/* Reset & Global Variables */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    :root {
      --bg-color: #f1f4ff;
      --card-bg: #ffffff;
      --text-main: #1e2432;
      --text-muted: #5e687e;
      --accent-color: #3b5072;
      --border-color: #e2e7f5;
      --radius-lg: 16px;
      --radius-md: 12px;
      --shadow-soft: 0 10px 30px rgba(59, 80, 114, 0.06);
    }

    body {
      background-color: var(--bg-color);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      padding: 24px 16px 60px;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
    }

    /* Header Banner */
    .header-section {
      text-align: center;
      padding: 40px 20px 30px;
      margin-bottom: 30px;
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
    }
    .header-badge {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--accent-color);
      background: rgba(59, 80, 114, 0.08);
      padding: 6px 16px;
      border-radius: 30px;
      margin-bottom: 16px;
    }
    .header-title {
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.25;
    }
    .header-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
    }

    /* Section Styling */
    .section-block {
      margin-bottom: 36px;
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 32px 28px;
      box-shadow: var(--shadow-soft);
    }
    .section-header {
      margin-bottom: 24px;
      text-align: left;
    }
    .section-tag {
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--accent-color);
      margin-bottom: 6px;
      display: block;
    }
    .section-title {
      font-size: 24px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .section-desc {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* Grids & Cards */
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .image-card {
      background: var(--bg-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
    }
    .image-wrapper {
      position: relative;
      width: 100%;
      padding-top: 100%; /* 1:1 Aspect Ratio */
      background-color: var(--bg-color);
      overflow: hidden;
    }
    .image-wrapper img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }
    .image-card:hover .image-wrapper img {
      transform: scale(1.02);
    }
    .card-info {
      padding: 16px;
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      flex: 1;
    }
    .card-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* Feature Specs Table */
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 16px;
    }
    .spec-item {
      background: var(--bg-color);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px;
    }
    .spec-label {
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .spec-value {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
    }

    /* FAQ Section */
    .faq-container {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 10px;
    }
    .faq-item {
      background: var(--bg-color);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
    }
    .faq-question {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-question::before {
      content: "Q";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 6px;
      background: var(--accent-color);
      color: #ffffff;
      font-size: 12px;
      font-weight: 800;
      flex-shrink: 0;
    }
    .faq-answer {
      font-size: 14px;
      color: var(--text-muted);
      padding-left: 34px;
      line-height: 1.6;
    }

    /* Responsive Breakpoints */
    @media (max-width: 992px) {
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .specs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 600px) {
      body {
        padding: 12px 8px 40px;
      }
      .header-title {
        font-size: 24px;
      }
      .section-block {
        padding: 20px 14px;
      }
      .grid-2, .grid-3, .grid-4, .specs-grid {
        grid-template-columns: 1fr;
      }
      .faq-item {
        padding: 16px;
      }
      .faq-answer {
        padding-left: 0;
        margin-top: 6px;
      }
    }