:root {
      --page-keonhacai-55-l-t__primary-color: #e44d26; /* Màu cam đỏ */
      --page-keonhacai-55-l-t__secondary-color: #333;
      --page-keonhacai-55-l-t__text-color: #333;
      --page-keonhacai-55-l-t__light-text-color: #f8f8f8;
      --page-keonhacai-55-l-t__background-color: #f0f2f5;
      --page-keonhacai-55-l-t__card-background: #fff;
      --page-keonhacai-55-l-t__border-color: #ddd;
      --page-keonhacai-55-l-t__accent-color: #007bff;
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-keonhacai-55-l-t__text-color);
      background-color: var(--page-keonhacai-55-l-t__background-color);
      margin: 0;
      padding: 0;
    }

    .page-keonhacai-55-l-t {
      max-width: 1200px;
      margin: 0 auto;
      padding: 10px 15px 20px 15px; /* Added 10px top padding for fixed header offset */
      box-sizing: border-box;
    }

    .page-keonhacai-55-l-t__hero-section {
      text-align: center;
      padding: 40px 20px;
      background-color: var(--page-keonhacai-55-l-t__primary-color);
      color: var(--page-keonhacai-55-l-t__light-text-color);
      margin-bottom: 30px;
      border-radius: 10px;
      overflow: hidden;
      position: relative;
    }

    .page-keonhacai-55-l-t__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 0;
    }

    .page-keonhacai-55-l-t__hero-content {
      position: relative;
      z-index: 1;
    }

    .page-keonhacai-55-l-t__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-keonhacai-55-l-t__light-text-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-keonhacai-55-l-t__hero-subtitle {
      font-size: 1.4em;
      margin-bottom: 25px;
      color: var(--page-keonhacai-55-l-t__light-text-color);
    }

    .page-keonhacai-55-l-t__promotion-link {
      display: inline-block;
      background-color: #ffc107;
      color: var(--page-keonhacai-55-l-t__secondary-color);
      padding: 12px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-keonhacai-55-l-t__promotion-link:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    .page-keonhacai-55-l-t__section {
      background-color: var(--page-keonhacai-55-l-t__card-background);
      padding: 30px 20px;
      margin-bottom: 30px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-keonhacai-55-l-t__section-title {
      font-size: 2em;
      color: var(--page-keonhacai-55-l-t__primary-color);
      margin-bottom: 25px;
      text-align: center;
      position: relative;
    }

    .page-keonhacai-55-l-t__section-title::after {
      content: '';
      width: 60px;
      height: 4px;
      background-color: var(--page-keonhacai-55-l-t__accent-color);
      position: absolute;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
      border-radius: 2px;
    }

    .page-keonhacai-55-l-t__content-text {
      font-size: 1.1em;
      margin-bottom: 15px;
      text-align: justify;
    }

    .page-keonhacai-55-l-t__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 20px;
    }

    .page-keonhacai-55-l-t__grid-item {
      background-color: var(--page-keonhacai-55-l-t__background-color);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .page-keonhacai-55-l-t__grid-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-keonhacai-55-l-t__grid-image-wrapper {
      width: 100%;
      height: 200px;
      overflow: hidden;
    }

    .page-keonhacai-55-l-t__grid-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .page-keonhacai-55-l-t__grid-content {
      padding: 18px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-keonhacai-55-l-t__grid-title {
      font-size: 1.3em;
      color: var(--page-keonhacai-55-l-t__primary-color);
      margin-bottom: 10px;
      word-wrap: break-word; /* Ensure long titles wrap */
    }

    .page-keonhacai-55-l-t__grid-description {
      font-size: 0.95em;
      color: var(--page-keonhacai-55-l-t__secondary-color);
      margin-bottom: 15px;
    }

    .page-keonhacai-55-l-t__button {
      display: inline-block;
      background-color: var(--page-keonhacai-55-l-t__accent-color);
      color: var(--page-keonhacai-55-l-t__light-text-color);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      text-align: center;
      width: fit-content;
      margin-top: auto; /* Push button to bottom */
    }

    .page-keonhacai-55-l-t__button:hover {
      background-color: #0056b3;
    }

    .page-keonhacai-55-l-t__list {
      list-style: none;
      padding: 0;
      margin: 20px 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }

    .page-keonhacai-55-l-t__list-item {
      background-color: var(--page-keonhacai-55-l-t__background-color);
      padding: 15px 20px;
      border-radius: 8px;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: center;
      font-size: 1em;
      color: var(--page-keonhacai-55-l-t__text-color);
      box-sizing: border-box; /* Crucial for mobile responsiveness */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-keonhacai-55-l-t__list-item::before {
      content: '✓';
      color: var(--page-keonhacai-55-l-t__primary-color);
      font-weight: bold;
      margin-right: 10px;
      font-size: 1.2em;
    }

    .page-keonhacai-55-l-t__payment-grid,
    .page-keonhacai-55-l-t__provider-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 20px;
    }

