#pag-tool-http3-quic-checker{color:#111827;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}#pag-tool-http3-quic-checker *{box-sizing:border-box}#pag-tool-http3-quic-checker p{font-size:16px}#pag-tool-http3-quic-checker .pag-intro{font-size:18px;line-height:1.72;color:#374151;max-width:980px;margin:0 0 16px}#pag-tool-http3-quic-checker .pag-tool-label{font-size:13px;font-weight:900;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px}#pag-tool-http3-quic-checker .pag-panel{border:1px solid #d8e2ef;border-radius:8px;background:#fff;padding:18px;margin:18px 0;box-shadow:0 12px 28px #0f172a0e}#pag-tool-http3-quic-checker .pag-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}#pag-tool-http3-quic-checker .pag-form{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end}#pag-tool-http3-quic-checker .pag-field{display:flex;flex-direction:column;gap:6px}#pag-tool-http3-quic-checker .pag-field label{font-size:13px;font-weight:700;color:#374151}#pag-tool-http3-quic-checker .pag-field input{padding:10px 12px;border:1px solid #cbd5e1;border-radius:6px;font:15px ui-monospace,SFMono-Regular,Consolas,monospace;background:#fff}#pag-tool-http3-quic-checker .pag-btn{padding:10px 18px;border-radius:6px;border:none;background:var(--accent);color:#fff;font-weight:700;cursor:pointer;font-size:14px}#pag-tool-http3-quic-checker .pag-btn:hover{background:var(--accent)}#pag-tool-http3-quic-checker .pag-btn.secondary{background:#475569}#pag-tool-http3-quic-checker .pag-btn.secondary:hover{background:#334155}#pag-tool-http3-quic-checker .pag-btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}#pag-tool-http3-quic-checker .pag-btn.ghost:hover{background:#f0fdfa}#pag-tool-http3-quic-checker .pag-tabs{display:flex;flex-wrap:wrap;border-bottom:2px solid #e2e8f0;margin:18px 0 0;gap:2px}#pag-tool-http3-quic-checker .pag-tabs button{padding:10px 16px;background:transparent;border:none;border-bottom:3px solid transparent;color:#64748b;font-weight:600;cursor:pointer;font-size:14px;margin-bottom:-2px}#pag-tool-http3-quic-checker .pag-tabs button.active{color:var(--accent);border-bottom-color:var(--accent)}#pag-tool-http3-quic-checker .pag-hide{display:none}#pag-tool-http3-quic-checker .pag-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:18px 0}#pag-tool-http3-quic-checker .pag-card{border:1px solid #e2e8f0;border-radius:8px;padding:14px;background:#f8fafc}#pag-tool-http3-quic-checker .pag-card small{display:block;text-transform:uppercase;color:#64748b;font-size:12px;font-weight:900;letter-spacing:.05em}#pag-tool-http3-quic-checker .pag-card strong{display:block;font-size:22px;margin-top:6px;color:#0f172a;word-break:break-word}#pag-tool-http3-quic-checker .pag-card.pag-score strong{font-size:28px;color:var(--accent)}#pag-tool-http3-quic-checker .pag-note{padding:12px 16px;border-radius:6px;margin:14px 0;font-weight:600}#pag-tool-http3-quic-checker .pag-note.pag-good{background:#f0fdf4;border:1px solid #86efac;color:#166534}#pag-tool-http3-quic-checker .pag-note.pag-warn{background:#fffbeb;border:1px solid #fcd34d;color:#92400e}#pag-tool-http3-quic-checker .pag-note.pag-bad{background:#fef2f2;border:1px solid #fca5a5;color:#991b1b}#pag-tool-http3-quic-checker .pag-table{width:100%;border-collapse:collapse;margin:14px 0}#pag-tool-http3-quic-checker .pag-table th,#pag-tool-http3-quic-checker .pag-table td{text-align:left;padding:10px 14px;border-bottom:1px solid #e2e8f0;font-size:14px;vertical-align:top}#pag-tool-http3-quic-checker .pag-table th{background:#f8fafc;font-weight:700}#pag-tool-http3-quic-checker .pag-pre{background:#0f172a;color:#e2e8f0;padding:14px;border-radius:6px;font:13px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;overflow:auto;white-space:pre-wrap;word-break:break-all;max-height:520px}#pag-tool-http3-quic-checker .pag-error{color:#991b1b;background:#fef2f2;border:1px solid #fca5a5;padding:10px 14px;border-radius:6px;display:none;margin:10px 0;font-size:14px;font-weight:600}#pag-tool-http3-quic-checker .pag-mini{font-size:13px;color:#64748b;margin:8px 0 0}#pag-tool-http3-quic-checker .h3-versions{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:14px 0}#pag-tool-http3-quic-checker .h3-ver{border:1px solid #e2e8f0;border-radius:8px;padding:18px;background:#fff;text-align:center}#pag-tool-http3-quic-checker .h3-ver.ok{border-color:#10b981;background:#f0fdf4}#pag-tool-http3-quic-checker .h3-ver.no{border-color:#fca5a5;background:#fef2f2}#pag-tool-http3-quic-checker .h3-ver h4{margin:0 0 4px;font-size:20px;font-weight:900;color:#0f172a}#pag-tool-http3-quic-checker .h3-ver .h3-state{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}#pag-tool-http3-quic-checker .h3-ver.ok .h3-state{color:#166534}#pag-tool-http3-quic-checker .h3-ver.no .h3-state{color:#991b1b}#pag-tool-http3-quic-checker .h3-ver p{margin:8px 0 0;font-size:13px;color:#475569}@media(max-width:900px){#pag-tool-http3-quic-checker .pag-form{grid-template-columns:1fr}}