:root {
  color-scheme: dark;
  --bg: #090b24;
  --panel: rgba(24, 25, 60, 0.92);
  --line: #3c3f70;
  --text: #f7f3ff;
  --muted: #bbb7d0;
  --violet: #b985ff;
  --gold: #efc778;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 85% -10%, #39246f 0, transparent 35%),
    radial-gradient(circle at 0 35%, #1d285e 0, transparent 32%),
    var(--bg);
  line-height: 1.75;
}

a { color: #d3adff; }
a:hover { color: white; }

.site-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(8, 9, 31, 0.84);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(980px, calc(100% - 32px));
  margin: auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
}

.brand-mark { color: var(--gold); font-size: 24px; }
.links { display: flex; flex-wrap: wrap; gap: 16px; }
.links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.links a[aria-current="page"] { color: var(--gold); }

main {
  width: min(820px, calc(100% - 32px));
  margin: 56px auto 80px;
}

.hero { margin-bottom: 28px; }
.eyebrow { color: var(--gold); letter-spacing: .12em; font-size: 13px; }
h1 { margin: 8px 0 10px; font-size: clamp(34px, 7vw, 52px); line-height: 1.15; }
.summary { color: var(--muted); font-size: 17px; max-width: 700px; }
.meta { color: var(--muted); font-size: 13px; }

.document {
  padding: clamp(22px, 5vw, 46px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(145deg, var(--panel), rgba(15, 17, 47, 0.94));
  box-shadow: 0 30px 80px rgba(0, 0, 0, .28);
}

h2 { margin: 34px 0 10px; font-size: 22px; }
h2:first-child { margin-top: 0; }
h3 { margin: 20px 0 6px; font-size: 17px; }
p, li { color: #e5e1f0; }
li + li { margin-top: 8px; }
.notice { padding: 16px 18px; border-left: 3px solid var(--gold); background: #282248; border-radius: 10px; }
.muted { color: var(--muted); }

footer {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto 36px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 680px) {
  .nav { padding: 14px 0; align-items: flex-start; flex-direction: column; }
  .links { gap: 10px 14px; }
  main { margin-top: 36px; }
}