    .page-keonhacai-55-l-t__payment-item,
    .page-keonhacai-55-l-t__provider-item {
      background-color: var(--page-keonhacai-55-l-t__background-color);
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      text-align: center;
      width: 150px;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-keonhacai-55-l-t__payment-item:hover,
    .page-keonhacai-55-l-t__provider-item:hover {
      transform: translateY(-5px);
    }

    .page-keonhacai-55-l-t__payment-logo,
    .page-keonhacai-55-l-t__provider-logo {
      max-width: 100%;
      height: 60px;
      object-fit: contain;
      margin-bottom: 10px;
    }

    .page-keonhacai-55-l-t__payment-name,
    .page-keonhacai-55-l-t__provider-name {
      font-weight: bold;
      color: var(--page-keonhacai-55-l-t__primary-color);
      font-size: 1em;
      word-wrap: break-word;
    }

    /* FAQ Section Styles */
    .page-keonhacai-55-l-t__faq-section {
      background-color: var(--page-keonhacai-55-l-t__card-background);
      padding: 30px 20px;
      margin-bottom: 30px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-keonhacai-55-l-t__faq-item {
      border: 1px solid var(--page-keonhacai-55-l-t__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-keonhacai-55-l-t__faq-question {
      background-color: var(--page-keonhacai-55-l-t__background-color);
      padding: 15px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      color: var(--page-keonhacai-55-l-t__secondary-color);
      transition: background-color 0.3s ease;
    }

    .page-keonhacai-55-l-t__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      flex-grow: 1;
      text-align: left;
      color: var(--page-keonhacai-55-l-t__secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-keonhacai-55-l-t__faq-question:hover {
      background-color: #e9ecef;
    }

    .page-keonhacai-55-l-t__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      transition: transform 0.3s ease;
      color: var(--page-keonhacai-55-l-t__primary-color);
      pointer-events: none; /* Prevent toggle icon from blocking click on parent */
    }

    .page-keonhacai-55-l-t__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-keonhacai-55-l-t__text-color);
      background-color: var(--page-keonhacai-55-l-t__card-background);
    }

    .page-keonhacai-55-l-t__faq-item.active .page-keonhacai-55-l-t__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-keonhacai-55-l-t__faq-item.active .page-keonhacai-55-l-t__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'X' or '-' */
    }

    .page-keonhacai-55-l-t__faq-answer p {
      margin: 0 0 10px 0;
      text-align: justify;
    }

    .page-keonhacai-55-l-t__contact-info {
      text-align: center;
      margin-top: 30px;
      font-size: 1.1em;
      color: var(--page-keonhacai-55-l-t__secondary-color);
    }

    .page-keonhacai-55-l-t__contact-info p {
      margin-bottom: 10px;
    }

    .page-keonhacai-55-l-t__contact-info a {
      color: var(--page-keonhacai-55-l-t__primary-color);
      text-decoration: none;
      font-weight: bold;
    }

    .page-keonhacai-55-l-t__contact-info a:hover {
      text-decoration: underline;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-keonhacai-55-l-t {
        padding: 10px 10px 20px 10px;
      }

      .page-keonhacai-55-l-t__hero-title {
        font-size: 2em;
      }

      .page-keonhacai-55-l-t__hero-subtitle {
        font-size: 1.2em;
      }

      .page-keonhacai-55-l-t__section-title {
        font-size: 1.8em;
      }

      .page-keonhacai-55-l-t__grid {
        grid-template-columns: 1fr;
      }

      .page-keonhacai-55-l-t__list {
        grid-template-columns: 1fr;
        padding: 0;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-keonhacai-55-l-t__list-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 15px 10px;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-keonhacai-55-l-t__grid-image-wrapper {
        height: 180px;
      }

      .page-keonhacai-55-l-t__grid-title {
        font-size: 1.2em;
      }

      .page-keonhacai-55-l-t__payment-item,
      .page-keonhacai-55-l-t__provider-item {
        width: calc(50% - 10px); /* Two items per row with gap */
        max-width: calc(50% - 10px);
      }

      .page-keonhacai-55-l-t__payment-grid,
      .page-keonhacai-55-l-t__provider-grid {
        gap: 10px;
      }

      .page-keonhacai-55-l-t__faq-question {
        padding: 12px 15px;
      }

      .page-keonhacai-55-l-t__faq-question h3 {
        font-size: 1em;
      }

      .page-keonhacai-55-l-t__faq-answer {
        padding: 15px 15px;
      }

      .page-keonhacai-55-l-t__grid-image,
      .page-keonhacai-55-l-t__payment-logo,
      .page-keonhacai-55-l-t__provider-logo {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-keonhacai-55-l-t__grid-image-wrapper,
      .page-keonhacai-55-l-t__payment-item,
      .page-keonhacai-55-l-t__provider-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-keonhacai-55-l-t__payment-item,
      .page-keonhacai-55-l-t__provider-item {
        width: 100%;
        max-width: 100%;
      }
    }