.not-found-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  padding-block: 1rem;
  }
  
  .not-found-content {
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;  margin: auto;
  }
  
  .not-found-img {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
    margin-bottom: 1rem;
  }
  
  .not-found-text {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--y-color-text-dark);
    font-weight: 600;
    margin-bottom: 1rem;
  }
  
  .btn-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    background-color: var(--y-main);
    color: #fff;
    padding: 0.8rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    transition: background-color 0.3s ease, transform 0.3s ease;
  }
  
  .btn-back:hover {
    background-color: var(--y-main);
    transform: translateY(-2px);
  }
  
  .btn-back i {
    font-size: 1rem;
  }
  
  @media (max-width: 992px) {
    .not-found-container {
      padding: 3rem 1rem;
      min-height: 50vh;
    }
  
    .not-found-img {
      max-width: 350px;
    }
  
    .not-found-text {
      font-size: 1.1rem;
    }
  
    .btn-back {
      padding: 0.75rem 2.2rem;
      font-size: 1.05rem;
    }
  }
  
  @media (max-width: 768px) {
    .not-found-container {
      padding: 2rem 1rem;
    }
  
    .not-found-img {
      max-width: 280px;
    }
  
    .not-found-text {
      font-size: clamp(0.9rem, 3.5vw, 1rem);
      padding: 0 1rem;
    }
  
    .btn-back {
      font-size: 1rem;
      padding: 0.7rem 2rem;
    }
  }
  
  @media (max-width: 576px) {
    .not-found-container {
      padding: 1.5rem 0.75rem;
    }
  
    .not-found-content {
      gap: 1.5rem;
    }
  
    .not-found-img {
      max-width: 220px;
    }
  
    .not-found-text {
      font-size: 0.9rem;
      padding: 0 0.5rem;
      line-height: 1.5;
    }
  
    .btn-back {
      font-size: 0.9rem;
      padding: 0.6rem 1.5rem;
      width: auto;
      max-width: 90%;
      gap: 0.5rem;
    }
  
    .btn-back i {
      font-size: 0.9rem;
    }
  }
  
  main .pro h1 {
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: bold;
    text-align: right;
  }
  
  @media (max-width: 768px) {
    main .pro h1 {
      padding: 0.5rem;
      font-size: 1.5rem;
      font-weight: 600;
      text-align: center;
    }
  }