@media (max-width: 768px) {
  .navbar {
    padding: 12px 16px;
  }
  .navbar .brand-logo img {
    height: 32px;
  }
  .navbar .nav-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-menu {
    width: 100%;
    right: -100%;
    padding: 80px 24px 30px;
  }
}

/* ===== Banner 图 ===== */
.page-banner {
  width: 100%;
  height: 320px;
  background: url("/images/aboutbanner.jpg") no-repeat center center;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

@media (max-width: 768px) {
  .page-banner {
    height: 220px;
  }
  .page-banner .banner-text h1 {
    font-size: 2.2rem;
  }
}

/* ===== 当前页面导航（面包屑） ===== */
.page-nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 20px;
  border-bottom: 1px solid #e8ecf2;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: #6a7f9b;
}
.page-nav a {
  color: #1a2639;
  text-decoration: none;
  transition: 0.2s;
}
.page-nav a:hover {
  color: #ae1623;
}
.page-nav .sep {
  color: #c0c8d6;
}
.page-nav .current {
  color: #ae1623;
  font-weight: 600;
}

/* ===== 内容主体 ===== */
.content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 50px 20px 80px;
  display: flex;
  overflow: hidden;
  gap: 60px;
}

/* 左侧：当前栏目名称 + 短横线 */
.content-left {
  flex: 0 0 220px;
}
.content-left .column-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: #0b1a33;
  letter-spacing: 1px;
}
.content-left .column-line {
  width: 48px;
  height: 3px;
  background: #ae1623;
  margin-top: 10px;
  border-radius: 2px;
}

/* 右侧：文字 + 内容组合 */
.content-right {
  flex: 1;
}

.content-right img {
  max-width: 100%;
}
/* 公司简介文字 */
.content-right .intro-text {
  font-size: 14px;
  line-height:2.5;
  color: #4a5a72;
  margin-bottom: 35px;
  padding-bottom: 30px;
  border-bottom: 1px solid #eef2f7;
}
.content-right .intro-text strong {
  color: #0b1a33;
}

/* 联系信息卡片 */
.content-right .contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 40px;
  margin-bottom: 40px;
}
.content-right .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 18px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #f0f3f8;
  transition: 0.25s ease;
}
.content-right .contact-item:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.07);
  border-color: #dce3ed;
  transform: translateY(-2px);
}
.content-right .contact-item .icon {
  width: 44px;
  height: 44px;
  background: #ae1623;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.content-right .contact-item .info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #0b1a33;
  margin-bottom: 2px;
}
.content-right .contact-item .info p,
.content-right .contact-item .info a {
  font-size: 0.9rem;
  color: #4a5a72;
  line-height: 1.5;
  text-decoration: none;
}
.content-right .contact-item .info a {
  color: #ae1623;
}
.content-right .contact-item .info a:hover {
  text-decoration: underline;
}

/* 地图区域 */
.content-right .map-container {
  width: 100%;
  height: 300px;
  border-radius: 12px;
  overflow: hidden;
  margin-top: 10px;
}

@media (max-width: 768px) {
  .content-wrapper {
      padding: 20px;
      margin: 0px;
    flex-direction: column;
    gap: 30px;
  }
  
  
  .content-left {
    flex: 1;
  }
  .content-left .column-name {
    font-size: 1.5rem;
  }
  .content-right .contact-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .content-right .map-container {
    height: 220px;
  }
  .content-right .contact-item {
    padding: 14px 16px;
  }
  
  .content-right .intro-text {
  font-size: 14px;
  line-height:2.5;
  color: #4a5a72;
  margin-bottom: 0px;
  padding-bottom: 0px;
  border-bottom: 1px solid #eef2f7;
}
.content-right .intro-text strong {
  color: #0b1a33;
}
}