:root {
      --page-vn583-primary-color: #e44d26; /* Cam cháy */
      --page-vn583-secondary-color: #333;
      --page-vn583-background-dark: #1a1a1a;
      --page-vn583-text-light: #f5f5f5;
      --page-vn583-text-dark: #333;
      --page-vn583-border-color: #444;
      --page-vn583-accent-color: #ffcc00; /* Vàng */
    }

    .page-vn583 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-vn583-background-dark);
      color: var(--page-vn583-text-light);
      line-height: 1.6;
      padding-bottom: 80px; /* Space for floating buttons */
      padding-top: var(--header-offset, 0px); /* Fallback for header offset */
    }

    .page-vn583__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-vn583__section--dark {
      background-color: var(--page-vn583-secondary-color);
    }

    .page-vn583__title {
      color: var(--page-vn583-primary-color);
      font-size: 2.8em;
      margin-bottom: 20px;
      text-transform: uppercase;
      font-weight: bold;
    }

    .page-vn583__subtitle {
      color: var(--page-vn583-accent-color);
      font-size: 1.8em;
      margin-bottom: 30px;
      font-weight: normal;
    }

    .page-vn583__description {
      font-size: 1.1em;
      margin-bottom: 30px;
      color: var(--page-vn583-text-light);
    }

    /* Hero Section */
    .page-vn583__hero-section {
      position: relative;
      padding: 10px 0 60px; /* Small padding-top, body handles main offset */
      background: linear-gradient(135deg, var(--page-vn583-background-dark) 0%, var(--page-vn583-secondary-color) 100%);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 500px;
      text-align: center;
    }

    .page-vn583__hero-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 30px;
    }

    .page-vn583__hero-image {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
      object-fit: cover;
    }

    /* Floating Buttons */
    .page-vn583__floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: space-around;
      padding: 15px 20px;
      background-color: rgba(0, 0, 0, 0.9);
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
      z-index: 1000;
      box-sizing: border-box;
    }

    .page-vn583__button {
      flex: 1;
      margin: 0 10px;
      padding: 12px 20px;
      border: none;
      border-radius: 25px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none;
      text-align: center;
      box-sizing: border-box;
      white-space: nowrap; /* Prevent text wrapping */
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 180px; /* Limit button width on larger screens */
    }

    .page-vn583__button--primary {
      background-color: var(--page-vn583-primary-color);
      color: var(--page-vn583-text-light);
    }

    .page-vn583__button--primary:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
    }

    .page-vn583__button--secondary {
      background-color: var(--page-vn583-accent-color);
      color: var(--page-vn583-text-dark);
    }

    .page-vn583__button--secondary:hover {
      background-color: #f39c12;
      transform: translateY(-2px);
    }

    /* Product Showcase */
    .page-vn583__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-vn583__product-card {
      background-color: var(--page-vn583-secondary-color);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center; /* Center product images */
      text-align: center;
      box-sizing: border-box;
      padding-bottom: 20px;
    }

    .page-vn583__product-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }

    .page-vn583__product-image-container {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #222;
      box-sizing: border-box;
    }

    .page-vn583__product-image {
      max-width: 100%;
      height: 100%;
      object-fit: cover;
      display: block; /* Remove extra space below image */
    }

    .page-vn583__product-title {
      font-size: 1.5em;
      color: var(--page-vn583-accent-color);
      margin: 20px 15px 10px;
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word;
    }

    .page-vn583__product-description {
      font-size: 0.95em;
      color: var(--page-vn583-text-light);
      padding: 0 15px;
      margin-bottom: 15px;
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word;
    }

    /* Promotions */
    .page-vn583__promo-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
      list-style: none;
      padding: 0;
    }

    .page-vn583__promo-item {
      background-color: var(--page-vn583-secondary-color);
      border-left: 5px solid var(--page-vn583-primary-color);
      padding: 25px;
      border-radius: 8px;
      text-align: left;
      flex: 1 1 calc(50% - 20px);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      box-sizing: border-box;
      min-width: 280px;
    }

