* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  color: #333;
  background-color: #fff;
}

#root {
  min-height: 100vh;
}

html {
  scroll-behavior: smooth;
}

/* 确保响应式设计 */
@media (max-width: 768px) {
  body {
    font-size: 14px;
  }
}

/* 链接默认样式 */
a {
  color: inherit;
  text-decoration: none;
}

/* 按钮默认样式 */
button {
  font-family: inherit;
  cursor: pointer;
}

/* 输入框默认样式 */
input, textarea, select {
  font-family: inherit;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
} 
/* App组件的样式 */
.App {
  text-align: center;
}

/* 页面切换动画 */
.page-transition {
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式工具类 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

/* 间距工具类 */
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: #1e3a8a;
  color: white;
}

.btn-primary:hover {
  background-color: #1e40af;
}

.btn-secondary {
  background-color: transparent;
  color: #1e3a8a;
  border: 2px solid #1e3a8a;
}

.btn-secondary:hover {
  background-color: #1e3a8a;
  color: white;
}