:root{--accent:#F5F7FC;--ink:#15203a;--muted:#66728b;--line:#e3e7f0;--bg:#f6f8fc;--card:#fff}*{box-sizing:border-box}html{font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg)}body{margin:0;line-height:1.6}.page-shell{max-width:980px;margin:0 auto;padding:48px 24px 72px}.page-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:42px}.brand-link{font-weight:800;color:var(--ink);text-decoration:none}.home-link{color:var(--accent);font-weight:700;text-decoration:none}.page-card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:36px;box-shadow:0 18px 50px rgba(21,32,58,.07)}h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.05;margin:0 0 18px}h2{font-size:1.25rem;margin:30px 0 8px}p,li{color:var(--muted)}.owner-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0}.owner-row{border:1px solid var(--line);border-radius:14px;padding:12px 14px}.owner-row small{display:block;color:var(--muted)}.owner-row b{display:block;overflow-wrap:anywhere}.page-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.page-links a{color:var(--accent);font-weight:700}.error-code{font-size:clamp(4rem,16vw,9rem);font-weight:900;line-height:.9;color:var(--accent);margin-bottom:20px}@media(max-width:640px){.page-shell{padding:28px 16px 52px}.page-card{padding:24px}.owner-grid{grid-template-columns:1fr}.page-top{align-items:flex-start;flex-direction:column}}