/* Tổng quan */
    .page-acb89 {
      font-family: 'Arial', sans-serif;
      color: #f0f0f0;
      background-color: #1a1a2e;
      line-height: 1.6;
      padding-bottom: 80px; /* Để chừa chỗ cho nút nổi */
      min-height: 100vh;
      box-sizing: border-box;
      padding-top: var(--header-offset, 0); /* Sử dụng offset từ shared.css nếu có */
    }

    .page-acb89__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-acb89__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-acb89__section--dark {
      background-color: #16213e;
    }

    .page-acb89__section-title {
      font-size: 2.5em;
      color: #e94560;
      margin-bottom: 30px;
      text-align: center;
      font-weight: bold;
    }

    .page-acb89__section-subtitle {
      font-size: 1.8em;
      color: #0f3460;
      margin-bottom: 20px;
      text-align: center;
    }

    .page-acb89__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #ccc;
    }

    /* Hero Section */
    .page-acb89__hero-section {
      background: linear-gradient(45deg, #1a1a2e, #0f3460);
      padding: 60px 0 80px;
      position: relative;
      overflow: hidden;
      padding-top: 10px; /* Decorative padding, relying on body for main offset */
    }

    .page-acb89__hero-title {
      font-size: 3.5em;
      color: #e94560;
      margin-bottom: 20px;
      font-weight: 900;
      text-transform: uppercase;
      letter-spacing: 2px;
    }

    .page-acb89__hero-description {
      font-size: 1.3em;
      color: #f0f0f0;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-acb89__promotion-link {
      display: inline-block;
      background-color: #e94560;
      color: #fff;
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      margin-top: 20px;
    }

    .page-acb89__promotion-link:hover {
      background-color: #ff6a81;
      transform: translateY(-3px);
    }

    /* Nút nổi */
    .page-acb89__floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: space-around;
      padding: 10px 0;
      background-color: rgba(0, 0, 0, 0.8);
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
      z-index: 1000;
    }

    .page-acb89__floating-button {
      flex: 1;
      margin: 0 5px;
      background-color: #0f3460;
      color: #fff;
      padding: 12px 10px;
      border: none;
      border-radius: 5px;
      font-size: 1.1em;
      cursor: pointer;
      transition: background-color 0.3s ease;
      text-align: center;
      text-decoration: none;
      font-weight: bold;
    }

    .page-acb89__floating-button:hover {
      background-color: #16213e;
    }

    .page-acb89__floating-button--register {
      background-color: #e94560;
    }

    .page-acb89__floating-button--register:hover {
      background-color: #ff6a81;
    }

    /* Product Display */
    .page-acb89__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-acb89__product-item {
      background-color: #16213e;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }

    .page-acb89__product-item:hover {
      transform: translateY(-10px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    }

    .page-acb89__product-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-acb89__product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%;
      transition: transform 0.3s ease;
    }

    .page-acb89__product-item:hover .page-acb89__product-image {
      transform: scale(1.05);
    }

    .page-acb89__product-content {
      padding: 20px;
      flex-grow: 1;
    }

    .page-acb89__product-title {
      font-size: 1.5em;
      color: #e94560;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-acb89__product-description {
      font-size: 0.95em;
      color: #ccc;
      margin-bottom: 15px;
    }

    /* Game Providers & Payment Methods */
    .page-acb89__partners-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      margin-top: 40px;
      align-items: center;
      justify-content: center;
    }

    .page-acb89__partner-item {
      background-color: #16213e;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      height: 120px; /* Fixed height for consistency */
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .page-acb89__partner-item:hover {
      transform: translateY(-5px);
    }

    .page-acb89__partner-logo {
      max-width: 100%;
      max-height: 80px;
      height: auto;
      display: block;
      object-fit: contain;
    }

    /* FAQ Section */
    .page-acb89__faq-section {
      background-color: #1a1a2e;
      padding: 60px 0;
    }

    .page-acb89__faq-list {
      margin-top: 40px;
      list-style: none;
      padding: 0;
    }

    .page-acb89__faq-item {
      background-color: #16213e;
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-acb89__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #0f3460;
      color: #fff;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-acb89__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: #fff;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-acb89__faq-question:hover {
      background-color: #16213e;
    }

    .page-acb89__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      transition: transform 0.3s ease;
      color: #e94560;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-acb89__faq-item.active .page-acb89__faq-toggle {
      transform: rotate(45deg);
    }

    .page-acb89__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      background-color: #1a1a2e;
      color: #ccc;
      font-size: 1em;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      box-sizing: border-box;
      text-align: left;
    }

    .page-acb89__faq-item.active .page-acb89__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-acb89__hero-title {
        font-size: 2.5em;
      }

      .page-acb89__hero-description {
        font-size: 1.1em;
      }

      .page-acb89__section-title {
        font-size: 2em;
      }

      .page-acb89__section-subtitle {
        font-size: 1.5em;
      }

      .page-acb89__product-grid,
      .page-acb89__partners-grid {
        grid-template-columns: 1fr;
      }

      .page-acb89__product-item,
      .page-acb89__partner-item {
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-acb89__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }

      .page-acb89__faq-question h3 {
        font-size: 1.1em;
      }

      .page-acb89__faq-answer {
        padding: 0 20px;
      }

      .page-acb89__faq-item.active .page-acb89__faq-answer {
        padding: 15px 20px !important;
      }

      .page-acb89__text,
      .page-acb89__product-description {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-acb89__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
    }

    @media (max-width: 480px) {
      .page-acb89__hero-title {
        font-size: 2em;
      }

      .page-acb89__hero-description {
        font-size: 1em;
      }

      .page-acb89__promotion-link {
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-acb89__floating-button {
        font-size: 1em;
        padding: 10px 5px;
      }
    }