:root {
      --page-f168s-qu-t-ng__primary-color: #ffcc00; /* Vàng sáng */
      --page-f168s-qu-t-ng__secondary-color: #007bff; /* Xanh dương */
      --page-f168s-qu-t-ng__dark-bg: #1a1a1a;
      --page-f168s-qu-t-ng__light-text: #f0f0f0;
      --page-f168s-qu-t-ng__medium-gray: #333333;
      --page-f168s-qu-t-ng__border-color: #444444;
      --page-f168s-qu-t-ng__button-bg: #e60000; /* Đỏ cho nút hành động */
      --page-f168s-qu-t-ng__button-hover-bg: #cc0000;
    }

    .page-f168s-qu-t-ng {
      font-family: 'Arial', sans-serif;
      color: var(--page-f168s-qu-t-ng__light-text);
      background-color: var(--page-f168s-qu-t-ng__dark-bg);
      line-height: 1.6;
      padding-top: 10px; /* Nhỏ hơn so với header-offset để tránh trùng */
    }

    .page-f168s-qu-t-ng__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-f168s-qu-t-ng__section {
      padding: 40px 0;
      margin-bottom: 20px;
      border-radius: 8px;
      text-align: center;
    }

    .page-f168s-qu-t-ng__section--dark {
      background-color: var(--page-f168s-qu-t-ng__medium-gray);
    }

    .page-f168s-qu-t-ng__hero-section {
      background-color: var(--page-f168s-qu-t-ng__dark-bg);
      padding: 60px 20px;
      text-align: center;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .page-f168s-qu-t-ng__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 0;
    }

    .page-f168s-qu-t-ng__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-f168s-qu-t-ng__hero-title {
      font-size: 3.5em;
      color: var(--page-f168s-qu-t-ng__primary-color);
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-f168s-qu-t-ng__hero-subtitle {
      font-size: 1.5em;
      color: var(--page-f168s-qu-t-ng__light-text);
      margin-bottom: 30px;
      font-weight: normal;
    }

    .page-f168s-qu-t-ng__button-group {
      display: flex;
      gap: 15px;
      justify-content: center;
    }

    .page-f168s-qu-t-ng__button {
      background-color: var(--page-f168s-qu-t-ng__button-bg);
      color: var(--page-f168s-qu-t-ng__light-text);
      padding: 15px 30px;
      border: none;
      border-radius: 5px;
      font-size: 1.1em;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none;
      display: inline-block;
      text-align: center;
      white-space: nowrap;
    }

    .page-f168s-qu-t-ng__button:hover {
      background-color: var(--page-f168s-qu-t-ng__button-hover-bg);
      transform: translateY(-2px);
    }

    .page-f168s-qu-t-ng__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
    }

    .page-f168s-qu-t-ng__floating-button {
      background-color: var(--page-f168s-qu-t-ng__button-bg);
      color: var(--page-f168s-qu-t-ng__light-text);
      padding: 12px 25px;
      border: none;
      border-radius: 50px;
      font-size: 1.1em;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none;
      white-space: nowrap;
    }

    .page-f168s-qu-t-ng__floating-button:hover {
      background-color: var(--page-f168s-qu-t-ng__button-hover-bg);
      transform: translateY(-3px);
    }

    .page-f168s-qu-t-ng__h2 {
      font-size: 2.5em;
      color: var(--page-f168s-qu-t-ng__primary-color);
      margin-bottom: 30px;
      text-align: center;
      position: relative;
    }

    .page-f168s-qu-t-ng__h2::after {
      content: '';
      display: block;
      width: 80px;
      height: 4px;
      background-color: var(--page-f168s-qu-t-ng__button-bg);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-f168s-qu-t-ng__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-f168s-qu-t-ng__promotion-card {
      background-color: var(--page-f168s-qu-t-ng__dark-bg);
      border: 1px solid var(--page-f168s-qu-t-ng__border-color);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .page-f168s-qu-t-ng__promotion-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

    .page-f168s-qu-t-ng__promotion-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-f168s-qu-t-ng__promotion-content {
      padding: 25px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-f168s-qu-t-ng__promotion-title {
      font-size: 1.8em;
      color: var(--page-f168s-qu-t-ng__primary-color);
      margin-bottom: 15px;
    }

    .page-f168s-qu-t-ng__promotion-description {
      font-size: 1em;
      color: var(--page-f168s-qu-t-ng__light-text);
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .page-f168s-qu-t-ng__promotion-cta {
      background-color: var(--page-f168s-qu-t-ng__secondary-color);
      color: var(--page-f168s-qu-t-ng__light-text);
      padding: 12px 20px;
      border-radius: 5px;
      text-decoration: none;
      display: inline-block;
      margin-top: auto; /* Đẩy nút xuống dưới cùng */
      transition: background-color 0.3s ease;
    }

    .page-f168s-qu-t-ng__promotion-cta:hover {
      background-color: #0056b3;
    }

    .page-f168s-qu-t-ng__steps-list {
      list-style: none;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 40px;
    }

