/* V9.6 SEO content layout: native to the V7.6 mother-site visual system. */
.seo-page{background:#fff}.seo-hero .page-hero-grid{align-items:center}.seo-hero .page-hero-copy{max-width:760px}.seo-support{margin:18px 0 0;padding:14px 16px;border:1px solid rgba(31,122,224,.14);border-radius:14px;background:rgba(31,122,224,.055);font-size:14px;color:var(--muted)}.seo-support strong{color:var(--text)}
.seo-topic-visual .visual-shell{min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px;isolation:isolate}.seo-topic-visual .visual-shell:before,.seo-topic-visual .visual-shell:after{z-index:-2}.seo-topic-icon{width:92px;height:92px;border-radius:28px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(31,122,224,.12),rgba(24,183,141,.12));border:1px solid rgba(31,122,224,.10);box-shadow:0 24px 70px rgba(20,45,80,.12);position:relative;z-index:2}.seo-topic-icon svg,.seo-section-icon svg{fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.seo-topic-icon svg{width:46px;height:46px}.seo-topic-visual strong{font-size:24px;position:relative;z-index:2}.seo-topic-visual>div>span{color:var(--muted);position:relative;z-index:2}.seo-orbit{position:absolute;border:1px dashed rgba(31,122,224,.14);border-radius:999px;z-index:-1}.seo-orbit-a{width:220px;height:220px}.seo-orbit-b{width:280px;height:150px;transform:rotate(-16deg)}.seo-visual-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:4px;position:relative;z-index:2}.seo-visual-tags i{font-style:normal;font-size:12px;font-weight:750;color:var(--primary-dark);padding:6px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 18px rgba(29,39,51,.04)}
.seo-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px;align-items:start}.seo-article{display:grid;gap:18px}.seo-section{display:grid;grid-template-columns:58px minmax(0,1fr);gap:18px;padding:26px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 16px 42px rgba(25,50,85,.055)}.seo-section h2{margin:0 0 8px;font-size:23px;line-height:1.32}.seo-section p{margin:0;color:var(--muted);line-height:1.85}.seo-section-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:rgba(31,122,224,.075);border:1px solid rgba(31,122,224,.08)}.seo-section-icon svg{width:27px;height:27px}.seo-aside .sticky{position:sticky;top:96px;display:grid;gap:12px}.seo-aside .content-box h3{margin:0}.seo-aside .content-box>p{margin:-2px 0 5px}.section-head.compact{margin-bottom:18px}.section-head.compact h2{font-size:30px}.section-inline{padding-top:14px}.wide{width:100%;justify-content:center;margin-top:2px}
.topic-link{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 15px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);text-decoration:none;transition:.2s ease;min-width:0}.topic-link:hover{transform:translateY(-2px);border-color:rgba(31,122,224,.28);box-shadow:0 12px 26px rgba(29,39,51,.05)}.topic-link strong{min-width:0;overflow-wrap:anywhere}.topic-link span{color:var(--muted);font-size:13px;white-space:nowrap}.topic-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.seo-hub{display:grid;gap:22px}.seo-hub .content-box{padding:30px}.seo-hub .content-box h2{margin:0 0 18px}.seo-hub .topic-links{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:1000px){.seo-layout{grid-template-columns:minmax(0,1fr) 280px}.seo-page .page-hero-grid{grid-template-columns:minmax(0,1fr) 340px;gap:36px}}
@media(max-width:900px){.seo-layout{grid-template-columns:1fr}.seo-aside .sticky{position:static}.topic-links,.seo-hub .topic-links{grid-template-columns:1fr}.seo-page .page-hero-grid{grid-template-columns:1fr}.seo-topic-visual{min-height:260px}}
@media(max-width:640px){.seo-section{grid-template-columns:1fr;padding:20px}.seo-topic-visual .visual-shell{min-height:230px}.seo-topic-icon{width:78px;height:78px;border-radius:24px}.seo-topic-icon svg{width:38px;height:38px}.topic-link span{white-space:normal;text-align:right}.seo-hub .content-box{padding:22px}}