:root{--page-accent:#8b5cf6}body{background:var(--bg-body);color:var(--c-body);min-height:100vh;margin:0;padding:0;font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;font-size:13px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}.g-nav{background:var(--bg-nav);z-index:1000;box-shadow:var(--s-nav);border-bottom:1px solid var(--b-subtle);flex-wrap:wrap;align-items:center;padding:0 16px;display:flex;position:sticky;top:0}.g-nav .nav-brand{color:var(--c-heading);border-right:1px solid var(--b-strong);white-space:nowrap;align-items:center;gap:6px;margin-right:8px;padding:10px 16px 10px 0;font-size:13px;font-weight:700;text-decoration:none;display:flex}.g-nav .nav-brand img{height:18px}.g-nav a{color:var(--c-nav);border-bottom:2px solid #0000;padding:10px 14px;font-size:12px;font-weight:500;text-decoration:none;transition:all .2s}.g-nav a:hover{color:var(--c-nav-active)}.g-nav a.active{color:var(--c-nav-active);border-bottom-color:var(--page-accent)}.hero{text-align:center;background:radial-gradient(at 50% 0,#8b5cf61a 0%,#0000 70%);padding:48px 20px 24px}.hero h1{background:linear-gradient(135deg, var(--c-heading) 0%, var(--page-accent) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:26px;font-weight:800}.hero p{color:var(--c-dim);max-width:620px;margin:0 auto;font-size:12px;line-height:1.8}.content{max-width:820px;margin:0 auto;padding:20px}.section{background:var(--bg-section);border:1px solid var(--b-primary);border-radius:12px;margin-bottom:20px;padding:24px}.section h3{color:var(--c-heading);border-bottom:1px solid #8b5cf633;margin-bottom:14px;padding-bottom:8px;font-size:16px}.section p{color:var(--c-secondary);margin-bottom:8px;font-size:13px;line-height:2}.section p:last-child{margin-bottom:0}.section strong{color:var(--c-heading)}.section code{color:#a78bfa;background:#8b5cf61a;border:1px solid #8b5cf633;border-radius:4px;padding:1px 6px;font-family:SF Mono,Fira Code,monospace;font-size:12px}.dt{border-collapse:collapse;width:100%;margin:12px 0;font-size:12px}.dt th{color:#a78bfa;text-align:left;background:#8b5cf614;border-bottom:1px solid #8b5cf633;padding:8px 12px;font-weight:600}.dt td{border-bottom:1px solid var(--b-table);color:var(--c-secondary);padding:8px 12px}.formula{color:#a78bfa;background:#8b5cf60f;border-left:3px solid #8b5cf64d;border-radius:0 8px 8px 0;margin:12px 0;padding:12px 16px;font-family:SF Mono,Fira Code,monospace;font-size:12px;line-height:2}.arch-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:12px 0;display:grid}.arch-card{background:#8b5cf60a;border:1px solid #8b5cf61f;border-radius:8px;padding:14px}.arch-card h4{color:#a78bfa;margin-bottom:6px;font-size:13px}.arch-card p{color:var(--c-muted);margin:0;font-size:12px;line-height:1.8}.vs-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;margin:12px 0;display:grid}.vs-card{background:#8b5cf60a;border:1px solid #8b5cf61f;border-radius:8px;padding:14px}.vs-card h4{color:#a78bfa;margin-bottom:6px;font-size:13px}.vs-card p{color:var(--c-muted);margin:0;font-size:12px;line-height:1.8}.flow{margin:12px 0}.flow-step{color:var(--c-secondary);background:#8b5cf60a;border:1px solid #8b5cf61f;border-radius:8px;margin-bottom:8px;padding:14px;font-size:13px;line-height:2}.flow-step strong{color:#a78bfa}.flow-arrow{text-align:center;color:#8b5cf680;margin:4px 0;font-size:20px}.footer{text-align:center;border-top:1px solid var(--b-subtle);color:var(--c-footer);padding:30px 20px;font-size:11px}.footer img{height:28px;opacity:var(--footer-img-op);margin:0 auto 8px;display:block}.footer a{color:var(--c-footer-link);text-decoration:none}.footer a:hover{color:var(--c-footer-link-h)}