:root {
  --bg: #0A0B0D;
  --elev: #14151A;
  --text: #F3EEE4;
  --muted: rgba(243,238,228,0.55);
  --gold: #C9A86C;
  --gold-2: #E8D5A3;
  --line: rgba(243,238,228,0.1);
  --serif: "Cormorant Garamond", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(900px 420px at 12% -8%, rgba(201,168,108,0.07), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  padding: 28px 28px 110px;
}
.top {
  max-width: 1100px;
  margin: 0 auto 28px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.brand i { font-style: italic; color: var(--gold-2); }
.brand .sub {
  display: block;
  margin-top: 4px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.back:hover { color: var(--gold-2); border-color: rgba(201,168,108,0.35); }

.wrap {
  max-width: 1100px;
  margin: 0 auto;
}
.hero {
  margin-bottom: 28px;
}
.hero .tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.15;
  margin-bottom: 10px;
}
.hero p {
  max-width: 42em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.panel {
  background: rgba(20,21,26,0.72);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 20px 18px;
  margin-bottom: 18px;
}
.panel h2 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  color: var(--gold-2);
}
.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 6px;
}
.node {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  min-width: 92px;
  max-width: 140px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(243,238,228,0.1);
  text-decoration: none;
  color: inherit;
}
.node b {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.node span {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.35;
}
.node.is-key {
  background: linear-gradient(180deg, rgba(232,213,163,0.16), rgba(201,168,108,0.08));
  border-color: rgba(201,168,108,0.4);
}
.node.is-key b { color: var(--gold-2); }
.node.is-branch {
  border-style: dashed;
  opacity: 0.92;
}
.arrow {
  color: rgba(201,168,108,0.55);
  font-size: 16px;
  padding: 0 2px;
  user-select: none;
}
.note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}
.note b { color: var(--gold-2); font-weight: 500; }

.lanes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 900px) {
  .lanes { grid-template-columns: 1fr; }
  body { padding: 20px 16px 120px; }
}
.lane {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}
.lane h3 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}
.lane ol {
  padding-left: 18px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}
.lane li { margin: 4px 0; }

.cta {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 20;
  display: inline-flex;
  gap: 10px;
  padding: 10px;
  border-radius: 999px;
  background: rgba(12,13,16,0.9);
  border: 1px solid rgba(201,168,108,0.28);
  box-shadow: 0 18px 50px rgba(0,0,0,0.45);
  max-width: calc(100vw - 24px);
}
.cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font: 600 13px/1 var(--sans);
  white-space: nowrap;
}
.cta .primary {
  color: #1a140c;
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
}
.cta .ghost {
  color: var(--gold-2);
  border: 1px solid rgba(201,168,108,0.35);
}
@media (max-width: 720px) {
  .cta .desk-only { display: none; }
}
@media (min-width: 721px) {
  .cta .phone-only { display: none; }
}