body{}
body #diadao-loader{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;}
body #diadao-loader.loading{opacity:1;visibility:visible;}
body #diadao-loader:not(.loading){visibility:hidden;opacity:0;z-index:-1;}
body.diadao-loaded #diadao-loader{display:none;}
body.diadao-loading-fade{visibility:hidden;opacity:0;transition:opacity 0.3s ease-in;}
body.diadao-loading-fade.diadao-loaded {
opacity: 1;
visibility: visible;
}