:root {
  --accent: #f9c74f;
  --accent-2: #c77dff;
  --bg: #160d24;
  --panel: #25143a;
  --ink: #fff8e7;
  --muted: #d9cde6;
  --line: color-mix(in srgb, var(--ink) 16%, transparent);
  --shadow: 0 24px 70px color-mix(in srgb, #000 52%, transparent);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 6%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 31rem),
    radial-gradient(circle at 92% 14%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 28rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; background: var(--accent); color: #111; border-radius: .6rem; }
.skip-link:focus { top: 1rem; }
.site-header {
  width: min(1180px, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: .75rem .9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  backdrop-filter: blur(18px);
  position: sticky;
  top: .75rem;
  z-index: 20;
}
.brand { display: flex; gap: .75rem; align-items: center; text-decoration: none; min-width: 14rem; }
.brand img { border-radius: .8rem; box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 25%, transparent); }
.brand span { display: grid; }
.brand strong { font-size: .95rem; letter-spacing: .01em; }
.brand small { color: var(--muted); font-size: .72rem; }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem; }
nav a { padding: .55rem .78rem; border-radius: .65rem; text-decoration: none; color: var(--muted); font-weight: 750; font-size: .82rem; }
nav a:hover, nav a:focus-visible, nav a[aria-current="page"] { color: var(--ink); background: color-mix(in srgb, var(--accent) 16%, transparent); outline: none; }
main { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; }
.hero { min-height: 34rem; padding: 5.6rem 0 3.2rem; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(2rem, 5vw, 5rem); }
.hero-copy h1 { margin: .35rem 0 1rem; font-size: clamp(2.65rem, 6vw, 5.5rem); line-height: .98; letter-spacing: -.055em; max-width: 12ch; }
.eyebrow { margin: 0; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; font-weight: 900; font-size: .75rem; }
.lead { color: var(--muted); font-size: clamp(1.03rem, 2vw, 1.25rem); max-width: 62ch; }
.hero-actions { display: flex; gap: .7rem; flex-wrap: wrap; margin: 1.7rem 0 1rem; }
.button { display: inline-flex; justify-content: center; padding: .82rem 1.05rem; border-radius: .8rem; text-decoration: none; font-weight: 900; border: 1px solid var(--line); }
.button.primary { background: var(--accent); color: #101010; border-color: transparent; }
.button.secondary { background: color-mix(in srgb, var(--panel) 75%, transparent); }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 10px 28px color-mix(in srgb, var(--accent) 25%, transparent); outline: 2px solid var(--accent); outline-offset: 2px; }
.route-note { color: var(--muted); font-size: .82rem; max-width: 62ch; }
.reference-shot { margin: 0; padding: .75rem; border: 1px solid var(--line); border-radius: 1.5rem; background: color-mix(in srgb, var(--panel) 80%, transparent); box-shadow: var(--shadow); transform: rotate(1.2deg); }
.reference-shot img { width: 100%; aspect-ratio: 1100 / 497; object-fit: cover; object-position: center; border-radius: 1rem; }
.reference-shot.logo-shot { max-width: 31rem; justify-self: center; background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 18%, var(--panel)), var(--panel)); }
.reference-shot.logo-shot img { aspect-ratio: 167 / 160; object-fit: contain; max-height: 26rem; }
.reference-shot figcaption { padding: .7rem .35rem .15rem; color: var(--muted); font-size: .78rem; }
.intent-strip { display: grid; grid-template-columns: auto 1fr auto 1fr; gap: .65rem 1rem; padding: 1.1rem; border: 1px solid var(--line); border-radius: 1rem; background: color-mix(in srgb, var(--panel) 82%, transparent); }
.intent-strip span { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.review-note, .source-box { margin: 4rem 0 1.25rem; padding: 1.3rem 1.45rem; border-left: .25rem solid var(--accent); background: color-mix(in srgb, var(--panel) 72%, transparent); border-radius: 0 1rem 1rem 0; }
.review-note p:last-child, .source-box p:last-child { margin-bottom: 0; }
.source-box a { color: var(--accent); font-weight: 800; }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.25rem 0 5rem; }
.content-card { position: relative; overflow: hidden; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1.2rem; background: linear-gradient(160deg, color-mix(in srgb, var(--panel) 94%, transparent), color-mix(in srgb, var(--panel) 68%, transparent)); }
.content-card::after { content: ""; position: absolute; width: 8rem; height: 8rem; right: -4rem; bottom: -4rem; border-radius: 50%; background: color-mix(in srgb, var(--accent-2) 16%, transparent); }
.content-card h2 { margin: .7rem 0 .6rem; line-height: 1.15; font-size: 1.4rem; }
.content-card p, .content-card li { color: var(--muted); }
.card-index { color: var(--accent); font-weight: 950; font-variant-numeric: tabular-nums; }
.check-list { padding-left: 1.1rem; }
.check-list li { margin: .42rem 0; }
.faq-section { margin: 3rem 0 5rem; }
.faq-section h2 { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -.035em; max-width: 17ch; line-height: 1.05; }
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
details { border: 1px solid var(--line); border-radius: 1rem; padding: 1rem 1.1rem; background: color-mix(in srgb, var(--panel) 80%, transparent); }
summary { cursor: pointer; font-weight: 850; }
details p { color: var(--muted); margin-bottom: 0; }
.boundary { margin: 4rem 0; padding: clamp(1.4rem, 4vw, 2.7rem); display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; border: 1px solid var(--line); border-radius: 1.5rem; background: linear-gradient(125deg, color-mix(in srgb, var(--accent) 18%, var(--panel)), color-mix(in srgb, var(--accent-2) 12%, var(--panel))); }
.boundary h2 { margin: .5rem 0 0; line-height: 1.12; }
.boundary > p { color: var(--muted); }
footer { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 2rem 0 4rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 2rem; color: var(--muted); font-size: .82rem; }
footer p { margin: .25rem 0; }
body.layout-evidence .content-card { border-radius: .35rem; }
body.layout-troubleshooter .content-grid { counter-reset: cards; }
body.layout-troubleshooter .content-card { border-left: .3rem solid var(--accent); }
body.layout-recovery .hero-copy h1 { font-family: Georgia, serif; letter-spacing: -.04em; }
body.layout-checklist .content-card { box-shadow: inset 0 0 0 .2rem color-mix(in srgb, var(--accent) 5%, transparent); }
body.layout-status .intent-strip strong { color: var(--accent); }
body.layout-map .reference-shot { transform: rotate(-1.2deg); }
body.layout-timeline .content-card:nth-child(2) { transform: translateY(1.1rem); }
body.layout-ledger .content-card { background-image: linear-gradient(var(--line) 1px, transparent 1px); background-size: 100% 2.5rem; }
body.layout-shield .hero::before { content: "鉁?; position: absolute; color: color-mix(in srgb, var(--accent) 12%, transparent); font-size: 20rem; z-index: -1; }
body.layout-shield .hero { position: relative; }
@media (max-width: 900px) {
  .site-header { position: static; align-items: flex-start; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 3.5rem; }
  .hero-copy h1 { max-width: 15ch; }
  .content-grid { grid-template-columns: 1fr; }
  .faq-list, .boundary { grid-template-columns: 1fr; }
  .intent-strip { grid-template-columns: 1fr 2fr; }
}
@media (max-width: 560px) {
  .site-header, main, footer { width: min(100% - 1.1rem, 1180px); }
  .brand { min-width: 0; }
  .brand small { display: none; }
  .hero { padding-top: 2.5rem; }
  .hero-copy h1 { font-size: clamp(2.4rem, 14vw, 4.25rem); }
  .reference-shot { padding: .45rem; border-radius: 1rem; transform: none !important; }
  .hero-actions .button { width: 100%; }
  footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}