:root{--bg-primary:#0a0a0f;--bg-secondary:#111118;--bg-card:#16161e;--text-primary:#e8e8ed;--text-secondary:#8888a0;--text-muted:#555568;--accent:#22c55e;--accent-dim:#16a34a;--border:#1e1e2a;--radius:8px;--max-width:1100px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans SC,sans-serif;line-height:1.7}a{color:var(--accent);text-decoration:none;transition:opacity .2s}a:hover{opacity:.8}.navbar{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#0a0a0feb;position:fixed;top:0;left:0;right:0}.navbar-inner{max-width:var(--max-width);justify-content:space-between;align-items:center;height:64px;margin:0 auto;padding:0 24px;display:flex}.navbar-logo{color:var(--text-primary);align-items:center;gap:10px;font-size:1.15rem;font-weight:700;display:flex}.navbar-logo .logo-mark{background:var(--accent);color:#fff;border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;font-size:.7rem;font-weight:800;display:flex}.navbar-menu{align-items:center;gap:28px;list-style:none;display:flex}.navbar-menu a{color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:color .2s}.navbar-menu a:hover{color:var(--text-primary)}.hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:120px 24px 80px;display:flex;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:radial-gradient(at 40% 60%,#22c55e0f 0%,#0000 60%);width:120%;height:100%;position:absolute;top:-30%;left:-10%}.hero h1{letter-spacing:-.02em;background:linear-gradient(135deg,#e8e8ed 0%,#8888a0 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:16px;font-size:clamp(2.4rem,6vw,4rem);font-weight:800}.hero p{color:var(--text-secondary);max-width:640px;margin-bottom:40px;font-size:clamp(1rem,2.5vw,1.25rem)}.hero .btn-primary{background:var(--accent);color:#fff;border-radius:var(--radius);align-items:center;gap:8px;padding:14px 32px;font-size:1rem;font-weight:600;transition:background .2s,transform .15s;display:inline-flex}.hero .btn-primary:hover{background:var(--accent-dim);opacity:1;transform:translateY(-1px)}.section{max-width:var(--max-width);margin:0 auto;padding:100px 24px}.section-title{letter-spacing:-.01em;margin-bottom:12px;font-size:1.6rem;font-weight:700}.section-desc{color:var(--text-secondary);max-width:640px;margin-bottom:48px}.card-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;display:grid}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:border-color .2s,transform .15s}.card:hover{border-color:var(--accent);transform:translateY(-2px)}.card h3{margin-bottom:8px;font-size:1.1rem;font-weight:600}.card p{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.feature-icon{border-radius:8px;justify-content:center;align-items:center;width:40px;height:40px;margin-bottom:12px;font-size:1.2rem;display:flex}.feature-icon.blue{background:#4f8cff1f}.feature-icon.green{background:#22c55e1f}.feature-icon.amber{background:#fbbf241f}.feature-icon.purple{background:#a855f71f}.footer{border-top:1px solid var(--border);text-align:center;padding:40px 24px}.footer-inner{max-width:var(--max-width);margin:0 auto}.footer p{color:var(--text-muted);font-size:.82rem;line-height:1.8}.footer a{color:var(--text-secondary)}.footer a:hover{color:var(--accent)}