:root {
  --blue: #1C64F7;
  --blue-deep: #1966FF;
  --ink: #161616;
  --muted: #8C96A5;
  --text: #404040;
  --line: #ededed;
  --paper: #F6F7F9;
  --card: #fff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  font-size: 15px;
}
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; border: 0; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 72px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.topbar .inner,
.wrap { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.topbar .inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; }
.brand img { width: 148px; height: auto; }
.top-links { display: flex; align-items: center; gap: 22px; color: var(--text); font-size: 15px; }
.top-links a { color: var(--text); }
.top-links a:hover { color: var(--blue); }
.crumb {
  background: #F7F7F7;
  color: var(--muted);
  font-size: 14px;
  padding: 14px 0;
}
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--blue); }
.hero { padding: 42px 0 8px; }
.eyebrow {
  color: var(--blue);
  font-size: 14px;
  font-weight: 600;
}
h1 {
  margin: 8px 0 10px;
  font-size: 32px;
  line-height: 1.3;
  font-weight: 600;
}
.lead { max-width: 760px; margin: 0; color: var(--text); font-size: 16px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0 8px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}
.btn-p { background: var(--blue); color: #fff; }
.btn-p:hover { background: var(--blue-deep); color: #fff; }
.btn-g { background: #fff; color: var(--blue); border: 1px solid var(--blue); }
.btn-g:hover { background: #F3F9FF; }
main { padding-bottom: 20px; }
h2 { margin: 36px 0 14px; font-size: 24px; font-weight: 600; }
h3 { margin: 0 0 6px; font-size: 18px; font-weight: 600; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  background: var(--card);
  border-radius: 10px;
  padding: 20px 22px;
  box-shadow: 0 6px 20px rgba(172, 172, 173, 0.18);
}
.card p, .card span { margin: 0; color: var(--text); }
ul { margin: 8px 0 0; padding-left: 18px; }
li { margin: 6px 0; }
.note {
  background: #F3F9FF;
  border-left: 3px solid var(--blue);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text);
  margin: 8px 0 0;
}
.site-foot {
  margin-top: 28px;
  background: #161616;
  color: #8C96A5;
  padding: 36px 0 28px;
  font-size: 14px;
}
.site-foot a { color: #8C96A5; }
.site-foot a:hover { color: #fff; }
.site-foot .name { color: #fff; font-size: 16px; margin-bottom: 8px; }
.site-foot p { margin: 4px 0; }
@media (max-width: 800px) {
  .grid, .grid-3 { grid-template-columns: 1fr; }
  .top-links { display: none; }
  h1 { font-size: 26px; }
}