body{font-family:Arial,sans-serif;max-width:1000px;margin:auto;padding:30px 18px;line-height:1.8;color:#e5eef8;background:#071224}header,main,footer{background:#0d1b31;border:1px solid #263b58;border-radius:16px;padding:24px;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;background:#10243c;padding:12px 16px}