:root {
  --bg: #07131f;
  --bg-soft: #0c1a2a;
  --panel: rgba(14, 28, 42, 0.82);
  --panel-solid: #102132;
  --panel-alt: #0f1d2d;
  --line: rgba(163, 197, 222, 0.14);
  --line-strong: rgba(184, 224, 255, 0.24);
  --text: #edf5ff;
  --text-soft: rgba(237, 245, 255, 0.82);
  --muted: rgba(191, 210, 226, 0.72);
  --accent: #8de4ff;
  --accent-2: #7dc1ff;
  --accent-3: #d4f4ff;
  --glow: rgba(113, 210, 255, 0.18);
  --shadow-lg: 0 36px 90px rgba(3, 10, 18, 0.42);
  --shadow-md: 0 24px 64px rgba(5, 12, 20, 0.34);
  --shadow-sm: 0 14px 36px rgba(4, 10, 18, 0.28);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100vw - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(105, 199, 255, 0.08), transparent 26%),
    radial-gradient(circle at 85% 12%, rgba(108, 161, 255, 0.08), transparent 20%),
    linear-gradient(180deg, #06111b 0%, #08141f 30%, #0a1622 100%);
  line-height: 1.68;
  letter-spacing: 0.01em;
}
body.gate-locked {
  overflow: hidden;
  height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: var(--container); margin: 0 auto; }
.section { padding: 112px 0; position: relative; }
.section.alt {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0.005)),
    rgba(255, 255, 255, 0.015);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.gate-screen {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  overflow: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
body.entered .gate-screen {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.gate-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 18%, rgba(123, 203, 255, 0.18), transparent 22%),
    radial-gradient(circle at 15% 80%, rgba(134, 184, 255, 0.16), transparent 24%),
    linear-gradient(180deg, rgba(3, 9, 17, 0.84), rgba(4, 10, 18, 0.96));
}
.gate-backdrop::before,
.gate-backdrop::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
}
.gate-backdrop::before {
  width: 420px;
  height: 420px;
  top: -110px;
  right: -50px;
  background: rgba(115, 180, 255, 0.12);
}
.gate-backdrop::after {
  width: 360px;
  height: 360px;
  bottom: -120px;
  left: -80px;
  background: rgba(79, 236, 255, 0.11);
}
.gate-panel {
  position: relative;
  z-index: 1;
  width: min(980px, calc(100vw - 48px));
  padding: 44px 44px 54px;
  text-align: center;
  background: linear-gradient(180deg, rgba(11, 23, 35, 0.78), rgba(7, 18, 29, 0.9));
  border: 1px solid var(--line-strong);
  border-radius: 36px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
}
.gate-mark-wrap { display: flex; justify-content: center; margin-bottom: 20px; }
.gate-mark { width: min(520px, 78vw); }
.gate-kicker,
.section-kicker,
.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--accent);
}
.gate-panel h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}
.gate-copy {
  max-width: 780px;
  margin: 20px auto 0;
  color: var(--text-soft);
  font-size: 18px;
  line-height: 1.76;
}
.gate-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 30px 0 28px;
}
.gate-metric {
  padding: 20px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(184, 224, 255, 0.12);
}
.gate-metric strong {
  display: block;
  font-size: clamp(30px, 3vw, 38px);
  line-height: 1;
  margin-bottom: 8px;
}
.gate-metric span {
  display: block;
  font-size: 13px;
  color: var(--muted);
}
.enter-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 170px;
  padding: 15px 28px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #d9f6ff, #84d7ff 54%, #8ab7ff);
  color: #03111c;
  font-weight: 800;
  letter-spacing: 0.24em;
  cursor: pointer;
  box-shadow: 0 20px 54px rgba(83, 176, 255, 0.32);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}
.enter-button:hover { transform: translateY(-2px); box-shadow: 0 24px 64px rgba(83, 176, 255, 0.36); }

.hero-shell {
  position: relative;
  padding: 42px 0 32px;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(22px);
  pointer-events: none;
}
.hero-glow-a {
  width: 380px;
  height: 380px;
  top: 8px;
  right: -90px;
  background: rgba(85, 183, 255, 0.13);
}
.hero-glow-b {
  width: 300px;
  height: 300px;
  left: -80px;
  top: 120px;
  background: rgba(101, 236, 255, 0.1);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(320px, 420px);
  gap: 32px;
  align-items: stretch;
}
.hero-copy,
.hero-side {
  position: relative;
  z-index: 1;
}
.brand-lockup {
  margin-bottom: 34px;
}
.hero-wordmark {
  width: clamp(260px, 42vw, 520px);
  margin-bottom: 10px;
}
.brand-subtitle {
  margin: 0;
  font-size: 16px;
  color: var(--muted);
}
.hero-copy-block {
  padding: 34px 36px;
  background: linear-gradient(180deg, rgba(14, 28, 42, 0.78), rgba(11, 22, 35, 0.92));
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}
.hero-copy-block h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.hero-lead,
.hero-summary {
  font-size: 18px;
  color: var(--text-soft);
  max-width: 34em;
}
.hero-lead { margin: 18px 0 0; }
.hero-summary {
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(184, 224, 255, 0.12);
}
.key-phrase {
  color: var(--accent-3);
  font-weight: 700;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.button-primary {
  background: linear-gradient(135deg, rgba(215, 244, 255, 0.96), rgba(142, 226, 255, 0.92));
  color: #07141f;
  box-shadow: 0 18px 44px rgba(79, 186, 255, 0.26);
}
.button-secondary {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(184, 224, 255, 0.18);
  color: var(--text);
}
.button-primary:hover,
.button-secondary:hover {
  transform: translateY(-2px);
}
.stats-panel {
  height: 100%;
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 30, 45, 0.86), rgba(10, 20, 31, 0.96));
  box-shadow: var(--shadow-md);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.stat-card {
  min-height: 150px;
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(184, 224, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.stat-value {
  font-size: clamp(42px, 5vw, 58px);
  line-height: 0.96;
  font-weight: 800;
  letter-spacing: -0.04em;
}
.stat-label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}
.hero-mini-note {
  margin-top: 18px;
  padding: 18px 18px 8px;
  border-radius: 22px;
  border: 1px solid rgba(184, 224, 255, 0.12);
  background: rgba(255, 255, 255, 0.035);
}
.mini-note-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid rgba(184, 224, 255, 0.08);
}
.mini-note-row:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.mini-note-label { color: var(--muted); font-size: 14px; }
.mini-note-value { font-weight: 600; }

.section-nav {
  position: sticky;
  top: 18px;
  z-index: 20;
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px;
  background: rgba(9, 18, 28, 0.78);
  border: 1px solid rgba(184, 224, 255, 0.12);
  border-radius: 999px;
  box-shadow: 0 16px 40px rgba(2, 8, 14, 0.22);
  backdrop-filter: blur(18px);
}
.section-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-soft);
  transition: background 0.2s ease, color 0.2s ease;
}
.section-nav a:hover { background: rgba(255, 255, 255, 0.06); color: var(--text); }

.section-head {
  max-width: 900px;
  margin-bottom: 34px;
}
.section-head > *:not(.section-kicker) {
  max-width: 64ch;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.section-head-strong h2 { font-size: clamp(42px, 5vw, 62px); }
.section-lead {
  margin: 18px 0 0;
  font-size: 18px;
  color: var(--text-soft);
  max-width: 58ch;
}
.brand-word {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: linear-gradient(135deg, #f4fbff 0%, #9ce8ff 38%, #95b9ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 4px 18px rgba(119, 218, 255, 0.22);
}

.feature-grid,
.overview-grid,
.insight-grid,
.quote-grid,
.materials-grid,
.action-grid {
  display: grid;
  gap: 22px;
}
.feature-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature-grid.two-two,
.insight-grid,
.quote-grid,
.materials-grid,
.action-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.overview-grid { grid-template-columns: 1.08fr 0.96fr 0.96fr; }
.feature-card,
.overview-card,
.chart-card,
.finding-card,
.insight-card,
.quote-card,
.action-card,
.material-card,
.extension-panel {
  position: relative;
  overflow: hidden;
  padding: 28px;
  background: linear-gradient(180deg, rgba(14, 28, 42, 0.82), rgba(10, 21, 31, 0.96));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.feature-card::after,
.overview-card::after,
.chart-card::after,
.finding-card::after,
.insight-card::after,
.quote-card::after,
.action-card::after,
.material-card::after,
.extension-panel::after {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 180px;
  height: 180px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(141, 228, 255, 0.12), transparent 70%);
  pointer-events: none;
}
.feature-card::before,
.overview-card::before,
.chart-card::before,
.finding-card::before,
.insight-card::before,
.quote-card::before,
.action-card::before,
.material-card::before,
.extension-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 32%);
  pointer-events: none;
}
.feature-tag,
.finding-index,
.action-level {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(142, 228, 255, 0.12);
  border: 1px solid rgba(142, 228, 255, 0.22);
  color: var(--accent-3);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.feature-card h3,
.finding-card h3,
.insight-card h3,
.action-card h3,
.material-card h3,
.chart-head h3,
.overview-card h3,
.extension-copy h3 {
  margin: 14px 0 10px;
  font-size: 28px;
  line-height: 1.18;
  letter-spacing: -0.03em;
}
.feature-card p,
.finding-card p,
.insight-card p,
.action-card p,
.material-card p,
.overview-card p,
.chart-head p,
.workflow-step p,
.quote-meta,
.action-problem,
.material-card li,
.plain-list li,
.extension-list li {
  color: var(--text-soft);
  font-size: 16px;
  max-width: 40em;
}
.plain-list,
.extension-list,
.link-list {
  margin: 16px 0 0;
  padding-left: 18px;
}
.plain-list li,
.extension-list li,
.link-list li { margin-bottom: 10px; }
.stacked-pill {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.stacked-pill span,
.confidence,
.insight-topic {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(184, 224, 255, 0.12);
  font-size: 13px;
}
.split-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 8px;
}
.split-metrics.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.split-metrics > div {
  padding: 18px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(184, 224, 255, 0.12);
}
.split-number {
  display: block;
  font-size: 36px;
  line-height: 1;
  font-weight: 800;
}
.split-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}
.chart-layout.two-up {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.chart-head { margin-bottom: 18px; }
.chart-head h3 { margin-top: 0; }
.metric-chart { display: grid; gap: 14px; }
.metric-row {
  display: grid;
  grid-template-columns: 132px 1fr 54px;
  gap: 14px;
  align-items: center;
}
.metric-label,
.metric-value {
  font-size: 15px;
}
.metric-value {
  text-align: right;
  color: var(--accent-3);
  font-weight: 700;
}
.metric-track {
  position: relative;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
}
.metric-track span {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(122, 201, 255, 0.92), rgba(141, 233, 255, 0.92));
  box-shadow: 0 0 24px rgba(122, 201, 255, 0.3);
}
.platform-card { margin-top: 22px; }
.platform-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 16px 102px;
}
.legend-chip,
.platform-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(184, 224, 255, 0.12);
  font-size: 13px;
  color: var(--text);
  background: rgba(255,255,255,0.04);
}
.legend-chip i,
.platform-tag::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 999px;
  display: inline-block;
  flex: 0 0 auto;
}
.platform-rows { display: grid; gap: 22px; }
.platform-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  align-items: start;
}
.platform-name {
  padding-top: 12px;
  color: var(--muted);
  font-weight: 700;
}
.platform-body { display: grid; gap: 12px; }
.platform-track {
  display: flex;
  min-height: 18px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(184,224,255,0.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 14px 28px rgba(0,0,0,0.14);
}
.seg { min-width: 4px; }
.platform-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.balance i,
.platform-tag.balance::before,
.seg.balance { background: linear-gradient(135deg, #d8f7ff, #86ddff); }
.team i,
.platform-tag.team::before,
.seg.team { background: linear-gradient(135deg, #e5f6ff, #abcaff); }
.hero i,
.platform-tag.hero::before,
.seg.hero { background: linear-gradient(135deg, #c8ecff, #9de3ff); }
.fairness i,
.platform-tag.fairness::before,
.seg.fairness { background: linear-gradient(135deg, #f1f9ff, #d8e9ff); }
.platform-tag.balance,
.platform-tag.team,
.platform-tag.hero,
.platform-tag.fairness {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.workflow-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 22px;
  align-items: stretch;
}
.workflow-figure {
  margin: 0;
  padding: 16px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(14, 28, 42, 0.82), rgba(10, 21, 31, 0.96));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.workflow-figure img {
  border-radius: 18px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.24);
}
.workflow-steps { display: grid; gap: 16px; }
.workflow-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(14, 28, 42, 0.82), rgba(10, 21, 31, 0.96));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.workflow-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: rgba(142, 228, 255, 0.12);
  border: 1px solid rgba(142, 228, 255, 0.18);
  color: var(--accent-3);
  font-weight: 800;
}
.workflow-step h3 { margin: 0; font-size: 24px; line-height: 1.2; }
.workflow-step p { margin: 10px 0 0; }

