body{background:linear-gradient(180deg,#eff8ff 0%,var(--bg) 100%);color:var(--text);font-family:Arial,Helvetica,sans-serif;min-height:100vh;display:flex;flex-direction:column}main{flex:1}.error-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center}.error-card{background:linear-gradient(135deg,rgba(56,189,248,.18),rgba(255,255,255,.85));border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow);max-width:860px;width:100%}.error-code{font-size:clamp(4rem,10vw,7rem);line-height:1;font-weight:900;color:var(--secondary);letter-spacing:.08em}.error-icon{width:92px;height:92px;margin:0 auto 1rem;border-radius:24px;display:flex;align-items:center;justify-content:center;background:rgba(56,189,248,.16);color:var(--secondary);font-size:2rem}.btn-ice{background:var(--primary);color:var(--text-light);border:none;border-radius:12px;padding:.9rem 1.4rem;font-weight:700;text-decoration:none}.btn-ice:hover{background:var(--primary);color:var(--text-light)}.btn-outline-ice{border:1px solid var(--secondary);color:var(--secondary);border-radius:12px;padding:.9rem 1.4rem;font-weight:700;background:var(--text-light);text-decoration:none}.btn-outline-ice:hover{background:var(--secondary);color:var(--text-light)}.quick-link{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:1rem;height:100%;text-decoration:none;color:var(--secondary);display:block;font-weight:700}.quick-link:hover{color:var(--primary);transform:translateY(-2px);transition:.2s ease}