/* Tổng quan */
    .page-lu88 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #000; /* Nền đen */
      color: #FFFFFF; /* Chữ trắng */
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-lu88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-lu88__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      border-radius: 8px;
      background-color: rgba(255, 255, 255, 0.05); /* Nền hơi trong suốt cho các phần */
    }

    .page-lu88__heading {
      color: #FFD700; /* Chữ vàng */
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-lu88__sub-heading {
      color: #FFFFFF;
      text-align: center;
      margin-bottom: 20px;
      font-size: 1.8em;
    }

    .page-lu88__text {
      font-size: 1em;
      margin-bottom: 15px;
      color: #E0E0E0;
    }

    .page-lu88__button {
      display: inline-block;
      background-color: #FFD700; /* Nút vàng */
      color: #000000; /* Chữ đen */
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-lu88__button:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-lu88__hero-section {
      text-align: center;
      padding-top: 140px; /* An toàn cho menu cố định */
      padding-bottom: 40px;
      background-color: #000;
      position: relative;
    }

    .page-lu88__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-lu88__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    .page-lu88__hero-content {
      padding: 0 20px;
    }

    .page-lu88__hero-title {
      font-size: 2.8em;
      color: #FFD700;
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-lu88__hero-description {
      font-size: 1.2em;
      color: #E0E0E0;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Nút đăng nhập nổi bật */
    .page-lu88__floating-login-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #FFD700;
      color: #000;
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
      z-index: 1000;
      animation: page-lu88__pulse 2s infinite;
      text-decoration: none;
      white-space: nowrap;
      cursor: pointer;
    }

    .page-lu88__floating-login-button:hover {
      background-color: #e6c200;
      transform: translateX(-50%) translateY(-3px);
      animation: none;
    }

    @keyframes page-lu88__pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.03); }
      100% { transform: translateX(-50%) scale(1); }
    }

    /* Giới thiệu lu 88 */
    .page-lu88__about-section .page-lu88__content-wrapper {
      display: flex;
      flex-direction: column;
      gap: 20px;
      align-items: center;
    }

    .page-lu88__about-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-lu88__about-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    .page-lu88__about-content {
      text-align: center;
    }

    /* Danh mục trò chơi */
    .page-lu88__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-lu88__game-card {
      background-color: rgba(255, 255, 255, 0.08);
      border-radius: 10px;
      padding: 20px;
      text-align: center;
      transition: transform 0.3s ease, background-color 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 180px;
    }

    .page-lu88__game-card:hover {
      transform: translateY(-5px);
      background-color: rgba(255, 215, 0, 0.15);
    }

    .page-lu88__game-icon-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
    }

    .page-lu88__game-icon {
      width: 100%;
      height: auto;
      max-width: 100px; /* Giới hạn kích thước biểu tượng */
      display: block;
      margin: 0 auto;
      border-radius: 5px;
    }

    .page-lu88__game-title {
      font-size: 1.2em;
      color: #FFD700;
      margin-top: 10px;
      font-weight: bold;
    }

    /* Nhà cung cấp game */
    .page-lu88__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-lu88__provider-item {
      background-color: rgba(255, 255, 255, 0.08);
      border-radius: 10px;
      padding: 15px;
      text-align: center;
      transition: transform 0.3s ease, background-color 0.3s ease;
      min-height: 100px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .page-lu88__provider-item:hover {
      transform: translateY(-3px);
      background-color: rgba(255, 215, 0, 0.1);
    }

    .page-lu88__provider-logo-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-lu88__provider-logo {
      max-width: 100px;
      height: auto;
      display: block;
      margin: 0 auto;
    }

    /* Hướng dẫn */
    .page-lu88__guide-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-lu88__guide-step {
      background-color: rgba(255, 255, 255, 0.08);
      border-radius: 10px;
      padding: 25px;
      text-align: center;
      border-bottom: 3px solid #FFD700;
    }

    .page-lu88__step-icon-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
    }

    .page-lu88__step-icon {
      max-width: 80px;
      height: auto;
      display: block;
      margin: 0 auto;
      filter: invert(0); /* Đảm bảo không thay đổi màu */
    }

    .page-lu88__step-title {
      font-size: 1.5em;
      color: #FFD700;
      margin-bottom: 10px;
    }

