/* Tổng quan */
    .page-hi88 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f9f9f9;
      padding-bottom: 80px; /* Để chừa chỗ cho nút nổi */
    }

    /* Tiêu đề */
    .page-hi88__main-heading {
      color: #0056b3;
      text-align: center;
      margin-bottom: 20px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-hi88__sub-heading {
      color: #0056b3;
      font-size: 1.8em;
      margin-top: 30px;
      margin-bottom: 15px;
      padding-left: 15px;
      border-left: 5px solid #0056b3;
    }

    /* Phần Hero */
    .page-hi88__hero-section {
      position: relative;
      width: 100%;
      overflow: hidden;
      text-align: center;
      color: #fff;
      padding-top: 10px; /* Khoảng cách cho thanh nav cố định */
    }

    .page-hi88__hero-image-wrapper {
      position: relative;
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-hi88__hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      filter: brightness(0.8); /* Làm tối ảnh để chữ nổi bật */
    }

    .page-hi88__hero-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 90%;
      max-width: 800px;
      background-color: rgba(0, 0, 0, 0.5);
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-hi88__hero-title {
      font-size: 2.2em;
      margin-bottom: 10px;
      color: #ffd700;
    }

    .page-hi88__hero-description {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #e0e0e0;
    }

    .page-hi88__primary-button {
      display: inline-block;
      background-color: #ff4500;
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-hi88__primary-button:hover {
      background-color: #e03e00;
      transform: translateY(-2px);
    }

    /* Phần nội dung chính */
    .page-hi88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-hi88__section {
      background-color: #fff;
      padding: 30px;
      margin-bottom: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-hi88__text-content {
      font-size: 1.05em;
      line-height: 1.8;
      margin-bottom: 15px;
    }

    .page-hi88__highlight-text {
      color: #0056b3;
      font-weight: bold;
    }

    /* Danh sách trò chơi */
    .page-hi88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }

    .page-hi88__game-card {
      background-color: #f0f8ff;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-hi88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-hi88__game-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Chiều cao cố định cho ảnh */
    }

    .page-hi88__game-image {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
    }

    .page-hi88__game-title {
      font-size: 1.3em;
      color: #0056b3;
      margin: 15px 10px 10px;
      font-weight: bold;
    }

    .page-hi88__game-description {
      font-size: 0.95em;
      color: #555;
      padding: 0 15px;
    }

    /* Hướng dẫn */
    .page-hi88__steps-list {
      list-style: none;
      padding: 0;
    }

    .page-hi88__step-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 20px;
      background-color: #e6f7ff;
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-hi88__step-number {
      font-size: 1.5em;
      font-weight: bold;
      color: #ff4500;
      background-color: #fff;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      display: flex;
      justify-content: center;
      align-items: center;
      flex-shrink: 0;
      margin-right: 15px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }

    .page-hi88__step-content h3 {
      font-size: 1.2em;
      color: #0056b3;
      margin-top: 0;
      margin-bottom: 5px;
    }

    .page-hi88__step-content p {
      margin-bottom: 0;
    }

    /* FAQ Section */
    .page-hi88__faq-section {
      background-color: #fff;
      padding: 30px;
      margin-bottom: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-hi88__faq-item {
      border-bottom: 1px solid #eee;
      margin-bottom: 10px;
    }

    .page-hi88__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }

    .page-hi88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      background-color: #f5f5f5;
      cursor: pointer;
      user-select: none;
      border-radius: 5px;
      transition: background-color 0.3s ease;
    }

    .page-hi88__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-hi88__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: #333;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
    }

    .page-hi88__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: #0056b3;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn span chặn sự kiện click */
    }

    .page-hi88__faq-item.active .page-hi88__faq-toggle {
      transform: rotate(45deg); /* Biến dấu '+' thành 'x' hoặc '-' */
    }

    .page-hi88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: #ffffff;
      border-radius: 0 0 5px 5px;
      color: #555;
    }

    .page-hi88__faq-item.active .page-hi88__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Nút nổi đăng nhập */
    .page-hi88__floating-login-button {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: #ff4500;
      color: #fff;
      text-align: center;
      padding: 15px 0;
      font-size: 1.2em;
      font-weight: bold;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      cursor: pointer;
      display: block; /* Mặc định hiển thị */
      transition: background-color 0.3s ease;
    }

    .page-hi88__floating-login-button:hover {
      background-color: #e03e00;
    }

    /* Responsive cho di động */
    @media (max-width: 768px) {
      .page-hi88__hero-section {
        padding-top: 10px; /* Khoảng cách cho thanh nav cố định trên di động */
      }

      .page-hi88__hero-content {
        width: 95%;
        padding: 15px;
      }

      .page-hi88__hero-title {
        font-size: 1.8em;
      }

      .page-hi88__hero-description {
        font-size: 1em;
      }

      .page-hi88__primary-button {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-hi88__main-heading {
        font-size: 2em;
      }

      .page-hi88__sub-heading {
        font-size: 1.5em;
      }

      .page-hi88__section {
        padding: 20px;
      }

      .page-hi88__game-grid {
        grid-template-columns: 1fr;
      }

      .page-hi88__game-image-wrapper {
        height: 180px;
      }

      .page-hi88__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .page-hi88__step-number {
        margin-right: 0;
        margin-bottom: 10px;
      }

      .page-hi88__faq-question {
        padding: 12px;
      }

      .page-hi88__faq-question h3 {
        font-size: 1em;
      }

      .page-hi88__faq-answer {
        padding: 15px 12px !important;
      }

      .page-hi88__floating-login-button {
        font-size: 1em;
        padding: 12px 0;
      }

      /* Responsive image optimization */
      .page-hi88__hero-image,
      .page-hi88__game-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-hi88__hero-image-wrapper,
      .page-hi88__game-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }