:root{--bg:#f7f9fc;--card:#fff;--text:#111827;--muted:#6b7280;--brand:#2563eb;--brand2:#65a30d;--dark:#0f172a;--line:#e5e7eb;--soft:#f8fafc;--shadow:0 12px 35px rgba(15,23,42,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{text-decoration:none;color:inherit}a:hover{color:var(--brand)}.wrap{max-width:1120px;margin:auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;min-width:0}.brand-wordmark{display:block;width:210px;max-width:44vw;height:auto;object-fit:contain}.nav{display:flex;gap:24px;align-items:center}.nav a{color:#374151;font-weight:600;font-size:15px}.nav 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