:root{color-scheme:dark;--bg:#090b10;--surface:#11151d;--surface2:#171c26;--text:#f4f7fb;--muted:#a7b0bf;--line:#273041;--accent:#7c9cff;--accent2:#9f7cff}
*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top,#151b27 0,#090b10 42%);color:var(--text);line-height:1.68}a{color:#9bb2ff}header{border-bottom:1px solid var(--line);background:rgba(9,11,16,.9);backdrop-filter:blur(12px);position:sticky;top:0}.bar{max-width:920px;margin:auto;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:850;font-size:1.3rem;letter-spacing:-.03em}.brand span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}.nav{display:flex;gap:16px;font-size:.92rem}.nav a{text-decoration:none;color:var(--muted)}main{max-width:920px;margin:42px auto;padding:0 22px 70px}.card{background:linear-gradient(180deg,var(--surface),#0f131a);border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 28px 70px rgba(0,0,0,.28)}h1{font-size:clamp(2rem,6vw,3.3rem);line-height:1.08;margin:0 0 12px;letter-spacing:-.045em}h2{margin:32px 0 10px;font-size:1.28rem}p,li{color:#c9d0dc}.meta{color:var(--muted)}.notice{background:var(--surface2);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:12px;padding:16px 18px;margin:20px 0}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.button{display:inline-block;padding:12px 16px;border-radius:12px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#07101f;text-decoration:none;font-weight:800}.button.secondary{background:var(--surface2);color:var(--text);border:1px solid var(--line)}footer{max-width:920px;margin:0 auto;padding:0 22px 34px;color:var(--muted);font-size:.88rem}@media(max-width:640px){.card{padding:24px 19px}.bar{padding:15px 18px}.nav{gap:10px;font-size:.82rem}}