.page {
    background-color: rgba(255, 255, 255, 1);
    position: relative;
    width: 100%;
    max-width: 100%;
    min-width: 1080px; /* 设置最小宽度为1080px */
    overflow-x: auto; /* 当宽度不足时显示滚动条 */
    margin: 0 auto;
  }
  
  /* 头部区域 */
  .header {
    position: relative;
    background-image: url(./Mask\ group.png);
    background-size: 100% auto;
    background-position: center top;
    background-repeat: no-repeat;
    width: 100%;
    max-width: 100%;
    /* min-height: 100vh; */
    aspect-ratio: 1920 / 1046; /* 根据实际图片比例调整 */
  }
  
  .hero-content {
    position: absolute;
    left: 50%;
    top: calc(20px + 56px + 150px); /* nav-bar top + nav-bar height + spacing */
    transform: translateX(-50%);
    width: 1280px;
    max-width: calc(100% - 40px);
    min-width: 280px;
    height: auto;
    z-index: 2;
    text-align: left;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  
  @media (min-width: 1601px) {
    .hero-content {
      left: 50%;
      transform: translateX(-50%);
      width: 1280px;
      max-width: calc(100% - 40px);
      padding-left: 24px; /* 与logo的margin-left对齐 */
      padding-right: 20px;
      text-align: left;
      align-items: flex-start;
    }
  }
  
  @media (max-width: 1600px) and (min-width: 769px) {
    .hero-content {
      left: 50%;
      transform: translateX(-50%);
      width: 90%;
      max-width: 1280px;
      padding-left: 74px; /* 与logo的margin-left对齐 */
      padding-right: 20px;
      text-align: left;
      align-items: flex-start;
    }
    .nav-bar {
      width: 90%;
      max-width: 1280px;
    }
  }
  
  @media (max-width: 768px) {
    .hero-content {
      left: 50%;
      top: calc(20px + 56px + 80px);
      transform: translateX(-50%);
      width: calc(100% - 40px);
      max-width: calc(100% - 40px);
      min-width: 280px;
      text-align: center;
      padding: 0 20px;
      align-items: center;
    }
    .nav-bar {
      width: calc(100% - 40px);
      max-width: 100%;
      min-width: 280px;
      padding: 0 20px;
      flex-wrap: wrap;
      height: auto;
      min-height: 56px;
      left: 50%;
      transform: translateX(-50%);
      justify-content: center;
      align-items: center;
    }
    .header {
      min-height: 500px;
      height: auto;
      min-width: 1080px;
    }
    .hero-title {
      font-size: 28px;
      line-height: 36px;
      white-space: normal;
      text-align: center;
      max-width: 100%;
      width: 100%;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }
    .hero-subtitle {
      font-size: 28px;
      line-height: 36px;
      white-space: normal;
      text-align: center;
      width: 100%;
      max-width: 100%;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }
    .logo-wrapper {
      margin: 0 auto;
      gap: 8px;
      justify-content: center;
      flex-shrink: 0;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      flex-shrink: 0;
    }
    .logo-title {
      height: 22px;
      min-width: 140px;
      max-width: 200px;
      width: auto;
      flex-shrink: 1;
    }
    .nav-item-home,
    .nav-item-about,
    .nav-item-brands,
    .nav-item-contact {
      margin: 0 8px;
      font-size: 14px;
      flex-shrink: 0;
    }
    .nav-item-contact {
      margin: 0 8px;
    }
    .nav-link-home,
    .nav-link-about,
    .nav-link-brands,
    .nav-link-contact {
      font-size: 14px;
      line-height: 18px;
      white-space: nowrap;
    }
    .cta-button {
      width: 200px;
      max-width: 90%;
      margin: 40px auto 0;
    }
  }
  
  .hero-title {
    width: auto;
    max-width: 500px;
    height: auto;
    min-height: 83px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 46px;
    font-family: Source Han Sans SC-Bold;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 56px;
    margin: 0;
  }
  
  .hero-subtitle {
    width: auto;
    max-width: 500px;
    height: auto;
    min-height: 83px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 46px;
    font-family: Source Han Sans SC-Normal;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 56px;
    margin: 20px 0 0 0;
  }
  
  @media (min-width: 1601px) {
    .hero-title,
    .hero-subtitle {
      text-align: left;
      margin-left: 0;
      margin-right: 0;
    }
  }
  
  @media (max-width: 1600px) and (min-width: 769px) {
    .hero-title,
    .hero-subtitle {
      text-align: left;
      margin-left: 0;
      margin-right: 0;
    }
  }
  
  .cta-button {
    background-color: rgba(255, 255, 255, 1);
    border-radius: 24px;
    width: 224px;
    height: 48px;
    margin: 55px 0 0 0;
    text-decoration: none;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
  }
  
  @media (min-width: 1601px) {
    .cta-button {
      margin-left: 0;
      margin-right: 0;
    }
  }
  
  @media (max-width: 1600px) and (min-width: 769px) {
    .cta-button {
      margin-left: 0;
      margin-right: 0;
    }
  }
  
  .cta-button:hover {
    background-color: rgba(255, 255, 255, 0.9);
  }
  
  .cta-text {
    width: 64px;
    height: 24px;
    overflow-wrap: break-word;
    color: rgba(41, 138, 171, 1);
    font-size: 16px;
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 16px;
    margin: 8px 0 0 24px;
  }
  
  .cta-icon {
    width: 32px;
    height: 32px;
    margin: 0px 28px 0 76px;
  }
  
  .group_4 {
    background-color: rgba(255, 255, 255, 1);
    border-radius: 50%;
    width: 13px;
    height: 13px;
    margin: 228px 0 0 24px;
  }
  
  .text_4 {
    width: 224px;
    height: 83px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 56px;
    font-family: Source Han Sans SC-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 56px;
    margin: 193px 0 0 24px;
  }
  
  .image_4 {
    width: 800px;
    height: 884px;
    margin: 44px 275px 0 23px;
  }
  
  .nav-bar {
    border-radius: 16px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20px;
    width: 1280px;
    max-width: calc(100% - 200px);
    min-width: 280px;
    height: 56px;
    z-index: 3;
    display: flex;
    align-items: center;
    padding: 0 20px;
    overflow: hidden;
    justify-content: space-between;
  }
  
  .logo-wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin: 0 0 0 24px;
    flex-shrink: 0;
    gap: 12px;
  }
  
  .logo-icon {
    width: 56px;
    height: 56px;
    object-fit: contain;
    flex-shrink: 0;
  }
  
  .logo-title {
    height: 32px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    margin-top: 8px;
  }
  
  .nav-item-home {
    width: auto;
    height: auto;
    margin: 0 0 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-shrink: 0;
    text-decoration: none;
    cursor: pointer;
  }
  
  .nav-link-home {
    width: auto;
    height: auto;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 18px;
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 22px;
    padding: 0;
  }
  
  .nav-indicator {
    background-color: rgba(60, 185, 227, 1);
    width: 100%;
    height: 2px;
    margin-top: 2px;
    transition: opacity 0.3s ease;
  }
  
  /* 首页下划线默认显示 */
  .nav-item-home .nav-indicator {
    opacity: 1;
  }
  
  /* 其他链接下划线默认隐藏 */
  .nav-item-about .nav-indicator,
  .nav-item-brands .nav-indicator,
  .nav-item-contact .nav-indicator {
    opacity: 0;
  }
  
  .nav-item-about,
  .nav-item-brands,
  .nav-item-contact {
    width: auto;
    height: auto;
    margin: 0 0 0 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-shrink: 0;
    text-decoration: none;
    cursor: pointer;
  }
  
  .nav-item-contact {
    margin: 0 24px 0 48px;
  }
  
  .nav-link-about,
  .nav-link-brands,
  .nav-link-contact {
    width: auto;
    height: auto;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 22px;
    padding: 0;
    transition: color 0.3s ease;
  }
  
  /* 悬停时显示下划线 */
  .nav-item-home:hover .nav-indicator {
    opacity: 1;
  }
  
  .nav-item-about:hover .nav-indicator,
  .nav-item-brands:hover .nav-indicator,
  .nav-item-contact:hover .nav-indicator {
    opacity: 1;
  }
  
  /* 当导航栏中有其他链接被悬停时，隐藏首页下划线 */
  .nav-bar:hover .nav-item-home:not(:hover) .nav-indicator {
    opacity: 0;
  }
  
  /* 当没有链接被悬停时，显示首页下划线 */
  .nav-bar:not(:hover) .nav-item-home .nav-indicator {
    opacity: 1;
  }
  
  /* 所有导航链接悬停时文字颜色变亮 */
  .nav-item-home:hover .nav-link-home,
  .nav-item-about:hover .nav-link-about,
  .nav-item-brands:hover .nav-link-brands,
  .nav-item-contact:hover .nav-link-contact {
    color: rgba(255, 255, 255, 1);
  }
  
  /* 关于我们区域 */
  .about-section {
    position: relative;
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    overflow: hidden;
  }
  
  .about-title-wrapper {
    width: 557px;
    height: 53px;
    margin: 111px auto 0;
    max-width: calc(100% - 40px);
    flex-shrink: 0;
  }
  