    .page-vn583__promo-item:hover {
      transform: translateY(-5px);
    }

    .page-vn583__promo-title {
      color: var(--page-vn583-accent-color);
      font-size: 1.3em;
      margin-bottom: 10px;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-vn583__promo-description {
      color: var(--page-vn583-text-light);
      font-size: 0.9em;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    /* Providers & Payments */
    .page-vn583__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); /* Adjusted for image size */
      gap: 20px;
      margin-top: 30px;
      justify-items: center;
    }

    .page-vn583__logo-item {
      background-color: #2c2c2c;
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100px;
      box-sizing: border-box;
    }

    .page-vn583__logo-image {
      max-width: 100%;
      max-height: 80px;
      height: auto;
      object-fit: contain;
      display: block;
    }

    /* FAQ Section */
    .page-vn583__faq-section {
      text-align: left;
    }

    .page-vn583__faq-container {
      margin-top: 30px;
    }

    .page-vn583__faq-item {
      background-color: var(--page-vn583-secondary-color);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      box-sizing: border-box;
    }

    .page-vn583__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #2c2c2c;
      color: var(--page-vn583-accent-color);
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      box-sizing: border-box;
    }

    .page-vn583__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-vn583__faq-question h3 {
      margin: 0;
      color: inherit;
      font-size: 1em; /* Adjust to match parent font size */
      pointer-events: none; /* Prevent h3 from blocking click */
      word-wrap: break-word;
      overflow-wrap: break-word;
      flex-grow: 1;
      padding-right: 10px;
    }

    .page-vn583__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
      flex-shrink: 0;
    }

    .page-vn583__faq-item.active .page-vn583__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' or similar */
    }

    .page-vn583__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: var(--page-vn583-text-light);
      background-color: var(--page-vn583-secondary-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 0.95em;
      text-align: left;
      box-sizing: border-box;
    }

    .page-vn583__faq-item.active .page-vn583__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 20px !important;
      opacity: 1;
    }

    /* Call to Action */
    .page-vn583__cta-section {
      background-color: var(--page-vn583-primary-color);
      color: var(--page-vn583-text-light);
      padding: 50px 20px;
      border-radius: 10px;
      margin-top: 40px;
    }

    .page-vn583__cta-text {
      font-size: 1.5em;
      margin-bottom: 25px;
      font-weight: bold;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-vn583__title {
        font-size: 2em;
      }

      .page-vn583__subtitle {
        font-size: 1.5em;
      }

      .page-vn583__section {
        padding: 30px 15px;
      }

      .page-vn583__floating-buttons {
        padding: 10px 10px;
      }

      .page-vn583__button {
        font-size: 1em;
        padding: 10px 15px;
        margin: 0 5px;
        max-width: 150px; /* Further limit button width on small screens */
      }

      .page-vn583__product-grid {
        grid-template-columns: 1fr;
      }

      .page-vn583__promo-item {
        flex: 1 1 100%;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px 15px;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-vn583__promo-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-vn583__logo-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }

      .page-vn583__faq-question {
        padding: 12px 15px;
      }

      .page-vn583__faq-answer {
        padding: 0 15px;
      }

      .page-vn583__faq-item.active .page-vn583__faq-answer {
        padding: 15px 15px !important;
      }

      .page-vn583__cta-text {
        font-size: 1.2em;
      }

      /* Image responsive adjustments */
      .page-vn583__hero-image,
      .page-vn583__product-image,
      .page-vn583__logo-image {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-vn583__hero-image-container,
      .page-vn583__product-image-container,
      .page-vn583__logo-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-vn583__button {
        flex: 1;
        margin: 0 3px;
        font-size: 0.9em;
        padding: 8px 10px;
        max-width: 100%;
      }
      .page-vn583__floating-buttons {
        justify-content: space-between;
        padding: 10px 5px;
      }
    }