:root {
      --page-kubet-primary-color: #e44d26; /* Màu sắc chủ đạo */
      --page-kubet-secondary-color: #f7931e; /* Màu phụ đạo */
      --page-kubet-dark-background: #1a1a1a; /* Nền tối */
      --page-kubet-light-text: #ffffff; /* Chữ sáng */
      --page-kubet-gray-text: #cccccc; /* Chữ xám */
      --page-kubet-border-color: #333333; /* Màu viền */
      --page-kubet-hover-color: #ff6f3f; /* Màu khi di chuột qua */
      --page-kubet-box-shadow: rgba(0, 0, 0, 0.3); /* Đổ bóng */
    }

    .page-kubet {
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      color: var(--page-kubet-light-text);
      background-color: var(--page-kubet-dark-background);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

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

    .page-kubet__section--light {
      background-color: #222222;
    }

    .page-kubet__heading {
      color: var(--page-kubet-primary-color);
      margin-bottom: 20px;
      font-size: 2.5rem;
      font-weight: bold;
    }

    .page-kubet__sub-heading {
      color: var(--page-kubet-secondary-color);
      margin-top: 30px;
      margin-bottom: 15px;
      font-size: 1.8rem;
    }

    .page-kubet__paragraph {
      margin-bottom: 15px;
      color: var(--page-kubet-gray-text);
      font-size: 1rem;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-kubet__text-highlight {
      color: var(--page-kubet-secondary-color);
    }

    /* Hero Section */
    .page-kubet__hero-section {
      position: relative;
      background-color: #000;
      color: var(--page-kubet-light-text);
      padding-top: 10px; /* Đệm trên cho tiêu đề cố định */
      padding-bottom: 50px;
      overflow: hidden;
    }

    .page-kubet__hero-image {
      width: 100%;
      height: 400px; /* Chiều cao banner */
      object-fit: cover;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px var(--page-kubet-box-shadow);
    }

    .page-kubet__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      text-align: center;
    }

    .page-kubet__hero-title {
      font-size: 3rem;
      color: var(--page-kubet-primary-color);
      margin-top: 20px;
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-kubet__hero-description {
      font-size: 1.2rem;
      margin-bottom: 30px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
      color: var(--page-kubet-gray-text);
    }

    .page-kubet__cta-button {
      display: inline-block;
      background-color: var(--page-kubet-secondary-color);
      color: var(--page-kubet-light-text);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1rem;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px var(--page-kubet-box-shadow);
      cursor: pointer;
      border: none;
    }

    .page-kubet__cta-button:hover {
      background-color: var(--page-kubet-hover-color);
      transform: translateY(-2px);
    }

    /* Floating Login Button */
    .page-kubet__floating-login {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      width: calc(100% - 40px);
      max-width: 400px;
      box-sizing: border-box;
    }

    .page-kubet__floating-login-button {
      display: block;
      width: 100%;
      background-image: linear-gradient(to right, var(--page-kubet-primary-color), var(--page-kubet-secondary-color));
      color: var(--page-kubet-light-text);
      padding: 15px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2rem;
      text-align: center;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      animation: page-kubet__pulse 2s infinite;
    }

    .page-kubet__floating-login-button:hover {
      background-image: linear-gradient(to right, var(--page-kubet-hover-color), var(--page-kubet-secondary-color));
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
    }

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

    /* Game Categories */
    .page-kubet__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-kubet__game-card {
      background-color: #2e2e2e;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 5px 15px var(--page-kubet-box-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
    }

    .page-kubet__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

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

    .page-kubet__game-card-content {
      padding: 20px;
    }

    .page-kubet__game-card-title {
      color: var(--page-kubet-secondary-color);
      font-size: 1.4rem;
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-kubet__game-card-description {
      color: var(--page-kubet-gray-text);
      font-size: 0.95rem;
    }

    /* How-to Guide */
    .page-kubet__guide-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 40px;
    }

    .page-kubet__guide-step-item {
      background-color: #2e2e2e;
      border-radius: 12px;
      padding: 30px;
      width: 100%;
      max-width: 350px;
      box-shadow: 0 5px 15px var(--page-kubet-box-shadow);
      text-align: left;
      border-left: 5px solid var(--page-kubet-primary-color);
      transition: transform 0.3s ease;
    }

    .page-kubet__guide-step-item:hover {
      transform: translateY(-5px);
    }

    .page-kubet__guide-step-number {
      font-size: 2.5rem;
      color: var(--page-kubet-secondary-color);
      font-weight: bold;
      margin-bottom: 15px;
    }

    .page-kubet__guide-step-title {
      color: var(--page-kubet-light-text);
      font-size: 1.5rem;
      margin-bottom: 10px;
    }

    .page-kubet__guide-step-description {
      color: var(--page-kubet-gray-text);
      font-size: 0.95rem;
    }

    /* Promotions */
    .page-kubet__promotion-card {
      background-image: linear-gradient(to right, #3a0000, #5c0000);
      border-radius: 12px;
      padding: 30px;
      margin-top: 40px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
    }

    .page-kubet__promotion-title {
      color: var(--page-kubet-light-text);
      font-size: 2.2rem;
      margin-bottom: 15px;
    }

    .page-kubet__promotion-description {
      color: #ffe0b2;
      font-size: 1.1rem;
      margin-bottom: 25px;
      max-width: 700px;
    }

    /* Why Choose Us */
    .page-kubet__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-kubet__feature-item {
      background-color: #2e2e2e;
      border-radius: 12px;
      padding: 25px;
      box-shadow: 0 5px 15px var(--page-kubet-box-shadow);
      text-align: center;
      transition: background-color 0.3s ease;
    }

    .page-kubet__feature-item:hover {
      background-color: #3a3a3a;
    }

    .page-kubet__feature-icon {
      width: 100%; /* Đảm bảo hình ảnh responsive */
      max-width: 200px; /* Giới hạn kích thước trên desktop để không quá lớn */
      height: auto;
      min-height: 150px; /* Đảm bảo kích thước tối thiểu để không bị coi là icon nhỏ */
      object-fit: contain;
      margin-bottom: 15px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-kubet__feature-title {
      color: var(--page-kubet-secondary-color);
      font-size: 1.3rem;
      margin-bottom: 10px;
    }

    .page-kubet__feature-description {
      color: var(--page-kubet-gray-text);
      font-size: 0.9rem;
    }

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

    .page-kubet__faq-list {
      margin-top: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-kubet__faq-item {
      background-color: #2e2e2e;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      overflow: hidden;
      border: 1px solid var(--page-kubet-border-color);
    }

    .page-kubet__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #3a3a3a;
      cursor: pointer;
      user-select: none;
      font-size: 1.1rem;
      color: var(--page-kubet-light-text);
      transition: background-color 0.3s ease;
    }

    .page-kubet__faq-question h3 {
      margin: 0;
      color: var(--page-kubet-light-text);
      font-size: 1.1rem;
      pointer-events: none; /* Ngăn h3 chặn sự kiện click trên div cha */
    }

    .page-kubet__faq-question:hover {
      background-color: #4a4a4a;
    }

    .page-kubet__faq-toggle {
      font-size: 1.5rem;
      font-weight: bold;
      color: var(--page-kubet-secondary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn toggle chặn sự kiện click trên div cha */
    }

    .page-kubet__faq-item.active .page-kubet__faq-toggle {
      transform: rotate(45deg); /* Thay đổi + thành X hoặc tương tự */
    }

    .page-kubet__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      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-kubet-gray-text);
      font-size: 0.95rem;
    }

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

    /* General Image Styling for responsiveness */
    .page-kubet__image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-kubet__container {
        padding: 15px;
      }

      .page-kubet__hero-section {
        padding-top: 10px; /* Đệm trên cho tiêu đề cố định trên di động */
        padding-bottom: 30px;
      }

      .page-kubet__hero-image {
        height: 250px; /* Chiều cao banner nhỏ hơn cho di động */
      }

      .page-kubet__hero-title {
        font-size: 2rem;
      }

      .page-kubet__hero-description {
        font-size: 1rem;
      }

      .page-kubet__cta-button {
        padding: 12px 25px;
        font-size: 1rem;
      }

      .page-kubet__heading {
        font-size: 2rem;
      }

      .page-kubet__sub-heading {
        font-size: 1.5rem;
      }

      .page-kubet__game-grid,
      .page-kubet__guide-steps,
      .page-kubet__feature-grid {
        grid-template-columns: 1fr;
      }

      .page-kubet__promotion-title {
        font-size: 1.8rem;
      }

      .page-kubet__promotion-description {
        font-size: 1rem;
      }

      .page-kubet__floating-login {
        bottom: 15px;
        max-width: calc(100% - 30px);
      }

      .page-kubet__floating-login-button {
        font-size: 1rem;
        padding: 12px 15px;
      }

      /* Buộc hình ảnh responsive với !important trên di động */
      .page-kubet__hero-image,
      .page-kubet__game-card-image,
      .page-kubet__feature-icon,
      .page-kubet__image {
        max-width: 100% !important;
        height: auto !important;
      }
    }