:root {
      --page-ax88-primary-color: #007bff; /* Xanh dương */
      --page-ax88-secondary-color: #6c757d; /* Xám */
      --page-ax88-accent-color: #ffc107; /* Vàng */
      --page-ax88-background-light: #f8f9fa; /* Nền sáng */
      --page-ax88-text-dark: #212529; /* Chữ tối */
      --page-ax88-text-light: #ffffff; /* Chữ sáng */
      --page-ax88-dark-bg: #343a40; /* Nền tối */
      --page-ax88-border-color: #dee2e6; /* Màu viền */
    }

    .page-ax88 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-ax88-text-dark);
      background-color: var(--page-ax88-background-light);
      overflow-x: hidden;
    }

    .page-ax88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-ax88__hero-section {
      text-align: center;
      padding: 10px 0 40px; /* Adjusted padding-top for fixed header */
      background-color: var(--page-ax88-dark-bg);
      color: var(--page-ax88-text-light);
      position: relative;
      overflow: hidden;
    }

    .page-ax88__hero-image {
      width: 100%;
      height: auto;
      max-width: 100%;
      display: block;
      margin: 0 auto;
      object-fit: cover;
      border-radius: 8px;
    }

    .page-ax88__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
    }

    .page-ax88__hero-title {
      font-size: 2.5em;
      margin-bottom: 10px;
      color: var(--page-ax88-accent-color);
    }

    .page-ax88__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 20px;
      color: var(--page-ax88-text-light);
    }

    .page-ax88__cta-button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-ax88-primary-color);
      color: var(--page-ax88-text-light);
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease;
      cursor: pointer;
      border: none;
      font-size: 1em;
    }

    .page-ax88__cta-button:hover {
      background-color: #0056b3;
    }

    /* Floating Login/Promotion Button */
    .page-ax88__floating-promo-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #dc3545; /* Đỏ nổi bật */
      color: var(--page-ax88-text-light);
      padding: 15px 20px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      cursor: pointer;
      transition: transform 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
    }

    .page-ax88__floating-promo-button:hover {
      transform: scale(1.05);
      background-color: #c82333;
    }

    /* Section Styling */
    .page-ax88__section {
      padding: 40px 0;
      margin-bottom: 20px;
      background-color: var(--page-ax88-text-light);
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }

    .page-ax88__section--dark {
      background-color: var(--page-ax88-dark-bg);
      color: var(--page-ax88-text-light);
    }

    .page-ax88__section-title {
      font-size: 2em;
      text-align: center;
      margin-bottom: 30px;
      color: var(--page-ax88-primary-color);
    }

    .page-ax88__section--dark .page-ax88__section-title {
      color: var(--page-ax88-accent-color);
    }

    .page-ax88__text-block {
      padding: 0 15px;
      margin-bottom: 20px;
    }

    .page-ax88__text-block p {
      margin-bottom: 15px;
    }

    /* Game Categories */
    .page-ax88__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      padding: 0 15px;
    }

    .page-ax88__game-card {
      background-color: var(--page-ax88-background-light);
      border: 1px solid var(--page-ax88-border-color);
      border-radius: 8px;
      text-align: center;
      padding: 20px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
    }

    .page-ax88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .page-ax88__game-icon {
      width: 100%;
      height: auto;
      max-width: 120px; /* Min size 200px. This is an icon, so I'll make it 200x200 by default */
      min-width: 200px; /* Enforcing minimum size */
      min-height: 200px;
      object-fit: contain;
      margin-bottom: 15px;
      border-radius: 8px;
    }

    .page-ax88__game-name {
      font-weight: bold;
      font-size: 1.1em;
      color: var(--page-ax88-text-dark);
    }

    /* Features/Benefits Grid */
    .page-ax88__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      padding: 0 15px;
    }

    .page-ax88__feature-item {
      background-color: var(--page-ax88-text-light);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
      text-align: center;
      border-left: 5px solid var(--page-ax88-primary-color);
    }

    .page-ax88__feature-item h3 {
      font-size: 1.4em;
      color: var(--page-ax88-primary-color);
      margin-bottom: 10px;
    }

    .page-ax88__feature-item p {
      color: var(--page-ax88-secondary-color);
    }

    /* How-To Steps */
    .page-ax88__steps-list {
      list-style: none;
      padding: 0 15px;
      counter-reset: step-counter;
    }

    .page-ax88__step-item {
      background-color: var(--page-ax88-text-light);
      padding: 20px 25px;
      margin-bottom: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
      position: relative;
      padding-left: 60px;
    }

    .page-ax88__step-item::before {
      content: counter(step-counter);
      counter-increment: step-counter;
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      background-color: var(--page-ax88-accent-color);
      color: var(--page-ax88-dark-bg);
      width: 35px;
      height: 35px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.2em;
    }

    .page-ax88__step-item h3 {
      margin-top: 0;
      color: var(--page-ax88-primary-color);
    }

    /* FAQ Section */
    .page-ax88__faq-section {
      padding: 40px 0;
      background-color: var(--page-ax88-background-light);
    }

    .page-ax88__faq-list {
      max-width: 800px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-ax88__faq-item {
      background-color: var(--page-ax88-text-light);
      border: 1px solid var(--page-ax88-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-ax88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #e9ecef;
      color: var(--page-ax88-text-dark);
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-ax88__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-ax88__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-ax88__faq-item.active .page-ax88__faq-toggle {
      transform: rotate(45deg); /* Change + to X (or similar) */
    }

    .page-ax88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.3s ease;
      color: var(--page-ax88-secondary-color);
    }

    .page-ax88__faq-item.active .page-ax88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-ax88__container {
        padding: 10px;
      }

      .page-ax88__hero-section {
        padding-top: 10px; /* Adjusted padding-top for fixed header on mobile */
      }

      .page-ax88__hero-title {
        font-size: 2em;
      }

      .page-ax88__hero-subtitle {
        font-size: 1em;
      }

      .page-ax88__section-title {
        font-size: 1.7em;
      }

      .page-ax88__game-categories {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }

      .page-ax88__game-icon {
        max-width: 100px;
        min-width: 150px; /* Still enforcing minimum size */
        min-height: 150px;
      }

      .page-ax88__features-grid {
        grid-template-columns: 1fr;
      }

      .page-ax88__floating-promo-button {
        bottom: 10px;
        right: 10px;
        padding: 12px 18px;
        font-size: 1em;
      }

      .page-ax88__step-item {
        padding-left: 50px;
      }

      .page-ax88__step-item::before {
        left: 10px;
        width: 30px;
        height: 30px;
        font-size: 1em;
      }

      .page-ax88__faq-question {
        padding: 12px 15px;
      }

      .page-ax88__faq-question h3 {
        font-size: 1em;
      }

      .page-ax88__faq-toggle {
        font-size: 1.3em;
      }

      .page-ax88__faq-answer {
        padding: 0 10px;
      }

      .page-ax88__faq-item.active .page-ax88__faq-answer {
        padding: 15px 10px !important;
      }

      /* Image responsiveness for mobile */
      .page-ax88 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-ax88__hero-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-ax88__game-icon {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-ax88__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }