/* 页面主体样式 */
    body {
      background-color: #f9f6f0;
      color: #333;
      line-height: 1.6;
    }
    h1,h2,h3,p {
      font-weight: 600;
    }

    /* 顶部banner */
    .banner {
      background: linear-gradient(120deg, #E55A00, #fc5f04);
      text-align: center;
      padding: 60px 20px;
      color: white;
      position: relative;
      overflow: hidden;
    }

    .banner::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
      opacity: 0.2;
      z-index: 0;
    }

    .banner-content {
      position: relative;
      z-index: 1;
    }

    .banner h1 {
      font-size: 4rem;
      margin-bottom: 15px;
      text-shadow: 0 2px 4px rgba(0,0,0,0.1);
      font-weight: 600;
    }

    .banner p {
      font-size: 2rem;
      max-width: 800px;
      margin: 0 auto;
      
    }
    
    .logo-img {
        width: auto;
        height: auto;
        margin: 0 auto;
    }

    /* 核心容器 */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      /*padding: 40px 20px;*/
    }

    /* 品牌符号部分 */
    .brand-symbol {
      background-color: white;
      padding: 40px;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      margin-bottom: 40px;
      text-align: center;
    }

    .brand-symbol h2 {
      color: #fc5f04;
      font-size: 3rem;
      margin-bottom: 20px;
      position: relative;
      display: inline-block;
    }

    .brand-symbol h2::after {
      content: "";
      position: absolute;
      bottom: -8px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: #f8961e;
    }

    .brand-symbol p {
      font-size: 2rem;
      color: #555;
      line-height: 1.8;
      max-width: 900px;
      margin: 0 auto;
    }

    /* 发展历程部分 */
    .timeline {
      margin-bottom: 40px;
    }

    .timeline h2 {
      text-align: center;
      color: #fc5f04;
      font-size: 3rem;
      margin-bottom: 60px;
      position: relative;
      display: inline-block;
      left: 50%;
      transform: translateX(-50%);
    }

    .timeline h2::after {
      content: "";
      position: absolute;
      bottom: -8px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: #f8961e;
    }

    .timeline-container {
      position: relative;
      max-width: 1100px;
      margin: 0 auto;
    }

    /* 时间轴中心线 */
    .timeline-container::after {
      content: '';
      position: absolute;
      width: 6px;
      background-color: #fc5f04;
      top: 0;
      bottom: 0;
      left: 49%;
      margin-left: -3px;
      border-radius: 3px;
    }

    /* 时间轴条目 - 基础样式 */
    .timeline-item {
      padding: 10px 0;
      position: relative;
      width: 100%;
      margin-bottom: 60px;
      display: flex;
      align-items: center;
    }

    /* 时间轴圆点 */
    .timeline-dot {
      position: absolute;
      width: 24px;
      height: 24px;
      background-color: white;
      border: 4px solid #fc5f04;
      border-radius: 50%;
      left: 49%;
      top: 50%;
      transform: translate(-50%, -50%);
      z-index: 2;
    }

    /* 左侧内容（文字）+ 右侧图片 */
    .timeline-left-content {
      width: calc(50% - 40px);
      padding-right: 20px;
      order: 1;
    }

    /* 右侧内容（文字）+ 左侧图片 */
    .timeline-right-content {
      width: calc(50% - 40px);
      padding-left: 20px;
      order: 3;
    }

    /* 图片容器 - 左右通用 */
    .timeline-img-wrap {
      width: calc(50% - 40px);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    }

    /* 左侧图片 */
    .timeline-img-left {
      order: 2;
      margin-right: 40px;
    }

    /* 右侧图片 */
    .timeline-img-right {
      order: 2;
      margin-left: 50px;
    }

    /* 图片样式 */
    .timeline-img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      transition: transform 0.3s ease;
      display: block;
    }

    .timeline-img-wrap:hover .timeline-img {
      transform: scale(1.05);
    }

    /* 文字内容卡片 */
    .timeline-text-card {
      background-color: white;
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    }

    .timeline-year {
      font-size: 3rem;
      color: #fc5f04;
      font-weight: bold;
      margin-bottom: 10px;
    }

    .timeline-text {
      color: #555;
      line-height: 1.7;
    }

    .timeline-text ul {
      margin-left: 20px;
      margin-top: 10px;
    }

    .timeline-text li {
      margin-bottom: 5px;
    }

    /* 企业理念部分 */
    .brand-values {
      background-color: white;
      padding: 40px;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      margin-bottom: 40px;
    }

    .brand-values h2 {
      color: #fc5f04;
      font-size: 3rem;
      margin-bottom: 30px;
      text-align: center;
      position: relative;
      display: inline-block;
      left: 50%;
      transform: translateX(-50%);
    }

    .brand-values h2::after {
      content: "";
      position: absolute;
      bottom: -8px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: #f8961e;
    }

    .values-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 20px;
    }

    .value-card {
      padding: 25px;
      border-left: 4px solid #fc5f04;
      background-color: #fef9e7;
      border-radius: 8px;
    }

    .value-card h3 {
      color: #f8961e;
      font-size: 2.5rem;
      margin-bottom: 15px;
    }

    .value-card p {
      color: #555;
      line-height: 1.7;
    }

    /* 关于我们部分 */
    .about-us {
      background: linear-gradient(120deg, #fc5f04, #E55A00);
      color: white;
      padding: 40px;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }

    .about-us h2 {
      font-size: 3rem;
      margin-bottom: 20px;
      text-align: center;
    }

    .about-content {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      text-align: center;
    }

    .about-item {
      flex: 1;
      min-width: 200px;
      font-size: 2rem;
    }

    /* 响应式适配 - 移动端 */
    @media screen and (max-width: 768px) {
      /* 时间轴中心线移到左侧 */
      .timeline-container::after {
        left: 30px;
      }

      /* 时间轴条目改为垂直布局 */
      .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 60px;
        padding-right: 10px;
      }

      /* 圆点位置调整 */
      .timeline-dot {
        left: 30px;
        top: 20px;
        transform: translate(-50%, 0);
      }

      /* 所有内容宽度100% */
      .timeline-left-content,
      .timeline-right-content,
      .timeline-img-wrap {
        width: 100%;
        padding: 0;
        margin: 0;
      }

      /* 图片在移动端都在文字上方 */
      .timeline-img-left,
      .timeline-img-right {
        order: 1;
        margin-bottom: 15px;
      }

      .timeline-left-content,
      .timeline-right-content {
        order: 2;
      }

      /* 移动端图片高度调整 */
      .timeline-img {
        height: 180px;
      }

      /* 其他响应式调整 */
      .banner h1 {
        font-size: 4rem;
      }

      .banner p {
        font-size: 3rem;
      }

      .brand-symbol, .brand-values, .about-us {
        padding: 20px;
      }
    }