.form-inputan {
    border: 4px dashed grey; 
    padding: 20px;  
    margin-top: 20px;          
    }

    #preloader {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: #fff;
z-index: 9999;
display: flex;
justify-content: center;
align-items: center;
}

    .ac-loader {
width: 120px;
height: 90px;
background: #e0e0e0;
border: 3px solid #999;
border-radius: 8px;
position: relative;
box-shadow: inset 0 0 5px #888;
margin: 50px auto;
}

.fan {
width: 40px;
height: 40px;
border: 3px solid #444;
border-radius: 50%;
position: absolute;
top: 25px;
left: 20px;
background: repeating-conic-gradient(#bbb 0% 10%, #eee 10% 20%);
animation: spinFan 1.2s linear infinite;
}

.vent {
position: absolute;
right: 10px;
top: 10px;
width: 40px;
height: 70px;
background: repeating-linear-gradient(
to bottom,
#aaa,
#aaa 5px,
#ddd 5px,
#ddd 10px
);
border-radius: 4px;
}

.pipe {
width: 10px;
height: 30px;
background: #666;
position: absolute;
bottom: -10px;
left: 15px;
border-radius: 4px;
}

@keyframes spinFan {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}

.img-container1 {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 10px;
  }
  
  .responsive-img1 {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 0 10px #ccc;
  }
  

  .floating-btn {
    position: fixed;
    bottom: 80px;
    left: 20px;
    width: 50px;
    height: 50px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    cursor: grab;
    text-decoration: none;
    font-size: 22px;
    transition: transform 0.2s ease;
}

#btn-call {
    bottom: 20px;
    background-color: #007bff;
}