:root {
      --page-casino-5mb-primary-color: #e44d26; /* Màu sắc rực rỡ cho chủ đề casino */
      --page-casino-5mb-secondary-color: #333;
      --page-casino-5mb-background-dark: #1a1a1a;
      --page-casino-5mb-background-light: #2c2c2c;
      --page-casino-5mb-text-color: #f5f5f5;
      --page-casino-5mb-accent-color: #ffe000; /* Vàng/gold cho các điểm nhấn */
      --page-casino-5mb-border-color: #444;
      --page-casino-5mb-spacing-small: 10px;
      --page-casino-5mb-spacing-medium: 20px;
      --page-casino-5mb-spacing-large: 40px;
    }

    .page-casino-5mb {
      font-family: 'Arial', sans-serif;
      color: var(--page-casino-5mb-text-color);
      background-color: var(--page-casino-5mb-background-dark);
      line-height: 1.6;
      overflow-x: hidden;
      padding-bottom: var(--page-casino-5mb-spacing-large); /* Đảm bảo khoảng trống phía trên footer */
    }

    /* Hero Section */
    .page-casino-5mb__hero-section {
      background-color: var(--page-casino-5mb-background-dark);
      padding: var(--page-casino-5mb-spacing-large) var(--page-casino-5mb-spacing-medium);
      text-align: center;
      position: relative;
      overflow: hidden;
      padding-top: 10px; /* Khoảng đệm nhỏ phía trên vì body đã xử lý bù trừ header */
    }

    .page-casino-5mb__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.3; /* Nền mờ ảo */
    }

    .page-casino-5mb__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-casino-5mb__hero-title {
      font-size: 2.8em;
      color: var(--page-casino-5mb-accent-color);
      margin-bottom: var(--page-casino-5mb-spacing-small);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-casino-5mb__hero-subtitle {
      font-size: 1.4em;
      color: var(--page-casino-5mb-text-color);
      margin-bottom: var(--page-casino-5mb-spacing-medium);
    }

    .page-casino-5mb__hero-cta-button {
      display: inline-block;
      background-color: var(--page-casino-5mb-primary-color);
      color: #fff;
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-casino-5mb__hero-cta-button:hover {
      background-color: #ff6f4d;
      transform: translateY(-2px);
    }

    /* Section common styles */
    .page-casino-5mb__section {
      padding: var(--page-casino-5mb-spacing-large) var(--page-casino-5mb-spacing-medium);
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-casino-5mb__section-title {
      font-size: 2.2em;
      color: var(--page-casino-5mb-accent-color);
      margin-bottom: var(--page-casino-5mb-spacing-large);
      position: relative;
      display: inline-block;
      padding-bottom: 10px;
    }

    .page-casino-5mb__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-casino-5mb-primary-color);
      border-radius: 2px;
    }

    /* Game Categories Section */
    .page-casino-5mb__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--page-casino-5mb-spacing-medium);
      margin-top: var(--page-casino-5mb-spacing-large);
    }

    .page-casino-5mb__game-card {
      background-color: var(--page-casino-5mb-background-light);
      border-radius: 12px;
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-casino-5mb-border-color);
      box-sizing: border-box;
      display: flex;
      flex-direction: column;
    }

    .page-casino-5mb__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    }

    .page-casino-5mb__game-card-image {
      width: 100%;
      height: 200px; /* Chiều cao cố định để nhất quán */
      object-fit: cover;
      display: block;
      max-width: 100%; /* Đảm bảo responsive */
      height: auto; /* Đảm bảo responsive */
    }
    
    .page-casino-5mb__game-card-content {
      padding: var(--page-casino-5mb-spacing-medium);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-casino-5mb__game-card-title {
      font-size: 1.5em;
      color: var(--page-casino-5mb-primary-color);
      margin-bottom: var(--page-casino-5mb-spacing-small);
    }

    .page-casino-5mb__game-card-description {
      font-size: 0.95em;
      color: var(--page-casino-5mb-text-color);
      margin-bottom: var(--page-casino-5mb-spacing-medium);
      flex-grow: 1;
    }

    .page-casino-5mb__game-card-button {
      display: inline-block;
      background-color: var(--page-casino-5mb-accent-color);
      color: var(--page-casino-5mb-secondary-color);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      margin-top: auto; /* Đẩy nút xuống dưới cùng */
    }

    .page-casino-5mb__game-card-button:hover {
      background-color: #ffed6e;
    }

    /* Promotions Section */
    .page-casino-5mb__promotions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: var(--page-casino-5mb-spacing-medium);
      margin-top: var(--page-casino-5mb-spacing-large);
    }

    .page-casino-5mb__promo-card {
      background-color: var(--page-casino-5mb-background-light);
      border-radius: 12px;
      overflow: hidden;
      text-align: left;
      border: 1px solid var(--page-casino-5mb-border-color);
      box-sizing: border-box;
      display: flex;
      flex-direction: column;
    }

    .page-casino-5mb__promo-card-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
      max-width: 100%; /* Đảm bảo responsive */
      height: auto; /* Đảm bảo responsive */
    }

    .page-casino-5mb__promo-card-content {
      padding: var(--page-casino-5mb-spacing-medium);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-casino-5mb__promo-card-title {
      font-size: 1.4em;
      color: var(--page-casino-5mb-accent-color);
      margin-bottom: var(--page-casino-5mb-spacing-small);
    }

    .page-casino-5mb__promo-card-description {
      font-size: 0.9em;
      color: var(--page-casino-5mb-text-color);
      margin-bottom: var(--page-casino-5mb-spacing-medium);
      flex-grow: 1;
    }

    .page-casino-5mb__promo-card-button {
      display: inline-block;
      background-color: var(--page-casino-5mb-primary-color);
      color: #fff;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      margin-top: auto;
    }

    .page-casino-5mb__promo-card-button:hover {
      background-color: #ff6f4d;
    }

    /* Why Choose Section */
    .page-casino-5mb__why-choose-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--page-casino-5mb-spacing-medium);
      margin-top: var(--page-casino-5mb-spacing-large);
    }

    .page-casino-5mb__why-choose-item {
      background-color: var(--page-casino-5mb-background-light);
      border-radius: 12px;
      padding: var(--page-casino-5mb-spacing-medium);
      text-align: center;
      border: 1px solid var(--page-casino-5mb-border-color);
      box-sizing: border-box;
    }

    .page-casino-5mb__why-choose-icon {
      width: 80px;
      height: 80px;
      margin-bottom: var(--page-casino-5mb-spacing-small);
      object-fit: contain;
      max-width: 100%; /* Đảm bảo responsive */
      height: auto; /* Đảm bảo responsive */
    }

    .page-casino-5mb__why-choose-title {
      font-size: 1.3em;
      color: var(--page-casino-5mb-primary-color);
      margin-bottom: var(--page-casino-5mb-spacing-small);
    }

    .page-casino-5mb__why-choose-description {
      font-size: 0.95em;
      color: var(--page-casino-5mb-text-color);
    }

    /* FAQ Section */
    .page-casino-5mb__faq-section {
      background-color: var(--page-casino-5mb-background-dark);
      padding: var(--page-casino-5mb-spacing-large) var(--page-casino-5mb-spacing-medium);
      max-width: 900px;
      margin: 0 auto;
      text-align: center;
    }

    .page-casino-5mb__faq-item {
      background-color: var(--page-casino-5mb-background-light);
      border: 1px solid var(--page-casino-5mb-border-color);
      border-radius: 8px;
      margin-bottom: var(--page-casino-5mb-spacing-small);
      overflow: hidden;
      box-sizing: border-box;
      word-wrap: break-word; /* Đảm bảo văn bản ngắt dòng */
      overflow-wrap: break-word; /* Đảm bảo văn bản ngắt dòng */
    }

