/* Tổng quan */
    .page-mb66 {
      font-family: 'Arial', sans-serif;
      color: #fefefe; /* Màu chữ sáng */
      background-color: #1a1a2e; /* Nền tối */
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Các phần chung */
    .page-mb66-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 15px;
    }

    .page-mb66-section {
      padding: 40px 0;
      text-align: center;
    }

    .page-mb66-section-dark {
      background-color: #0f0f1d; /* Nền tối hơn */
    }

    .page-mb66-title {
      font-size: 2.5em;
      margin-bottom: 20px;
      color: #e94560; /* Màu nhấn */
      font-weight: bold;
    }

    .page-mb66-subtitle {
      font-size: 1.8em;
      margin-bottom: 15px;
      color: #fefefe;
    }

    .page-mb66-text {
      font-size: 1.1em;
      margin-bottom: 20px;
    }

    .page-mb66-text-link {
        color: #e94560;
        text-decoration: none;
        font-weight: bold;
        transition: color 0.3s ease;
    }
    .page-mb66-text-link:hover {
        color: #ff6b8e;
        text-decoration: underline;
    }

    .page-mb66-button {
      display: inline-block;
      background-color: #e94560; /* Màu nhấn */
      color: #fefefe;
      padding: 12px 25px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-mb66-button:hover {
      background-color: #ff6b8e; /* Màu nhấn nhạt hơn khi hover */
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-mb66-hero {
      background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('[GALLERY:banner:mb66,hero,mobile_bg]') no-repeat center center/cover;
      padding: 80px 15px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 500px;
      text-align: center;
    }

    .page-mb66-hero-logo {
      width: 180px; /* Kích thước logo cho di động */
      height: auto;
      margin-bottom: 20px;
      display: block; /* Đảm bảo logo nằm giữa */
      margin-left: auto;
      margin-right: auto;
    }

    .page-mb66-hero h1 {
      font-size: 2.8em;
      color: #fff;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    }

    .page-mb66-hero p {
      font-size: 1.3em;
      color: #f0f0f0;
      margin-bottom: 30px;
      max-width: 600px;
      text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
    }

    /* Floating Buttons */
    .page-mb66-floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      width: calc(100% - 30px); /* Đảm bảo không tràn ra ngoài trên di động */
      max-width: 400px; /* Giới hạn chiều rộng trên màn hình lớn hơn */
      justify-content: center;
    }

    .page-mb66-floating-buttons .page-mb66-button {
      flex: 1;
      padding: 15px 10px; /* Tăng padding cho nút nổi */
      font-size: 1.2em;
      border-radius: 10px;
      white-space: nowrap; /* Ngăn chữ bị ngắt dòng */
      text-align: center;
    }

    /* Game Categories/Product Display */
    .page-mb66-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); /* Tối ưu cho di động */
      gap: 20px;
      margin-top: 30px;
    }

    .page-mb66-game-card {
      background-color: #2c2c44; /* Nền thẻ game */
      border-radius: 10px;
      padding: 20px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      min-height: 200px; /* Đảm bảo chiều cao tối thiểu */
    }

    .page-mb66-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    }

    .page-mb66-game-card img {
      max-width: 100px;
      height: auto;
      margin-bottom: 15px;
      border-radius: 5px;
    }

    .page-mb66-game-card h3 {
      font-size: 1.3em;
      color: #fefefe;
      margin-bottom: 10px;
    }

    .page-mb66-game-card a {
      color: #e94560;
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-mb66-game-card a:hover {
      color: #ff6b8e;
      text-decoration: underline;
    }

    /* Promotions Section */
    .page-mb66-promo-grid {
      display: grid;
      grid-template-columns: 1fr; /* Một cột trên di động */
      gap: 25px;
      margin-top: 30px;
    }

    .page-mb66-promo-card {
      background-color: #2c2c44;
      border-radius: 10px;
      overflow: hidden;
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-mb66-promo-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    }

    .page-mb66-promo-card img {
      width: 100%;
      height: 200px; /* Chiều cao cố định cho ảnh khuyến mãi */
      object-fit: cover;
    }

    .page-mb66-promo-content {
      padding: 20px;
    }

    .page-mb66-promo-content h3 {
      font-size: 1.5em;
      color: #e94560;
      margin-bottom: 10px;
    }

    .page-mb66-promo-content p {
      font-size: 1em;
      color: #ccc;
      margin-bottom: 15px;
    }

    /* Why Choose MB66 Section */
    .page-mb66-features-grid {
      display: grid;
      grid-template-columns: 1fr; /* Một cột trên di động */
      gap: 25px;
      margin-top: 30px;
    }

    .page-mb66-feature-item {
      background-color: #2c2c44;
      border-radius: 10px;
      padding: 25px;
      text-align: center;
    }

    .page-mb66-feature-item img { /* Placeholder for icon */
      width: 50px;
      height: 50px;
      object-fit: contain;
      margin-bottom: 15px;
    }

    .page-mb66-feature-item h3 {
      font-size: 1.4em;
      color: #fefefe;
      margin-bottom: 10px;
    }

    .page-mb66-feature-item p {
      color: #ccc;
    }

    /* Payment & Providers */
    .page-mb66-logos-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      gap: 15px;
      margin-top: 30px;
      align-items: center;
      justify-items: center;
    }

    .page-mb66-logos-grid img {
      max-width: 100%;
      height: 50px; /* Chiều cao cố định cho logo */
      object-fit: contain;
      filter: grayscale(80%) brightness(150%); /* Làm sáng và xám đi một chút */
      transition: filter 0.3s ease;
    }

    .page-mb66-logos-grid img:hover {
      filter: grayscale(0%) brightness(100%); /* Hiện màu khi hover */
    }

    /* Responsive adjustments */
    @media (min-width: 600px) {
      .page-mb66-hero h1 {
        font-size: 3.5em;
      }
      .page-mb66-hero p {
        font-size: 1.4em;
      }
      .page-mb66-title {
        font-size: 3em;
      }
      .page-mb66-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }
      .page-mb66-promo-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .page-mb66-features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .page-mb66-floating-buttons {
        gap: 25px;
        max-width: 500px;
      }
    }

    @media (min-width: 992px) {
      .page-mb66-hero {
        background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('[GALLERY:banner:mb66,hero,desktop_bg]') no-repeat center center/cover;
        min-height: 600px;
      }
      .page-mb66-hero h1 {
        font-size: 4.5em;
      }
      .page-mb66-hero-logo {
        width: 250px;
      }
      .page-mb66-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
      .page-mb66-promo-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .page-mb66-features-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .page-mb66-logos-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }
    }