:root {
      --page-xx88-pro-primary-color: #f39c12; /* Vàng cam */
      --page-xx88-pro-secondary-color: #2c3e50; /* Xám xanh đậm */
      --page-xx88-pro-accent-color: #e74c3c; /* Đỏ */
      --page-xx88-pro-text-color: #ecf0f1; /* Trắng xám */
      --page-xx88-pro-dark-bg: #1a1a1a; /* Nền rất tối */
      --page-xx88-pro-light-bg: #222; /* Nền tối */
      --page-xx88-pro-border-color: #333; /* Màu viền */
      --header-offset: 122px; /* Default offset if not defined in shared.css */
    }

    .page-xx88-pro {
      font-family: 'Arial', sans-serif;
      color: var(--page-xx88-pro-text-color);
      background-color: var(--page-xx88-pro-dark-bg);
      line-height: 1.6;
      padding-top: var(--header-offset, 122px); /* Fallback if shared.css doesn't set body padding-top */
    }

    .page-xx88-pro__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-xx88-pro__section {
      padding: 60px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .page-xx88-pro__section--dark {
      background-color: var(--page-xx88-pro-light-bg);
    }

    .page-xx88-pro__heading {
      color: var(--page-xx88-pro-primary-color);
      font-size: 2.8em;
      margin-bottom: 20px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-xx88-pro__subheading {
      color: var(--page-xx88-pro-text-color);
      font-size: 1.8em;
      margin-bottom: 40px;
    }

    .page-xx88-pro__paragraph {
      font-size: 1.1em;
      margin-bottom: 20px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Hero Section */
    .page-xx88-pro__hero-section {
      background-image: url('[GALLERY:hero:1920x1080:betting,casino,mobile]');
      background-size: cover;
      background-position: center;
      color: #fff;
      padding: 100px 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 500px;
      position: relative;
      overflow: hidden;
      padding-top: 10px; /* Small top padding as body already has header offset */
    }

    .page-xx88-pro__hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.6);
      z-index: 1;
    }

    .page-xx88-pro__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-xx88-pro__hero-title {
      font-size: 3.5em;
      margin-bottom: 15px;
      color: var(--page-xx88-pro-primary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-xx88-pro__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      font-weight: 300;
    }

    .page-xx88-pro__cta-button {
      display: inline-block;
      background-color: var(--page-xx88-pro-primary-color);
      color: var(--page-xx88-pro-dark-bg);
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-xx88-pro__cta-button:hover {
      background-color: #e67e22; /* Slightly darker orange */
      transform: translateY(-3px);
    }

    /* Floating Buttons */
    .page-xx88-pro__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .page-xx88-pro__floating-button {
      background-color: var(--page-xx88-pro-accent-color);
      color: #fff;
      padding: 12px 20px;
      border-radius: 25px;
      text-align: center;
      font-weight: bold;
      font-size: 1em;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-xx88-pro__floating-button--register {
      background-color: var(--page-xx88-pro-primary-color);
    }

    .page-xx88-pro__floating-button:hover {
      transform: translateY(-2px);
      filter: brightness(1.1);
    }

    /* Game Categories */
    .page-xx88-pro__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 50px;
    }

    .page-xx88-pro__game-card {
      background-color: var(--page-xx88-pro-light-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-xx88-pro__game-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    }

    .page-xx88-pro__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      margin-bottom: 15px;
      max-width: 100%;
      height: auto;
      box-sizing: border-box;
    }

    .page-xx88-pro__game-title {
      font-size: 1.4em;
      color: var(--page-xx88-pro-primary-color);
      margin-bottom: 10px;
    }

    .page-xx88-pro__game-description {
      font-size: 0.95em;
      color: var(--page-xx88-pro-text-color);
      padding: 0 15px;
    }

    /* Promotions Section */
    .page-xx88-pro__promotions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 50px;
    }

    .page-xx88-pro__promotion-item {
      background-color: var(--page-xx88-pro-light-bg);
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      padding: 25px;
      text-align: left;
      transition: transform 0.3s ease;
    }

    .page-xx88-pro__promotion-item:hover {
      transform: translateY(-5px);
    }

    .page-xx88-pro__promotion-title {
      color: var(--page-xx88-pro-primary-color);
      font-size: 1.5em;
      margin-bottom: 15px;
    }

