body {
  font-family: "Arial", "Helvetica Neue", Helvetica, sans-serif;
  color: #1f2937;
  background: #ffffff;
}

.brand-blue {
  color: #0e2f57;
}

.bg-brand-blue {
  background-color: #0e2f57;
}

.section-title {
  color: #0e2f57;
  font-size: 1.75rem;
  font-weight: 700;
}

.hero-overlay {
  background: linear-gradient(120deg, rgba(14, 47, 87, 0.88), rgba(14, 47, 87, 0.5));
}

.service-card:hover {
  transform: translateY(-4px);
  transition: all 0.25s ease;
}

.nav-link-active {
  border-bottom: 2px solid #ffffff;
}

/* 验证码样式 */
.captcha-container {
  display: flex;
  align-items: center;
  gap: 10px;
}
.captcha-container img {
  border: 1px solid #ccc;
  border-radius: 4px;
  cursor: pointer;
  height: 40px;
  width: auto;
}
.captcha-container input[type="text"] {
  height: 40px;
  padding: 6px 12px;
  border: 1px solid #ced4da;
  border-radius: 4px;
  width: 150px;
}
.captcha-refresh-hint {
  font-size: 12px;
  color: #6c757d;
}