/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* 卡片悬停效果增强 */
.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* 渐变文字效果 */
.gradient-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 按钮悬停效果 */
.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* 响应式图片 */
.responsive-img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

/* 工具提示 */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 120px;
  background-color: #555;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -60px;
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

/* 响应式导航 */
@media (max-width: 768px) {
  .mobile-nav {
    display: none;
  }

  .mobile-nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1rem;
  }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
  .dark-mode {
    background-color: #1a1a1a;
    color: #ffffff;
  }

  .dark-mode .bg-white {
    background-color: #2d2d2d;
  }

  .dark-mode .text-gray-900 {
    color: #ffffff;
  }

  .dark-mode .text-gray-600 {
    color: #d1d5db;
  }
}

/* 打印样式 */
@media print {
  .no-print {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }
}