/* ═══════════════════════════════════════════════
   Shuyun Universe — Detail Page Shared Styles
   detail.css
════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --chalk: #F5F2EE; --sand-veil: #E8E2D8; --warm-drift: #C4B49A;
  --mist: #9EA8B2; --deep-current: #4A5C6B; --abyssal: #1C2B35;
  --lacquer: #6B2737; --antique-gold: #B8955A; --pale-gold: #D4BA7E;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
}
html { font-size: 16px; scroll-behavior: smooth; }
body { background: var(--chalk); color: var(--abyssal); font-family: var(--sans); font-weight: 300; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ── Navigation ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; height: 64px; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 56px; background: rgba(28,43,53,0.95); backdrop-filter: blur(16px);
}
.nav-logo { font-family: var(--serif); font-size: 18px; font-weight: 300; color: var(--chalk); letter-spacing: 0.08em; }
.nav-logo span { color: var(--antique-gold); }
.nav-service-tag { font-family: var(--sans); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(158,168,178,0.45); }
.nav-back { font-family: var(--sans); font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--mist); display: flex; align-items: center; gap: 8px; transition: color 0.3s; }
.nav-back:hover { color: var(--chalk); }
.nav-back::before { content: '←'; font-size: 14px; }
.nav-lang { display: flex; align-items: center; gap: 10px; font-family: var(--sans); font-size: 10px; font-weight: 300; letter-spacing: 0.1em; color: rgba(158,168,178,0.4); }
.nav-lang span { cursor: pointer; transition: color 0.25s; }
.nav-lang span:hover, .nav-lang span.active { color: var(--antique-gold); }
.nav-lang-sep { opacity: 0.25; }

/* ── Layout ── */
.dp-inner { max-width: 1200px; margin: 0 auto; padding: 0 56px; }
.dp-section { padding: 128px 0; }
.dp-section.chalk { background: var(--chalk); }
.dp-section.sand  { background: var(--sand-veil); }
.dp-section.dark  { background: var(--abyssal); }

/* ── Section Label ── */
.dp-label {
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--antique-gold); display: flex; align-items: center; gap: 20px; margin-bottom: 72px;
}
.dp-label::after { content: ''; flex: 1; height: 1px; background: rgba(184,149,90,0.18); max-width: 200px; }
.dp-label.light::after { background: rgba(184,149,90,0.15); }

/* ── Hero ── */
.dp-hero {
  min-height: 100vh; background: var(--abyssal);
  display: flex; flex-direction: column; justify-content: flex-end;
  position: relative; overflow: hidden; padding-top: 64px;
}
.dp-hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 90% 65% at 15% 60%, rgba(74,92,107,0.28) 0%, transparent 55%),
    radial-gradient(ellipse 55% 45% at 88% 22%, rgba(107,39,55,0.07) 0%, transparent 50%);
}
.dp-hero-inner { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 80px 56px 96px; width: 100%; }
.dp-hero-crumb {
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(158,168,178,0.4); margin-bottom: 72px; display: flex; align-items: center; gap: 12px;
}
.dp-hero-crumb a { transition: color 0.3s; }
.dp-hero-crumb a:hover { color: var(--antique-gold); }
.dp-hero-crumb .sep { color: rgba(184,149,90,0.3); }
.dp-hero-service-label {
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--antique-gold); margin-bottom: 36px;
}
.dp-hero-h1 {
  font-family: var(--serif); font-size: clamp(38px, 5.8vw, 80px); font-weight: 300;
  color: var(--chalk); line-height: 1.1; letter-spacing: -0.01em;
  max-width: 920px; margin-bottom: 44px;
}
.dp-hero-h1 em { font-style: italic; color: var(--antique-gold); }
.dp-hero-cn {
  font-family: var(--serif); font-size: clamp(14px, 1.5vw, 18px); font-weight: 300;
  color: var(--mist); letter-spacing: 0.07em; line-height: 1.85; max-width: 560px; margin-bottom: 10px;
}
.dp-hero-fr { font-family: var(--sans); font-size: 11px; font-weight: 200; font-style: italic; color: rgba(158,168,178,0.38); letter-spacing: 0.07em; }
.dp-hero-rule { width: 40px; height: 1px; background: var(--antique-gold); opacity: 0.45; margin-top: 60px; }

