
      /* style/promotions.css */
      :root {
          --primary-color: #2563eb;
          --secondary-color: #64748b;
          --text-dark: #333333;
          --text-light: #ffffff;
          --bg-light: #ffffff;
          --bg-dark: #1a202c;
          --border-color: #e0e0e0;
      }

      .page-promotions {
          font-family: 'Arial', sans-serif;
          line-height: 1.6;
          color: var(--text-dark);
          background-color: var(--bg-light);
      }

      .page-promotions__hero-section {
          position: relative;
          width: 100%;
          padding: 10px 20px 60px;
          display: flex;
          flex-direction: column;
          align-items: center;
          text-align: center;
          background-color: var(--bg-dark);
          color: var(--text-light);
          overflow: hidden;
      }

      .page-promotions__hero-image {
          width: 100%;
          max-width: 1920px;
          height: auto;
          display: block;
          object-fit: cover;
          margin-bottom: 30px;
      }

      .page-promotions__hero-content {
          max-width: 900px;
          margin: 0 auto;
          z-index: 1;
      }

      .page-promotions__hero-title {
          font-weight: 700;
          line-height: 1.2;
          letter-spacing: -0.02em;
          margin-bottom: 20px;
          color: var(--text-light);
      }

      .page-promotions__hero-description {
          font-size: 1.15rem;
          margin-bottom: 30px;
          color: #f0f0f0;
      }

      .page-promotions__main-button {
          display: inline-block;
          background-color: var(--primary-color);
          color: var(--text-light);
          padding: 15px 30px;
          border-radius: 8px;
          text-decoration: none;
          font-weight: 600;
          font-size: 1.1rem;
          transition: background-color 0.3s ease, transform 0.3s ease;
          box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
          max-width: 100%;
          box-sizing: border-box;
          white-space: normal;
          word-wrap: break-word;
      }

      .page-promotions__main-button:hover {
          background-color: #1c4fcc;
          transform: translateY(-2px);
      }

      .page-promotions__section {
          padding: 60px 20px;
          max-width: 1200px;
          margin: 0 auto;
          box-sizing: border-box;
      }

      .page-promotions__section--light-bg {
          background-color: var(--bg-light);
          color: var(--text-dark);
      }

      .page-promotions__section--dark-bg {
          background-color: var(--bg-dark);
          color: var(--text-light);
      }

      .page-promotions__section-title {
          font-size: 2.2rem;
          font-weight: 700;
          text-align: center;
          margin-bottom: 40px;
          color: inherit;
      }

      .page-promotions__grid {
          display: grid;
          grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
          gap: 30px;
      }

      .page-promotions__card {
          background-color: var(--bg-light);
          color: var(--text-dark);
          border-radius: 12px;
          box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
          padding: 30px;
          text-align: center;
          transition: transform 0.3s ease, box-shadow 0.3s ease;
          display: flex;
          flex-direction: column;
          align-items: center;
          overflow: hidden;
      }

      .page-promotions__card:hover {
          transform: translateY(-8px);
          box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
      }

      .page-promotions__card-image {
          width: 100%;
          height: 200px;
          object-fit: cover;
          border-radius: 8px;
          margin-bottom: 25px;
          display: block;
      }

      .page-promotions__card-title {
          font-size: 1.5rem;
          font-weight: 600;
          margin-bottom: 15px;
          color: var(--primary-color);
      }

      .page-promotions__card-description {
          font-size: 1rem;
          color: var(--secondary-color);
          margin-bottom: 25px;
          flex-grow: 1;
      }

      .page-promotions__card-button {
          display: inline-block;
          background-color: var(--primary-color);
          color: var(--text-light);
          padding: 12px 25px;
          border-radius: 6px;
          text-decoration: none;
          font-weight: 500;
          font-size: 0.95rem;
          transition: background-color 0.3s ease;
          max-width: 100%;
          box-sizing: border-box;
          white-space: normal;
          word-wrap: break-word;
      }

      .page-promotions__card-button:hover {
          background-color: #1c4fcc;
      }

      .page-promotions__list-container {
          max-width: 800px;
          margin: 0 auto 40px;
      }

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

      .page-promotions__list-item {
          background-color: var(--bg-light);
          border: 1px solid var(--border-color);
          border-radius: 8px;
          padding: 20px;
          margin-bottom: 15px;
          display: flex;
          align-items: flex-start;
          gap: 15px;
          box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
          box-sizing: border-box;
      }

      .page-promotions__list-item-icon {
          color: var(--primary-color);
          font-size: 1.5rem;
          flex-shrink: 0;
      }

      .page-promotions__list-item-text {
          font-size: 1.1rem;
          color: var(--text-dark);
      }

      .page-promotions__faq-section {
          background-color: #f9f9f9;
          padding: 60px 20px;
          max-width: 1200px;
          margin: 0 auto;
          box-sizing: border-box;
      }

      .page-promotions__faq-item {
          background-color: var(--bg-light);
          border: 1px solid var(--border-color);
          border-radius: 8px;
          margin-bottom: 15px;
          overflow: hidden;
          transition: all 0.4s ease;
      }

      .page-promotions__faq-question {
          display: flex;
          justify-content: space-between;
          align-items: center;
          padding: 20px 25px;
          font-size: 1.2rem;
          font-weight: 600;
          color: var(--primary-color);
          cursor: pointer;
          user-select: none;
          transition: background-color 0.3s ease;
      }

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

      .page-promotions__faq-qtext {
          pointer-events: none;
          flex-grow: 1;
      }

      .page-promotions__faq-toggle {
          font-size: 1.8rem;
          line-height: 1;
          pointer-events: none;
          transition: transform 0.3s ease;
      }

      .page-promotions__faq-item.active .page-promotions__faq-toggle {
          transform: rotate(45deg);
      }

      .page-promotions__faq-answer {
          max-height: 0;
          overflow: hidden;
          padding: 0 25px;
          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(--text-dark);
          font-size: 1rem;
      }

      .page-promotions__faq-item.active .page-promotions__faq-answer {
          max-height: 2000px !important;
          padding: 20px 25px !important;
          opacity: 1;
      }

      .page-promotions__app-download-section {
          background-color: var(--primary-color);
          color: var(--text-light);
          text-align: center;
          padding: 60px 20px;
      }

      .page-promotions__app-download-image {
          width: 100%;
          max-width: 400px;
          height: auto;
          display: block;
          margin: 0 auto 30px;
          border-radius: 12px;
          box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
      }

      .page-promotions__app-download-title {
          font-size: 2rem;
          font-weight: 700;
          margin-bottom: 20px;
          color: var(--text-light);
      }

      .page-promotions__app-download-description {
          font-size: 1.1rem;
          margin-bottom: 30px;
          color: #f0f0f0;
      }

      .page-promotions__app-download-button {
          display: inline-block;
          background-color: var(--bg-light);
          color: var(--primary-color);
          padding: 15px 30px;
          border-radius: 8px;
          text-decoration: none;
          font-weight: 600;
          font-size: 1.1rem;
          transition: background-color 0.3s ease, transform 0.3s ease;
          box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
          max-width: 100%;
          box-sizing: border-box;
          white-space: normal;
          word-wrap: break-word;
      }

      .page-promotions__app-download-button:hover {
          background-color: #e0e0e0;
          transform: translateY(-2px);
      }

      /* Responsive styles */
      @media (max-width: 1024px) {
          .page-promotions__hero-title {
              font-size: 2.5rem;
          }
          .page-promotions__section-title {
              font-size: 2rem;
          }
      }

      @media (max-width: 768px) {
          .page-promotions {
              font-size: 16px;
              line-height: 1.6;
          }

          .page-promotions img {
              max-width: 100% !important;
              width: 100% !important;
              height: auto !important;
          }

          .page-promotions__section,
          .page-promotions__card,
          .page-promotions__list-item,
          .page-promotions__faq-section,
          .page-promotions__app-download-section {
              max-width: 100% !important;
              width: 100% !important;
              box-sizing: border-box !important;
              padding-left: 15px;
              padding-right: 15px;
          }

          .page-promotions__hero-section {
              padding-top: 10px !important; /* body đã đảm nhận --header-offset */
              padding-bottom: 40px;
          }

          .page-promotions__hero-title {
              font-size: 2rem;
          }

          .page-promotions__hero-description {
              font-size: 1rem;
          }

          .page-promotions__section-title {
              font-size: 1.8rem;
          }

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

          .page-promotions__card {
              padding: 20px;
              box-shadow: 0 2px 8px rgba(0,0,0,0.1);
          }

          .page-promotions__card-title {
              font-size: 1.3rem;
          }

          .page-promotions__card-description {
              font-size: 0.95rem;
          }

          .page-promotions__main-button,
          .page-promotions__card-button,
          .page-promotions__app-download-button {
              max-width: 100% !important;
              width: 100% !important;
              box-sizing: border-box !important;
              white-space: normal !important;
              word-wrap: break-word !important;
              padding-left: 15px;
              padding-right: 15px;
          }

          .page-promotions__list-item {
              width: 100% !important;
              max-width: 100% !important;
              box-sizing: border-box !important;
              margin-left: 0 !important;
              margin-right: 0 !important;
              padding: 15px;
              word-wrap: break-word !important;
              overflow-wrap: break-word !important;
          }

          .page-promotions__list-item-text {
              font-size: 1rem;
          }

          .page-promotions__faq-question {
              font-size: 1rem;
              padding: 15px 20px;
          }

          .page-promotions__faq-answer {
              padding: 15px 20px !important;
              font-size: 0.95rem;
          }

          .page-promotions__app-download-title {
              font-size: 1.8rem;
          }

          .page-promotions__app-download-description {
              font-size: 1rem;
          }
      }

      @media (max-width: 480px) {
          .page-promotions__hero-title {
              font-size: 1.8rem;
          }
          .page-promotions__section-title {
              font-size: 1.6rem;
          }
      }
    