:root{--bg:#fafafa;--fg:#111;--muted:#6b7280;--line:#e5e7eb;--card:#fff;--accent:#111}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,'Apple Color Emoji','Segoe UI Emoji';line-height:1.5}img{max-width:100%;display:block}.container{max-width:1100px;margin:0 auto;padding:0 16px}.container.narrow{max-width:720px}.site-header{position:sticky;top:0;backdrop-filter:blur(6px);background:rgba(255,255,255,.7);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}.brand{display:flex;align-items:center;gap:12px}.brand-badge{width:40px;height:40px;border-radius:999px;background:#e5e7eb;display:grid;place-items:center;font-weight:900}.brand-title{font-weight:600}.brand-sub{font-size:12px;color:var(--muted)}.nav{display:none;gap:8px}.nav a{text-decoration:none}.nav-toggle{display:inline-flex;background:0;border:1px solid var(--line);padding:6px 10px;border-radius:8px}@media(min-width:640px){.nav{display:flex}.nav-toggle{display:none}}.hero{display:grid;gap:24px;padding:48px 0;grid-template-columns:1fr}.hero h1{font-size:40px;line-height:1.1;margin:0}.hero p{font-size:18px;color:var(--muted);margin-top:12px}.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.hero-images{display:grid;gap:12px;grid-template-columns:1fr 1fr}.img-wrap{border-radius:16px;overflow:hidden;background:linear-gradient(135deg,#eee,#fafafa);min-height:220px}.img-wrap.cover img{width:100%;height:100%;object-fit:cover}.img-wrap.contain img{width:100%;height:100%;object-fit:contain}@media(min-width:768px){.hero{grid-template-columns:1fr 1fr;align-items:center;padding:80px 0}.hero h1{font-size:56px}}.features{display:grid;gap:16px;grid-template-columns:1fr;padding:32px 0}.feature{background:var(--card);border:1px solid var(--line);padding:20px;border-radius:16px}.feature h3{margin:0 0 8px 0;font-size:18px}@media(min-width:640px){.features{grid-template-columns:1fr 1fr}}@media(min-width:1024px){.features{grid-template-columns:1fr 1fr 1fr}}.how{padding:32px 0 56px}.how h2{font-size:22px;margin:0}.steps{list-style:none;padding:0;margin:16px 0 20px;display:grid;gap:12px;grid-template-columns:1fr}.steps li{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;align-items:center;gap:12px}.steps li span{width:28px;height:28px;border-radius:999px;background:#111;color:#fff;display:grid;place-items:center;font-weight:700}@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr)}}.btn{border:1px solid var(--line);border-radius:10px;padding:10px 14px;color:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:8px}.btn.primary{border-color:var(--accent);background:var(--accent);color:#fff}.btn.ghost{opacity:.8}.form{display:grid;gap:12px;margin-top:12px}.form label{display:grid;gap:6px;font-weight:500}.form input{padding:10px 12px;border:1px solid var(--line);border-radius:10px}.muted{color:var(--muted);font-size:14px}.site-footer{border-top:1px solid var(--line);margin-top:24px}.footer-inner{padding:20px 0;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.footer-links a{color:var(--muted);text-decoration:underline}