/* 基础样式重置 */
:root {
  --grass-green: #2e8b57;
  --golden-yellow: #ffd700;
  --dark-green: #1e5631;
  --light-gold: #ffec80;
}

body {
  font-family: 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: #333;
}

/* 蒙古族风格装饰元素 */
.gold-pattern {
  background-image: url('../images/gold-pattern.png');
  background-repeat: repeat-x;
  height: 10px;
}

/* 导航栏增强 */
.navbar {
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background-color: var(--dark-green) !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* 英雄区域动画 */
.hero-section {
  animation: fadeIn 1.5s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 功能卡片增强 */
.feature-card {
  border-radius: 12px;
  overflow: hidden;
}

.feature-card .card-body {
  position: relative;
  z-index: 1;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--grass-green), var(--dark-green));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.feature-card:hover::before {
  opacity: 0.1;
}

/* 轮播指示器样式 */
.carousel-indicators button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #ccc;
  border: none;
  margin: 0 5px;
  transition: background-color 0.3s ease;
}

.carousel-indicators button.active {
  background-color: var(--grass-green);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .hero-section {
    min-height: 50vh;
  }
  
  .display-3 {
    font-size: 2.5rem;
  }
}