:root{--bg:#f4f6f2;--ink:#17211d;--muted:#68746d;--line:#d7ded7;--panel:#fff;--green:#164f2d;--green2:#0f6a3a;--orange:#d96c18;--steel:#536a73;--ice:#e8f1f3;--shadow:0 24px 80px #23312a1f}*{box-sizing:border-box}body{min-height:100vh;color:var(--ink);background:linear-gradient(120deg, #164f2d0d, transparent 36%), linear-gradient(180deg, #fbfcf9 0%, var(--bg) 42%, #edf2ee 100%);margin:0;font-family:Arial,Helvetica,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.app{grid-template-columns:220px minmax(0,1fr);min-height:100vh;display:grid}.rail{border-right:1px solid var(--line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffb8;flex-direction:column;gap:28px;height:100vh;padding:28px 22px;display:flex;position:sticky;top:0}.mark{place-items:center;width:86px;height:62px;display:grid}.mark img{object-fit:contain;max-width:86px;max-height:62px;display:block}.rail nav{gap:10px;display:grid}.rail 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