.gas-page[data-astro-cid-njtb5agr]{max-width:600px;margin:0 auto;padding:1.5rem 1rem 3rem}h1[data-astro-cid-njtb5agr]{font-size:1.5rem;font-weight:800;text-align:center;margin-bottom:.2rem}.gas-sub[data-astro-cid-njtb5agr]{text-align:center;color:var(--muted);font-size:.88rem;margin-bottom:1.2rem}.gas-card[data-astro-cid-njtb5agr]{background:#fff;border:1px solid var(--border);border-radius:16px;padding:1.5rem;box-shadow:0 6px 25px #0000000f;margin-bottom:1rem}.gas-grid[data-astro-cid-njtb5agr]{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:.8rem}.gas-group[data-astro-cid-njtb5agr] label[data-astro-cid-njtb5agr]{display:block;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;margin-bottom:4px}.gas-group[data-astro-cid-njtb5agr]>input[data-astro-cid-njtb5agr]{width:100%;border:1.5px solid var(--border);border-radius:8px;padding:11px;font-size:.95rem;font-weight:600;outline:none;font-family:inherit;box-sizing:border-box}.gas-row-input[data-astro-cid-njtb5agr]{display:flex;gap:6px}.gas-row-input[data-astro-cid-njtb5agr] input[data-astro-cid-njtb5agr]{flex:1;border:1.5px solid var(--border);border-radius:8px;padding:11px;font-size:1rem;font-weight:600;outline:none;font-family:inherit;min-width:0}.gas-row-input[data-astro-cid-njtb5agr] select[data-astro-cid-njtb5agr]{width:80px;border:1.5px solid var(--border);border-radius:8px;padding:11px;font-size:.8rem;font-weight:600;outline:none;background:#fff;font-family:inherit}.gas-wrap[data-astro-cid-njtb5agr]{display:flex;border:1.5px solid var(--border);border-radius:8px;overflow:hidden}.gas-wrap[data-astro-cid-njtb5agr] span[data-astro-cid-njtb5agr]{padding:11px;background:#f8f8fb;font-weight:700;color:var(--muted)}.gas-wrap[data-astro-cid-njtb5agr] input[data-astro-cid-njtb5agr]{flex:1;border:none;padding:11px;font-size:.95rem;font-weight:600;outline:none;font-family:inherit}.gas-toggle[data-astro-cid-njtb5agr]{margin-bottom:1rem}.gas-check[data-astro-cid-njtb5agr]{display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600;cursor:pointer}.gas-check[data-astro-cid-njtb5agr] input[data-astro-cid-njtb5agr]{accent-color:var(--blue);width:16px;height:16px}.gas-result[data-astro-cid-njtb5agr]{border-radius:14px;padding:1.2rem;background:linear-gradient(135deg,#eaf4fd,#f0f8ff)}.gas-rg[data-astro-cid-njtb5agr]{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;text-align:center}.gas-rv[data-astro-cid-njtb5agr]{font-size:1.5rem;font-weight:800;color:#3498db;line-height:1.2}.gas-rl[data-astro-cid-njtb5agr]{font-size:.65rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);margin-top:2px}.gas-detail[data-astro-cid-njtb5agr]{text-align:center;font-size:.78rem;color:var(--muted);margin-top:.5rem}.gas-presets[data-astro-cid-njtb5agr]{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:2rem;font-size:13px;color:var(--muted)}.gas-presets[data-astro-cid-njtb5agr] button[data-astro-cid-njtb5agr]{background:#f0f0f5;border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:.78rem;font-weight:600;cursor:pointer;font-family:inherit;transition:all .12s}.gas-presets[data-astro-cid-njtb5agr] button[data-astro-cid-njtb5agr]:hover{background:var(--blue);color:#fff;border-color:var(--blue)}.gas-article[data-astro-cid-njtb5agr]{font-size:.92rem;line-height:1.8;color:#444}.gas-article[data-astro-cid-njtb5agr] h2[data-astro-cid-njtb5agr]{font-size:1.1rem;font-weight:700;color:var(--ink);margin:1.8rem 0 .6rem}.gas-article[data-astro-cid-njtb5agr] p[data-astro-cid-njtb5agr]{margin-bottom:1rem}.gas-article[data-astro-cid-njtb5agr] details[data-astro-cid-njtb5agr]{border-bottom:1px solid var(--border);padding:.6rem 0}.gas-article[data-astro-cid-njtb5agr] summary[data-astro-cid-njtb5agr]{cursor:pointer;font-weight:600;color:var(--ink);font-size:.88rem}.gas-article[data-astro-cid-njtb5agr] details[data-astro-cid-njtb5agr] p[data-astro-cid-njtb5agr]{margin-top:.4rem;font-size:.85rem;color:var(--muted)}.gas-related[data-astro-cid-njtb5agr]{margin-top:2rem;padding-top:1.5rem;border-top:2px solid var(--border)}.gas-related[data-astro-cid-njtb5agr] h2[data-astro-cid-njtb5agr]{font-size:1rem;margin-bottom:.6rem}.gas-rel-grid[data-astro-cid-njtb5agr]{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px}.gas-rel-grid[data-astro-cid-njtb5agr] a[data-astro-cid-njtb5agr]{padding:10px 14px;background:#fff;border:1px solid var(--border);border-radius:8px;text-decoration:none;color:var(--ink);font-size:.83rem;font-weight:600;transition:all .12s}.gas-rel-grid[data-astro-cid-njtb5agr] a[data-astro-cid-njtb5agr]:hover{border-color:var(--blue);background:#f8f7ff}@media (max-width:500px){.gas-grid[data-astro-cid-njtb5agr]{grid-template-columns:1fr}}