/* Tổng quan */
    :root {
      --page-789betapp__primary-color: #f39c12; /* Màu cam */
      --page-789betapp__secondary-color: #2c3e50; /* Màu xanh đậm */
      --page-789betapp__accent-color: #e74c3c; /* Màu đỏ */
      --page-789betapp__text-color: #ecf0f1; /* Màu trắng xám */
      --page-789betapp__dark-text-color: #34495e; /* Màu chữ đậm */
      --page-789betapp__background-color: #1a2a3a; /* Nền tối */
      --page-789betapp__card-background: #2a4158; /* Nền thẻ */
      --page-789betapp__border-color: #34495e;
    }

    .page-789betapp {
      font-family: 'Arial', sans-serif;
      color: var(--page-789betapp__text-color);
      background-color: var(--page-789betapp__background-color);
      line-height: 1.6;
    }

    .page-789betapp__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    /* Tiêu đề chung */
    .page-789betapp__section-title {
      font-size: 2.5em;
      color: var(--page-789betapp__primary-color);
      text-align: center;
      margin-bottom: 30px;
      padding-top: 20px;
      font-weight: bold;
    }

    .page-789betapp__section-subtitle {
      font-size: 1.8em;
      color: var(--page-789betapp__text-color);
      text-align: center;
      margin-bottom: 20px;
    }

    /* Hero Section */
    .page-789betapp__hero-section {
      position: relative;
      width: 100%;
      height: 60vh; /* Chiều cao tương đối */
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      background-color: #000; /* Fallback */
      padding-top: 10px; /* Offset for fixed header */
    }

    .page-789betapp__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
      max-width: 100%; /* Đảm bảo hình ảnh không vượt quá chiều rộng */
      height: auto; /* Giữ tỷ lệ khung hình */
    }

    .page-789betapp__hero-content {
      position: relative;
      z-index: 2;
      color: #fff;
      padding: 20px;
      background-color: rgba(0, 0, 0, 0.5);
      border-radius: 10px;
    }

    .page-789betapp__hero-title {
      font-size: 2.8em;
      margin-bottom: 10px;
      color: var(--page-789betapp__primary-color);
      font-weight: bold;
      line-height: 1.2;
    }

    .page-789betapp__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 20px;
      color: #fff;
    }

    .page-789betapp__cta-button {
      display: inline-block;
      background-color: var(--page-789betapp__accent-color);
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      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-789betapp__cta-button:hover {
      background-color: #c0392b;
      transform: translateY(-3px);
    }

    /* Download Section */
    .page-789betapp__download-section {
      padding: 40px 0;
      text-align: center;
    }

    .page-789betapp__download-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 30px;
    }

    .page-789betapp__download-item {
      background-color: var(--page-789betapp__card-background);
      border-radius: 15px;
      padding: 30px 20px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      flex: 1 1 300px;
      max-width: 350px;
      transition: transform 0.3s ease;
    }

    .page-789betapp__download-item:hover {
      transform: translateY(-10px);
    }

    .page-789betapp__download-icon {
      width: 150px;
      height: 150px;
      margin-bottom: 20px;
      max-width: 100%;
      height: auto;
      border-radius: 10px;
    }

    .page-789betapp__download-item h3 {
      color: var(--page-789betapp__primary-color);
      font-size: 1.8em;
      margin-bottom: 15px;
    }

    .page-789betapp__download-item p {
      color: var(--page-789betapp__text-color);
      margin-bottom: 20px;
      font-size: 1.1em;
    }

    .page-789betapp__download-link {
      display: inline-block;
      background-color: var(--page-789betapp__primary-color);
      color: #fff;
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-789betapp__download-link:hover {
      background-color: #e67e22;
    }

    /* Game Showcase */
    .page-789betapp__game-showcase {
      padding: 40px 0;
    }

    .page-789betapp__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-789betapp__game-card {
      background-color: var(--page-789betapp__card-background);
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease;
    }

    .page-789betapp__game-card:hover {
      transform: translateY(-10px);
    }

    .page-789betapp__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      max-width: 100%;
      height: auto;
    }

    .page-789betapp__game-info {
      padding: 20px;
    }

    .page-789betapp__game-info h3 {
      color: var(--page-789betapp__primary-color);
      font-size: 1.5em;
      margin-bottom: 10px;
    }

