:root{--orange:#F47820;--orange-dark:#d85e08;--ink:#20252b;--muted:#68717b;--line:#e6e8eb;--soft:#fff7f1;--green:#18845f;--red:#c23b44;--shadow:0 10px 30px rgba(38,42,48,.08)}*{box-sizing:border-box}html{font-family:Inter,"Segoe UI",Arial,sans-serif;background:#f6f7f9;color:var(--ink)}body{margin:0;min-height:100vh}a{color:inherit}.app-header{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;gap:28px;position:sticky;top:0;z-index:20}.brand-wrap{display:flex;align-items:center}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:205px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:var(--orange);color:#fff;font-weight:900;font-size:22px;box-shadow:0 7px 18px rgba(244,120,32,.28)}.brand b{display:block;font-size:17px;letter-spacing:.04em}.brand 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