:root {
  --ink: #0f172a;
  --muted: #475569;
  --line: #dbe4f0;
  --bg: #f7fafc;
  --card: #ffffff;
  --brand: #1d4ed8;
  --brand-2: #0f766e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(29,78,216,.10), transparent 26%),
    radial-gradient(circle at bottom left, rgba(15,118,110,.10), transparent 24%),
    var(--bg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }
header { padding: 20px 0 10px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
}
.brand img {
  display: block;
  width: 120px;
  height: auto;
  flex-shrink: 0;
}
.nav { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); }
.hero { padding: 36px 0 22px; }
.hero-box {
  background: linear-gradient(135deg, rgba(29,78,216,.94), rgba(15,118,110,.92));
  color: #fff;
  border-radius: 24px;
  padding: 34px 28px;
  box-shadow: 0 24px 60px rgba(15,23,42,.14);
}
.hero h1 { margin: 0 0 12px; font-size: clamp(30px, 5vw, 52px); line-height: 1.08; }
.hero p { margin: 0; font-size: 18px; max-width: 780px; color: rgba(255,255,255,.92); }
.actions { margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 18px; border-radius: 999px; font-weight: 700;
}
.btn.primary { background: #fff; color: var(--ink); }
.btn.secondary { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.25); }
section { padding: 18px 0 8px; }
.section-title { margin: 0 0 14px; font-size: 26px; }
.lead { color: var(--muted); margin: 0 0 18px; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(15,23,42,.05);
}
.card h2, .card h3 { margin: 0 0 10px; }
.card p { margin: 0 0 14px; color: var(--muted); }
.badge {
  display: inline-block; margin-bottom: 12px; padding: 6px 10px; border-radius: 999px;
  background: rgba(255,255,255,.18); font-size: 13px; font-weight: 700;
}
.points { margin: 0; padding-left: 18px; color: var(--muted); }
.points li { margin: 0 0 8px; }
.cta-box {
  background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 24px; margin: 24px 0 44px;
  text-align: center;
}
.cta-box .lead {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.cta-box .actions {
  justify-content: center;
}
.note-box {
  background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 24px; margin: 18px 0 30px;
}
.center-box {
  text-align: center;
}
.center-box .lead {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.center-box .points {
  display: inline-block;
  text-align: left;
  margin-left: auto;
  margin-right: auto;
}
.center-box .link-list {
  margin-top: 16px;
}
.link-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.link-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(15,23,42,.04);
}
.link-card strong { display: block; margin-bottom: 8px; }
.link-card span { color: var(--muted); }
.lang-switch { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.lang-switch a {
  padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: #fff;
}
footer { padding: 28px 0 42px; color: var(--muted); font-size: 14px; }
@media (max-width: 640px) {
  .hero-box { padding: 28px 20px; }
  .hero p { font-size: 16px; }
  .brand img { width: 96px; }
}