:root {
      --primary-color: #e0b300; /* Vàng hổ phách */
      --secondary-color: #333; /* Xám đậm */
      --accent-color: #c00; /* Đỏ */
      --text-color: #eee; /* Trắng nhạt */
      --background-dark: #1a1a1a; /* Nền tối */
      --background-light: #2c2c2c; /* Nền sáng hơn */
      --border-color: #444; /* Viền */
      --spacing-unit: 16px;
    }

    /* Base styles for the page content, assuming body has padding-top from shared.css */
    .page-kubet-3939 {
      font-family: 'Arial', sans-serif;
      color: var(--text-color);
      background-color: var(--background-dark);
      line-height: 1.6;
      padding-bottom: 80px; /* Space for floating buttons */
      overflow-x: hidden; /* Prevent horizontal scroll */
    }

    .page-kubet-3939__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--spacing-unit);
      box-sizing: border-box;
    }

    .page-kubet-3939__section {
      padding: calc(var(--spacing-unit) * 2) 0;
      text-align: center;
    }

    .page-kubet-3939__section--dark {
      background-color: var(--background-dark);
    }

    .page-kubet-3939__section--light {
      background-color: var(--background-light);
    }

    .page-kubet-3939__title {
      font-size: 2.5em;
      color: var(--primary-color);
      margin-bottom: var(--spacing-unit);
      text-transform: uppercase;
      font-weight: bold;
    }

    .page-kubet-3939__subtitle {
      font-size: 1.8em;
      color: var(--text-color);
      margin-bottom: calc(var(--spacing-unit) * 1.5);
    }

    .page-kubet-3939__text {
      font-size: 1.1em;
      margin-bottom: var(--spacing-unit);
      color: var(--text-color);
    }

    /* Hero Section */
    .page-kubet-3939__hero-section {
      position: relative;
      padding-top: 10px; /* Small top padding, assuming body has header offset */
      padding-bottom: calc(var(--spacing-unit) * 4);
      background: var(--background-dark);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 400px;
    }

    .page-kubet-3939__hero-image-wrapper {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 0;
      overflow: hidden;
    }

    .page-kubet-3939__hero-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3; /* Make background less distracting */
      display: block;
      max-width: 100%; /* Ensure responsiveness */
    }

    .page-kubet-3939__hero-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 90%;
    }

    .page-kubet-3939__hero-title {
      font-size: 3em;
      color: var(--primary-color);
      margin-bottom: var(--spacing-unit);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-kubet-3939__hero-description {
      font-size: 1.2em;
      color: var(--text-color);
      margin-bottom: calc(var(--spacing-unit) * 2);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Floating Buttons */
    .page-kubet-3939__floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: rgba(0, 0, 0, 0.8);
      padding: var(--spacing-unit) 0;
      display: flex;
      justify-content: space-around;
      align-items: center;
      z-index: 1000;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
    }

    .page-kubet-3939__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--primary-color);
      color: var(--background-dark);
      text-decoration: none;
      border-radius: 30px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
      text-align: center;
      box-sizing: border-box;
      width: 45%; /* For mobile responsiveness */
      max-width: 200px;
    }

    .page-kubet-3939__button--secondary {
      background-color: var(--accent-color);
      color: var(--text-color);
    }

    .page-kubet-3939__button:hover {
      background-color: #ffcc33;
      transform: translateY(-2px);
    }

    .page-kubet-3939__button--secondary:hover {
      background-color: #e60000;
      transform: translateY(-2px);
    }

    /* Product Grid */
    .page-kubet-3939__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--spacing-unit);
      margin-top: calc(var(--spacing-unit) * 2);
    }

    .page-kubet-3939__product-card {
      background-color: var(--background-light);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      box-sizing: border-box;
    }

    .page-kubet-3939__product-card:hover {
      transform: translateY(-5px);
    }

    .page-kubet-3939__product-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for product images */
      overflow: hidden;
    }

    .page-kubet-3939__product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%; /* Ensure responsiveness */
    }

    .page-kubet-3939__product-content {
      padding: var(--spacing-unit);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-kubet-3939__product-title {
      font-size: 1.4em;
      color: var(--primary-color);
      margin-bottom: var(--spacing-unit);
    }

    .page-kubet-3939__product-description {
      font-size: 0.95em;
      color: var(--text-color);
      margin-bottom: var(--spacing-unit);
      flex-grow: 1;
    }

    /* Promotion Section */
    .page-kubet-3939__promotion-card {
      background-color: var(--primary-color);
      color: var(--background-dark);
      padding: calc(var(--spacing-unit) * 2);
      border-radius: 10px;
      margin-top: calc(var(--spacing-unit) * 2);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-kubet-3939__promotion-title {
      font-size: 2em;
      margin-bottom: var(--spacing-unit);
      color: var(--background-dark);
    }

    .page-kubet-3939__promotion-text {
      font-size: 1.1em;
      margin-bottom: calc(var(--spacing-unit) * 1.5);
      color: var(--background-dark);
    }

    .page-kubet-3939__promotion-link {
      display: inline-block;
      padding: 12px 30px;
      background-color: var(--accent-color);
      color: var(--text-color);
      text-decoration: none;
      border-radius: 30px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      font-size: 1.1em;
    }

    .page-kubet-3939__promotion-link:hover {
      background-color: #e60000;
      transform: translateY(-2px);
    }

    /* Providers and Payments Grid */
    .page-kubet-3939__grid-3-col {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: var(--spacing-unit);
      margin-top: calc(var(--spacing-unit) * 2);
    }

    .page-kubet-3939__grid-item {
      background-color: var(--background-light);
      padding: var(--spacing-unit);
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      box-sizing: border-box;
    }

    .page-kubet-3939__grid-item-image {
      max-width: 100%;
      height: 80px; /* Fixed height for provider/payment logos */
      object-fit: contain;
      margin-bottom: var(--spacing-unit);
      display: block;
    }

    .page-kubet-3939__grid-item-text {
      font-size: 1em;
      color: var(--text-color);
      font-weight: bold;
    }

    /* FAQ Section */
    .page-kubet-3939__faq-section {
      background-color: var(--background-light);
      padding-top: calc(var(--spacing-unit) * 2);
      padding-bottom: calc(var(--spacing-unit) * 2);
    }

    .page-kubet-3939__faq-list {
      max-width: 800px;
      margin: calc(var(--spacing-unit) * 2) auto 0;
      list-style: none;
      padding: 0;
    }

    .page-kubet-3939__faq-item {
      background-color: var(--background-dark);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: var(--spacing-unit);
      overflow: hidden;
    }

    .page-kubet-3939__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
      cursor: pointer;
      background-color: var(--background-light);
      color: var(--primary-color);
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-kubet-3939__faq-question h3 {
      margin: 0;
      font-size: 1em; /* Adjust to fit the question div */
      color: var(--primary-color);
      pointer-events: none; /* Prevent h3 from blocking click on parent div */
      flex-grow: 1;
      text-align: left;
    }

    .page-kubet-3939__faq-question:hover {
      background-color: #444;
    }

    .page-kubet-3939__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--primary-color);
      margin-left: var(--spacing-unit);
      pointer-events: none; /* Prevent span from blocking click on parent div */
      transition: transform 0.3s ease;
    }

    .page-kubet-3939__faq-item.active .page-kubet-3939__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-kubet-3939__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 var(--spacing-unit) var(--spacing-unit) calc(var(--spacing-unit) * 1.5); /* Adjusted padding */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      text-align: left;
      color: var(--text-color);
      font-size: 0.95em;
    }
    
    .page-kubet-3939__faq-answer p {
        margin-top: 0;
        margin-bottom: var(--spacing-unit);
    }
    .page-kubet-3939__faq-answer p:last-child {
        margin-bottom: 0;
    }


    .page-kubet-3939__faq-item.active .page-kubet-3939__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important; /* Required padding */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-kubet-3939__title {
        font-size: 2em;
      }

      .page-kubet-3939__subtitle {
        font-size: 1.4em;
      }

      .page-kubet-3939__hero-title {
        font-size: 2.2em;
      }

      .page-kubet-3939__hero-description {
        font-size: 1em;
      }

      .page-kubet-3939__button {
        padding: 10px 20px;
        font-size: 1em;
        width: 48%; /* Adjust width for smaller screens */
      }
      
      .page-kubet-3939__floating-buttons {
        padding: calc(var(--spacing-unit) / 2) 0;
      }

      .page-kubet-3939__product-grid {
        grid-template-columns: 1fr; /* Single column for products */
      }

      .page-kubet-3939__promotion-title {
        font-size: 1.6em;
      }

      .page-kubet-3939__grid-3-col {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); /* Adjust for smaller items */
      }

      .page-kubet-3939__faq-question {
        padding: var(--spacing-unit) calc(var(--spacing-unit) * 1);
        font-size: 1em;
      }
      
      .page-kubet-3939__faq-question h3 {
        font-size: 0.95em;
      }

      .page-kubet-3939__faq-answer {
        padding: 0 var(--spacing-unit);
        font-size: 0.9em;
      }
      
      .page-kubet-3939__faq-item.active .page-kubet-3939__faq-answer {
        padding: 15px 10px !important; /* Adjusted padding for mobile */
      }

      /* Image responsiveness */
      .page-kubet-3939__hero-image,
      .page-kubet-3939__product-image,
      .page-kubet-3939__grid-item-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-kubet-3939__hero-image-wrapper,
      .page-kubet-3939__product-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }

      /* List item responsiveness for all relevant sections */
      .page-kubet-3939__product-card,
      .page-kubet-3939__grid-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      
      .page-kubet-3939__product-grid,
      .page-kubet-3939__grid-3-col {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
    }

    @media (max-width: 480px) {
        .page-kubet-3939__hero-title {
            font-size: 1.8em;
        }
        .page-kubet-3939__promotion-link,
        .page-kubet-3939__button {
            padding: 8px 15px;
            font-size: 0.9em;
        }
    }