:root {
      --primary-color: #0a3d62;
      --secondary-color: #3c6382;
      --accent-color: #e74c3c;
      --light-color: #f5f6fa;
      --dark-color: #2c3e50;
    }
    
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      scroll-behavior: smooth;
    }
    
    /* 导航栏样式 */
    .navbar {
      background-color: var(--primary-color);
      transition: all 0.3s ease;
    }
    
    .navbar.scrolled {
      background-color: rgba(10, 61, 98, 0.95);
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-brand {
      font-size: 1.8rem;
      font-weight: 700;
      color: white !important;
    }
    
    .nav-link {
      color: rgba(255, 255, 255, 0.8) !important;
      margin: 0 10px;
      font-weight: 500;
      transition: color 0.3s ease;
    }
    
    .nav-link:hover {
      color: white !important;
    }
    
    .nav-link.active {
      color: white !important;
      border-bottom: 2px solid var(--accent-color);
    }
    
    /* 轮播图样式 */
    .carousel {
      height: 100vh;
      overflow: hidden;
    }
    
    .carousel-item {
      height: 100vh;
      background-position: center;
      background-size: cover;
    }
    
    .carousel-caption {
      bottom: 30%;
      z-index: 2;
      text-align: left;
      max-width: 600px;
      left: 10%;
    }
    
    .carousel-caption h1 {
      font-size: 3.5rem;
      font-weight: 700;
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }
    
    .carousel-caption p {
      font-size: 1.2rem;
      margin-bottom: 30px;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }
    
    .carousel-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.2));
      z-index: 1;
    }
    
    /* 按钮样式 */
    .btn-primary {
      background-color: var(--accent-color);
      border: none;
      padding: 12px 30px;
      font-size: 1.1rem;
      font-weight: 600;
      border-radius: 30px;
      transition: all 0.3s ease;
    }
    
    .btn-primary:hover {
      background-color: #c0392b;
      transform: translateY(-3px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
    
    .btn-outline {
      background-color: transparent;
      border: 2px solid white;
      color: white;
      padding: 10px 25px;
      font-size: 1.1rem;
      font-weight: 600;
      border-radius: 30px;
      transition: all 0.3s ease;
    }
    
    .btn-outline:hover {
      background-color: white;
      color: var(--primary-color);
      transform: translateY(-3px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
    
    /* 车型展示区 */
    .section-title {
      text-align: center;
      margin-bottom: 60px;
    }
    
    .section-title h2 {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--dark-color);
      position: relative;
      display: inline-block;
      padding-bottom: 20px;
    }
    
    .section-title h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background-color: var(--accent-color);
    }
    
    .car-card {
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
      transition: all 0.4s ease;
      margin-bottom: 30px;
    }
    
    .car-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    }
    
    .car-img {
      height: 220px;
      overflow: hidden;
    }
    
    .car-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    
    .car-card:hover .car-img img {
      transform: scale(1.05);
    }
    
    .car-info {
      padding: 25px;
    }
    
    .car-info h3 {
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 10px;
      color: var(--dark-color);
    }
    
    .car-price {
      color: var(--accent-color);
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 15px;
    }
    
    .car-features {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }
    
    .feature {
      display: flex;
      align-items: center;
      font-size: 0.9rem;
      color: #666;
    }
    
    .feature i {
      margin-right: 5px;
      color: var(--secondary-color);
    }
    
    /* 品牌故事 */
    .about-section {
      padding: 100px 0;
      background-color: var(--light-color);
    }
    
    .about-img {
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .about-img img {
      width: 100%;
      height: auto;
      transition: transform 0.5s ease;
    }
    
    .about-img:hover img {
      transform: scale(1.03);
    }
    
    .about-content {
      padding: 30px;
    }
    
    .about-content h3 {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 20px;
      color: var(--dark-color);
    }
    
    .about-content p {
      font-size: 1.1rem;
      line-height: 1.8;
      color: #555;
      margin-bottom: 25px;
    }
    
    /* 服务优势 */
    .services-section {
      padding: 100px 0;
    }
    
    .service-card {
      text-align: center;
      padding: 40px 20px;
      border-radius: 10px;
      background-color: white;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
      transition: all 0.3s ease;
      margin-bottom: 30px;
    }
    
    .service-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    }
    
    .service-icon {
      width: 100px;
      height: 100px;
      border-radius: 50%;
      background-color: rgba(10, 61, 98, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 25px;
      transition: all 0.3s ease;
    }
    
    .service-card:hover .service-icon {
      background-color: var(--primary-color);
    }
    
    .service-icon i {
      font-size: 2.5rem;
      color: var(--primary-color);
      transition: all 0.3s ease;
    }
    
    .service-card:hover .service-icon i {
      color: white;
    }
    
    .service-card h3 {
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 15px;
      color: var(--dark-color);
    }
    
    .service-card p {
      color: #666;
      line-height: 1.7;
    }
    
    /* 联系我们 */
    .contact-section {
      padding: 100px 0;
      background-color: var(--primary-color);
      color: white;
    }
    
    .contact-section .section-title h2 {
      color: white;
    }
    
    .contact-form {
      background-color: white;
      padding: 40px;
      border-radius: 10px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .form-control {
      height: 50px;
      border-radius: 5px;
      border: 1px solid #ddd;
      padding: 15px;
      font-size: 1rem;
      margin-bottom: 20px;
      transition: all 0.3s ease;
    }
    
    .form-control:focus {
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(10, 61, 98, 0.2);
      outline: none;
    }
    
    textarea.form-control {
      height: 150px;
      resize: none;
    }
    
    .contact-info {
      padding: 40px;
    }
    
    .contact-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 30px;
    }
    
    .contact-icon {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background-color: rgba(255, 255, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 20px;
      flex-shrink: 0;
    }
    
    .contact-icon i {
      font-size: 1.2rem;
      color: white;
    }
    
    .contact-details h3 {
      font-size: 1.3rem;
      font-weight: 600;
      margin-bottom: 10px;
    }
    
    .contact-details p {
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 0;
    }
    
    /* 页脚 */
    footer {
      background-color: var(--dark-color);
      color: white;
      padding: 60px 0 30px;
    }
    
    .footer-logo {
      font-size: 1.8rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    
    .footer-about {
      margin-bottom: 30px;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.7;
    }
    
    .social-links {
      display: flex;
      gap: 15px;
      margin-bottom: 30px;
    }
    
    .social-link {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background-color: rgba(255, 255, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      transition: all 0.3s ease;
    }
    
    .social-link:hover {
      background-color: var(--accent-color);
      color: white;
      transform: translateY(-3px);
    }
    
    .footer-title {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 25px;
      position: relative;
      padding-bottom: 10px;
    }
    
    .footer-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 50px;
      height: 2px;
      background-color: var(--accent-color);
    }
    
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    
    .footer-links li {
      margin-bottom: 12px;
    }
    
    .footer-links a {
      color: rgba(255, 255, 255, 0.7);
      transition: all 0.3s ease;
      text-decoration: none;
    }
    
    .footer-links a:hover {
      color: white;
      padding-left: 5px;
    }
    
    .copyright {
      text-align: center;
      padding-top: 30px;
      margin-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      color: rgba(255, 255, 255, 0.5);
    }
    
    /* 响应式设计 */
    @media (max-width: 992px) {
      .carousel-caption h1 {
        font-size: 2.5rem;
      }
      
      .about-content {
        margin-top: 40px;
      }
    }
    
    @media (max-width: 768px) {
      .carousel-caption {
        bottom: 20%;
      }
      
      .carousel-caption h1 {
        font-size: 2rem;
      }
      
      .carousel-caption p {
        font-size: 1rem;
      }
      
      .section-title h2 {
        font-size: 2rem;
      }
      
      .contact-info {
        margin-top: 40px;
      }
    }
    
    @media (max-width: 576px) {
      .carousel-caption {
        bottom: 15%;
      }
      
      .carousel-caption h1 {
        font-size: 1.5rem;
      }
      
      .btn-primary, .btn-outline {
        padding: 8px 20px;
        font-size: 1rem;
      }
      
      .section-title h2 {
        font-size: 1.8rem;
      }
      
      .service-card {
        padding: 30px 15px;
      }
      
      .contact-form {
        padding: 30px 20px;
      }
    }

.social-link i svg {
    width: 30px;
    height: 20px;
}