*,body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,label,textarea,p,span,blockquote,th,td{
	margin:0px;
	padding:0px;
    text-decoration: none;
    list-style: none;
}
img,iframe{
    border:none;
}
a{
    cursor: pointer;
}
/*二级菜单导航区域*/
.sidebar-menu{
    width: 200px;
    height: 400px;
    display: inline-block;
    vertical-align: top;
}
.sidebar-menu input{
    display: none;
}

/*一级菜单组*/
.menu-first{
    width: 100%;
    height: 100%;
    background-color: #ddd;
    float: left;

    transition:width 0.6s;
    -moz-transition:width 0.6s;
    -webkit-transition:width 0.6s;
    -o-transition:width 0.6s;
}
.menu-first img{
    width: 40px;
    height: 40px;
    vertical-align: middle;
}
.menu-first > label{
    color: #000;
    background-color: #ddd;
    border-bottom: 1px solid #bbb;
    height:50px;
    line-height:50px;
    text-align: center;
    cursor: pointer;
    display: block;
    overflow: hidden;

    transition:background-color 0.6s;
    -moz-transition:background-color 0.6s;
    -webkit-transition:background-color 0.6s;
    -o-transition:background-color 0.6s;
    -ms-transition:background-color 0.6s;
}
.menu-first > label:hover{
    background-color: #bbb;
}
.menu-first-selected{
    background-color: #bbb !important;
}
/*一级菜单组缩进*/
#menu-first-group:checked + ul{
    width: 25%;
}

/*二级菜单区域*/
.menu-second{
    vertical-align: top;
    height: 100%;
    background-color: #bbb;
    overflow: hidden;
}
/*二级菜单组*/
.menu-second > ul{
    -webkit-perspective: 300px;
    -moz-perspective: 300px;
    -ms-perspective: 300px;
    -o-perspective: 300px;
    perspective: 300px;
}
/*二级菜单项*/
.menu-second > ul > li{
    height: 0px;
    opacity: 0;
    overflow: hidden;

    transform: rotateY(90deg);
    -moz-transform: rotateY(90deg);
    -webkit-transform: rotateY(90deg);
    -o-transform: rotateY(90deg);
    -ms-transform: rotateY(90deg);

    transition:opacity 1s,height 1s,transform ease-in-out 1s;
    -moz-transition:opacity 1s,height 1s,-moz-transform ease-in-out 1s;
    -webkit-transition:opacity 1s,height 1s,-webkit-transform ease-in-out 1s;
    -o-transition:opacity 1s,height 1s,-o-transform ease-in-out 1s;
    -ms-transition:opacity 1s,-ms-transform ease-in-out 1s;
}
.menu-second > input:checked + ul > li{
    height: 50px;
    opacity: 1;

    transform: rotateY(0deg);
    -moz-transform: rotateY(0deg);
    -webkit-transform: rotateY(0deg);
    -o-transform: rotateY(0deg);
    -ms-transform: rotateY(0deg);
}

/*二级菜单项*/
.menu-second-item > a{
    color: #000;
    height:50px;
    line-height:50px;
    border-left: 0px solid #bbb;
    border-right: 0px solid #a4c2f4;

    background:-webkit-gradient(linear, 0% 0%, 100% 0%,from(#bbb), to(#a4c2f4));
    background:-moz-linear-gradient(left,#bbb,#a4c2f4);
    background:-ms-linear-gradient(left, #bbb,#a4c2f4);
    background: -o-linear-gradient(left, #bbb,#a4c2f4);

    font-size: 12px;
    text-align:center;
    display: block;

    transition:border 0.5s;
    -moz-transition:border 0.5s;
    -webkit-transition:border 0.5s;
    -o-transition:border 0.5s;
    -ms-transition:border 0.5s;
}
.menu-second-item > a:hover{
    border-left: 8px solid #bbb;
    border-right: 8px solid #6da1f6;
}


/*二级菜单项延迟翻转*/
.menu-second > input:checked + ul > li:nth-child(1) {
    -webkit-transition-delay: 0ms;
    -moz-transition-delay: 0ms;
    -ms-transition-delay: 0ms;
    -o-transition-delay: 0ms;
    transition-delay: 0ms;
}
.menu-second > input:checked + ul > li:nth-child(2) {
    -webkit-transition-delay: 100ms;
    -moz-transition-delay: 100ms;
    -ms-transition-delay: 100ms;
    -o-transition-delay: 100ms;
    transition-delay: 100ms;
}
.menu-second > input:checked + ul > li:nth-child(3) {
    -webkit-transition-delay: 200ms;
    -moz-transition-delay: 200ms;
    -ms-transition-delay: 200ms;
    -o-transition-delay: 200ms;
    transition-delay: 200ms;
}
.menu-second > input:checked + ul > li:nth-child(4) {
    -webkit-transition-delay: 300ms;
    -moz-transition-delay: 300ms;
    -ms-transition-delay: 300ms;
    -o-transition-delay: 300ms;
    transition-delay: 300ms;
}
.menu-second > input:checked + ul > li:nth-child(5) {
    -webkit-transition-delay: 400ms;
    -moz-transition-delay: 400ms;
    -ms-transition-delay: 400ms;
    -o-transition-delay: 400ms;
    transition-delay: 400ms;
}
.menu-second > input:checked + ul > li:nth-child(6) {
    -webkit-transition-delay: 500ms;
    -moz-transition-delay: 500ms;
    -ms-transition-delay: 500ms;
    -o-transition-delay: 500ms;
    transition-delay: 500ms;
}
/*
.menu-second > ul > li:nth-child(1){
    -webkit-transition-delay: 500ms;
    -moz-transition-delay: 500ms;
    -ms-transition-delay: 500ms;
    -o-transition-delay: 500ms;
    transition-delay: 500ms;
}
.menu-second > ul > li:nth-child(2){
    -webkit-transition-delay: 400ms;
    -moz-transition-delay: 400ms;
    -ms-transition-delay: 400ms;
    -o-transition-delay: 400ms;
    transition-delay: 400ms;
}
.menu-second > ul > li:nth-child(3){
    -webkit-transition-delay: 300ms;
    -moz-transition-delay: 300ms;
    -ms-transition-delay: 300ms;
    -o-transition-delay: 300ms;
    transition-delay: 300ms;
}
.menu-second > ul > li:nth-child(4){
    -webkit-transition-delay: 200ms;
    -moz-transition-delay: 200ms;
    -ms-transition-delay: 200ms;
    -o-transition-delay: 200ms;
    transition-delay: 200ms;
}
.menu-second > ul > li:nth-child(5){
    -webkit-transition-delay: 100ms;
    -moz-transition-delay: 100ms;
    -ms-transition-delay: 100ms;
    -o-transition-delay: 100ms;
    transition-delay: 100ms;
}
.menu-second > ul > li:nth-child(6){
    -webkit-transition-delay: 0ms;
    -moz-transition-delay: 0ms;
    -ms-transition-delay: 0ms;
    -o-transition-delay: 0ms;
    transition-delay: 0ms;
}*/