:root {
      --primary-color: #e44d26; /* Màu cam đỏ */
      --secondary-color: #333;
      --background-color: #f5f5f5;
      --text-color: #333;
      --light-text-color: #666;
      --white-color: #ffffff;
      --dark-bg: #222;
      --border-color: #eee;
      --shadow-light: rgba(0, 0, 0, 0.1);
      --shadow-dark: rgba(0, 0, 0, 0.2);
    }

    .page-5top {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-color);
      background-color: var(--background-color);
      overflow-x: hidden;
      padding-top: 10px; /* Nhỏ gọn để tránh đệm kép nếu body đã có padding-top */
    }

    .page-5top__section {
      padding: 40px 15px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-5top__section--dark {
      background-color: var(--dark-bg);
      color: var(--white-color);
    }

    .page-5top__section-title {
      font-size: 2.5em;
      color: var(--primary-color);
      margin-bottom: 25px;
      font-weight: bold;
      text-transform: uppercase;
    }

    .page-5top__section-title--light {
      color: var(--white-color);
    }

    .page-5top__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: var(--light-text-color);
    }

    .page-5top__text--light {
      color: #ccc;
    }

    /* Hero Section */
    .page-5top__hero-section {
      position: relative;
      width: 100%;
      height: 60vh; /* Điều chỉnh chiều cao cho trọng tâm di động */
      min-height: 300px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      color: var(--white-color);
      text-align: center;
      background-size: cover;
      background-position: center;
      overflow: hidden;
      padding: 20px 15px;
      box-sizing: border-box;
    }

    .page-5top__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6); /* Làm tối hình nền để dễ đọc chữ */
    }

    .page-5top__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-5top__brand-keyword {
      font-size: 3.5em; /* Lớn hơn cho nhấn mạnh trên di động */
      font-weight: 900;
      color: var(--primary-color);
      text-shadow: 2px 2px 4px var(--shadow-dark);
      margin-bottom: 10px;
      line-height: 1.2;
    }

    .page-5top__hero-slogan {
      font-size: 1.5em;
      margin-bottom: 30px;
      color: var(--white-color);
      text-shadow: 1px 1px 3px var(--shadow-dark);
    }

    /* Floating Buttons */
    .page-5top__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 15px;
      z-index: 1000;
    }

    .page-5top__floating-button {
      background-color: var(--primary-color);
      color: var(--white-color);
      border: none;
      padding: 12px 25px;
      border-radius: 30px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      box-shadow: 0 4px 10px var(--shadow-dark);
      transition: background-color 0.3s ease, transform 0.2s ease;
      width: 150px; /* Chiều rộng cố định cho nhất quán */
      text-align: center;
    }

    .page-5top__floating-button:hover {
      background-color: #ff6a3d;
      transform: translateY(-2px);
    }

    /* Product Grid */
    .page-5top__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-5top__product-card {
      background-color: var(--white-color);
      border-radius: 15px;
      box-shadow: 0 5px 15px var(--shadow-light);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding-bottom: 20px;
    }

    .page-5top__product-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px var(--shadow-dark);
    }

    .page-5top__product-image-wrapper {
      width: 100%;
      height: 200px; /* Chiều cao cố định cho nhất quán */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 15px;
    }

    .page-5top__product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .page-5top__product-title {
      font-size: 1.6em;
      color: var(--primary-color);
      margin-bottom: 10px;
      padding: 0 15px;
      font-weight: bold;
    }

    .page-5top__product-description {
      font-size: 0.95em;
      color: var(--light-text-color);
      padding: 0 15px;
      margin-bottom: 15px;
      flex-grow: 1; /* Đảm bảo mô tả chiếm không gian có sẵn */
    }

    .page-5top__learn-more-button {
      display: inline-block;
      background-color: var(--secondary-color);
      color: var(--white-color);
      padding: 10px 20px;
      border-radius: 25px;
      font-size: 0.9em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      text-decoration: none;
      border: none; /* Tạo kiểu nút */
      cursor: pointer;
    }

    .page-5top__learn-more-button:hover {
      background-color: #555;
    }

    /* Promotions */
    .page-5top__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-5top__promo-card {
      background-color: var(--white-color);
      border-radius: 15px;
      box-shadow: 0 5px 15px var(--shadow-light);
      overflow: hidden;
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-5top__promo-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px var(--shadow-dark);
    }

    .page-5top__promo-image-wrapper {
      width: 100%;
      height: 220px;
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-5top__promo-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .page-5top__promo-content {
      padding: 20px;
    }

    .page-5top__promo-title {
      font-size: 1.5em;
      color: var(--primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-5top__promo-description {
      font-size: 0.95em;
      color: var(--light-text-color);
      margin-bottom: 15px;
    }

    .page-5top__promo-validity {
      font-size: 0.85em;
      color: #999;
    }

    /* Why Choose Us Section */
    .page-5top__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-5top__feature-item {
      background-color: var(--white-color);
      padding: 30px;
      border-radius: 15px;
      box-shadow: 0 5px 15px var(--shadow-light);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-5top__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px var(--shadow-dark);
    }

    .page-5top__feature-icon {
      width: 100px;
      height: 100px;
      margin-bottom: 20px;
      object-fit: contain;
    }

    .page-5top__feature-title {
      font-size: 1.4em;
      color: var(--primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-5top__feature-description {
      font-size: 0.95em;
      color: var(--light-text-color);
    }

    /* Partners Section */
    .page-5top__partner-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      align-items: center;
      justify-items: center;
    }

    .page-5top__partner-logo {
      width: 120px; /* Điều chỉnh kích thước cho đối tác */
      height: auto;
      object-fit: contain;
      filter: grayscale(80%);
      opacity: 0.7;
      transition: filter 0.3s ease, opacity 0.3s ease;
    }

    .page-5top__partner-logo:hover {
      filter: grayscale(0%);
      opacity: 1;
    }

    /* Call to Action */
    .page-5top__cta-section {
      background-color: var(--primary-color);
      color: var(--white-color);
      padding: 60px 15px;
      text-align: center;
    }

    .page-5top__cta-title {
      font-size: 2.2em;
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-5top__cta-text {
      font-size: 1.2em;
      margin-bottom: 30px;
    }

    .page-5top__cta-button {
      background-color: var(--white-color);
      color: var(--primary-color);
      border: none;
      padding: 15px 35px;
      border-radius: 30px;
      font-size: 1.2em;
      font-weight: bold;
      cursor: pointer;
      box-shadow: 0 4px 10px var(--shadow-dark);
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none;
      display: inline-block;
    }

    .page-5top__cta-button:hover {
      background-color: #f0f0f0;
      transform: translateY(-2px);
    }

    /* FAQ Section */
    .page-5top__faq-section {
      text-align: left;
    }

    .page-5top__faq-list {
      margin-top: 30px;
      list-style: none;
      padding: 0;
    }

    .page-5top__faq-item {
      background-color: var(--white-color);
      border: 1px solid var(--border-color);
      border-radius: 10px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px var(--shadow-light);
    }

    .page-5top__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      cursor: pointer;
      background-color: #f9f9f9;
      border-bottom: 1px solid var(--border-color);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-5top__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-5top__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--secondary-color);
      pointer-events: none; /* Ngăn h3 chặn sự kiện nhấp trên div cha */
      flex-grow: 1;
    }

    .page-5top__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--primary-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn biểu tượng chuyển đổi chặn sự kiện nhấp trên div cha */
    }
    
    .page-5top__faq-item.active .page-5top__faq-toggle {
      transform: rotate(45deg); /* Thay đổi '+' thành 'x' hoặc tương tự, trực quan chỉ ra đã mở */
    }

    .page-5top__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--light-text-color);
      font-size: 1em;
    }

    .page-5top__faq-item.active .page-5top__faq-answer {
      max-height: 2000px !important; /* Giá trị đủ lớn */
      padding: 20px 20px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-5top__section {
        padding: 30px 10px;
      }

      .page-5top__section-title {
        font-size: 2em;
      }

      .page-5top__brand-keyword {
        font-size: 2.8em;
      }

      .page-5top__hero-slogan {
        font-size: 1.2em;
      }

      .page-5top__product-grid,
      .page-5top__promo-grid,
      .page-5top__feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      
      .page-5top__product-image-wrapper,
      .page-5top__promo-image-wrapper {
        height: 180px;
      }

      .page-5top__floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 10px;
      }

      .page-5top__floating-button {
        padding: 10px 20px;
        font-size: 1em;
        width: 130px;
      }

      .page-5top__cta-title {
        font-size: 1.8em;
      }

      .page-5top__cta-text {
        font-size: 1em;
      }

      .page-5top__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      /* Điều chỉnh phản hồi cho các mục danh sách (ví dụ: FAQ) */
      .page-5top__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-5top__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-5top__faq-answer p {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
    }

    @media (max-width: 480px) {
      .page-5top__brand-keyword {
        font-size: 2.2em;
      }
      .page-5top__hero-slogan {
        font-size: 1em;
      }
      .page-5top__hero-section {
        height: 50vh;
      }
    }