:root {
      --primary-color: #e44d26; /* Cam đỏ */
      --secondary-color: #333; /* Đen xám */
      --accent-color: #f7b731; /* Vàng cam */
      --light-bg: #f4f4f4; /* Nền sáng */
      --dark-bg: #222; /* Nền tối */
      --text-color-light: #fff; /* Chữ trắng */
      --text-color-dark: #333; /* Chữ đen */
      --border-radius-base: 8px;
      --spacing-unit: 16px;
    }

    .page-8ket {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--text-color-dark);
      background-color: var(--light-bg);
      padding-top: 10px; /* Small decorative padding, relying on body padding for header offset */
    }

    .page-8ket__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-unit);
    }

    .page-8ket__header-brand {
      text-align: center;
      padding: var(--spacing-unit) 0;
      background-color: var(--primary-color);
      color: var(--text-color-light);
      font-size: 2.5em;
      font-weight: bold;
      margin-bottom: var(--spacing-unit);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
      border-radius: var(--border-radius-base);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-8ket__section {
      padding: calc(2 * var(--spacing-unit)) 0;
      margin-bottom: var(--spacing-unit);
      background-color: var(--text-color-light);
      border-radius: var(--border-radius-base);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-8ket__section--dark {
      background-color: var(--dark-bg);
      color: var(--text-color-light);
    }

    .page-8ket__section-title {
      text-align: center;
      font-size: 2em;
      margin-bottom: calc(1.5 * var(--spacing-unit));
      color: var(--primary-color);
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-8ket__section--dark .page-8ket__section-title {
      color: var(--accent-color);
    }

    .page-8ket__text-center {
      text-align: center;
    }

    .page-8ket__hero-section {
      position: relative;
      overflow: hidden;
      padding: 0;
      margin-bottom: var(--spacing-unit);
      border-radius: var(--border-radius-base);
    }

    .page-8ket__hero-image {
      width: 100%;
      height: auto;
      display: block;
      border-radius: var(--border-radius-base);
    }

    .page-8ket__floating-buttons {
      position: fixed;
      bottom: var(--spacing-unit);
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: var(--spacing-unit);
      z-index: 1000;
    }

    .page-8ket__button {
      background-color: var(--primary-color);
      color: var(--text-color-light);
      padding: var(--spacing-unit) calc(2 * var(--spacing-unit));
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      display: inline-block;
      white-space: nowrap;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      cursor: pointer;
      border: none;
      font-size: 1em;
      line-height: 1;
    }

    .page-8ket__button:hover {
      background-color: #c73c1d;
      transform: translateY(-2px);
    }

    .page-8ket__button--secondary {
      background-color: var(--accent-color);
      color: var(--text-color-dark);
    }

    .page-8ket__button--secondary:hover {
      background-color: #e0a32a;
    }

    .page-8ket__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: calc(1.5 * var(--spacing-unit));
      padding: var(--spacing-unit);
    }

    .page-8ket__card {
      background-color: var(--text-color-light);
      border-radius: var(--border-radius-base);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease;
      height: 100%;
      word-wrap: break-word;
      overflow-wrap: break-word;
      box-sizing: border-box;
    }

    .page-8ket__card:hover {
      transform: translateY(-5px);
    }

    .page-8ket__card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-8ket__card-content {
      padding: var(--spacing-unit);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-8ket__card-title {
      font-size: 1.25em;
      margin-bottom: calc(0.5 * var(--spacing-unit));
      color: var(--primary-color);
      font-weight: bold;
    }

    .page-8ket__card-description {
      font-size: 0.9em;
      color: var(--secondary-color);
      margin-bottom: var(--spacing-unit);
    }

    .page-8ket__list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--spacing-unit);
      padding: var(--spacing-unit);
    }

    .page-8ket__list-item {
      background-color: var(--text-color-light);
      padding: var(--spacing-unit);
      border-radius: var(--border-radius-base);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
      display: flex;
      align-items: center;
      gap: var(--spacing-unit);
      word-wrap: break-word;
      overflow-wrap: break-word;
      box-sizing: border-box;
    }

    .page-8ket__list-item-image {
      width: 80px;
      height: 80px;
      object-fit: contain;
      border-radius: 4px;
      flex-shrink: 0;
    }

    .page-8ket__list-item-text {
      font-weight: bold;
      color: var(--secondary-color);
    }

    .page-8ket__list-item-link {
      color: var(--primary-color);
      text-decoration: none;
    }

    .page-8ket__list-item-link:hover {
      text-decoration: underline;
    }

    .page-8ket__faq-section {
      padding: calc(2 * var(--spacing-unit)) 0;
      background-color: var(--light-bg);
      border-radius: var(--border-radius-base);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .page-8ket__faq-item {
      margin-bottom: var(--spacing-unit);
      border: 1px solid #ddd;
      border-radius: var(--border-radius-base);
      overflow: hidden;
      background-color: var(--text-color-light);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-8ket__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: var(--spacing-unit) calc(1.5 * var(--spacing-unit));
      background-color: #f9f9f9;
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      color: var(--secondary-color);
      transition: background-color 0.3s ease;
    }

    .page-8ket__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-8ket__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--primary-color);
      pointer-events: none; /* Prevent h3 from blocking click */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-8ket__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent span from blocking click */
      color: var(--primary-color);
    }

    .page-8ket__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 calc(1.5 * var(--spacing-unit));
      background-color: var(--text-color-light);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: var(--secondary-color);
    }

    .page-8ket__faq-item.active .page-8ket__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: var(--spacing-unit) calc(1.5 * var(--spacing-unit)) !important;
      opacity: 1;
    }

    @media (max-width: 768px) {
      .page-8ket__header-brand {
        font-size: 2em;
        padding: var(--spacing-unit) calc(0.5 * var(--spacing-unit));
      }

      .page-8ket__section-title {
        font-size: 1.7em;
      }

      .page-8ket__floating-buttons {
        width: 90%;
        gap: calc(0.5 * var(--spacing-unit));
        bottom: var(--spacing-unit);
      }

      .page-8ket__button {
        padding: calc(0.8 * var(--spacing-unit)) calc(1.5 * var(--spacing-unit));
        font-size: 0.9em;
        flex: 1;
      }

      .page-8ket__grid {
        grid-template-columns: 1fr;
        padding: calc(0.5 * var(--spacing-unit));
      }

      .page-8ket__card {
        margin: 0 auto;
        max-width: 95%;
        width: 100%;
        box-sizing: border-box !important;
      }

      .page-8ket__card-image {
        height: 180px;
      }

      .page-8ket__list {
        grid-template-columns: 1fr;
        padding: calc(0.5 * var(--spacing-unit));
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-8ket__list-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: calc(0.8 * var(--spacing-unit));
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-8ket__faq-question {
        padding: var(--spacing-unit) calc(0.8 * var(--spacing-unit));
      }

      .page-8ket__faq-question h3 {
        font-size: 1em;
      }

      .page-8ket__faq-answer {
        padding: calc(0.8 * var(--spacing-unit)) calc(0.8 * var(--spacing-unit));
      }

      .page-8ket__faq-item.active .page-8ket__faq-answer {
        padding: var(--spacing-unit) calc(0.8 * var(--spacing-unit)) !important;
      }

      .page-8ket__list-item-image {
        width: 60px;
        height: 60px;
      }
    }

    @media (max-width: 480px) {
      .page-8ket__header-brand {
        font-size: 1.8em;
      }

      .page-8ket__button {
        padding: calc(0.6 * var(--spacing-unit)) calc(1 * var(--spacing-unit));
        font-size: 0.85em;
      }
    }