:root { --bg:#f5f5f7; --card:#fff; --text:#1d1d1f; --muted:#6e6e73; --accent:#007aff; --border:#e5e5ea; }
@media (prefers-color-scheme: dark) { :root { --bg:#111214; --card:#1c1c1e; --text:#f2f2f7; --muted:#a1a1a6; --accent:#4c9bff; --border:#2c2c2e; } }
* { box-sizing: border-box; }
body { margin:0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif; background:var(--bg); color:var(--text); line-height:1.55; }
a { color:var(--accent); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
header.top { display:flex; align-items:center; justify-content:space-between; padding-top:18px; padding-bottom:18px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:700; font-size:18px; color:var(--text); text-decoration:none; }
.brand img { width:32px; height:32px; border-radius:8px; }
nav a { margin-left:16px; font-size:14px; text-decoration:none; }
.hero { text-align:center; padding:48px 0 32px; }
.hero img.logo { width:96px; height:96px; border-radius:22px; box-shadow:0 10px 30px rgba(0,0,0,.12); }
.hero h1 { font-size: clamp(30px, 6vw, 46px); letter-spacing:-.02em; margin:18px 0 8px; }
.hero p { font-size:18px; color:var(--muted); max-width:560px; margin:0 auto; }
.btn { display:inline-block; margin-top:22px; background:var(--accent); color:#fff; padding:12px 22px; border-radius:14px; font-weight:600; text-decoration:none; }
.grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap:14px; margin:28px 0; }
.card { background:var(--card); border:1px solid var(--border); border-radius:20px; padding:20px; }
.card h3 { margin:0 0 6px; font-size:17px; }
.card p, .card li { color:var(--muted); font-size:15px; margin:0; }
.card ul { padding-left:18px; margin:8px 0 0; }
.price { font-size:28px; font-weight:700; color:var(--text); margin:6px 0; }
.pro { outline:2px solid #ffb340; }
h2 { font-size:26px; margin:44px 0 6px; letter-spacing:-.01em; }
.shot { display:block; margin:18px auto 0; max-width:100%; width:340px; border-radius:18px; box-shadow:0 10px 30px rgba(0,0,0,.12); }
.doc { background:var(--card); border:1px solid var(--border); border-radius:20px; padding:24px; margin:24px 0 40px; }
.doc h1 { margin-top:0; }
footer { border-top:1px solid var(--border); padding-top:22px; padding-bottom:40px; color:var(--muted); font-size:14px; text-align:center; }
footer a { margin:0 8px; }

.btn2 { background:transparent; color:var(--accent); box-shadow:inset 0 0 0 2px var(--accent); margin-left:8px; }