:root {
      --primary-color: #e44d26; /* Cam đỏ */
      --secondary-color: #f7b731; /* Vàng */
      --accent-color: #33a6b8; /* Xanh */
      --text-dark: #333;
      --text-light: #fff;
      --bg-light: #f9f9f9;
      --bg-dark: #2c3e50; /* Xám xanh đậm */
      --border-color: #ddd;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-dark);
      background-color: var(--bg-light);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__hero-section {
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      color: var(--text-light);
      text-align: center;
      padding: 60px 20px 40px;
      margin-bottom: 40px;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      padding-top: 10px; /* Small padding top, assuming body handles header offset */
      position: relative;
      overflow: hidden;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('[GALLERY:pattern:1920x1080:abstract,geometric,background]') no-repeat center center/cover;
        opacity: 0.1;
        z-index: 0;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__hero-content {
        position: relative;
        z-index: 1;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
      color: var(--text-light);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__hero-subtitle {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: #eee;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__button {
      display: inline-block;
      background-color: var(--accent-color);
      color: var(--text-light);
      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;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__button:hover {
      background-color: #2a8ea0;
      transform: translateY(-2px);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__section {
      background-color: var(--text-light);
      padding: 40px 20px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__section-title {
      font-size: 2em;
      color: var(--primary-color);
      margin-bottom: 25px;
      text-align: center;
      position: relative;
      padding-bottom: 10px;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--secondary-color);
      border-radius: 2px;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__text-content p {
      margin-bottom: 15px;
      font-size: 1.05em;
      line-height: 1.7;
      color: #555;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__image-wrapper {
      text-align: center;
      margin: 30px 0;
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      vertical-align: middle;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__list-item {
      background-color: var(--bg-light);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      border-left: 5px solid var(--primary-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__list-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__list-item h3 {
      color: var(--accent-color);
      margin-top: 0;
      margin-bottom: 10px;
      font-size: 1.3em;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__list-item p {
      font-size: 0.95em;
      color: #666;
    }

    /* FAQ Section Styles */
    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-section {
      background-color: var(--bg-light);
      padding: 40px 20px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: var(--primary-color);
      color: var(--text-light);
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-question:hover {
      background-color: #c7401f;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--text-light);
      pointer-events: none; /* Prevent h3 from capturing click */
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from capturing click */
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-item.active .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-toggle {
      transform: rotate(45deg);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: var(--bg-light);
      color: var(--text-dark);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-item.active .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-answer p {
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__cta-section {
      text-align: center;
      padding: 50px 20px;
      background-color: var(--bg-dark);
      color: var(--text-light);
      border-radius: 8px;
      margin-bottom: 40px;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__cta-title {
      font-size: 2.2em;
      margin-bottom: 20px;
      color: var(--secondary-color);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__cta-description {
      font-size: 1.1em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: #eee;
    }

    /* Floating Buttons */
    .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-button {
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 12px 20px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.2s ease;
      white-space: nowrap;
      text-align: center;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-button--register {
      background-color: var(--primary-color);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-button--login {
      background-color: var(--accent-color);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-button:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-button--register:hover {
      background-color: #c7401f;
    }

    .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-button--login:hover {
      background-color: #2a8ea0;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-trang-web-c-c-c-b-ng-h-p-ph-p__hero-title {
        font-size: 2em;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__hero-subtitle {
        font-size: 1.1em;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__section-title {
        font-size: 1.8em;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__list {
        grid-template-columns: 1fr;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__list-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__list-item p {
        font-size: 0.9em;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 10px; /* Adjust padding to prevent image touching edges */
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__image {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-question {
        font-size: 1em;
        padding: 15px 18px;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-question h3 {
        font-size: 1em;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__faq-answer {
        padding: 15px 18px !important;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__cta-title {
        font-size: 1.8em;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__cta-description {
        font-size: 1em;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 8px;
      }

      .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-button {
        padding: 10px 18px;
        font-size: 0.9em;
      }
    }

    @media (max-width: 480px) {
        .page-trang-web-c-c-c-b-ng-h-p-ph-p__hero-title {
            font-size: 1.6em;
        }
        .page-trang-web-c-c-c-b-ng-h-p-ph-p__hero-subtitle {
            font-size: 0.95em;
        }
        .page-trang-web-c-c-c-b-ng-h-p-ph-p__section-title {
            font-size: 1.5em;
        }
        .page-trang-web-c-c-c-b-ng-h-p-ph-p__text-content p {
            font-size: 0.95em;
        }
        .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-buttons {
            flex-direction: row; /* Change to row for smaller screens */
            width: calc(100% - 30px); /* Adjust width */
            justify-content: space-around;
            left: 15px;
            right: 15px;
            bottom: 15px;
            background-color: rgba(0, 0, 0, 0.7); /* Add background for readability */
            padding: 10px;
            border-radius: 10px;
        }
        .page-trang-web-c-c-c-b-ng-h-p-ph-p__floating-button {
            flex: 1; /* Distribute space evenly */
            margin: 0 5px; /* Add some margin between buttons */
        }
    }