/* ════════════════════════════════════════════════════════════
   SocioVerse Challenge 2026 — page-specific styles.
   Inherits every token/component from ../assets/styles.css;
   only what the homepage doesn't have lives here.
   ════════════════════════════════════════════════════════════ */

/* ── preview banner (remove via CONFIG.preview=false) ── */
.dev-banner {
  display: none; text-align: center;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.04em;
  padding: 5px 12px; color: #fff;
  background: repeating-linear-gradient(135deg, #b45309 0 14px, #d97706 14px 28px);
}
body.preview .dev-banner { display: block; }
body.preview .hero { padding-top: 178px; }
@media (max-width: 860px) { body.preview .hero { padding-top: 148px; } }
body.preview .nav-links { top: 90px; }
section[id], header[id] { scroll-margin-top: 76px; }
body.preview section[id] { scroll-margin-top: 104px; }

/* ── nav tweaks (8 links) ── */
.nav-actions .btn-sm { white-space: nowrap; }
.logo-sub {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  color: var(--text-3); text-transform: uppercase; margin-left: 4px; padding-left: 10px;
  border-left: 1px solid var(--border-strong); white-space: nowrap;
}
@media (max-width: 1300px) { html[lang="en"] .challenge .logo-sub { display: none; } }
@media (max-width: 1180px) and (min-width: 861px) {
  .challenge .nav-inner { gap: 18px; }
  .challenge .nav-links { gap: 14px; }
  .challenge .nav-links a { font-size: 13.5px; }
  .challenge .logo-sub, .challenge .nav-actions .btn-ghost { display: none; }
}
@media (max-width: 560px) { .logo-sub { display: none; } .nav-actions .btn-ghost { display: none; } }
@media (max-width: 440px) {
  .challenge .nav-inner { gap: 12px; }
  .challenge .nav-actions { gap: 6px; }
  .challenge #theme-toggle { display: none; }
}

/* ── hero ── */
.hero-name {
  font-size: 17px; font-weight: 700; color: var(--text); letter-spacing: 0.01em;
  margin: -6px 0 14px; padding-left: 12px; border-left: 3px solid var(--accent);
}
html[lang="en"] .hero .h1 { font-size: clamp(30px, 3.3vw, 42px); }
/* 中文无真斜体，浏览器合成的倾斜会把字形推出 em 盒子，background-clip:text 的渐变就被切掉一截：
   用等量的 padding / 负 margin 把绘制区撑大而不改变排版 */
.h1 em, .h2 em { padding: 0 0.22em 0 0.04em; margin: 0 -0.22em 0 -0.04em; }
html[lang="zh-CN"] .hero .h1 { font-feature-settings: "halt"; }
.hero-top { display: flex; align-items: center; gap: 10px 14px; flex-wrap: wrap; margin-bottom: 22px; }
.hero-top .badge { margin-bottom: 0; }
.hero-mail {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: var(--bg-card); font-size: 13px; color: var(--text-2);
  transition: border-color 0.2s, color 0.2s;
}
.hero-mail { max-width: 100%; }
.hero-mail span { white-space: nowrap; }
.hero-mail b { font-size: 12.5px; font-weight: 600; color: var(--accent); overflow-wrap: anywhere; min-width: 0; }
.hero-mail:hover { border-color: var(--accent); }
.hero-facts {
  display: grid; grid-template-columns: max-content 1fr; gap: 10px 18px; align-items: baseline;
  margin-top: 30px; padding-top: 22px; border-top: 1px dashed var(--border-strong);
}
.hero-facts dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); white-space: nowrap; }
.hero-facts dd { font-size: 14px; color: var(--text-2); font-weight: 500; line-height: 1.65; }
.nw { white-space: nowrap; }
@media (max-width: 560px) {
  .hero-facts { grid-template-columns: 1fr; gap: 2px; }
  .hero-facts dd + dt { margin-top: 10px; }
  .nw { white-space: normal; }
}

/* ── countdown card ── */
.hero-grid > * { min-width: 0; }
.countdown-card .sim-title { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.countdown-card { padding: 18px 20px 18px; }
.cd-label { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font-size: 14px; font-weight: 600; color: var(--text-2); margin: 4px 2px 12px; flex-wrap: wrap; }
.cd-date { font-size: 12px; color: var(--text-3); font-weight: 500; }
.cd-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.cd-cell {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 14px 6px 10px; border-radius: 14px;
  border: 1px solid var(--border); background: var(--bg-glass);
}
.cd-cell b {
  font-family: var(--font-display); font-weight: 800; font-size: 38px; line-height: 1;
  font-variant-numeric: tabular-nums;
  background: var(--grad-accent); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.cd-cell span { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.08em; text-transform: uppercase; }
.cd-next { list-style: none; margin: 16px 2px 4px; display: flex; flex-direction: column; gap: 7px; }
.cd-next li { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text-2); }
.cd-next li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--border-strong); flex-shrink: 0; }
.cd-next li.key::before { background: var(--accent); }
.cd-next li .d { font-family: var(--font-mono); color: var(--text-3); width: 82px; flex-shrink: 0; font-size: 11.5px; }
.cd-next li.done { opacity: 0.5; text-decoration: line-through; }
.countdown-card .flow-bar { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--border); flex-wrap: wrap; row-gap: 8px; }
.countdown-card .flow-bar::after { display: none; }

/* ── stats ── */
@media (max-width: 560px) { .stats .stat-num { font-size: 32px; } }

/* ── shared bits ── */
.card-p { font-size: 14.5px; color: var(--text-2); }
.card code, .notice-card code, .faq-item code {
  font-family: var(--font-mono); font-size: 0.88em; color: var(--text); background: var(--bg-glass);
  padding: 1px 5px; border-radius: 4px; border: 1px solid var(--border);
}
.dot-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.dot-list li { position: relative; padding-left: 18px; font-size: 14px; color: var(--text-2); }
.dot-list li::before { content: ""; position: absolute; left: 3px; top: 0.62em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.dot-list b { color: var(--text); }
.fine-print { text-align: center; font-size: 13px; color: var(--text-3); margin-top: 18px; }

/* ── about ── */
.about-prose { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; margin-bottom: 40px; padding: 30px 32px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.about-col .kicker { display: block; margin-bottom: 12px; }
.about-col p { font-size: 15px; color: var(--text-2); line-height: 1.75; }
.about-col p + p { margin-top: 12px; }
.about-col strong { color: var(--text); font-weight: 600; }
.event-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.event-chips .chip { color: var(--accent); border-color: rgba(230, 126, 34, 0.3); background: rgba(230, 126, 34, 0.07); }
.notice-head { text-align: center; max-width: 760px; margin: 0 auto 22px; }
.notice-lead { font-size: 16.5px; font-weight: 600; color: var(--text); }
.notice-grid { display: grid; grid-template-columns: 1.2fr 1fr 0.9fr; gap: 20px; }
.notice-card { padding: 24px 24px; }
.notice-card h3 { font-family: var(--font-display); font-size: 19px; margin-bottom: 14px; }
.mode-mini { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.mode-mini div {
  padding: 12px 14px; border-radius: var(--radius); border: 1px solid var(--border);
  border-left: 3px solid var(--mc); background: var(--bg-glass); font-size: 13.5px; color: var(--text-2);
}
.mode-mini b { display: block; color: var(--mc); font-size: 14px; margin-bottom: 2px; }
.mode-mini a, .faq-item p a { color: var(--accent); font-weight: 600; overflow-wrap: anywhere; }
.mode-mini a:hover, .faq-item p a:hover { text-decoration: underline; }
.mode-mini code { white-space: nowrap; }
.kv-list { display: flex; flex-direction: column; gap: 14px; }
.kv-list dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 3px; }
.kv-list dd { font-size: 14px; color: var(--text-2); }
.kv-list a { color: var(--accent); font-weight: 600; }
.kv-list a:hover { text-decoration: underline; }
@media (max-width: 1020px) { .notice-grid { grid-template-columns: 1fr 1fr; } .notice-card:first-child { grid-column: 1 / -1; } }
@media (max-width: 860px) {
  .about-prose { grid-template-columns: 1fr; padding: 22px 20px; gap: 24px; }
  .notice-grid { grid-template-columns: 1fr; }
}

