:root{--bg-deep:#0a0a0b;--bg-card:#111113;--bg-terminal:#0d0f0d;--green-matrix:#00ff41;--green-soft:#4ade80;--green-dim:#22c55e;--text-primary:#fafafa;--text-secondary:#a1a1aa;--text-muted:#52525b;--border:#27272a;--shadow-card:0 20px 40px -20px #000;--font-sans:"Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg-deep);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;line-height:1.6}a{color:var(--green-soft);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1080px;margin:0 auto;padding:0 1.5rem}.site-header{border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--bg-deep) 85%, 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h2{font-family:var(--font-mono);margin:0 0 .5rem;font-size:1.6rem}.section>.section-head{max-width:40em;margin-bottom:2rem}.section>.section-head p{color:var(--text-secondary);margin:0}.grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem;display:grid}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:1.4rem;transition:border-color .15s}.card:hover{border-color:var(--green-dim)}.card h3{font-family:var(--font-mono);margin:0 0 .5rem;font-size:1.05rem}.card p{color:var(--text-secondary);margin:0;font-size:.93rem}.card .card-meta{color:var(--text-muted);font-size:.8rem;font-family:var(--font-mono);margin-top:.8rem}.page-head{border-bottom:1px solid var(--border);margin-bottom:2.5rem;padding:3.5rem 0 1.5rem}.page-head h1{font-family:var(--font-mono);margin:0 0 .5rem}.page-head p{color:var(--text-secondary);max-width:40em;margin:0}.article{max-width:720px;margin:0 auto;padding:3rem 0}.article h1{font-family:var(--font-mono);margin:0 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0;font-size:.92rem}.article th,.article td{border:1px solid var(--border);text-align:left;padding:.6rem .9rem}.article th{background:var(--bg-card);font-family:var(--font-mono);font-size:.85rem}.pricing-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));align-items:stretch;gap:1.2rem;display:grid}.plan-card{flex-direction:column;display:flex}.plan-card.plan-primary{border-color:var(--green-dim);box-shadow:0 0 30px var(--green-glow-strong)}.plan-price{font-family:var(--font-mono);color:var(--green-matrix);margin:.6rem 0 .2rem;font-size:2.2rem;font-weight:700}.plan-price .plan-period{color:var(--text-muted);font-size:.9rem;font-weight:400}.plan-features{flex:1;margin:1rem 0 1.5rem;padding:0;list-style:none}.plan-features li{color:var(--text-secondary);padding:.3rem 0;font-size:.92rem}.plan-features li:before{content:"✓ ";color:var(--green-soft)}