:root {
      --bg-color: #f1f4ff;
      --card-bg: #ffffff;
      --card-hover-bg: #ffffff;
      --text-main: #1c2237;
      --text-muted: #5e6882;
      --text-light: #8e99b3;
      --accent-pink: #ff5e80;
      --accent-purple: #705df2;
      --accent-blue: #3a86ff;
      --border-subtle: rgba(28, 34, 55, 0.08);
      --border-card: rgba(112, 93, 242, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-card: 0 10px 28px rgba(28, 34, 55, 0.05);
      --shadow-hover: 0 18px 38px rgba(112, 93, 242, 0.12);
      --max-width: 1140px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      background-color: var(--bg-color);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      padding: 0;
      margin: 0;
    }

    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    .hero-section {
      padding: 60px 0 36px;
      text-align: center;
    }

    .hero-badge {
      display: inline-block;
      text-transform: uppercase;
      font-size: 12px;
      letter-spacing: 2.5px;
      font-weight: 700;
      color: var(--accent-purple);
      background-color: rgba(112, 93, 242, 0.09);
      padding: 7px 20px;
      border-radius: 40px;
      margin-bottom: 18px;
      border: 1px solid rgba(112, 93, 242, 0.18);
    }

    .hero-title {
      font-size: 36px;
      font-weight: 800;
      letter-spacing: -0.8px;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 16px;
    }

    .hero-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto 32px;
      line-height: 1.7;
    }

    .specs-bar {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      background: var(--card-bg);
      border-radius: var(--radius-md);
      padding: 22px 28px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-subtle);
      margin-bottom: 50px;
    }

    .spec-item {
      text-align: center;
      border-right: 1px solid var(--border-subtle);
      padding: 0 10px;
    }

    .spec-item:last-child {
      border-right: none;
    }

    .spec-label {
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--text-light);
      margin-bottom: 6px;
    }

    .spec-value {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .section-block {
      margin-bottom: 60px;
    }

    .section-header {
      text-align: center;
      margin-bottom: 36px;
    }

    .section-badge {
      display: inline-block;
      text-transform: uppercase;
      font-size: 11px;
      letter-spacing: 2px;
      font-weight: 700;
      color: var(--accent-pink);
      background-color: rgba(255, 94, 128, 0.08);
      padding: 5px 14px;
      border-radius: 30px;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 26px;
      font-weight: 700;
      letter-spacing: -0.4px;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .section-desc {
      font-size: 14px;
      color: var(--text-muted);
      max-width: 640px;
      margin: 0 auto;
    }

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

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .product-card {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-subtle);
      display: flex;
      flex-direction: column;
      transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
    }

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

    .card-img-box {
      width: 100%;
      aspect-ratio: 1 / 1;
      background-color: var(--bg-color);
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .card-info {
      padding: 20px 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .card-tag {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--accent-purple);
      margin-bottom: 6px;
    }

    .card-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.35;
    }

    .card-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .features-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin: 40px 0 60px;
    }

    .feature-item {
      background: var(--card-bg);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-card);
    }

    .feature-num {
      font-size: 24px;
      font-weight: 800;
      color: var(--accent-purple);
      margin-bottom: 8px;
      opacity: 0.85;
    }

    .feature-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

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

    .faq-section {
      margin-top: 60px;
    }

    .faq-wrapper {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--card-bg);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .faq-item[open] {
      border-color: var(--border-card);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 15.5px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
      list-style: none;
    }

    .faq-question::-webkit-details-marker {
      display: none;
    }

    .faq-question::after {
      content: "+";
      font-size: 20px;
      font-weight: 400;
      color: var(--accent-purple);
      margin-left: 12px;
    }

    .faq-item[open] .faq-question::after {
      content: "\2212";
    }

    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px solid rgba(28, 34, 55, 0.05);
      padding-top: 14px;
    }

    .showcase-footer {
      padding: 50px 0 60px;
      text-align: center;
      border-top: 1px solid var(--border-subtle);
      margin-top: 60px;
    }

    .footer-note {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.8;
    }

    @media (max-width: 992px) {
      .specs-bar {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 18px;
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .features-strip {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 26px;
      }
      .hero-desc {
        font-size: 14px;
      }
      .specs-bar {
        grid-template-columns: 1fr;
      }
      .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
      }
      .features-strip {
        grid-template-columns: 1fr;
      }
    }