:root {
  --bg: #0a0e1a;
  --bg-soft: #111726;
  --card: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.1);
  --text: #e8ecf7;
  --muted: #98a2bd;
  --brand: #8b7cff;
  --brand-2: #4ecdc4;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶部 ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(10, 14, 26, 0.82);
  border-bottom: 1px solid var(--line);
}

.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.nav { display: flex; gap: 26px; font-size: 14px; color: var(--muted); }
.nav a:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 72px;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 78% 8%, rgba(139, 124, 255, 0.28), transparent 62%),
    radial-gradient(700px 380px at 12% 22%, rgba(78, 205, 196, 0.16), transparent 60%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 30%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 68% 18%, #fff, transparent),
    radial-gradient(1.6px 1.6px at 84% 62%, #fff, transparent),
    radial-gradient(1.1px 1.1px at 34% 74%, #fff, transparent),
    radial-gradient(1.3px 1.3px at 52% 46%, #fff, transparent);
  opacity: 0.35;
  pointer-events: none;
}

.hero .wrap { position: relative; z-index: 1; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--brand-2);
  margin-bottom: 18px;
}

h1 {
  font-size: 46px;
  line-height: 1.25;
  margin: 0 0 20px;
  font-weight: 650;
  letter-spacing: -0.5px;
}

.hero p.lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 620px;
  margin: 0 0 32px;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), #6f5cff);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(139, 124, 255, 0.32);
}

.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  box-shadow: none;
  color: var(--muted);
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 区块 ---------- */
section { padding: 72px 0; }
section + section { border-top: 1px solid var(--line); }

h2 {
  font-size: 26px;
  margin: 0 0 12px;
  font-weight: 620;
}

.sub { color: var(--muted); margin: 0 0 36px; font-size: 15px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
}

.card p { margin: 0; color: var(--muted); font-size: 14px; }

.note {
  border-left: 3px solid var(--brand-2);
  background: rgba(78, 205, 196, 0.07);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  font-size: 14px;
  color: #c9d3e8;
}

/* ---------- 法律页 ---------- */
.doc { padding: 56px 0 80px; }
.doc h1 { font-size: 32px; margin-bottom: 8px; }
.doc .updated { color: var(--muted); font-size: 14px; margin-bottom: 40px; }
.doc h2 {
  font-size: 20px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.doc h2:first-of-type { border-top: none; padding-top: 0; }
.doc h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 26px 0 8px;
}
.doc p, .doc li { color: #c3cbdd; font-size: 15px; }
.doc ul { padding-left: 22px; }
.doc .kv { color: #c3cbdd; }

/* ---------- 页脚 ---------- */
.site-foot {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
  background: var(--bg-soft);
  font-size: 13px;
  color: var(--muted);
}

.foot-links { display: flex; gap: 20px; margin-bottom: 16px; flex-wrap: wrap; }
.foot-links a:hover { color: var(--text); }

.filing { display: flex; gap: 18px; flex-wrap: wrap; }
.filing a { color: var(--muted); }
.filing a:hover { color: var(--text); }
.filing-item { display: flex; align-items: center; gap: 6px; }

.badge-police {
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: -3px;
}

@media (max-width: 640px) {
  h1 { font-size: 34px; }
  .nav { display: none; }
  section { padding: 52px 0; }
}