    .page-f168s-qu-t-ng__step-item {
      background-color: var(--page-f168s-qu-t-ng__dark-bg);
      border: 1px solid var(--page-f168s-qu-t-ng__border-color);
      border-radius: 10px;
      padding: 30px;
      flex: 1;
      min-width: 280px;
      max-width: 350px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      text-align: center;
      box-sizing: border-box;
      transition: transform 0.3s ease;
    }

    .page-f168s-qu-t-ng__step-item:hover {
      transform: translateY(-5px);
    }

    .page-f168s-qu-t-ng__step-number {
      font-size: 2.5em;
      color: var(--page-f168s-qu-t-ng__button-bg);
      font-weight: bold;
      margin-bottom: 15px;
    }

    .page-f168s-qu-t-ng__step-title {
      font-size: 1.5em;
      color: var(--page-f168s-qu-t-ng__primary-color);
      margin-bottom: 10px;
    }

    .page-f168s-qu-t-ng__step-description {
      font-size: 1em;
      color: var(--page-f168s-qu-t-ng__light-text);
    }

    .page-f168s-qu-t-ng__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-f168s-qu-t-ng__feature-card {
      background-color: var(--page-f168s-qu-t-ng__dark-bg);
      border: 1px solid var(--page-f168s-qu-t-ng__border-color);
      border-radius: 10px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      box-sizing: border-box;
      transition: transform 0.3s ease;
    }

    .page-f168s-qu-t-ng__feature-card:hover {
      transform: scale(1.03);
    }

    .page-f168s-qu-t-ng__feature-image {
      width: 150px;
      height: 150px;
      object-fit: contain;
      margin-bottom: 20px;
      border-radius: 8px;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-f168s-qu-t-ng__feature-title {
      font-size: 1.5em;
      color: var(--page-f168s-qu-t-ng__primary-color);
      margin-bottom: 10px;
    }

    .page-f168s-qu-t-ng__feature-description {
      font-size: 0.95em;
      color: var(--page-f168s-qu-t-ng__light-text);
    }

    .page-f168s-qu-t-ng__faq-section {
      background-color: var(--page-f168s-qu-t-ng__medium-gray);
      padding: 60px 0;
    }

    .page-f168s-qu-t-ng__faq-list {
      max-width: 900px;
      margin: 40px auto 0;
      padding: 0;
      list-style: none;
    }

    .page-f168s-qu-t-ng__faq-item {
      background-color: var(--page-f168s-qu-t-ng__dark-bg);
      border: 1px solid var(--page-f168s-qu-t-ng__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-f168s-qu-t-ng__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: var(--page-f168s-qu-t-ng__medium-gray);
      color: var(--page-f168s-qu-t-ng__primary-color);
      font-size: 1.2em;
      font-weight: bold;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-f168s-qu-t-ng__faq-question:hover {
      background-color: #4a4a4a;
    }

    .page-f168s-qu-t-ng__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      text-align: left;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-f168s-qu-t-ng__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-f168s-qu-t-ng__faq-item.active .page-f168s-qu-t-ng__faq-toggle {
      transform: rotate(45deg); /* Plus to X/Minus */
    }

    .page-f168s-qu-t-ng__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: var(--page-f168s-qu-t-ng__light-text);
      background-color: var(--page-f168s-qu-t-ng__dark-bg);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      text-align: left;
    }

    .page-f168s-qu-t-ng__faq-item.active .page-f168s-qu-t-ng__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px !important;
      opacity: 1;
    }

    .page-f168s-qu-t-ng__faq-answer p {
      margin: 0;
    }

    /* Mobile Responsiveness */
    @media (max-width: 768px) {
      .page-f168s-qu-t-ng__hero-title {
        font-size: 2.5em;
      }

      .page-f168s-qu-t-ng__hero-subtitle {
        font-size: 1.2em;
      }

      .page-f168s-qu-t-ng__button-group {
        flex-direction: column;
      }

      .page-f168s-qu-t-ng__button {
        width: 100%;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-f168s-qu-t-ng__floating-buttons {
        flex-direction: column;
        width: calc(100% - 40px);
        bottom: 15px;
        left: 20px;
        transform: translateX(0);
        align-items: center;
      }

      .page-f168s-qu-t-ng__floating-button {
        width: 100%;
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-f168s-qu-t-ng__h2 {
        font-size: 2em;
      }

      .page-f168s-qu-t-ng__promotion-grid,
      .page-f168s-qu-t-ng__steps-list,
      .page-f168s-qu-t-ng__feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-f168s-qu-t-ng__step-item,
      .page-f168s-qu-t-ng__feature-card {
        max-width: 100% !important;
        width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
        padding: 25px;
      }
      
      .page-f168s-qu-t-ng__promotion-image,
      .page-f168s-qu-t-ng__feature-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-f168s-qu-t-ng__promotion-card {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-f168s-qu-t-ng__faq-list {
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 0 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      
      .page-f168s-qu-t-ng__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-f168s-qu-t-ng__faq-question {
        font-size: 1.1em;
        padding: 12px 15px;
      }

      .page-f168s-qu-t-ng__faq-answer {
        padding: 15px !important;
      }

      .page-f168s-qu-t-ng__faq-answer p {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }