/* CSS Scope Reset & Variables */
    .cnc-embedded-container {
      --cnc-primary: #002E67;          /* 主题色：工业深蓝 */
      --cnc-primary-hover: #001C42;    /* 强调深色 */
      --cnc-accent: #00A8FF;         /* 亮点天蓝 */
      --cnc-bg-light: #F8FAFC;       /* 整体背景 */
      --cnc-surface: #FFFFFF;        /* 卡片白底 */
      --cnc-text-main: #0F172A;      /* 正文主文本 */
      --cnc-text-muted: #475569;     /* 辅助次文本 */
      --cnc-border: #E2E8F0;         /* 细线边框 */
      --cnc-radius: 12px;
      
      font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
      color: var(--cnc-text-main);
      background-color: var(--cnc-bg-light);
      padding: 32px 16px;
      line-height: 1.6;
      max-width: 1100px;
      margin: 0 auto;
      box-sizing: border-box;
    }

    .cnc-embedded-container * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    /* 1. 顶部 Hero 看板 */
    .cnc-hero-banner {
      background: linear-gradient(135deg, var(--cnc-primary-hover) 0%, var(--cnc-primary) 100%);
      color: #FFFFFF;
      border-radius: var(--cnc-radius);
      padding: 40px 32px;
      margin-bottom: 24px;
      box-shadow: 0 12px 28px rgba(0, 46, 103, 0.15);
      position: relative;
      overflow: hidden;
    }

    .cnc-hero-banner::after {
      content: 'CASTING';
      position: absolute;
      right: -20px;
      bottom: -35px;
      font-size: 130px;
      font-weight: 900;
      color: rgba(255, 255, 255, 0.04);
      pointer-events: none;
      user-select: none;
    }

    .cnc-hero-title {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #FFFFFF;
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .cnc-hero-title::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 30px;
      background: var(--cnc-accent);
      border-radius: 3px;
    }

    .cnc-hero-text {
      font-size: 1.02rem;
      color: #E2E8F0;
      max-width: 950px;
      line-height: 1.65;
    }

    .cnc-stat-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .cnc-pill {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.22);
      padding: 6px 16px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
      color: #F8FAFC;
      backdrop-filter: blur(4px);
    }

    .cnc-pill strong {
      color: var(--cnc-accent);
      font-weight: 700;
    }

    /* 统一小节标题样式 */
    .cnc-sec-head {
      margin: 40px 0 20px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 2px solid var(--cnc-border);
      padding-bottom: 10px;
    }

    .cnc-sec-head h2 {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--cnc-primary);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .cnc-sec-head h2 span {
      color: var(--cnc-accent);
    }

    /* 2. Raw Materials Grid (4列卡片) */
    .cnc-mat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .cnc-mat-card {
      background: var(--cnc-surface);
      border: 1px solid var(--cnc-border);
      border-top: 4px solid var(--cnc-primary);
      border-radius: 8px;
      padding: 16px;
      transition: all 0.2s ease;
    }

    .cnc-mat-card:hover {
      border-top-color: var(--cnc-accent);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(0,0,0,0.06);
    }

    .cnc-mat-card h3 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--cnc-primary);
      margin-bottom: 6px;
    }

    .cnc-mat-card p {
      font-size: 0.85rem;
      color: var(--cnc-text-muted);
      line-height: 1.45;
    }

    /* 警示/特别说明 Box */
    .cnc-warning-box {
      background: #FFFBEB;
      border: 1px solid #FCD34D;
      border-radius: 8px;
      padding: 12px 16px;
      margin-top: 14px;
      font-size: 0.85rem;
      color: #92400E;
    }

    /* 3. Core Equipment & Tooling System (3列网格) */
    .cnc-equip-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .cnc-equip-card {
      background: var(--cnc-surface);
      border: 1px solid var(--cnc-border);
      border-radius: var(--cnc-radius);
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .cnc-equip-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--cnc-primary);
      border-bottom: 1px solid var(--cnc-border);
      padding-bottom: 8px;
    }

    .cnc-equip-card ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .cnc-equip-card li {
      font-size: 0.85rem;
      color: var(--cnc-text-muted);
      line-height: 1.5;
      position: relative;
      padding-left: 14px;
    }

    .cnc-equip-card li::before {
      content: '•';
      color: var(--cnc-accent);
      font-weight: bold;
      position: absolute;
      left: 0;
    }

    /* 4. Workflow Timeline Grid (7步微型卡片) */
    .cnc-flow-grid {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      gap: 8px;
    }

