:root {
      --bg-page: #f1f4ff;
      --card-bg: #ffffff;
      --text-primary: #181c26;
      --text-secondary: #576074;
      --text-tertiary: #8b95a8;
      --border-soft: #e2e8f5;
      --accent-badge: #2c3e50;
      --shadow-subtle: 0 4px 16px rgba(32, 42, 68, 0.04);
      --shadow-hover: 0 10px 28px rgba(32, 42, 68, 0.08);
      --radius-card: 16px;
      --radius-img: 12px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    body {
      background-color: var(--bg-page);
      color: var(--text-primary);
      font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      padding: 32px 16px 80px;
    }

    .container {
      max-width: 1240px;
      margin: 0 auto;
    }

    /* Minimalist Showcase Header - No Brand, No Company, No Logo */
    .hero-banner {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 44px 32px;
      margin-bottom: 36px;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-subtle);
      text-align: center;
    }

    .hero-tag {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: var(--accent-badge);
      background: rgba(44, 62, 80, 0.06);
      padding: 6px 14px;
      border-radius: 20px;
      margin-bottom: 16px;
    }

    .hero-title {
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.6px;
      color: var(--text-primary);
      margin-bottom: 14px;
    }

    .hero-desc {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 720px;
      margin: 0 auto;
      line-height: 1.65;
    }

    /* Section Structure */
    .section-wrap {
      margin-bottom: 48px;
    }

    .section-head {
      margin-bottom: 24px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .section-label {
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--text-tertiary);
    }

    .section-heading {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: -0.3px;
    }

    .section-subtext {
      font-size: 14px;
      color: var(--text-secondary);
    }

    /* Grid Layouts - Mobile & Desktop Harmonized */
    .grid-gallery {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .grid-feature {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-subtle);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      display: flex;
      flex-direction: column;
    }

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

    .img-box {
      position: relative;
      width: 100%;
      padding-top: 100%; /* 1:1 Aspect Ratio */
      background: #f1f4ff;
      overflow: hidden;
    }

    .img-box img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .card:hover .img-box img {
      transform: scale(1.02);
    }

    .card-info {
      padding: 16px 18px;
      background: var(--card-bg);
      border-top: 1px solid var(--border-soft);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .card-num {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.8px;
      color: var(--text-tertiary);
      text-transform: uppercase;
      margin-bottom: 4px;
    }

    .card-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 4px;
    }

    .card-caption {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.45;
    }

    /* Product Specs Card */
    .specs-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 36px 32px;
      border: 1px solid var(--border-soft);
      box-shadow: var(--shadow-subtle);
      margin-bottom: 48px;
    }

    .specs-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 20px;
      letter-spacing: -0.2px;
    }

    .specs-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 16px;
    }

    .spec-item {
      background: var(--bg-page);
      border-radius: 10px;
      padding: 14px 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .spec-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-secondary);
    }

    .spec-value {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-primary);
    }

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

    .faq-head {
      margin-bottom: 24px;
    }

    .faq-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 6px;
    }

    .faq-subtitle {
      font-size: 14px;
      color: var(--text-secondary);
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-box {
      background: var(--bg-page);
      border-radius: 12px;
      padding: 20px;
      border: 1px solid var(--border-soft);
    }

    .faq-q {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .faq-q::before {
      content: "Q";
      display: inline-block;
      width: 24px;
      height: 24px;
      background: var(--text-primary);
      color: #fff;
      font-size: 12px;
      font-weight: 800;
      text-align: center;
      line-height: 24px;
      border-radius: 6px;
      flex-shrink: 0;
    }

    .faq-a {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      padding-left: 34px;
    }

    /* Responsive Breakpoints */
    @media (max-width: 1024px) {
      .grid-gallery,
      .grid-feature {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
      }
      .hero-title {
        font-size: 28px;
      }
    }

    @media (max-width: 768px) {
      body {
        padding: 20px 12px 60px;
      }
      .hero-banner {
        padding: 28px 20px;
        margin-bottom: 28px;
      }
      .hero-title {
        font-size: 24px;
      }
      .hero-desc {
        font-size: 14px;
      }
      .grid-gallery,
      .grid-feature {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .card-info {
        padding: 12px 14px;
      }
      .card-title {
        font-size: 13px;
      }
      .card-caption {
        font-size: 12px;
      }
      .specs-card,
      .faq-card {
        padding: 24px 18px;
      }
      .specs-grid {
        grid-template-columns: 1fr;
        gap: 10px;
      }
      .faq-q {
        font-size: 14px;
      }
      .faq-a {
        font-size: 13px;
        padding-left: 0;
        margin-top: 6px;
      }
    }

    @media (max-width: 480px) {
      .grid-gallery,
      .grid-feature {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
      }
      .hero-banner {
        padding: 24px 16px;
      }
      .hero-title {
        font-size: 20px;
      }
    }