/* Tổng quan */
    :root {
      --page-88online-primary-color: #e44d26; /* Cam đậm */
      --page-88online-secondary-color: #ff8c00; /* Cam sáng */
      --page-88online-dark-color: #333333; /* Đen xám */
      --page-88online-light-color: #ffffff; /* Trắng */
      --page-88online-background-light: #f8f8f8; /* Nền nhạt */
      --page-88online-text-color: #333333;
      --page-88online-accent-color: #007bff; /* Xanh dương */
      --page-88online-success-color: #28a745; /* Xanh lá */
      --page-88online-warning-color: #ffc107; /* Vàng */
      --page-88online-error-color: #dc3545; /* Đỏ */
    }

    .page-88online {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-88online-text-color);
      background-color: var(--page-88online-background-light);
      padding: 0;
      margin: 0;
    }

    .page-88online-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-88online-section {
      padding: 40px 0;
      text-align: center;
    }

    .page-88online-section:nth-of-type(even) {
      background-color: var(--page-88online-light-color);
    }

    .page-88online-title {
      font-size: 2.2em;
      color: var(--page-88online-primary-color);
      margin-bottom: 25px;
      font-weight: bold;
    }

    .page-88online-subtitle {
      font-size: 1.6em;
      color: var(--page-88online-dark-color);
      margin-bottom: 20px;
    }

    .page-88online-text {
      font-size: 1.1em;
      margin-bottom: 20px;
    }

    /* Nút chung */
    .page-88online-button {
      display: inline-block;
      background-color: var(--page-88online-primary-color);
      color: var(--page-88online-light-color);
      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: 1em;
    }

    .page-88online-button:hover {
      background-color: var(--page-88online-secondary-color);
      transform: translateY(-2px);
    }

    /* Phần Hero/Banner */
    .page-88online-hero {
      background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('[GALLERY:banner:88online,cá cược,khuyến mãi,di động]') center top / cover no-repeat;
      color: var(--page-88online-light-color);
      padding: 80px 15px 40px; /* Thêm padding trên để banner không bị sát top */
      min-height: 300px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      position: relative;
    }
    
    .page-88online-hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.6) 100%);
      z-index: 1;
    }

    .page-88online-hero-content {
      position: relative;
      z-index: 2;
      max-width: 700px;
    }

    .page-88online-hero h1 {
      font-size: 2.8em;
      margin-bottom: 15px;
      font-weight: 900;
      color: var(--page-88online-light-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-88online-hero p {
      font-size: 1.2em;
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    /* Nút Đăng nhập/Đăng ký nổi */
    .page-88online-floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      animation: page-88online-pulse 1.5s infinite;
    }

    @keyframes page-88online-pulse {
      0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(228, 77, 38, 0.7); }
      70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(228, 77, 38, 0); }
      100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(228, 77, 38, 0); }
    }

    /* Lưới trò chơi */
    .page-88online-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-items: center; /* Đảm bảo các mục con được căn giữa */
    }

    .page-88online-game-card {
      background-color: var(--page-88online-light-color);
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      padding: 15px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      max-width: 200px; /* Giới hạn chiều rộng thẻ */
    }

    .page-88online-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    }

    .page-88online-game-card img {
      width: 100%;
      max-width: 120px;
      height: auto;
      border-radius: 8px;
      margin-bottom: 10px;
    }

    .page-88online-game-card h3 {
      font-size: 1.2em;
      color: var(--page-88online-primary-color);
      margin-bottom: 5px;
    }

    .page-88online-game-card a {
      color: var(--page-88online-dark-color);
      text-decoration: none;
      font-weight: bold;
    }

    .page-88online-game-card a:hover {
      color: var(--page-88online-primary-color);
    }

    /* Danh sách tính năng/lợi ích */
    .page-88online-feature-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
      text-align: left;
    }

    .page-88online-feature-list li {
      background-color: var(--page-88online-light-color);
      padding: 15px 20px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: center;
      font-size: 1.1em;
      color: var(--page-88online-dark-color);
    }

    .page-88online-feature-list li::before {
      content: '✔';
      color: var(--page-88online-success-color);
      font-weight: bold;
      margin-right: 10px;
      font-size: 1.2em;
    }

    /* Hướng dẫn */
    .page-88online-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
    }

    .page-88online-step-card {
      background-color: var(--page-88online-light-color);
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      text-align: left;
    }

    .page-88online-step-card h4 {
      font-size: 1.3em;
      color: var(--page-88online-secondary-color);
      margin-bottom: 10px;
    }

    .page-88online-step-card p {
      font-size: 1em;
      color: var(--page-88online-text-color);
    }

    /* Footer bổ sung (nếu có) */
    .page-88online-extra-footer {
      background-color: var(--page-88online-dark-color);
      color: var(--page-88online-light-color);
      padding: 20px 0;
      text-align: center;
      font-size: 0.9em;
    }

    /* Responsive */
    @media (min-width: 768px) {
      .page-88online-hero {
        min-height: 400px;
        padding: 120px 15px 60px;
      }
      .page-88online-hero h1 {
        font-size: 3.5em;
      }
      .page-88online-hero p {
        font-size: 1.4em;
      }
      .page-88online-title {
        font-size: 2.8em;
      }
      .page-88online-subtitle {
        font-size: 1.8em;
      }
      .page-88online-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }
      .page-88online-feature-list {
        grid-template-columns: 1fr 1fr;
      }
      .page-88online-steps {
        flex-direction: row;
      }
    }

    @media (min-width: 1024px) {
      .page-88online-hero {
        min-height: 500px;
        padding: 150px 15px 80px;
      }
      .page-88online-hero h1 {
        font-size: 4em;
      }
      .page-88online-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
      .page-88online-feature-list {
        grid-template-columns: repeat(3, 1fr);
      }
    }