@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* 全局重置 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: #333333;
  background-color: #f5f5f5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

/* 工具类 */
.text-tech-blue {
  color: #4a90e2 !important;
}

.text-warm-orange {
  color: #ff7849 !important;
}

.bg-tech-blue {
  background-color: #4a90e2 !important;
}

.bg-warm-orange {
  background-color: #ff7849 !important;
}

.bg-light-gray {
  background-color: #f5f5f5 !important;
}

/* 动画类 */
.fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
  opacity: 0;
}

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

.scroll-target {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-target.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 响应式工具类 */
.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

@media (min-width: 1536px) {
  .container {
    max-width: 1536px;
  }
}

/* Ant Design 主题覆盖 */
.ant-btn-primary {
  background-color: #4a90e2;
  border-color: #4a90e2;
}

.ant-btn-primary:hover,
.ant-btn-primary:focus {
  background-color: #5ba0f2;
  border-color: #5ba0f2;
}

.ant-btn-orange {
  background-color: #ff7849;
  border-color: #ff7849;
  color: white;
}

.ant-btn-orange:hover,
.ant-btn-orange:focus {
  background-color: #ff8859;
  border-color: #ff8859;
  color: white;
}