/* ── tracks ── */
.track-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.track-card {
  position: relative; overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px 24px 22px; box-shadow: var(--shadow-sm);
}
.track-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--tc); }
.track-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.track-letter {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 11px;
  font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 20px;
  color: var(--tc); background: color-mix(in srgb, var(--tc) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--tc) 30%, transparent);
}
.track-no { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--tc); font-weight: 600; }
.track-card h3 { font-family: var(--font-display); font-size: 21px; line-height: 1.3; margin-bottom: 4px; }
.track-en { display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-3); margin-bottom: 12px; }
.track-card p { font-size: 14px; color: var(--text-2); line-height: 1.75; margin-top: 10px; }
.deliver-bar {
  display: flex; align-items: center; gap: 12px 22px; flex-wrap: wrap; justify-content: center;
  margin-top: 22px; padding: 16px 20px; border-radius: var(--radius-lg);
  border: 1px dashed var(--border-strong); background: var(--bg-card);
}
.deliver-bar .kicker { margin: 0; }
.deliver-item { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); font-weight: 500; }
.deliver-item i {
  font-style: normal; font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  width: 20px; height: 20px; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent); background: rgba(230, 126, 34, 0.12);
}
@media (max-width: 1020px) { .track-grid { grid-template-columns: 1fr; } }

/* ── cases ── */
.cs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.cs-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px 26px; box-shadow: var(--shadow-sm);
}
.cs-card.wide { grid-column: 1 / -1; }
.cs-no { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.cs-card h3 { font-family: var(--font-display); font-size: 19px; line-height: 1.35; margin-bottom: 10px; }
.cs-card > p { font-size: 14px; color: var(--text-2); line-height: 1.75; margin-bottom: 14px; }
.cs-card > p b { color: var(--text); font-weight: 600; }
.cs-ref { margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--border-strong); font-size: 13px; color: var(--text-2); }
.cs-ref b { color: var(--accent); margin-right: 6px; font-weight: 700; }
@media (max-width: 860px) { .cs-grid { grid-template-columns: 1fr; } .cs-card { padding: 20px; } }

/* ── platform ── */
.pf-link { margin-top: 16px; }
.pf-link + .pf-link { margin-left: 6px; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 22px; }
.pillar {
  position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px 22px 20px; box-shadow: var(--shadow-sm); border-top: 3px solid var(--pc);
}
.pillar-n { font-size: 12px; font-weight: 700; color: var(--pc); letter-spacing: 0.1em; }
.pillar h3 { font-size: 17px; font-weight: 700; margin: 6px 0 8px; }
.pillar p { font-size: 14px; color: var(--text-2); }
.code-card .kicker { display: block; margin-bottom: 8px; }
.code-block {
  font-size: 12.5px; line-height: 1.6; padding: 14px 16px; border-radius: var(--radius-sm);
  background: var(--bg-alt); border: 1px solid var(--border); color: var(--text-2);
  overflow-x: auto; white-space: pre;
}
.code-block b { color: var(--accent); font-weight: 600; }
@media (max-width: 860px) { .pillars { grid-template-columns: 1fr; } }

/* ── timeline ── */
.timeline { list-style: none; position: relative; max-width: 860px; margin: 0 auto; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: var(--border-strong); border-radius: 2px; }
.tl-item { position: relative; padding: 0 0 22px 18px; }
.tl-item::before {
  content: ""; position: absolute; left: -29px; top: 6px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--border-strong); box-sizing: border-box;
}
.tl-item.key::before { border-color: var(--accent); background: var(--accent); box-shadow: 0 0 0 4px rgba(230, 126, 34, 0.18); }
.tl-item.done::before { border-color: var(--green); background: var(--green); }
.tl-item.now::before { border-color: var(--accent); background: var(--bg); animation: pulse 1.6s ease-in-out infinite; }
.tl-row { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.tl-date { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3); min-width: 170px; }
.tl-item.key .tl-date { color: var(--accent); font-weight: 600; }
.tl-item h4 { font-size: 16.5px; font-weight: 700; }
.tl-item p { font-size: 14px; color: var(--text-2); margin-top: 4px; max-width: 70ch; }
.tl-item .tl-tag { font-size: 10.5px; font-weight: 700; padding: 2px 8px; border-radius: 999px; letter-spacing: 0.05em; text-transform: uppercase; }
.tl-item.done .tl-tag { background: rgba(5, 150, 105, 0.12); color: var(--green); }
.tl-item.now .tl-tag { background: rgba(230, 126, 34, 0.14); color: var(--accent); }
@media (max-width: 560px) { .tl-date { min-width: 0; } }

