:root {
  --blue: #1677ff;
  --blue-dark: #0f5fd6;
  --ink: #12233a;
  --muted: #5a6a7c;
  --line: #dce6f2;
  --paper: #f3f6fb;
  --card: #ffffff;
  --gold: #b8860b;
  --ok: #1f8a5b;
  --max: 1120px;
  --radius: 16px;
  --font: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
}
img { max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 246, 251, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}
.logo-text { font-weight: 700; letter-spacing: 0.02em; }
.nav { display: flex; gap: 18px; margin-left: auto; }
.nav a { color: var(--muted); font-size: 14px; text-decoration: none; }
.nav a:hover, .nav a.is-active { color: var(--ink); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0 16px; border-radius: 10px;
  font-size: 14px; font-weight: 600; text-decoration: none; border: 0; cursor: pointer;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); text-decoration: none; }
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { text-decoration: none; border-color: #b9cce6; }

.hero {
  padding: 56px 0 36px;
  background:
    radial-gradient(900px 280px at 10% -10%, rgba(22, 119, 255, 0.12), transparent 60%),
    linear-gradient(#eef4fc, var(--paper));
}
.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 40px;
  align-items: start;
}
.hero-copy { min-width: 0; }
.hero h1 { font-size: 40px; line-height: 1.2; margin: 0 0 12px; }
.hero .lead { font-size: 18px; color: var(--muted); max-width: 680px; margin: 0 0 12px; }
.hero .lead-more { font-size: 15px; color: var(--muted); max-width: 680px; margin: 0 0 18px; }
.hero-points { margin: 0; padding-left: 18px; color: var(--ink); font-size: 15px; }
.hero-points li { margin: 0 0 6px; }
.qr-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 14px;
  text-align: center;
}
.qr-card img {
  width: 220px;
  height: 220px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  background: #fff;
}
.qr-card p {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-stats { margin-top: 28px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px;
}
.stat b { display: block; font-size: 26px; color: var(--blue); }
.stat span { font-size: 13px; color: var(--muted); }

.section { padding: 48px 0; }
.section h2 { font-size: 28px; margin: 0 0 8px; }
.section .intro { color: var(--muted); margin: 0 0 24px; max-width: 680px; }
.kicker { color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: 0.08em; margin: 0 0 8px; }

.grid-3, .grid-2 { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.card p + p { margin-top: 8px; }
.card ol, .card ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; padding: 8px 12px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); color: var(--ink);
  font-size: 13px; text-decoration: none;
}
.chip:hover { border-color: var(--blue); color: var(--blue); text-decoration: none; }
.chip em { font-style: normal; color: var(--muted); margin-left: 6px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
th { background: #eef4fc; font-weight: 600; }
tr:last-child td { border-bottom: 0; }

.note {
  margin-top: 20px; padding: 14px 16px; border-radius: 12px;
  background: #fff8e8; color: #7a5b12; font-size: 13px;
}
.cta-banner {
  background: var(--ink); color: #fff; border-radius: 20px; padding: 32px;
  display: flex; justify-content: space-between; gap: 20px; align-items: center;
}
.cta-banner h2 { margin: 0 0 8px; color: #fff; }
.cta-banner p { margin: 0; color: rgba(255,255,255,0.72); }
.prose { max-width: 760px; }
.prose h1 { font-size: 32px; margin: 0 0 12px; }
.prose h2 { font-size: 22px; margin: 28px 0 8px; }
.prose p { color: var(--ink); }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--muted); }

.site-footer {
  border-top: 1px solid var(--line); padding: 32px 0 40px; margin-top: 24px;
  color: var(--muted); font-size: 13px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.site-footer a { color: var(--muted); }
.site-footer h3 { margin: 0 0 10px; font-size: 14px; color: var(--ink); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0 0 6px; }

@media (max-width: 860px) {
  .hero h1 { font-size: 30px; }
  .hero-layout,
  .stats, .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .qr-card { max-width: 280px; margin: 0 auto; }
  .cta-banner { flex-direction: column; align-items: flex-start; }
}