:root {
      --page-hubet-primary-color: #007bff; /* Xanh dương */
      --page-hubet-secondary-color: #ffc107; /* Vàng */
      --page-hubet-background-dark: #1a1a2e; /* Nền tối */
      --page-hubet-background-light: #f8f9fa; /* Nền sáng */
      --page-hubet-text-color-light: #ffffff; /* Chữ trắng */
      --page-hubet-text-color-dark: #333333; /* Chữ đen */
      --page-hubet-accent-color: #dc3545; /* Đỏ */
      --page-hubet-border-color: #444455;
    }

    .page-hubet {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-hubet-text-color-dark);
      background-color: var(--page-hubet-background-light);
      padding-bottom: 80px; /* Space for floating CTA */
    }

    .page-hubet-section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
    }

    .page-hubet-section-dark {
      background-color: var(--page-hubet-background-dark);
      color: var(--page-hubet-text-color-light);
    }

    .page-hubet-section-light {
      background-color: var(--page-hubet-background-light);
      color: var(--page-hubet-text-color-dark);
    }

    .page-hubet-hero {
      text-align: center;
      padding: 60px 20px;
      background: linear-gradient(135deg, var(--page-hubet-background-dark) 0%, #3a3a5a 100%);
      color: var(--page-hubet-text-color-light);
      position: relative;
      overflow: hidden;
    }

    .page-hubet-hero::before {
      content: '';
      position: absolute;
      top: -50px;
      left: -50px;
      width: 200px;
      height: 200px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 50%;
      transform: rotate(45deg);
    }

    .page-hubet-hero::after {
      content: '';
      position: absolute;
      bottom: -50px;
      right: -50px;
      width: 250px;
      height: 250px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 50%;
      transform: rotate(-30deg);
    }

    .page-hubet-hero h1 {
      font-size: 2.8em;
      margin-bottom: 20px;
      color: var(--page-hubet-secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

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

    .page-hubet-button {
      display: inline-block;
      background-color: var(--page-hubet-primary-color);
      color: var(--page-hubet-text-color-light);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 123, 255, 0.4);
    }

    .page-hubet-button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-hubet-button-secondary {
      background-color: var(--page-hubet-secondary-color);
      color: var(--page-hubet-text-color-dark);
      box-shadow: 0 4px 10px rgba(255, 193, 7, 0.4);
    }

    .page-hubet-button-secondary:hover {
      background-color: #e0a800;
      color: var(--page-hubet-text-color-dark);
    }

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

    .page-hubet-card {
      background-color: var(--page-hubet-text-color-light);
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      padding: 25px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid #e0e0e0;
    }

    .page-hubet-card-dark {
        background-color: #2a2a4a;
        color: var(--page-hubet-text-color-light);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        border: 1px solid var(--page-hubet-border-color);
    }

    .page-hubet-card-dark h3 {
        color: var(--page-hubet-secondary-color);
    }

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

    .page-hubet-card img {
      max-width: 100px;
      height: auto;
      margin-bottom: 15px;
      border-radius: 8px;
    }

    .page-hubet-card h3 {
      font-size: 1.5em;
      margin-bottom: 10px;
      color: var(--page-hubet-primary-color);
    }

    .page-hubet-card p {
      font-size: 0.95em;
      color: #555;
    }

    .page-hubet-card-dark p {
        color: #ccc;
    }

    .page-hubet-heading {
      text-align: center;
      font-size: 2.2em;
      margin-bottom: 40px;
      color: var(--page-hubet-primary-color);
      position: relative;
    }

    .page-hubet-section-dark .page-hubet-heading {
        color: var(--page-hubet-secondary-color);
    }

    .page-hubet-heading::after {
      content: '';
      display: block;
      width: 80px;
      height: 4px;
      background-color: var(--page-hubet-secondary-color);
      margin: 15px auto 0;
      border-radius: 2px;
    }

    .page-hubet-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
    }

    .page-hubet-list li {
      background-color: var(--page-hubet-text-color-light);
      margin-bottom: 15px;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: flex-start;
    }

    .page-hubet-section-dark .page-hubet-list li {
        background-color: #2a2a4a;
        color: var(--page-hubet-text-color-light);
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
        border: 1px solid var(--page-hubet-border-color);
    }

    .page-hubet-list li::before {
      content: '✓';
      color: var(--page-hubet-primary-color);
      font-weight: bold;
      margin-right: 15px;
      font-size: 1.2em;
      line-height: 1;
    }

    .page-hubet-section-dark .page-hubet-list li::before {
        color: var(--page-hubet-secondary-color);
    }

    .page-hubet-list li strong {
      color: var(--page-hubet-primary-color);
    }

    .page-hubet-section-dark .page-hubet-list li strong {
        color: var(--page-hubet-secondary-color);
    }

    .page-hubet-image-full {
        width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 20px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .page-hubet-cta-banner {
      background: linear-gradient(90deg, var(--page-hubet-primary-color) 0%, #0056b3 100%);
      color: var(--page-hubet-text-color-light);
      text-align: center;
      padding: 30px 20px;
      border-radius: 10px;
      margin-top: 50px;
      box-shadow: 0 8px 20px rgba(0, 123, 255, 0.3);
    }

    .page-hubet-cta-banner h2 {
      font-size: 2em;
      margin-bottom: 15px;
    }

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

    .page-hubet-floating-cta {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: var(--page-hubet-accent-color);
      color: var(--page-hubet-text-color-light);
      text-align: center;
      padding: 15px 20px;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 15px;
    }

    .page-hubet-floating-cta .page-hubet-button {
      background-color: var(--page-hubet-secondary-color);
      color: var(--page-hubet-text-color-dark);
      padding: 10px 20px;
      font-size: 1em;
      box-shadow: none;
    }

    .page-hubet-floating-cta .page-hubet-button:hover {
        background-color: #e0a800;
    }

    .page-hubet-floating-cta p {
        margin: 0;
        font-size: 1.1em;
        font-weight: bold;
    }

    @media (max-width: 768px) {
      .page-hubet-hero h1 {
        font-size: 2em;
      }
      .page-hubet-hero p {
        font-size: 1em;
      }
      .page-hubet-heading {
        font-size: 1.8em;
      }
      .page-hubet-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-hubet-card {
        padding: 20px;
      }
      .page-hubet-card h3 {
        font-size: 1.3em;
      }
      .page-hubet-list li {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .page-hubet-list li::before {
        margin-bottom: 10px;
      }
      .page-hubet-floating-cta {
          flex-direction: column;
          gap: 10px;
          padding: 10px 15px;
      }
      .page-hubet-floating-cta p {
          font-size: 0.9em;
      }
      .page-hubet-floating-cta .page-hubet-button {
          width: 100%;
          padding: 8px 15px;
      }
    }