/* Reset và các biến cơ bản */
    :root {
      --page-kubetku-primary-color: #FFD700; /* Vàng */
      --page-kubetku-secondary-color: #FFFFFF; /* Trắng */
      --page-kubetku-background-color: #000000; /* Đen */
      --page-kubetku-text-color: #FFFFFF;
      --page-kubetku-dark-text-color: #000000;
    }

    .page-kubetku {
      font-family: 'Arial', sans-serif;
      color: var(--page-kubetku-text-color);
      background-color: var(--page-kubetku-background-color);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 150px; /* Vùng an toàn cho header cố định */
    }

    /* Responsive container */
    .page-kubetku__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-kubetku__hero-section {
      text-align: center;
      margin-bottom: 40px;
      padding-bottom: 20px;
      position: relative;
    }

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

    .page-kubetku__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px 15px;
      margin-top: -80px; /* Điều chỉnh để chồng lên ảnh một chút tạo hiệu ứng thị giác */
      background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.4));
      border-radius: 0 0 8px 8px;
    }

    .page-kubetku__hero-title {
      font-size: 2.5em;
      color: var(--page-kubetku-primary-color);
      margin-top: 10px;
      margin-bottom: 15px;
      line-height: 1.2;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    }

    .page-kubetku__hero-description {
      font-size: 1.1em;
      color: var(--page-kubetku-secondary-color);
      margin-bottom: 25px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-kubetku__text-link {
      color: var(--page-kubetku-primary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-kubetku__text-link:hover {
      color: #FFEA00;
      text-decoration: underline;
    }

    .page-kubetku__hero-button {
      display: inline-block;
      background-color: var(--page-kubetku-primary-color);
      color: var(--page-kubetku-dark-text-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    }

    .page-kubetku__hero-button:hover {
      background-color: #FFEA00;
      transform: translateY(-3px);
    }

    /* Floating Action Buttons */
    .page-kubetku__floating-buttons {
      position: fixed;
      right: 15px;
      bottom: 15px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .page-kubetku__floating-button {
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: var(--page-kubetku-primary-color);
      color: var(--page-kubetku-dark-text-color);
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.2s ease;
      min-width: 120px;
      text-align: center;
    }

    .page-kubetku__floating-button--login {
      background-color: #FF4500; /* Cam đỏ */
      color: var(--page-kubetku-secondary-color);
      box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
    }

    .page-kubetku__floating-button:hover {
      background-color: #FFEA00;
      transform: translateY(-3px);
    }

    .page-kubetku__floating-button--login:hover {
      background-color: #FF6347;
    }

    /* Section Styling */
    .page-kubetku__section {
      padding: 40px 0;
      margin-bottom: 30px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .page-kubetku__section-title {
      font-size: 2em;
      color: var(--page-kubetku-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-kubetku__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--page-kubetku-primary-color);
      border-radius: 2px;
    }

    .page-kubetku__text-content {
      font-size: 1em;
      color: var(--page-kubetku-secondary-color);
      margin-bottom: 20px;
      text-align: center;
    }

    /* Game Categories/Products */
    .page-kubetku__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-bottom: 40px;
    }

    .page-kubetku__game-card {
      background-color: rgba(255, 255, 255, 0.05);
      border-radius: 10px;
      padding: 15px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-decoration: none;
      color: inherit;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 180px; /* Đảm bảo các thẻ có chiều cao tối thiểu */
    }

    .page-kubetku__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(255, 215, 0, 0.2);
    }

    .page-kubetku__game-card-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 10px;
      object-fit: contain;
      max-width: 100%;
      height: auto;
    }

    .page-kubetku__game-card-title {
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-kubetku-primary-color);
      margin-top: 10px;
    }

    /* Featured Games / Product Display */
    .page-kubetku__featured-games {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .page-kubetku__game-item {
      background-color: rgba(255, 255, 255, 0.08);
      border-radius: 12px;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 4px 20px rgba(0,0,0,0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-kubetku__game-item:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
    }

    .page-kubetku__game-image-wrapper {
      width: 100%;
      height: 200px; /* Chiều cao cố định cho tính nhất quán */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: rgba(255, 255, 255, 0.03);
    }

