.ynf-app-section {
    width: 100%;
    background: #ffffff;
    padding: 55px 20px 50px;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
  }

  .ynf-app-container {
    max-width: 1180px;
    margin: 0 auto;
    text-align: center;
  }

  .ynf-app-title {
    margin: 0 0 12px;
    color: #111827;
    font-size: 32px;
    line-height: 1.25;
    font-weight: 700;
  }

  .ynf-app-subtitle {
    margin: 0 0 26px;
    color: #4b5563;
    font-size: 15px;
    line-height: 1.6;
  }

  .ynf-app-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
    margin: 0 auto 24px;
  }

  .ynf-app-item {
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
    color: #374151;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    box-sizing: border-box;
    transition: all 0.25s ease;
  }

  .ynf-app-item:hover {
    color: #d71920;
    border-color: #d71920;
    background: #fffafa;
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.06);
    transform: translateY(-1px);
  }

  .ynf-app-note {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #6b7280;
    font-size: 14px;
    line-height: 1.5;
  }

  .ynf-app-note-icon {
    width: 18px;
    height: 18px;
    border: 1px solid #9ca3af;
    border-radius: 50%;
    color: #6b7280;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    font-style: normal;
    flex: 0 0 18px;
  }

  @media (max-width: 991px) {
    .ynf-app-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  @media (max-width: 575px) {
    .ynf-app-section {
      padding: 45px 15px 42px;
    }

    .ynf-app-title {
      font-size: 25px;
    }

    .ynf-app-subtitle {
      font-size: 14px;
      margin-bottom: 22px;
    }

    .ynf-app-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }

    .ynf-app-item {
      height: 42px;
      font-size: 14px;
    }

    .ynf-app-note {
      align-items: flex-start;
      text-align: left;
      font-size: 13px;
    }
  }