
      /* style/789betopen.css */
      /* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top */
      .page-789betopen {
        font-family: 'Arial', sans-serif;
        color: #333333; /* Màu chữ mặc định cho nền sáng */
        line-height: 1.6;
        background-color: #f8f9fa; /* Nền trang nhẹ nhàng */
      }

      .page-789betopen__hero-section {
        position: relative;
        width: 100%;
        padding: 10px 0 60px 0; /* Padding top nhỏ, bottom lớn hơn */
        background-color: #ffffff;
        text-align: center;
        overflow: hidden;
      }

      .page-789betopen__hero-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
      }

      .page-789betopen__hero-image {
        width: 100%;
        height: auto;
        display: block;
        object-fit: cover;
        margin-bottom: 20px;
      }

      .page-789betopen__hero-content {
        max-width: 900px;
        margin: 0 auto;
        padding: 0 20px;
      }

      .page-789betopen__main-title {
        font-size: clamp(28px, 4vw, 48px);
        color: #2563eb;
        margin-bottom: 15px;
        font-weight: 700;
        line-height: 1.2;
      }

      .page-789betopen__intro-text {
        font-size: 18px;
        color: #64748b;
        margin-bottom: 30px;
      }

      .page-789betopen__cta-button {
        display: inline-block;
        background-color: #2563eb;
        color: #ffffff;
        padding: 15px 30px;
        border-radius: 8px;
        text-decoration: none;
        font-weight: 600;
        font-size: 18px;
        transition: background-color 0.3s ease;
        box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
        max-width: 100%;
        box-sizing: border-box;
        white-space: normal;
        word-wrap: break-word;
      }

      .page-789betopen__cta-button:hover {
        background-color: #1d4ed8;
      }

      .page-789betopen__section {
        padding: 60px 20px;
        max-width: 1200px;
        margin: 0 auto;
        background-color: #ffffff;
        border-radius: 12px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        margin-bottom: 40px;
      }

      .page-789betopen__section--alt {
        background-color: #f0f4f8;
      }

      .page-789betopen__section-title {
        font-size: clamp(24px, 3vw, 38px);
        color: #2563eb;
        text-align: center;
        margin-bottom: 30px;
        font-weight: 700;
      }

      .page-789betopen__text-block {
        font-size: 16px;
        line-height: 1.7;
        color: #333333;
        margin-bottom: 20px;
      }

      .page-789betopen__list {
        list-style: none;
        padding: 0;
        margin: 0;
      }

      .page-789betopen__list-item {
        background-color: #f8f9fa;
        border-left: 4px solid #2563eb;
        padding: 15px 20px;
        margin-bottom: 10px;
        border-radius: 8px;
        font-size: 16px;
        color: #333333;
        box-sizing: border-box;
      }

      .page-789betopen__list-item strong {
        color: #2563eb;
      }

      .page-789betopen__image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
        margin-top: 30px;
      }

      .page-789betopen__image-card {
        background-color: #ffffff;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        text-align: center;
        transition: transform 0.3s ease;
      }

      .page-789betopen__image-card:hover {
        transform: translateY(-5px);
      }

      .page-789betopen__image-card-img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        display: block;
      }

      .page-789betopen__image-card-title {
        font-size: 18px;
        color: #2563eb;
        padding: 15px;
        font-weight: 600;
      }

      .page-789betopen__faq-section {
        padding: 60px 20px;
        max-width: 1200px;
        margin: 0 auto;
        background-color: #f0f4f8;
        border-radius: 12px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
      }

      .page-789betopen__faq-item {
        margin-bottom: 15px;
        border: 1px solid #e0e0e0;
        border-radius: 8px;
        background-color: #ffffff;
        overflow: hidden;
      }

      .page-789betopen__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 20px;
        font-size: 18px;
        font-weight: 600;
        color: #333333;
        cursor: pointer;
        user-select: none;
        transition: background-color 0.3s ease;
      }

      .page-789betopen__faq-question:hover {
        background-color: #f5f5f5;
      }

      .page-789betopen__faq-question h3 {
        margin: 0;
        flex-grow: 1;
        pointer-events: none; /* Ngăn chặn sự kiện click trên h3 */
        color: #2563eb;
      }

      .page-789betopen__faq-toggle {
        font-size: 24px;
        line-height: 1;
        margin-left: 15px;
        color: #2563eb;
        pointer-events: none; /* Ngăn chặn sự kiện click trên biểu tượng */
        transition: transform 0.3s ease;
      }