/* ── submit ── */
.submit-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 22px; align-items: start; }
.submit-grid .kicker { display: block; margin-bottom: 12px; }
.submit-side { display: flex; flex-direction: column; gap: 22px; }
.check-list { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-top: 4px; }
.check-list li { position: relative; padding-left: 26px; font-size: 14px; color: var(--text-2); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 700; }
.check-list li b { color: var(--text); }
.check-list li.hard::before { content: "!"; color: var(--accent); }
.check-list li.hard b::after { content: " · 硬性"; font-size: 11px; color: var(--accent); font-weight: 700; }
html[lang="en"] .check-list li.hard b::after { content: " · mandatory"; }
.naming-list { display: flex; flex-direction: column; gap: 12px; }
.naming-list dt { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.naming-list dd {
  font-size: 12.5px; color: var(--accent); padding: 7px 10px; border-radius: var(--radius-sm);
  background: var(--bg-alt); border: 1px solid var(--border); overflow-wrap: anywhere;
}
.portal-card .card-p b { color: var(--text); }
.portal-steps { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 12px 0 16px; }
.portal-steps li { position: relative; padding-left: 16px; font-size: 13.5px; color: var(--text-2); }
.portal-steps li::before { content: ""; position: absolute; left: 2px; top: 0.62em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
@media (max-width: 860px) { .submit-grid { grid-template-columns: 1fr; } }

/* ── review ── */
.review-steps { display: grid; grid-template-columns: 1fr 40px 1fr; align-items: stretch; margin-bottom: 22px; }
.rstep {
  background: var(--bg-card); border: 1px solid var(--border); border-top: 3px solid var(--rc);
  border-radius: var(--radius-lg); padding: 22px 24px; box-shadow: var(--shadow-sm);
}
.rstep-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.rstep-n {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 20px; color: var(--rc);
  background: color-mix(in srgb, var(--rc) 12%, transparent); border: 1px solid color-mix(in srgb, var(--rc) 30%, transparent);
}
.rstep-k { display: block; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); }
.rstep h3 { font-family: var(--font-display); font-size: 19px; line-height: 1.3; }
.rstep-list { list-style: none; counter-reset: rs; display: flex; flex-direction: column; gap: 10px; }
.rstep-list li { position: relative; padding-left: 28px; font-size: 14px; color: var(--text-2); counter-increment: rs; }
.rstep-list li::before {
  content: counter(rs); position: absolute; left: 0; top: 1px; width: 19px; height: 19px; border-radius: 50%;
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; display: flex; align-items: center; justify-content: center;
  color: var(--rc); border: 1px solid color-mix(in srgb, var(--rc) 45%, transparent);
}
.rstep-arrow { display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--text-3); }
@media (max-width: 860px) {
  .review-steps { grid-template-columns: 1fr; gap: 6px; }
  .rstep-arrow { transform: rotate(90deg); height: 28px; }
}
.review-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 22px; align-items: start; }
.review-grid .kicker { display: block; margin-bottom: 12px; }
.weight-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.weight-list li { display: grid; grid-template-columns: 1fr auto; gap: 4px 14px; align-items: baseline; }
.weight-list .wl-name { font-size: 14.5px; font-weight: 600; }
.weight-list .wl-pct { font-family: var(--font-display); font-style: italic; font-weight: 700; font-size: 18px; color: var(--accent); }
.weight-list .wl-bar { grid-column: 1 / -1; height: 6px; border-radius: 3px; background: var(--bg-glass); border: 1px solid var(--border); overflow: hidden; }
.weight-list .wl-bar i { display: block; height: 100%; width: var(--w); background: var(--grad-accent); border-radius: 3px; }
.weight-list .wl-desc { grid-column: 1 / -1; font-size: 13px; color: var(--text-2); }
.weight-list li.gate .wl-pct { color: var(--red); }
.weight-list li.gate .wl-bar i { background: linear-gradient(135deg, #dc2626, #f97316); }
@media (max-width: 860px) { .review-grid { grid-template-columns: 1fr; } }

