:root {
      --page-123bapp__primary-color: #FFD700; /* Vàng */
      --page-123bapp__secondary-color: #FFFFFF; /* Trắng */
      --page-123bapp__background-color: #000000; /* Đen */
      --page-123bapp__text-color: #FFFFFF; /* Trắng */
      --page-123bapp__accent-color: #FF4500; /* Cam đỏ */
    }

    .page-123bapp {
      background-color: var(--page-123bapp__background-color);
      color: var(--page-123bapp__text-color);
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-123bapp__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-123bapp__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-123bapp__section-dark {
      background-color: #1a1a1a;
    }

    .page-123bapp__section-title {
      font-size: 2.5em;
      color: var(--page-123bapp__primary-color);
      margin-bottom: 30px;
      text-transform: uppercase;
      font-weight: bold;
    }

    .page-123bapp__section-subtitle {
      font-size: 1.2em;
      color: var(--page-123bapp__secondary-color);
      margin-bottom: 40px;
    }

    /* Hero Section */
    .page-123bapp__hero-section {
      padding-top: 10px; /* An toàn cho header cố định */
      background-color: #000;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 500px; /* Đảm bảo đủ không gian cho banner */
    }

    .page-123bapp__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      margin-bottom: 20px;
    }

    .page-123bapp__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
      object-fit: contain; /* Giữ tỷ lệ gốc */
      box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
    }

    .page-123bapp__hero-content {
      padding: 20px;
      text-align: center;
      z-index: 1;
    }

    .page-123bapp__hero-title {
      font-size: 2.8em;
      color: var(--page-123bapp__primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-123bapp__hero-description {
      font-size: 1.1em;
      color: var(--page-123bapp__secondary-color);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-123bapp__button {
      display: inline-block;
      background-color: var(--page-123bapp__primary-color);
      color: var(--page-123bapp__background-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: 2px solid var(--page-123bapp__primary-color);
    }

    .page-123bapp__button:hover {
      background-color: var(--page-123bapp__accent-color);
      border-color: var(--page-123bapp__accent-color);
      transform: translateY(-3px);
    }

    /* Floating Login Button */
    .page-123bapp__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-123bapp__primary-color);
      color: var(--page-123bapp__background-color);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
      animation: pulse 2s infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      border: 2px solid var(--page-123bapp__primary-color);
    }

    .page-123bapp__floating-button:hover {
      background-color: var(--page-123bapp__accent-color);
      border-color: var(--page-123bapp__accent-color);
      animation: none;
    }

    @keyframes pulse {
      0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7); }
      70% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(255, 215, 0, 0); }
      100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 215, 0, 0); }
    }

    /* About Section */
    .page-123bapp__about-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 30px;
    }

    .page-123bapp__about-text {
      max-width: 800px;
      text-align: left;
      color: var(--page-123bapp__secondary-color);
    }

    .page-123bapp__about-text h3 {
      color: var(--page-123bapp__primary-color);
      font-size: 1.8em;
      margin-bottom: 15px;
      text-align: center;
    }

    .page-123bapp__about-text p {
      margin-bottom: 15px;
      font-size: 1.05em;
    }

    .page-123bapp__about-image-wrapper {
      width: 100%;
      max-width: 600px;
      overflow: hidden;
      box-sizing: border-box;
      border-radius: 8px;
      box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
    }

    .page-123bapp__about-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
      object-fit: cover;
    }

    /* Game Categories Section */
    .page-123bapp__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-123bapp__game-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 20px;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }

    .page-123bapp__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(255, 215, 0, 0.4);
    }

    .page-123bapp__game-card-image-wrapper {
      width: 100%;
      max-width: 200px; /* Giữ kích thước hợp lý cho gamelogo */
      height: auto;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
      border-radius: 5px;
    }

    .page-123bapp__game-card-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: contain;
      border-radius: 5px;
    }

    .page-123bapp__game-card-title {
      font-size: 1.4em;
      color: var(--page-123bapp__primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-123bapp__game-card-description {
      font-size: 0.95em;
      color: var(--page-123bapp__secondary-color);
      flex-grow: 1;
      margin-bottom: 15px;
    }

    /* Promotions Section */
    .page-123bapp__promo-card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-123bapp__promo-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 25px;
      text-align: left;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border-left: 5px solid var(--page-123bapp__primary-color);
    }

    .page-123bapp__promo-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(255, 215, 0, 0.4);
    }

    .page-123bapp__promo-card-title {
      font-size: 1.6em;
      color: var(--page-123bapp__primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-123bapp__promo-card-description {
      font-size: 1em;
      color: var(--page-123bapp__secondary-color);
      margin-bottom: 20px;
    }

    .page-123bapp__promo-card .page-123bapp__button {
      padding: 10px 20px;
      font-size: 0.9em;
    }

    /* FAQ Section */
    .page-123bapp__faq-list {
      max-width: 900px;
      margin: 30px auto 0 auto;
      text-align: left;
    }

    .page-123bapp__faq-item {
      background-color: #1a1a1a;
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-123bapp__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: #2a2a2a;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-123bapp__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-123bapp__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-123bapp__secondary-color);
      pointer-events: none; /* Ngăn chặn sự kiện click trên h3 */
      flex-grow: 1;
    }

    .page-123bapp__faq-toggle {
      font-size: 1.8em;
      color: var(--page-123bapp__primary-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn sự kiện click trên toggle */
    }

    .page-123bapp__faq-item.active .page-123bapp__faq-toggle {
      transform: rotate(45deg); /* Chuyển '+' thành 'x' hoặc '-' */
    }

    .page-123bapp__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-123bapp__secondary-color);
    }

    .page-123bapp__faq-item.active .page-123bapp__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-123bapp__hero-section {
        padding-top: 10px; /* An toàn cho header cố định */
        min-height: 400px;
      }

      .page-123bapp__hero-title {
        font-size: 2em;
      }

      .page-123bapp__hero-description {
        font-size: 1em;
      }

      .page-123bapp__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-123bapp__section-title {
        font-size: 2em;
      }

      .page-123bapp__section-subtitle {
        font-size: 1em;
      }

      .page-123bapp__about-content {
        flex-direction: column;
      }

      .page-123bapp__game-grid,
      .page-123bapp__promo-card-grid {
        grid-template-columns: 1fr;
      }

      .page-123bapp__faq-question {
        padding: 15px 20px;
      }

      .page-123bapp__faq-question h3 {
        font-size: 1.1em;
      }

      .page-123bapp__faq-answer {
        padding: 0 20px;
      }

      .page-123bapp__faq-item.active .page-123bapp__faq-answer {
        padding: 15px 20px !important;
      }

      .page-123bapp__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 0.9em;
      }
      
      /* Force responsive image styles */
      .page-123bapp__hero-image,
      .page-123bapp__about-image,
      .page-123bapp__game-card-image,
      .page-123bapp__promo-card-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-123bapp__hero-image-wrapper,
      .page-123bapp__about-image-wrapper,
      .page-123bapp__game-card-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }