:root{color-scheme:dark;--bg:#0a0e1f;--bg2:#131a35;--card:#171f3d;--card2:#1e2850;--border:#2c3768;--text:#eaeeff;--muted:#98a2cc;--accent:#7c5cff;--accent2:#22d3ee;--good:#34d399;--good-bg:rgba(52,211,153,.16);--warn:#fbbf24}*{box-sizing:border-box}body,html{margin:0;padding:0}body{min-height:100vh;background:radial-gradient(1200px 800px at 15% -10%,#241b5a 0,transparent 55%),radial-gradient(1000px 700px at 110% 10%,#0e3a52 0,transparent 50%),linear-gradient(160deg,var(--bg),var(--bg2));background-attachment:fixed;color:var(--text);font-family:Segoe UI,system-ui,-apple-system,Roboto,Helvetica,Arial,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent2);text-decoration:none}.container{width:100%;max-width:720px;margin:0 auto;padding:20px 16px 48px}.container.wide{max-width:1100px}.card{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:0 18px 50px 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