* {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
     font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
 }

 body {
     background-color: #f8f9fa;
     color: #333;
     line-height: 1.6;
     min-height: 100vh;
 }

 .container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;

 }

 /* 顶部横幅 */
 .top-banner {
     width: 100%;
     height: 60vh;
     min-height: 400px;
     background-image: url('../bc/img1.png');
     background-size: cover;
     background-position: center;
     background-repeat: no-repeat;
     color: white;
     display: flex;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     text-align: center;
     padding: 20px;
 }

 .banner-title {
     font-size: 3rem;
     margin-bottom: 15px;
     text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
 }

 .banner-subtitle {
     font-size: 1.5rem;
     max-width: 1000px;
     text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
 }

 /* 主要内容区域 */
 .main-content {
     display: flex;
     margin-top: 40px;
     gap: 30px;
     margin-bottom: 50px;

 }

 /* 左侧导航 */
 .left-nav {
     flex: 0 0 30%;
     background-color: white;
     border-radius: 12px;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
     padding: 0;
     overflow: hidden;
 }

 .nav-header {
     background: linear-gradient(90deg, #0d6efd, #198754);
     color: white;
     padding: 25px;
     text-align: center;
 }

 .nav-header h2 {
     font-size: 1.8rem;
     margin-bottom: 10px;
 }

 .nav-header p {
     font-size: 1rem;
     opacity: 0.9;
 }

 .nav-menu {
     list-style: none;
     padding: 0;
 }

 .nav-item {
     border-bottom: 1px solid #eee;
 }

 .nav-item:last-child {
     border-bottom: none;
 }

 .nav-link {
     display: flex;
     align-items: center;
     padding: 20px 25px;
     color: #333;
     text-decoration: none;
     transition: all 0.3s;
 }

 .nav-link:hover {
     background-color: #f0f7ff;
     color: #0d6efd;
 }

 .nav-link.active {
     background-color: #e8f4ff;
     color: #0d6efd;
     border-left: 5px solid #0d6efd;
 }

 .nav-icon {
     font-size: 1.5rem;
     margin-right: 15px;
     width: 30px;
     text-align: center;
 }

 .nav-text {
     font-size: 1.2rem;
     font-weight: 500;
 }

 /* 右侧内容区域 */
 .right-content {
     flex: 1;
     background-color: white;
     border-radius: 12px;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
     padding: 40px;
     min-height: 500px;
 }

 .content-section {
     display: none;
 }

 .content-section.active {
     display: block;
     animation: fadeIn 0.5s ease;
 }

 @keyframes fadeIn {
     from {
         opacity: 0;
         transform: translateY(10px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 .content-header {
     margin-bottom: 30px;
     padding-bottom: 15px;
     border-bottom: 3px solid #0d6efd;
 }

 .content-header h2 {
     font-size: 2.2rem;
     color: #198754;
     margin-bottom: 10px;
 }

 .content-header p {
     font-size: 1.1rem;
     color: #666;
 }

 .content-body {
     font-size: 1.1rem;
     line-height: 1.8;
 }

 .content-body p {
     margin-bottom: 20px;
 }

 .highlight {
     color: #0d6efd;
     font-weight: 600;
 }

 /* 企业介绍内容 */
 .intro-grid {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
     gap: 25px;
     margin-top: 30px;
 }

 .intro-card {
     background-color: #f8f9fa;
     border-radius: 10px;
     padding: 25px;
     border-left: 5px solid #198754;
     transition: transform 0.3s;
 }

 .intro-card:hover {
     transform: translateY(-5px);
     box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
 }

 .intro-card h3 {
     color: #198754;
     margin-bottom: 15px;
     font-size: 1.5rem;
 }

 /* 企业荣誉内容 */
 .honor-list {
     list-style: none;
     margin-top: 30px;
 }

 .honor-item {
     padding: 20px;
     border-left: 5px solid #0d6efd;
     background-color: #f8f9fa;
     margin-bottom: 20px;
     border-radius: 0 8px 8px 0;
     display: flex;
     align-items: center;
 }

 .honor-item i {
     font-size: 1.8rem;
     color: #198754;
     margin-right: 20px;
     flex-shrink: 0;
 }

 /* 企业风采内容 */
 .gallery-grid {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
     gap: 20px;
     margin-top: 30px;
 }

 .gallery-item {
     border-radius: 10px;
     overflow: hidden;
     box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
     transition: transform 0.3s;
 }

 .gallery-item:hover {
     transform: translateY(-8px);
 }

 .gallery-img {
     width: 100%;
     height: 180px;
     background-color: #ddd;
     background-size: cover;
     background-position: center;
 }

 .gallery-caption {
     padding: 15px;
     background-color: white;
 }

 .gallery-caption h4 {
     color: #198754;
     margin-bottom: 8px;
 }

 /* 公司简介内容 */
 .company-profile {
     margin-top: 30px;
 }

 .profile-highlights {
     display: flex;
     flex-wrap: wrap;
     gap: 20px;
     margin-top: 30px;
 }

 .highlight-box {
     flex: 1;
     min-width: 200px;
     background: linear-gradient(135deg, #f0f7ff, #e8f4ff);
     padding: 25px;
     border-radius: 10px;
     text-align: center;
 }

 .highlight-box i {
     font-size: 2.5rem;
     color: #0d6efd;
     margin-bottom: 15px;
 }

 .highlight-box h4 {
     color: #198754;
     margin-bottom: 10px;
 }

 /* 页脚 */
 /* 页脚样式已移至 index.css 统一管理 */

 /* 响应式设计 */
 @media (max-width: 768px) {
     .main-content {
         flex-direction: column;
     }

     .left-nav {
         width: 100%;
     }

     .banner-title {
         font-size: 1.8rem;
     }

     .banner-subtitle {
         font-size: 1rem;
         padding: 0 15px;
     }

     .right-content {
         padding: 25px 15px;
     }

     .content-header h2 {
         font-size: 1.6rem;
     }

     /* 企业荣誉/风采图片响应式 */
     .honor-images,
     .style-images {
         flex-direction: column !important;
         align-items: center;
     }

     .honor-images img,
     .style-images img {
         width: 100% !important;
         max-width: 300px !important;
         margin-right: 0 !important;
         margin-bottom: 20px !important;
     }

     .intro-grid {
         grid-template-columns: 1fr;
     }

     .intro-card {
         padding: 20px;
     }

     .top-banner {
         height: 40vh;
         min-height: 280px;
     }

     .nav-link {
         padding: 15px 20px;
     }

     .nav-text {
         font-size: 1rem;
     }
 }

 @media (max-width: 480px) {
     .banner-title {
         font-size: 1.5rem;
     }

     .banner-subtitle {
         font-size: 0.9rem;
     }

     .content-header h2 {
         font-size: 1.4rem;
     }

     .intro-card h3 {
         font-size: 1.2rem;
     }

     .intro-card p {
         font-size: 0.9rem;
     }

     .top-banner {
         height: 35vh;
         min-height: 220px;
     }
 }