/* General styles for the page-bong-da-lu4 */
    .page-bong-da-lu4 {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8f8f8;
      padding-top: 10px; /* Small top padding for hero section */
    }

    .page-bong-da-lu4__section-title {
      font-size: 2.5em;
      color: #0056b3; /* Darker blue for titles */
      text-align: center;
      margin-bottom: 20px;
      padding-top: 40px;
    }

    .page-bong-da-lu4__section-description {
      font-size: 1.1em;
      text-align: center;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: #555;
    }

    /* Hero Section */
    .page-bong-da-lu4__hero-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      background: linear-gradient(135deg, #007bff, #0056b3);
      color: #fff;
      padding: 60px 20px;
      position: relative;
      overflow: hidden;
    }

    .page-bong-da-lu4__hero-content {
      z-index: 1;
      max-width: 900px;
    }

    .page-bong-da-lu4__main-title {
      font-size: 3.2em;
      margin-bottom: 20px;
      color: #fff;
      line-height: 1.2;
    }

    .page-bong-da-lu4__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: #e0e0e0;
    }

    .page-bong-da-lu4__action-button {
      display: inline-block;
      background-color: #ffc107; /* Yellow */
      color: #333;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-bong-da-lu4__action-button:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    .page-bong-da-lu4__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      opacity: 0.3;
      z-index: 0;
    }

    .page-bong-da-lu4__hero-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: grayscale(50%); /* Allowed for aesthetic, not color change */
    }

    /* Promo Banner */
    .page-bong-da-lu4__promo-banner {
      background-color: #f0f8ff; /* Light blue background */
      padding: 50px 20px;
      text-align: center;
      border-bottom: 1px solid #eee;
    }

    .page-bong-da-lu4__promo-title {
      font-size: 2.2em;
      color: #007bff;
      margin-bottom: 15px;
    }

    .page-bong-da-lu4__promo-text {
      font-size: 1.1em;
      color: #555;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-bong-da-lu4__promo-button {
      display: inline-block;
      background-color: #28a745; /* Green */
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-bong-da-lu4__promo-button:hover {
      background-color: #218838;
    }

    /* Products Section */
    .page-bong-da-lu4__products-section {
      padding: 60px 20px;
      background-color: #fff;
    }

    .page-bong-da-lu4__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-bong-da-lu4__product-item {
      background-color: #f9f9f9;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding-bottom: 20px;
    }

    .page-bong-da-lu4__product-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-bong-da-lu4__product-item img {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      border-bottom: 1px solid #eee;
      margin-bottom: 15px;
      max-width: 100%; /* Important for mobile responsiveness */
      box-sizing: border-box; /* Ensure padding/border included in width */
    }

    .page-bong-da-lu4__product-title {
      font-size: 1.5em;
      color: #007bff;
      margin-bottom: 10px;
      padding: 0 15px;
    }

    .page-bong-da-lu4__product-text {
      font-size: 1em;
      color: #666;
      padding: 0 15px;
    }

    /* Providers and Payments Sections */
    .page-bong-da-lu4__providers-section,
    .page-bong-da-lu4__payment-section {
      padding: 60px 20px;
      background-color: #f8f8f8;
      border-top: 1px solid #eee;
    }

    .page-bong-da-lu4__provider-list,
    .page-bong-da-lu4__payment-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .page-bong-da-lu4__provider-item,
    .page-bong-da-lu4__payment-item {
      background-color: #e9ecef;
      color: #333;
      padding: 10px 20px;
      border-radius: 5px;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      box-sizing: border-box; /* Ensure padding/border included in width */
      text-align: center;
      width: auto; /* Allow items to size naturally */
      min-width: 120px; /* Minimum width for readability */
    }

    .page-bong-da-lu4__provider-item:hover,
    .page-bong-da-lu4__payment-item:hover {
      background-color: #dee2e6;
    }