  .about-label {
    background-image: url(./about.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 44px;
    margin-top: -5px;
    width: 113px;
  }
  
  .about-label-text {
    width: 64px;
    height: 24px;
    overflow-wrap: break-word;
    color: rgba(24, 90, 115, 1);
    font-size: 16px;
    font-family: Source Han Sans SC-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 16px;
    margin: 15px 0 0 25px;
  }
  
  .about-title {
    width: 432px;
    height: 53px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 0.9);
    font-size: 36px;
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 36px;
  }
  
  .about-description {
    width: 770px;
    max-width: calc(100% - 40px);
    height: auto;
    min-height: 48px;
    overflow-wrap: break-word;
    font-size: 0;
    font-family: Source Han Sans SC-Normal;
    font-weight: normal;
    text-align: center;
    margin: 24px auto 0;
    flex-shrink: 0;
  }
  
  .about-desc-text-1 {
    width: 100%;
    max-width: 770px;
    height: auto;
    min-height: 48px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 0.8);
    font-size: 16px;
    font-family: Source Han Sans SC-Normal;
    font-weight: normal;
    text-align: center;
  }
  
  .about-desc-text-2 {
    width: 100%;
    max-width: 770px;
    height: auto;
    min-height: 48px;
    overflow-wrap: break-word;
    color: rgba(54, 166, 203, 1);
    font-size: 16px;
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: center;
  }
  
  .about-desc-text-3 {
    width: 100%;
    max-width: 770px;
    height: auto;
    min-height: 48px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 0.8);
    font-size: 16px;
    font-family: Source Han Sans SC-Normal;
    font-weight: normal;
    text-align: center;
  }
  
  .about-desc-text-4 {
    width: 100%;
    max-width: 770px;
    height: auto;
    min-height: 48px;
    overflow-wrap: break-word;
    color: rgba(54, 166, 203, 1);
    font-size: 16px;
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: center;
  }
  
  .about-desc-text-5 {
    width: 100%;
    max-width: 770px;
    height: auto;
    min-height: 48px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 0.8);
    font-size: 16px;
    font-family: Source Han Sans SC-Normal;
    font-weight: normal;
    text-align: center;
  }
  
  .about-cards-wrapper {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 24px;
    margin: 74px auto 0;
    width: 100%;
    max-width: 1400px;
    padding: 0 20px;
    flex-wrap: nowrap; /* 确保一行显示 */
    flex-shrink: 0;
  }
  
  /* PC端大屏幕保持原始间距 */
  @media (min-height: 1000px) {
    .about-title-wrapper {
      margin: 111px auto 0;
    }
    .about-description {
      margin: 24px auto 0;
    }
    .about-cards-wrapper {
      margin: 40px auto 0;
    }
  }
  
  /* 适配中等屏幕（900px-1000px高度） */
  @media (max-height: 1000px) and (min-height: 901px) and (min-width: 1080px) {
    .about-title-wrapper {
      margin: 80px auto 0;
    }
    .about-description {
      margin: 20px auto 0;
    }
    .about-cards-wrapper {
      margin: 35px auto 0;
    }
  }
  
  /* 适配笔记本分辨率（1366x768, 1440x900等） */
  @media (max-height: 900px) and (min-width: 1080px) {
    .about-section {
      justify-content: center;
    }
    .about-title-wrapper {
      margin: 40px auto 0;
    }
    .about-description {
      margin: 15px auto 0;
    }
    .about-cards-wrapper {
      margin: 30px auto 0;
    }
  }
  
  /* 适配更小的笔记本分辨率 */
  @media (max-height: 800px) and (min-width: 1080px) {
    .about-title-wrapper {
      margin: 30px auto 0;
    }
    .about-description {
      margin: 12px auto 0;
    }
    .about-cards-wrapper {
      margin: 25px auto 0;
    }
  }
  
  @media (max-width: 1900px) {
    .about-cards-wrapper {
      flex-wrap: nowrap; /* 在1900px及以下时保持一行显示 */
      gap: 2px;
      padding: 0 5px;
    }
  }
  
  @media (max-width: 1024px) {
    .about-title-wrapper {
      width: 100%;
      max-width: 557px;
      padding: 0 20px;
    }
    .about-title {
      width: 100%;
      max-width: 432px;
      white-space: normal;
      text-align: center;
    }
    .about-description {
      width: 100%;
      max-width: 770px;
      padding: 0 20px;
    }
    .about-cards-wrapper {
      flex-direction: column;
      align-items: center;
    }
    .social-feature-card,
    .event-operation-card,
    .brand-promotion-card {
      width: 100%;
      max-width: 418px;
    }
    .brands-content-wrapper {
      flex-direction: column;
      align-items: center;
      gap: 40px;
    }
    .brands-left-content {
      width: 100%;
      max-width: 420px;
      text-align: center;
    }
    .brands-cards-container {
      width: 100%;
      max-width: 420px; /* 进一步缩小到420px */
    }
    .brand-card-tennis,
    .brand-card-sports,
    .brand-card-outdoor {
      width: 100%;
      max-width: 420px; /* 进一步缩小到420px */
      aspect-ratio: 663 / 140;
      box-sizing: border-box;
    }
  }
  
  @media (max-width: 768px) {
    .about-section {
      min-height: auto;
      height: auto;
      padding: 0 0 40px 0;
      margin-top: -20px;
      min-width: 1080px;
    }
    .about-title-wrapper {
      margin: 10px auto 0;
      padding: 0 20px;
      width: 100%;
      max-width: 557px;
      min-width: 280px;
      text-align: center;
    }
    .about-title {
      font-size: 28px;
      line-height: 36px;
      width: 100%;
      max-width: 432px;
      margin: 0 auto;
      text-align: center;
    }
    .about-description {
      margin: 20px auto 0;
      padding: 0 20px;
      width: 100%;
      max-width: 770px;
      min-width: 280px;
      font-size: 0;
      text-align: left;
    }
    .about-desc-text-1,
    .about-desc-text-2,
    .about-desc-text-3,
    .about-desc-text-4 {
      font-size: 14px;
      line-height: 22px;
      white-space: nowrap;
      display: inline;
      text-align: left !important;
    }
    .about-desc-text-5 {
      font-size: 14px;
      line-height: 22px;
      display: block;
      white-space: normal;
      text-align: left !important;
      margin-top: 8px;
    }
    .about-cards-wrapper {
      margin: 40px auto 0;
      padding: 0 20px;
      gap: 20px;
      width: 100%;
      max-width: 1400px;
      min-width: 280px;
      justify-content: center;
    }
    .social-feature-card,
    .event-operation-card,
    .brand-promotion-card {
      height: 350px;
      width: 100%;
      max-width: 418px;
      margin: 0 auto;
    }
    /* 品牌展示区域 - 最外层容器 */
    .brands-section {
      padding: 40px 0;
      min-width: 1080px;
      width: 100%;
      max-width: 100%;
      overflow-x: hidden;
      box-sizing: border-box;
    }
    
    /* 品牌内容包装器 - 第二层 */
    .brands-content-wrapper {
      padding: 40px 2% !important;
      width: 100% !important;
      max-width: 100% !important;
      min-width: 0 !important;
      margin: 0 auto !important;
      flex-direction: column !important;
      align-items: center !important;
      overflow: hidden !important;
      box-sizing: border-box !important;
    }
    
    /* 左侧内容区域 */
    .brands-left-content {
      width: 100%;
      max-width: 100%;
      margin-bottom: 20px;
      box-sizing: border-box;
    }
    
    .brands-title {
      font-size: 28px;
      line-height: 36px;
      white-space: normal;
      width: 100%;
      text-align: center;
    }
    
    .brands-intro-text {
      font-size: 16px;
      line-height: 24px;
      width: 100%;
      text-align: center;
    }
    
    /* 品牌卡片容器 - 第三层 */
    .brands-cards-container {
      width: 100% !important;
      max-width: 100% !important;
      margin: 0 auto !important;
      transform: none !important;
      align-items: center !important;
      padding: 0 !important;
      box-sizing: border-box !important;
      overflow: hidden !important;
    }
    
    /* 品牌卡片 - 最内层，使用百分比 */
    .brand-card-tennis,
    .brand-card-sports,
    .brand-card-outdoor {
      width: 90% !important;
      max-width: 90% !important;
      aspect-ratio: 663 / 140 !important;
      min-height: 100px !important;
      padding: 2% !important;
      margin: 0 auto 15px auto !important;
      transform: skew(-3deg) !important;
      box-sizing: border-box !important;
    }
    .brand-card-tennis > *,
    .brand-card-sports > *,
    .brand-card-outdoor > * {
      transform: skew(3deg) !important;
    }
    
    /* 图标 - 使用百分比 */
    .brand-icon-tennis,
    .brand-icon-sports,
    .brand-icon-outdoor {
      width: 8% !important;
      height: auto !important;
      aspect-ratio: 1 / 1 !important;
      margin: 8% 0 0 8% !important;
    }
    
    /* 品牌信息区域 - 使用百分比 */
    .brand-info-tennis,
    .brand-info-sports,
    .brand-info-outdoor {
      width: auto !important;
      height: auto !important;
      margin: 7% 0 0 4% !important;
    }
    
    /* 品牌名称 - 字体大小 */
    .brand-name-tennis,
    .brand-name-sports,
    .brand-name-outdoor {
      font-size: 3.5vw !important;
      width: auto !important;
      height: auto !important;
    }
    
    /* 英文名称 - 字体大小 */
    .brand-name-en-tennis,
    .brand-name-en-sports,
    .brand-name-en-outdoor {
      font-size: 2.5vw !important;
      width: auto !important;
      height: auto !important;
    }
    
    /* 描述文字 - 使用百分比宽度 */
    .brand-desc-tennis,
    .brand-desc-sports,
    .brand-desc-outdoor {
      font-size: 2.2vw !important;
      line-height: 1.5 !important;
      width: 35% !important;
      max-width: 35% !important;
      margin: 8% 0 0 5% !important;
      height: auto !important;
    }
    
    /* 下载按钮 - 使用百分比 */
    .brand-download-tennis {
      width: 15% !important;
      height: auto !important;
      aspect-ratio: 90 / 46 !important;
      margin: 8% 6% 0 12% !important;
      padding: 2% !important;
      box-sizing: border-box !important;
    }
    
    .brand-download-text-tennis {
      font-size: 2.2vw !important;
      width: auto !important;
      height: auto !important;
      margin: 0 !important;
    }
    .footer-main-content {
      flex-direction: column;
      gap: 40px;
      width: 100%;
      max-width: 1280px;
      min-width: 280px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .footer-left-section {
      width: 100%;
      text-align: center;
    }
    .footer-right-section {
      width: 100%;
      flex-direction: column;
      gap: 40px;
      align-items: center;
    }
    .footer-links-column,
    .footer-brands-column,
    .footer-contact-column {
      text-align: center;
      align-items: center;
    }
    
    .footer-contact-item {
      justify-content: center;
    }
    .footer-copyright {
      flex-direction: column;
      gap: 12px;
      align-items: center;
      text-align: center;
      width: 100%;
      max-width: 1280px;
      min-width: 280px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .footer-copyright-text,
    .footer-icp {
      text-align: center;
      width: 100%;
    }
  }
  
  @media (max-width: 480px) {
    .page {
      min-width: 1080px;
    }
    .nav-bar {
      flex-direction: row;
      height: auto;
      padding: 12px 10px;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: center;
      align-items: center;
      width: calc(100% - 40px);
      min-width: 280px;
    }
    .logo-wrapper {
      width: 100%;
      justify-content: center;
      margin-bottom: 8px;
      order: -1;
    }
    .nav-item-home,
    .nav-item-about,
    .nav-item-brands,
    .nav-item-contact {
      margin: 0 4px;
      flex-shrink: 0;
      text-align: center;
    }
    .hero-content {
      max-width: calc(100% - 40px);
      min-width: 280px;
      padding: 0 20px;
    }
    .hero-title {
      font-size: 24px;
      line-height: 32px;
      width: 100%;
    }
    .hero-subtitle {
      font-size: 24px;
      line-height: 32px;
      width: 100%;
    }
    .cta-button {
      width: 180px;
      max-width: 90%;
      height: 44px;
      margin-top: 30px;
    }
    .about-title {
      font-size: 24px;
      line-height: 32px;
    }
    .brands-title {
      font-size: 24px;
      line-height: 32px;
    }
    .header {
      min-width: 1080px;
    }
  }
  
  @media (max-width: 1024px) {
    .social-feature-card,
    .event-operation-card,
    .brand-promotion-card {
      width: 100%;
      max-width: 418px;
    }
  }
  
  .social-feature-card {
    border-radius: 24px;
    height: 452px;
    width: 418px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
  }
  
  @media (max-width: 1900px) {
    .social-feature-card {
      height: 384px;
      width: 355px;
    }
  }
  
  .social-card-bg {
    width: 100%;
    height: 100%;
    background: url(./about1.png) 100% no-repeat;
    background-size: cover;
    background-position: center;
    border-radius: 24px;
    position: relative;
  }
  
  .social-card-content {
    width: 266px;
    height: 84px;
    position: absolute;
    bottom: 40px;
    left: 40px;
  }
  
  @media (max-width: 1900px) {
    .social-card-content {
      width: 226px;
      bottom: 34px;
      left: 34px;
    }
  }
  
  .social-card-title {
    width: 80px;
    height: 30px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 20px;
    font-family: Source Han Sans SC-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 20px;
  }
  
  .social-card-desc {
    width: 266px;
    height: 42px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    margin-top: 12px;
  }
  
  @media (max-width: 1900px) {
    .social-card-desc {
      width: 226px;
    }
  }
  
  /* 品牌展示区域 */
  .brands-section {
    min-height: 695px;
    background: url(./show.png) no-repeat;
    background-size: cover;
    background-position: center;
    width: 100%;
    max-width: 100%;
    position: relative;
    margin: 40px 0 1px 0;
    padding: 88px 0 40px;
  }
  
  .brands-content-wrapper {
    max-width: calc(100% - 100px);
    margin: 0 auto; /* 改为左对齐，整体往左移动 */
    padding: 88px 80px 40px; /* 左右padding从120px缩小到80px */
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    position: relative; /* 为绝对定位的二维码卡片提供定位上下文 */
  }
  
  .brands-left-content {
    flex: 0 0 auto;
    width: 360px; /* 从420px缩小 */
    padding-top: 0;
  }
  
  .brands-header {
    width: 100%;
    height: auto;
    margin: 0;
    padding: 0;
    padding-bottom: 40px;
  }
  
  .brands-title-wrapper {
    width: 252px;
    height: 119px;
    margin-top: 15px;
  }
  
  .brands-label {
    background-image: url(./about.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 54px;
    margin-left: 3px;
    width: 139px;
    border-radius: 4px;
  }
  
  .brands-label-text {
    width: 90px;
    height: 27px;
    overflow-wrap: break-word;
    color: rgba(24, 90, 115, 1);
    font-size: 18px;
    font-family: Source Han Sans SC-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 18px;
    margin: 20px 0 0 25px;
  }
  
  .brands-title {
    width: 252px;
    height: 53px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 26px; /* 从30px缩小 */
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 32px; /* 从36px缩小 */
    margin-top: 42px;
  }
  
  .brands-intro {
    width: 100%;
    height: auto;
    margin: 22px 0 0 0;
    padding: 0;
  }
  
  .brands-intro-text {
    width: 100%;
    height: auto;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 16px; /* 从18px缩小 */
    font-family: Source Han Sans SC-Normal;
    font-weight: normal;
    text-align: left;
    line-height: 25px; /* 从28px缩小 */
    margin-top: 0;
  }
  
  .brands-cards-container {
    flex: 0 0 auto;
    width: 100%;
    max-width: 420px; /* 从480px进一步缩小到420px */
    display: flex;
    flex-direction: column;
    align-items: flex-start; /* 改为靠左对齐 */
    gap: 18px;
    position: relative;
    box-sizing: border-box;
  }
  
  .brand-card-sports {
    background-color: rgba(255, 255, 255, 1);
    border-radius: 16px;
    width: 100%;
    max-width: 420px; /* 从480px进一步缩小到420px */
    aspect-ratio: 663 / 140;
    min-height: 89px; /* 按比例缩小 */
    transform: skew(-3deg);
    transform-origin: center;
    box-sizing: border-box;
  }
  
  .brand-card-sports > * {
    transform: skew(3deg);
  }
  
  .brand-icon-sports {
    width: 32px; /* 进一步缩小 */
    height: 32px; /* 进一步缩小 */
    margin: 28px 0 0 28px; /* 按比例缩小 */
  }
  
  .brand-info-sports {
    width: 64px;
    height: 56px;
    margin: 25px 0 0 16px; /* 按比例缩小 */
  }
  
  .brand-name-sports {
    width: 60px;
    height: 30px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 1);
    font-size: 16px; /* 进一步缩小 */
    font-family: Source Han Sans SC-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 16px; /* 进一步缩小 */
  }
  
  .brand-name-en-sports {
    width: 64px;
    height: 22px;
    overflow-wrap: break-word;
    color: rgba(90, 151, 195, 0.5);
    font-size: 12px; /* 进一步缩小 */
    font-family: Galano Grotesque Alt-SemiBold;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 12px; /* 进一步缩小 */
    margin-top: 4px;
  }
  
  .brand-desc-sports {
    height: 44px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 0.8);
    font-size: 11px; /* 进一步缩小 */
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    line-height: 17px; /* 进一步缩小 */
    margin: 31px 0 0 4px; /* 按比例缩小 */
  }
  
  .brand-card-outdoor {
    background-color: rgba(255, 255, 255, 1);
    border-radius: 16px;
    width: 100%;
    max-width: 420px; /* 从480px进一步缩小到420px */
    aspect-ratio: 663 / 140;
    min-height: 89px; /* 按比例缩小 */
    transform: skew(-3deg);
    transform-origin: center;
    box-sizing: border-box;
  }
  
  .brand-card-outdoor > * {
    transform: skew(3deg);
  }
  
  .brand-icon-outdoor {
    width: 32px; /* 进一步缩小 */
    height: 32px; /* 进一步缩小 */
    margin: 29px 0 0 28px; /* 按比例缩小 */
  }
  