/* ── Two-column layout ── */
.dp-two-col { display: grid; grid-template-columns: 5fr 7fr; gap: 96px; align-items: start; }

/* ── Typography ── */
.dp-lead {
  font-family: var(--serif); font-size: clamp(22px, 2.4vw, 31px); font-weight: 300;
  line-height: 1.45; color: var(--abyssal); letter-spacing: -0.005em;
}
.dp-lead.light { color: var(--chalk); }
.dp-lead em { font-style: italic; color: var(--antique-gold); }
.dp-body { font-family: var(--sans); font-size: 15px; font-weight: 300; color: var(--deep-current); line-height: 1.88; }
.dp-body.light { color: rgba(158,168,178,0.8); }
.dp-body + .dp-body { margin-top: 20px; }
.dp-body-cn {
  font-family: var(--serif); font-size: 14px; color: var(--deep-current); line-height: 1.95;
  letter-spacing: 0.04em; margin-top: 28px; padding-top: 24px; border-top: 1px solid rgba(196,180,154,0.3);
}
.dp-body-cn.light { color: rgba(158,168,178,0.7); border-top-color: rgba(158,168,178,0.1); }

/* ── Problem Grid ── */
.dp-problems { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(158,168,178,0.1); }
.dp-problem {
  padding: 44px 36px; background: var(--abyssal);
  border-bottom: 2px solid transparent; transition: border-color 0.35s;
}
.dp-problem:hover { border-bottom-color: rgba(184,149,90,0.5); }
.dp-problem-num { font-family: var(--serif); font-size: 30px; font-weight: 300; color: rgba(184,149,90,0.22); line-height: 1; margin-bottom: 18px; }
.dp-problem-title { font-family: var(--serif); font-size: 17px; font-weight: 300; color: var(--chalk); line-height: 1.4; margin-bottom: 10px; }
.dp-problem-cn { font-family: var(--serif); font-size: 13px; color: var(--mist); line-height: 1.75; letter-spacing: 0.04em; }

/* ── Approach Steps ── */
.dp-step {
  display: grid; grid-template-columns: 88px 1fr; gap: 56px;
  padding: 52px 0; border-bottom: 1px solid rgba(196,180,154,0.25); align-items: start;
}
.dp-step:first-child { border-top: 1px solid rgba(196,180,154,0.25); }
.dp-step-num { font-family: var(--serif); font-size: 44px; font-weight: 300; color: rgba(184,149,90,0.25); line-height: 1; }
.dp-step-title { font-family: var(--serif); font-size: 22px; font-weight: 300; color: var(--abyssal); margin-bottom: 14px; }
.dp-step-body { font-family: var(--sans); font-size: 14px; font-weight: 300; color: var(--deep-current); line-height: 1.88; }
.dp-step-cn { font-family: var(--serif); font-size: 13px; color: rgba(74,92,107,0.75); letter-spacing: 0.04em; line-height: 1.85; margin-top: 12px; }

/* ── Case Essays ── */
.dp-case {
  display: grid; grid-template-columns: 210px 1fr; gap: 72px;
  padding: 72px 0; border-bottom: 1px solid rgba(158,168,178,0.12); align-items: start;
}
.dp-case:first-child { border-top: 1px solid rgba(158,168,178,0.12); }
.dp-case-type { font-family: var(--sans); font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--antique-gold); margin-bottom: 14px; }
.dp-case-title { font-family: var(--serif); font-size: 24px; font-weight: 300; color: var(--chalk); line-height: 1.25; margin-bottom: 8px; }
.dp-case-loc { font-family: var(--sans); font-size: 11px; font-weight: 200; font-style: italic; color: rgba(158,168,178,0.45); }
.dp-case-body { font-family: var(--serif); font-size: 16px; font-weight: 300; color: var(--sand-veil); line-height: 1.92; }
.dp-case-body p + p { margin-top: 18px; }
.dp-case-cn { font-family: var(--serif); font-size: 13px; color: rgba(158,168,178,0.6); line-height: 1.85; letter-spacing: 0.04em; margin-top: 20px; }
.dp-case-outcome {
  margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(158,168,178,0.1);
  font-family: var(--sans); font-size: 11px; font-weight: 300;
  color: rgba(184,149,90,0.6); letter-spacing: 0.07em;
}

/* ── Collaboration Formats ── */
.dp-formats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: rgba(196,180,154,0.3); }
.dp-format { background: var(--chalk); padding: 52px 48px; }
.dp-format-tag { font-family: var(--sans); font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--antique-gold); margin-bottom: 18px; }
.dp-format-title { font-family: var(--serif); font-size: 23px; font-weight: 300; color: var(--abyssal); margin-bottom: 4px; }
.dp-format-cn { font-family: var(--serif); font-size: 15px; color: var(--antique-gold); letter-spacing: 0.06em; display: block; margin-bottom: 20px; }
.dp-format-body { font-family: var(--sans); font-size: 13px; font-weight: 300; color: var(--deep-current); line-height: 1.85; }
.dp-format-note { margin-top: 20px; font-family: var(--sans); font-size: 11px; font-weight: 200; font-style: italic; color: var(--mist); letter-spacing: 0.05em; }

/* ── CTA ── */
.dp-cta { background: var(--abyssal); padding: 136px 0; text-align: center; }
.dp-cta-eyebrow { font-family: var(--sans); font-size: 9px; letter-spacing: 0.25em; text-transform: uppercase; color: var(--antique-gold); margin-bottom: 44px; }
.dp-cta-h {
  font-family: var(--serif); font-size: clamp(28px, 3.5vw, 48px); font-weight: 300;
  color: var(--chalk); line-height: 1.35; max-width: 640px; margin: 0 auto 64px;
}
.dp-cta-h em { font-style: italic; color: rgba(184,149,90,0.65); }
.dp-cta-links { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }
.dp-cta-link {
  font-family: var(--serif); font-size: clamp(18px, 2vw, 26px); font-weight: 300;
  letter-spacing: 0.04em; color: var(--antique-gold);
  border-bottom: 1px solid rgba(184,149,90,0.3);
  padding: 0 40px 10px; transition: color 0.3s, border-color 0.3s;
}
.dp-cta-link:hover { color: var(--pale-gold); border-bottom-color: var(--pale-gold); }
.dp-cta-sep { color: rgba(184,149,90,0.18); padding: 0 8px; font-family: var(--serif); font-size: clamp(18px, 2vw, 26px); line-height: 1; }
.dp-cta-note { margin-top: 52px; font-family: var(--serif); font-size: 14px; font-style: italic; color: rgba(158,168,178,0.4); }
.dp-cta-diag { margin-top: 24px; font-family: var(--sans); font-size: 11px; letter-spacing: 0.06em; color: rgba(158,168,178,0.35); }
.dp-cta-diag a { color: rgba(184,149,90,0.65); text-decoration: none; border-bottom: 1px solid rgba(184,149,90,0.2); padding-bottom: 1px; transition: color 0.2s, border-bottom-color 0.2s; }
.dp-cta-diag a:hover { color: var(--pale-gold); border-bottom-color: var(--pale-gold); }

/* ── Featured Case (large-title case essay) ── */
.dp-featured-case { padding-top: 8px; }
.dp-featured-case-meta { display: flex; align-items: center; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.dp-featured-case-type { font-family: var(--sans); font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--antique-gold); }
.dp-featured-case-loc { font-family: var(--sans); font-size: 11px; font-weight: 200; font-style: italic; color: rgba(158,168,178,0.45); }
.dp-featured-case-title {
  font-family: var(--serif); font-size: clamp(38px, 5.5vw, 72px); font-weight: 300;
  color: var(--chalk); line-height: 1.08; letter-spacing: -0.01em;
  max-width: 860px; margin-bottom: 52px;
}
.dp-case-img-frame {
  width: 100%; aspect-ratio: 16 / 9;
  background: rgba(74,92,107,0.18); border: 1px solid rgba(158,168,178,0.1);
  position: relative; overflow: hidden; margin-bottom: 60px;
}
.dp-case-img-frame::before {
  content: ''; position: absolute; inset: 20px;
  border: 1px solid rgba(158,168,178,0.06);
}
.dp-case-img-inner {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.3em;
  text-transform: uppercase; color: rgba(158,168,178,0.18);
}
.dp-featured-case-body {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-bottom: 48px;
}
.dp-featured-case-body p {
  font-family: var(--serif); font-size: 16px; font-weight: 300;
  color: var(--sand-veil); line-height: 1.92;
}
.dp-featured-case-body p + p { margin-top: 20px; }
.dp-featured-case-cn {
  font-family: var(--serif); font-size: 13px; color: rgba(158,168,178,0.6);
  line-height: 1.85; letter-spacing: 0.04em; margin-top: 24px;
  padding-top: 20px; border-top: 1px solid rgba(158,168,178,0.08);
}

/* ── Footer ── */
.dp-foot { background: var(--abyssal); border-top: 1px solid rgba(158,168,178,0.08); padding: 52px 0; }
.dp-foot-inner { max-width: 1200px; margin: 0 auto; padding: 0 56px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.dp-foot-logo { font-family: var(--serif); font-size: 15px; font-weight: 300; color: var(--chalk); letter-spacing: 0.08em; }
.dp-foot-links { display: flex; gap: 32px; flex-wrap: wrap; }
.dp-foot-links a { font-family: var(--sans); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(158,168,178,0.4); transition: color 0.3s; }
.dp-foot-links a:hover { color: var(--chalk); }
.dp-foot-copy { font-family: var(--sans); font-size: 10px; font-weight: 200; color: rgba(158,168,178,0.25); }

/* ── Responsive ── */
@media (max-width: 900px) {
  nav { padding: 0 24px; }
  .dp-inner { padding: 0 24px; }
  .dp-hero-inner { padding: 80px 24px 72px; }
  .dp-section { padding: 80px 0; }
  .dp-two-col { grid-template-columns: 1fr; gap: 40px; }
  .dp-problems { grid-template-columns: 1fr 1fr; }
  .dp-step { grid-template-columns: 56px 1fr; gap: 24px; }
  .dp-case { grid-template-columns: 1fr; gap: 20px; }
  .dp-formats { grid-template-columns: 1fr; }
  .dp-foot-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .nav-service-tag { display: none; }
}
@media (max-width: 600px) {
  .dp-problems { grid-template-columns: 1fr; }
  .dp-hero-h1 { font-size: clamp(32px, 8vw, 48px); }
}

/* ── Founder Advisory: Recognition scenarios ── */
.dp-recognize-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: rgba(196,180,154,0.25); margin-top: 56px;
}
.dp-recognize-item {
  background: var(--chalk); padding: 44px 40px;
  border-left: 2px solid transparent; transition: border-color 0.3s, background 0.3s;
}
.dp-recognize-item:hover { border-left-color: var(--antique-gold); background: #f0ece6; }
.dp-recognize-mark {
  font-family: var(--serif); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: rgba(184,149,90,0.4); margin-bottom: 16px;
}
.dp-recognize-en {
  font-family: var(--serif); font-size: 17px; font-weight: 300;
  color: var(--abyssal); line-height: 1.55; margin-bottom: 14px;
}
.dp-recognize-cn {
  font-family: var(--serif); font-size: 13px; color: var(--mist);
  line-height: 1.85; letter-spacing: 0.04em;
}

/* ── Founder Advisory: 6-month arc ── */
.dp-arc { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: rgba(196,180,154,0.3); }
.dp-arc-phase { background: var(--chalk); padding: 48px 36px; }
.dp-arc-phase:first-child { border-top: 3px solid var(--antique-gold); }
.dp-arc-num {
  font-family: var(--serif); font-size: 38px; font-weight: 300;
  color: rgba(184,149,90,0.22); line-height: 1; margin-bottom: 20px;
}
.dp-arc-phase-label {
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--antique-gold); margin-bottom: 10px;
}
.dp-arc-phase-title {
  font-family: var(--serif); font-size: 20px; font-weight: 300;
  color: var(--abyssal); margin-bottom: 6px; line-height: 1.3;
}
.dp-arc-phase-cn {
  font-family: var(--serif); font-size: 13px; color: var(--antique-gold);
  letter-spacing: 0.07em; margin-bottom: 20px; display: block;
}
.dp-arc-list { list-style: none; padding: 0; }
.dp-arc-list li {
  font-family: var(--sans); font-size: 12px; font-weight: 300; color: var(--deep-current);
  padding: 8px 0; border-bottom: 1px solid rgba(196,180,154,0.2);
  display: flex; gap: 10px; line-height: 1.6;
}
.dp-arc-list li::before { content: '—'; color: var(--antique-gold); opacity: 0.6; flex-shrink: 0; }
.dp-arc-list-cn { list-style: none; padding: 0; margin-top: 12px; }
.dp-arc-list-cn li {
  font-family: var(--serif); font-size: 12px; color: var(--mist);
  letter-spacing: 0.04em; padding: 6px 0;
  border-bottom: 1px solid rgba(196,180,154,0.12);
  display: flex; gap: 10px; line-height: 1.6;
}
.dp-arc-list-cn li::before { content: '·'; color: rgba(184,149,90,0.4); flex-shrink: 0; }

