:root {
      --primary-color: #e44d26; /* Màu đỏ cam rực rỡ */
      --secondary-color: #ffb703; /* Màu vàng kim nhấn nhá */
      --background-dark: #1a1a1a;
      --background-medium: #2a2a2a;
      --text-light: #f0f0f0;
      --text-medium: #cccccc;
      --border-color: #3a3a3a;
      --spacing-unit: 1rem;
      --header-offset: 122px; /* Mặc định cho header cố định */
    }

    body {
      font-family: 'Arial', sans-serif;
      margin: 0;
      padding: 0;
      background-color: var(--background-dark);
      color: var(--text-light);
      line-height: 1.6;
      padding-top: var(--header-offset); /* Đảm bảo nội dung không bị che bởi header cố định */
    }

    /* Các kiểu cơ bản cho container gốc page-kubet-19 */
    .page-kubet-19 {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--spacing-unit);
      box-sizing: border-box;
    }

    .page-kubet-19__section {
      background-color: var(--background-medium);
      padding: calc(var(--spacing-unit) * 2);
      margin-bottom: calc(var(--spacing-unit) * 2);
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box;
    }

    .page-kubet-19__section-title {
      color: var(--secondary-color);
      text-align: center;
      margin-bottom: calc(var(--spacing-unit) * 2);
      font-size: 2.2em;
      font-weight: bold;
      letter-spacing: 0.05em;
    }

    .page-kubet-19__section-subtitle {
      color: var(--primary-color);
      text-align: center;
      margin-bottom: calc(var(--spacing-unit) * 1.5);
      font-size: 1.5em;
    }

    .page-kubet-19__text-center {
      text-align: center;
    }

    .page-kubet-19__button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
      margin: var(--spacing-unit) 0;
      min-width: 150px; /* Đảm bảo kích thước tối thiểu cho nút */
    }

    .page-kubet-19__button:hover {
      background-color: #c0392b; /* Màu tối hơn */
      transform: translateY(-2px);
    }

    /* Phần Hero */
    .page-kubet-19__hero-section {
      background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('[GALLERY:hero:1920x1080:kubet_19,casino,game_banner]') no-repeat center center/cover;
      min-height: 450px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 10px var(--spacing-unit) calc(var(--spacing-unit) * 3) var(--spacing-unit); /* Padding trên 10px để trang trí */
      margin-bottom: calc(var(--spacing-unit) * 2);
      border-radius: 8px;
      position: relative;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-kubet-19__hero-content {
      max-width: 800px;
      color: var(--text-light);
      z-index: 1;
    }

    .page-kubet-19__hero-title {
      font-size: 3.5em;
      margin-bottom: var(--spacing-unit);
      color: var(--secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-kubet-19__hero-description {
      font-size: 1.3em;
      margin-bottom: calc(var(--spacing-unit) * 2);
      color: var(--text-medium);
    }

    /* Nút nổi */
    .page-kubet-19__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .page-kubet-19__floating-button {
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 10px 20px;
      border-radius: 50px;
      text-align: center;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.2s ease;
      cursor: pointer;
      border: none;
      font-size: 1em;
      min-width: 100px;
    }

    .page-kubet-19__floating-button:hover {
      background-color: #c0392b;
      transform: translateY(-3px);
    }

    /* Lưới sản phẩm */
    .page-kubet-19__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: calc(var(--spacing-unit) * 1.5);
      margin-top: calc(var(--spacing-unit) * 2);
    }

    .page-kubet-19__product-item {
      background-color: var(--background-dark);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-kubet-19__product-item:hover {
      transform: translateY(-5px);
    }

    .page-kubet-19__product-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Chiều cao cố định để nhất quán */
    }

    .page-kubet-19__product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-kubet-19__product-content {
      padding: var(--spacing-unit);
      text-align: center;
    }

    .page-kubet-19__product-title {
      font-size: 1.4em;
      color: var(--secondary-color);
      margin-bottom: 0.5rem;
    }

    .page-kubet-19__product-description {
      font-size: 0.95em;
      color: var(--text-medium);
    }

    /* Danh sách khuyến mãi */
    .page-kubet-19__promo-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: var(--spacing-unit);
    }

    .page-kubet-19__promo-item {
      background-color: var(--background-dark);
      padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
      border-left: 5px solid var(--primary-color);
      border-radius: 5px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: center;
      box-sizing: border-box;
    }

    .page-kubet-19__promo-icon {
      font-size: 2em;
      color: var(--secondary-color);
      margin-right: var(--spacing-unit);
      min-width: 60px; /* Đảm bảo icon có không gian */
      text-align: center;
    }

    .page-kubet-19__promo-content {
      flex-grow: 1;
    }

    .page-kubet-19__promo-title {
      font-size: 1.2em;
      color: var(--secondary-color);
      margin-bottom: 0.3rem;
    }

    .page-kubet-19__promo-description {
      font-size: 0.9em;
      color: var(--text-medium);
    }

    /* Danh sách tính năng */
    .page-kubet-19__features-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: calc(var(--spacing-unit) * 1.5);
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-kubet-19__feature-item {
      background-color: var(--background-dark);
      padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      box-sizing: border-box;
    }

    .page-kubet-19__feature-icon-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        height: 100px; /* Chiều cao nhất quán cho các icon tính năng */
        margin-bottom: var(--spacing-unit);
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .page-kubet-19__feature-icon {
      width: 80px; /* Icon lớn hơn cho tính năng */
      height: 80px;
      object-fit: contain;
      max-width: 100%;
      box-sizing: border-box;
      min-width: 200px; /* Đảm bảo kích thước tối thiểu */
      min-height: 200px; /* Đảm bảo kích thước tối thiểu */
    }

