:root{--bg:#f8faf7;--card:#fff;--ink:#172033;--muted:#647083;--line:#dfe7ee;--accent:#2f6f73;--accent2:#e8f4f2;--code:#10202a;--codeText:#eaf6f3;--warn:#fff7e5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1120px;margin:0 auto;padding:0 22px}.hero{padding:72px 0 36px;background:linear-gradient(145deg,#f8faf7 0%,#edf6f4 100%);border-bottom:1px solid var(--line)}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--accent);font-weight:750;font-size:13px;text-transform:uppercase;letter-spacing:.12em}.hero h1{font-size:clamp(40px,7vw,76px);line-height:.96;margin:18px 0 20px;letter-spacing:-.055em}.lead{font-size:clamp(18px,2.4vw,23px);max-width:800px;color:#374456;margin:0 0 28px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:13px 18px;background:var(--accent);color:white;font-weight:750;border:1px solid var(--accent);box-shadow:0 10px 22px rgba(47,111,115,.18)}.btn.secondary{background:white;color:var(--ink);border-color:var(--line);box-shadow:none}.btn:hover{text-decoration:none;transform:translateY(-1px)}.meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:30px}.meta div,.toc,.card,.section{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 14px 38px rgba(23,32,51,.05)}.meta b{display:block}.meta span{color:var(--muted);font-size:14px}.layout{display:grid;grid-template-columns:270px 1fr;gap:28px;padding:34px 0 70px}.toc{position:sticky;top:18px;align-self:start;padding:18px}.toc h2{font-size:14px;text-transform:uppercase;letter-spacing:.12em;margin:0 0 12px;color:var(--muted)}.toc a{display:block;padding:7px 0;color:#314050;font-size:14px}.content{min-width:0}.section{margin-bottom:22px;padding:30px;background:var(--card)}.section h2{font-size:clamp(26px,4vw,40px);line-height:1.05;margin:0 0 16px;letter-spacing:-.035em}.section h3{font-size:20px;margin:24px 0 8px}.section p{margin:0 0 14px}.section ul,.section ol{padding-left:22px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{padding:18px;background:#fbfdfc;box-shadow:none}.card h3{margin-top:0}.step{display:grid;grid-template-columns:42px 1fr;gap:14px;margin:16px 0}.num{width:42px;height:42px;border-radius:14px;background:var(--accent2);color:var(--accent);display:grid;place-items:center;font-weight:850}.code,pre{background:var(--code);color:var(--codeText);border-radius:16px;padding:16px;overflow:auto;font-size:14px;line-height:1.5}code{background:#edf4f3;color:#1f6064;border-radius:6px;padding:2px 6px}pre code{background:transparent;color:inherit;padding:0}.note{background:var(--warn);border:1px solid #f2dfac;border-radius:16px;padding:14px 16px;color:#5b4720}.skills{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.skill{border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff}.skill b{display:block}.skill small{display:block;color:var(--muted);margin:3px 0 8px}.skill code{font-size:12px}.tableWrap{overflow:auto;border:1px solid var(--line);border-radius:16px}table{width:100%;border-collapse:collapse;background:white;min-width:620px}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line)}th{background:#f1f7f6;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#506070}tr:last-child td{border-bottom:0}.download{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(135deg,#1f5960,#2f6f73);color:white;border-radius:24px;padding:26px}.download p{color:#dcefed}.download .btn{background:white;color:#17454b;border-color:white}.footer{padding:32px 0 56px;color:var(--muted);font-size:14px}.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}@media(max-width:860px){.layout{display:block}.toc{position:relative;top:auto;margin-bottom:22px}.meta,.grid,.skills{grid-template-columns:1fr}.section{padding:22px}.hero{padding-top:48px}}
