/* CSS cho trang Đăng nhập hi8823.com */
    :root {
      --page-hi8823login-primary: #007bff; /* Xanh dương */
      --page-hi8823login-secondary: #6c757d; /* Xám */
      --page-hi8823login-accent: #ffc107; /* Vàng */
      --page-hi8823login-background: #f8f9fa; /* Trắng ngà */
      --page-hi8823login-text-dark: #212529; /* Đen đậm */
      --page-hi8823login-text-light: #ffffff; /* Trắng */
      --page-hi8823login-border: #dee2e6; /* Xám nhạt */
      --page-hi8823login-success: #28a745; /* Xanh lá */
      --page-hi8823login-danger: #dc3545; /* Đỏ */
    }

    .page-hi8823login {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-hi8823login-text-dark);
      background-color: var(--page-hi8823login-background);
      padding: 20px 0;
    }

    .page-hi8823login .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-hi8823login h1,
    .page-hi8823login h2,
    .page-hi8823login h3 {
      color: var(--page-hi8823login-primary);
      margin-bottom: 15px;
      line-height: 1.3;
    }

    .page-hi8823login h1 {
      font-size: 2.5em;
      text-align: center;
      margin-top: 30px;
      color: #0056b3; /* Darker primary for H1 */
    }

    .page-hi8823login h2 {
      font-size: 2em;
      border-bottom: 2px solid var(--page-hi8823login-border);
      padding-bottom: 10px;
      margin-top: 30px;
    }

    .page-hi8823login h3 {
      font-size: 1.5em;
      margin-top: 25px;
    }

    .page-hi8823login p {
      margin-bottom: 15px;
    }

    .page-hi8823login strong {
      color: var(--page-hi8823login-primary);
    }

    .page-hi8823login .button {
      display: inline-block;
      background-color: var(--page-hi8823login-primary);
      color: var(--page-hi8823login-text-light);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      margin-top: 15px;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-hi8823login .button:hover {
      background-color: #0056b3; /* Darker primary on hover */
    }

    .page-hi8823login .button.accent {
      background-color: var(--page-hi8823login-accent);
      color: var(--page-hi8823login-text-dark);
    }

    .page-hi8823login .button.accent:hover {
      background-color: #e0a800; /* Darker accent on hover */
    }

    .page-hi8823login .section-promo {
      background-color: #e9f7ff; /* Light blue background */
      padding: 40px 20px;
      text-align: center;
      border-radius: 8px;
      margin-bottom: 30px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }

    .page-hi8823login .section-promo h2 {
      color: #0056b3;
      border-bottom: none;
      margin-bottom: 20px;
    }

    .page-hi8823login .section-promo p {
      font-size: 1.1em;
      margin-bottom: 25px;
      color: var(--page-hi8823login-text-dark);
    }

    .page-hi8823login .step-list {
      list-style: none;
      padding: 0;
      margin-bottom: 30px;
    }

    .page-hi8823login .step-list li {
      background-color: var(--page-hi8823login-text-light);
      border: 1px solid var(--page-hi8823login-border);
      margin-bottom: 10px;
      padding: 15px 20px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }

    .page-hi8823login .step-list li .step-number {
      background-color: var(--page-hi8823login-primary);
      color: var(--page-hi8823login-text-light);
      border-radius: 50%;
      width: 35px;
      height: 35px;
      display: flex;
      justify-content: center;
      align-items: center;
      font-weight: bold;
      font-size: 1.2em;
      margin-right: 15px;
      flex-shrink: 0;
    }

    .page-hi8823login .image-caption {
      text-align: center;
      font-style: italic;
      color: var(--page-hi8823login-secondary);
      margin-top: 5px;
      margin-bottom: 20px;
      font-size: 0.9em;
    }

    .page-hi8823login .image-full-width {
      width: 100%;
      height: auto;
      max-width: 800px;
      display: block;
      margin: 20px auto;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }

    .page-hi8823login .faq-item {
      background-color: var(--page-hi8823login-text-light);
      border: 1px solid var(--page-hi8823login-border);
      border-radius: 8px;
      margin-bottom: 10px;
      overflow: hidden;
    }

    .page-hi8823login .faq-question {
      padding: 15px 20px;
      cursor: pointer;
      font-weight: bold;
      color: var(--page-hi8823login-primary);
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: #f0f8ff; /* Light background for questions */
    }

    .page-hi8823login .faq-question:hover {
      background-color: #e6f2ff;
    }

    .page-hi8823login .faq-question::after {
      content: '+';
      font-size: 1.5em;
      transition: transform 0.3s ease;
    }

    .page-hi8823login .faq-question.active::after {
      content: '-';
      transform: rotate(180deg);
    }

    .page-hi8823login .faq-answer {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease-out;
      background-color: #ffffff;
    }

    .page-hi8823login .faq-answer.open {
      max-height: 200px; /* Adjust as needed, will be overridden by JS for dynamic height */
      padding: 15px 20px;
    }

    .page-hi8823login .call-to-action-sticky {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-hi8823login-success);
      color: var(--page-hi8823login-text-light);
      padding: 15px 20px;
      border-radius: 50px;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0,0,0,0.2);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      z-index: 1000;
      transition: background-color 0.3s ease;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-hi8823login .call-to-action-sticky:hover {
      background-color: #218838; /* Darker green */
    }

    .page-hi8823login .call-to-action-sticky .icon {
      font-size: 1.5em;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-hi8823login h1 {
        font-size: 2em;
      }
      .page-hi8823login h2 {
        font-size: 1.7em;
      }
      .page-hi8823login h3 {
        font-size: 1.3em;
      }
      .page-hi8823login .button {
        padding: 10px 20px;
        font-size: 0.95em;
      }
      .page-hi8823login .section-promo {
        padding: 30px 15px;
      }
      .page-hi8823login .step-list li {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
      }
      .page-hi8823login .step-list li .step-number {
        margin-right: 0;
        margin-bottom: 10px;
      }
      .page-hi8823login .faq-question {
        font-size: 0.95em;
      }
      .page-hi8823login .call-to-action-sticky {
        bottom: 15px;
        right: 15px;
        padding: 12px 18px;
        font-size: 1em;
      }
      .page-hi8823login .button {
        display: block;
        width: 100%;
        margin-left: 0 !important; /* Override inline style */
        margin-bottom: 10px;
      }
      .page-hi8823login .button:last-child {
        margin-bottom: 0;
      }
    }