*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1b2430;background:#f6f7f9;line-height:1.6}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header.hero{background:#0f1b2d;color:#fff;padding:56px 0 64px}
.hero h1{font-size:2.3rem;line-height:1.15;margin:.2em 0}.hero p.sub{font-size:1.15rem;color:#c9d4e3}
.tag{display:inline-block;background:#f2b705;color:#0f1b2d;font-weight:700;padding:4px 10px;border-radius:4px;font-size:.85rem}
.grid{display:flex;gap:32px;align-items:center;flex-wrap:wrap}
.book{width:190px;height:260px;background:linear-gradient(160deg,#1d2f4a,#0a1220);border:2px solid #f2b705;border-radius:6px;padding:18px;color:#fff;font-weight:800;box-shadow:0 12px 30px rgba(0,0,0,.4);flex:none}
.book small{display:block;color:#f2b705;font-weight:700;margin-top:14px}
.btn{display:inline-block;background:#f2b705;color:#0f1b2d;text-decoration:none;font-weight:800;padding:14px 26px;border-radius:8px;font-size:1.1rem;margin-top:14px}
section{padding:40px 0}section h2{font-size:1.6rem;margin-top:0}
.card{background:#fff;border-radius:10px;padding:22px 26px;box-shadow:0 1px 4px rgba(0,0,0,.06);margin-bottom:18px}
ul.check{padding-left:0;list-style:none}ul.check li{padding-left:28px;position:relative;margin:6px 0}ul.check li:before{content:"✓";position:absolute;left:0;color:#1a7f4b;font-weight:800}
.cols{columns:2;column-gap:28px}@media(max-width:640px){.cols{columns:1}.hero h1{font-size:1.8rem}}
.price{font-size:2rem;font-weight:800}.note{font-size:.9rem;color:#5a6676}
footer{background:#0f1b2d;color:#c9d4e3;padding:26px 0;font-size:.9rem}footer a{color:#fff;margin-right:16px}
.legal h1{margin-top:30px}.legal{background:#fff;padding:10px 26px 30px;border-radius:10px;margin:30px auto}