    .page-lu88__step-description {
      color: #E0E0E0;
    }

    /* Tin tức & Khuyến mãi */
    .page-lu88__articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-lu88__article-card {
      background-color: rgba(255, 255, 255, 0.08);
      border-radius: 10px;
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .page-lu88__article-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(255, 215, 0, 0.2);
    }

    .page-lu88__article-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-lu88__article-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-lu88__article-content {
      padding: 20px;
      flex-grow: 1;
    }

    .page-lu88__article-title {
      font-size: 1.3em;
      color: #FFD700;
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .page-lu88__article-excerpt {
      color: #E0E0E0;
      font-size: 0.95em;
    }

    /* FAQ Section */
    .page-lu88__faq-section {
      background-color: rgba(255, 255, 255, 0.05);
      border-radius: 8px;
      padding: 40px 20px;
      margin-top: 40px;
    }

    .page-lu88__faq-list {
      margin-top: 30px;
    }

    .page-lu88__faq-item {
      background-color: rgba(255, 255, 255, 0.08);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-lu88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      user-select: none;
      background-color: rgba(255, 255, 255, 0.1);
      transition: background-color 0.3s ease;
    }

    .page-lu88__faq-question:hover {
      background-color: rgba(255, 215, 0, 0.15);
    }

    .page-lu88__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: #FFD700;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
    }

    .page-lu88__faq-toggle {
      font-size: 1.5em;
      color: #FFD700;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
    }

    .page-lu88__faq-item.active .page-lu88__faq-toggle {
      transform: rotate(45deg); /* Biến đổi '+' thành 'x' hoặc '-' */
    }

    .page-lu88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: #E0E0E0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-lu88__faq-item.active .page-lu88__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px !important;
      opacity: 1;
    }

    /* Social Media */
    .page-lu88__social-media-section {
      text-align: center;
    }

    .page-lu88__social-icons {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 20px;
      margin-top: 30px;
    }

    .page-lu88__social-icon-link {
      display: block;
      width: 60px;
      height: 60px;
      background-color: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background-color 0.3s ease, transform 0.3s ease;
    }

    .page-lu88__social-icon-link:hover {
      background-color: #FFD700;
      transform: translateY(-5px);
    }

    .page-lu88__social-icon-link:hover img {
      filter: invert(1); /* Đảo màu icon khi hover để phù hợp với nền vàng */
    }

    .page-lu88__social-icon {
      width: 35px;
      height: 35px;
      object-fit: contain;
      filter: invert(0); /* Đảm bảo màu gốc, không thay đổi màu */
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-lu88__hero-section {
        padding-top: 140px; /* An toàn cho menu cố định trên di động */
      }

      .page-lu88__hero-title {
        font-size: 2em;
      }

      .page-lu88__hero-description {
        font-size: 1em;
      }

      .page-lu88__heading {
        font-size: 2em;
      }

      .page-lu88__sub-heading {
        font-size: 1.5em;
      }

      .page-lu88__game-categories,
      .page-lu88__providers-grid,
      .page-lu88__guide-steps,
      .page-lu88__articles-grid {
        grid-template-columns: 1fr;
      }

      .page-lu88__section {
        padding: 20px 15px;
      }

      .page-lu88__button {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-lu88__floating-login-button {
        bottom: 15px;
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-lu88__about-section .page-lu88__content-wrapper {
        flex-direction: column;
      }

      .page-lu88__faq-question {
        padding: 12px 15px;
      }

      .page-lu88__faq-question h3 {
        font-size: 1em;
      }

      .page-lu88__faq-answer {
        padding: 0 15px;
      }

      .page-lu88__faq-item.active .page-lu88__faq-answer {
        padding: 15px !important;
      }

      /* Force image responsive styles for mobile */
      .page-lu88__hero-image,
      .page-lu88__about-image,
      .page-lu88__game-icon,
      .page-lu88__provider-logo,
      .page-lu88__step-icon,
      .page-lu88__article-image,
      .page-lu88__social-icon {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-lu88__hero-image-wrapper,
      .page-lu88__about-image-wrapper,
      .page-lu88__game-icon-wrapper,
      .page-lu88__provider-logo-wrapper,
      .page-lu88__step-icon-wrapper,
      .page-lu88__article-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }