/* CSS riêng cho trang 90ok.com */
    .page-90okcom {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f9f9f9;
      padding-bottom: 80px; /* Để chừa chỗ cho floating CTA */
    }

    .page-90okcom .page-90okcom__hero {
      background: linear-gradient(135deg, #1a2a6c 0%, #b21f1f 100%);
      color: #fff;
      padding: 40px 20px;
      text-align: center;
      position: relative;
      overflow: hidden;
      border-bottom-left-radius: 20px;
      border-bottom-right-radius: 20px;
    }

    .page-90okcom .page-90okcom__hero h1 {
      font-size: 2.5em;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
      color: #ffd700; /* Vàng kim */
    }

    .page-90okcom .page-90okcom__hero p {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto 30px auto;
      color: #e0e0e0;
    }

    .page-90okcom .page-90okcom__cta-button {
      display: inline-block;
      background-color: #00b300; /* Xanh lá cây nổi bật */
      color: #fff;
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 15px rgba(0, 179, 0, 0.4);
    }

    .page-90okcom .page-90okcom__cta-button:hover {
      background-color: #008000;
      transform: translateY(-2px);
    }

    .page-90okcom .page-90okcom__section {
      padding: 30px 20px;
      margin: 20px auto;
      max-width: 1200px;
      background-color: #fff;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-90okcom .page-90okcom__section h2 {
      font-size: 2em;
      color: #1a2a6c;
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-90okcom .page-90okcom__section h2::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: #b21f1f;
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-90okcom .page-90okcom__section h3 {
      font-size: 1.5em;
      color: #b21f1f;
      margin-top: 25px;
      margin-bottom: 15px;
      border-left: 5px solid #ffd700;
      padding-left: 10px;
    }

    .page-90okcom .page-90okcom__content-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 20px;
    }

    .page-90okcom .page-90okcom__card {
      background-color: #fff;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      padding: 20px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-90okcom .page-90okcom__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-90okcom .page-90okcom__card img {
      max-width: 100%;
      height: 150px;
      object-fit: contain;
      margin-bottom: 15px;
      border-radius: 5px;
    }

    .page-90okcom .page-90okcom__card h4 {
      font-size: 1.2em;
      color: #1a2a6c;
      margin-bottom: 10px;
    }

    .page-90okcom .page-90okcom__card p {
      font-size: 0.95em;
      color: #555;
    }

    .page-90okcom .page-90okcom__steps-list {
      list-style: none;
      padding: 0;
    }

    .page-90okcom .page-90okcom__steps-list li {
      background-color: #eef;
      border-left: 5px solid #1a2a6c;
      margin-bottom: 15px;
      padding: 15px 20px;
      border-radius: 8px;
      display: flex;
      align-items: center;
    }

    .page-90okcom .page-90okcom__steps-list li strong {
      color: #b21f1f;
      margin-right: 10px;
      font-size: 1.1em;
    }

    .page-90okcom .page-90okcom__steps-list li img {
      max-width: 120px;
      height: auto;
      border-radius: 5px;
      margin-left: 15px;
    }

    .page-90okcom .page-90okcom__faq-item {
      margin-bottom: 15px;
      border: 1px solid #ddd;
      border-radius: 8px;
      overflow: hidden;
    }

    .page-90okcom .page-90okcom__faq-question {
      background-color: #f0f0f0;
      padding: 15px 20px;
      cursor: pointer;
      font-weight: bold;
      color: #1a2a6c;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .page-90okcom .page-90okcom__faq-question::after {
      content: '+';
      font-size: 1.5em;
      transition: transform 0.3s ease;
    }

    .page-90okcom .page-90okcom__faq-question.active::after {
      transform: rotate(45deg);
    }

    .page-90okcom .page-90okcom__faq-answer {
      padding: 15px 20px;
      background-color: #fff;
      border-top: 1px solid #eee;
      display: none;
      color: #555;
    }

    .page-90okcom .page-90okcom__floating-cta {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #b21f1f; /* Đỏ nổi bật */
      color: #fff;
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      display: flex;
      align-items: center;
      gap: 10px;
      animation: page-90okcom-pulse 2s infinite;
    }

    .page-90okcom .page-90okcom__floating-cta:hover {
      background-color: #8c1919;
      animation: none;
    }

    @keyframes page-90okcom-pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.03); }
      100% { transform: translateX(-50%) scale(1); }
    }

    .page-90okcom .page-90okcom__floating-cta img {
      height: 25px;
      width: 25px;
      vertical-align: middle;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-90okcom .page-90okcom__hero h1 {
        font-size: 2em;
      }
      .page-90okcom .page-90okcom__hero p {
        font-size: 1em;
      }
      .page-90okcom .page-90okcom__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }
      .page-90okcom .page-90okcom__section {
        padding: 20px 15px;
        margin: 15px auto;
      }
      .page-90okcom .page-90okcom__section h2 {
        font-size: 1.8em;
      }
      .page-90okcom .page-90okcom__section h3 {
        font-size: 1.3em;
      }
      .page-90okcom .page-90okcom__content-grid {
        grid-template-columns: 1fr;
      }
      .page-90okcom .page-90okcom__steps-list li {
        flex-direction: column;
        align-items: flex-start;
      }
      .page-90okcom .page-90okcom__steps-list li img {
        margin-top: 10px;
        margin-left: 0;
      }
      .page-90okcom .page-90okcom__floating-cta {
        width: calc(100% - 40px);
        max-width: 350px;
        font-size: 1em;
        padding: 10px 15px;
        bottom: 15px;
      }
    }