/* CSS cho trang u8888 */
    .page-u8888 {
      font-family: 'Arial', sans-serif;
      color: #f0f0f0; /* Màu chữ sáng */
      background-color: #1a1a2e; /* Nền tối */
      line-height: 1.6;
      padding-bottom: 80px; /* Đảm bảo không bị nút nổi che */
    }

    .page-u8888 .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-u8888 .section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: #2c2c54; /* Nền phần tối hơn */
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-u8888 .hero-section {
      position: relative;
      background: url('[GALLERY:banner:u8888,hero,mobile]') no-repeat center center/cover;
      min-height: 300px; /* Chiều cao tối thiểu cho banner */
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding-top: 160px; /* Vùng an toàn cho banner */
      padding-bottom: 40px;
      border-radius: 0;
      box-shadow: none;
    }
    
    .page-u8888 .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5); /* Lớp phủ mờ */
        z-index: 1;
    }

    .page-u8888 .hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      padding: 20px;
    }

    .page-u8888 h1 {
      font-size: 2.5em;
      color: #e94560; /* Màu đỏ nổi bật */
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-u8888 h2 {
      font-size: 2em;
      color: #00b894; /* Màu xanh lá cây */
      margin-bottom: 20px;
      text-align: center;
    }

    .page-u8888 h3 {
      font-size: 1.5em;
      color: #e94560;
      margin-bottom: 15px;
    }

    .page-u8888 p {
      margin-bottom: 15px;
      color: #f0f0f0;
    }

    .page-u8888 .btn-primary {
      display: inline-block;
      background-color: #e94560;
      color: #ffffff;
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-u8888 .btn-primary:hover {
      background-color: #d1304b;
      transform: translateY(-2px);
    }

    .page-u8888 .floating-login-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      animation: pulse 2s infinite;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    }

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

    .page-u8888 .game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-items: center;
    }

    .page-u8888 .game-card {
      background-color: #3e3e70;
      border-radius: 8px;
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      width: 100%;
      max-width: 200px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    }

    .page-u8888 .game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
    }

    .page-u8888 .game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
    }

    .page-u8888 .game-card h4 {
      font-size: 1.1em;
      color: #f0f0f0;
      padding: 10px;
      margin: 0;
      background-color: #2c2c54;
    }

    .page-u8888 .game-card a {
      text-decoration: none;
      color: inherit;
    }

    .page-u8888 .provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      gap: 15px;
      margin-top: 30px;
      justify-items: center;
    }

    .page-u8888 .provider-logo {
      background-color: #3e3e70;
      border-radius: 8px;
      padding: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 60px;
      transition: transform 0.3s ease;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

    .page-u8888 .provider-logo:hover {
      transform: scale(1.05);
    }

    .page-u8888 .provider-logo img {
      max-width: 80%;
      max-height: 100%;
      object-fit: contain;
    }

    .page-u8888 .list-features {
      list-style: none;
      padding: 0;
      margin-top: 20px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
    }

    .page-u8888 .list-features li {
      background-color: #3e3e70;
      padding: 15px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    }

    .page-u8888 .list-features li::before {
      content: '✔';
      color: #00b894;
      font-weight: bold;
      font-size: 1.2em;
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-u8888 h1 {
        font-size: 3.5em;
      }
      .page-u8888 h2 {
        font-size: 2.5em;
      }
      .page-u8888 .hero-section {
        min-height: 400px;
        background-image: url('[GALLERY:banner:u8888,hero,desktop]'); /* Desktop banner */
      }
      .page-u8888 .game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }
      .page-u8888 .provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }
      .page-u8888 .list-features {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (min-width: 1024px) {
      .page-u8888 .container {
        padding: 20px 0;
      }
      .page-u8888 .list-features {
        grid-template-columns: repeat(3, 1fr);
      }
    }