:root {
  color-scheme: dark;
  --bg: #07101b;
  --panel: #0d1724;
  --panel2: #111e2c;
  --line: #28415d;
  --line2: #1e334b;
  --text: #f4f7fb;
  --muted: #b9c8d8;
  --gold: #e7c86b;
  --blue: #8bc7ff;
  --green: #72dda0;
  --warn: #ffc86b;
  --red: #ff807a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: linear-gradient(135deg, #06101b 0%, #0e1825 54%, #060b12 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", Arial, sans-serif;
  line-height: 1.5;
}
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar, main, footer { width: min(1440px, 100%); margin: 0 auto; padding-left: clamp(14px, 3vw, 32px); padding-right: clamp(14px, 3vw, 32px); }
.topbar { display: flex; justify-content: space-between; gap: 20px; align-items: flex-end; padding-top: 26px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
h1 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 48px); line-height: 1.08; letter-spacing: 0; }
h2 { margin: 0; font-size: 22px; letter-spacing: 0; }
.eyebrow { margin: 0 0 6px; color: var(--gold); font-size: 12px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.subhead { margin: 0; max-width: 780px; color: var(--muted); }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
nav a, .pill, .asset-button { min-height: 36px; display: inline-flex; align-items: center; justify-content: center; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: rgba(13,23,36,.86); color: var(--text); font-weight: 800; }
main { padding-top: 18px; padding-bottom: 34px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(330px, .6fr); gap: 16px; align-items: stretch; }
.blueprint, .panel, .selector { border: 1px solid var(--line); border-radius: 8px; background: rgba(13,23,36,.9); box-shadow: 0 20px 58px rgba(0,0,0,.32); }
.blueprint { margin: 0; overflow: hidden; }
.blueprint img { display: block; width: 100%; height: auto; }
.blueprint figcaption { padding: 10px 12px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line2); }
.selector, .panel { padding: 16px; }
.asset-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 14px; }
.asset-button { width: 100%; justify-content: space-between; text-align: left; cursor: pointer; font-size: 15px; }
.asset-button.active { border-color: var(--gold); background: rgba(231,200,107,.14); color: var(--gold); }
.readonly-note { margin-top: 14px; padding: 12px; border: 1px solid var(--line2); border-radius: 8px; color: var(--muted); background: #0a1320; }
.panel { margin-top: 16px; }
.panel-title { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 14px; }
.module-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 10px; }
.module-card, .step, .exchange-item { border: 1px solid var(--line2); border-radius: 8px; background: var(--panel2); padding: 12px; min-width: 0; }
.module-card strong, .step strong, .exchange-item strong { color: var(--gold); display: block; margin-bottom: 6px; overflow-wrap: anywhere; }
.module-card span, .step span, .exchange-item span { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.timeline { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 10px; counter-reset: step; }
.step::before { counter-increment: step; content: counter(step); width: 26px; height: 26px; display: inline-flex; align-items: center; justify-content: center; border-radius: 7px; background: var(--gold); color: #101010; font-weight: 900; margin-bottom: 8px; }
.grid { display: grid; gap: 16px; }
.two { grid-template-columns: 1fr 1fr; }
.three { grid-template-columns: repeat(3, 1fr); }
.loop { display: flex; flex-wrap: wrap; gap: 8px; }
.loop span { border: 1px solid var(--line2); border-radius: 8px; padding: 8px 10px; background: var(--panel2); color: var(--text); font-weight: 800; }
.exchange-list { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; }
ul { margin: 12px 0 0; padding-left: 18px; color: var(--muted); }
li { margin: 6px 0; }
.compact h2 { margin-bottom: 4px; }
footer { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 16px; padding-bottom: 28px; color: var(--muted); font-size: 13px; }
@media (max-width: 980px) { .hero-grid, .two, .three { grid-template-columns: 1fr; } .module-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } .timeline { grid-template-columns: repeat(3, minmax(0,1fr)); } .exchange-list { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 560px) { .topbar { display: block; } nav { justify-content: flex-start; margin-top: 14px; } .module-grid, .timeline, .exchange-list { grid-template-columns: 1fr; } .panel-title { align-items: flex-start; flex-direction: column; } h1 { font-size: 30px; } footer { flex-direction: column; } }