:root {
      --bg-color: #f1f4ff;
      --card-bg: #ffffff;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --accent: #3b82f6;
      --border-light: rgba(148, 163, 184, 0.25);
      --radius-lg: 18px;
      --radius-md: 12px;
      --shadow-soft: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-hover: 0 10px 25px -4px rgba(15, 23, 42, 0.1);
    }

    * {
      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: 1200px;
      margin: 0 auto;
    }

    /* Header Section */
    .hero-header {
      text-align: center;
      padding: 44px 20px 36px 20px;
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      margin-bottom: 36px;
      border: 1px solid var(--border-light);
    }

    .hero-tag {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: #2563eb;
      background: #dbeafe;
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 14px;
    }

    .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: 760px;
      margin: 0 auto;
      line-height: 1.6;
    }

    /* Section Headings */
    .section-header {
      margin: 40px 0 20px 0;
      text-align: left;
    }

    .section-title {
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .section-subtitle {
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* Gallery Grid */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 36px;
    }

    .gallery-card {
      background: var(--card-bg);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-light);
      display: flex;
      flex-direction: column;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .gallery-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }

    .image-box {
      width: 100%;
      aspect-ratio: 1 / 1;
      background: #f8fafc;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .image-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .card-meta {
      padding: 14px 16px;
      background: #ffffff;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .card-headline {
      font-size: 14px;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 4px;
    }

    .card-caption {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Specifications Card */
    .specs-card {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      margin-top: 36px;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-light);
    }

    .specs-header {
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-light);
    }

    .specs-header h3 {
      font-size: 20px;
      font-weight: 800;
      color: #0f172a;
    }

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

    .specs-table th, .specs-table td {
      padding: 14px 16px;
      font-size: 13px;
      border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    }

    .specs-table th {
      width: 28%;
      color: #334155;
      font-weight: 700;
      background: #f8fafc;
    }

    .specs-table td {
      color: #475569;
    }

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

    /* FAQ Section */
    .faq-container {
      margin-top: 36px;
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-light);
    }

    .faq-title {
      font-size: 20px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-light);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .faq-item {
      padding: 16px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
    }

    .faq-question {
      font-size: 14px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .faq-answer {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Footer Note */
    .page-footer {
      text-align: center;
      margin-top: 48px;
      padding-top: 20px;
      border-top: 1px solid var(--border-light);
      font-size: 12px;
      color: #94a3b8;
    }

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

    @media (max-width: 768px) {
      .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 24px;
      }
      .specs-table th {
        width: 35%;
      }
    }

    @media (max-width: 480px) {
      .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
      }
      .card-meta {
        padding: 10px;
      }
      .card-headline {
        font-size: 12px;
      }
      .card-caption {
        font-size: 11px;
      }
    }