 1px solid var(--pub-line); background: #fff; }
.pub-state-strip span { display: block; width: 12px; height: 12px; border-radius: 50%; background: #d7d7dd; }
.pub-state-strip b { display: block; margin-top: 38px; font-size: 12px; }
.pub-state-strip small { display: block; margin-top: 8px; color: var(--pub-muted); font-size: 9px; line-height: 1.5; }
.pub-state-strip div:nth-child(2) span { background: var(--pub-blue); }
.pub-state-strip div:nth-child(3) span { box-shadow: 0 0 0 4px rgba(47,97,215,.2); background: var(--pub-blue); }
.pub-state-strip div:nth-child(4) span { background: #ef5c61; }
.pub-state-strip div:nth-child(5) span { background: #b4b5bc; }
.pub-state-strip div:nth-child(6) span { background: #8a68ff; }

.pub-checklist { list-style: none; margin: 38px 0 0; padding: 0; border-top: 1px solid var(--pub-line); }
.pub-checklist li { display: grid; grid-template-columns: 44px minmax(180px,.65fr) minmax(0,1.35fr); gap: 18px; align-items: start; padding: 19px 0; border-bottom: 1px solid var(--pub-line); }
.pub-checklist span { color: var(--pub-blue); font-size: 10px; font-weight: 800; }
.pub-checklist b { font-size: 13px; }
.pub-checklist small { color: var(--pub-muted); font-size: 11px; line-height: 1.7; }
.pub-source-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); margin-top: 38px; border: solid var(--pub-line); border-width: 1px 0 0 1px; }
.pub-source-list > a { min-height: 210px; display: flex; flex-direction: column; padding: 24px; color: inherit; border: solid var(--pub-line); border-width: 0 1px 1px 0; background: rgba(255,255,255,.42); text-decoration: none; }
.pub-source-list > a:hover { background: #fff; }
.pub-source-list span { color: var(--pub-blue); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.pub-source-list b { margin-top: 42px; font-size: 18px; }
.pub-source-list small { margin-top: 11px; color: var(--pub-muted); font-size: 10px; line-height: 1.65; }
.pub-baseline-groups { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); margin-top: 38px; border: solid var(--pub-line); border-width: 1px 0 0 1px; }
.pub-baseline-groups > article { min-height: 410px; display: flex; flex-direction: column; padding: 28px; border: solid var(--pub-line); border-width: 0 1px 1px 0; background: rgba(255,255,255,.42); }
.pub-baseline-groups span { color: var(--pub-blue); font-size: 9px; font-weight: 800; letter-spacing: .13em; }
.pub-baseline-groups h3 { margin-top: 36px; font-size: 25px; }
.pub-baseline-groups ul { margin: 22px 0 28px; padding-left: 18px; color: var(--pub-muted); }
.pub-baseline-groups li { margin-bottom: 12px; font-size: 12px; line-height: 1.75; }
.pub-baseline-groups a { margin-top: auto; color: var(--pub-blue); font-size: 11px; font-weight: 730; text-decoration: none; }
.pub-inline-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: auto; }
.pub-component-proof { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); margin-top: 38px; border: 1px solid var(--pub-line); background: #fff; }
.pub-component-proof figure { min-width: 0; margin: 0; padding: 22px; background: #e9e6df; border-right: 1px solid var(--pub-line); }
.pub-component-proof img { display: block; width: 100%; height: 100%; max-height: 620px; object-fit: contain; object-position: top; box-shadow: 0 14px 32px rgba(20,20,24,.12); }
.pub-component-proof > div { padding: clamp(26px,4vw,52px); }
.pub-component-proof h3 { margin-top: 28px; }
.pub-component-proof ul { margin: 24px 0 0; padding-left: 18px; color: var(--pub-muted); }
.pub-component-proof li { margin-bottom: 11px; font-size: 12px; line-height: 1.7; }
.pub-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 38px; }
.pub-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border: 1px solid var(--pub-ink); color: var(--pub-ink); font-size: 12px; font-weight: 750; text-decoration: none; }
.pub-button.is-primary { border-color: var(--pub-blue); background: var(--pub-blue); color: #fff; }
.pub-footer { display: flex; justify-content: space-between; gap: 20px; padding: 28px max(5vw,32px); background: #121318; color: rgba(255,255,255,.5); font-size: 10px; }
.pub-footer a { color: #fff; text-decoration: none; }

@media (max-width: 1180px) {
  .pub-cover-grid,.pub-shell { grid-template-columns: 1fr; }
  .pub-toc { z-index: 20; top: 72px; flex-direction: row; overflow-x: auto; margin: 0 -24px; padding: 0 24px; border-left: 0; background: rgba(243,240,234,.96); backdrop-filter: blur(14px); }
  .pub-toc p { display: none; }
  .pub-toc a { flex: 0 0 auto; border-left: 0; border-bottom: 2px solid transparent; }
  .pub-grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .pub-source-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 820px) {
  .publication-page .top-title { height: 64px !important; padding: 0 18px !important; }
  .publication-page .top-title nav { display: none !important; }
  .publication-page .float-back-btn { top: auto !important; right: 14px !important; bottom: 18px !important; left: auto !important; }
  .pub-main { padding-top: 64px; }
  .pub-cover { min-height: 0; padding: 58px 20px 38px; }
  .pub-cover h1 { font-size: clamp(46px,13vw,68px); }
  .pub-cover-meta { grid-template-columns: 1fr; }
  .pub-cover-visual { border-radius: 13px; }
  .pub-shell { width: min(100% - 28px,1500px); padding: 52px 0 80px; }
  .pub-toc { top: 64px; margin-inline: -14px; padding-inline: 14px; }
  .pub-section { padding-bottom: 70px; }
  .pub-section + .pub-section { padding-top: 70px; }
  .pub-section h2 { font-size: 42px; }
  .pub-grid-2,.pub-grid-3,.pub-grid-4 { grid-template-columns: 1fr; }
  .pub-source-list,.pub-baseline-groups,.pub-component-proof { grid-template-columns: 1fr; }
  .pub-component-proof figure { min-height: 340px; border-right: 0; border-bottom: 1px solid var(--pub-line); }
  .pub-flow { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .pub-flow article:last-child { grid-column: 1 / -1; }
  .pub-rule-row { grid-template-columns: 1fr; gap: 10px; }
  .pub-state-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .pub-checklist li { grid-template-columns: 32px 1fr; }
  .pub-checklist small { grid-column: 2; }
}
@media (max-width: 520px) {
  .pub-cover { padding-inline: 16px; }
  .pub-cover h1 { font-size: 43px; }
  .pub-cover-lead { font-size: 14px; line-height: 1.75; }
  .pub-cover-visual figcaption,.pub-figure figcaption { align-items: flex-start; flex-direction: column; }
  .pub-flow,.pub-state-strip { grid-template-columns: 1fr; }
  .pub-flow article:last-child { grid-column: auto; }
  .pub-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }