:root {
      --page-game789-primary-color: #e44d26; /* Cam đậm */
      --page-game789-secondary-color: #f7931e; /* Cam sáng */
      --page-game789-accent-color: #4CAF50; /* Xanh lá */
      --page-game789-dark-bg: #1a1a1a; /* Nền tối */
      --page-game789-light-bg: #ffffff; /* Nền sáng */
      --page-game789-text-color: #333333; /* Màu chữ chính */
      --page-game789-light-text: #f0f0f0; /* Màu chữ sáng */
      --page-game789-border-color: #e0e0e0;
    }

    .page-game789 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-game789-text-color);
      background-color: #f5f5f5;
    }

    .page-game789__hero-section {
      position: relative;
      width: 100%;
      height: 400px; /* Chiều cao cố định cho banner */
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: var(--page-game789-light-text);
      overflow: hidden;
      padding-top: 10px; /* Required to clear fixed header */
      background: linear-gradient(135deg, var(--page-game789-primary-color), var(--page-game789-secondary-color));
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-game789__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
      opacity: 0.3; /* Overlay to ensure text visibility */
    }

    .page-game789__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
      background-color: rgba(0, 0, 0, 0.4);
      border-radius: 10px;
    }

    .page-game789__hero-title {
      font-size: 2.8em;
      margin-bottom: 10px;
      color: #ffffff;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-game789__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 20px;
      color: #f0f0f0;
    }

    .page-game789__promo-button {
      display: inline-block;
      background-color: var(--page-game789-accent-color);
      color: #ffffff;
      padding: 15px 30px;
      border-radius: 8px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-game789__promo-button:hover {
      background-color: #45a049;
      transform: translateY(-3px);
    }

    .page-game789__floating-promo {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-game789-primary-color);
      color: #ffffff;
      padding: 12px 20px;
      border-radius: 50px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      font-size: 1.1em;
      font-weight: bold;
      z-index: 1000;
      cursor: pointer;
      animation: page-game789-pulse 2s infinite;
      text-align: center;
      text-decoration: none; /* Ensure it looks like a button */
      white-space: nowrap; /* Prevent text wrapping */
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .page-game789__floating-promo:hover {
      background-color: #cc4522;
    }

    @keyframes page-game789-pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    .page-game789__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
    }

    .page-game789__section--grey-bg {
      background-color: #f0f0f0;
    }

    .page-game789__section-title {
      font-size: 2.2em;
      color: var(--page-game789-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-game789__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-game789-accent-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-game789__text-content {
      font-size: 1.1em;
      color: var(--page-game789-text-color);
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-game789__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-game789__game-card {
      background-color: var(--page-game789-light-bg);
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-game789-border-color);
    }

    .page-game789__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-game789__game-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistent card appearance */
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #eee;
    }

    .page-game789__game-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    
    .page-game789__game-card:hover .page-game789__game-image {
      transform: scale(1.05);
    }

    .page-game789__game-info {
      padding: 20px;
    }

    .page-game789__game-title {
      font-size: 1.4em;
      color: var(--page-game789-primary-color);
      margin-bottom: 10px;
    }

    .page-game789__game-description {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
    }

    .page-game789__button {
      background-color: var(--page-game789-accent-color);
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 5px;
      font-size: 0.95em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-game789__button:hover {
      background-color: #45a049;
    }

    .page-game789__download-section {
      text-align: center;
      background-color: var(--page-game789-dark-bg);
      color: var(--page-game789-light-text);
      padding: 60px 20px;
    }

    .page-game789__download-title {
      font-size: 2.5em;
      margin-bottom: 20px;
      color: var(--page-game789-secondary-color);
    }

    .page-game789__download-description {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto 30px;
      color: #ccc;
    }

    .page-game789__download-buttons {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-game789__download-button {
      background-color: var(--page-game789-accent-color);
      color: #ffffff;
      padding: 15px 30px;
      border-radius: 8px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-game789__download-button:hover {
      background-color: #45a049;
      transform: translateY(-3px);
    }

    .page-game789__download-button img {
      width: 24px;
      height: 24px;
      max-width: 100%; /* Ensure responsive */
      height: auto;
    }

    .page-game789__faq-section {
      background-color: var(--page-game789-light-bg);
      padding: 60px 20px;
    }

    .page-game789__faq-list {
      max-width: 900px;
      margin: 30px auto 0;
    }

    .page-game789__faq-item {
      border: 1px solid var(--page-game789-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      background-color: #ffffff;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .page-game789__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: #f9f9f9;
      cursor: pointer;
      font-size: 1.15em;
      font-weight: bold;
      color: var(--page-game789-text-color);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-game789__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-game789__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-game789-text-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-game789__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-game789-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-game789__faq-item.active .page-game789__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }
    .page-game789__faq-item.active .page-game789__faq-toggle::before {
        content: '−'; /* Change to minus sign */
    }
    .page-game789__faq-item:not(.active) .page-game789__faq-toggle::before {
        content: '+'; /* Change to plus sign */
    }


    .page-game789__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: #555;
      font-size: 1em;
      background-color: #ffffff;
    }

    .page-game789__faq-item.active .page-game789__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-game789__faq-answer p {
      margin-bottom: 10px;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-game789__hero-section {
        height: 300px;
        padding-top: 10px; /* Mobile fixed header clearance */
      }

      .page-game789__hero-title {
        font-size: 2em;
      }

      .page-game789__hero-subtitle {
        font-size: 1em;
      }

      .page-game789__promo-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-game789__floating-promo {
        bottom: 15px;
        right: 15px;
        padding: 10px 15px;
        font-size: 0.9em;
      }
      
      .page-game789__floating-promo img {
        width: 20px;
        height: 20px;
      }

      .page-game789__section {
        padding: 30px 15px;
      }

      .page-game789__section-title {
        font-size: 1.8em;
      }

      .page-game789__text-content {
        font-size: 1em;
      }

      .page-game789__game-grid {
        grid-template-columns: 1fr;
      }

      .page-game789__game-image-wrapper {
        height: 180px;
      }

      .page-game789__game-title {
        font-size: 1.2em;
      }

      .page-game789__game-description {
        font-size: 0.9em;
      }

      .page-game789__download-title {
        font-size: 2em;
      }

      .page-game789__download-description {
        font-size: 1em;
      }

      .page-game789__download-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
      }

      .page-game789__faq-question h3 {
        font-size: 1em;
      }

      .page-game789__faq-toggle {
        font-size: 1.5em;
      }
      
      /* Image responsive optimization for mobile */
      .page-game789 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-game789__game-image-wrapper,
      .page-game789__download-buttons,
      .page-game789__hero-section {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-game789__hero-section {
        height: 250px;
      }

      .page-game789__hero-title {
        font-size: 1.6em;
      }

      .page-game789__hero-subtitle {
        font-size: 0.9em;
      }

      .page-game789__floating-promo {
        bottom: 10px;
        right: 10px;
        padding: 8px 12px;
        font-size: 0.8em;
      }
    }