  .brand-info-outdoor {
    width: 82px;
    height: 56px;
    margin: 27px 0 0 16px; /* 按比例缩小 */
  }
  
  .brand-name-outdoor {
    width: 60px;
    height: 30px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 1);
    font-size: 16px; /* 进一步缩小 */
    font-family: Source Han Sans SC-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 16px; /* 进一步缩小 */
  }
  
  .brand-name-en-outdoor {
    width: 82px;
    height: 22px;
    overflow-wrap: break-word;
    color: rgba(90, 151, 195, 0.5);
    font-size: 12px; /* 进一步缩小 */
    font-family: Galano Grotesque Alt-SemiBold;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 12px; /* 进一步缩小 */
    margin-top: 4px;
  }
  
  .brand-desc-outdoor {
    height: 44px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 0.8);
    font-size: 11px; /* 进一步缩小 */
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    line-height: 17px; /* 进一步缩小 */
    margin: 31px 0 0 4px; /* 按比例缩小 */
  }
  
  .brand-download-outdoor {
    background-color: rgba(60, 185, 227, 1);
    border-radius: 8px;
    height: 46px;
    width: 90px;
    margin: 46px 40px 0 88px;
  }
  
  .brand-download-text-outdoor {
    width: 56px;
    height: 22px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 14px;
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 22px;
    margin: 12px 0 0 17px;
  }
  
  .brand-card-tennis {
    background-color: rgba(255, 255, 255, 1);
    border-radius: 16px;
    width: 100%;
    max-width: 420px; /* 从480px进一步缩小到420px */
    aspect-ratio: 663 / 140;
    min-height: 89px; /* 按比例缩小 */
    transform: skew(-3deg);
    transform-origin: center;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-sizing: border-box;
  }

  
  .brand-card-tennis > * {
    transform: skew(3deg);
  }
  
  .brand-download-tennis {
    background-color: rgba(60, 185, 227, 1);
    border-radius: 8px;
    height: 32px; /* 进一步缩小 */
    width: 62px; /* 进一步缩小 */
    margin: 29px 26px 0 8px; /* 按比例缩小 */
  }
  
  .brand-download-text-tennis {
    width: 56px;
    height: 22px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 11px; /* 进一步缩小 */
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 16px; /* 进一步缩小 */
    margin: 8px 0 0 10px; /* 按比例缩小 */
  }
  
  .brand-icon-tennis {
    width: 32px; /* 进一步缩小 */
    height: 32px; /* 进一步缩小 */
    margin: 29px 0 0 28px; /* 按比例缩小 */
  }
  
  .brand-info-tennis {
    width: 62px;
    height: 56px;
    margin: 27px 0 0 16px; /* 按比例缩小 */
  }
  
  .brand-name-tennis {
    width: 60px;
    height: 30px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 1);
    font-size: 16px; /* 进一步缩小 */
    font-family: Source Han Sans SC-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 16px; /* 进一步缩小 */
  }
  
  .brand-name-en-tennis {
    width: 62px;
    height: 22px;
    overflow-wrap: break-word;
    color: rgba(90, 151, 195, 0.5);
    font-size: 12px; /* 进一步缩小 */
    font-family: Galano Grotesque Alt-SemiBold;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 12px; /* 进一步缩小 */
    margin-top: 4px;
  }
  
  .brand-desc-tennis {
    height: 44px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 0.8);
    font-size: 11px; /* 进一步缩小 */
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    line-height: 17px; /* 进一步缩小 */
    margin: 31px 0 0 4px; /* 按比例缩小 */
  }
  
  .qr-code-card {
    box-shadow: 0px 16px 40px 0px rgba(8, 52, 119, 0.2);
    background-color: rgba(255, 255, 255, 1);
    border-radius: 8px;
    position: absolute; /* 使用绝对定位，不影响其他元素布局 */
    left: 440px; /* 调整位置，适应缩小后的卡片 */
    top: 14px; /* 相对于 brands-cards-container 顶部偏移 */
    width: 200px;
    height: 226px;
    border: 1px solid rgba(233, 236, 237, 1);
    display: none; /* 默认隐藏 */
    z-index: 10; /* 确保二维码显示在其他元素之上 */
  }
  
  .qr-code-card.show {
    display: flex; /* 显示时使用 flex 布局 */
  }
  
  .qr-code-wrapper {
    width: 168px;
    height: 198px;
    margin: 16px 0 0 16px;
  }
  
  .qr-code-image {
    width: 168px;
    height: 168px;
  }
  
  .qr-code-text {
    width: 140px;
    height: 22px;
    overflow-wrap: break-word;
    color: rgba(0, 0, 0, 0.6);
    font-size: 14px;
    font-family: Source Han Sans SC-Normal;
    font-weight: normal;
    text-align: center;
    white-space: nowrap;
    line-height: 22px;
    margin: 8px 0 0 14px;
  }
  
  .event-operation-card {
    width: 418px;
    height: 452px;
    background: url(./about2.png) 100% no-repeat;
    background-size: cover;
    background-position: center;
    border-radius: 24px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
  }
  
  @media (max-width: 1900px) {
    .event-operation-card {
      width: 355px;
      height: 384px;
    }
  }
  
  .event-content {
    width: 280px;
    height: 84px;
    position: absolute;
    bottom: 40px;
    left: 40px;
  }
  
  @media (max-width: 1900px) {
    .event-content {
      width: 238px;
      bottom: 34px;
      left: 34px;
    }
  }
  
  .event-title {
    width: 80px;
    height: 30px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 20px;
    font-family: Source Han Sans SC-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 20px;
  }
  
  .event-desc {
    width: 280px;
    height: 42px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    margin-top: 12px;
  }
  
  @media (max-width: 1900px) {
    .event-desc {
      width: 238px;
    }
  }
  
  .brand-promotion-card {
    width: 418px;
    height: 452px;
    background: url(./about3.png) 100% no-repeat;
    background-size: cover;
    background-position: center;
    border-radius: 24px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
  }
  
  @media (max-width: 1900px) {
    .brand-promotion-card {
      width: 355px;
      height: 384px;
    }
  }
  
  .promotion-content {
    width: 278px;
    height: 84px;
    position: absolute;
    bottom: 40px;
    left: 40px;
  }
  
  @media (max-width: 1900px) {
    .promotion-content {
      width: 236px;
      bottom: 34px;
      left: 34px;
    }
  }
  
  .promotion-title {
    width: 80px;
    height: 30px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 20px;
    font-family: Source Han Sans SC-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 20px;
  }
  
  .promotion-desc {
    width: 278px;
    height: 42px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    margin-top: 12px;
  }
  
  @media (max-width: 1900px) {
    .promotion-desc {
      width: 236px;
    }
  }
  
  /* 页脚区域 */
  .footer {
    background-color: rgba(36, 42, 54, 1);
    width: 100%;
    max-width: 100%;
    padding: 50px 0 40px;
    margin-top:-10px;
  }
  
  .footer-main-content {
    width: 1280px;
    max-width: calc(100% - 40px);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
  
  .footer-left-section {
    flex: 0 0 auto;
    width: 514px;
  }
  
  .footer-logo-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
  }
  
  .footer-logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
  }
  
  .footer-description {
    width: 100%;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 0.96);
    font-size: 14px;
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    line-height: 30px;
    margin-top: 0;
  }
  
  .footer-right-section {
    flex: 0 0 auto;
    display: flex;
    flex-direction: row;
    gap: 80px; /* 从120px缩小，为新增列留出空间 */
  }
  
  .footer-links-column,
  .footer-brands-column,
  .footer-contact-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  
  .footer-link-title,
  .footer-brand-title,
  .footer-contact-title {
    color: rgba(255, 255, 255, 0.96);
    font-size: 16px;
    font-family: Source Han Sans SC-Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 24px;
    margin: 0;
  }
  
  .footer-contact-column {
    min-width: 200px;
  }
  
  .footer-contact-item {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 8px;
    margin: 0;
  }
  
  .footer-contact-icon {
    font-size: 16px;
    line-height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
  }
  
  .footer-contact-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    line-height: 20px;
    word-break: break-all;
  }
  
  .footer-contact-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  .footer-contact-link:hover {
    color: rgba(60, 185, 227, 1);
    text-decoration: none;
  }
  
  .footer-link-home,
  .footer-link-about,
  .footer-link-brands-display,
  .footer-link-contact,
  .footer-link-tennis,
  .footer-link-sports,
  .footer-link-outdoor {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 20px;
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  .footer-link-home:hover,
  .footer-link-about:hover,
  .footer-link-brands-display:hover,
  .footer-link-contact:hover,
  .footer-link-tennis:hover,
  .footer-link-sports:hover,
  .footer-link-outdoor:hover {
    color: rgba(255, 255, 255, 1);
  }
  
  .footer-divider {
    width: 1280px;
    max-width: calc(100% - 40px);
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 40px auto 20px;
  }
  
  
  .footer-copyright {
    width: 1280px;
    max-width: calc(100% - 40px);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .footer-copyright-text,
  .footer-icp {
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    font-family: Source Han Sans SC-Regular;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 20px;
  }
  
  .footer-icp a {
    color: inherit;
    text-decoration: none;
  }
  
  .footer-icp a:hover {
    color: inherit;
    text-decoration: none;
  }