    .cnc-flow-card {
      background: var(--cnc-surface);
      border: 1px solid var(--cnc-border);
      border-radius: 8px;
      padding: 12px 10px;
      text-align: center;
      transition: all 0.2s ease;
    }

    .cnc-flow-card:hover {
      border-color: var(--cnc-primary);
      box-shadow: 0 4px 12px rgba(0, 46, 103, 0.1);
    }

    .cnc-flow-step {
      font-size: 0.7rem;
      font-weight: 800;
      color: var(--cnc-accent);
      background: rgba(0, 168, 255, 0.1);
      padding: 2px 6px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 6px;
    }

    .cnc-flow-card h4 {
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--cnc-primary);
      margin-bottom: 4px;
    }

    .cnc-flow-card p {
      font-size: 0.72rem;
      color: var(--cnc-text-muted);
      line-height: 1.35;
    }

    /* 5. Unique Technical Advantages (3列网格) */
    .cnc-adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .cnc-adv-box {
      background: var(--cnc-surface);
      border: 1px solid var(--cnc-border);
      border-radius: var(--cnc-radius);
      padding: 22px 20px;
      transition: all 0.25s ease;
    }

    .cnc-adv-box:hover {
      border-color: var(--cnc-primary);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    }

    .cnc-adv-box h3 {
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--cnc-primary);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .cnc-adv-box h3::before {
      content: '✓';
      color: var(--cnc-accent);
      font-weight: 900;
    }

    .cnc-adv-box p {
      font-size: 0.88rem;
      color: var(--cnc-text-muted);
      line-height: 1.55;
    }

    /* 6. Process Limitations (2列网格) */
    .cnc-limit-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .cnc-limit-card {
      background: #FAF5FF;
      border: 1px solid #E9D5FF;
      border-radius: 8px;
      padding: 14px 18px;
      font-size: 0.88rem;
      color: #581C87;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .cnc-limit-card::before {
      content: '!';
      background: #9333EA;
      color: #FFFFFF;
      font-weight: 800;
      border-radius: 50%;
      width: 18px;
      height: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* 7. Application Fields 行列组合 */
    .cnc-app-flex {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .cnc-app-row {
      background: var(--cnc-surface);
      border: 1px solid var(--cnc-border);
      border-radius: 8px;
      padding: 16px 20px;
      display: flex;
      align-items: center;
      gap: 20px;
      transition: all 0.2s ease;
    }

    .cnc-app-row:hover {
      border-color: var(--cnc-primary);
      background: #F1F5F9;
    }

    .cnc-app-badge {
      font-size: 0.88rem;
      font-weight: 700;
      color: #FFFFFF;
      background: var(--cnc-primary);
      padding: 8px 16px;
      border-radius: 6px;
      min-width: 240px;
      text-align: center;
      flex-shrink: 0;
    }

    .cnc-app-desc {
      font-size: 0.9rem;
      color: var(--cnc-text-main);
      font-weight: 500;
    }

    /* 高对比度 Tag 保证清晰展现[cite: 2] */
    .cnc-embedded-container .cnc-tag {
      font-size: 0.75rem !important;
      background-color: #E0F2FE !important; /* 清晰冰蓝底色[cite: 2] */
      color: #0369A1 !important;            /* 高对比度深蓝字[cite: 2] */
      padding: 4px 10px !important;
      border-radius: 4px !important;
      font-weight: 700 !important;
      border: 1px solid #BAE6FD !important;
      display: inline-block !important;
      white-space: nowrap !important;
    }

    /* 移动端/平板 响应式断点 */
    @media (max-width: 1024px) {
      .cnc-flow-grid { grid-template-columns: repeat(4, 1fr); }
      .cnc-mat-grid { grid-template-columns: repeat(2, 1fr); }
      .cnc-equip-grid { grid-template-columns: repeat(1, 1fr); }
      .cnc-adv-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .cnc-flow-grid { grid-template-columns: repeat(2, 1fr); }
      .cnc-adv-grid { grid-template-columns: 1fr; }
      .cnc-limit-grid { grid-template-columns: 1fr; }

      .cnc-app-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }

      .cnc-app-badge {
        min-width: auto;
        width: 100%;
        text-align: left;
      }

      .cnc-hero-banner { padding: 28px 20px; }
      .cnc-hero-title { font-size: 1.5rem; }
    }

    @media (max-width: 480px) {
      .cnc-mat-grid { grid-template-columns: 1fr; }
      .cnc-flow-grid { grid-template-columns: 1fr; }
    }