    .page-xx88-pro__promotion-description {
      font-size: 1em;
      color: var(--page-xx88-pro-text-color);
    }

    /* Features Section */
    .page-xx88-pro__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 50px;
    }

    .page-xx88-pro__feature-item {
      background-color: var(--page-xx88-pro-light-bg);
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      padding: 30px;
      transition: transform 0.3s ease;
    }

    .page-xx88-pro__feature-item:hover {
      transform: scale(1.03);
    }

    .page-xx88-pro__feature-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 20px;
      object-fit: contain;
      max-width: 100%;
      height: auto;
      box-sizing: border-box;
    }

    .page-xx88-pro__feature-title {
      color: var(--page-xx88-pro-primary-color);
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-xx88-pro__feature-description {
      font-size: 0.95em;
      color: var(--page-xx88-pro-text-color);
    }

    /* Payment and Providers */
    .page-xx88-pro__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 40px;
      align-items: center;
      justify-items: center;
    }

    .page-xx88-pro__logo-item {
      background-color: var(--page-xx88-pro-light-bg);
      border-radius: 8px;
      padding: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.2s ease;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100px;
    }

    .page-xx88-pro__logo-item:hover {
      transform: translateY(-3px);
    }

    .page-xx88-pro__logo-image {
      max-width: 100%;
      max-height: 70px;
      object-fit: contain;
      filter: grayscale(100%) brightness(180%);
      transition: filter 0.3s ease;
      box-sizing: border-box;
    }

    .page-xx88-pro__logo-item:hover .page-xx88-pro__logo-image {
      filter: grayscale(0%) brightness(100%);
    }

    /* FAQ Section */
    .page-xx88-pro__faq-list {
      margin-top: 40px;
      text-align: left;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-xx88-pro__faq-item {
      background-color: var(--page-xx88-pro-light-bg);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-xx88-pro__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: var(--page-xx88-pro-secondary-color);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      color: var(--page-xx88-pro-text-color);
    }

    .page-xx88-pro__faq-question:hover {
      background-color: #34495e;
    }

    .page-xx88-pro__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-xx88-pro-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-xx88-pro__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-xx88-pro-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-xx88-pro__faq-item.active .page-xx88-pro__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-xx88-pro__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-xx88-pro-text-color);
    }

    .page-xx88-pro__faq-item.active .page-xx88-pro__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-xx88-pro__faq-answer p {
      margin: 0 0 10px 0;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-xx88-pro__hero-title {
        font-size: 2.5em;
      }

      .page-xx88-pro__hero-subtitle {
        font-size: 1.2em;
      }

      .page-xx88-pro__heading {
        font-size: 2.2em;
      }

      .page-xx88-pro__subheading {
        font-size: 1.5em;
      }

      .page-xx88-pro__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-xx88-pro__game-categories,
      .page-xx88-pro__promotions-grid,
      .page-xx88-pro__features-grid,
      .page-xx88-pro__logo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-xx88-pro__section {
        padding: 40px 0;
      }

      .page-xx88-pro__container {
        padding: 15px;
      }

      .page-xx88-pro__floating-buttons {
        bottom: 15px;
        right: 15px;
      }

      .page-xx88-pro__floating-button {
        padding: 10px 15px;
        font-size: 0.9em;
      }

      /* List item responsive adjustments */
      .page-xx88-pro__game-card,
      .page-xx88-pro__promotion-item,
      .page-xx88-pro__feature-item,
      .page-xx88-pro__logo-item,
      .page-xx88-pro__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-xx88-pro__faq-question,
      .page-xx88-pro__faq-answer {
        padding-left: 15px !important;
        padding-right: 15px !important;
      }

      .page-xx88-pro__faq-answer {
        padding-top: 15px !important;
        padding-bottom: 15px !important;
      }

      .page-xx88-pro__faq-question h3 {
        font-size: 1em;
      }

      .page-xx88-pro__faq-toggle {
        font-size: 1.5em;
      }

      /* Image responsive adjustments */
      .page-xx88-pro__game-image,
      .page-xx88-pro__feature-icon,
      .page-xx88-pro__logo-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-xx88-pro__game-card,
      .page-xx88-pro__promotion-item,
      .page-xx88-pro__feature-item,
      .page-xx88-pro__logo-item {
        margin: 0 auto; /* Center items if they become single column */
      }
    }