:root {
      --page-xoso66app__primary-color: #e44d26; /* Cam đỏ */
      --page-xoso66app__secondary-color: #333; /* Xám đậm */
      --page-xoso66app__accent-color: #f7931e; /* Cam tươi */
      --page-xoso66app__text-color: #4a4a4a; /* Xám văn bản */
      --page-xoso66app__light-bg: #f8f8f8; /* Nền sáng */
      --page-xoso66app__white: #ffffff; /* Trắng */
      --page-xoso66app__dark-text: #1a1a1a; /* Chữ đen đậm */
    }

    .page-xoso66app {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-xoso66app__text-color);
      background-color: var(--page-xoso66app__light-bg);
    }

    .page-xoso66app__section {
      padding: 40px 15px;
      max-width: 1200px;
      margin: 0 auto;
      box-sizing: border-box;
    }

    .page-xoso66app__hero-section {
      background: linear-gradient(135deg, #2c3e50, #4ca1af); /* Dark blue to teal gradient */
      color: var(--page-xoso66app__white);
      text-align: center;
      padding: 10px 15px 60px; /* Added padding-top for fixed header */
      position: relative;
      overflow: hidden;
    }

    .page-xoso66app__hero-background-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 1;
      filter: brightness(0.7); /* Slightly darken background image */
    }

    .page-xoso66app__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-xoso66app__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-xoso66app__white);
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    .page-xoso66app__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-xoso66app__cta-button {
      display: inline-block;
      background-color: var(--page-xoso66app__accent-color);
      color: var(--page-xoso66app__white);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-xoso66app__cta-button:hover {
      background-color: #e68a1c;
      transform: translateY(-2px);
    }

    .page-xoso66app__heading-primary {
      font-size: 2em;
      color: var(--page-xoso66app__dark-text);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-xoso66app__heading-primary::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--page-xoso66app__primary-color);
      border-radius: 2px;
    }

    .page-xoso66app__heading-secondary {
      font-size: 1.6em;
      color: var(--page-xoso66app__dark-text);
      margin-top: 25px;
      margin-bottom: 15px;
    }

    .page-xoso66app__text-center {
      text-align: center;
    }

    .page-xoso66app__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-xoso66app__card {
      background-color: var(--page-xoso66app__white);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      padding: 25px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-xoso66app__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    }

    .page-xoso66app__card-icon {
      width: 100px;
      height: 100px;
      margin-bottom: 15px;
      object-fit: contain;
      border-radius: 8px; /* Ensure images are not small icons */
    }

    .page-xoso66app__card-title {
      font-size: 1.3em;
      color: var(--page-xoso66app__primary-color);
      margin-bottom: 10px;
    }

    .page-xoso66app__features-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .page-xoso66app__features-item {
      background-color: var(--page-xoso66app__white);
      padding: 20px;
      border-left: 5px solid var(--page-xoso66app__accent-color);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      text-align: left;
      box-sizing: border-box;
    }

    .page-xoso66app__features-item h3 {
      color: var(--page-xoso66app__dark-text);
      margin-top: 0;
      font-size: 1.2em;
      margin-bottom: 10px;
    }

    .page-xoso66app__step-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      counter-reset: step-counter;
    }

    .page-xoso66app__step-item {
      background-color: var(--page-xoso66app__white);
      margin-bottom: 20px;
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
      display: flex;
      align-items: flex-start;
      gap: 20px;
      box-sizing: border-box;
    }

    .page-xoso66app__step-number {
      counter-increment: step-counter;
      background-color: var(--page-xoso66app__primary-color);
      color: var(--page-xoso66app__white);
      width: 45px;
      height: 45px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 1.5em;
      font-weight: bold;
      flex-shrink: 0;
    }

    .page-xoso66app__step-number::before {
      content: counter(step-counter);
    }

    .page-xoso66app__step-content h3 {
      margin-top: 0;
      color: var(--page-xoso66app__dark-text);
      font-size: 1.3em;
    }

    .page-xoso66app__image-full-width {
      width: 100%;
      height: auto;
      display: block;
      margin: 20px 0;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      object-fit: cover;
      max-width: 100%;
      box-sizing: border-box;
    }

    /* FAQ Section Styles */
    .page-xoso66app__faq-section {
      background-color: var(--page-xoso66app__light-bg);
      padding: 50px 15px;
      max-width: 900px;
      margin: 40px auto;
      border-radius: 10px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
      box-sizing: border-box;
    }

    .page-xoso66app__faq-title {
      text-align: center;
      color: var(--page-xoso66app__dark-text);
      font-size: 2em;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-xoso66app__faq-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--page-xoso66app__primary-color);
      border-radius: 2px;
    }

    .page-xoso66app__faq-item {
      background-color: var(--page-xoso66app__white);
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-xoso66app__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: var(--page-xoso66app__white);
      color: var(--page-xoso66app__dark-text);
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-xoso66app__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-xoso66app__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click event */
      color: var(--page-xoso66app__dark-text);
    }

    .page-xoso66app__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-xoso66app__primary-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-xoso66app__faq-item.active .page-xoso66app__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-xoso66app__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: var(--page-xoso66app__light-bg);
      color: var(--page-xoso66app__text-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-xoso66app__faq-item.active .page-xoso66app__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px !important;
      opacity: 1;
    }

    /* Floating CTA Button */
    .page-xoso66app__floating-cta {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-xoso66app__primary-color);
      color: var(--page-xoso66app__white);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      transition: background-color 0.3s ease, transform 0.2s ease;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-xoso66app__floating-cta:hover {
      background-color: #c43e1c;
      transform: translateY(-3px);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-xoso66app__hero-title {
        font-size: 2em;
      }

      .page-xoso66app__hero-subtitle {
        font-size: 1em;
      }

      .page-xoso66app__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-xoso66app__heading-primary {
        font-size: 1.8em;
      }

      .page-xoso66app__heading-secondary {
        font-size: 1.4em;
      }

      .page-xoso66app__grid {
        grid-template-columns: 1fr;
      }

      .page-xoso66app__section {
        padding: 30px 15px;
      }

      .page-xoso66app__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .page-xoso66app__step-number {
        margin-bottom: 15px;
      }
      
      .page-xoso66app__features-list {
        grid-template-columns: 1fr;
      }

      .page-xoso66app__features-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      
      .page-xoso66app__features-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-xoso66app__step-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-xoso66app__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-xoso66app__card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      
      .page-xoso66app__grid {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-xoso66app__faq-question {
        font-size: 1em;
        padding: 12px 15px;
      }

      .page-xoso66app__faq-answer {
        padding: 0 15px;
      }

      .page-xoso66app__faq-item.active .page-xoso66app__faq-answer {
        padding: 15px !important;
      }

      .page-xoso66app__floating-cta {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 1em;
      }
      
      .page-xoso66app__image-full-width {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }