*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:#222;background:#fff;padding:20px}header{text-align:center;max-width:1000px;margin:0 auto 30px;padding-bottom:15px;border-bottom:1px solid #eee}.container{max-width:1000px;margin:0 auto}h1{font-size:28px;margin-bottom:12px;color:#111}h2{font-size:22px;margin:28px 0 14px}h3{font-size:19px;margin:22px 0 10px}p{margin-bottom:12px}.feature-box{background:#f7f9fc;padding:16px 18px;border-radius:8px;margin-bottom:16px}.feature-box h3{margin-top:0}.btn{display:inline-block;padding:10px 20px;background:#005fcc;color:#fff;border-radius:6px;text-decoration:none;margin:10px 0}.faq-item{margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #eee}.faq-question{font-weight:600;margin-bottom:6px}.footer{text-align:center;margin-top:40px;padding-top:20px;border-top:1px solid #eee;font-size:14px;color:#666}