    .page-casino-5mb__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      color: var(--page-casino-5mb-accent-color);
      background-color: #3a3a3a;
      transition: background-color 0.3s ease;
      text-align: left;
    }

    .page-casino-5mb__faq-question:hover {
      background-color: #4a4a4a;
    }

    .page-casino-5mb__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-casino-5mb-accent-color);
      pointer-events: none; /* Ngăn h3 chặn sự kiện click */
      flex-grow: 1;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-casino-5mb__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-casino-5mb-primary-color);
      margin-left: var(--page-casino-5mb-spacing-small);
      pointer-events: none; /* Ngăn biểu tượng toggle chặn sự kiện click */
      width: 20px; /* Cố định chiều rộng */
      text-align: center;
    }

    .page-casino-5mb__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Giảm padding cho trạng thái ban đầu */
      color: var(--page-casino-5mb-text-color);
      text-align: left;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-casino-5mb__faq-item.active .page-casino-5mb__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa nội dung */
      padding: 20px !important; /* Padding đầy đủ khi hoạt động */
      opacity: 1;
    }

    .page-casino-5mb__faq-item.active .page-casino-5mb__faq-toggle {
      color: var(--page-casino-5mb-primary-color); /* Giữ màu */
    }

    /* Call to Action Section */
    .page-casino-5mb__cta-section {
      background-color: var(--page-casino-5mb-primary-color);
      padding: var(--page-casino-5mb-spacing-large) var(--page-casino-5mb-spacing-medium);
      text-align: center;
      color: #fff;
    }

    .page-casino-5mb__cta-title {
      font-size: 2em;
      margin-bottom: var(--page-casino-5mb-spacing-small);
    }

    .page-casino-5mb__cta-description {
      font-size: 1.1em;
      margin-bottom: var(--page-casino-5mb-spacing-medium);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-casino-5mb__cta-button {
      display: inline-block;
      background-color: var(--page-casino-5mb-accent-color);
      color: var(--page-casino-5mb-secondary-color);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-casino-5mb__cta-button:hover {
      background-color: #ffed6e;
      transform: translateY(-2px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-casino-5mb__hero-title {
        font-size: 2em;
      }

      .page-casino-5mb__hero-subtitle {
        font-size: 1.1em;
      }

      .page-casino-5mb__section-title {
        font-size: 1.8em;
      }

      .page-casino-5mb__game-grid,
      .page-casino-5mb__promotions-grid,
      .page-casino-5mb__why-choose-grid {
        grid-template-columns: 1fr;
        gap: var(--page-casino-5mb-spacing-small);
      }

      /* Điều chỉnh các mục danh sách trên di động */
      .page-casino-5mb__game-card,
      .page-casino-5mb__promo-card,
      .page-casino-5mb__why-choose-item,
      .page-casino-5mb__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 0 !important; /* Đặt lại padding cho các thẻ, nội dung bên trong sẽ có padding riêng */
      }

      .page-casino-5mb__game-card-content,
      .page-casino-5mb__promo-card-content,
      .page-casino-5mb__why-choose-item {
        padding: var(--page-casino-5mb-spacing-small) !important;
      }

      .page-casino-5mb__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-casino-5mb__faq-question h3 {
        font-size: 1em;
      }

      .page-casino-5mb__faq-answer {
        padding: 0 15px; /* Điều chỉnh padding cho di động */
      }
      .page-casino-5mb__faq-item.active .page-casino-5mb__faq-answer {
        padding: 15px !important; /* Điều chỉnh padding cho trạng thái hoạt động trên di động */
      }

      .page-casino-5mb__cta-title {
        font-size: 1.5em;
      }

      .page-casino-5mb__cta-description {
        font-size: 1em;
      }
      
      /* Hình ảnh responsive */
      .page-casino-5mb__hero-background,
      .page-casino-5mb__game-card-image,
      .page-casino-5mb__promo-card-image,
      .page-casino-5mb__why-choose-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }