/* 商务合作 — 深海蓝 · 专业商务 */
body.page-business {
  --accent: #e8833a;
  --accent-light: #f5a623;
  background: #eef2f7;
}

body.page-business .top { background: rgba(255,255,255,.97); }
body.page-business .menu ul li a.on { background: linear-gradient(135deg, #1e3799, #4a69bd); }

body.page-business .businessbg {
  background: linear-gradient(135deg, #0a1628 0%, #1e3799 50%, #4a69bd 100%);
}

body.page-business .businessbg::after { content: '商务合作'; }

body.page-business .content-card {
  background: #fff;
  position: relative;
  overflow: hidden;
}

body.page-business .content-card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(232,131,58,.08) 0%, transparent 70%);
  border-radius: 50%;
}

body.page-business .about_t { color: #0a1628; }
body.page-business .about_t::after { background: var(--accent); }

body.page-business .biz-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

body.page-business .biz-card {
  background: linear-gradient(135deg, #f8f9fc, #eef2f7);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid rgba(30,55,153,.08);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

body.page-business .biz-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #1e3799, #4a69bd);
}

body.page-business .biz-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(30,55,153,.15);
}

body.page-business .biz-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #1e3799;
  margin-bottom: 12px;
}

body.page-business .biz-card p {
  font-size: 15px;
  color: #5a6a7a;
  line-height: 1.8;
}

body.page-business .biz-contact {
  background: linear-gradient(135deg, #1e3799, #4a69bd);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}

body.page-business .biz-contact-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

body.page-business .biz-contact-label {
  font-size: 13px;
  opacity: .7;
  margin-bottom: 4px;
}

body.page-business .biz-contact-value {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .05em;
}

body.page-business .lmenu a:hover,
body.page-business .lmenu .on {
  color: #1e3799;
  border-left-color: #1e3799;
}

body.page-business .foot2 { background: linear-gradient(180deg, #0a1628, #060d18); }
body.page-business .foot2_in a:hover { color: var(--accent-light); }

@media (max-width: 768px) {
  body.page-business .biz-cards { grid-template-columns: 1fr; }
}