/* Reset & Core Variables */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    :root {
      --primary-color: #2b354f;
      --secondary-color: #4a5568;
      --accent-color: #6366f1;
      --accent-hover: #4f46e5;
      --text-dark: #1e293b;
      --text-muted: #64748b;
      --card-bg: rgba(255, 255, 255, 0.94);
      --card-border: rgba(226, 232, 240, 0.85);
      --border-radius-sm: 8px;
      --border-radius-md: 16px;
      --border-radius-lg: 24px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 8px 24px rgba(30, 41, 59, 0.08);
      --shadow-lg: 0 16px 36px rgba(30, 41, 59, 0.12);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-dark);
      background-image: url('https://sc02.alicdn.com/kf/H58b864c7d52d4b1cb828e761c1a678b3m.jpg');
      background-repeat: repeat;
      background-attachment: fixed;
      background-size: cover;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      padding: 40px 20px;
    }

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

    /* Hero Banner */
    .hero-section {
      background: var(--card-bg);
      backdrop-filter: blur(12px);
      border: 1px solid var(--card-border);
      border-radius: var(--border-radius-lg);
      padding: 50px 40px;
      text-align: center;
      margin-bottom: 35px;
      box-shadow: var(--shadow-md);
      position: relative;
      overflow: hidden;
    }

    .hero-tag {
      display: inline-block;
      padding: 6px 16px;
      background: #eef2ff;
      color: var(--accent-color);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      border-radius: 20px;
      margin-bottom: 16px;
    }

    .hero-title {
      font-size: 36px;
      font-weight: 800;
      color: var(--primary-color);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      line-height: 1.25;
    }

    .hero-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 30px auto;
      line-height: 1.7;
    }

    .hero-badges {
      display: flex;
      justify-content: center;
      gap: 24px;
      flex-wrap: wrap;
    }

    .badge-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--secondary-color);
      background: #f8fafc;
      padding: 8px 18px;
      border-radius: 30px;
      border: 1px solid #e2e8f0;
    }

    .badge-icon {
      color: var(--accent-color);
      font-size: 16px;
    }

    /* Section Headings */
    .section-header {
      text-align: center;
      margin-bottom: 35px;
    }

    .section-title {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 10px;
    }

    .section-description {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 650px;
      margin: 0 auto;
    }

    /* Deep Dive Feature Rows */
    .feature-grid {
      display: flex;
      flex-direction: column;
      gap: 32px;
      margin-bottom: 40px;
    }

    .feature-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      border: 1px solid var(--card-border);
      border-radius: var(--border-radius-lg);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .feature-card.reverse {
      grid-template-columns: 1.1fr 1fr;
    }

    .feature-card.reverse .feature-media {
      order: 2;
    }

    .feature-card.reverse .feature-content {
      order: 1;
    }

    .feature-media {
      position: relative;
      overflow: hidden;
      background: #f1f5f9;
      min-height: 380px;
    }

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

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

    .feature-content {
      padding: 45px 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .feature-num {
      font-size: 13px;
      font-weight: 800;
      color: var(--accent-color);
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .feature-heading {
      font-size: 24px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .feature-text {
      font-size: 15px;
      color: var(--secondary-color);
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .feature-bullets {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .feature-bullets li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: var(--text-dark);
      font-weight: 500;
    }

    .bullet-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent-color);
      margin-top: 8px;
      flex-shrink: 0;
    }

    /* Split Two-Column Feature Grid */
    .dual-feature-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      margin-bottom: 40px;
    }

    .dual-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      border: 1px solid var(--card-border);
      border-radius: var(--border-radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .dual-card .feature-media {
      height: 320px;
      min-height: auto;
    }

    .dual-card .feature-content {
      padding: 32px 30px;
      flex-grow: 1;
    }

    /* Technical Specification Table */
    .spec-section {
      background: var(--card-bg);
      backdrop-filter: blur(12px);
      border: 1px solid var(--card-border);
      border-radius: var(--border-radius-lg);
      padding: 45px 40px;
      margin-bottom: 40px;
      box-shadow: var(--shadow-md);
    }

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

    .spec-table th, .spec-table td {
      padding: 16px 20px;
      text-align: left;
      font-size: 14px;
      border-bottom: 1px solid #e2e8f0;
    }

    .spec-table th {
      background: #f8fafc;
      color: var(--primary-color);
      font-weight: 700;
      width: 32%;
    }

    .spec-table td {
      color: var(--secondary-color);
      font-weight: 500;
    }

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

    /* FAQ Accordion Section */
    .faq-section {
      background: var(--card-bg);
      backdrop-filter: blur(12px);
      border: 1px solid var(--card-border);
      border-radius: var(--border-radius-lg);
      padding: 45px 40px;
      box-shadow: var(--shadow-md);
      margin-bottom: 40px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 25px;
    }

    .faq-item {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--border-radius-md);
      padding: 24px 22px;
    }

    .faq-question {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .faq-question::before {
      content: "Q";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      background: #e0e7ff;
      color: var(--accent-color);
      border-radius: 6px;
      font-size: 12px;
      font-weight: 800;
      flex-shrink: 0;
    }

    .faq-answer {
      font-size: 14px;
      color: var(--secondary-color);
      line-height: 1.65;
    }

    /* Care & Maintenance Banner */
    .care-banner {
      background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
      color: #ffffff;
      border-radius: var(--border-radius-lg);
      padding: 35px 40px;
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 30px;
      box-shadow: var(--shadow-md);
    }

    .care-item {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .care-title {
      font-size: 16px;
      font-weight: 700;
      color: #e2e8f0;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .care-text {
      font-size: 13px;
      color: #94a3b8;
      line-height: 1.6;
    }

    /* Responsive adjustments for standard desktop / laptop */
    @media (max-width: 992px) {
      .feature-card,
      .feature-card.reverse {
        grid-template-columns: 1fr;
      }
      .feature-card.reverse .feature-media {
        order: 1;
      }
      .feature-card.reverse .feature-content {
        order: 2;
      }
      .dual-feature-grid,
      .faq-grid,
      .care-banner {
        grid-template-columns: 1fr;
      }
    }