/* theme: rainbow-gradient — 彩虹渐变点缀（白底） */
:root{
  --bg:#ffffff;--bg-soft:#f8f8fb;--surface:#ffffff;--surface-2:#f4f4f8;
  --border:rgba(20,20,40,.08);--border-strong:rgba(20,20,40,.2);
  --text-1:#0c0d10;--text-2:#4d5162;--text-3:#9096a8;
  --accent:#ff4d8b;--accent-2:#7a5cff;--accent-3:#36b6ff;
  --good:#1aaf6c;--warn:#f5a524;--bad:#e0445a;
  --grad:linear-gradient(90deg,#ff0080,#ff4d00,#ff9900,#ffe600,#00c853,#0091ea,#6200ea,#ff0080);
  --grad-soft:linear-gradient(135deg,#fff,#f8f8fb);
  --radius:16px;--radius-sm:10px;--radius-lg:24px;
  --shadow:0 12px 32px rgba(124,92,255,.1);
  --shadow-lg:0 24px 60px rgba(124,92,255,.18);
  --font-sans:'Inter','Noto Sans SC',sans-serif;
}
.gradient-text{background-size:200% auto;animation:rbflow 6s linear infinite}
@keyframes rbflow{to{background-position:200% 0}}