body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(180deg,#f3f4f6 0%,#eef2f7 100%);color:var(--text);font-family:"Segoe UI",Tahoma,Geneva,Verdana,sans-serif}main{flex:1}.error-wrap{padding:70px 0}.error-card,.quick-card{background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.error-card{padding:3rem 2rem;text-align:center}.quick-card{padding:1.5rem;height:100%}.error-code{font-size:5rem;line-height:1;font-weight:800;color:var(--primary);letter-spacing:2px}.error-icon{width:84px;height:84px;margin:0 auto 1.25rem;border-radius:24px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#dbeafe,#e2e8f0);color:var(--accent);font-size:2rem}.btn-main{background:var(--primary);border:1px solid var(--primary);color:var(--text-light);border-radius:999px;padding:.82rem 1.4rem;font-weight:700;text-decoration:none;display:inline-block}.btn-main:hover{background:#55657d;border-color:#55657d;color:var(--text-light)}.btn-accent{background:var(--accent);border:1px solid var(--accent);color:var(--text-light);border-radius:999px;padding:.82rem 1.4rem;font-weight:700;text-decoration:none;display:inline-block}.btn-accent:hover{background:#2563eb;border-color:#2563eb;color:var(--text-light)}.quick-links a{display:block;padding:.75rem 0;color:#334155;text-decoration:none;border-bottom:1px solid #e5e7eb;font-weight:600}.quick-links a:last-child{border-bottom:none}.quick-links a:hover{color:var(--accent)}