/* ==========================================
       1. 全局 RESET & 基础变量
       ========================================== */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }
    body {
      background-color: #f8f9fa;
      color: #333333;
      line-height: 1.6;
      font-size: 16px;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* ==========================================
       2. 顶部 HEADER
       ========================================== */
    .top-header {
      background: #ffffff;
      border-bottom: 1px solid #e9ecef;
      padding: 12px 0;
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }
    .header-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .logo {
      font-size: 22px;
      font-weight: 800;
      color: #0056b3;
      text-decoration: none;
      letter-spacing: -0.5px;
    }
    .header-badges {
      display: flex;
      gap: 10px;
    }
    .badge-item {
      font-size: 12px;
      font-weight: 700;
      background: #e6f0fa;
      color: #0056b3;
      padding: 4px 10px;
      border-radius: 4px;
    }

    /* ==========================================
       3. 首屏 HERO BANNER 区 (图文彻底分离左右布局)
       ========================================== */
    .hero-banner {
      background: linear-gradient(135deg, #0a192f 0%, #112240 100%);
      color: #ffffff;
      padding: 50px 0;
      position: relative;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    /* 首屏左侧：文字 & 标签 */
    .hero-title {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 16px;
      color: #ffffff;
    }
    .hero-subtitle {
      font-size: 16px;
      color: #a8b2d1;
      margin-bottom: 24px;
      line-height: 1.6;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .hero-tag-item {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(100, 255, 218, 0.3);
      color: #64ffda;
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 20px;
    }

    /* 首屏右侧：专属主图位置 */
    .hero-image-box {
      width: 100%;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 12px 30px rgba(0,0,0,0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 320px;
    }
    .hero-image-box img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

    /* ==========================================
       4. 极简硬核参数模块 (HARDCORE SPECS GRID)
       ========================================== */
    .specs-section {
      padding: 50px 0;
      background: #ffffff;
    }
    .section-head {
      text-align: center;
      margin-bottom: 40px;
    }
    .section-title {
      font-size: 28px;
      font-weight: 800;
      color: #111111;
      margin-bottom: 8px;
    }
    .section-desc {
      font-size: 15px;
      color: #666666;
    }

    .specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .spec-card {
      background: #f8f9fa;
      border: 1px solid #e9ecef;
      border-radius: 8px;
      padding: 24px 18px;
      text-align: center;
      transition: transform 0.2s ease;
    }
    .spec-card:hover {
      transform: translateY(-3px);
      border-color: #0056b3;
    }
    .spec-icon {
      font-size: 32px;
      margin-bottom: 12px;
    }
    .spec-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: #111111;
      margin-bottom: 8px;
    }
    .spec-card p {
      font-size: 13px;
      color: #666666;
      line-height: 1.4;
    }

    /* ==========================================
       5. 产品矩阵 SHOWCASE (6个产品 3x2 排版 + 询盘引导框)
       ========================================== */
    .products-section {
      padding: 50px 0;
      background: #f8f9fa;
    }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .product-card {
      background: #ffffff;
      border-radius: 8px;
      border: 1px solid #e9ecef;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .product-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 16px rgba(0,0,0,0.08);
    }
    .product-img-holder {
      width: 100%;
      height: 220px;
      background: #e9ecef;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #888888;
      font-size: 13px;
      font-weight: 600;
      overflow: hidden;
    }
    .product-img-holder img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .product-card h4 {
      font-size: 15px;
      font-weight: 700;
      color: #222222;
      padding: 16px 12px;
    }

    /* 新增：产品矩阵底部的询盘引导框样式 */
    .more-products-notice {
      margin-top: 36px;
      background: #ffffff;
      border: 2px dashed #0056b3;
      border-radius: 8px;
      padding: 24px;
      text-align: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    }
    .more-products-notice p {
      font-size: 16px;
      font-weight: 600;
      color: #222222;
      margin-bottom: 14px;
    }
    .more-products-notice .cta-anchor-btn {
      display: inline-block;
      background: #0056b3;
      color: #ffffff;
      font-size: 15px;
      font-weight: 700;
      padding: 12px 28px;
      border-radius: 6px;
      text-decoration: none;
      transition: background 0.2s ease, transform 0.2s ease;
    }
    .more-products-notice .cta-anchor-btn:hover {
      background: #004085;
      transform: translateY(-2px);
    }

    /* ==========================================
       6. 强工厂背书与 OEM/ODM 能力区 (含工厂实拍图)
       ========================================== */
    .factory-section {
      padding: 50px 0;
      background: #ffffff;
      border-top: 1px solid #e9ecef;
    }
    .factory-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .factory-box {
      background: #ffffff;
      border: 1px solid #e3e8ee;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0,0,0,0.03);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .factory-box:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.08);
      border-color: #0056b3;
    }
    .factory-img-holder {
      width: 100%;
      height: 180px;
      background-color: #f0f4f8;
      overflow: hidden;
    }
    .factory-img-holder img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .factory-content {
      padding: 20px;
    }
    .factory-box h3 {
      font-size: 18px;
      color: #004085;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .factory-box ul {
      list-style: none;
      padding: 0;
    }
    .factory-box li {
      font-size: 14px;
      color: #495057;
      margin-bottom: 8px;
      position: relative;
      padding-left: 18px;
      line-height: 1.4;
    }
    .factory-box li::before {
      content: "✓";
      color: #0056b3;
      font-weight: bold;
      position: absolute;
      left: 0;
    }

    /* ==========================================
       7. 移动端 RESPONSIVE 适配
       ========================================== */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .hero-title { font-size: 28px; }
      .specs-grid { grid-template-columns: repeat(2, 1fr); }
      .product-grid { grid-template-columns: repeat(2, 1fr); }
      .factory-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 576px) {
      .top-header { padding: 10px 0; }
      .header-badges { display: none; }
      .hero-banner { padding: 30px 0; }
      .hero-title { font-size: 22px; line-height: 1.3; }
      .hero-subtitle { font-size: 14px; margin-bottom: 16px; }
      .hero-image-box { min-height: 220px; }
      
      .specs-section, .products-section, .factory-section { padding: 30px 0; }
      .section-title { font-size: 20px; }
      .section-desc { font-size: 13px; }

      .specs-grid { grid-template-columns: 1fr; gap: 12px; }
      .product-grid { grid-template-columns: 1fr; gap: 16px; }
      
      .spec-card { padding: 14px; text-align: left; display: flex; align-items: center; gap: 14px; }
      .spec-icon { font-size: 26px; margin-bottom: 0; }
      .spec-card h3 { margin-bottom: 2px; }

      .more-products-notice { padding: 16px 12px; margin-top: 24px; }
      .more-products-notice p { font-size: 14px; }
      .more-products-notice .cta-anchor-btn { width: 100%; font-size: 14px; padding: 10px 16px; }
    }