/* theme: aurora — 极光渐变 */
:root{
  --bg:#06091c;--bg-soft:#0a1130;--surface:rgba(255,255,255,.05);--surface-2:rgba(255,255,255,.08);
  --border:rgba(180,220,255,.14);--border-strong:rgba(180,220,255,.28);
  --text-1:#e8f0ff;--text-2:#b4c4e4;--text-3:#6a7a9e;
  --accent:#5ef2c6;--accent-2:#7aa2ff;--accent-3:#c984ff;
  --good:#5ef2c6;--warn:#ffd27a;--bad:#ff8ab0;
  --grad:linear-gradient(135deg,#5ef2c6,#7aa2ff 50%,#c984ff);
  --grad-soft:linear-gradient(135deg,rgba(94,242,198,.2),rgba(201,132,255,.2));
  --radius:20px;--radius-sm:14px;--radius-lg:28px;
  --shadow:0 20px 60px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-lg:0 30px 80px rgba(0,0,0,.55);
  --font-sans:'Inter','Noto Sans SC',sans-serif;
}
body{background:
  radial-gradient(60% 50% at 20% 10%,rgba(94,242,198,.35),transparent 70%),
  radial-gradient(55% 50% at 80% 20%,rgba(122,162,255,.32),transparent 70%),
  radial-gradient(70% 60% at 50% 100%,rgba(201,132,255,.3),transparent 70%),
  #06091c}
.card{backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%)}