*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Helvetica,Arial,sans-serif;color:#222;line-height:1.7;background:#fff}
.w{max-width:820px;margin:0 auto;padding:0 28px}header{padding:36px 0}header .w{display:flex;justify-content:space-between;align-items:center}
.logo{font-weight:700;letter-spacing:.08em;text-decoration:none;color:#111}nav a{margin-left:22px;color:#555;text-decoration:none;font-size:14px}
h1{font-size:40px;font-weight:600;margin:70px 0 16px}h2{margin-top:60px;font-weight:600}.sub{color:#666;font-size:18px}
.card{border:1px solid #eee;border-radius:12px;padding:26px;margin:20px 0}.card h3{margin:0 0 6px}.price{color:#444;font-size:15px}
footer{margin-top:100px;padding:36px 0;border-top:1px solid #eee;color:#888;font-size:13px}footer a{color:#888;margin-right:16px}