/* Biến CSS */
    :root {
      --page-king88-primary-color: #FFD700; /* Vàng */
      --page-king88-secondary-color: #4CAF50; /* Xanh lá */
      --page-king88-dark-bg: #1a1a1a; /* Nền tối */
      --page-king88-light-bg: #f5f5f5; /* Nền sáng */
      --page-king88-text-color: #ffffff; /* Văn bản sáng */
      --page-king88-dark-text-color: #333333; /* Văn bản tối */
      --page-king88-accent-color: #FF4500; /* Cam đỏ */
      --page-king88-border-radius: 8px;
      --page-king88-padding: 15px;
      --page-king88-margin: 20px;
    }

    /* Phong cách chung cho trang King 88.com */
    .page-king88 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-king88-dark-bg);
      color: var(--page-king88-text-color);
      line-height: 1.6;
      padding-bottom: 80px; /* Để chừa chỗ cho nút nổi */
    }

    .page-king88-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--page-king88-padding);
    }

    .page-king88 h1,
    .page-king88 h2,
    .page-king88 h3 {
      color: var(--page-king88-primary-color);
      text-align: center;
      margin-bottom: var(--page-king88-margin);
      font-weight: bold;
    }

    .page-king88 h1 {
      font-size: 2.5em;
      margin-top: var(--page-king88-margin);
    }

    .page-king88 h2 {
      font-size: 2em;
      color: var(--page-king88-secondary-color);
      padding-top: var(--page-king88-padding);
    }

    .page-king88 h3 {
      font-size: 1.5em;
      color: var(--page-king88-primary-color);
    }

    .page-king88 p {
      margin-bottom: 1em;
      text-align: justify;
    }

    .page-king88 a {
      color: var(--page-king88-primary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-king88 a:hover {
      color: var(--page-king88-accent-color);
    }

    .page-king88-section {
      background-color: #2a2a2a;
      padding: var(--page-king88-margin);
      margin-bottom: var(--page-king88-margin);
      border-radius: var(--page-king88-border-radius);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    /* Banner */
    .page-king88-banner {
      width: 100%;
      overflow: hidden;
      margin-bottom: var(--page-king88-margin);
      position: relative;
      background-color: var(--page-king88-dark-bg);
    }

    .page-king88-banner img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      object-position: center top; /* Đảm bảo banner ở trên, không ở dưới */
      max-height: 300px; /* Chiều cao tối đa cho banner */
    }

    /* Nút đăng nhập nổi */
    .page-king88-floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-king88-accent-color);
      color: var(--page-king88-text-color);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: flex;
      align-items: center;
      gap: 8px;
      border: 2px solid var(--page-king88-primary-color); /* Thêm viền nổi bật */
    }

    .page-king88-floating-button:hover {
      background-color: #e63900; /* Màu cam đỏ đậm hơn khi hover */
      transform: translateX(-50%) translateY(-3px);
    }

    /* Sản phẩm/Trò chơi */
    .page-king88-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: var(--page-king88-padding);
      margin-top: var(--page-king88-margin);
    }

    .page-king88-game-card {
      background-color: #3a3a3a;
      border-radius: var(--page-king88-border-radius);
      overflow: hidden;
      text-align: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      border: 1px solid rgba(255, 215, 0, 0.2); /* Viền nhẹ */
    }

    .page-king88-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
    }

    .page-king88-game-card img {
      width: 100%;
      height: 120px; /* Chiều cao cố định cho hình ảnh trò chơi */
      object-fit: cover;
      display: block;
    }

    .page-king88-game-card h3 {
      font-size: 1.1em;
      margin: 10px 5px;
      color: var(--page-king88-primary-color);
      text-align: center;
    }

    .page-king88-game-card a {
      display: block;
      color: var(--page-king88-primary-color);
      font-weight: bold;
      padding: 10px 5px;
      background-color: #4a4a4a;
      transition: background-color 0.3s ease;
    }

    .page-king88-game-card a:hover {
      background-color: var(--page-king88-secondary-color);
      color: var(--page-king88-text-color);
    }

    /* Danh sách ưu điểm */
    .page-king88-features-list {
      list-style: none;
      padding: 0;
      margin-top: var(--page-king88-margin);
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }

    .page-king88-features-list li {
      background-color: #3a3a3a;
      padding: var(--page-king88-padding);
      border-radius: var(--page-king88-border-radius);
      display: flex;
      align-items: center;
      gap: 10px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-king88-features-list li::before {
      content: '✔';
      color: var(--page-king88-secondary-color);
      font-weight: bold;
      font-size: 1.2em;
    }

    /* Responsive */
    @media (min-width: 600px) {
      .page-king88-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }
      .page-king88-features-list {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 900px) {
      .page-king88-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
      .page-king88-features-list {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 768px) {
      .page-king88 h1 {
        font-size: 2em;
      }
      .page-king88 h2 {
        font-size: 1.7em;
      }
      .page-king88-floating-button {
        width: calc(100% - 40px);
        bottom: 15px;
        padding: 10px 20px;
        font-size: 1em;
      }
    }