    .page-789betapp__game-info p {
      color: var(--page-789betapp__text-color);
      font-size: 0.95em;
      margin-bottom: 15px;
    }

    /* Why Choose Section */
    .page-789betapp__why-choose-section {
      padding: 40px 0;
    }

    .page-789betapp__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-789betapp__feature-item {
      background-color: var(--page-789betapp__card-background);
      border-radius: 15px;
      padding: 25px;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
    }

    .page-789betapp__feature-item:hover {
      transform: translateY(-8px);
    }

    .page-789betapp__feature-icon {
      width: 100px;
      height: 100px;
      margin-bottom: 15px;
      max-width: 100%;
      height: auto;
      border-radius: 5px;
    }

    .page-789betapp__feature-item h3 {
      color: var(--page-789betapp__primary-color);
      font-size: 1.6em;
      margin-bottom: 10px;
    }

    .page-789betapp__feature-item p {
      color: var(--page-789betapp__text-color);
      font-size: 1em;
    }

    /* Call to Action Section */
    .page-789betapp__cta-section {
      background-color: var(--page-789betapp__secondary-color);
      padding: 50px 20px;
      text-align: center;
      margin-top: 40px;
      border-radius: 15px;
    }

    .page-789betapp__cta-section h2 {
      color: var(--page-789betapp__primary-color);
      font-size: 2.5em;
      margin-bottom: 20px;
    }

    .page-789betapp__cta-section p {
      color: #fff;
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* FAQ Section */
    .page-789betapp__faq-section {
      padding: 40px 0;
    }

    .page-789betapp__faq-list {
      margin-top: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-789betapp__faq-item {
      background-color: var(--page-789betapp__card-background);
      margin-bottom: 15px;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    .page-789betapp__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: var(--page-789betapp__secondary-color);
      color: var(--page-789betapp__primary-color);
      cursor: pointer;
      font-size: 1.2em;
      font-weight: bold;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-789betapp__faq-question:hover {
      background-color: #34495e;
    }

    .page-789betapp__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-789betapp__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-789betapp__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: var(--page-789betapp__text-color);
      background-color: var(--page-789betapp__card-background);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 1.05em;
    }

    .page-789betapp__faq-item.active .page-789betapp__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-789betapp__faq-item.active .page-789betapp__faq-toggle {
      content: '−';
    }

    /* Floating Login Button */
    .page-789betapp__floating-login {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-789betapp__accent-color);
      color: #fff;
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap; /* Prevent text wrapping */
    }

    .page-789betapp__floating-login:hover {
      background-color: #c0392b;
      transform: translateY(-5px);
    }

    .page-789betapp__floating-login-icon {
      width: 24px;
      height: 24px;
      max-width: 100%;
      height: auto;
      vertical-align: middle;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-789betapp__hero-section {
        height: 50vh;
        padding-top: 10px; /* Offset for fixed header */
      }
      .page-789betapp__hero-title {
        font-size: 2em;
      }
      .page-789betapp__hero-subtitle {
        font-size: 1.1em;
      }
      .page-789betapp__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-789betapp__section-title {
        font-size: 2em;
      }
      .page-789betapp__section-subtitle {
        font-size: 1.4em;
      }
      .page-789betapp__download-grid {
        flex-direction: column;
        align-items: center;
      }
      .page-789betapp__download-item {
        max-width: 90%;
      }
      .page-789betapp__game-grid {
        grid-template-columns: 1fr;
      }
      .page-789betapp__feature-grid {
        grid-template-columns: 1fr;
      }
      .page-789betapp__cta-section h2 {
        font-size: 2em;
      }
      .page-789betapp__cta-section p {
        font-size: 1em;
      }
      .page-789betapp__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
      }
      .page-789betapp__faq-answer {
        padding: 15px 20px;
      }
      .page-789betapp__floating-login {
        font-size: 0.9em;
        padding: 12px 20px;
        bottom: 15px;
        right: 15px;
      }
      /* 图片响应式优化 */
      .page-789betapp__hero-image,
      .page-789betapp__download-icon,
      .page-789betapp__game-image,
      .page-789betapp__feature-icon,
      .page-789betapp__floating-login-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
      }
    }