/* 中国风样式 */
@import url('https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&display=swap');

:root {
  --chinese-red: #c41e3a;
  --chinese-gold: #d4a017;
  --chinese-jade: #00a86b;
  --chinese-blue: #1e3f66;
  --chinese-yellow: #ffb612;
}

.chinese-theme {
  background-color: #f8f3e6;
  background-image: url('cloud-pattern.svg');
  background-repeat: repeat-x;
  background-position: bottom;
  color: #333;
  /* 确保页面有最小高度，减少内容加载时的布局偏移 */
  min-height: 100vh;
}

.chinese-header {
  font-family: 'Ma Shan Zheng', cursive;
  color: var(--chinese-red);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
  position: relative;
  padding-bottom: 15px;
}

.chinese-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background-color: var(--chinese-gold);
}

.chinese-card {
  border: 1px solid var(--chinese-gold);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  background-color: white;
  position: relative;
  overflow: hidden;
}

.chinese-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  background-image: url('chinese-knot.svg');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.7;
  /* 预加载图片以减少CLS */
  will-change: transform;
}

.chinese-btn {
  background-color: var(--chinese-red);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  transition: all 0.3s ease;
}

.chinese-btn:hover {
  background-color: #a01a2f;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.chinese-btn-outline {
  background-color: transparent;
  color: var(--chinese-red);
  border: 2px solid var(--chinese-red);
}

.chinese-btn-outline:hover {
  background-color: var(--chinese-red);
  color: white;
}

.chinese-form-control {
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 8px 12px;
  transition: all 0.3s ease;
}

.chinese-form-control:focus {
  border-color: var(--chinese-gold);
  box-shadow: 0 0 0 0.2rem rgba(212, 160, 23, 0.25);
}

.chinese-seal {
  position: absolute;
  width: 60px;
  height: 60px;
  background-image: url('seal.svg');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.8;
  z-index: 1;
}

.chinese-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--chinese-gold), transparent);
  margin: 20px 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .chinese-header {
    font-size: 1.8rem;
  }
  
  .chinese-seal {
    width: 40px;
    height: 40px;
  }
}

/* 预加载字体以减少CLS */
@font-face {
  font-family: 'Ma Shan Zheng';
  font-display: swap;
  src: url('https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&display=swap');
}

/* 为动态加载的内容区域预设尺寸 */
.d-flex.justify-content-center.flex-wrap.gap-3 {
  min-height: 50px;
}

/* 确保所有图片和SVG元素有预设尺寸 */
img, svg {
  height: auto;
  max-width: 100%;
}