:root {
      --bg-color: #f1f4ff;
      --card-bg: #ffffff;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --accent: #334155;
      --border-light: rgba(148, 163, 184, 0.2);
      --radius-lg: 16px;
      --radius-md: 10px;
      --shadow-soft: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 12px 28px -4px rgba(15, 23, 42, 0.08);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-color);
      color: var(--text-main);
      line-height: 1.6;
      padding: 32px 16px 64px 16px;
      -webkit-font-smoothing: antialiased;
    }

    .wrapper {
      max-width: 1180px;
      margin: 0 auto;
    }

    /* Header Section */
    .hero-header {
      text-align: center;
      padding: 48px 24px 36px 24px;
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      margin-bottom: 40px;
      border: 1px solid var(--border-light);
    }

    .hero-tag {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      color: #475569;
      background: #e2e8f0;
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 16px;
    }

    .hero-title {
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.8px;
      color: #0f172a;
      margin-bottom: 12px;
      line-height: 1.25;
    }

    .hero-desc {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
      line-height: 1.6;
    }

    /* Section Headings */
    .section-header {
      margin: 48px 0 24px 0;
      text-align: left;
    }

    .section-title {
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .section-subtitle {
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 4px;
      text-transform: uppercase;
      letter-spacing: 1px;
      font-weight: 600;
    }

    /* Gallery Grids */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 24px;
    }

    .gallery-grid.grid-3 {
      grid-template-columns: repeat(3, 1fr);
    }

    .gallery-card {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-light);
      display: flex;
      flex-direction: column;
      transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
    }

    .gallery-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .image-box {
      width: 100%;
      aspect-ratio: 1 / 1;
      background: #f1f4ff;
      overflow: hidden;
      position: relative;
    }

    .image-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }

    .gallery-card:hover .image-box img {
      transform: scale(1.04);
    }

    .card-meta {
      padding: 16px 18px;
      background: #ffffff;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .card-headline {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 4px;
      letter-spacing: -0.2px;
    }

    .card-caption {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.45;
    }

    /* Specifications Matrix */
    .specs-card {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-light);
      margin-top: 48px;
      overflow: hidden;
    }

    .specs-header {
      padding: 24px 28px;
      border-bottom: 1px solid var(--border-light);
      background: #ffffff;
    }

    .specs-header h3 {
      font-size: 18px;
      font-weight: 800;
      color: #0f172a;
    }

    .specs-table {
      width: 100%;
      border-collapse: collapse;
    }

    .specs-table tr {
      border-bottom: 1px solid var(--border-light);
    }

    .specs-table tr:last-child {
      border-bottom: none;
    }

    .specs-table th {
      width: 28%;
      padding: 16px 28px;
      background: #f8fafc;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      color: #475569;
      text-align: left;
    }

    .specs-table td {
      padding: 16px 28px;
      font-size: 14px;
      color: #1e293b;
    }

    /* FAQ Section */
    .faq-container {
      margin-top: 48px;
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-light);
      padding: 32px 28px;
    }

    .faq-title {
      font-size: 20px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 24px;
      letter-spacing: -0.4px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .faq-item {
      background: #f8fafc;
      border-radius: var(--radius-md);
      padding: 20px;
      border: 1px solid rgba(226, 232, 240, 0.8);
    }

    .faq-question {
      font-size: 14px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .faq-question::before {
      content: "Q";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      background: #0f172a;
      color: #ffffff;
      border-radius: 6px;
      font-size: 11px;
      font-weight: 800;
    }

    .faq-answer {
      font-size: 13px;
      color: #475569;
      line-height: 1.6;
      padding-left: 30px;
    }

    /* Page Footer Notice */
    .page-footer {
      text-align: center;
      margin-top: 56px;
      padding: 24px;
      font-size: 12px;
      color: #94a3b8;
      letter-spacing: 0.5px;
    }

    /* Responsive Adaptation */
    @media (max-width: 1024px) {
      .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .gallery-grid.grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 640px) {
      body {
        padding: 16px 12px 48px 12px;
      }
      .hero-header {
        padding: 32px 16px 24px 16px;
        margin-bottom: 28px;
      }
      .hero-title {
        font-size: 24px;
      }
      .gallery-grid, .gallery-grid.grid-3 {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .card-meta {
        padding: 12px 14px;
      }
      .card-headline {
        font-size: 13px;
      }
      .card-caption {
        font-size: 11px;
      }
      .specs-table th, .specs-table td {
        padding: 12px 16px;
        font-size: 12px;
      }
      .faq-container {
        padding: 24px 16px;
      }
    }