.mask {
	left: 0px; top: 0px; position: absolute; z-index: 1000; opacity: 0.75; background-color: rgb(0, 0, 0);
}
.mask-pic {
	left: 50%; top: 50%; margin-top: -273px; margin-left: -445px; position: fixed; z-index: 1001;
}
.mask-panel {
	left: 50%; top: 50%; width: 890px; height: 546px; margin-top: -273px; margin-left: -445px; position: fixed; z-index: 1002;
}
.mask-panel .click {
	left: 49px; top: 70px; width: 773px; height: 430px; display: block; position: absolute; opacity: 0; background-color: rgb(255, 255, 255);
}
.mask-close {
	top: 53px; width: 39px; height: 39px; right: 55px; position: absolute; cursor: pointer; opacity: 0; background-color: rgb(255, 255, 255);
}