/* ── Founder Advisory: session contents ── */
.dp-session-strip {
  background: var(--abyssal); padding: 72px 64px;
  display: grid; grid-template-columns: 280px 1fr; gap: 72px; align-items: start;
}
.dp-session-lead {
  font-family: var(--serif); font-size: clamp(20px, 2vw, 26px); font-weight: 300;
  color: var(--chalk); line-height: 1.4;
}
.dp-session-lead em { font-style: italic; color: var(--antique-gold); }
.dp-session-lead-cn { font-family: var(--serif); font-size: 14px; color: var(--mist); letter-spacing: 0.05em; line-height: 1.85; margin-top: 16px; }
.dp-session-items { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: rgba(158,168,178,0.08); }
.dp-session-item { background: rgba(28,43,53,0.5); padding: 32px 28px; border-bottom: 2px solid transparent; transition: border-color 0.3s; }
.dp-session-item:hover { border-bottom-color: rgba(184,149,90,0.4); }
.dp-session-item-en { font-family: var(--serif); font-size: 15px; font-weight: 300; color: var(--sand-veil); line-height: 1.5; margin-bottom: 6px; }
.dp-session-item-cn { font-family: var(--serif); font-size: 13px; color: var(--mist); letter-spacing: 0.04em; line-height: 1.7; }

/* ══════════════════════════════════════════
   LANGUAGE SYSTEM (detail pages)
   Default: 中文 prominent
══════════════════════════════════════════ */

/* Hero: CN primary by default */
.dp-hero-cn {
  font-size: clamp(16px, 1.8vw, 22px) !important;
  color: rgba(232,222,202,0.75) !important;
  transition: opacity 0.35s, font-size 0.35s;
}
.dp-hero-fr {
  opacity: 0.35 !important;
  transition: opacity 0.35s;
}
/* Body text: CN primary */
.dp-body-cn, .dp-step-cn, .dp-case-cn, .dp-featured-case-cn,
.dp-arc-list-cn li, .dp-session-lead-cn, .dp-recognize-cn {
  transition: opacity 0.35s;
  opacity: 1;
}
.dp-body.light, .dp-lead.light { transition: opacity 0.35s; }

/* EN mode */
html[data-lang="en"] .dp-hero-cn { opacity: 0.45 !important; font-size: clamp(13px, 1.3vw, 16px) !important; }
html[data-lang="en"] .dp-hero-fr { opacity: 0.25 !important; }
html[data-lang="en"] .dp-body-cn { opacity: 0.45; }
html[data-lang="en"] .dp-step-cn { opacity: 0.45; }
html[data-lang="en"] .dp-case-cn { opacity: 0.45; }
html[data-lang="en"] .dp-featured-case-cn { opacity: 0.45; }
html[data-lang="en"] .dp-arc-list-cn li { opacity: 0.45; }
html[data-lang="en"] .dp-session-lead-cn { opacity: 0.45; }
html[data-lang="en"] .dp-recognize-cn { opacity: 0.45; }

/* FR mode */
html[data-lang="fr"] .dp-hero-fr {
  opacity: 1 !important;
  font-size: clamp(14px, 1.5vw, 18px) !important;
  color: rgba(232,222,202,0.65) !important;
}
html[data-lang="fr"] .dp-hero-cn { opacity: 0.45 !important; font-size: clamp(13px, 1.3vw, 16px) !important; }
html[data-lang="fr"] .dp-body-cn { opacity: 0.45; }
html[data-lang="fr"] .dp-step-cn { opacity: 0.45; }
html[data-lang="fr"] .dp-case-cn { opacity: 0.45; }
html[data-lang="fr"] .dp-featured-case-cn { opacity: 0.45; }
html[data-lang="fr"] .dp-arc-list-cn li { opacity: 0.45; }
html[data-lang="fr"] .dp-session-lead-cn { opacity: 0.45; }
html[data-lang="fr"] .dp-recognize-cn { opacity: 0.45; }

/* ── Community Architecture Diagram ── */
.dp-comm-arch { margin-top: 64px; border: 1px solid rgba(196,180,154,0.3); }
.dp-comm-arch-top { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(196,180,154,0.2); }
.dp-comm-col-head { padding: 28px 28px 24px; background: var(--abyssal); border-bottom: 2px solid rgba(184,149,90,0.35); }
.dp-comm-col-head-label { font-family: var(--sans); font-size: 9px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(184,149,90,0.55); margin-bottom: 10px; }
.dp-comm-col-head-title { font-family: var(--serif); font-size: 19px; font-weight: 300; color: var(--chalk); line-height: 1.3; }
.dp-comm-col-head-cn { font-family: var(--sans); font-size: 10px; letter-spacing: 0.15em; color: var(--antique-gold); margin-top: 6px; }
.dp-comm-arch-body { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(196,180,154,0.2); }
.dp-comm-col { background: #f8f5f1; }
.dp-comm-row {
  padding: 15px 24px; border-bottom: 1px solid rgba(196,180,154,0.2);
  display: flex; gap: 12px; align-items: flex-start; transition: background 0.25s;
}
.dp-comm-row:hover { background: #f0ece6; }
.dp-comm-row:last-child { border-bottom: none; }
.dp-comm-row-dot { width: 5px; height: 5px; background: rgba(184,149,90,0.4); border-radius: 50%; flex-shrink: 0; margin-top: 7px; }
.dp-comm-row-en { font-family: var(--sans); font-size: 13px; font-weight: 300; color: var(--deep-current); line-height: 1.45; }
.dp-comm-row-cn { font-family: var(--serif); font-size: 11px; color: var(--mist); letter-spacing: 0.06em; margin-top: 3px; }
.dp-comm-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: rgba(184,149,90,0.2); margin-top: 1px; }
.dp-comm-flow-step { background: var(--abyssal); padding: 22px 20px; text-align: center; }
.dp-comm-flow-num { font-family: var(--serif); font-size: 11px; color: rgba(184,149,90,0.35); letter-spacing: 0.14em; margin-bottom: 8px; }
.dp-comm-flow-en { font-family: var(--sans); font-size: 11px; font-weight: 300; letter-spacing: 0.16em; text-transform: uppercase; color: var(--chalk); }
.dp-comm-flow-cn { font-family: var(--serif); font-size: 12px; color: var(--mist); letter-spacing: 0.08em; margin-top: 5px; }

@media (max-width: 900px) {
  .dp-recognize-grid { grid-template-columns: 1fr; }
  .dp-arc { grid-template-columns: 1fr 1fr; }
  .dp-session-strip { grid-template-columns: 1fr; padding: 48px 24px; }
  .dp-session-items { grid-template-columns: 1fr; }
  .dp-comm-arch-top { grid-template-columns: 1fr; }
  .dp-comm-arch-body { grid-template-columns: 1fr; }
  .dp-featured-case-body { grid-template-columns: 1fr; gap: 0; }
}

/* ══════════════════════════════════════════
   PROJECT ESSAY PAGES
   Cultural project detail pages
══════════════════════════════════════════ */

/* Hero — editorial split */
.pe-hero {
  position: relative;
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.72fr);
  gap: clamp(56px, 7vw, 112px);
  align-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, #f8f5ef 0%, var(--chalk) 62%, #efe9df 100%);
  padding: 148px 56px 116px;
}
.pe-hero-img {
  position: relative;
  grid-column: 2;
  grid-row: 1;
  width: min(100%, 520px);
  justify-self: end;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
  filter: saturate(0.78) brightness(0.96) contrast(0.94);
  box-shadow: 0 30px 90px rgba(28,43,53,0.13);
}
.pe-hero-scrim {
  display: none;
}
.pe-hero-body {
  position: relative;
  z-index: 2;
  grid-column: 1;
  grid-row: 1;
  max-width: 640px;
  width: 100%;
  justify-self: end;
  padding: 0;
}
.pe-hero-crumb {
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.22em;
  text-transform: uppercase; color: rgba(74,92,107,0.44);
  display: flex; align-items: center; gap: 12px; margin-bottom: clamp(56px, 8vw, 104px);
  flex-wrap: wrap;
}
.pe-hero-crumb a { transition: color 0.3s; }
.pe-hero-crumb a:hover { color: var(--antique-gold); }
.pe-hero-crumb .sep { color: rgba(184,149,90,0.25); }
.pe-hero-tag {
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--antique-gold); margin-bottom: 30px;
}
.pe-hero-title-cn {
  font-family: var(--serif); font-size: clamp(34px, 4.4vw, 62px);
  font-weight: 300; line-height: 1.08; color: var(--abyssal);
  letter-spacing: 0.01em; margin-bottom: 18px;
}
.pe-hero-title-en {
  font-family: var(--serif); font-size: clamp(17px, 1.8vw, 24px);
  font-weight: 300; color: var(--deep-current); letter-spacing: 0.02em;
  margin-bottom: 38px;
  max-width: 480px;
}
.pe-hero-deck {
  font-family: var(--serif);
  font-size: clamp(17px, 1.45vw, 21px);
  font-weight: 300;
  color: rgba(74,92,107,0.78);
  line-height: 1.8;
  letter-spacing: 0.02em;
  max-width: 540px;
  margin-bottom: 34px;
}
.pe-hero-meta {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  font-family: var(--sans); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(74,92,107,0.54);
  border-top: 1px solid rgba(196,180,154,0.46);
  padding-top: 24px;
  max-width: 540px;
}
.pe-hero-meta span { display: flex; align-items: center; gap: 8px; }
.pe-hero-meta span::before { content: '·'; color: rgba(184,149,90,0.3); }
.pe-hero-meta span:first-child::before { display: none; }

/* Essay body layout */
.pe-essay { max-width: 1180px; margin: 0 auto; padding: 0 56px; }
.pe-section { padding: 112px 0; border-bottom: 1px solid rgba(196,180,154,0.15); }
.pe-section:last-child { border-bottom: none; }
.pe-section-label {
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--antique-gold);
  display: flex; align-items: center; gap: 16px; margin-bottom: 56px;
}
.pe-section-label::after { content: ''; flex: 0 0 48px; height: 1px; background: rgba(184,149,90,0.25); }

/* Two-column essay grid */
.pe-col2 { display: grid; grid-template-columns: 4fr 6fr; gap: clamp(56px, 7vw, 104px); align-items: start; }
.pe-col2-even { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 6vw, 88px); align-items: start; }

/* Typography */
.pe-lead {
  font-family: var(--serif); font-size: clamp(23px, 2.35vw, 31px);
  font-weight: 300; line-height: 1.5; color: var(--abyssal);
  letter-spacing: -0.005em;
}
.pe-lead em { font-style: italic; color: var(--antique-gold); }
.pe-lead-cn {
  font-family: var(--serif); font-size: clamp(20px, 2vw, 27px);
  font-weight: 300; line-height: 1.72; color: var(--abyssal);
  letter-spacing: 0.01em;
}
.pe-body {
  font-family: var(--sans); font-size: 15px; font-weight: 300;
  color: var(--deep-current); line-height: 1.9;
}
.pe-body + .pe-body { margin-top: 20px; }
.pe-body-cn {
  font-family: var(--serif); font-size: 14px; color: var(--deep-current);
  line-height: 2; letter-spacing: 0.04em;
  margin-top: 28px; padding-top: 24px;
  border-top: 1px solid rgba(196,180,154,0.25);
}
.pe-pullquote {
  font-family: var(--serif); font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 300; font-style: italic; color: var(--antique-gold);
  line-height: 1.55; padding: 40px 0 40px 32px;
  border-left: 2px solid rgba(184,149,90,0.35);
}
.pe-pullquote-cn {
  font-family: var(--serif); font-size: 15px; color: rgba(184,149,90,0.7);
  line-height: 1.85; letter-spacing: 0.04em;
  margin-top: 16px;
}

/* Stat row */
.pe-stats { display: flex; gap: 0; margin-top: 56px; }
.pe-stat {
  flex: 1; padding: 32px 28px; border-right: 1px solid rgba(196,180,154,0.2);
  border-top: 1px solid rgba(196,180,154,0.2); border-bottom: 1px solid rgba(196,180,154,0.2);
}
.pe-stat:first-child { border-left: 1px solid rgba(196,180,154,0.2); }
.pe-stat-num { font-family: var(--serif); font-size: 38px; font-weight: 300; color: var(--antique-gold); line-height: 1; margin-bottom: 8px; }
.pe-stat-label { font-family: var(--sans); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mist); }

