/* CSS cho trang sao 789 */
    :root {
      --page-sao789-primary-bg: #1a1a1a;
      --page-sao789-secondary-bg: #2a2a2a;
      --page-sao789-text-color: #ffffff;
      --page-sao789-accent-color: #ffcc00; /* Gold/Yellow */
      --page-sao789-dark-accent-color: #e6b800; /* Darker Gold */
      --page-sao789-link-color: #00aaff;
      --page-sao789-border-color: #444444;
      --page-sao789-shadow-color: rgba(0, 0, 0, 0.5);
    }

    .page-sao789 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--page-sao789-text-color);
      background-color: var(--page-sao789-primary-bg);
      line-height: 1.6;
      padding: 0;
      margin: 0;
    }

    .page-sao789-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-sao789-hero {
      background-image: url('[GALLERY:hero:sao789,banner,header]');
      background-size: cover;
      background-position: center;
      padding: 60px 20px;
      text-align: center;
      color: var(--page-sao789-text-color);
      position: relative;
      overflow: hidden;
      border-radius: 10px;
      margin-bottom: 30px;
    }

    .page-sao789-hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.6); /* Overlay for text readability */
      z-index: 1;
    }

    .page-sao789-hero-content {
      position: relative;
      z-index: 2;
    }

    .page-sao789-hero h1 {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-sao789-accent-color);
      text-shadow: 2px 2px 4px var(--page-sao789-shadow-color);
    }

    .page-sao789-hero p {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-sao789-btn {
      display: inline-block;
      background-color: var(--page-sao789-accent-color);
      color: #333333; /* Dark text for contrast on accent color */
      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-sao789-btn:hover {
      background-color: var(--page-sao789-dark-accent-color);
      transform: translateY(-2px);
    }

    .page-sao789-section {
      background-color: var(--page-sao789-secondary-bg);
      padding: 40px 20px;
      margin-bottom: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 8px var(--page-sao789-shadow-color);
    }

    .page-sao789-section h2 {
      color: var(--page-sao789-accent-color);
      font-size: 2em;
      margin-bottom: 25px;
      text-align: center;
      border-bottom: 2px solid var(--page-sao789-border-color);
      padding-bottom: 10px;
    }

    .page-sao789-section h3 {
      color: var(--page-sao789-accent-color);
      font-size: 1.5em;
      margin-top: 30px;
      margin-bottom: 15px;
      border-left: 4px solid var(--page-sao789-accent-color);
      padding-left: 10px;
    }

    .page-sao789-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-sao789-card {
      background-color: var(--page-sao789-primary-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 2px 5px var(--page-sao789-shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      text-decoration: none;
      color: inherit;
    }

    .page-sao789-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px var(--page-sao789-shadow-color);
    }

    .page-sao789-card-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    .page-sao789-card-content {
      padding: 20px;
      flex-grow: 1;
    }

    .page-sao789-card-content h3 {
      font-size: 1.3em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-sao789-accent-color);
      border-left: none;
      padding-left: 0;
    }

    .page-sao789-card-content p {
      font-size: 0.95em;
      color: var(--page-sao789-text-color);
    }

    .page-sao789-list {
      list-style: none;
      padding: 0;
    }

    .page-sao789-list li {
      background-color: var(--page-sao789-primary-bg);
      margin-bottom: 10px;
      padding: 15px;
      border-radius: 8px;
      border-left: 5px solid var(--page-sao789-accent-color);
      display: flex;
      align-items: center;
    }

    .page-sao789-list li:last-child {
      margin-bottom: 0;
    }

    .page-sao789-list li strong {
      color: var(--page-sao789-accent-color);
      margin-right: 10px;
    }

    .page-sao789-cta-banner {
      background-color: var(--page-sao789-dark-accent-color);
      color: #333333;
      text-align: center;
      padding: 30px 20px;
      border-radius: 10px;
      margin-top: 30px;
    }

    .page-sao789-cta-banner h2 {
      color: #333333;
      margin-bottom: 15px;
      font-size: 2.2em;
    }

    .page-sao789-cta-banner p {
      font-size: 1.1em;
      margin-bottom: 25px;
    }

    .page-sao789-faq-item {
      background-color: var(--page-sao789-primary-bg);
      border: 1px solid var(--page-sao789-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-sao789-faq-question {
      padding: 18px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: var(--page-sao789-accent-color);
      background-color: var(--page-sao789-secondary-bg);
      border-bottom: 1px solid var(--page-sao789-border-color);
    }

    .page-sao789-faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-sao789-faq-question .icon {
      font-size: 1.2em;
      transition: transform 0.3s ease;
    }

    .page-sao789-faq-question.active .icon {
      transform: rotate(180deg);
    }

    .page-sao789-faq-answer {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease-out;
      background-color: var(--page-sao789-primary-bg);
    }

    .page-sao789-faq-answer.open {
      max-height: 200px; /* Adjust as needed for content */
      padding: 18px 20px;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-sao789-hero {
        padding: 40px 15px;
      }

      .page-sao789-hero h1 {
        font-size: 2em;
      }

      .page-sao789-hero p {
        font-size: 1em;
      }

      .page-sao789-section h2 {
        font-size: 1.8em;
      }

      .page-sao789-section h3 {
        font-size: 1.3em;
      }

      .page-sao789-grid {
        grid-template-columns: 1fr;
      }

      .page-sao789-card-image {
        height: 150px;
      }

      .page-sao789-cta-banner h2 {
        font-size: 1.8em;
      }

      .page-sao789-cta-banner p {
        font-size: 1em;
      }
    }

    @media (max-width: 480px) {
      .page-sao789-container {
        padding: 10px;
      }

      .page-sao789-hero {
        padding: 30px 10px;
      }

      .page-sao789-hero h1 {
        font-size: 1.8em;
      }

      .page-sao789-btn {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-sao789-section {
        padding: 30px 15px;
      }
    }