:root {
  --bg: #0B0E14;
  --panel: #141A26;
  --neon: #00E5FF;
  --text: #D4E6FF;
  --dim: #6A7B8C;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #122033 0%, var(--bg) 55%);
  color: var(--text); line-height: 1.65;
}
.wrap { max-width: 820px; margin: 0 auto; padding: 40px 20px 72px; }
h1 { color: var(--neon); font-size: 1.75rem; margin: 0 0 8px; }
.meta { color: var(--dim); margin-bottom: 24px; font-size: 0.95rem; }
.card {
  background: var(--panel); border: 1px solid #1e2a3d; border-radius: 10px;
  padding: 22px 24px;
}
h2 { font-size: 1.15rem; color: var(--neon); margin: 1.4em 0 0.5em; }
h3 { font-size: 1.02rem; margin: 1.1em 0 0.4em; }
p, li { color: var(--text); }
ul { padding-left: 1.3em; }
a { color: var(--neon); }
.back { display: inline-block; margin-bottom: 16px; color: var(--dim); text-decoration: none; }
.back:hover { color: var(--neon); }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 0.92rem; }
th, td { border: 1px solid #2a3a52; padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: #1A2233; color: var(--neon); }
.strong { font-weight: 700; }