:root {
  --bg: #09090b;
  --fg: #fafafa;
  --muted: #a1a1aa;
  --card: #18181b;
  --border: #27272a;
  --accent: #a1a1aa;
  --live: #4ade80;
  --coming: #fbbf24;
  --radius: 14px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1c1917 0%, var(--bg) 55%);
  color: var(--fg);
  line-height: 1.5;
}

.top, main, .foot {
  width: min(960px, calc(100% - 2rem));
  margin-inline: auto;
}

.top {
  display: flex;
  align-items: center;
  padding: 2rem 0 1rem;
}

.brand { display: flex; gap: 0.9rem; align-items: center; }
.brand h1 { margin: 0; font-size: 1.5rem; font-weight: 650; letter-spacing: 0.02em; }
.brand .muted { margin: 0.15rem 0 0; }

.mark {
  width: 2.25rem; height: 2.25rem; border-radius: 0.7rem;
  background: linear-gradient(135deg, #e4e4e7, #52525b);
  box-shadow: 0 0 0 1px #3f3f46 inset;
}

.muted { color: var(--muted); }
.lede { color: var(--muted); max-width: 42rem; }
.hero { margin: 0.5rem 0 1.5rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  background: color-mix(in srgb, var(--card) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 11rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: #3f3f46; transform: translateY(-1px); }
.card h2 { margin: 0; font-size: 1.15rem; }
.card .sub { margin: 0; color: var(--muted); font-size: 0.92rem; }
.card .note { margin: 0; color: var(--muted); font-size: 0.8rem; flex: 1; }

.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  width: fit-content;
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.live { color: var(--live); border-color: color-mix(in srgb, var(--live) 35%, var(--border)); }
.badge.coming { color: var(--coming); border-color: color-mix(in srgb, var(--coming) 35%, var(--border)); }

.cta {
  display: inline-flex; align-items: center; justify-content: center;
  margin-top: 0.35rem;
  padding: 0.55rem 0.85rem;
  border-radius: 0.7rem;
  text-decoration: none;
  color: var(--bg);
  background: var(--fg);
  font-weight: 600;
  font-size: 0.9rem;
}
.cta[aria-disabled="true"] {
  background: #3f3f46;
  color: #a1a1aa;
  pointer-events: none;
  cursor: not-allowed;
}

.help { margin: 2.2rem 0 1rem; }
.help h2 { font-size: 1rem; margin: 0 0 0.6rem; color: var(--muted); font-weight: 600; }
.help ul { list-style: none; padding: 0; margin: 0 0 0.8rem; display: flex; flex-wrap: wrap; gap: 0.75rem 1.2rem; }
.help a { color: #e4e4e7; }
.fine { font-size: 0.8rem; }
.foot { padding: 1.5rem 0 2.5rem; font-size: 0.8rem; display: flex; gap: 0.4rem; flex-wrap: wrap; }
code { font-size: 0.85em; color: #d4d4d8; }