/* 公开官网与在线体验页样式 */
.site-page{background:var(--canvas);min-height:100vh;display:flex;flex-direction:column}
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header-inner{max-width:1100px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.site-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.site-brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,#1e3a8a,#2563eb);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}
.site-brand-text{display:flex;flex-direction:column;line-height:1.2}
.site-brand-text strong{font-size:15px}.site-brand-text small{font-size:11px;color:var(--muted);font-weight:600}
.site-nav{display:flex;gap:6px;flex:1;flex-wrap:wrap}
.site-nav-link{padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700;color:var(--muted);text-decoration:none}
.site-nav-link:hover{color:var(--ink);background:var(--canvas-2)}
.site-nav-link.is-active{color:var(--blue);background:var(--blue-soft)}
.site-header-actions{margin-left:auto}
.site-main{flex:1}
.site-footer{border-top:1px solid var(--line);background:#fff;padding:24px 20px}
.site-footer-inner{max-width:1100px;margin:0 auto;text-align:center;font-size:13px;color:var(--muted)}
.site-footer-links{margin-top:8px}.site-footer-links a{color:var(--blue);text-decoration:none;font-weight:600}
.site-hero{padding:56px 20px 48px;background:radial-gradient(circle at 10% -20%,#bfdbfe 0,transparent 45%),radial-gradient(circle at 90% 0%,#c7d2fe 0,transparent 40%),linear-gradient(180deg,#eef2ff,#f8fafc)}
.site-hero-inner{max-width:720px;margin:0 auto;text-align:center}
.site-hero-kicker{margin:0 0 8px;font-size:13px;font-weight:800;color:var(--blue);letter-spacing:.06em;text-transform:uppercase}
.site-hero h1{margin:0 0 16px;font-size:clamp(28px,5vw,40px);letter-spacing:-.5px;line-height:1.15}
.site-hero-lead{margin:0 auto 28px;max-width:640px;font-size:16px;color:var(--muted);line-height:1.65}
.site-hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.btn--lg{padding:12px 22px;font-size:15px}
.site-section{max-width:1100px;margin:0 auto;padding:40px 20px 48px}
.site-section--muted{background:var(--canvas-2);max-width:none;padding-left:20px;padding-right:20px}
.site-section--muted .site-section-head,.site-section--muted .site-flow,.site-section--muted .site-cta-line{max-width:1100px;margin-left:auto;margin-right:auto}
.site-section-head{margin-bottom:24px}
.site-section-head h2{margin:0 0 6px;font-size:22px}.site-section-head p{margin:0;color:var(--muted);font-size:14px}
.site-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.site-feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.site-feature-card h3{margin:0 0 8px;font-size:16px}.site-feature-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.6}
.site-flow{margin:0;padding:0;list-style:none;display:grid;gap:14px;counter-reset:flow}
.site-flow li{display:grid;gap:4px;padding:16px 18px 16px 52px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);position:relative;counter-increment:flow}
.site-flow li::before{content:counter(flow);position:absolute;left:16px;top:16px;width:28px;height:28px;border-radius:8px;background:var(--blue-soft);color:var(--blue);font-weight:800;font-size:13px;display:grid;place-items:center}
.site-flow span{font-size:13px;color:var(--muted);line-height:1.55}
.site-cta-line{margin:24px auto 0;font-size:14px;color:var(--muted)}.site-cta-line a{font-weight:700}
.site-page-hero{padding:32px 20px 8px;background:linear-gradient(180deg,#eef2ff,transparent)}
.site-page-hero--compact .site-page-hero-inner{max-width:900px;margin:0 auto}
.site-page-hero h1{margin:0 0 10px;font-size:26px}.site-page-hero p{margin:0;font-size:14px;color:var(--muted);line-height:1.65;max-width:720px}
.site-demo-wrap{max-width:900px;margin:0 auto;padding:8px 20px 48px;display:grid;gap:16px}
.guide-page-wrap{max-width:1100px;margin:0 auto;padding:8px 20px 48px}
.guide-page-wrap .page-header h1{display:block;font-size:22px;margin:0 0 8px}
@media (max-width:900px){.guide-layout{grid-template-columns:1fr}.guide-toc{position:static}}