:root{--ink:#0b1020;--body:#3f4655;--muted:#6b7280;--line:#e6e9ef;--soft:#f6f8fb;--brand:#2f5bea;--brand-dark:#1d3fae;--brand-soft:#eef2ff;--teal:#0ea5a4;--green:#0f9d58;--red:#d93a3a;--radius:14px;--shadow:0 1px 2px rgba(11,16,32,.04),0 12px 32px rgba(11,16,32,.06)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}img,svg{max-width:100%}.wrap{max-width:1080px;margin:0 auto;padding:0 22px}.narrow{max-width:780px;margin:0 auto}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}.nav{gap:18px;height:62px}.brand,.nav{display:flex;align-items:center}.brand{gap:10px;font-weight:750;letter-spacing:-.02em;font-size:18px;color:var(--ink)}.brand:hover{text-decoration:none}.brand-mark{width:30px;height:30px;border-radius:9px;display:block}.brand em{font-style:normal;color:var(--brand)}.nav-links{display:flex;gap:22px;margin-left:12px;font-size:14px;color:var(--body)}.nav-links a{color:inherit}.nav-links a:hover{color:var(--brand);text-decoration:none}.nav-spacer{flex:1 1}.nav-cta{font-size:13.5px;font-weight:650;color:#fff;background:var(--brand);padding:7px 14px;border-radius:9px;white-space:nowrap}.nav-cta:hover{background:var(--brand-dark);text-decoration:none}.hero{background:radial-gradient(900px 380px at 50% -160px,rgba(47,91,234,.13),transparent 70%),linear-gradient(180deg,#fbfcff,#fff);border-bottom:1px solid var(--line);padding:46px 0 40px}.hero h1{font-size:clamp(30px,4.4vw,44px);line-height:1.15;letter-spacing:-.03em;margin:0 0 12px;text-align:center;font-weight:760}.hero .lede{text-align:center;color:var(--body);font-size:17px;max-width:720px;margin:0 auto 18px}.badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:0 0 26px}.badge{font-size:12.5px;color:#374151;background:#fff;border:1px solid var(--line);padding:4px 10px;border-radius:999px;display:inline-flex;align-items:center;gap:6px}.badge b{color:var(--ink);font-weight:650}.dot-ok{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}.tool-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:18px;max-width:860px;margin:0 auto}.drop{border:2px dashed #cfd7ea;border-radius:14px;background:#f8faff;padding:34px 20px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s,transform 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.sub{color:var(--muted);margin:0 0 26px;font-size:15px}.prose{font-size:15.5px;color:var(--body)}.prose h2{color:var(--ink);font-size:23px;margin:34px 0 10px}.prose h3{color:var(--ink);font-size:17px;margin:24px 0 6px}.prose p{margin:0 0 14px}.prose ol,.prose ul{padding-left:20px;margin:0 0 16px}.prose li{margin:6px 0}.prose strong{color:var(--ink)}.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--soft);padding:2px 5px;border-radius:4px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}.card h3{margin:0 0 6px;font-size:15.5px}.card p{margin:0;font-size:13.8px;color:var(--body)}.card .ico{font-size:20px;margin-bottom:8px;display:block}.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;grid-gap:14px;gap:14px}.steps 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34px;margin-top:20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;grid-gap:24px;gap:24px}.site-footer h4{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 10px}.site-footer ul{list-style:none;padding:0;margin:0;font-size:13.5px}.site-footer li{margin:6px 0}.site-footer a{color:var(--body)}.site-footer a:hover{color:var(--brand);text-decoration:none}.footer-bottom{border-top:1px solid var(--line);margin-top:26px;padding-top:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.breadcrumb,.footer-bottom{font-size:12.5px;color:var(--muted)}.breadcrumb{margin:20px 0 -6px}.breadcrumb a,.updated{color:var(--muted)}.updated{font-size:12.5px;text-align:center;margin-top:10px}@media (max-width:860px){.footer-grid,.grid3,.rel-grid{grid-template-columns:1fr 1fr}.nav-links{display:none}}@media (max-width:560px){.hero{padding:32px 0 28px}.grid3,.rel-grid{grid-template-columns:1fr}.settings{gap:12px}.tool-card{padding:12px}.drop{padding:26px 14px}.section{padding:40px 0}}