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

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.page {
  display: none;
  min-height: 100vh;
}

.page.active {
  display: block;
}

/* 动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out;
}

.animate-slide-up {
  animation: slideUp 0.6s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* 评分圆环 */
.score-ring {
  transform: rotate(-90deg);
}

.score-ring-circle {
  transition: stroke-dashoffset 1s ease-out;
}

/* 卡片悬浮效果 */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
}

/* 文本域自定义滚动条 */
textarea::-webkit-scrollbar {
  width: 6px;
}

textarea::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

textarea::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

textarea::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}

/* 加载动画点 */
.loading-dots span {
  animation: loadingDot 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes loadingDot {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* 渐变文字 */
.gradient-text {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 玻璃态效果 */
.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* 按钮点击效果 */
.btn-press:active {
  transform: scale(0.98);
}

/* 优化简历内容 */
.optimized-section h3 {
  position: relative;
  padding-left: 16px;
}

.optimized-section h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, #6366f1, #8b5cf6);
  border-radius: 2px;
}