/* 基础样式 */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1 0 auto;
}

/* 继承基础样式 */
.container {
  width: 1200px;
  margin: 0 auto;
}

.nav {
  height: 60px;
  background: #8B0000;
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 20px;
  font-size: 18px;
}

/* 经济发展页面特有样式 */
.economy-content {
  padding: 30px 0;
}

.page-title {
  font-size: 32px;
  color: #8B0000;
  text-align: center;
  margin-bottom: 40px;
}

.achievement-section {
  margin-bottom: 50px;
}

.section-title {
  font-size: 24px;
  color: #333;
  margin-bottom: 20px;
  padding-left: 15px;
  border-left: 4px solid #8B0000;
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.achievement-card {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  text-align: center;
}

.achievement-number {
  font-size: 36px;
  color: #8B0000;
  font-weight: bold;
  margin-bottom: 10px;
}

.achievement-label {
  color: #666;
  font-size: 16px;
}

.industry-section {
  margin-bottom: 50px;
}

.industry-item {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.industry-img {
  width: 300px;
  height: 200px;
  margin-right: 20px;
}

.industry-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 5px;
}

.industry-info {
  flex: 1;
}

.industry-title {
  font-size: 20px;
  color: #333;
  margin-bottom: 15px;
}

.industry-desc {
  color: #666;
  line-height: 1.8;
}

.vision-section {
  background: #f9f9f9;
  padding: 30px;
  border-radius: 10px;
}

.vision-content {
  line-height: 1.8;
  color: #666;
}

/* 页脚样式 */
.footer {
  flex-shrink: 0;
  background: #8B0000;
  color: #fff;
  padding: 20px 0;
  width: 100%;
}

.footer-content {
  width: 1200px;
  margin: 0 auto;
  text-align: center;
  font-size: 14px;
  line-height: 1.8;
}

.footer-content p {
  margin: 5px 0;
}

.footer-content a {
  color: #fff;
  text-decoration: none;
}

.footer-content a:hover {
  text-decoration: underline;
}