:root {
  --bg: #f6f8fc;
  --bg-elev: #ffffff;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --border-strong: #94a3b8;
  --text: #0f172a;
  --muted: #475569;
  --accent: #0284c7;
  --accent-2: #059669;
  --danger: #e11d48;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

html[data-theme="dark"] {
  --bg: #080d14;
  --bg-elev: #0f1724;
  --bg-card: rgba(15, 23, 36, 0.88);
  --border: rgba(56, 189, 248, 0.18);
  --border-strong: rgba(56, 189, 248, 0.42);
  --text: #e6edf7;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #34d399;
  --danger: #fb7185;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  transition: background 0.2s ease, color 0.2s ease;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(15, 23, 42, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.035) 1px, transparent 1px);
  background-size: 38px 38px;
}

html[data-theme="dark"] .bg-grid {
  background-image:
    linear-gradient(to right, rgba(56, 189, 248, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent-2);
}

.brand-sub {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-link {
  font-size: 14px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 8px;
}

.nav-link:hover {
  color: var(--accent);
}

.chip-btn {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  padding: 6px 11px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.chip-btn:hover {
  border-color: var(--border-strong);
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 20px 64px;
}

.hero {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 28px;
  align-items: center;
  padding: 22px 0 38px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.22;
}

.hero-desc {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #061019;
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 10px 26px rgba(34, 211, 238, 0.24);
}

.btn-primary:hover {
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.hero-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.hero-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.hero-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0b1322;
  overflow: hidden;
}

.hero-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.badge-live {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(8, 13, 20, 0.86);
  color: var(--accent-2);
  border: 1px solid rgba(52, 211, 153, 0.45);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.hero-card-body {
  padding: 16px 18px 18px;
}

.hero-card-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.emblem {
  border-radius: 9px;
  border: 1px solid var(--border);
  object-fit: cover;
}

.hero-card-title-row h2 {
  margin: 0;
  font-size: 19px;
  line-height: 1.25;
}

.muted {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.card-summary {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.catalog-section,
.notes-section {
  margin-top: 34px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.section-head h2,
.notes-section h2 {
  margin: 0;
  font-size: 22px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--muted);
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.filter-btn.active {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

html[data-theme="dark"] .filter-btn.active {
  color: #061019;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.project-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.project-code {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}

.project-tag {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.project-card h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.project-card p {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--muted);
}

.project-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.project-card.is-planned .project-foot {
  color: var(--muted);
}

.notes-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.note-card {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.note-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.note-card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* ========== Digital Lab Bento & Subpages ========== */
.pill,
.card-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(2, 132, 199, 0.08);
  border: 1px solid rgba(2, 132, 199, 0.2);
}

html[data-theme="dark"] .pill,
html[data-theme="dark"] .card-badge {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.28);
}

aside.hero-card {
  padding: 20px;
}

.brand-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: 0;
  cursor: pointer;
  transition: transform 0.14s ease, filter 0.14s ease;
}

html[data-theme="dark"] .primary-btn {
  color: #061019;
}

.primary-btn:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 11px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  transition: border-color 0.14s ease, background 0.14s ease;
}

.ghost-btn:hover {
  border-color: var(--accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 6px 12px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid transparent;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.nav-link:hover {
  color: var(--text);
  background: var(--bg-elev);
}

.nav-link.is-active {
  color: var(--accent);
  background: rgba(2, 132, 199, 0.08);
  border-color: rgba(2, 132, 199, 0.24);
}

html[data-theme="dark"] .nav-link.is-active {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.28);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.bento-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.kpi-tile {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #f8fafc;
}

html[data-theme="dark"] .kpi-tile {
  background: rgba(15, 23, 42, 0.45);
}

.kpi-link {
  display: block;
  text-decoration: none;
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.kpi-link:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.kpi-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

.kpi-val {
  display: block;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.kpi-sub {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: var(--accent-2);
}

.featured-duo {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.duo-card {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  align-items: center;
  transition: border-color 0.16s ease, transform 0.16s ease;
}

.duo-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.duo-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: #0b1120;
}

.duo-body h3 {
  margin: 4px 0 6px;
  font-size: 18px;
}

.duo-body p {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
}

.badge-kind {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}

.badge-bench {
  color: #0369a1;
  background: #e0f2fe;
  border-color: #bae6fd;
}

