/* CSS cho trang F168 */
    .page-f168 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: #333;
      background-color: #f9f9f9;
      padding: 20px 0;
    }

    .page-f168__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-f168__section {
      background-color: #ffffff;
      margin-bottom: 30px;
      padding: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-f168__hero {
      text-align: center;
      padding: 60px 20px;
      background: linear-gradient(135deg, #007bff, #0056b3);
      color: #fff;
      border-radius: 8px;
      margin-bottom: 30px;
      position: relative;
      overflow: hidden;
    }

    .page-f168__hero::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(255,255,255,0.1) 10%, transparent 70%);
      transform: rotate(45deg);
      opacity: 0.3;
      animation: page-f168__hero-pulse 10s infinite alternate;
    }

    @keyframes page-f168__hero-pulse {
      0% { transform: scale(0.8) rotate(45deg); opacity: 0.2; }
      100% { transform: scale(1.2) rotate(45deg); opacity: 0.4; }
    }

    .page-f168__hero h1 {
      color: #fff;
      font-size: 2.8em;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
      position: relative;
      z-index: 1;
    }

    .page-f168__hero p {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: #e0e0e0;
      position: relative;
      z-index: 1;
    }

    .page-f168__button {
      display: inline-block;
      background-color: #ffc107;
      color: #333;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
      margin: 0 10px;
      position: relative;
      z-index: 1;
    }

    .page-f168__button:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    .page-f168__button--primary {
      background-color: #28a745;
      color: #fff;
    }

    .page-f168__button--primary:hover {
      background-color: #218838;
    }

    .page-f168__h2 {
      font-size: 2em;
      color: #007bff;
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-f168__h2::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: #ffc107;
      border-radius: 2px;
    }

    .page-f168__h3 {
      font-size: 1.5em;
      color: #007bff;
      margin-bottom: 15px;
    }

    .page-f168__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .page-f168__card {
      background-color: #fefefe;
      border: 1px solid #eee;
      border-radius: 8px;
      padding: 20px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-f168__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .page-f168__card-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      object-fit: contain;
      border-radius: 50%;
      border: 2px solid #007bff;
      padding: 5px;
    }

    .page-f168__card h3 {
      font-size: 1.3em;
      margin-bottom: 10px;
      color: #333;
    }
    
    .page-f168__card h3 a {
      color: #007bff;
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-f168__card h3 a:hover {
      color: #0056b3;
      text-decoration: underline;
    }

    .page-f168__card p {
      font-size: 0.95em;
      color: #555;
      flex-grow: 1;
    }

    .page-f168__image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-bottom: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .page-f168__list {
      list-style-type: none;
      padding-left: 0;
    }

    .page-f168__list li {
      margin-bottom: 10px;
      padding-left: 25px;
      position: relative;
      color: #444;
    }

    .page-f168__list li::before {
      content: '✓';
      color: #28a745;
      position: absolute;
      left: 0;
      font-weight: bold;
    }

    .page-f168__step {
      display: flex;
      align-items: flex-start;
      margin-bottom: 25px;
      gap: 20px;
    }

    .page-f168__step-number {
      font-size: 1.8em;
      font-weight: bold;
      color: #007bff;
      background-color: #e7f3ff;
      border-radius: 50%;
      width: 45px;
      height: 45px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .page-f168__step-content h4 {
      font-size: 1.2em;
      color: #333;
      margin-top: 0;
      margin-bottom: 5px;
    }

    .page-f168__step-content p {
      color: #555;
      font-size: 0.95em;
    }

    .page-f168__faq-item {
      margin-bottom: 15px;
      border: 1px solid #eee;
      border-radius: 5px;
      overflow: hidden;
    }

    .page-f168__faq-question {
      background-color: #f0f8ff;
      padding: 15px 20px;
      cursor: pointer;
      font-weight: bold;
      color: #007bff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background-color 0.3s ease;
    }

    .page-f168__faq-question:hover {
      background-color: #e7f3ff;
    }

    .page-f168__faq-answer {
      padding: 15px 20px;
      background-color: #fff;
      border-top: 1px solid #eee;
      display: none;
      color: #555;
    }

    .page-f168__faq-question.active + .page-f168__faq-answer {
      display: block;
    }

    .page-f168__faq-question .page-f168__toggle-icon {
      font-size: 1.2em;
      transition: transform 0.3s ease;
    }

    .page-f168__faq-question.active .page-f168__toggle-icon {
      transform: rotate(180deg);
    }

    .page-f168__cta-sticky {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: #007bff;
      padding: 15px 0;
      text-align: center;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
      z-index: 1000;
      display: none; /* Hidden by default, shown by JS on mobile */
    }

    .page-f168__cta-sticky .page-f168__button {
      margin: 0 5px;
      background-color: #ffc107;
      color: #333;
    }

    .page-f168__cta-sticky .page-f168__button--primary {
        background-color: #28a745;
        color: #fff;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-f168__hero {
        padding: 40px 15px;
      }
      .page-f168__hero h1 {
        font-size: 2em;
      }
      .page-f168__hero p {
        font-size: 1em;
      }
      .page-f168__h2 {
        font-size: 1.7em;
      }
      .page-f168__h3 {
        font-size: 1.3em;
      }
      .page-f168__section {
        padding: 20px;
      }
      .page-f168__button {
        padding: 10px 20px;
        font-size: 0.9em;
        margin: 5px;
      }
      .page-f168__cta-sticky {
        display: block; /* Show sticky CTA on mobile */
      }
      .page-f168__button-group {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
      }
    }

    @media (max-width: 480px) {
      .page-f168__hero h1 {
        font-size: 1.8em;
      }
      .page-f168__h2 {
        font-size: 1.5em;
      }
      .page-f168__grid {
        grid-template-columns: 1fr;
      }
      .page-f168__step {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .page-f168__step-number {
        margin-bottom: 10px;
      }
    }