:root {
  --bg: #0f1419;
  --panel: #171d25;
  --border: #2a3340;
  --text: #e8eef5;
  --muted: #9aa7b5;
  --accent: #5b8def;
  --ok: #6aae7a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(91, 141, 239, 0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family:
    "IBM Plex Sans",
    "Noto Sans TC",
    "Segoe UI",
    sans-serif;
}

.shell {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3rem 0 4rem;
}

.hero {
  margin-bottom: 1.75rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 650;
  letter-spacing: -0.03em;
}

.subtitle-en {
  margin: 0.55rem 0 0.2rem;
  font-size: 1.2rem;
}

.subtitle-zh {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.panel {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 92%, black);
  border-radius: 16px;
  padding: 1.25rem 1.35rem 1.4rem;
}

.panel h2 {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-pill {
  display: inline-block;
  margin: 0 0 1.1rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--ok) 45%, var(--border));
  background: color-mix(in srgb, var(--ok) 14%, transparent);
  color: #c9e6d0;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin: 0;
}

@media (min-width: 640px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}

.grid div {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

.grid dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.grid dd {
  margin: 0.25rem 0 0;
  font-size: 1rem;
  font-weight: 600;
}

.notice {
  margin-top: 1.25rem;
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 1rem 1.15rem;
}

.notice ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.7;
}

.panel-spacer {
  margin-top: 1.1rem;
}

.panel-note {
  margin: -0.35rem 0 1rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.panel-meta {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer {
  margin-top: 1.75rem;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.55;
}

.footer .muted {
  opacity: 0.85;
}