:root {
      --page-city88-primary-color: #f39c12; /* Màu cam nổi bật */
      --page-city88-secondary-color: #34495e; /* Xám đậm */
      --page-city88-text-color: #ecf0f1; /* Trắng nhạt */
      --page-city88-dark-bg: #2c3e50; /* Xanh đậm */
      --page-city88-light-bg: #ecf0f1; /* Trắng nhạt */
      --page-city88-accent-color: #e74c3c; /* Đỏ */
    }

    .page-city88 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--page-city88-text-color);
      background-color: var(--page-city88-dark-bg);
      line-height: 1.6;
      padding-bottom: 80px; /* Space for floating buttons */
    }

    .page-city88__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    @media (max-width: 768px) {
      .page-city88__section {
        padding: 20px 15px;
      }
    }

    .page-city88__heading-primary {
      font-size: 2.8em;
      color: var(--page-city88-primary-color);
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-city88__heading-secondary {
      font-size: 2.2em;
      color: var(--page-city88-light-bg);
      margin-top: 40px;
      margin-bottom: 25px;
    }

    .page-city88__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: var(--page-city88-text-color);
    }

    .page-city88__hero-section {
      background-color: var(--page-city88-secondary-color);
      padding-top: 10px;
      padding-bottom: 60px;
      position: relative;
      overflow: hidden;
      border-bottom: 5px solid var(--page-city88-primary-color);
    }

    .page-city88__hero-image {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      margin-top: 30px;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    }

    .page-city88__buttons-container {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-city88__button {
      background-color: var(--page-city88-primary-color);
      color: var(--page-city88-dark-bg);
      padding: 15px 30px;
      border-radius: 50px;
      font-weight: bold;
      font-size: 1.1em;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      text-decoration: none;
      display: inline-block;
    }

    .page-city88__button:hover {
      background-color: #e67e22; /* Slightly darker orange */
      transform: translateY(-3px);
    }

    .page-city88__game-categories {
      background-color: var(--page-city88-dark-bg);
      color: var(--page-city88-text-color);
    }

    .page-city88__category-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-city88__category-item {
      background-color: var(--page-city88-secondary-color);
      border-radius: 15px;
      padding: 25px;
      text-align: center;
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      box-sizing: border-box;
    }

    .page-city88__category-item:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    }

    .page-city88__category-image {
      width: 100%;
      max-width: 400px; /* Ensure image is not too small */
      height: auto;
      border-radius: 10px;
      margin-bottom: 15px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-city88__category-title {
      font-size: 1.5em;
      color: var(--page-city88-primary-color);
      margin-bottom: 10px;
    }

    .page-city88__promotion-section {
      background-color: var(--page-city88-light-bg);
      color: var(--page-city88-dark-bg);
      border-top: 5px solid var(--page-city88-primary-color);
    }

    .page-city88__promotion-section .page-city88__heading-secondary {
      color: var(--page-city88-dark-bg);
    }

    .page-city88__promotion-section .page-city88__text {
      color: var(--page-city88-secondary-color);
    }

    .page-city88__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-city88__promo-card {
      background-color: #ffffff;
      border-radius: 15px;
      padding: 25px;
      text-align: left;
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-city88__promo-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }

    .page-city88__promo-title {
      font-size: 1.6em;
      color: var(--page-city88-primary-color);
      margin-bottom: 10px;
    }

    .page-city88__promo-description {
      color: var(--page-city88-secondary-color);
      font-size: 1em;
    }

    .page-city88__why-choose-section {
      background-color: var(--page-city88-dark-bg);
    }

    .page-city88__feature-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .page-city88__feature-item {
      background-color: var(--page-city88-secondary-color);
      border-radius: 15px;
      padding: 25px;
      text-align: left;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box;
      display: flex;
      align-items: flex-start;
      gap: 15px;
    }

    .page-city88__feature-icon {
      width: 80px;
      height: 80px;
      min-width: 80px;
      border-radius: 50%;
      background-color: var(--page-city88-primary-color);
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 2em;
      color: var(--page-city88-dark-bg);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

    .page-city88__feature-content h3 {
      font-size: 1.4em;
      color: var(--page-city88-primary-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-city88__feature-content p {
      color: var(--page-city88-text-color);
      margin-bottom: 0;
    }

    .page-city88__payment-providers-section {
      background-color: var(--page-city88-light-bg);
      color: var(--page-city88-dark-bg);
      border-top: 5px solid var(--page-city88-primary-color);
    }

    .page-city88__payment-providers-section .page-city88__heading-secondary {
      color: var(--page-city88-dark-bg);
    }

    .page-city88__payment-providers-section .page-city88__text {
      color: var(--page-city88-secondary-color);
    }

    .page-city88__logos-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      align-items: center;
      justify-content: center;
    }

    .page-city88__logo-item {
      background-color: #ffffff;
      padding: 15px;
      border-radius: 10px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100px;
      box-sizing: border-box;
      transition: transform 0.2s ease;
    }

    .page-city88__logo-item:hover {
      transform: translateY(-5px);
    }

    .page-city88__logo-image {
      max-width: 100%;
      max-height: 70px;
      height: auto;
      display: block;
    }

    .page-city88__faq-section {
      background-color: var(--page-city88-dark-bg);
      color: var(--page-city88-text-color);
    }

    .page-city88__faq-list {
      margin-top: 30px;
      text-align: left;
    }

    .page-city88__faq-item {
      background-color: var(--page-city88-secondary-color);
      border-radius: 10px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box;
    }

    .page-city88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      font-size: 1.2em;
      color: var(--page-city88-primary-color);
      background-color: #3f5872; /* Slightly lighter than secondary for contrast */
      transition: background-color 0.3s ease;
    }

    .page-city88__faq-question:hover {
      background-color: #4a6583;
    }

    .page-city88__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-city88-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click event on parent */
    }

    .page-city88__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      line-height: 1;
      pointer-events: none; /* Prevent toggle icon from blocking click event on parent */
      color: var(--page-city88-primary-color);
    }

    .page-city88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-city88-text-color);
      background-color: var(--page-city88-secondary-color);
      box-sizing: border-box;
    }

    .page-city88__faq-item.active .page-city88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-city88__cta-section {
      background-color: var(--page-city88-primary-color);
      color: var(--page-city88-dark-bg);
      padding: 60px 20px;
      border-top: 5px solid var(--page-city88-accent-color);
    }

    .page-city88__cta-section .page-city88__heading-secondary {
      color: var(--page-city88-dark-bg);
      margin-bottom: 20px;
    }

    .page-city88__cta-section .page-city88__text {
      color: var(--page-city88-dark-bg);
      font-size: 1.2em;
      margin-bottom: 30px;
    }

    .page-city88__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 15px;
      z-index: 1000;
    }

    .page-city88__floating-button {
      background-color: var(--page-city88-primary-color);
      color: var(--page-city88-dark-bg);
      padding: 12px 25px;
      border-radius: 30px;
      font-weight: bold;
      font-size: 1em;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      text-decoration: none;
      text-align: center;
      min-width: 120px;
    }

    .page-city88__floating-button:hover {
      background-color: #e67e22;
      transform: translateY(-3px);
    }

    @media (max-width: 768px) {
      .page-city88__heading-primary {
        font-size: 2em;
      }
      .page-city88__heading-secondary {
        font-size: 1.8em;
      }
      .page-city88__text {
        font-size: 1em;
      }
      .page-city88__category-grid, .page-city88__promo-grid, .page-city88__feature-list, .page-city88__logos-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .page-city88__category-item, .page-city88__promo-card, .page-city88__feature-item, .page-city88__logo-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 15px;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-city88__feature-item {
        flex-direction: column;
        align-items: center;
      }
      .page-city88__feature-content {
        text-align: center;
      }
      .page-city88__logo-image {
        max-width: 80%;
      }
      .page-city88__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }
      .page-city88__faq-answer {
        padding: 0 20px;
      }
      .page-city88__faq-item.active .page-city88__faq-answer {
        padding: 15px 20px !important;
      }
      .page-city88__floating-buttons {
        flex-direction: row;
        left: 50%;
        transform: translateX(-50%);
        bottom: 15px;
        right: auto;
        width: calc(100% - 30px);
        justify-content: space-around;
      }
      .page-city88__floating-button {
        flex-grow: 1;
        min-width: unset;
        padding: 10px 15px;
      }
      .page-city88__text, .page-city88__promo-description, .page-city88__feature-content p {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }