:root {
      --page-42-vn-primary-color: #e44d26; /* Màu chủ đạo: Đỏ cam */
      --page-42-vn-secondary-color: #333; /* Màu phụ: Xám đậm */
      --page-42-vn-text-color: #f0f0f0; /* Màu chữ chính: Trắng ngà */
      --page-42-vn-background-color: #1a1a1a; /* Màu nền chính: Đen xám */
      --page-42-vn-card-background: #2a2a2a; /* Màu nền thẻ: Xám */
      --page-42-vn-border-color: #444; /* Màu viền: Xám trung bình */
      --page-42-vn-accent-color: #fdd835; /* Màu nhấn: Vàng */
    }

    .page-42-vn {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--page-42-vn-text-color);
      background-color: var(--page-42-vn-background-color);
      line-height: 1.6;
      padding-top: 10px; /* Khoảng cách nhỏ ở trên cùng, phần bù cho header được xử lý ở body */
    }

    .page-42-vn__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
      text-align: center;
      box-sizing: border-box;
    }

    .page-42-vn__section--dark {
      background-color: var(--page-42-vn-secondary-color);
    }

    .page-42-vn__title {
      color: var(--page-42-vn-primary-color);
      font-size: 2.8em;
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-42-vn__subtitle {
      color: var(--page-42-vn-accent-color);
      font-size: 1.8em;
      margin-bottom: 15px;
    }

    .page-42-vn__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #ccc;
    }

    .page-42-vn__button {
      display: inline-block;
      background-color: var(--page-42-vn-primary-color);
      color: #fff;
      padding: 12px 25px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
      margin: 10px;
    }

    .page-42-vn__button:hover {
      background-color: #ff6a3c;
    }

    /* Phần Hero */
    .page-42-vn__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:1920x1080:gaming,abstract,42vn]') no-repeat center center/cover;
      padding: 80px 20px 120px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 60vh;
      position: relative;
      box-sizing: border-box;
    }

    .page-42-vn__hero-title {
      font-size: 3.5em;
      color: #fff;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      text-align: center;
    }

    .page-42-vn__hero-subtitle {
      font-size: 1.5em;
      color: var(--page-42-vn-accent-color);
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
      text-align: center;
    }

    .page-42-vn__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      background-color: rgba(0, 0, 0, 0.7);
      padding: 10px 20px;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    }

    .page-42-vn__floating-button {
      background-color: var(--page-42-vn-primary-color);
      color: #fff;
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
      white-space: nowrap;
    }

    .page-42-vn__floating-button:hover {
      background-color: #ff6a3c;
      transform: translateY(-2px);
    }

    /* Hiển thị Sản phẩm */
    .page-42-vn__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-42-vn__product-card {
      background-color: var(--page-42-vn-card-background);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
      box-sizing: border-box;
    }

    .page-42-vn__product-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    }

    .page-42-vn__product-image-wrapper {
      width: 100%;
      height: 200px;
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #111; /* Màu dự phòng khi ảnh chưa tải */
    }

    .page-42-vn__product-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      width: 100%;
      min-height: 200px; /* Đảm bảo chiều cao tối thiểu */
    }

    .page-42-vn__product-title {
      font-size: 1.5em;
      color: var(--page-42-vn-primary-color);
      margin: 20px 15px 10px;
      white-space: normal;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    .page-42-vn__product-description {
      font-size: 0.95em;
      color: #bbb;
      padding: 0 15px;
      margin-bottom: 20px;
      white-space: normal;
      word-wrap: break-word;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    /* Phần Khuyến mãi */
    .page-42-vn__promo-card {
      background-color: var(--page-42-vn-card-background);
      border-radius: 12px;
      padding: 30px;
      margin-bottom: 20px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
      text-align: left;
      border-left: 5px solid var(--page-42-vn-primary-color);
      box-sizing: border-box;
    }

    .page-42-vn__promo-card-title {
      color: var(--page-42-vn-accent-color);
      font-size: 1.6em;
      margin-bottom: 10px;
    }

    .page-42-vn__promo-card-text {
      color: #ccc;
      margin-bottom: 15px;
    }

    .page-42-vn__promo-link {
      color: var(--page-42-vn-primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-42-vn__promo-link:hover {
      color: #ff6a3c;
    }

    /* Phần Tính năng */
    .page-42-vn__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-42-vn__feature-item {
      background-color: var(--page-42-vn-card-background);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      box-sizing: border-box;
      text-align: left;
      border-top: 3px solid var(--page-42-vn-accent-color);
    }

    .page-42-vn__feature-title {
      color: var(--page-42-vn-primary-color);
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-42-vn__feature-text {
      color: #bbb;
      font-size: 0.95em;
    }

