:root {
      --page-ee88-primary-color: #007bff; /* Xanh dương */
      --page-ee88-secondary-color: #6c757d; /* Xám */
      --page-ee88-text-color: #333333; /* Đen nhạt */
      --page-ee88-heading-color: #1a1a1a; /* Đen đậm */
      --page-ee88-background-color: #f8f9fa; /* Xám nhạt */
      --page-ee88-card-background: #ffffff; /* Trắng */
      --page-ee88-border-color: #e0e0e0; /* Xám viền */
      --page-ee88-promo-color: #dc3545; /* Đỏ cho khuyến mãi */
      --page-ee88-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      --page-ee88-border-radius: 8px;
    }

    .page-ee88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-ee88-text-color);
      background-color: var(--page-ee88-background-color);
      padding-bottom: 80px; /* Để chừa chỗ cho nút nổi */
    }

    .page-ee88-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 15px;
    }

    .page-ee88-hero {
      position: relative;
      text-align: center;
      margin-bottom: 20px;
      overflow: hidden;
      border-radius: var(--page-ee88-border-radius);
    }

    .page-ee88-hero-banner {
      width: 100%;
      height: auto;
      max-height: 400px; /* Giới hạn chiều cao banner */
      object-fit: cover;
      display: block;
      margin: 0 auto;
    }

    .page-ee88-hero-content {
      position: relative;
      background-color: rgba(0, 0, 0, 0.6); /* Overlay cho dễ đọc chữ */
      color: #ffffff;
      padding: 20px;
      margin-top: -5px; /* Kéo lên một chút để nối banner */
      border-bottom-left-radius: var(--page-ee88-border-radius);
      border-bottom-right-radius: var(--page-ee88-border-radius);
    }

    .page-ee88-hero h1 {
      color: #ffffff;
      font-size: 2.2em;
      margin-bottom: 10px;
      line-height: 1.2;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    .page-ee88-hero p {
      font-size: 1.1em;
      margin-bottom: 20px;
    }

    .page-ee88-floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-ee88-promo-color);
      color: #ffffff;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      box-shadow: var(--page-ee88-shadow);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      white-space: nowrap; /* Đảm bảo nút không bị ngắt dòng */
    }

    .page-ee88-floating-button:hover {
      background-color: #c82333;
      transform: translateX(-50%) scale(1.05);
    }

    .page-ee88-section {
      background-color: var(--page-ee88-card-background);
      padding: 30px;
      margin-bottom: 20px;
      border-radius: var(--page-ee88-border-radius);
      box-shadow: var(--page-ee88-shadow);
    }

    .page-ee88-section h2 {
      color: var(--page-ee88-heading-color);
      font-size: 1.8em;
      margin-bottom: 20px;
      text-align: center;
      position: relative;
      padding-bottom: 10px;
    }

    .page-ee88-section h2::after {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: 0;
      width: 60px;
      height: 3px;
      background-color: var(--page-ee88-primary-color);
      border-radius: 2px;
    }

    .page-ee88-section h3 {
      color: var(--page-ee88-heading-color);
      font-size: 1.4em;
      margin-top: 25px;
      margin-bottom: 15px;
    }

    .page-ee88-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }

    .page-ee88-card {
      background-color: var(--page-ee88-background-color);
      border-radius: var(--page-ee88-border-radius);
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
      text-align: center;
      transition: transform 0.2s ease;
      display: flex;
      flex-direction: column;
    }

    .page-ee88-card:hover {
      transform: translateY(-5px);
    }

    .page-ee88-card-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    .page-ee88-card-content {
      padding: 15px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-ee88-card-content h4 {
      font-size: 1.2em;
      color: var(--page-ee88-primary-color);
      margin-bottom: 10px;
    }

    .page-ee88-card-content p {
      font-size: 0.95em;
      color: var(--page-ee88-secondary-color);
      margin-bottom: 15px;
    }

    .page-ee88-card-content .page-ee88-button {
      display: inline-block;
      background-color: var(--page-ee88-primary-color);
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      margin-top: auto; /* Đẩy nút xuống dưới cùng */
    }

    .page-ee88-card-content .page-ee88-button:hover {
      background-color: #0056b3;
    }

    .page-ee88-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-ee88-list li {
      background-color: var(--page-ee88-background-color);
      margin-bottom: 10px;
      padding: 15px;
      border-left: 5px solid var(--page-ee88-primary-color);
      border-radius: var(--page-ee88-border-radius);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }

    .page-ee88-faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--page-ee88-border-color);
      border-radius: var(--page-ee88-border-radius);
      overflow: hidden;
    }

    .page-ee88-faq-question {
      background-color: var(--page-ee88-primary-color);
      color: #ffffff;
      padding: 15px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }

    .page-ee88-faq-question:hover {
      background-color: #0056b3;
    }

    .page-ee88-faq-answer {
      background-color: var(--page-ee88-card-background);
      padding: 15px 20px;
      border-top: 1px solid var(--page-ee88-border-color);
      display: none;
      color: var(--page-ee88-text-color);
    }

    .page-ee88-faq-answer p {
      margin-bottom: 0;
    }

    .page-ee88-faq-question span {
      transition: transform 0.3s ease;
    }

    .page-ee88-faq-question.active span {
      transform: rotate(180deg);
    }

    .page-ee88-promo-box {
      background-color: #fff3cd; /* Màu vàng nhạt */
      border: 1px solid #ffeeba; /* Viền vàng */
      color: #856404; /* Chữ vàng đậm */
      padding: 20px;
      border-radius: var(--page-ee88-border-radius);
      margin-top: 20px;
      text-align: center;
    }

    .page-ee88-promo-box h3 {
      color: #856404;
      margin-top: 0;
    }

    .page-ee88-promo-box .page-ee88-button {
      background-color: var(--page-ee88-promo-color);
      color: #ffffff;
      margin-top: 15px;
    }

    .page-ee88-promo-box .page-ee88-button:hover {
      background-color: #c82333;
    }

    .page-ee88-text-center {
      text-align: center;
    }

    .page-ee88-text-highlight {
      color: var(--page-ee88-promo-color);
      font-weight: bold;
    }

    .page-ee88 a {
      color: var(--page-ee88-primary-color);
      text-decoration: none;
    }

    .page-ee88 a:hover {
      text-decoration: underline;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-ee88-hero h1 {
        font-size: 1.8em;
      }
      .page-ee88-hero p {
        font-size: 1em;
      }
      .page-ee88-section h2 {
        font-size: 1.5em;
      }
      .page-ee88-floating-button {
        padding: 12px 25px;
        font-size: 1em;
        width: 90%;
        max-width: 300px;
      }
      .page-ee88-grid {
        grid-template-columns: 1fr;
      }
    }