:root{--bg:#fdfeff;--panel:#ffffff;--text:#1a2332;--muted:#6b7280;--link:#2563eb;--border:rgba(0,0,0,0.08)}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,var(--bg),#f0f7ff);color:var(--text)}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:980px;margin:0 auto;padding:24px}.header{position:-webkit-sticky;position:sticky;top:0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:rgba(253,254,255,.85);border-bottom:1px solid var(--border)}.headerInner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px}.brand{font-weight:700;letter-spacing:.3px}.nav{display:flex;gap:14px;color:var(--muted)}.footer{border-top:1px solid var(--border);margin-top:40px}.footerInner{padding:18px 24px;color:var(--muted)}.card{background:rgba(255,255,255,.9);border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:0 1px 3px rgba(0,0,0,.04)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}@media (max-width:760px){.grid{grid-template-columns:1fr}}.h1{font-size:40px;margin:18px 0 6px}.p{line-height:1.55}.kbd,.p{color:var(--muted)}.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;border:1px solid var(--border);padding:2px 6px;border-radius:8px;background:var(--panel)}.post{line-height:1.65}.post h1,.post h2,.post h3{margin-top:22px}.post pre{padding:12px;background:rgba(0,0,0,.03);border:1px solid var(--border);border-radius:12px;overflow:auto}