/* CSS cho trang hello88 */
    :root {
      --page-hello88-primary-color: #f39c12; /* Màu cam */
      --page-hello88-secondary-color: #e74c3c; /* Màu đỏ */
      --page-hello88-dark-bg: #1a1a2e; /* Nền tối */
      --page-hello88-light-text: #ecf0f1; /* Chữ sáng */
      --page-hello88-accent-color: #2ecc71; /* Màu xanh lá cây */
      --page-hello88-card-bg: #22253b;
      --page-hello88-border-color: #34495e;
    }

    .page-hello88 {
      font-family: 'Arial', sans-serif;
      color: var(--page-hello88-light-text);
      background-color: var(--page-hello88-dark-bg);
      line-height: 1.6;
      padding-bottom: 80px; /* Để chừa chỗ cho nút nổi */
    }

    .page-hello88-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-hello88-section {
      padding: 40px 0;
      text-align: center;
    }

    .page-hello88-section h2 {
      font-size: 2.2em;
      margin-bottom: 20px;
      color: var(--page-hello88-primary-color);
      position: relative;
      padding-bottom: 10px;
    }

    .page-hello88-section h2::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: var(--page-hello88-secondary-color);
      border-radius: 2px;
    }

    .page-hello88-hero {
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 300px;
      padding: 20px 0;
    }

    .page-hello88-hero img {
      width: 100%;
      height: auto;
      max-height: 400px; /* Giới hạn chiều cao banner */
      object-fit: cover;
      display: block;
    }

    .page-hello88-hero-content {
      position: relative; /* Đảm bảo nội dung nằm trên banner */
      z-index: 10;
      text-align: center;
      padding: 20px;
      background: linear-gradient(to bottom, rgba(26, 26, 46, 0.7), rgba(26, 26, 46, 0.9));
      width: 100%;
      box-sizing: border-box;
    }

    .page-hello88-hero h1 {
      font-size: 2.5em;
      color: var(--page-hello88-primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-hello88-hero p {
      font-size: 1.1em;
      margin-bottom: 25px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: var(--page-hello88-light-text);
    }

    .page-hello88-btn {
      display: inline-block;
      background-color: var(--page-hello88-secondary-color);
      color: var(--page-hello88-light-text);
      padding: 12px 25px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      font-size: 1.1em;
      border: none;
      cursor: pointer;
    }

    .page-hello88-btn:hover {
      background-color: #c0392b; /* Màu đỏ đậm hơn */
      transform: translateY(-2px);
    }

    .page-hello88-floating-btn {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-hello88-primary-color);
      color: var(--page-hello88-dark-bg); /* Chữ tối trên nền sáng */
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      animation: page-hello88-pulse 2s infinite;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-hello88-floating-btn:hover {
      background-color: #e67e22; /* Màu cam đậm hơn */
      animation: none;
    }

    @keyframes page-hello88-pulse {
      0% { transform: translateX(-50%) scale(1); box-shadow: 0 0 0 0 rgba(243, 156, 18, 0.7); }
      70% { transform: translateX(-50%) scale(1.05); box-shadow: 0 0 0 20px rgba(243, 156, 18, 0); }
      100% { transform: translateX(-50%) scale(1); box-shadow: 0 0 0 0 rgba(243, 156, 18, 0); }
    }

    .page-hello88-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
      padding: 0 15px;
    }

    .page-hello88-game-card {
      background-color: var(--page-hello88-card-bg);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
      border: 1px solid var(--page-hello88-border-color);
    }

    .page-hello88-game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    }

    .page-hello88-game-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    .page-hello88-game-card-content {
      padding: 20px;
    }

    .page-hello88-game-card h3 {
      font-size: 1.4em;
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-hello88-game-card h3 a {
      color: var(--page-hello88-primary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-hello88-game-card h3 a:hover {
      color: var(--page-hello88-accent-color);
    }

    .page-hello88-game-card p {
      font-size: 0.95em;
      color: var(--page-hello88-light-text);
      margin-bottom: 15px;
    }

    .page-hello88-game-card .page-hello88-btn {
      padding: 8px 18px;
      font-size: 0.9em;
      border-radius: 5px;
      background-color: var(--page-hello88-accent-color);
    }

    .page-hello88-game-card .page-hello88-btn:hover {
      background-color: #27ae60;
    }

    .page-hello88-benefits-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
      padding: 0 15px;
    }

    .page-hello88-benefit-item {
      background-color: var(--page-hello88-card-bg);
      padding: 25px;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      text-align: center;
      border: 1px solid var(--page-hello88-border-color);
    }

    .page-hello88-benefit-item img {
      width: 60px;
      height: 60px;
      object-fit: contain;
      margin-bottom: 15px;
    }

    .page-hello88-benefit-item h3 {
      font-size: 1.3em;
      color: var(--page-hello88-light-text);
      margin-bottom: 10px;
    }

    .page-hello88-benefit-item p {
      font-size: 0.9em;
      color: var(--page-hello88-light-text);
    }

    .page-hello88-news-list {
      margin-top: 30px;
      padding: 0 15px;
    }

    .page-hello88-news-item {
      background-color: var(--page-hello88-card-bg);
      border-radius: 8px;
      margin-bottom: 20px;
      padding: 20px;
      text-align: left;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
      border: 1px solid var(--page-hello88-border-color);
    }

    .page-hello88-news-item h3 {
      font-size: 1.3em;
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-hello88-news-item h3 a {
      color: var(--page-hello88-primary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-hello88-news-item h3 a:hover {
      color: var(--page-hello88-accent-color);
    }

    .page-hello88-news-item p {
      font-size: 0.9em;
      color: var(--page-hello88-light-text);
    }

    .page-hello88-promo-link {
      color: var(--page-hello88-accent-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-hello88-promo-link:hover {
      color: var(--page-hello88-primary-color);
      text-decoration: underline;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-hello88-section h2 {
        font-size: 1.8em;
      }

      .page-hello88-hero h1 {
        font-size: 2em;
      }

      .page-hello88-hero p {
        font-size: 1em;
      }

      .page-hello88-btn {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-hello88-floating-btn {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-hello88-game-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 480px) {
      .page-hello88-section {
        padding: 30px 0;
      }
      .page-hello88-section h2 {
        font-size: 1.6em;
      }
      .page-hello88-hero h1 {
        font-size: 1.8em;
      }
      .page-hello88-hero p {
        font-size: 0.9em;
      }
      .page-hello88-floating-btn {
        bottom: 15px;
        padding: 10px 20px;
        font-size: 1em;
      }
    }