:root {
    --text-title: #111111;
    --text-body: #555555;
    --text-muted: #999999;
    --bg-white: #ffffff;
    --bg-gray: #f8f9fa;
    --accent: #1d4ed8;
    --line-color: #eaeaea;
    --num-color: #64748b; 
  }

 
  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    
  }

  
  .section-wrap {
    width: 100%;
    padding: 60px 0;
    background: #f9f9f9;
  }

 

  .icon { fill: currentColor; }

  /* =========================================
     板块一标题：高端杂志风 (大中文+小英文)
     ========================================= */
  .header-magazine {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
  }

  .hm-left {
    display: flex;
    align-items: baseline;
    gap: 16px;
  }

  .hm-title {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1;
  }

  .hm-subtitle {
    font-size: 14px;
    font-family: "SFMono-Regular", Consolas, monospace;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
  }

  /* 极简黑框按钮 */
  .hm-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid #111;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
  }

  .hm-btn:hover {
    background: #111;
    color: #fff;
  }
  
  .hm-btn .icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
  }
  
  .hm-btn:hover .icon {
    transform: translateX(4px);
  }

  /* =========================================
     板块二标题：硬朗工业风 (左侧粗线)
     ========================================= */
  .header-industrial {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
  }

  /* 左侧粗黑竖条 */
  .hi-bar {
    width: 8px;
    height: 32px;
    background-color: var(--text-title);
    margin-right: 16px;
  }

  .hi-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 2px; /* 拉宽字距，更有工业感 */
  }

  /* 一条向右侧延伸的细线 */
  .hi-line {
    flex: 1;
    height: 1px;
    background-color: var(--line-color);
    margin: 0 30px;
  }

  /* 右侧文字链接 */
  .hi-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.3s ease;
  }

  .hi-link:hover {
    color: var(--text-title);
  }

  .hi-link .icon {
    width: 20px;
    height: 20px;
  }


  /* =========================================
     产品卡片 (保留之前的优质排版)
     ========================================= */
  .product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
  }

  .product-item {
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--line-color);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
  }

  .product-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.08);
    border-color: #dbeafe;
  }

  .pi-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: #fafbfc;
    padding: 20px;
    border-bottom: 1px solid var(--line-color);
  }
  
  .pi-img img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    transition: transform 0.4s ease;
  }

  .product-item:hover .pi-img img {
    transform: scale(1.05);
  }

  .pi-content {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
  }

  .pi-text {
    flex: 1;
    padding-right: 16px;
  }

  .pi-title {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .pi-tag-icon {
    color: var(--accent);
    width: 20px;
    height: 20px;
    flex-shrink: 0;
  }

  .pi-desc {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .pi-index {
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 40px;
    font-weight: 700;
    color: var(--num-color);
    line-height: 0.8;
    transition: all 0.3s ease;
    user-select: none;
    opacity: 0.4;
  }

  .product-item:hover .pi-index {
    color: var(--accent);
    opacity: 1;
  }


  /* =========================================
     新闻卡片 (严格 2 个一行)
     ========================================= */
  .news-section {
    background-color: var(--bg-gray);
    border-top: 1px solid var(--line-color);
  }

  .news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); 
    gap: 24px;
  }

  .news-card {
    display: flex;
    background: #ffffff;
    padding: 30px 36px;
    border-radius: 8px;
    border: 1px solid var(--line-color);
    transition: all 0.3s ease;
    position: relative;
    align-items: flex-start;
    overflow: hidden;
  }

  .news-card:hover {
    transform: translateY(-3px);
    border-color: #dbeafe;
    box-shadow: 0 10px 20px -8px rgba(0, 0, 0, 0.05);
  }

  .nc-index {
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 32px;
    font-weight: 700;
    color: var(--num-color);
    line-height: 1;
    margin-right: 24px;
    margin-top: -4px;
    transition: all 0.3s ease;
    user-select: none;
    opacity: 0.4;
  }

  .news-card:hover .nc-index {
    color: var(--accent);
    opacity: 1;
  }

  .nc-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    z-index: 2;
  }

  .nc-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
  }

  .nc-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-weight: 600;
    background: #eff6ff;
    padding: 4px 10px;
    border-radius: 4px;
  }

  .nc-cat .icon {
    width: 16px;
    height: 16px;
  }
  
  .nc-date {
    color: var(--text-muted);
    font-family: monospace;
  }

  .nc-title {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
    transition: color 0.3s ease;
  }
  
  .news-card:hover .nc-title {
    color: var(--accent);
  }

  .nc-desc {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
  }

  .nc-footer {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.3s ease;
    margin-top: auto;
  }
  
  .news-card:hover .nc-footer {
    color: var(--accent);
  }

  .nc-footer .icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
  }

  .news-card:hover .nc-footer .icon {
    transform: translateX(4px);
  }

  /* =========================================
     响应式
     ========================================= */
  @media (max-width: 1024px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; }
    
    /* 调整标题尺寸 */
    .hm-title { font-size: 26px; }
    .hi-title { font-size: 22px; }
    .hi-bar { height: 24px; width: 6px; }
  }

  @media (max-width: 768px) {
    .section-wrap { padding: 60px 0; }
    .product-grid {gap: 10px;}
    .pi-title { font-size: 18px; }
    .nc-title { font-size: 18px; }
    .news-card { padding: 24px; }
    
    /* 手机上标题变为上下布局 */
    .header-magazine { flex-direction: column; align-items: flex-start; gap: 16px; }
    .header-industrial {/* flex-wrap: wrap; *//* gap: 16px; */}
    .hi-line {/* display: none; */margin: 0 20px;} /* 隐藏中间的线 */
  }

  @media (max-width: 480px) {
    .product-grid { grid-template-columns: repeat(2, 1fr);}
    
    .pi-index { font-size: 32px; }
    .nc-index { font-size: 28px; margin-right: 16px; }
  }