/* 基础样式补充 */
body {
  scroll-behavior: smooth;
}

/* 导航链接样式 */
.nav-link, .mobile-nav-link {
  position: relative;
}

.nav-link::after, .mobile-nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: #165DFF;
  transition: width 0.3s ease;
}

.nav-link:hover::after, .mobile-nav-link:hover::after,
.nav-link.text-primary::after, .mobile-nav-link.text-primary::after {
  width: 100%;
}

/* 卡片悬停效果 */
.service-card {
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
}

/* 案例卡片渐变覆盖层 */
.case-overlay {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.case-card:hover .case-overlay {
  opacity: 1;
}

/* 资讯卡片样式 */
.news-card img {
  transition: transform 0.5s ease;
}

.news-card:hover img {
  transform: scale(1.05);
}

/* 表单元素焦点状态 */
.form-input:focus {
  box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.2);
}

/* 按钮动画效果 */
.btn-primary {
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
}

/* 加载动画 */
.loader {
  border-top-color: #165DFF;
  animation: spinner 0.8s linear infinite;
}

@keyframes spinner {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}