:root {
      --page-game66club-primary-color: #e44d26; /* Màu chủ đạo: Đỏ cam */
      --page-game66club-secondary-color: #333; /* Màu phụ: Đen xám */
      --page-game66club-accent-color: #f7b731; /* Màu nhấn: Vàng */
      --page-game66club-background-light: #f5f5f5; /* Nền sáng */
      --page-game66club-background-dark: #2c3e50; /* Nền tối: Xanh xám đậm */
      --page-game66club-text-light: #fff; /* Chữ sáng */
      --page-game66club-text-dark: #333; /* Chữ tối */
      --page-game66club-border-color: #ddd; /* Màu viền */
      --page-game66club-border-radius: 8px; /* Bo góc */
      --page-game66club-padding-section: 40px 20px; /* Padding cho các section */
      --page-game66club-max-width: 1200px; /* Chiều rộng tối đa */
    }

    .page-game66club {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-game66club-text-dark);
      background-color: var(--page-game66club-background-light);
    }

    .page-game66club__container {
      max-width: var(--page-game66club-max-width);
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-game66club__section {
      padding: var(--page-game66club-padding-section);
      margin-bottom: 20px;
      background-color: #fff;
      border-radius: var(--page-game66club-border-radius);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    .page-game66club__section--dark {
      background-color: var(--page-game66club-background-dark);
      color: var(--page-game66club-text-light);
    }

    .page-game66club__heading {
      color: var(--page-game66club-primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-game66club__heading--light {
      color: var(--page-game66club-accent-color);
    }

    .page-game66club__subheading {
      color: var(--page-game66club-secondary-color);
      text-align: center;
      margin-bottom: 20px;
      font-size: 1.8em;
    }

    .page-game66club__paragraph {
      margin-bottom: 15px;
      font-size: 1.1em;
      text-align: justify;
    }

    .page-game66club__button {
      display: inline-block;
      padding: 15px 30px;
      background-color: var(--page-game66club-primary-color);
      color: var(--page-game66club-text-light);
      text-decoration: none;
      border-radius: 50px;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      text-align: center;
    }

    .page-game66club__button:hover {
      background-color: #d43b18;
      transform: translateY(-2px);
    }

    .page-game66club__button-group {
      text-align: center;
      margin-top: 30px;
    }

    /* Hero Section */
    .page-game66club__hero-section {
      background-color: var(--page-game66club-background-dark);
      color: var(--page-game66club-text-light);
      text-align: center;
      padding: 10px 20px 60px 20px; /* Đảm bảo khoảng cách với header cố định */
      border-radius: var(--page-game66club-border-radius);
      margin-bottom: 20px;
      position: relative;
      overflow: hidden;
    }

    .page-game66club__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: url('[GALLERY:background:hero,game66club,banner]') no-repeat center center/cover;
      opacity: 0.3;
      z-index: 1;
    }

    .page-game66club__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-game66club__hero-title {
      font-size: 3.2em;
      margin-bottom: 20px;
      color: var(--page-game66club-accent-color);
      line-height: 1.2;
    }

    .page-game66club__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      opacity: 0.9;
    }

    /* Game List Section */
    .page-game66club__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-game66club__game-card {
      background-color: #fff;
      border-radius: var(--page-game66club-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .page-game66club__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
    }

    .page-game66club__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-game66club__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-game66club__game-card-title {
      font-size: 1.5em;
      color: var(--page-game66club-primary-color);
      margin-bottom: 10px;
    }

    .page-game66club__game-card-description {
      font-size: 0.95em;
      color: var(--page-game66club-secondary-color);
      margin-bottom: 15px;
      flex-grow: 1;
    }

    /* Download Section */
    .page-game66club__download-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
    }

    .page-game66club__download-step {
      display: flex;
      align-items: center;
      gap: 20px;
      background-color: #f9f9f9;
      padding: 20px;
      border-radius: var(--page-game66club-border-radius);
      box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    }

    .page-game66club__download-step-number {
      font-size: 2.5em;
      font-weight: bold;
      color: var(--page-game66club-primary-color);
      flex-shrink: 0;
    }

    .page-game66club__download-step-content h3 {
      font-size: 1.5em;
      color: var(--page-game66club-secondary-color);
      margin-bottom: 5px;
    }

    .page-game66club__download-step-content p {
      font-size: 1em;
      color: var(--page-game66club-text-dark);
    }

    .page-game66club__download-qr-code {
      text-align: center;
      margin-top: 40px;
    }

    .page-game66club__download-qr-code img {
      max-width: 250px;
      height: auto;
      border: 5px solid var(--page-game66club-primary-color);
      border-radius: var(--page-game66club-border-radius);
      box-sizing: border-box;
    }

    .page-game66club__download-qr-code p {
      margin-top: 15px;
      font-size: 1.1em;
      font-weight: bold;
    }

    /* Floating Promotion Button */
    .page-game66club__floating-promo {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-game66club-accent-color);
      color: var(--page-game66club-background-dark);
      padding: 12px 25px;
      border-radius: 50px;
      font-weight: bold;
      font-size: 1.1em;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      animation: page-game66club__pulse 1.5s infinite;
      white-space: nowrap; /* Ngăn chặn xuống dòng */
    }

    .page-game66club__floating-promo:hover {
      background-color: #e6a72c;
      transform: translateX(-50%) translateY(-2px);
    }

    @keyframes page-game66club__pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.03); }
      100% { transform: translateX(-50%) scale(1); }
    }

    /* FAQ Section */
    .page-game66club__faq-list {
      margin-top: 30px;
    }

    .page-game66club__faq-item {
      background-color: #f9f9f9;
      margin-bottom: 10px;
      border-radius: var(--page-game66club-border-radius);
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    }

    .page-game66club__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #eee;
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      color: var(--page-game66club-secondary-color);
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }

    .page-game66club__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-game66club__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Ngăn h3 chặn sự kiện click */
      font-size: 1.2em; /* Đảm bảo dễ đọc */
      color: var(--page-game66club-primary-color);
    }

    .page-game66club__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn biểu tượng chặn sự kiện click */
      color: var(--page-game66club-primary-color);
    }

    .page-game66club__faq-item.active .page-game66club__faq-toggle {
      transform: rotate(45deg); /* Chuyển dấu cộng thành dấu gạch ngang */
    }

    .page-game66club__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: var(--page-game66club-text-dark);
    }

    .page-game66club__faq-item.active .page-game66club__faq-answer {
      max-height: 2000px !important; /* Giá trị đủ lớn để chứa nội dung */
      padding: 20px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-game66club__hero-title {
        font-size: 2.5em;
      }

      .page-game66club__hero-description {
        font-size: 1.1em;
      }

      .page-game66club__heading {
        font-size: 2em;
      }

      .page-game66club__subheading {
        font-size: 1.5em;
      }

      .page-game66club__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-game66club__section {
        padding: 30px 15px;
      }

      .page-game66club__game-grid {
        grid-template-columns: 1fr;
      }

      .page-game66club__game-card-image {
        height: 180px;
      }

      .page-game66club__download-step {
        flex-direction: column;
        text-align: center;
        gap: 10px;
      }

      .page-game66club__download-step-number {
        font-size: 2em;
      }

      .page-game66club__download-step-content h3 {
        font-size: 1.3em;
      }

      .page-game66club__download-step-content p {
        font-size: 0.95em;
      }

      .page-game66club__floating-promo {
        width: calc(100% - 40px);
        bottom: 15px;
        font-size: 1em;
        padding: 10px 20px;
        box-sizing: border-box;
      }

      .page-game66club__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-game66club__faq-question h3 {
        font-size: 1.1em;
      }

      .page-game66club__faq-answer {
        padding: 0 15px;
      }

      .page-game66club__faq-item.active .page-game66club__faq-answer {
        padding: 15px !important;
      }

      /* Điều chỉnh responsive cho các mục danh sách */
      .page-game66club__game-grid > .page-game66club__game-card,
      .page-game66club__download-steps > .page-game66club__download-step,
      .page-game66club__faq-list > .page-game66club__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-game66club__paragraph {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }

    @media (max-width: 480px) {
      .page-game66club__hero-title {
        font-size: 2em;
      }
      .page-game66club__hero-description {
        font-size: 1em;
      }
      .page-game66club__heading {
        font-size: 1.8em;
      }
      .page-game66club__subheading {
        font-size: 1.3em;
      }
    }