:root {
      --page-hi88code-primary-color: #e44d26; /* Cam đỏ */
      --page-hi88code-secondary-color: #f7b731; /* Vàng cam */
      --page-hi88code-text-color: #333;
      --page-hi88code-light-text-color: #666;
      --page-hi88code-background-color: #f5f5f5;
      --page-hi88code-white-color: #fff;
      --page-hi88code-dark-bg-color: #2c3e50; /* Xám xanh đậm */
      --page-hi88code-border-color: #ddd;
    }

    .page-hi88code {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-hi88code-text-color);
      background-color: var(--page-hi88code-background-color);
      overflow-x: hidden;
    }

    .page-hi88code__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px 15px;
    }

    /* Hero Section */
    .page-hi88code__hero-section {
      position: relative;
      width: 100%;
      height: 60vh; /* Điều chỉnh chiều cao cho phù hợp */
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: var(--page-hi88code-white-color);
      overflow: hidden;
      padding-top: 10px; /* Cho khoảng trống để tránh bị che bởi header cố định */
      background-color: var(--page-hi88code-dark-bg-color); /* Fallback background */
    }

    .page-hi88code__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
      filter: brightness(0.6); /* Làm mờ ảnh để chữ nổi bật hơn */
    }

    .page-hi88code__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
      max-width: 90%;
    }

    .page-hi88code__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-hi88code-white-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-hi88code__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--page-hi88code-white-color);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
    }

    /* Floating Promotion Button */
    .page-hi88code__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-hi88code-primary-color);
      color: var(--page-hi88code-white-color);
      padding: 12px 25px;
      border-radius: 50px;
      text-align: center;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, background-color 0.3s ease;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-hi88code__floating-button:hover {
      background-color: #ff6a00;
      transform: translateY(-3px);
    }

    .page-hi88code__floating-button-icon {
      font-size: 1.4em;
    }

    /* Sections General */
    .page-hi88code__section {
      padding: 40px 0;
      background-color: var(--page-hi88code-white-color);
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-hi88code__section--dark {
      background-color: var(--page-hi88code-dark-bg-color);
      color: var(--page-hi88code-white-color);
    }

    .page-hi88code__section-title {
      font-size: 2em;
      color: var(--page-hi88code-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-hi88code__section-title--white {
      color: var(--page-hi88code-white-color);
    }

    .page-hi88code__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-hi88code-secondary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-hi88code__text-block {
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-hi88code__text-block p {
      margin-bottom: 10px;
    }

    /* Game Categories */
    .page-hi88code__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-hi88code__game-card {
      background-color: var(--page-hi88code-background-color);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-hi88code__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-hi88code__game-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Cố định chiều cao ảnh */
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 15px;
    }

    .page-hi88code__game-card-image {
      width: 100%;
      height: 100%;
      object-fit: cover; /* Đảm bảo ảnh phủ đầy khung */
      display: block;
      max-width: 100%; /* Important for responsiveness */
      height: auto; /* Important for responsiveness */
    }

    .page-hi88code__game-card-title {
      font-size: 1.4em;
      color: var(--page-hi88code-primary-color);
      margin-bottom: 10px;
      padding: 0 15px;
    }

    .page-hi88code__game-card-description {
      font-size: 0.95em;
      color: var(--page-hi88code-light-text-color);
      padding: 0 15px;
    }

    /* Call to Action */
    .page-hi88code__cta-section {
      text-align: center;
      background-color: var(--page-hi88code-secondary-color);
      padding: 50px 20px;
      border-radius: 8px;
      margin-bottom: 20px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-hi88code__cta-title {
      font-size: 2.2em;
      color: var(--page-hi88code-white-color);
      margin-bottom: 20px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
    }

    .page-hi88code__cta-description {
      font-size: 1.1em;
      color: var(--page-hi88code-white-color);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-hi88code__cta-button {
      background-color: var(--page-hi88code-primary-color);
      color: var(--page-hi88code-white-color);
      padding: 15px 35px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: inline-block;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-hi88code__cta-button:hover {
      background-color: #ff6a00;
      transform: translateY(-2px);
    }

    /* FAQ Section */
    .page-hi88code__faq-list {
      margin-top: 30px;
    }

    .page-hi88code__faq-item {
      background-color: var(--page-hi88code-white-color);
      border: 1px solid var(--page-hi88code-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .page-hi88code__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: #f9f9f9;
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-hi88code-text-color);
      transition: background-color 0.3s ease;
    }

    .page-hi88code__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-hi88code__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click event */
      color: var(--page-hi88code-text-color);
    }

    .page-hi88code__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-hi88code-primary-color);
      margin-left: 15px;
      pointer-events: none; /* Prevent span from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-hi88code__faq-item.active .page-hi88code__faq-toggle {
      transform: rotate(45deg); /* Change + to X-like or simply - */
      content: "−"; /* Visually change in JS */
    }

    .page-hi88code__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;
      color: var(--page-hi88code-light-text-color);
    }

    .page-hi88code__faq-item.active .page-hi88code__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain any content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-hi88code__faq-answer p {
      margin-bottom: 10px;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-hi88code__hero-section {
        height: 50vh;
        padding-top: 10px; /* Mobile: khoảng trống cho header cố định */
      }

      .page-hi88code__hero-title {
        font-size: 2em;
      }

      .page-hi88code__hero-subtitle {
        font-size: 1em;
      }

      .page-hi88code__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-hi88code__section {
        padding: 30px 0;
      }

      .page-hi88code__section-title {
        font-size: 1.8em;
      }

      .page-hi88code__game-grid {
        grid-template-columns: 1fr;
      }

      .page-hi88code__cta-title {
        font-size: 1.8em;
      }

      .page-hi88code__cta-description {
        font-size: 1em;
      }

      .page-hi88code__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-hi88code__faq-question {
        font-size: 1em;
        padding: 15px;
      }

      .page-hi88code__faq-answer {
        padding: 15px;
      }

      .page-hi88code__game-card-image-wrapper {
        height: 180px;
      }

      .page-hi88code__game-card-image {
        max-width: 100% !important;
        height: auto !important;
      }
    }

    @media (max-width: 480px) {
      .page-hi88code__hero-title {
        font-size: 1.6em;
      }

      .page-hi88code__hero-subtitle {
        font-size: 0.9em;
      }

      .page-hi88code__floating-button {
        bottom: 10px;
        right: 10px;
        padding: 8px 15px;
        font-size: 0.9em;
      }

      .page-hi88code__section-title {
        font-size: 1.5em;
      }

      .page-hi88code__cta-title {
        font-size: 1.6em;
      }

      .page-hi88code__cta-button {
        padding: 10px 20px;
        font-size: 1em;
      }
    }

    /* Ensure all images are responsive */
    .page-hi88code img {
      max-width: 100%;
      height: auto;
      display: block; /* Remove extra space below images */
    }

    .page-hi88code .page-hi88code__game-card-image {
      max-width: 100% !important;
      height: auto !important;
    }