:root {
      --bg-color: #f1f4ff;
      --card-bg: #ffffff;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --accent: #1e293b;
      --border-color: #e2e8f0;
      --radius: 14px;
      --shadow: 0 6px 20px rgba(15, 23, 42, 0.05);
    }

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

    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;
      padding: 32px 16px 64px;
    }

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

    /* Header / Hero */
    .hero-header {
      text-align: center;
      padding: 40px 16px 36px;
      margin-bottom: 32px;
      background: var(--card-bg);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .badge {
      display: inline-block;
      padding: 4px 14px;
      background: #e0e7ff;
      color: #3730a3;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      border-radius: 20px;
      margin-bottom: 14px;
    }

    .hero-header h1 {
      font-size: clamp(24px, 4vw, 38px);
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      line-height: 1.25;
      margin-bottom: 12px;
    }

    .hero-header p {
      font-size: clamp(14px, 1.8vw, 17px);
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
    }

    /* Section Headings */
    .section-title {
      font-size: clamp(20px, 2.5vw, 26px);
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .section-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .section-wrapper {
      margin-bottom: 48px;
    }

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

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    /* Cards */
    .media-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      display: flex;
      flex-direction: column;
    }

    .media-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
    }

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

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

    .card-body {
      padding: 16px 18px;
      flex-grow: 1;
    }

    .card-tag {
      font-size: 11px;
      font-weight: 700;
      color: #6366f1;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 4px;
      display: block;
    }

    .card-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      line-height: 1.35;
    }

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

    /* Spec Table Card */
    .spec-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow);
      margin-bottom: 48px;
    }

    .spec-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 16px;
    }

    .spec-table th, 
    .spec-table td {
      padding: 14px 16px;
      text-align: left;
      font-size: 14px;
      border-bottom: 1px solid var(--border-color);
    }

    .spec-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
      width: 28%;
    }

    .spec-table td {
      color: #334155;
    }

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

    /* FAQ Section */
    .faq-wrapper {
      background: var(--card-bg);
      border-radius: var(--radius);
      padding: 32px 28px;
      box-shadow: var(--shadow);
      margin-bottom: 40px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-top: 20px;
    }

    .faq-item {
      padding: 18px;
      background: #f8fafc;
      border-radius: 10px;
      border: 1px solid var(--border-color);
    }

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

    .faq-question::before {
      content: "Q";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      background: #1e293b;
      color: #ffffff;
      font-size: 12px;
      font-weight: 800;
      border-radius: 6px;
      flex-shrink: 0;
    }

    .faq-answer {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
      padding-left: 30px;
    }

    /* Responsive Breakpoints */
    @media (max-width: 1024px) {
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 640px) {
      body {
        padding: 16px 12px 48px;
      }
      .grid-4, .grid-3, .grid-2 {
        grid-template-columns: 1fr;
      }
      .spec-card, .faq-wrapper {
        padding: 20px 16px;
      }
      .spec-table th, .spec-table td {
        padding: 10px 12px;
        font-size: 13px;
      }
    }