/* Tổng thể */
    .page-luck8 {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8f8f8;
      padding-bottom: 80px; /* Đảm bảo không bị che bởi footer */
    }

    .page-luck8__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-luck8__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-luck8__section:nth-of-type(even) {
      background-color: #f1f1f1;
    }

    .page-luck8__heading {
      color: #0056b3; /* Màu xanh đậm cho tiêu đề */
      margin-bottom: 20px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-luck8__sub-heading {
      color: #007bff; /* Màu xanh sáng hơn cho tiêu đề phụ */
      margin-bottom: 15px;
      font-size: 1.8em;
    }

    .page-luck8__text {
      font-size: 1.1em;
      margin-bottom: 15px;
      color: #555;
    }

    .page-luck8__highlight {
      font-weight: bold;
      color: #0056b3; /* Để các từ khóa nổi bật */
    }

    /* Hero Section */
    .page-luck8__hero-section {
      position: relative;
      width: 100%;
      min-height: 400px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      color: #fff;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      text-align: center;
      overflow: hidden;
      padding-top: 10px; /* Đảm bảo không bị che bởi header cố định */
      background-color: #003366; /* Fallback background color */
    }

    .page-luck8__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      filter: brightness(0.7); /* Làm tối ảnh nền để chữ nổi bật hơn */
      max-width: 100%; /* Responsive */
      height: auto; /* Responsive */
    }

    .page-luck8__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      max-width: 900px;
    }

    .page-luck8__hero-title {
      font-size: 3.5em;
      margin-bottom: 15px;
      line-height: 1.2;
      color: #fff;
    }

    .page-luck8__hero-description {
      font-size: 1.5em;
      margin-bottom: 30px;
      color: #eee;
    }

    /* Nút khuyến mãi nổi */
    .page-luck8__floating-promo {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #ffc107; /* Màu vàng nổi bật */
      color: #333;
      padding: 15px 25px;
      border-radius: 50px;
      font-weight: bold;
      font-size: 1.2em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.3s ease;
      text-decoration: none; /* Đảm bảo không có gạch chân */
      display: inline-block; /* Để padding và box-shadow hoạt động đúng */
      box-sizing: border-box; /* Quan trọng cho responsive */
    }

    .page-luck8__floating-promo:hover {
      background-color: #e0a800;
      transform: translateY(-3px);
    }

    /* Giới thiệu Luck8 */
    .page-luck8__intro-section .page-luck8__text {
      max-width: 800px;
      margin: 0 auto 15px auto;
    }

    /* Các trò chơi */
    .page-luck8__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-luck8__game-card {
      background-color: #fff;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
      box-sizing: border-box;
    }

    .page-luck8__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-luck8__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      max-width: 100%; /* Responsive */
      height: auto; /* Responsive */
    }

    .page-luck8__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-sizing: border-box;
    }

    .page-luck8__game-card-title {
      font-size: 1.5em;
      color: #0056b3;
      margin-bottom: 10px;
    }

    .page-luck8__game-card-description {
      font-size: 0.95em;
      color: #666;
      flex-grow: 1;
    }

    /* Khuyến mãi */
    .page-luck8__promo-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
      box-sizing: border-box;
    }

    .page-luck8__promo-item {
      background-color: #fff;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      padding: 25px;
      flex: 1 1 calc(33% - 40px);
      max-width: calc(33% - 40px);
      box-sizing: border-box;
      text-align: left;
    }

    .page-luck8__promo-item-title {
      font-size: 1.4em;
      color: #d9534f; /* Màu đỏ cho khuyến mãi */
      margin-bottom: 10px;
    }

    .page-luck8__promo-item-text {
      color: #555;
      font-size: 1em;
    }

    .page-luck8__cta-button {
      background-color: #28a745; /* Màu xanh lá cây */
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      font-size: 1.1em;
      font-weight: bold;
      margin-top: 30px;
      display: inline-block;
      cursor: pointer;
      transition: background-color 0.3s ease;
      border: none;
      text-decoration: none; /* Đảm bảo không có gạch chân */
      box-sizing: border-box;
    }

    .page-luck8__cta-button:hover {
      background-color: #218838;
    }

    /* Hướng dẫn nhanh */
    .page-luck8__guide-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      box-sizing: border-box;
    }

    .page-luck8__guide-step {
      background-color: #fff;
      border-left: 5px solid #007bff;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      text-align: left;
      box-sizing: border-box;
    }

    .page-luck8__guide-step-title {
      font-size: 1.3em;
      color: #007bff;
      margin-bottom: 10px;
    }

    .page-luck8__guide-step-text {
      color: #444;
    }

    /* FAQ Section */
    .page-luck8__faq-section {
      text-align: left;
    }

    .page-luck8__faq-list {
      max-width: 900px;
      margin: 30px auto 0 auto;
      box-sizing: border-box;
    }

    .page-luck8__faq-item {
      background-color: #fff;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-luck8__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #e9f5ff; /* Nền nhẹ cho câu hỏi */
      color: #0056b3;
      font-size: 1.2em;
      font-weight: bold;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      border-bottom: 1px solid #ddd;
      box-sizing: border-box;
    }

    .page-luck8__faq-question:hover {
      background-color: #d1e7ff;
    }

    .page-luck8__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Ngăn chặn sự kiện click trên h3 */
      color: #0056b3; /* Ensure contrast */
    }

    .page-luck8__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      pointer-events: none; /* Ngăn chặn sự kiện click trên icon */
      color: #0056b3; /* Ensure contrast */
    }

    .page-luck8__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: #444;
      background-color: #fcfcfc;
      box-sizing: border-box;
    }

    .page-luck8__faq-item.active .page-luck8__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px !important;
      opacity: 1;
    }

    .page-luck8__faq-item.active .page-luck8__faq-question {
      background-color: #d1e7ff;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-luck8__hero-title {
        font-size: 2.5em;
      }

      .page-luck8__hero-description {
        font-size: 1.2em;
      }

      .page-luck8__heading {
        font-size: 2em;
      }

      .page-luck8__sub-heading {
        font-size: 1.5em;
      }

      .page-luck8__floating-promo {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }

      .page-luck8__games-grid {
        grid-template-columns: 1fr;
      }

      .page-luck8__promo-item {
        flex: 1 1 100%;
        max-width: 100%;
      }

      .page-luck8__faq-question {
        font-size: 1.1em;
        padding: 12px 15px;
      }

      .page-luck8__faq-answer {
        padding: 0 15px;
      }

      .page-luck8__faq-item.active .page-luck8__faq-answer {
        padding: 15px !important;
      }

      /* Responsive list items */
      .page-luck8__promo-list,
      .page-luck8__guide-steps,
      .page-luck8__faq-list {
          width: 100% !important;
          max-width: 100% !important;
          padding: 0 10px !important; /* Adjust padding for smaller screens */
          margin-left: 0 !important;
          margin-right: 0 !important;
          box-sizing: border-box !important;
      }
      .page-luck8__promo-item,
      .page-luck8__guide-step,
      .page-luck8__faq-item {
          width: 100% !important;
          max-width: 100% !important;
          box-sizing: border-box !important;
          margin-left: 0 !important;
          margin-right: 0 !important;
          padding-left: 15px !important; /* Adjust padding for content */
          padding-right: 15px !important; /* Adjust padding for content */
          word-wrap: break-word !important;
          overflow-wrap: break-word !important;
          word-break: break-word !important;
      }
      .page-luck8__faq-question h3 {
          word-wrap: break-word !important;
          overflow-wrap: break-word !important;
          word-break: break-word !important;
      }
      .page-luck8__game-card-title {
          word-wrap: break-word !important;
          overflow-wrap: break-word !important;
          word-break: break-word !important;
      }
      .page-luck8__game-card-description {
          word-wrap: break-word !important;
          overflow-wrap: break-word !important;
          word-break: break-word !important;
      }
      /* Images responsive */
      .page-luck8__hero-image,
      .page-luck8__game-card-image {
          max-width: 100% !important;
          height: auto !important;
          box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-luck8__hero-title {
        font-size: 2em;
      }

      .page-luck8__hero-description {
        font-size: 1em;
      }

      .page-luck8__heading {
        font-size: 1.8em;
      }

      .page-luck8__sub-heading {
        font-size: 1.3em;
      }
    }