:root{--green:#157a5a;--green2:#0d5c44;--gold:#f4b942;--ink:#17252a;--paper:#f7faf8;--white:#fff;--line:#dbe7e1;--muted:#65746e;--blue:#2878b5;--danger:#b42318;--shadow:0 14px 35px #16382c12}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1120px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:#fffffff4;backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{height:70px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px;color:var(--green)}.logo-mark{width:34px;height:40px;border-radius:50% 50% 50% 9px;background:linear-gradient(145deg,#07955e,var(--green2));transform:rotate(-45deg);display:grid;place-items:center;color:var(--gold)}.logo-mark 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