html,body{margin:0;padding:0;overflow-x:hidden;height:100%}body.index-body{background-color:#036;color:#111;font-family:Segoe UI,sans-serif;overflow-y:auto}.index-box{background:#fff;border-radius:16px;max-width:700px;margin:4rem auto;padding:2rem;box-shadow:0 0 20px #0003}.responsive-logo{width:clamp(150px,25vw,220px);height:auto}