:root {
  --ink: #172033;
  --muted: #5f6b7a;
  --brand: #0d6efd;
  --brand-dark: #084298;
  --line: #e6ebf2;
  --bg: #f5f8fc;
  --card: #ffffff;
  --accent: #fff7df;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", SimSun, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #eef5ff 0%, #ffffff 280px);
  line-height: 1.8;
}
a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.topbar { padding: 18px 0; font-size: 14px; color: var(--muted); }
.topbar a { margin-right: 18px; }
.hero { padding: 44px 0 34px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: center; }
.contact-card {
  background: #ffffff;
  border: 1px solid #d7e5f6;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 18px 38px rgba(13, 74, 130, .12);
}
.contact-card h2 { margin: 0 0 10px; font-size: 22px; }
.contact-qq { font-size: 20px; font-weight: 800; color: var(--brand-dark); margin: 8px 0; }
.contact-card img { display: block; max-width: 208px; height: auto; margin: 10px 0; }
.contact-note { color: var(--muted); font-size: 14px; }
.kicker { color: var(--brand-dark); font-weight: 700; letter-spacing: 1px; }
h1 { margin: 10px 0 14px; font-size: clamp(30px, 4vw, 48px); line-height: 1.22; }
.lead { max-width: 780px; font-size: 18px; color: var(--muted); }
.cta { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 10px 18px; border-radius: 999px; background: var(--brand); color: #fff; font-weight: 700; }
.btn.secondary { background: #fff; color: var(--brand-dark); border: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; padding: 30px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; box-shadow: 0 12px 28px rgba(18, 48, 90, .06); }
h2 { margin: 0 0 12px; font-size: 24px; }
h3 { margin: 20px 0 8px; font-size: 18px; }
ul { padding-left: 20px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.badge { padding: 4px 10px; border-radius: 999px; background: var(--accent); color: #775400; font-size: 13px; }
.related a { display: block; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.notice { background: #f8fbff; border-left: 4px solid var(--brand); padding: 12px 14px; color: var(--muted); }
.footer { margin-top: 20px; padding: 28px 0 48px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
.index-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.index-list a { display:block; padding: 14px; background:#fff; border:1px solid var(--line); border-radius: 12px; }
.index-list span { color: var(--muted); font-size: 13px; }
@media (max-width: 780px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .index-list { grid-template-columns: 1fr; }
  .hero { padding-top: 28px; }
}