/* ── awards ── */
.award-split { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.split-cell {
  display: flex; flex-direction: column; gap: 4px; padding: 22px 22px 20px; border-radius: var(--radius-lg);
  background: var(--bg-card); border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--pc);
}
.split-cell b { font-family: var(--font-display); font-size: 34px; font-weight: 800; line-height: 1.1; color: var(--pc); font-variant-numeric: tabular-nums; }
.split-cell span { font-size: 15px; font-weight: 700; color: var(--text); }
.split-cell small { font-size: 13px; color: var(--text-2); }
.split-cell small b { font-family: var(--font); font-size: inherit; font-weight: 700; color: var(--text); }
.award-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tier-card { grid-column: 1 / -1; }
.tier-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 4px 0 16px; }
.tier {
  --tc: #d99a1e;
  display: flex; flex-direction: column; align-items: center; gap: 2px; text-align: center;
  padding: 18px 10px 16px; border-radius: var(--radius); background: var(--bg-glass);
  border: 1px solid var(--border); border-top: 3px solid var(--tc);
}
.tier-2 { --tc: #8a94a6; }
.tier-3 { --tc: #b8733a; }
.tier-name { font-size: 14px; font-weight: 700; color: var(--text); }
.tier b { font-family: var(--font-display); font-size: 32px; font-weight: 800; line-height: 1.15; color: var(--tc); font-variant-numeric: tabular-nums; }
.tier-per { font-size: 13px; color: var(--text-2); font-weight: 600; }
.tier small { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); }
.tier-card .card-p b { color: var(--text); }
.award-card h3 { font-family: var(--font-display); font-size: 18px; margin-bottom: 12px; }
.award-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.award-card li { position: relative; padding-left: 18px; font-size: 14px; color: var(--text-2); }
.award-card li::before { content: "·"; position: absolute; left: 4px; font-weight: 900; color: var(--accent); }
.award-card li b { color: var(--text); }
@media (max-width: 860px) { .award-split, .award-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .tier-row { gap: 8px; } .tier { padding: 14px 4px 12px; } .tier b { font-size: 24px; } .tier-per { font-size: 12px; } }

/* ── faq (single column) ── */
.faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.faq-item summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; gap: 12px;
  padding: 15px 18px; font-size: 15px; font-weight: 600;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "+"; font-family: var(--font-mono); font-size: 16px; color: var(--accent); width: 18px; flex-shrink: 0; }
.faq-item[open] summary::before { content: "−"; }
.faq-item p { padding: 0 18px 16px 48px; font-size: 14px; color: var(--text-2); }

/* ── references ── */
.ref-groups { columns: 2; column-gap: 20px; }
.ref-group {
  --tc: var(--text-3); break-inside: avoid; margin-bottom: 20px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px 24px; box-shadow: var(--shadow-sm); border-left: 3px solid var(--tc);
}
.ref-group h3 { font-size: 14.5px; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.ref-group ol { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.ref-group li { display: grid; grid-template-columns: 34px 1fr; font-size: 13px; color: var(--text-2); line-height: 1.6; }
.ref-group li b { color: var(--text); font-weight: 600; }
.ref-n { color: var(--text-3); font-size: 12px; }
.ref-group a { color: var(--accent); font-weight: 600; white-space: nowrap; }
.ref-group a:hover { text-decoration: underline; }
@media (max-width: 860px) { .ref-groups { columns: 1; } }

