/* www pack: dark sticky bar, teal accent, 3-col cards */
:root {
  --bg: #0b1220;
  --panel: #121a2b;
  --card: #172033;
  --line: #2a3a55;
  --text: #e8eef7;
  --muted: #9aabc2;
  --teal: #14b8a6;
  --teal-d: #0f766e;
  --paper: #f3f7f6;
  --ink: #16302c;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
}
a { color: var(--teal-d); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  color: var(--text);
  border-bottom: 1px solid var(--line);
}
.wrap { width: min(1180px, calc(100% - 28px)); margin: 0 auto; }
.header-inner { display: flex; justify-content: space-between; align-items: center; min-height: 64px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 800; letter-spacing: .04em; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a { color: var(--muted); padding: 7px 12px; border-radius: 999px; text-decoration: none; }
.nav a.current { background: var(--teal); color: #042f2e; font-weight: 700; }
.hero {
  background: radial-gradient(circle at 20% 20%, #1b3d3a, var(--bg) 60%);
  color: var(--text);
  padding: 56px 0 48px;
  text-align: center;
}
.hero h1 { font-size: 34px; margin: 0 auto 16px; max-width: 18em; }
.lead { color: #c9d6cf; max-width: 46em; margin: 0 auto 22px; }
.btn-row { justify-content: center; display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 999px; font-weight: 700; text-decoration: none; }
.btn-main { background: var(--teal); color: #042f2e; }
.btn-sub { border: 1px solid var(--teal); color: #d1faf4; }
section { padding: 36px 0; }
section:nth-of-type(even) { background: #e7f1ee; }
section h2 { font-size: 26px; margin: 0 0 8px; }
.sec-kicker { color: var(--teal-d); font-size: 13px; font-weight: 700; letter-spacing: .12em; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card {
  background: #fff;
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 8px 24px rgba(15, 35, 32, .06);
  border-top: 3px solid var(--teal);
}
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border: 1px solid #c9ddd8; padding: 10px; text-align: left; }
th { background: #d7f3ee; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 0; }
.steps li { list-style: none; background: #fff; border-radius: 12px; padding: 14px; border: 1px dashed var(--teal); }
.news-item { background: #fff; padding: 14px 16px; border-radius: 10px; margin-bottom: 10px; }
.news-date { color: var(--teal-d); font-size: 12px; font-weight: 700; }
.faq details { background: #fff; border-radius: 10px; margin-bottom: 8px; padding: 10px 14px; }
.faq dt { font-weight: 700; margin-top: 12px; }
.faq dd { margin: 6px 0 0; }
.cta-band { background: var(--bg); color: #fff; border-radius: 16px; padding: 28px; text-align: center; }
.cta-band a { color: var(--teal); }
.site-footer { background: var(--bg); color: var(--muted); padding: 32px 0; }
.site-footer .brand { color: #fff; }
.foot-safe { color: #7ee7d4; }
@media (max-width: 900px) {
  .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
}