.seo-body{background:var(--bg)}.seo-topbar{display:flex;align-items:center;justify-content:space-between;max-width:860px;margin:0 auto;padding:18px 20px}.seo-brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none}.seo-brand svg{width:30px;height:30px}.seo-brand-name{font-size:1.05rem;font-weight:700;color:var(--text-secondary);letter-spacing:-0.01em}.seo-brand-name span{color:var(--accent)}.seo-open-app{padding:8px 16px;border:1.5px solid var(--accent);border-radius:10px;background:var(--accent-surface);color:var(--accent);font-size:0.85rem;font-weight:600;text-decoration:none;transition:background 0.15s}.seo-open-app:hover{background:var(--accent-glow)}.seo-article{max-width:760px;margin:0 auto;padding:12px 20px 40px}.seo-crumbs{font-size:0.78rem;color:var(--text-tertiary);margin-bottom:1.2rem}.seo-article .seo-crumbs a{color:var(--text-secondary);text-decoration:none}.seo-article .seo-crumbs a:hover{color:var(--accent)}.seo-crumbs .sep{margin:0 6px;opacity:0.5}.seo-article h1{font-size:clamp(1.55rem,4vw,2.2rem);font-weight:800;letter-spacing:-0.02em;line-height:1.2;margin-bottom:0.7rem}.seo-lead{font-size:1.02rem;color:var(--text-secondary);line-height:1.6;margin-bottom:1.6rem}.seo-article h2{font-size:1.3rem;font-weight:800;letter-spacing:-0.01em;margin:2.2rem 0 0.7rem}.seo-article h3{font-size:1.05rem;font-weight:700;margin:1.5rem 0 0.5rem}.seo-article p{font-size:0.95rem;line-height:1.65;color:var(--text);margin-bottom:0.9rem}.seo-article ul,.seo-article ol{margin:0 0 1rem 1.3rem;font-size:0.95rem;line-height:1.65}.seo-article li{margin-bottom:0.35rem}.seo-article li::marker{color:var(--accent)}.seo-article a{color:var(--accent)}.seo-article a.lp-cta-btn{color:#fff}.seo-article code{font-family:ui-monospace,'Cascadia Mono',Consolas,monospace;font-size:0.85em;background:var(--bg-subtle);border:1px solid var(--border);border-radius:5px;padding:1px 6px;white-space:nowrap}.seo-article pre{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:14px 16px;overflow-x:auto;margin-bottom:1rem;box-shadow:var(--shadow-sm)}.seo-article pre code{background:none;border:none;padding:0;white-space:pre;font-size:0.8rem;line-height:1.55;color:var(--text)}.seo-tablewrap{overflow-x:auto;margin-bottom:1.1rem;border:1px solid var(--border-strong);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}.seo-article table{width:100%;border-collapse:collapse;font-size:0.85rem;background:var(--surface)}.seo-article th,.seo-article td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--border);vertical-align:top;line-height:1.5}.seo-article th{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-tertiary);background:var(--bg-subtle);white-space:nowrap}.seo-article tr:last-child td{border-bottom:none}.seo-article td code{white-space:nowrap}.seo-note,.seo-warn{border-radius:var(--radius-sm);padding:12px 16px;font-size:0.9rem;line-height:1.6;margin-bottom:1rem}.seo-note{background:var(--accent-surface);border:1px solid var(--accent)}.seo-warn{background:rgba(217,119,6,0.07);border:1px solid rgba(217,119,6,0.45)}@media (prefers-color-scheme:dark){.seo-warn{background:rgba(251,191,36,0.08);border-color:rgba(251,191,36,0.35)}}.seo-cta-inline{display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:linear-gradient(135deg,var(--accent-surface),transparent 70%);border:1.5px solid var(--accent);border-radius:var(--radius-sm);padding:14px 18px;margin:1.4rem 0}.seo-cta-inline p{flex:1 1 260px;margin:0;font-size:0.9rem;color:var(--text)}.seo-cta-inline .lp-cta-btn{margin:0;padding:11px 22px;font-size:0.92rem;flex-shrink:0}.seo-cta-final{text-align:center;margin:2.4rem 0 1rem;padding:2rem 1.5rem;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow-md)}.seo-cta-final h2{margin-top:0}.seo-cta-final p{color:var(--text-secondary);max-width:480px;margin:0.4rem auto 1rem}.seo-related{margin-top:2rem;padding-top:1.2rem;border-top:1px solid var(--border);font-size:0.88rem;color:var(--text-tertiary)}.seo-related a{margin-right:4px}.seo-article .lp-faq{margin-top:0.8rem}.chk-tool{background:var(--surface);border:1.5px solid var(--accent);border-radius:var(--radius);padding:1.4rem 1.5rem;box-shadow:var(--shadow-md);margin:1.2rem 0 1.6rem}.chk-field{margin-bottom:0.9rem}.chk-field label{display:block;font-size:0.82rem;font-weight:600;margin-bottom:5px;color:var(--text-secondary)}.chk-field input{width:100%;padding:11px 13px;border:1.5px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-family:ui-monospace,'Cascadia Mono',Consolas,monospace;font-size:0.95rem;box-sizing:border-box;transition:border-color 0.15s,box-shadow 0.15s}.chk-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.chk-results{margin-top:0.4rem}.chk-row{display:flex;align-items:baseline;gap:8px;padding:7px 0;border-bottom:1px dashed var(--border);font-size:0.9rem}.chk-row:last-child{border-bottom:none}.chk-row .chk-ico{flex-shrink:0;font-weight:800}.chk-row.ok .chk-ico{color:var(--green-text)}.chk-row.bad .chk-ico{color:var(--red)}.chk-row.muted{color:var(--text-tertiary)}.chk-row b{font-weight:700}.chk-cta{display:none;margin-top:1rem;padding:12px 16px;border-radius:var(--radius-sm);font-size:0.9rem;line-height:1.55}.chk-cta.ok{display:block;background:var(--green-surface);border:1px solid var(--green)}.chk-cta.bad{display:block;background:rgba(217,119,6,0.07);border:1px solid rgba(217,119,6,0.45)}@media (prefers-color-scheme:dark){.chk-cta.bad{background:rgba(251,191,36,0.08);border-color:rgba(251,191,36,0.35)}}.chk-cta a{font-weight:700}