:root{color-scheme:light;--bg: #ffffff;--bg-soft: #eef4fa;--card: #f6f9fc;--border: #e1e9f1;--text: #0c1f2b;--muted: #51677a;--brand: #00c6ff;--link: #0b7fab;--btn-bg: #0a90c8;--btn-bg-hover: #0a85bb;--btn-text: #ffffff;--tint: rgba(0, 198, 255, .1);--tint-border: rgba(0, 198, 255, .28);--header-bg: rgba(255, 255, 255, .85);--danger: #e5484d;--radius: 16px;--maxw: 1080px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}h1,h2,h3{line-height:1.2;font-weight:700;color:var(--text)}h1{font-size:clamp(2rem,5vw,3.2rem);margin:0 0 16px}h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:48px 0 16px}h3{font-size:1.25rem;margin:28px 0 10px}p{margin:0 0 16px}.lead{font-size:1.2rem;color:var(--muted);max-width:60ch}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:999px;font-weight:600;font-size:1rem;border:1px solid transparent;cursor:pointer;transition:transform .08s ease,background .2s ease,opacity .2s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--btn-bg);color:var(--btn-text)}.btn-primary:hover{background:var(--btn-bg-hover);color:var(--btn-text)}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn-ghost:hover{background:var(--bg-soft)}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.grid{display:grid;gap:20px}@media (min-width: 720px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}section{padding:32px 0}.section-tight{padding:16px 0}.hero{text-align:center;padding:72px 0 24px;background:radial-gradient(60% 60% at 50% 0%,var(--tint),transparent 70%)}.pill{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--border);color:var(--muted);font-size:.85rem;margin-bottom:16px}.prose{max-width:72ch;margin:0 auto;font-size:1.08rem}.prose h2{margin-top:44px}.prose ul,.prose ol{padding-left:22px;margin:0 0 18px}.prose li{margin:6px 0}.prose .callout{border-left:3px solid var(--brand);background:var(--bg-soft);padding:14px 18px;border-radius:0 12px 12px 0;margin:24px 0}.prose .warn{border-left-color:var(--danger)}.hack{border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin:14px 0;background:var(--card)}.hack h3{margin:0 0 6px;display:flex;align-items:baseline;gap:10px}.hack .num{color:var(--brand);font-variant-numeric:tabular-nums}.faq-list{max-width:72ch;margin:0 auto}details{border:1px solid var(--border);border-radius:12px;padding:4px 18px;margin:10px 0;background:var(--card)}details summary{cursor:pointer;font-weight:600;padding:12px 0;list-style:none;color:var(--text)}details summary::-webkit-details-marker{display:none}details[open] summary{color:var(--link)}.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);background:var(--header-bg);border-bottom:1px solid var(--border)}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text)}.logo:hover{text-decoration:none}.nav{display:flex;align-items:center;gap:22px}.nav a{color:var(--muted);font-weight:500}.nav a:hover{color:var(--text);text-decoration:none}@media (max-width: 640px){.nav .nav-links{display:none}}.site-footer{border-top:1px solid var(--border);margin-top:64px;padding:40px 0;color:var(--muted);font-size:.92rem}.site-footer .cols{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}.site-footer a{color:var(--muted)}.site-footer a:hover{color:var(--text)}.post-meta{color:var(--muted);font-size:.9rem;margin-bottom:8px}.tag{display:inline-block;font-size:.78rem;padding:3px 10px;border-radius:999px;background:var(--tint);color:var(--link);border:1px solid var(--tint-border)}.center{text-align:center}.mt-0{margin-top:0}.stack>*+*{margin-top:16px}