:root {
      --bg-theme: #e4e8ff;
      --bg-card: #ffffff;
      --bg-card-soft: #f4f6ff;
      --text-main: #1c213f;
      --text-muted: #565e8a;
      --accent-color: #5160eb;
      --accent-hover: #3d4cd4;
      --accent-light: #eef1ff;
      --border-color: #d8defe;
      --border-highlight: #c1ccff;
      --shadow-sm: 0 4px 16px rgba(45, 55, 120, 0.05);
      --shadow-md: 0 8px 30px rgba(45, 55, 120, 0.08);
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 8px;
    }

    * {
      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-theme);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      padding: 40px 20px;
    }

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

    /* Top Hero Header */
    .hero-banner {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 48px;
      margin-bottom: 36px;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }

    .hero-banner::before {
      content: "";
      position: absolute;
      top: -100px;
      right: -100px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(193, 204, 255, 0.4) 0%, rgba(228, 232, 255, 0) 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .tag-group {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 18px;
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      border-radius: 50px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.3px;
      background: var(--accent-light);
      color: var(--accent-color);
      border: 1px solid var(--border-highlight);
    }

    .badge-pill.highlight {
      background: var(--accent-color);
      color: #ffffff;
      border-color: var(--accent-color);
    }

    .hero-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .hero-subtitle {
      font-size: 17px;
      color: var(--text-muted);
      max-width: 980px;
      line-height: 1.65;
    }

    /* Section Title Standard */
    .section-header {
      text-align: center;
      margin: 50px 0 32px;
    }

    .section-title {
      font-size: 26px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
      position: relative;
      display: inline-block;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
    }

    /* 6-Grid Feature Section */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
      margin-bottom: 48px;
    }

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

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-highlight);
    }

    .feature-img-wrap {
      width: 100%;
      height: 380px;
      background: #f7f8ff;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .feature-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .feature-card:hover .feature-img-wrap img {
      transform: scale(1.03);
    }

    .feature-tag-overlay {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(28, 33, 63, 0.85);
      color: #ffffff;
      backdrop-filter: blur(8px);
      padding: 5px 12px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }

    .feature-body {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .feature-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .feature-title-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      background: var(--accent-light);
      color: var(--accent-color);
      border-radius: 50%;
      font-size: 13px;
      font-weight: 800;
    }

    .feature-text {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .feature-bullet-list {
      list-style: none;
      margin-top: auto;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }

    .feature-bullet-list li {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 6px;
    }

    .feature-bullet-list li::before {
      content: "✓";
      color: var(--accent-color);
      font-weight: 800;
    }

    /* Specifications Table */
    .specs-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 40px;
      margin-bottom: 48px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .specs-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 20px;
    }

    .specs-table th,
    .specs-table td {
      padding: 16px 20px;
      text-align: left;
      font-size: 15px;
      border-bottom: 1px solid var(--border-color);
    }

    .specs-table th {
      width: 28%;
      color: var(--text-main);
      font-weight: 700;
      background: var(--bg-card-soft);
      border-radius: 4px;
    }

    .specs-table td {
      color: var(--text-muted);
      font-weight: 500;
    }

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

    /* Workflow Matrix */
    .workflow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 48px;
    }

    .step-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      text-align: center;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-badge {
      display: inline-block;
      width: 36px;
      height: 36px;
      line-height: 36px;
      border-radius: 50%;
      background: var(--accent-color);
      color: #ffffff;
      font-weight: 800;
      font-size: 15px;
      margin-bottom: 14px;
    }

    .step-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* SEO & GEO FAQ Accordion */
    .faq-wrapper {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      margin-bottom: 40px;
    }

    .faq-item {
      border-bottom: 1px solid var(--border-color);
      padding: 22px 0;
    }

    .faq-item:first-child {
      padding-top: 8px;
    }

    .faq-item:last-child {
      border-bottom: none;
      padding-bottom: 8px;
    }

    .faq-question {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }

    .faq-q-icon {
      color: var(--accent-color);
      font-weight: 800;
      font-size: 18px;
      line-height: 1.2;
    }

    .faq-answer {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      padding-left: 26px;
    }

    /* Footer Meta */
    .footer-note {
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 36px;
    }

    /* Responsive adjustments */
    @media (max-width: 900px) {
      .features-grid {
        grid-template-columns: 1fr;
      }
      .workflow-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-title {
        font-size: 26px;
      }
    }