:root{color-scheme:dark;--ink:#eef7ff;--muted:#a9c1dc;--line:#315880;--card:#123962;--link:#77f0d1}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% 0,#164f86,#071f42 55%);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}main{width:min(760px,calc(100% - 32px));margin:auto;padding:48px 0 72px}.brand{display:inline-block;color:var(--link);font-weight:800;text-decoration:none;letter-spacing:.03em;margin-bottom:28px}h1{font-size:clamp(36px,8vw,58px);line-height:1;margin:0 0 10px}h2{font-size:21px;margin:34px 0 8px}p,li{color:var(--muted)}a{color:var(--link)}.updated{font-size:14px}.card{background:linear-gradient(145deg,#174875,#0c315b);border:1px solid var(--line);border-radius:22px;padding:8px 22px 18px;margin:26px 0}ul{padding-left:24px}@media(max-width:520px){main{padding-top:30px}h1{font-size:38px}}