    .page-kubetku__game-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .page-kubetku__game-item:hover .page-kubetku__game-image {
      transform: scale(1.05);
    }

    .page-kubetku__game-info {
      padding: 20px 15px;
    }

    .page-kubetku__game-title {
      font-size: 1.3em;
      color: var(--page-kubetku-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-kubetku__game-description {
      font-size: 0.95em;
      color: var(--page-kubetku-secondary-color);
      margin-bottom: 15px;
    }

    .page-kubetku__game-button {
      display: inline-block;
      background-color: #FF4500;
      color: var(--page-kubetku-secondary-color);
      padding: 10px 20px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
    }

    .page-kubetku__game-button:hover {
      background-color: #FF6347;
    }

    /* Game Providers Section */
    .page-kubetku__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: 15px;
      justify-items: center;
      align-items: center;
    }

    .page-kubetku__provider-logo {
      width: 100%;
      max-width: 120px;
      height: auto;
      object-fit: contain;
      padding: 10px;
      background-color: rgba(255, 255, 255, 0.03);
      border-radius: 8px;
      transition: transform 0.3s ease, background-color 0.3s ease;
    }

    .page-kubetku__provider-logo:hover {
      transform: scale(1.05);
      background-color: rgba(255, 215, 0, 0.1);
    }

    /* Testimonials/Why Choose Us */
    .page-kubetku__advantages-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
    }

    .page-kubetku__advantage-item {
      background-color: rgba(255, 255, 255, 0.05);
      padding: 25px;
      border-radius: 10px;
      text-align: center;
      transition: box-shadow 0.3s ease;
    }

    .page-kubetku__advantage-item:hover {
      box-shadow: 0 0 25px rgba(255, 215, 0, 0.2);
    }

    .page-kubetku__advantage-icon {
      width: 60px;
      height: 60px;
      margin-bottom: 15px;
      color: var(--page-kubetku-primary-color);
      font-size: 3em;
      display: inline-block;
      max-width: 100%;
      height: auto;
    }

    .page-kubetku__advantage-title {
      font-size: 1.2em;
      color: var(--page-kubetku-primary-color);
      margin-bottom: 10px;
    }

    .page-kubetku__advantage-description {
      font-size: 0.9em;
      color: var(--page-kubetku-secondary-color);
    }

    /* FAQ Section */
    .page-kubetku__faq-section {
      padding: 40px 0;
    }

    .page-kubetku__faq-item {
      background-color: rgba(255, 255, 255, 0.05);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
    }

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

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

    .page-kubetku__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      flex-grow: 1;
      text-align: left;
      color: var(--page-kubetku-primary-color);
      pointer-events: none; /* Ngăn h3 chặn sự kiện click trên div cha */
    }

    .page-kubetku__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      line-height: 1;
      width: 20px;
      text-align: center;
      pointer-events: none; /* Ngăn biểu tượng chuyển đổi chặn sự kiện click trên div cha */
    }

    .page-kubetku__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-kubetku-secondary-color);
    }

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

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-kubetku {
        padding-top: 100px; /* Điều chỉnh cho header cố định trên di động */
      }

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

      .page-kubetku__hero-description {
        font-size: 0.9em;
      }

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

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

      .page-kubetku__game-categories {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }

      .page-kubetku__game-card {
        min-height: 150px;
      }

      .page-kubetku__game-card-icon {
        width: 60px;
        height: 60px;
      }

      .page-kubetku__game-card-title {
        font-size: 1em;
      }

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

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

      .page-kubetku__game-title {
        font-size: 1.1em;
      }

      .page-kubetku__game-description {
        font-size: 0.85em;
      }

      .page-kubetku__providers-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      }

      .page-kubetku__provider-logo {
        max-width: 100px;
      }

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

      .page-kubetku__advantage-item {
        padding: 20px;
      }

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

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

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

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

      /* Buộc kiểu hình ảnh phản hồi cho di động */
      .page-kubetku img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-kubetku__game-image-wrapper,
      .page-kubetku__game-card-icon,
      .page-kubetku__provider-logo,
      .page-kubetku__advantage-icon {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }