:root { --fg:#1d2733; --muted:#5f6b7a; --accent:#1f6feb; --bg:#ffffff; --soft:#f3f6fa; }
* { box-sizing: border-box; }
body { margin:0; font:16px/1.55 -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color:var(--fg); background:var(--bg); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.top { border-bottom: 1px solid #e3e8ef; }
.top .wrap { display:flex; align-items:center; justify-content:space-between; height:64px; gap:16px; }
.logo { font-weight:700; font-size:20px; color:var(--fg); text-decoration:none; }
nav { display:flex; gap:18px; align-items:center; flex-wrap:wrap; }
nav a { color:var(--fg); text-decoration:none; }
a { color: var(--accent); }
.btn, .btn-sm { background:var(--accent); color:#fff !important; border:0; border-radius:6px; text-decoration:none; cursor:pointer; }
.btn { display:inline-block; padding:12px 22px; font-size:16px; }
.btn-sm { padding:6px 12px; }
.hero { padding:56px 0 32px; }
.hero h1 { font-size:34px; line-height:1.2; margin:0 0 16px; max-width:760px; }
.hero p { color:var(--muted); max-width:680px; }
.grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(240px, 1fr)); gap:16px; margin:24px 0; }
.card { background:var(--soft); border-radius:10px; padding:20px; }
.card h2 { font-size:19px; margin-top:0; }
.note { margin:32px 0; }
.price { width:100%; border-collapse:collapse; margin:16px 0; }
.price th, .price td { text-align:left; padding:10px; border-bottom:1px solid #e3e8ef; vertical-align:top; }
.login { max-width:380px; margin:48px auto; }
.login label { display:block; margin:12px 0; }
.login input { display:block; width:100%; padding:10px; margin-top:4px; border:1px solid #c9d2dd; border-radius:6px; font-size:16px; }
.err { color:#b42318; }
.muted { color:var(--muted); font-size:14px; }
.foot { border-top:1px solid #e3e8ef; margin-top:48px; padding:20px 0; color:var(--muted); font-size:14px; }
@media (max-width: 600px) { .hero h1 { font-size:26px; } .top .wrap { height:auto; padding:12px 16px; } }