/* ── committee ── */
.cm-head {
  display: flex; align-items: center; gap: 14px; font-family: var(--font-display); font-size: 22px;
  margin: 44px 0 18px;
}
.cm-head:first-of-type { margin-top: 0; }
.cm-head::after { content: ""; flex: 1; height: 1px; background: var(--border-strong); }
.org-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.org-card {
  display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center;
  padding: 20px 16px; border-radius: var(--radius-lg); background: var(--bg-card);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.org-card b { font-size: 14px; font-weight: 700; line-height: 1.4; }
.org-logo {
  width: 104px; height: 104px; border-radius: 16px; background: #fff; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; padding: 10px;
}
.org-logo.wide { width: 140px; }
.org-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.org-mark { font-size: 15px; font-weight: 700; color: #8a90a0; letter-spacing: 0.06em; }
/* flex 而不是 grid：人数不是整行时，最后一行居中（顾问 13 人 = 6 + 6 + 1） */
.people-grid { --per: 6; display: flex; flex-wrap: wrap; justify-content: center; gap: 22px 16px; }
.people-grid > .person { width: calc((100% - (var(--per) - 1) * 16px) / var(--per)); }
.people-grid.people-chairs { --per: 5; max-width: 1000px; margin: 0 auto; }
@media (max-width: 860px) and (min-width: 561px) { .people-grid.people-chairs { --per: 3; } }
.person { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; margin: 0; }
.person img {
  width: 100%; max-width: 120px; aspect-ratio: 1; height: auto; border-radius: 50%; object-fit: cover;
  border: 3px solid var(--bg-card); box-shadow: 0 0 0 1px var(--border-strong), var(--shadow-sm);
}
.people-chairs .person img { max-width: 136px; box-shadow: 0 0 0 2px rgba(230, 126, 34, 0.55), var(--shadow-sm); }
.person .person-ph {
  width: 100%; max-width: 120px; aspect-ratio: 1; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 40px; color: #fff; background: var(--grad-accent);
  border: 3px solid var(--bg-card); box-shadow: 0 0 0 1px var(--border-strong), var(--shadow-sm);
}
.person figcaption { display: flex; flex-direction: column; gap: 2px; }
.person b { font-size: 15px; font-weight: 700; }
.person span { font-size: 12.5px; color: var(--text-3); line-height: 1.45; }
@media (max-width: 1020px) { .people-grid { --per: 4; } .org-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) {
  .people-grid, .people-grid.people-chairs { --per: 2; }
  .org-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .org-logo { width: 88px; height: 88px; }
  .org-logo.wide { width: 120px; }
}

/* ── leaderboard ── */
.lb-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.lb-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px 22px; box-shadow: var(--shadow-sm); border-top: 3px solid var(--tc);
}
.lb-card h3 { font-family: var(--font-display); font-size: 18px; line-height: 1.35; margin: 4px 0 16px; }
.lb-empty {
  display: flex; align-items: center; justify-content: center; min-height: 96px;
  border-radius: var(--radius); border: 1px dashed var(--border-strong); background: var(--bg-glass);
}
@media (max-width: 860px) { .lb-grid { grid-template-columns: 1fr; } }

/* ── register form ── */
.form-row-2 { display: grid; grid-template-columns: 1fr 120px; gap: 14px; }
.form-row-2:nth-of-type(2) { grid-template-columns: 1fr 1fr; }
select.input { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 32px; }
.track-pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.track-pick label {
  display: flex; flex-direction: column; gap: 2px; cursor: pointer; margin: 0;
  padding: 10px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--bg);
  font-size: 13px; font-weight: 600; transition: border-color 0.2s, box-shadow 0.2s;
}
.track-pick label small { font-size: 11.5px; font-weight: 500; color: var(--text-3); line-height: 1.35; }
.track-pick input { position: absolute; opacity: 0; pointer-events: none; }
.track-pick label:has(input:checked) { border-color: var(--tc, var(--accent)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--tc, var(--accent)) 18%, transparent); color: var(--tc, var(--accent)); }
.track-pick.invalid label { border-color: var(--red); }
@media (max-width: 560px) { .form-row-2, .form-row-2:nth-of-type(2), .track-pick { grid-template-columns: 1fr; } }