:root {
      --page-ww88-primary-color: #f7b731; /* Vàng cam */
      --page-ww88-secondary-color: #2c3e50; /* Xám xanh đậm */
      --page-ww88-text-color: #333;
      --page-ww88-light-text-color: #f8f8f8;
      --page-ww88-background-color: #ecf0f1; /* Xám nhạt */
      --page-ww88-dark-background: #34495e; /* Xám đậm */
      --page-ww88-accent-color: #e74c3c; /* Đỏ cam */
      --page-ww88-border-radius: 8px;
    }

    .page-ww88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-ww88-text-color);
      background-color: var(--page-ww88-background-color);
      padding: 0;
      margin: 0;
      overflow-x: hidden;
    }

    .page-ww88__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
      box-sizing: border-box;
    }

    .page-ww88__section--dark {
      background-color: var(--page-ww88-dark-background);
      color: var(--page-ww88-light-text-color);
    }

    .page-ww88__section-title {
      text-align: center;
      color: var(--page-ww88-secondary-color);
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-ww88__section--dark .page-ww88__section-title {
      color: var(--page-ww88-primary-color);
    }

    .page-ww88__text-center {
      text-align: center;
    }

    .page-ww88__hero-section {
      position: relative;
      width: 100%;
      background-color: var(--page-ww88-dark-background);
      color: var(--page-ww88-light-text-color);
      padding-top: 10px; /* For fixed header */
      padding-bottom: 50px;
      text-align: center;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-ww88__hero-image {
      width: 100%;
      height: auto;
      max-width: 100%;
      display: block;
      margin: 0 auto;
      object-fit: cover;
      filter: brightness(0.7); /* Only for darkening, not color change */
      border-radius: var(--page-ww88-border-radius);
    }

    .page-ww88__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
    }

    .page-ww88__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      color: var(--page-ww88-primary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-ww88__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      color: var(--page-ww88-light-text-color);
    }

    .page-ww88__promo-button {
      display: inline-block;
      background-color: var(--page-ww88-accent-color);
      color: var(--page-ww88-light-text-color);
      padding: 15px 30px;
      border-radius: var(--page-ww88-border-radius);
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease;
      cursor: pointer;
      border: none;
    }

    .page-ww88__promo-button:hover {
      background-color: #c0392b;
    }

    .page-ww88__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-ww88-accent-color);
      color: var(--page-ww88-light-text-color);
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      animation: page-ww88__pulse 2s infinite;
      cursor: pointer;
      white-space: nowrap;
      border: none;
    }

    @keyframes page-ww88__pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    .page-ww88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-ww88__game-card {
      background-color: #fff;
      border-radius: var(--page-ww88-border-radius);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding-bottom: 20px;
    }

    .page-ww88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    }

    .page-ww88__game-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #eee;
    }

    .page-ww88__game-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .page-ww88__game-card:hover .page-ww88__game-image {
      transform: scale(1.05);
    }

    .page-ww88__game-title {
      font-size: 1.5em;
      color: var(--page-ww88-secondary-color);
      margin: 15px 10px 10px;
    }

    .page-ww88__game-description {
      font-size: 0.95em;
      color: #666;
      padding: 0 15px;
    }

    .page-ww88__info-list {
      list-style: none;
      padding: 0;
      margin: 30px 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }

    .page-ww88__info-item {
      background-color: #fff;
      padding: 25px;
      border-radius: var(--page-ww88-border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      text-align: center;
    }

    .page-ww88__info-item-title {
      color: var(--page-ww88-primary-color);
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-ww88__faq-container {
      margin-top: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-ww88__faq-item {
      background-color: #fff;
      margin-bottom: 15px;
      border-radius: var(--page-ww88-border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
      overflow: hidden;
    }

    .page-ww88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: var(--page-ww88-secondary-color);
      color: var(--page-ww88-light-text-color);
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      font-size: 1.1em;
      border-radius: var(--page-ww88-border-radius);
      transition: background-color 0.3s ease;
    }

    .page-ww88__faq-question:hover {
      background-color: #34495e;
    }

    .page-ww88__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-ww88__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-ww88__faq-item.active .page-ww88__faq-toggle {
      transform: rotate(45deg);
    }

    .page-ww88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px; /* Initial padding */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: #fcfcfc;
      color: var(--page-ww88-text-color);
      border-bottom-left-radius: var(--page-ww88-border-radius);
      border-bottom-right-radius: var(--page-ww88-border-radius);
    }

    .page-ww88__faq-item.active .page-ww88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important; /* Final padding */
      opacity: 1;
    }

    .page-ww88__cta-section {
      text-align: center;
      padding: 50px 20px;
      background-color: var(--page-ww88-primary-color);
      color: var(--page-ww88-dark-background);
    }

    .page-ww88__cta-title {
      font-size: 2.5em;
      margin-bottom: 20px;
      color: var(--page-ww88-dark-background);
    }

    .page-ww88__cta-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: #555;
    }

    .page-ww88__external-link-button {
      display: inline-block;
      background-color: var(--page-ww88-accent-color);
      color: var(--page-ww88-light-text-color);
      padding: 18px 40px;
      border-radius: var(--page-ww88-border-radius);
      font-size: 1.3em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-ww88__external-link-button:hover {
      background-color: #c0392b;
      transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-ww88__hero-section {
        padding-top: 10px; /* For fixed header on mobile */
      }

      .page-ww88__hero-title {
        font-size: 2.2em;
      }

      .page-ww88__hero-subtitle {
        font-size: 1.2em;
      }

      .page-ww88__section-title {
        font-size: 2em;
      }

      .page-ww88__game-grid {
        grid-template-columns: 1fr;
      }

      .page-ww88__info-list {
        grid-template-columns: 1fr;
      }

      .page-ww88__floating-button {
        width: calc(100% - 40px);
        left: 20px;
        transform: none;
        bottom: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-ww88__faq-question {
        padding: 15px 20px;
        font-size: 1em;
      }
      .page-ww88__faq-answer {
        padding: 0 20px;
      }
      .page-ww88__faq-item.active .page-ww88__faq-answer {
        padding: 15px 20px !important;
      }
      .page-ww88__cta-title {
        font-size: 2em;
      }
      .page-ww88__cta-description {
        font-size: 1em;
      }
      .page-ww88__external-link-button {
        padding: 15px 30px;
        font-size: 1.1em;
      }

      /* Image responsive optimization for mobile */
      .page-ww88 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-ww88__game-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }