/* Site 1 — 企业台账：深蓝金线、衬线标题、左金条、表格对比 */
:root {
  --ink: #0b1f3a;
  --gold: #c9a227;
  --gold-dim: #a6861c;
  --paper: #f7f3e8;
  --card: #fffdf6;
  --line: #d8d0b8;
  --muted: #5b6472;
  --text: #1c2430;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: "Palatino Linotype", "STSong", "Songti SC", "Noto Serif SC", Georgia, serif;
  line-height: 1.85;
  font-size: 17px;
}

img, svg { max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
a { color: var(--ink); }

.wrap { width: min(1100px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  background: var(--ink);
  color: #f4ecd4;
  border-bottom: 3px solid var(--gold);
}
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #f4ecd4;
  letter-spacing: 0.08em;
  font-size: 15px;
}
.brand svg { width: 36px; height: 36px; }
.site-nav { display: flex; gap: 8px; }
.site-nav a {
  color: #d7cba8;
  text-decoration: none;
  padding: 8px 14px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: #fff; }
.site-nav a.is-current,
.site-nav a[aria-current="page"] {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.hero {
  background: linear-gradient(180deg, #102544 0%, #0b1f3a 70%);
  color: #f7f1de;
  padding: 72px 0 80px;
}
.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.28;
  font-weight: 600;
}
.hero .lead { color: #e4d8b4; max-width: 760px; margin: 0 0 14px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--gold);
  background: var(--gold);
  color: #1a1404;
  font-size: 15px;
  letter-spacing: 0.04em;
}
.btn:hover { background: #dfb83a; }
.btn-ghost {
  background: transparent;
  color: #f4ecd4;
  border-color: #c9a227;
}
.btn-ghost:hover { background: rgba(201, 162, 39, 0.12); }
.btn:disabled { opacity: 0.7; cursor: wait; }

.section { padding: 64px 0; }
.section + .section { border-top: 1px solid var(--line); }
.kicker {
  display: inline-block;
  color: var(--gold-dim);
  letter-spacing: 0.18em;
  font-size: 12px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section h2 {
  margin: 0 0 16px;
  font-size: 30px;
  color: var(--ink);
}
.prose p, .intro p { margin: 0 0 14px; color: var(--text); }
.intro { max-width: 820px; margin-bottom: 28px; }

.ledger {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.ledger article,
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 5px solid var(--gold);
  padding: 22px 22px 20px;
}
.ledger h3, .panel h3 { margin: 10px 0 10px; color: var(--ink); font-size: 20px; }
.icon-slot { width: 36px; height: 36px; color: var(--ink); }
.icon-slot svg { width: 36px; height: 36px; }

.platform-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.platform-strip article {
  background: #fff;
  border: 1px solid var(--line);
  padding: 18px;
}
.platform-strip h3 { margin: 8px 0 10px; font-size: 18px; display: flex; align-items: center; gap: 8px; }
.platform-strip svg { width: 22px; height: 22px; }

.deep-list { display: grid; gap: 16px; }
.deep-list article {
  background: #fff;
  padding: 22px 24px;
  border-top: 1px solid var(--line);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  background: var(--ink);
  color: #f4ecd4;
  padding: 28px 20px;
}
.stat-row strong { display: block; font-size: 32px; color: var(--gold); line-height: 1.2; }
.stat-row span { color: #d7cba8; font-size: 14px; }

.compare-table { width: 100%; border-collapse: collapse; background: #fff; }
.compare-table th, .compare-table td {
  border: 1px solid var(--line);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}
.compare-table th { background: var(--ink); color: #f4ecd4; font-weight: 600; }
.compare-table tr:nth-child(even) td { background: #f3eee0; }

.reviews { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.reviews blockquote {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  padding: 20px;
}
.reviews footer { margin-top: 12px; color: var(--muted); font-size: 14px; }

.faq-stack { display: grid; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  padding: 18px 20px;
}
.faq-item h3 { margin: 0 0 8px; font-size: 18px; color: var(--ink); }
.faq-item p { margin: 0 0 8px; }

.site-footer {
  background: var(--ink);
  color: #d7cba8;
  padding: 36px 0 28px;
  font-size: 14px;
}
.site-footer p { margin: 0 0 10px; }
.site-footer .safe { color: var(--gold); }
.foot-nav { display: flex; gap: 16px; margin-bottom: 14px; }
.foot-nav a { color: #f4ecd4; }

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .ledger, .platform-strip, .stat-row, .reviews { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-bar { flex-direction: column; padding: 14px 0; }
  .ledger, .platform-strip, .stat-row, .reviews { grid-template-columns: 1fr; }
  .hero { padding: 48px 0; }
}