.finding-index {
  width: 46px;
  height: 46px;
  font-size: 16px;
}
.insight-topline {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.confidence.high {
  background: rgba(141, 233, 255, 0.12);
  border-color: rgba(141, 233, 255, 0.22);
  color: var(--accent-3);
}
.quote-text {
  margin: 0 0 14px;
  font-size: 26px;
  line-height: 1.45;
  letter-spacing: -0.02em;
}
.quote-meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(184, 224, 255, 0.1);
}
.action-grid { align-items: stretch; }
.action-card h3 {
  margin-top: 16px;
  font-size: clamp(30px, 3.2vw, 38px);
}
.action-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.action-card p { max-width: 44ch; }
.action-card p { margin: 12px 0 14px; }
.action-problem {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(184, 224, 255, 0.1);
}
.extension-panel {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  align-items: start;
}
.material-card a,
.link-list a {
  color: var(--accent-3);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.material-card a:hover,
.link-list a:hover {
  color: #ffffff;
}
.page-footer {
  padding: 36px 0 44px;
  border-top: 1px solid var(--line);
  background: rgba(4, 12, 18, 0.42);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-brand p,
.footer-note { margin: 0; color: var(--muted); }
.footer-wordmark { width: 180px; }

@media (max-width: 1180px) {
  .hero-grid,
  .workflow-wrap,
  .overview-grid,
  .extension-panel,
  .feature-grid.three,
  .feature-grid.two-two,
  .insight-grid,
  .quote-grid,
  .materials-grid,
  .action-grid,
  .chart-layout.two-up {
    grid-template-columns: 1fr;
  }
  .stats-panel { order: -1; }
}

@media (max-width: 900px) {
  :root { --container: min(100vw - 32px, 1000px); }
  .section { padding: 84px 0; }
  .gate-panel { padding: 32px 24px 38px; }
  .gate-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-copy-block { padding: 28px 24px; }
  .section-nav {
    position: static;
    border-radius: 24px;
    padding: 12px;
  }
  .metric-row { grid-template-columns: 110px 1fr 48px; }
}

@media (max-width: 640px) {
  body { line-height: 1.64; }
  .platform-legend { margin-left: 0; }
  .gate-panel h1,
  .hero-copy-block h1,
  .section-head h2,
  .section-head-strong h2,
  .quote-text {
    word-break: break-word;
  }
  .gate-metrics,
  .stats-grid,
  .split-metrics,
  .split-metrics.compact { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .button-primary,
  .button-secondary { width: 100%; }
  .metric-row,
  .platform-row,
  .workflow-step,
  .footer-inner,
  .footer-brand { grid-template-columns: 1fr; display: grid; }
  .metric-value { text-align: left; }
  .platform-name { padding-top: 0; }
  .footer-brand { gap: 10px; }
  .footer-inner { justify-items: start; }
}

