
    :root {
      --page-888b__primary-color: #e44d26; /* Cam đỏ */
      --page-888b__secondary-color: #ffb300; /* Vàng hổ phách */
      --page-888b__background-dark: #1a1a2e; /* Xanh đậm */
      --page-888b__background-light: #f5f5f5; /* Xám nhạt */
      --page-888b__text-dark: #333333; /* Xám đen */
      --page-888b__text-light: #ffffff; /* Trắng */
      --page-888b__accent-color: #00bcd4; /* Xanh ngọc */
      --page-888b__border-color: #cccccc; /* Xám */
    }

    .page-888b {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-888b__text-dark);
      background-color: var(--page-888b__background-light);
      overflow-x: hidden;
    }

    .page-888b__hero-section {
      position: relative;
      width: 100%;
      text-align: center;
      padding-top: 120px; /* Thêm padding-top để tránh bị header cố định che khuất */
      background-color: var(--page-888b__background-dark);
      color: var(--page-888b__text-light);
      padding-bottom: 40px;
    }

    .page-888b__hero-image-container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-888b__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 10px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
      object-fit: cover;
    }

    .page-888b__hero-content {
      position: relative;
      z-index: 10;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-888b__main-heading {
      font-size: 3em;
      color: var(--page-888b__secondary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-888b__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--page-888b__text-light);
    }

    .page-888b__cta-button-fixed {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-888b__primary-color);
      color: var(--page-888b__text-light);
      padding: 15px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, background-color 0.3s ease;
      z-index: 1000;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-888b__cta-button-fixed:hover {
      transform: translateY(-5px) scale(1.05);
      background-color: #c23b1a;
    }

    .page-888b__cta-button-fixed::before {
        content: '🎁';
        font-size: 1.2em;
    }

    .page-888b__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-888b__text-light);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-888b__section--dark {
      background-color: var(--page-888b__background-dark);
      color: var(--page-888b__text-light);
    }

    .page-888b__section-title {
      font-size: 2.5em;
      color: var(--page-888b__primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-888b__section-title--light {
        color: var(--page-888b__secondary-color);
    }

    .page-888b__section-title::after {
      content: '';
      display: block;
      width: 80px;
      height: 4px;
      background-color: var(--page-888b__secondary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-888b__section-title--light::after {
        background-color: var(--page-888b__primary-color);
    }

    .page-888b__text-content {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-888b__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-888b__card {
      background-color: var(--page-888b__background-light);
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .page-888b__card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-888b__card-image-container {
      width: 100%;
      height: 200px; /* Đảm bảo chiều cao tối thiểu cho hình ảnh */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: var(--page-888b__background-dark);
    }

    .page-888b__card-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: contain; /* Giữ tỷ lệ hình ảnh */
    }

    .page-888b__card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-888b__card-title {
      font-size: 1.5em;
      color: var(--page-888b__primary-color);
      margin-bottom: 10px;
    }

    .page-888b__card-text {
      font-size: 1em;
      color: var(--page-888b__text-dark);
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-888b__card-link {
      display: inline-block;
      background-color: var(--page-888b__accent-color);
      color: var(--page-888b__text-light);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-888b__card-link:hover {
      background-color: #0097a7;
    }

    .page-888b__provider-logo-container {
      background-color: var(--page-888b__text-light);
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      padding: 15px;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100px; /* Chiều cao cố định cho logo nhà cung cấp */
      transition: transform 0.3s ease;
    }

    .page-888b__provider-logo-container:hover {
        transform: scale(1.05);
    }

    .page-888b__provider-logo {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
    }

    .page-888b__list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-888b__list-item {
      background-color: var(--page-888b__background-light);
      padding: 15px 20px;
      margin-bottom: 10px;
      border-radius: 5px;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-888b__list-item::before {
      content: '✅';
      font-size: 1.2em;
      color: var(--page-888b__primary-color);
    }

    .page-888b__faq-item {
      background-color: var(--page-888b__background-light);
      border: 1px solid var(--page-888b__border-color);
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
    }

    .page-888b__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: var(--page-888b__primary-color);
      color: var(--page-888b__text-light);
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-888b__faq-question:hover {
      background-color: #c23b1a;
    }

    .page-888b__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      color: var(--page-888b__text-light);
    }

    .page-888b__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
      transition: transform 0.3s ease;
    }

    .page-888b__faq-item.active .page-888b__faq-toggle {
      transform: rotate(45deg); /* Xoay dấu '+' thành 'x' hoặc '-' */
    }

    .page-888b__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;
      background-color: var(--page-888b__text-light);
      color: var(--page-888b__text-dark);
    }

    .page-888b__faq-item.active .page-888b__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-888b__hero-section {
        padding-top: 100px; /* Giảm padding-top cho thiết bị di động */
      }

      .page-888b__main-heading {
        font-size: 2.2em;
      }

      .page-888b__hero-description {
        font-size: 1em;
      }

      .page-888b__section-title {
        font-size: 2em;
      }

      .page-888b__text-content {
        font-size: 0.95em;
      }

      .page-888b__grid {
        grid-template-columns: 1fr;
      }

      .page-888b__card-image-container {
        height: 180px;
      }

      .page-888b__card-title {
        font-size: 1.3em;
      }

      .page-888b__card-text {
        font-size: 0.9em;
      }

      .page-888b__cta-button-fixed {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-888b__hero-image,
      .page-888b__card-image,
      .page-888b__provider-logo {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-888b__hero-image-container,
      .page-888b__card-image-container,
      .page-888b__provider-logo-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-888b__main-heading {
        font-size: 1.8em;
      }
      .page-888b__section-title {
        font-size: 1.8em;
      }
      .page-888b__faq-question h3 {
        font-size: 1em;
      }
    }
  