:root{color-scheme:dark;--bg:#07090d;--panel:#0f131a;--line:#1e2531;--text:#e8edf4;--muted:#9aa6b8;--accent:#5b8cff;--green:#22c98a}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}img{max-width:100%;height:auto}
.seo-top{position:sticky;top:0;z-index:2;display:flex;align-items:center;gap:18px;padding:12px max(18px,calc((100vw - 1100px)/2));background:rgba(7,9,13,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.seo-brand{display:flex;align-items:center;gap:8px;color:var(--text);text-decoration:none;font-weight:700}.seo-top nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}.seo-top nav a{color:var(--muted);text-decoration:none}.seo-top nav a[aria-current=page],.seo-top nav a:hover{color:var(--text)}
.seo-cta{margin-left:auto;white-space:nowrap;font-size:14px;font-weight:600;color:#fff;background:var(--accent);padding:8px 14px;border-radius:999px;text-decoration:none}
main{padding:40px 18px 20px}article{max-width:860px;margin:0 auto}
.seo-kicker{margin:0;color:var(--green);font-size:12px;font-weight:700;letter-spacing:.14em}h1{font-size:clamp(30px,5vw,46px);line-height:1.12;margin:10px 0 14px}.seo-lead{font-size:18px;color:#c9d2df}
h2{font-size:24px;margin:38px 0 8px}section p,section li{color:#cfd7e3}section ul{padding-left:20px}
.seo-actions{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.seo-button{display:inline-block;padding:11px 18px;border-radius:10px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600}.seo-button.is-secondary{background:transparent;border:1px solid var(--line);color:var(--text)}
.seo-shot{margin:26px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#000}.seo-shot figcaption{padding:10px 14px;font-size:13px;color:var(--muted)}
.seo-faq details{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:10px 0;background:var(--panel)}.seo-faq summary{cursor:pointer;font-weight:600}
.seo-related ul{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0}.seo-related a{display:inline-block;padding:8px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none}
.seo-note{margin:40px 0 10px;padding:14px 16px;border-left:3px solid var(--accent);background:var(--panel);font-size:13px;color:var(--muted)}
.seo-foot{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;padding:26px 18px 40px;font-size:13px;color:var(--muted);border-top:1px solid var(--line)}.seo-foot a{color:var(--muted)}
@media(max-width:760px){.seo-top nav{display:none}}
.seo-lang{font-size:13px;color:var(--muted);text-decoration:none;border:1px solid var(--line);padding:6px 10px;border-radius:999px}.seo-lang:hover{color:var(--text)}
.seo-crumbs{font-size:13px;color:var(--muted);margin-bottom:6px}.seo-crumbs a{color:var(--muted);text-decoration:none}.seo-meta{color:var(--muted);font-size:14px;margin:-6px 0 8px}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px}th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600}td{color:#cfd7e3}
.seo-tool{display:grid;gap:14px;margin:24px 0;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.seo-tool label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
.seo-tool input{font:inherit;color:var(--text);background:#0a0d12;border:1px solid var(--line);border-radius:9px;padding:10px 12px}.seo-tool input:focus{outline:2px solid var(--accent);outline-offset:1px}
.seo-tool fieldset{border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;gap:12px;margin:0}.seo-tool legend{padding:0 6px;font-weight:600;color:var(--text)}
.seo-result{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:6px 0 0}.seo-result div{padding:12px;border:1px solid var(--line);border-radius:10px;background:#0a0d12}.seo-result dt{font-size:13px;color:var(--muted)}.seo-result dd{margin:4px 0 0;font-size:22px;font-weight:700;color:var(--green)}
.seo-error{color:#ff7b7b}
.seo-cards{list-style:none;padding:0;display:grid;gap:12px;margin:24px 0}.seo-cards a{display:grid;gap:4px;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);text-decoration:none}.seo-cards strong{color:var(--text);font-size:18px}.seo-cards span{color:var(--muted);font-size:14px}
@media(min-width:761px){.seo-tool:not(:has(fieldset)){grid-template-columns:repeat(3,1fr)}}