      .page-789betopen__faq-item.active .page-789betopen__faq-toggle {
        transform: rotate(45deg);
      }

      .page-789betopen__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 20px;
        font-size: 16px;
        color: #555555;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        opacity: 0;
      }

      .page-789betopen__faq-item.active .page-789betopen__faq-answer {
        max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
        padding: 15px 20px 20px 20px !important;
        opacity: 1;
      }

      .page-789betopen__floating-button-wrapper {
        position: fixed;
        bottom: 20px;
        left: 0;
        width: 100%;
        display: flex;
        justify-content: center;
        z-index: 1000;
        padding: 0 15px;
        box-sizing: border-box;
      }

      .page-789betopen__floating-button {
        background-color: #ef4444; /* Màu đỏ nổi bật cho ưu đãi */
        color: #ffffff;
        padding: 15px 25px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: 700;
        font-size: 18px;
        text-align: center;
        box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
        transition: background-color 0.3s ease, transform 0.2s ease;
        white-space: normal;
        word-wrap: break-word;
        max-width: 90%; /* Giới hạn chiều rộng trên di động */
        box-sizing: border-box;
      }

      .page-789betopen__floating-button:hover {
        background-color: #dc2626;
        transform: translateY(-3px);
      }

      .page-789betopen__link {
        color: #2563eb;
        text-decoration: none;
        font-weight: 600;
      }

      .page-789betopen__link:hover {
        text-decoration: underline;
      }

      /* Responsive Adjustments */
      @media (max-width: 1024px) {
        .page-789betopen__section {
          padding: 50px 20px;
        }

        .page-789betopen__image-grid {
          grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
      }

      @media (max-width: 768px) {
        .page-789betopen__hero-section {
          padding: 10px 0 40px 0;
        }

        .page-789betopen__main-title {
          font-size: 32px;
        }

        .page-789betopen__intro-text {
          font-size: 16px;
        }

        .page-789betopen__cta-button,
        .page-789betopen a[class*="button"],
        .page-789betopen a[class*="btn"] {
          max-width: 100% !important;
          width: 100% !important;
          box-sizing: border-box !important;
          white-space: normal !important;
          word-wrap: break-word !important;
          padding-left: 15px;
          padding-right: 15px;
        }

        .page-789betopen__section,
        .page-789betopen__faq-section {
          padding: 30px 15px;
          margin-bottom: 30px;
        }

        .page-789betopen__section-title {
          font-size: 28px;
          margin-bottom: 20px;
        }

        .page-789betopen__text-block,
        .page-789betopen__list-item,
        .page-789betopen__faq-question,
        .page-789betopen__faq-answer {
          font-size: 15px;
        }

        .page-789betopen__image-grid {
          grid-template-columns: 1fr;
        }

        .page-789betopen__image-card-img {
          height: 180px;
        }

        .page-789betopen__image-card-title {
          font-size: 16px;
        }

        .page-789betopen__faq-question {
          padding: 15px;
        }

        .page-789betopen__faq-answer {
          padding: 0 15px;
        }
        .page-789betopen__faq-item.active .page-789betopen__faq-answer {
          padding: 10px 15px 15px 15px !important;
        }

        /* Hình ảnh và container của chúng */
        .page-789betopen img {
          max-width: 100% !important;
          width: 100% !important;
          height: auto !important;
          display: block !important;
        }
        .page-789betopen__hero-image-wrapper,
        .page-789betopen__image-card,
        .page-789betopen__image-grid,
        .page-789betopen__section,
        .page-789betopen__faq-section,
        .page-789betopen__floating-button-wrapper {
          max-width: 100% !important;
          width: 100% !important;
          box-sizing: border-box !important;
          overflow: hidden !important;
        }

        /* Danh sách và các mục danh sách */
        .page-789betopen__list,
        .page-789betopen__list-item {
          width: 100% !important;
          max-width: 100% !important;
          box-sizing: border-box !important;
          padding-left: 15px;
          padding-right: 15px;
          margin-left: 0 !important;
          margin-right: 0 !important;
          word-wrap: break-word !important;
          overflow-wrap: break-word !important;
          word-break: break-word !important;
        }
        .page-789betopen__list {
          padding: 0 !important;
        }
      }

      @media (max-width: 480px) {
        .page-789betopen__main-title {
          font-size: 28px;
        }

        .page-789betopen__section-title {
          font-size: 24px;
        }

        .page-789betopen__floating-button {
          font-size: 16px;
          padding: 12px 20px;
        }
      }
    