:root {
  --bg: #08111f;
  --panel: #101d2e;
  --panel-2: #14243a;
  --text: #eef5ff;
  --muted: #a9b8cc;
  --accent: #31b8ff;
  --accent-2: #7ed6ff;
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 50px rgba(0,0,0,.25);
  --radius: 18px;
  --max: 940px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(49,184,255,.15), transparent 34rem),
    linear-gradient(180deg, #07101d 0%, #0a1422 100%);
  line-height: 1.65;
}
a { color: var(--accent-2); }
a:hover { color: #fff; }
.wrap { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
header { padding: 34px 0 18px; }
.brand { display:flex; align-items:center; gap:14px; text-decoration:none; color:var(--text); }
.mark { width:46px; height:46px; border-radius:14px; display:grid; place-items:center; font-weight:800; background:linear-gradient(135deg,var(--accent),#1569c7); box-shadow:var(--shadow); }
.brand-title { font-weight:800; letter-spacing:.02em; }
.brand-sub { color:var(--muted); font-size:.9rem; }
.hero { padding: 44px 0 28px; }
.badge { display:inline-flex; border:1px solid rgba(49,184,255,.35); background:rgba(49,184,255,.08); color:var(--accent-2); padding:6px 11px; border-radius:999px; font-size:.86rem; font-weight:700; }
h1 { font-size:clamp(2rem,6vw,3.5rem); line-height:1.08; margin:18px 0 14px; }
.lead { max-width:760px; color:var(--muted); font-size:1.12rem; }
nav { display:flex; gap:10px; flex-wrap:wrap; margin-top:24px; }
.button { display:inline-flex; align-items:center; justify-content:center; padding:11px 15px; border-radius:12px; border:1px solid var(--border); text-decoration:none; color:var(--text); background:rgba(255,255,255,.04); font-weight:700; }
.button.primary { background:var(--accent); color:#03101b; border-color:transparent; }
main { padding: 12px 0 56px; }
.card { background:linear-gradient(180deg,rgba(20,36,58,.96),rgba(13,26,43,.96)); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow); padding:clamp(22px,4vw,42px); margin:18px 0; }
h2 { margin-top:1.8em; line-height:1.25; }
h2:first-child { margin-top:0; }
h3 { margin-top:1.5em; }
p, li { color:#dbe6f4; }
ul { padding-left:1.3rem; }
.notice { border-left:4px solid var(--accent); background:rgba(49,184,255,.08); padding:14px 16px; border-radius:10px; }
.meta { color:var(--muted); font-size:.92rem; }
footer { border-top:1px solid var(--border); padding:26px 0 38px; color:var(--muted); }
.footer-row { display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.footer-links { display:flex; gap:16px; flex-wrap:wrap; }
code { background:rgba(255,255,255,.08); padding:.15em .4em; border-radius:6px; }
@media (max-width:620px){ .hero{padding-top:24px}.card{border-radius:14px}.button{width:100%}.footer-row{display:block}.footer-links{margin-top:10px} }
@media print { body{background:#fff;color:#000}.card{box-shadow:none;border:1px solid #bbb}p,li,.meta{color:#222}nav,footer{display:none} }