/* SGT Lab — standalone hub (does not modify main site pages) */
.page-lab main {
  max-width: 980px;
}

/* 实验室页内容不依赖 scroll-reveal JS（手机 file:// 下 IO 可能不触发） */
.page-lab .lab-hero.reveal,
.page-lab .lab-section.reveal,
.page-lab .lab-disclaimer.reveal {
  opacity: 1;
  transform: none;
}

.lab-header .logo-sub.lab-sub {
  color: #004792;
  font-weight: 600;
}

.lab-header .site-nav a.lab-nav-active {
  color: #004792;
  font-weight: 600;
}

.lab-hero {
  text-align: center;
  padding: 8px 0 36px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(0, 71, 146, 0.1);
}

.lab-hero-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #666666;
  margin-bottom: 10px;
}

html.lang-zh .lab-hero-eyebrow {
  text-transform: none;
  letter-spacing: 0.08em;
}

.lab-hero-title {
  font-size: 1.85rem;
  font-weight: 700;
  color: #004792;
  margin-bottom: 10px;
  line-height: 1.35;
}

html.lang-zh .lab-hero-title {
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

.lab-hero-tagline {
  font-size: 0.92rem;
  color: #555555;
  max-width: 640px;
  margin: 0 auto 20px;
  line-height: 1.75;
}

.lab-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
}

a.lab-pill {
  display: inline-block;
  padding: 5px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid rgba(0, 71, 146, 0.22);
  color: #004792;
  background: rgba(0, 71, 146, 0.05);
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

a.lab-pill:hover,
a.lab-pill:focus-visible {
  background: rgba(0, 71, 146, 0.12);
  border-color: rgba(0, 71, 146, 0.4);
  box-shadow: 0 2px 8px rgba(0, 71, 146, 0.08);
}

.lab-portal-link {
  font-size: 0.84rem;
}

.lab-section {
  margin-bottom: 48px;
  scroll-margin-top: 88px;
}

.lab-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 8px;
}

.lab-section-desc {
  font-size: 0.86rem;
  color: #666666;
  line-height: 1.7;
  margin-bottom: 18px;
  max-width: 720px;
}

.lab-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .lab-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .lab-grid--3 { grid-template-columns: repeat(3, 1fr); }
}

.lab-card {
  display: flex;
  flex-direction: column;
  padding: 18px 18px 16px;
  border: 1px solid rgba(0, 71, 146, 0.14);
  background: rgba(250, 251, 253, 0.9);
  border-radius: 2px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 100%;
}

a.lab-card:hover {
  text-decoration: none;
  border-color: #004792;
  box-shadow: 0 4px 20px rgba(0, 71, 146, 0.08);
}

.lab-card.soon {
  opacity: 0.72;
  cursor: default;
  background: #fafafa;
}

.lab-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.lab-card-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: #004792;
  line-height: 1.45;
}

html.lang-zh .lab-card-title {
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

.lab-badge {
  flex-shrink: 0;
  padding: 3px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 2px;
  white-space: nowrap;
}

.lab-badge-live {
  background: rgba(0, 71, 146, 0.1);
  color: #004792;
  border: 1px solid rgba(0, 71, 146, 0.2);
}

.lab-badge-analogy {
  background: rgba(90, 120, 150, 0.12);
  color: #446688;
  border: 1px solid rgba(90, 120, 150, 0.25);
}

.lab-badge-token {
  background: rgba(201, 162, 39, 0.12);
  color: #8a6918;
  border: 1px solid rgba(201, 162, 39, 0.28);
}

.lab-badge-soon {
  background: #eeeeee;
  color: #777777;
  border: 1px solid #dddddd;
}

.lab-card p {
  font-size: 0.84rem;
  line-height: 1.65;
  color: #444444;
  margin: 0 0 12px;
  flex: 1;
}

.lab-card-action {
  font-size: 0.8rem;
  font-weight: 600;
  color: #004792;
  margin-top: auto;
}

.lab-card.soon .lab-card-action {
  color: #888888;
}

.lab-disclaimer {
  font-size: 0.8rem;
  line-height: 1.7;
  color: #666666;
  padding: 14px 16px;
  margin-top: 8px;
  background: #fafafa;
  border: 1px solid #eeeeee;
  border-left: 3px solid rgba(0, 71, 146, 0.35);
}

.lab-disclaimer strong {
  color: #333333;
}

.lab-solver-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  margin-bottom: 18px;
  border: 1px solid rgba(0, 71, 146, 0.18);
  background: linear-gradient(135deg, rgba(0, 71, 146, 0.06) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.lab-solver-banner p {
  font-size: 0.86rem;
  color: #444444;
  margin: 0;
  max-width: 520px;
  line-height: 1.65;
}

.lab-catalog-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-bottom: 16px;
}

@media (min-width: 760px) {
  .lab-catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.lab-catalog-group {
  padding: 14px 16px;
  border: 1px solid rgba(0, 71, 146, 0.14);
  background: rgba(250, 251, 253, 0.95);
}

.lab-catalog-group h3 {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #004792;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

html.lang-zh .lab-catalog-group h3 {
  text-transform: none;
  letter-spacing: 0.02em;
}

.lab-catalog-group ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 0.82rem;
  line-height: 1.65;
  color: #444444;
}

.lab-catalog-group ul + ul {
  margin-top: 6px;
}

.lab-token-note {
  font-size: 0.82rem;
  line-height: 1.7;
  color: #555555;
  padding: 14px 16px;
  border: 1px solid rgba(201, 162, 39, 0.25);
  background: rgba(201, 162, 39, 0.06);
}

.lab-token-note a {
  color: #004792;
}

@media (max-width: 768px) {
  .lab-hero-title { font-size: 1.45rem; }
  .lab-section { scroll-margin-top: 72px; }
}