:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#082a50;color:#edf6ff}*{box-sizing:border-box}body{margin:0;padding:24px}main{max-width:880px;margin:auto;padding:32px;background:linear-gradient(140deg,#15558c,#103969);border:2px solid #77caff;border-radius:18px;box-shadow:0 6px #041b36}h1{font-size:clamp(30px,5vw,44px);margin:12px 0}h2{color:#ffdd55;font-size:22px;margin:0 0 12px}p,li{line-height:1.75}li{margin:8px 0}section{margin-top:34px;scroll-margin-top:20px}a{color:#a9ecff;text-underline-offset:4px}a:focus-visible{outline:3px solid #ffdd55;outline-offset:4px}.brand{display:block;font-weight:900;letter-spacing:2px;color:#ffdd55;margin-top:26px}.version,footer{color:#c0d8ed;font-size:14px}.notice{padding:18px;border:1px solid #ffdd55;border-radius:10px;background:#594b243b;line-height:1.6}nav{display:flex;gap:12px 22px;flex-wrap:wrap;padding:22px 0;border-bottom:1px solid #6db3dd66}footer{border-top:1px solid #6db3dd66;padding-top:20px;margin-top:32px}@media(max-width:600px){body{padding:12px}main{padding:20px}h2{font-size:20px}}