.badge-game {
  color: #047857;
  background: #d1fae5;
  border-color: #a7f3d0;
}

.badge-tool {
  color: #b45309;
  background: #fef3c7;
  border-color: #fde68a;
}

.badge-live {
  position: static;
  top: auto;
  left: auto;
  color: #be185d;
  background: #fce7f3;
  border-color: #fbcfe8;
}

html[data-theme="dark"] .badge-bench {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.3);
}

html[data-theme="dark"] .badge-game {
  color: #34d399;
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.3);
}

html[data-theme="dark"] .badge-tool {
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.3);
}

html[data-theme="dark"] .badge-live {
  color: #f472b6;
  background: rgba(244, 114, 182, 0.12);
  border-color: rgba(244, 114, 182, 0.3);
}

.subpage-hero {
  margin-top: 22px;
  padding: 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.subpage-hero h1 {
  margin: 6px 0 8px;
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.15;
}

.subpage-hero p {
  margin: 0;
  max-width: 700px;
  color: var(--muted);
}

.tabs-bar {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tabs-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tab-btn {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--muted);
  padding: 9px 15px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.tab-btn.is-active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

html[data-theme="dark"] .tab-btn.is-active {
  color: #061019;
}

.bench-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.stage-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.stage-card {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.stage-card.is-winner {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.25);
}

.stage-card-head {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
}

.stage-frame-box {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #050811;
}

.stage-frame-box iframe {
  position: absolute;
  top: 0;
  left: 0;
  border: 0;
  transform-origin: 0 0;
  display: block;
}

.stage-card-foot {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.vote-panel {
  margin-top: 18px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.vote-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.vote-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.vote-btn {
  padding: 8px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.vote-btn:hover {
  border-color: var(--accent);
}

.vote-btn.is-chosen {
  background: var(--accent-2);
  color: #ffffff;
  border-color: var(--accent-2);
}

html[data-theme="dark"] .vote-btn.is-chosen {
  color: #051610;
}

.vote-bars {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.vote-stat {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #f8fafc;
}

html[data-theme="dark"] .vote-stat {
  background: rgba(15, 23, 42, 0.35);
}

.vote-stat-head {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 6px;
}

.bar-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s ease;
}

.reveal-panel {
  margin-top: 16px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid rgba(52, 211, 153, 0.35);
  background: rgba(16, 185, 129, 0.06);
}

.table-scroll {
  overflow-x: auto;
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 10px;
}

.ledger-table th,
.ledger-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.ledger-table th {
  color: var(--muted);
  font-weight: 600;
}

.ref-collapse {
  margin-top: 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 12px 16px;
}

.ref-collapse summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  color: var(--accent);
}

.ref-imgs {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.ref-imgs img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.r01-wrap {
  margin-top: 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
}

.r01-iframe {
  width: 100%;
  height: 620px;
  border: 0;
  display: block;
}

/* Calculator */
.calc-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 18px;
}

.calc-panel {
  padding: 20px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 18px;
}

.calc-field {
  margin-bottom: 16px;
}

.calc-field-head {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.calc-field-head strong {
  color: var(--accent);
}

.calc-field input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.verdict-box {
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(56, 189, 248, 0.08);
  margin-bottom: 16px;
}

.verdict-box h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.verdict-box p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.bar-compare-list {
  display: grid;
  gap: 10px;
}

.bar-compare-item {
  display: grid;
  gap: 5px;
  font-size: 13px;
}

.bar-compare-top {
  display: flex;
  justify-content: space-between;
}

/* Live Stats */
.live-kpi-row {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.live-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.funnel-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.funnel-row {
  display: grid;
  grid-template-columns: 110px 1fr 78px;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.site-footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 960px) {
  .hero,
  .featured-duo,
  .calc-grid,
  .live-grid {
    grid-template-columns: 1fr;
  }
  .stage-grid {
    grid-template-columns: 1fr;
  }
  .live-kpi-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .project-grid,
  .notes-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .duo-card {
    grid-template-columns: 1fr;
  }
  .vote-bars,
  .live-kpi-row {
    grid-template-columns: 1fr;
  }
}