:root{color-scheme:dark;--bg:#07090d;--panel:#10151d;--line:#27303c;--text:#f4f7fb;--muted:#aeb8c7;--cyan:#25f4ee;--pink:#fe2c55}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;letter-spacing:0}header{position:sticky;top:0;z-index:2;background:rgba(7,9,13,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}nav{max-width:980px;height:68px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;color:var(--text);text-decoration:none}.brand span{color:var(--cyan)}.back{color:var(--text);text-decoration:none;border:1px solid var(--line);padding:10px 14px;border-radius:6px}.back:hover{border-color:var(--cyan)}main{max-width:820px;margin:0 auto;padding:72px 24px 96px}.eyebrow{color:var(--cyan);font-size:13px;font-weight:800;text-transform:uppercase}h1{font-size:clamp(38px,7vw,72px);line-height:.98;margin:14px 0 20px;max-width:760px}h2{font-size:22px;margin:38px 0 12px}p,li{color:var(--muted);font-size:16px;line-height:1.75}a{color:var(--cyan)}.summary{font-size:19px;max-width:720px}.notice{margin:36px 0;padding:20px 22px;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--pink);border-radius:6px}.updated{margin-top:56px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}