body{font-family:Inter,sans-serif;margin:0;padding:0;background-color:#f7f8fa;color:#222;line-height:1.6}div{margin:0 auto;padding:1rem 2rem;max-width:800px}h1,h2,h3{margin-bottom:.5rem;font-weight:600;color:#111}p{margin-bottom:1rem}button{margin-right:.5rem;padding:.5rem 1rem;border:none;border-radius:8px;background-color:#5c6bc0;color:#fff;cursor:pointer;transition:background .2s ease}button:hover{background-color:#3f51b5}input,textarea{width:100%;padding:.5rem;margin-bottom:1rem;border-radius:6px;border:1px solid #ccc;font-size:1rem;box-sizing:border-box}a{text-decoration:none;color:#5c6bc0}a:hover{text-decoration:underline}div[data-win]{background:#fff;padding:1rem 1.5rem;border-radius:10px;margin-bottom:1rem;box-shadow:0 2px 5px #0000000d}