:root{--seo-ink:#18192b;--seo-muted:#666b78;--seo-line:#e7e7f0;--seo-purple:#6c4cff;--seo-pink:#ec3e9e;--seo-green:#14976b;--seo-soft:#f7f7fb;--seo-card:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--seo-ink);background:var(--seo-soft);line-height:1.68}a{color:#5a43ce;text-decoration:none}a:hover{text-decoration:underline}.seo-top{height:82px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 24px}.seo-brand img{display:block;width:205px;max-height:58px;object-fit:contain;object-position:left center}.seo-nav{display:flex;gap:24px;align-items:center;color:#565b68;font-size:14px}.seo-nav a:hover{text-decoration:none;color:#15161b}.seo-shell{max-width:1120px;margin:auto;padding:42px 24px 82px}.breadcrumbs{font-size:13px;color:#777b8a;margin-bottom:24px}.breadcrumbs a{color:#666b78}.article-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:42px;align-items:center;padding:42px;background:#fff;border:1px solid var(--seo-line);border-radius:28px;box-shadow:0 18px 52px rgba(40,34,75,.07)}.article-hero.no-image{grid-template-columns:1fr}.seo-kicker{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:999px;background:#eeebff;color:#6048d7;font-size:11px;font-weight:900;letter-spacing:.08em}.seo-kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--seo-purple),var(--seo-pink))}h1{font-size:46px;line-height:1.08;letter-spacing:-.035em;margin:16px 0 16px}h2{font-size:28px;line-height:1.23;letter-spacing:-.02em;margin:0 0 13px}h3{font-size:20px;margin:24px 0 8px}.seo-lead{font-size:18px;color:#616576;margin:0}.hero-media{margin:0;border-radius:22px;overflow:hidden;border:1px solid #e2def5;background:#f0eff9;box-shadow:0 16px 38px rgba(47,38,91,.11);line-height:0}.hero-media img{display:block;width:100%;height:auto;aspect-ratio:8/5;object-fit:cover}.hero-media.contain img{object-fit:contain;background:#fff}.hero-caption{line-height:1.45;padding:11px 13px;background:#fff;color:#74788a;font-size:12px}.quick-answer{margin:26px 0 0;padding:20px 22px;border:1px solid #d9d1ff;border-radius:18px;background:linear-gradient(135deg,#f3f0ff,#fff7fc)}.quick-answer b{display:block;margin-bottom:5px;color:#4c3aad}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:28px;margin-top:28px}.article-content,.article-side{background:#fff;border:1px solid var(--seo-line);border-radius:24px}.article-content{padding:38px 42px}.article-content section{padding:28px 0;border-bottom:1px solid #ececf3}.article-content section:first-child{padding-top:0}.article-content section:last-child{border-bottom:0;padding-bottom:0}.article-content p{margin:10px 0}.article-content ul,.article-content ol{padding-left:22px}.article-content li{margin:8px 0}.article-side{height:max-content;padding:20px;position:sticky;top:18px}.article-side b{display:block;margin-bottom:8px}.article-side a{display:block;padding:8px 0;border-bottom:1px solid #eeeeF4;font-size:13px}.article-side a:last-child{border-bottom:0}.note{padding:17px 18px;border:1px solid #ded8ff;border-radius:16px;background:#f7f5ff;color:#4a4280;margin:17px 0}.note.green{background:#eef9f4;border-color:#cfeadd;color:#286e53}.note.warn{background:#fff8e9;border-color:#eee0b8;color:#6f5b27}.compare{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}.compare th,.compare td{padding:12px;border:1px solid #e6e5ee;text-align:left;vertical-align:top}.compare th{background:#f7f5ff}.seo-cta{margin:28px 0;padding:27px;border-radius:22px;background:linear-gradient(135deg,#30236f,#6948e6 55%,#d73b91 125%);color:#fff}.seo-cta h2{color:#fff;margin-bottom:8px}.seo-cta p{color:rgba(255,255,255,.82)}.seo-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:17px}.seo-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 17px;border-radius:13px;background:#fff;color:#3d2ca2;font-weight:850}.seo-btn:hover{text-decoration:none;transform:translateY(-1px)}.seo-btn.secondary{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff}.faq-list details{padding:16px 18px;border:1px solid #e8e7ef;border-radius:14px;background:#fbfbfe;margin:10px 0}.faq-list summary{cursor:pointer;font-weight:800}.related{margin-top:28px}.related-grid,.hub-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.related-card,.hub-card{display:block;padding:19px;border:1px solid #e7e6ef;border-radius:17px;background:#fff}.related-card:hover,.hub-card:hover{text-decoration:none;border-color:#cfc6ff;box-shadow:0 10px 28px rgba(50,41,100,.07)}.related-card small,.hub-card small{display:block;color:#878b99;margin-bottom:5px}.related-card b,.hub-card b{color:#232438}.hub-intro{max-width:800px}.hub-grid{margin-top:28px}.hub-card{min-height:150px}.hub-card span{display:inline-block;margin-top:11px;color:#6249d6;font-size:13px;font-weight:800}.seo-footer{max-width:1120px;margin:0 auto;padding:0 24px 44px}.footer-contact{display:grid;grid-template-columns:190px minmax(0,1.5fr) minmax(0,1fr);gap:26px;align-items:center;padding:25px 28px;text-align:left;border:1px solid var(--seo-line);border-radius:22px;background:#fff;box-shadow:0 12px 34px rgba(48,41,84,.06)}.footer-brand img{display:block;width:170px;max-height:58px;object-fit:contain;object-position:left center}.footer-contact b,.footer-contact span{display:block}.footer-contact b{margin-bottom:5px;font-size:14px}.footer-contact span{line-height:1.55;color:#737786}.footer-links{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin:18px 0 13px;font-size:13px}.copyright{text-align:center;color:#858897;font-size:13px}.article-image{margin:20px 0;border:1px solid #e2def5;border-radius:18px;overflow:hidden;background:#f5f5fb}.article-image img{display:block;width:100%;height:auto}.article-image figcaption{padding:10px 13px;color:#787c8e;font-size:12px;background:#fff}.store-pending{font-size:13px;color:#696d7f;margin-top:10px}.seo-source{font-size:13px;color:#74788a}.seo-source a{text-decoration:underline}.article-meta{display:flex;gap:14px;flex-wrap:wrap;color:#858999;font-size:12px;margin-top:14px}
@media(max-width:900px){.seo-nav{gap:12px}.article-hero{grid-template-columns:1fr;padding:30px}.article-layout{grid-template-columns:1fr}.article-side{position:static;order:-1}.related-grid,.hub-grid{grid-template-columns:1fr 1fr}.footer-contact{grid-template-columns:1fr;text-align:center}.footer-brand img{margin:auto;object-position:center}}
@media(max-width:640px){.seo-top{height:auto;padding:18px 18px;align-items:flex-start;gap:14px;flex-direction:column}.seo-brand img{width:170px}.seo-nav{width:100%;overflow-x:auto;white-space:nowrap;padding-bottom:3px}.seo-shell{padding:28px 16px 60px}.article-hero{padding:24px 20px;border-radius:22px;gap:22px}.article-hero h1,h1{font-size:35px}.seo-lead{font-size:16px}.article-content{padding:26px 20px}.article-side{padding:18px}.related-grid,.hub-grid{grid-template-columns:1fr}.seo-actions{flex-direction:column}.seo-btn{width:100%}.compare{display:block;overflow-x:auto;white-space:normal}.seo-footer{padding:0 16px 34px}}

.reference-list{padding-left:22px}.reference-list li{margin:10px 0}.reference-list a{font-weight:750}.reference-list li::marker{color:var(--seo-purple)}