:root{--bg:#0b0f14;--fg:#0e1116;--text:#0b0f14;--brand:#18a058;--muted:#6b7280}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#111;background:#fff}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid #f1f2f3;z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px}
.brand .logo{width:28px;height:28px}
.brand-name{font-weight:700}
.nav a{margin-left:16px;color:#111;text-decoration:none}
.nav a:hover{color:var(--brand)}
.hero{background:linear-gradient(180deg,#f8fffb, #ffffff 60%);padding:80px 0}
.hero-inner{max-width:800px}
.hero h1{font-size:40px;margin:0 0 10px}
.hero p{color:#334155;margin:0 0 20px}
.btn{display:inline-block;padding:10px 18px;border-radius:10px;text-decoration:none}
.btn.primary{background:var(--brand);color:#fff}
.btn.ghost{border:1px solid #cbd5e1;color:#111}
.cta-group a{margin-right:10px}
.section{padding:64px 0}
.section.alt{background:#f9fafb}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{padding:20px;border:1px solid #eef0f2;border-radius:14px;background:#fff}
.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.mock{width:100%;border:1px solid #e5e7eb;border-radius:16px}
.ticks{padding-left:20px}
.ticks li{margin:6px 0}
.site-footer{padding:28px 0;border-top:1px solid #f1f2f3;background:#fff}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.page{max-width:800px;padding:40px 0}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}.two-col{grid-template-columns:1fr}}