:root {
  --primary-color: #7d0a0a;
  --secondary-color: #bf3131;
  --accent-color: #ead196;
  --text-dark: #2c3e50;
  --bg-light: #fafafa;
  --gold-color: #ffd700;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
}

/* 导航栏样式 */
.navbar-brand {
  font-weight: bold;
  font-size: 1.25rem;
}

.navbar-nav .nav-link {
  font-weight: 500;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
}

/* Hero区域 */
.hero-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

/* 功能卡片 */
.feature-card {
  transition: all 0.3s ease;
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
}

/* 统计数据 */
.stats-section {
  background: var(--bg-light);
}

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-color);
  display: block;
}

/* 导航菜单增强 */
.mega-menu {
  background: white;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: none;
}

.dropdown-header {
  color: var(--primary-color);
  font-weight: bold;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 响应式改进 */
@media (max-width: 768px) {
  .hero-section {
    padding: 2rem 0;
  }

  .hero-section h1 {
    font-size: 1.75rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .feature-card {
    margin-bottom: 1rem;
  }
}

/* 自定义按钮 */
.btn-primary-custom {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: gainsboro;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(211, 47, 47, 0.3);
  background: linear-gradient(
    135deg,
    var(--secondary-color),
    var(--primary-color)
  );
}

/* 中国风装饰元素 */
.chinese-decoration {
  position: relative;
}

.chinese-decoration::before {
  content: "◆";
  color: var(--gold-color);
  font-size: 1.5rem;
  position: absolute;
  left: -2rem;
  top: 50%;
  transform: translateY(-50%);
}

/* 底部链接 */
.footer-link {
  color: #6c757d;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--primary-color);
}

.breadcrumb {
  background: rgba(125, 10, 10, 0.1);
  border-radius: 10px;
  padding: 1rem;
}

.breadcrumb-item a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb-item.active {
  color: var(--secondary-color);
  font-weight: bold;
}