    .page-kubet-19__feature-title {
      font-size: 1.3em;
      color: var(--primary-color);
      margin-bottom: 0.5rem;
    }

    .page-kubet-19__feature-description {
      font-size: 0.95em;
      color: var(--text-medium);
    }

    /* Nhà cung cấp & Thanh toán */
    .page-kubet-19__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: var(--spacing-unit);
      justify-items: center;
      align-items: center;
      margin-top: calc(var(--spacing-unit) * 2);
    }

    .page-kubet-19__logo-item {
      background-color: var(--background-dark);
      padding: var(--spacing-unit);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      display: flex;
      justify-content: center;
      align-items: center;
      height: 120px; /* Chiều cao cố định cho logo */
      width: 100%;
      max-width: 200px; /* Chiều rộng tối đa cho từng item logo */
      box-sizing: border-box;
    }

    .page-kubet-19__logo-image {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      display: block;
      box-sizing: border-box;
      width: auto; /* Cho phép hình ảnh tự điều chỉnh kích thước */
      height: auto;
      min-width: 200px; /* Đảm bảo kích thước tối thiểu */
      min-height: 200px; /* Đảm bảo kích thước tối thiểu */
    }
    
    /* Phần FAQ */
    .page-kubet-19__faq-section {
      background-color: var(--background-medium);
      padding: calc(var(--spacing-unit) * 2);
      margin-bottom: calc(var(--spacing-unit) * 2);
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box;
    }

    .page-kubet-19__faq-item {
      margin-bottom: 10px;
      border: 1px solid var(--border-color);
      border-radius: 5px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-kubet-19__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--background-dark);
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      color: var(--text-light);
      transition: background-color 0.3s ease;
      box-sizing: border-box;
    }

    .page-kubet-19__faq-question h3 {
      margin: 0;
      color: var(--text-light);
      font-size: 1.1em;
      pointer-events: none; /* Ngăn h3 chặn sự kiện click */
    }

    .page-kubet-19__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--primary-color);
      margin-left: 10px;
      pointer-events: none; /* Ngăn icon toggle chặn sự kiện click */
      transition: transform 0.3s ease;
    }

    .page-kubet-19__faq-item.active .page-kubet-19__faq-toggle {
      transform: rotate(45deg); /* Xoay dấu + để thành X hoặc - */
    }

    .page-kubet-19__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: var(--background-medium);
      color: var(--text-medium);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      box-sizing: border-box;
    }

    .page-kubet-19__faq-item.active .page-kubet-19__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để hiển thị nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Điều chỉnh Responsive */
    @media (max-width: 768px) {
      .page-kubet-19 {
        padding: calc(var(--spacing-unit) * 0.5);
      }

      .page-kubet-19__section {
        padding: calc(var(--spacing-unit) * 1.5);
        margin-bottom: var(--spacing-unit);
      }

      .page-kubet-19__section-title {
        font-size: 1.8em;
      }

      .page-kubet-19__hero-section {
        min-height: 300px;
        padding-top: calc(var(--spacing-unit) * 2); /* Điều chỉnh padding trên cho màn hình nhỏ hơn */
      }

      .page-kubet-19__hero-title {
        font-size: 2.5em;
      }

      .page-kubet-19__hero-description {
        font-size: 1.1em;
      }

      .page-kubet-19__floating-buttons {
        bottom: 10px;
        right: 10px;
        flex-direction: row; /* Ngang trên màn hình nhỏ hơn nếu có đủ không gian */
        gap: 8px;
      }
      
      .page-kubet-19__floating-button {
        padding: 8px 15px;
        font-size: 0.9em;
      }

      .page-kubet-19__product-grid,
      .page-kubet-19__promo-list,
      .page-kubet-19__features-list,
      .page-kubet-19__logo-grid {
        grid-template-columns: 1fr !important; /* Xếp chồng các cột trên di động */
        gap: var(--spacing-unit) !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-kubet-19__product-item,
      .page-kubet-19__feature-item,
      .page-kubet-19__logo-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; /* Điều chỉnh padding cho di động */
        padding-right: 15px !important;
      }

      .page-kubet-19__promo-item {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-unit) 15px !important; /* Ghi đè padding trên desktop */
      }
      .page-kubet-19__promo-icon {
        margin-right: 0;
        margin-bottom: 0.5rem;
      }

      .page-kubet-19__logo-image,
      .page-kubet-19__product-image,
      .page-kubet-19__feature-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-kubet-19__product-image-wrapper,
      .page-kubet-19__feature-icon-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        height: auto !important; /* Cho phép chiều cao tự điều chỉnh */
        min-height: 150px !important; /* Đảm bảo chiều cao tối thiểu cho hình ảnh sản phẩm */
      }

      .page-kubet-19__logo-item {
        height: 100px !important;
        width: 100% !important;
        max-width: 180px !important;
      }

      /* Xử lý ngắt từ cho các danh sách và nội dung chung */
      .page-kubet-19__promo-description,
      .page-kubet-19__feature-description,
      .page-kubet-19__product-description,
      .page-kubet-19__faq-answer p {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      
      .page-kubet-19__faq-question {
        padding: 12px 15px !important;
        font-size: 1em !important;
      }
      .page-kubet-19__faq-question h3 {
        font-size: 1em !important;
      }
      .page-kubet-19__faq-answer {
        padding: 15px 15px !important;
      }
    }