video#bgvid {
    position: fixed; 
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
}
.zt_ys-01 {
	font-size: 24px;
	font-family: "宋体";
	color: #00F;
}