jq22.css中37行top改50px;
#menu-line { position: absolute; top: 50px; left: 0; height: 3px; background: #009ae1; -webkit-transition: all 0.25s ease-out; -moz-transition: all 0.25s ease-out; -ms-transition: all 0.25s ease-out; -o-transition: all 0.25s ease-out; transition: all 0.25s ease-out; }