/* --- round: mobile gate + richer content --- */
html, body { min-height: 100%; }
body.gate-locked {
  height: calc(var(--app-vh, 1vh) * 100);
  overflow: hidden;
}
.gate-screen {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding:
    max(14px, env(safe-area-inset-top))
    12px
    max(18px, env(safe-area-inset-bottom));
}
.gate-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(980px, 100%);
  max-height: calc(var(--app-vh, 1vh) * 100 - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 28px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.gate-copy,
.gate-metrics,
.gate-action-row { width: 100%; }
.gate-action-row {
  display: flex;
  justify-content: center;
  position: sticky;
  bottom: 0;
  margin-top: auto;
  padding-top: 18px;
  background: linear-gradient(180deg, rgba(7, 18, 29, 0), rgba(7, 18, 29, 0.96) 24%);
}
.enter-button {
  min-height: 56px;
  min-width: 196px;
  padding: 16px 30px;
  position: relative;
  z-index: 2;
  touch-action: manipulation;
}
.enter-button span { pointer-events: none; }
.hero-copy-block,
.stats-panel,
.feature-card,
.finding-card,
.insight-card,
.quote-card,
.action-card,
.material-card,
.reference-card,
.note-card,
.chart-card,
.overview-card {
  box-shadow: var(--shadow-sm);
}
.feature-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.findings-five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.insight-grid.five-up {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.workflow-notes {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.note-card,
.reference-card {
  padding: 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  border: 1px solid rgba(184, 224, 255, 0.12);
}
.note-card h3,
.reference-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.24;
}
.note-card p,
.reference-card p {
  margin: 0;
  color: var(--text-soft);
  max-width: 34ch;
}
.reference-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.reference-type {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.reference-card a {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  color: var(--accent-3);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.reference-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.reference-links a { margin-top: 0; }
.section-head h2,
.section-head-strong h2 {
  max-width: 16ch;
}
.section-lead,
.hero-lead,
.hero-summary,
.gate-copy,
.feature-card p,
.finding-card p,
.insight-card p,
.action-card p,
.material-card p,
.note-card p,
.reference-card p {
  max-width: 52ch;
}
.material-card p,
.feature-card p,
.finding-card p,
.insight-card p,
.action-card p,
.reference-card p,
.note-card p,
.plain-list li,
.extension-list li {
  line-height: 1.76;
}
@media (max-width: 1180px) {
  .feature-grid.four,
  .findings-five,
  .insight-grid.five-up,
  .workflow-notes,
  .reference-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 900px) {
  .gate-panel {
    padding: 30px 22px 28px;
    max-height: calc(var(--app-vh, 1vh) * 100 - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 18px);
  }
  .feature-grid.four,
  .findings-five,
  .insight-grid.five-up,
  .workflow-notes,
  .reference-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .gate-screen {
    align-items: start;
  }
  .gate-panel {
    border-radius: 28px;
    min-height: calc(var(--app-vh, 1vh) * 100 - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 14px);
    max-height: none;
    padding: 24px 18px 18px;
  }
  .gate-mark {
    width: min(320px, 92vw);
  }
  .gate-copy {
    font-size: 16px;
    line-height: 1.68;
  }
  .gate-action-row {
    padding-top: 16px;
    padding-bottom: max(4px, env(safe-area-inset-bottom));
  }
  .enter-button {
    width: min(100%, 320px);
  }
  .section-head h2,
  .section-head-strong h2 {
    max-width: 100%;
  }
  .note-card,
  .reference-card {
    padding: 22px 18px;
  }
}


/* --- round: content upgrade + role fit --- */
.hero-bullets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 0;
}
.hero-bullet {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(184, 224, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.hero-bullet span {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.hero-bullet strong {
  display: block;
  font-size: 15px;
  line-height: 1.5;
}
.action-fit {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}
.role-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.role-card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  background: linear-gradient(180deg, rgba(14, 28, 42, 0.82), rgba(10, 21, 31, 0.96));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.role-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 32%);
  pointer-events: none;
}
.role-card::after {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 180px;
  height: 180px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(141, 228, 255, 0.12), transparent 70%);
  pointer-events: none;
}
.role-type {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.role-card h3 {
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.18;
  letter-spacing: -0.03em;
}
.role-card p {
  margin: 0;
  color: var(--text-soft);
  max-width: 42ch;
  line-height: 1.76;
}
.role-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
}
.role-links a {
  color: var(--accent-3);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.role-links a:hover { color: #fff; }
.value-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.section-head.section-head-strong .section-lead { max-width: 60ch; }
@media (max-width: 1180px) {
  .hero-bullets,
  .role-grid,
  .value-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .hero-bullets,
  .role-grid,
  .value-grid { grid-template-columns: 1fr; }
}