:root{--ink:#142019;--muted:#5d6962;--bg:#f6f7f3;--card:#fff;--line:#dce2dc;--brand:#1f6b43;--brand2:#e8f2ec;--accent:#e7a51a;--danger:#a13b2b;--radius:18px;--shadow:0 10px 30px rgba(20,32,25,.07)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px max(20px,calc((100vw - 1160px)/2));background:rgba(246,247,243,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.brand{font-weight:900;font-size:1.35rem;letter-spacing:-.04em}.brand span{color:var(--brand)}nav{display:flex;gap:22px;font-weight:650}.menu-btn{display:none;border:0;background:none;font-size:1.4rem}main{max-width:1160px;margin:auto;padding:32px 20px 70px}.hero{padding:58px 0 30px;display:grid;grid-template-columns:1.35fr 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