body::before {
    display: block;
    content: " ";
    height: 56px;
  }
  
  .navbar {
    background-color: #5e8699;
    /* 自定义背景颜色 */
    color: #ffffff;
    /* 自定义文字颜色 */
  }
  
  .navbar-light .navbar-nav .nav-link {
    color: #ffffff;
    /* 自定义链接颜色 */
  }
  
  .navbar-light .navbar-nav .nav-link:hover {
    color: #2f72ba;
    /* 自定义链接悬停颜色 */
  }
  
  .active {
    color: #2f72ba;
    /* 自定义链接悬停颜色 */
  }
  
  html {
    scroll-behavior: smooth;
    /* 启用平滑滚动 */
    scroll-padding-top: 70px;
    /* 防止 fixed 导航栏遮挡内容（数值根据导航栏高度调整） */
  }
  /* 自定义样式 */
.accordion-button:not(.collapsed) {
  background-color: #e7f1ff;
  color: #0d6efd;
}

.card {
  transition: transform 0.2s;
  border: none;
  box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.1);
}

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

.badge {
  font-size: 0.9rem;
  padding: 0.5em 1em;
}

.form-control:focus, .form-select:focus {
  border-color: #86b7fe;
  box-shadow: 0 0 0 0.25rem rgba(13,110,253,.25);
}
/* 优势图标动画 */
.card:hover svg {
  animation: iconFloat 1s ease-in-out infinite;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* 数据看板特效 */
.display-4 {
  margin-bottom: 1.5rem;
  position: relative;
  font-weight: 700;
}

.display-4::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 60%;
  height: 3px;
  background: rgba(13,110,253,.3);
  transform: translateX(-50%);
  border-radius: 2px;
}
/* 自定义复选框卡片样式 */
.form-check-card {
  position: relative;
  border: 2px solid #dee2e6;
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
  height: 100%;
}

.form-check-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.form-check-input:checked + .form-check-label {
  border-color: #0d6efd;
  background: rgba(13, 110, 253, 0.05);
}

.form-check-input:checked + .form-check-label .icon {
  transform: scale(1.1);
  filter: drop-shadow(0 2px 4px rgba(13, 110, 253, 0.2));
}

.form-check-label {
  display: block;
  margin: 0;
}

.form-check-label h6 {
  color: #333;
  margin: 1rem 0 0.5rem;
  font-weight: 600;
}

.form-check-label .icon {
  font-size: 2.5rem;
  display: block;
  transition: all 0.3s ease;
}

/* 悬停效果 */
.form-check-card:hover {
  border-color: #86b7fe;
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.1);
}