.loader {
	z-index: 2;
    -webkit-animation: spin 1s linear infinite;
    animation: spin 1s linear infinite;
    border: 3px solid #ddd;
/*     border-top: 3px solid #42a5f5; */
	border-top: 3px solid #006179;
    border-radius: 50%;
    height: 30px;
    width: 30px;
    position: absolute;
    left: 45%;
    top: 50%;
}
@-webkit-keyframes spin {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
@keyframes spin {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

.zhezhao{
	width: 100%;
    height: 100%;
    position: absolute;
	z-index: 1;
	background-color: hsla(0, 0%, 100%, .9);
    margin: 0;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transition: opacity .3s;
}