/* Image grid */
.pe-img-grid { display: grid; gap: clamp(16px, 2vw, 28px); align-items: start; }
.pe-img-grid-2 { grid-template-columns: 1.12fr 0.88fr; }
.pe-img-grid-3 { grid-template-columns: 1.35fr 0.85fr; }
.pe-doc-mosaic {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(16px, 2.3vw, 30px);
  align-items: start;
}
.pe-doc-stack { display: grid; gap: clamp(16px, 2.3vw, 30px); padding-top: clamp(44px, 8vw, 104px); }
.pe-img-full,
.pe-img-tall,
.pe-img-sq {
  width: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.72) brightness(0.88) contrast(0.94);
  background: rgba(232,226,216,0.12);
}
.pe-img-full { aspect-ratio: 16/10; }
.pe-img-tall { aspect-ratio: 4/5; }
.pe-img-sq { aspect-ratio: 1/1; }
.pe-img-soft { filter: saturate(0.62) brightness(0.96) contrast(0.9); }
.pe-img-cap {
  font-family: var(--sans); font-size: 10px; font-weight: 200; font-style: italic;
  color: var(--mist); letter-spacing: 0.06em; padding-top: 12px;
}

/* Dark strip */
.pe-dark { background: var(--abyssal); padding: 100px 0; }
.pe-dark .pe-essay { padding: 0 56px; }
.pe-dark .pe-lead { color: var(--chalk); }
.pe-dark .pe-body { color: rgba(158,168,178,0.8); }
.pe-dark .pe-body-cn { color: rgba(158,168,178,0.65); border-top-color: rgba(158,168,178,0.1); }
.pe-dark .pe-section-label::after { background: rgba(184,149,90,0.2); }
.pe-dark .pe-stat { border-color: rgba(158,168,178,0.1); }

/* Back/footer nav */
.pe-nav-foot {
  background: var(--abyssal); padding: 72px 56px;
  display: flex; align-items: center; justify-content: space-between;
  max-width: 100%; gap: 40px; flex-wrap: wrap;
}
.pe-nav-back {
  font-family: var(--serif); font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 300; color: rgba(232,222,202,0.55);
  display: flex; align-items: center; gap: 12px; transition: color 0.3s;
}
.pe-nav-back:hover { color: var(--chalk); }
.pe-nav-back::before { content: '←'; color: var(--antique-gold); }
.pe-nav-next {
  font-family: var(--serif); font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 300; color: rgba(232,222,202,0.55);
  display: flex; align-items: center; gap: 12px; transition: color 0.3s;
  text-align: right;
}
.pe-nav-next:hover { color: var(--chalk); }
.pe-nav-next::after { content: '→'; color: var(--antique-gold); }

/* Language overrides for essay pages */
html[data-lang="en"] .pe-hero-title-cn { font-size: clamp(14px, 1.5vw, 18px); color: rgba(74,92,107,0.44); }
html[data-lang="en"] .pe-hero-title-en { font-size: clamp(34px, 4.4vw, 62px); color: var(--abyssal); }
html[data-lang="en"] .pe-lead-cn { opacity: 0.4; font-size: 14px; }
html[data-lang="en"] .pe-body-cn { opacity: 0.4; }
html[data-lang="en"] .pe-pullquote-cn { opacity: 0.4; }

@media (max-width: 900px) {
  .pe-hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 112px 24px 80px;
  }
  .pe-hero-img {
    grid-column: 1;
    grid-row: 2;
    width: 100%;
    max-height: 70vh;
    justify-self: center;
  }
  .pe-hero-body {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
  }
  .pe-hero-crumb { margin-bottom: 48px; }
  .pe-essay { padding: 0 24px; }
  .pe-col2 { grid-template-columns: 1fr; gap: 40px; }
  .pe-col2-even { grid-template-columns: 1fr; gap: 40px; }
  .pe-img-grid-2 { grid-template-columns: 1fr; }
  .pe-img-grid-3 { grid-template-columns: 1fr; }
  .pe-doc-mosaic { grid-template-columns: 1fr; }
  .pe-doc-stack { padding-top: 0; }
  .pe-dark .pe-essay { padding: 0 24px; }
  .pe-nav-foot { padding: 56px 24px; }
  .pe-stats { flex-direction: column; }
}