.info-section {
          background-color: #f8fafc;
          padding: 3rem 0;
          margin-top: 2rem;
        }

        .info-container {
          max-width: 1200px;
          margin: 0 auto;
          padding: 0 2rem;
        }

        .info-title {
          font-size: 2rem;
          font-weight: 700;
          color: #1f2937;
          text-align: center;
          margin-bottom: 2rem;
        }

        .info-content {
          display: grid;
          gap: 2rem;
        }

        .info-block {
          background: white;
          padding: 2rem;
          border-radius: 12px;
          box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        .info-block h3 {
          font-size: 1.25rem;
          font-weight: 600;
          color: #374151;
          margin-bottom: 1rem;
        }

        .info-block p {
          color: #6b7280;
          line-height: 1.7;
          margin-bottom: 1rem;
        }

        .info-block ul {
          color: #6b7280;
          line-height: 1.7;
          padding-left: 1.5rem;
        }

        .info-block li {
          margin-bottom: 0.5rem;
        }

        .element-types {
          display: grid;
          gap: 1rem;
          margin-top: 1rem;
        }

        .type-item {
          display: flex;
          align-items: center;
          gap: 1rem;
          padding: 1rem;
          background: #f9fafb;
          border-radius: 8px;
        }

        .type-color {
          width: 20px;
          height: 20px;
          border-radius: 4px;
          border: 1px solid #d1d5db;
        }

        .type-color.metal {
          background-color: #fef3c7;
        }

        .type-color.nonmetal {
          background-color: #dbeafe;
        }

        .type-color.metalloid {
          background-color: #f3e8ff;
        }

        .type-name {
          font-weight: 600;
          color: #374151;
          min-width: 80px;
        }

        .type-desc {
          color: #6b7280;
          font-size: 0.9rem;
        }

        @media (max-width: 768px) {
          .info-section {
            padding: 2rem 0;
          }

          .info-container {
            padding: 0 1rem;
          }

          .info-title {
            font-size: 1.5rem;
          }

          .info-block {
            padding: 1.5rem;
          }

          .type-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 0.5rem;
          }

          .type-name {
            min-width: auto;
          }
        }