    /* Thanh toán & Nhà cung cấp */
    .page-42-vn__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-items: center;
      align-items: center;
    }

    .page-42-vn__logo-item {
      background-color: var(--page-42-vn-card-background);
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 80px;
      box-sizing: border-box;
    }

    .page-42-vn__logo-link {
      display: block;
      width: 100%;
      height: 100%;
      text-decoration: none;
      color: inherit;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-42-vn__logo-image {
      max-width: 100%;
      max-height: 60px; /* Điều chỉnh chiều cao tối đa cho logo */
      width: auto;
      height: auto;
      display: block;
      object-fit: contain;
    }

    /* Phần Câu hỏi thường gặp (FAQ) */
    .page-42-vn__faq-container {
      margin-top: 40px;
      text-align: left;
    }

    .page-42-vn__faq-item {
      background-color: var(--page-42-vn-card-background);
      border: 1px solid var(--page-42-vn-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .page-42-vn__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      user-select: none;
      background-color: #3a3a3a;
      transition: background-color 0.3s ease;
    }

    .page-42-vn__faq-question:hover {
      background-color: #4a4a4a;
    }

    .page-42-vn__faq-question h3 {
      margin: 0;
      color: var(--page-42-vn-primary-color);
      font-size: 1.2em;
      pointer-events: none; /* Ngăn chặn việc chọn văn bản làm gián đoạn sự kiện nhấp */
    }

    .page-42-vn__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-42-vn-accent-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn biểu tượng làm gián đoạn sự kiện nhấp */
      line-height: 1; /* Đảm bảo chiều cao nhất quán */
    }

    .page-42-vn__faq-item.active .page-42-vn__faq-toggle {
      transform: rotate(45deg); /* Thay đổi '+' thành 'x' về mặt hình ảnh */
    }

    .page-42-vn__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: #2a2a2a;
      color: #ccc;
    }

    .page-42-vn__faq-item.active .page-42-vn__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-42-vn__faq-answer p {
      margin: 0 0 10px;
    }
    .page-42-vn__faq-answer p:last-child {
      margin-bottom: 0;
    }

    /* Mạng xã hội */
    .page-42-vn__social-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      margin-top: 30px;
    }

    .page-42-vn__social-link {
      display: inline-flex;
      align-items: center;
      background-color: var(--page-42-vn-card-background);
      color: var(--page-42-vn-text-color);
      padding: 10px 20px;
      border-radius: 25px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .page-42-vn__social-link:hover {
      background-color: #4a4a4a;
      transform: translateY(-3px);
    }

    .page-42-vn__social-icon {
      max-width: 24px;
      height: 24px;
      margin-right: 8px;
      object-fit: contain;
    }

    /* Điều chỉnh Responsive */
    @media (max-width: 768px) {
      .page-42-vn {
        padding-top: 0 !important; /* Loại bỏ bất kỳ khoảng đệm bổ sung nào trên di động */
      }
      .page-42-vn__section {
        padding: 30px 15px;
      }

      .page-42-vn__title {
        font-size: 2.2em;
      }

      .page-42-vn__subtitle {
        font-size: 1.5em;
      }

      .page-42-vn__hero-section {
        padding: 60px 15px 100px;
        min-height: 50vh;
      }

      .page-42-vn__hero-title {
        font-size: 2.5em;
      }

      .page-42-vn__hero-subtitle {
        font-size: 1.2em;
      }

      .page-42-vn__floating-buttons {
        bottom: 15px;
        gap: 10px;
        padding: 8px 15px;
      }

      .page-42-vn__floating-button {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-42-vn__product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-42-vn__product-card {
        margin: 0 auto;
        max-width: 400px;
      }

      .page-42-vn__product-image-wrapper,
      .page-42-vn__product-image {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
      }

      .page-42-vn__product-title {
        font-size: 1.3em;
        padding: 0 10px;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-42-vn__product-description {
        padding: 0 10px;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-42-vn__features-grid,
      .page-42-vn__logo-grid {
        grid-template-columns: 1fr;
        gap: 15px;
      }

      .page-42-vn__feature-item,
      .page-42-vn__logo-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px 15px !important;
      }

      .page-42-vn__faq-question {
        padding: 12px 15px;
      }

      .page-42-vn__faq-question h3 {
        font-size: 1.1em;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-42-vn__faq-answer {
        padding: 0 15px;
      }
      .page-42-vn__faq-item.active .page-42-vn__faq-answer {
        padding: 15px 15px !important;
      }

      .page-42-vn__social-link {
        padding: 8px 15px;
        font-size: 0.9em;
      }
    }