*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#14181f;background:#fff;line-height:1.5}
a{color:inherit}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid #e6e8ec}header .wrap{display:flex;justify-content:space-between;align-items:center;height:64px;flex-wrap:wrap}
.logo{font-weight:800;font-size:20px;text-decoration:none}.logo span{color:var(--accent,#1f6feb)}
nav a{margin-left:18px;text-decoration:none;font-size:15px;color:#4a5361}
.btn{display:inline-block;background:var(--accent,#1f6feb);color:#fff;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:600;border:0;cursor:pointer;font-size:15px}
.btn.ghost{background:#fff;color:#14181f;border:1px solid #cfd4db}
.hero{padding:72px 0 56px}.hero h1{font-size:44px;line-height:1.1;margin:0 0 14px;max-width:720px}.hero p{font-size:19px;color:#4a5361;max-width:600px;margin:0 0 26px}
section{padding:48px 0;border-top:1px solid #f0f1f4}h2{font-size:28px;margin:0 0 22px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{border:1px solid #e6e8ec;border-radius:14px;padding:22px;background:#fff}.card h3{margin:0 0 4px}.price{font-size:30px;font-weight:800;margin:6px 0 12px}
.card ul{padding-left:18px;margin:0 0 16px;color:#3a4250}.card.feat{border:2px solid var(--accent,#1f6feb)}
.tag{display:inline-block;font-size:12px;font-weight:700;background:#eef3ff;color:#1f4fb0;padding:3px 9px;border-radius:99px;margin-bottom:8px}
details{border-bottom:1px solid #e6e8ec;padding:14px 0}summary{font-weight:600;cursor:pointer}
label{display:block;font-size:14px;font-weight:600;margin:12px 0 4px}input,select,textarea{width:100%;padding:11px;border:1px solid #cfd4db;border-radius:9px;font:inherit}
.note{font-size:13px;color:#6b7482}footer{padding:28px 0;color:#6b7482;font-size:14px;border-top:1px solid #e6e8ec}
.demo-banner{background:#fff4d6;color:#6b4e00;text-align:center;font-size:13px;font-weight:600;padding:7px}
.steps{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.steps span{font-size:13px;padding:5px 11px;border-radius:99px;background:#f0f1f4;color:#4a5361}.steps span.on{background:var(--accent);color:#fff}
.opt{display:flex;justify-content:space-between;align-items:center;border:1px solid #e6e8ec;border-radius:12px;padding:16px;margin-bottom:10px;cursor:pointer}.opt.sel{border:2px solid var(--accent)}
.slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}.slots button{padding:10px;border:1px solid #cfd4db;background:#fff;border-radius:9px;font:inherit;cursor:pointer}.slots button.sel{background:var(--accent);color:#fff;border-color:var(--accent)}
.book{max-width:560px}
@media(max-width:600px){nav a:not(.btn){display:none}.hero h1{font-size:34px}}