:root {
      --page-tx88__primary-color: #007bff; /* Xanh dương */
      --page-tx88__secondary-color: #ffc107; /* Vàng */
      --page-tx88__accent-color: #dc3545; /* Đỏ */
      --page-tx88__dark-bg: #1a1a2e; /* Nền tối */
      --page-tx88__light-text: #ffffff; /* Chữ sáng */
      --page-tx88__gray-text: #cccccc; /* Chữ xám */
      --page-tx88__card-bg: #2a2a4a; /* Nền thẻ */
      --page-tx88__border-color: #3e2e5c; /* Màu viền */
      --page-tx88__button-hover: #0056b3; /* Nút hover */
    }

    .page-tx88 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-tx88__light-text);
      background-color: var(--page-tx88__dark-bg);
      overflow-x: hidden;
      padding-bottom: 80px; /* Space for fixed button */
    }

    .page-tx88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-tx88__hero-section {
      position: relative;
      width: 100%;
      min-height: 400px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: var(--page-tx88__light-text);
      overflow: hidden;
      padding-top: 10px; /* For fixed header */
    }

    .page-tx88__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      filter: brightness(0.6); /* Slightly darken for text readability */
      max-width: 100%;
      height: auto;
    }

    .page-tx88__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      background-color: rgba(0, 0, 0, 0.4);
      border-radius: 10px;
      max-width: 90%;
    }

    .page-tx88__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-tx88__secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__hero-description {
      font-size: 1.2em;
      margin-bottom: 25px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-tx88__button {
      display: inline-block;
      background-color: var(--page-tx88__accent-color);
      color: var(--page-tx88__light-text);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-tx88__button:hover {
      background-color: var(--page-tx88__button-hover);
    }

    .page-tx88__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-tx88__section-title {
      font-size: 2.2em;
      color: var(--page-tx88__secondary-color);
      margin-bottom: 30px;
      position: relative;
      display: inline-block;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: -10px;
      width: 80px;
      height: 4px;
      background-color: var(--page-tx88__primary-color);
      border-radius: 2px;
    }

    .page-tx88__text-content {
      max-width: 900px;
      margin: 0 auto 30px auto;
      text-align: left;
      color: var(--page-tx88__gray-text);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__text-content p {
      margin-bottom: 15px;
    }

    .page-tx88__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      padding: 20px 0;
    }

    .page-tx88__game-card {
      background-color: var(--page-tx88__card-bg);
      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;
      height: 100%;
      box-sizing: border-box;
    }

    .page-tx88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-tx88__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      max-width: 100%;
      height: auto;
    }

    .page-tx88__game-info {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-tx88__game-title {
      font-size: 1.4em;
      color: var(--page-tx88__primary-color);
      margin-bottom: 10px;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__game-description {
      font-size: 0.95em;
      color: var(--page-tx88__gray-text);
      margin-bottom: 15px;
      flex-grow: 1;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__promotion-list {
      list-style: none;
      padding: 0;
      margin: 0 auto;
      max-width: 800px;
    }

    .page-tx88__promotion-item {
      background-color: var(--page-tx88__card-bg);
      margin-bottom: 15px;
      padding: 20px;
      border-radius: 8px;
      text-align: left;
      display: flex;
      align-items: center;
      gap: 15px;
      box-sizing: border-box;
      width: 100%;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__promotion-icon {
      flex-shrink: 0;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      background-color: var(--page-tx88__primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8em;
      color: var(--page-tx88__light-text);
    }

    .page-tx88__promotion-content {
      flex-grow: 1;
    }

    .page-tx88__promotion-title {
      font-size: 1.3em;
      color: var(--page-tx88__secondary-color);
      margin-bottom: 5px;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__promotion-description {
      color: var(--page-tx88__gray-text);
      font-size: 0.95em;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__steps-list {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 30px;
      margin-top: 30px;
      list-style: none;
      padding: 0;
    }

    .page-tx88__step-item {
      background-color: var(--page-tx88__card-bg);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      max-width: 300px;
      text-align: left;
      box-sizing: border-box;
      flex: 1 1 30%; /* For desktop */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__step-number {
      font-size: 2.5em;
      color: var(--page-tx88__primary-color);
      font-weight: bold;
      margin-bottom: 10px;
    }

    .page-tx88__step-title {
      font-size: 1.5em;
      color: var(--page-tx88__secondary-color);
      margin-bottom: 10px;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__step-description {
      color: var(--page-tx88__gray-text);
      font-size: 1em;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__faq-section {
      padding: 40px 0;
      text-align: center;
    }

    .page-tx88__faq-list {
      max-width: 900px;
      margin: 0 auto;
      text-align: left;
    }

    .page-tx88__faq-item {
      background-color: var(--page-tx88__card-bg);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      box-sizing: border-box;
      width: 100%;
    }

    .page-tx88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-tx88__primary-color);
      color: var(--page-tx88__light-text);
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__faq-question:hover {
      background-color: var(--page-tx88__button-hover);
    }

    .page-tx88__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Allow click on parent div */
      color: var(--page-tx88__light-text);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      line-height: 1;
      pointer-events: none; /* Allow click on parent div */
    }

    .page-tx88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      color: var(--page-tx88__gray-text);
      background-color: var(--page-tx88__card-bg);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 0.95em;
      text-align: left;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-tx88__faq-item.active .page-tx88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-tx88__faq-item.active .page-tx88__faq-toggle {
      content: '−';
    }

    .page-tx88__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-tx88__accent-color);
      color: var(--page-tx88__light-text);
      padding: 15px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      transition: background-color 0.3s ease;
      white-space: nowrap;
    }

    .page-tx88__floating-button:hover {
      background-color: var(--page-tx88__button-hover);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-tx88__container {
        padding: 15px;
      }

      .page-tx88__hero-title {
        font-size: 2em;
      }

      .page-tx88__hero-description {
        font-size: 1em;
      }

      .page-tx88__section-title {
        font-size: 1.8em;
      }

      .page-tx88__games-grid {
        grid-template-columns: 1fr;
      }

      .page-tx88__promotion-item {
        flex-direction: column;
        text-align: center;
        padding: 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-tx88__promotion-icon {
        margin-bottom: 10px;
      }

      .page-tx88__steps-list {
        flex-direction: column;
        align-items: center;
      }

      .page-tx88__step-item {
        max-width: 90%;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      
      .page-tx88__floating-button {
        font-size: 1em;
        padding: 12px 20px;
        bottom: 15px;
        white-space: normal;
        text-align: center;
        max-width: 90%;
      }

      /* Image responsiveness */
      .page-tx88__hero-image,
      .page-tx88__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-tx88__text-content,
      .page-tx88__promotion-list,
      .page-tx88__faq-list {
        padding: 0 10px;
      }
      
      .page-tx88__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-tx88__faq-answer {
        padding: 0 15px; /* Initial padding */
      }

      .page-tx88__faq-item.active .page-tx88__faq-answer {
        padding: 15px 15px !important; /* Expanded padding */
      }

      h1, h2, h3, h4, h5, h6, p, li, a {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }