/* CSS cho trang vip 66 */
    :root {
      --page-vip66-primary-color: #e44d26; /* Cam đỏ */
      --page-vip66-secondary-color: #f7b731; /* Vàng cam */
      --page-vip66-dark-bg: #1a1a1a; /* Nền tối */
      --page-vip66-light-bg: #ffffff; /* Nền sáng */
      --page-vip66-text-color: #333333; /* Màu chữ chính */
      --page-vip66-light-text-color: #ffffff; /* Màu chữ sáng */
      --page-vip66-accent-color: #4CAF50; /* Xanh lá nhấn mạnh */
    }

    .page-vip66 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-vip66-text-color);
      background-color: var(--page-vip66-light-bg);
      padding-bottom: 80px; /* Để chừa chỗ cho nút nổi */
    }

    .page-vip66-section {
      padding: 20px 15px;
      margin-bottom: 20px;
      border-radius: 8px;
    }

    .page-vip66-hero {
      position: relative;
      text-align: center;
      color: var(--page-vip66-light-text-color);
      padding: 20px 0 0; /* Giảm padding trên để banner ở trên */
      overflow: hidden;
    }

    .page-vip66-hero-banner {
      width: 100%;
      height: auto;
      max-height: 250px; /* Giới hạn chiều cao banner */
      object-fit: cover;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    .page-vip66-hero-content {
      position: relative;
      z-index: 10;
      padding: 15px;
      background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0) 100%);
      margin-top: -50px; /* Đẩy nội dung lên trên banner một chút */
      padding-top: 60px; /* Bù lại padding đã đẩy lên */
      color: var(--page-vip66-light-text-color);
    }

    .page-vip66-hero h1 {
      font-size: 2.2em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-vip66-secondary-color);
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    }

    .page-vip66-hero p {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
    }

    .page-vip66-btn-floating {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-vip66-primary-color);
      color: var(--page-vip66-light-text-color);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
      z-index: 1000;
      animation: page-vip66-pulse 1.5s infinite;
      transition: background-color 0.3s ease;
    }

    .page-vip66-btn-floating:hover {
      background-color: #cc421f;
    }

    @keyframes page-vip66-pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    .page-vip66-heading {
      color: var(--page-vip66-primary-color);
      text-align: center;
      margin-bottom: 25px;
      font-size: 1.8em;
      border-bottom: 2px solid var(--page-vip66-secondary-color);
      padding-bottom: 10px;
    }

    .page-vip66-subheading {
      color: var(--page-vip66-dark-bg);
      font-size: 1.4em;
      margin-top: 20px;
      margin-bottom: 15px;
      text-align: center;
    }

    .page-vip66-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 15px;
      margin-top: 20px;
    }

    .page-vip66-game-card {
      background-color: var(--page-vip66-light-bg);
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      transition: transform 0.2s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-vip66-game-card:hover {
      transform: translateY(-5px);
    }

    .page-vip66-game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
    }

    .page-vip66-game-card h3 {
      font-size: 1.1em;
      color: var(--page-vip66-primary-color);
      margin: 10px 5px;
    }

    .page-vip66-game-card p {
      font-size: 0.9em;
      color: var(--page-vip66-text-color);
      padding: 0 10px 10px;
    }

    .page-vip66-game-card a {
      display: block;
      padding: 8px;
      background-color: var(--page-vip66-accent-color);
      color: var(--page-vip66-light-text-color);
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-vip66-game-card a:hover {
      background-color: #45a049;
    }

    .page-vip66-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-vip66-list li {
      background-color: #f9f9f9;
      margin-bottom: 10px;
      padding: 12px 15px;
      border-left: 5px solid var(--page-vip66-primary-color);
      border-radius: 5px;
      font-size: 1em;
      color: var(--page-vip66-text-color);
    }

    .page-vip66-app-section {
      text-align: center;
      background-color: #eaf7ed;
      padding: 30px 15px;
      border-radius: 8px;
    }

    .page-vip66-app-section img {
      max-width: 150px;
      height: auto;
      margin-bottom: 15px;
      border: 1px solid #ddd;
      border-radius: 5px;
    }

    .page-vip66-app-section .page-vip66-btn {
      display: inline-block;
      background-color: var(--page-vip66-accent-color);
      color: var(--page-vip66-light-text-color);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      margin-top: 15px;
      transition: background-color 0.3s ease;
    }

    .page-vip66-app-section .page-vip66-btn:hover {
      background-color: #45a049;
    }

    .page-vip66-cta {
      text-align: center;
      padding: 30px 15px;
      background-color: var(--page-vip66-primary-color);
      color: var(--page-vip66-light-text-color);
      border-radius: 8px;
      margin-top: 30px;
    }

    .page-vip66-cta h2 {
      color: var(--page-vip66-secondary-color);
      margin-bottom: 15px;
      font-size: 1.8em;
    }

    .page-vip66-cta p {
      font-size: 1.1em;
      margin-bottom: 20px;
    }

    .page-vip66-cta .page-vip66-btn {
      background-color: var(--page-vip66-secondary-color);
      color: var(--page-vip66-primary-color);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }

    .page-vip66-cta .page-vip66-btn:hover {
      background-color: #f0a020;
    }

    .page-vip66-text-center {
      text-align: center;
    }

    .page-vip66-image-centered {
        display: block;
        margin: 0 auto 20px auto;
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-vip66-section {
        padding: 30px 20px;
      }
      .page-vip66-hero-banner {
        max-height: 400px;
      }
      .page-vip66-hero-content {
        padding-top: 80px;
        margin-top: -80px;
      }
      .page-vip66-hero h1 {
        font-size: 3em;
      }
      .page-vip66-hero p {
        font-size: 1.2em;
      }
      .page-vip66-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }
      .page-vip66-game-card img {
        height: 150px;
      }
      .page-vip66-btn-floating {
        padding: 18px 30px;
        font-size: 1.2em;
      }
    }