    /* FAQ Section */
    .page-bong-da-lu4__faq-section {
      padding: 60px 20px;
      background-color: #fff;
    }

    .page-bong-da-lu4__faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-bong-da-lu4__faq-item {
      background-color: #f9f9f9;
      border: 1px solid #ddd;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-bong-da-lu4__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px;
      cursor: pointer;
      background-color: #eaf6ff; /* Light blue for question */
      color: #0056b3;
      font-weight: bold;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-bong-da-lu4__faq-question:hover {
      background-color: #d4edff;
    }

    .page-bong-da-lu4__faq-question-title {
      margin: 0;
      font-size: 1.2em;
      color: #0056b3;
      pointer-events: none; /* Prevent text selection from interfering with click */
    }

    .page-bong-da-lu4__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent icon from interfering with click */
      transition: transform 0.3s ease;
      color: #007bff;
    }

    .page-bong-da-lu4__faq-item.active .page-bong-da-lu4__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-bong-da-lu4__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Initial padding 0 */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #444;
      background-color: #fefefe;
    }

    .page-bong-da-lu4__faq-item.active .page-bong-da-lu4__faq-answer {
      max-height: 2000px !important; /* Sufficiently large height */
      padding: 20px !important; /* Padding when active */
      opacity: 1;
    }

    .page-bong-da-lu4__faq-answer p {
      margin: 0;
      font-size: 1em;
    }

    /* Floating Buttons */
    .page-bong-da-lu4__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-bong-da-lu4__floating-button {
      background-color: #007bff; /* Blue */
      color: #fff;
      padding: 12px 20px;
      border-radius: 50px;
      border: none;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: background-color 0.3s ease, transform 0.3s ease;
      min-width: 120px;
      text-align: center;
    }

    .page-bong-da-lu4__floating-button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-bong-da-lu4__floating-register {
      background-color: #28a745; /* Green for register */
    }

    .page-bong-da-lu4__floating-register:hover {
      background-color: #218838;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-bong-da-lu4 {
        padding-top: 5px;
      }

      .page-bong-da-lu4__main-title {
        font-size: 2.2em;
      }

      .page-bong-da-lu4__hero-description {
        font-size: 1em;
      }

      .page-bong-da-lu4__section-title {
        font-size: 2em;
        padding-top: 30px;
      }

      .page-bong-da-lu4__section-description {
        font-size: 0.95em;
        margin-bottom: 20px;
      }

      .page-bong-da-lu4__product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-bong-da-lu4__product-item img {
        height: 180px;
      }

      /* List items responsiveness for providers and payments */
      .page-bong-da-lu4__provider-list,
      .page-bong-da-lu4__payment-list {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        padding: 0;
        margin-left: 0;
        margin-right: 0;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-bong-da-lu4__provider-item,
      .page-bong-da-lu4__payment-item {
        width: 90% !important; /* Almost full width for mobile */
        max-width: 90% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 10px 15px !important; /* Adjust padding */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-bong-da-lu4__faq-question {
        padding: 15px;
      }

      .page-bong-da-lu4__faq-question-title {
        font-size: 1.1em;
      }

      .page-bong-da-lu4__faq-answer {
        padding: 0 15px; /* Initial padding for mobile */
      }

      .page-bong-da-lu4__faq-item.active .page-bong-da-lu4__faq-answer {
        padding: 15px !important; /* Active padding for mobile */
      }

      .page-bong-da-lu4__floating-buttons {
        bottom: 15px;
        right: 15px;
        flex-direction: row; /* Buttons side-by-side on mobile */
        gap: 8px;
      }

      .page-bong-da-lu4__floating-button {
        padding: 10px 15px;
        font-size: 1em;
        min-width: unset;
      }
    }

    @media (max-width: 480px) {
      .page-bong-da-lu4__main-title {
        font-size: 1.8em;
      }
      .page-bong-da-lu4__section-title {
        font-size: 1.8em;
      }
    }