body{font-family:Arial,sans-serif;max-width:960px;margin:auto;padding:28px 18px;background:#071224;color:#e5eef8;line-height:1.8}main,header,section{background:#0d1b31;border:1px solid #263b58;border-radius:16px;padding:22px;margin:16px 0}h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.2}h2{color:#67e8f9}a{color:#67e8f9}.en{color:#67e8f9;font-weight:bold}.notice{border-right:4px solid #67e8f9;padding:10px 14px;background:#10243c}