@charset "utf-8";
/*restCSS结束，应用特效时，以上样式可删除*/
/* 需要的css样式 */
.menu > li {
    display: block;
    float: left;
    position: relative;
}

.submenu {
    left: 0px;
    max-height: 0;
    position: absolute;
    top: 100%;
    z-index: 0;
    -webkit-perspective: 400px;
    -moz-perspective: 400px;
    -ms-perspective: 400px;
    -o-perspective: 400px;
    perspective: 400px;
}

.submenu li {
    opacity: 0;
    -webkit-transform: rotateY(90deg);
    -moz-transform: rotateY(90deg);
    -ms-transform: rotateY(90deg);
    -o-transform: rotateY(90deg);
    transform: rotateY(90deg);
    -webkit-transition: opacity .4s, -webkit-transform .5s;
    -moz-transition: opacity .4s, -moz-transform .5s;
    -ms-transition: opacity .4s, -ms-transform .5s;
    -o-transition: opacity .4s, -o-transform .5s;
    transition: opacity .4s, transform .5s;
    /*实现下拉菜单螺旋淡出*/
}

.menu > li:hover .submenu, .menu > li:focus .submenu {
    max-height: 2000px;
    z-index: 10;
}

.menu > li:hover .submenu li, .menu > li:focus .submenu li {
    opacity: 1;
    -webkit-transform: none;
    -moz-transform: none;
    -ms-transform: none;
    -o-transform: none;
    transform: none;
}
/*动画递进的时间 实现一个个螺旋子菜单*/
.menu li:hover .submenu li:nth-child(1) {
    -webkit-transition-delay: 0s;
    -moz-transition-delay: 0s;
    -ms-transition-delay: 0s;
    -o-transition-delay: 0s;
    transition-delay: 0s;
}

.menu li:hover .submenu li:nth-child(2) {
    -webkit-transition-delay: 50ms;
    -moz-transition-delay: 50ms;
    -ms-transition-delay: 50ms;
    -o-transition-delay: 50ms;
    transition-delay: 50ms;
}

.menu li:hover .submenu li:nth-child(3) {
    -webkit-transition-delay: 100ms;
    -moz-transition-delay: 100ms;
    -ms-transition-delay: 100ms;
    -o-transition-delay: 100ms;
    transition-delay: 100ms;
}

.menu li:hover .submenu li:nth-child(4) {
    -webkit-transition-delay: 150ms;
    -moz-transition-delay: 150ms;
    -ms-transition-delay: 150ms;
    -o-transition-delay: 150ms;
    transition-delay: 150ms;
}

.menu li:hover .submenu li:nth-child(5) {
    -webkit-transition-delay: 200ms;
    -moz-transition-delay: 200ms;
    -ms-transition-delay: 200ms;
    -o-transition-delay: 200ms;
    transition-delay: 200ms;
}

.menu li:hover .submenu li:nth-child(6) {
    -webkit-transition-delay: 250ms;
    -moz-transition-delay: 250ms;
    -ms-transition-delay: 250ms;
    -o-transition-delay: 250ms;
    transition-delay: 250ms;
}

.menu li:hover .submenu li:nth-child(7) {
    -webkit-transition-delay: 300ms;
    -moz-transition-delay: 300ms;
    -ms-transition-delay: 300ms;
    -o-transition-delay: 300ms;
    transition-delay: 300ms;
}

.menu li:hover .submenu li:nth-child(8) {
    -webkit-transition-delay: 350ms;
    -moz-transition-delay: 350ms;
    -ms-transition-delay: 350ms;
    -o-transition-delay: 350ms;
    transition-delay: 350ms;
}

.submenu li:nth-child(1) {
    -webkit-transition-delay: 350ms;
    -moz-transition-delay: 350ms;
    -ms-transition-delay: 350ms;
    -o-transition-delay: 350ms;
    transition-delay: 350ms;
}

.submenu li:nth-child(2) {
    -webkit-transition-delay: 300ms;
    -moz-transition-delay: 300ms;
    -ms-transition-delay: 300ms;
    -o-transition-delay: 300ms;
    transition-delay: 300ms;
}

.submenu li:nth-child(3) {
    -webkit-transition-delay: 250ms;
    -moz-transition-delay: 250ms;
    -ms-transition-delay: 250ms;
    -o-transition-delay: 250ms;
    transition-delay: 250ms;
}

.submenu li:nth-child(4) {
    -webkit-transition-delay: 200ms;
    -moz-transition-delay: 200ms;
    -ms-transition-delay: 200ms;
    -o-transition-delay: 200ms;
    transition-delay: 200ms;
}

.submenu li:nth-child(5) {
    -webkit-transition-delay: 150ms;
    -moz-transition-delay: 150ms;
    -ms-transition-delay: 150ms;
    -o-transition-delay: 150ms;
    transition-delay: 150ms;
}

.submenu li:nth-child(6) {
    -webkit-transition-delay: 100ms;
    -moz-transition-delay: 100ms;
    -ms-transition-delay: 100ms;
    -o-transition-delay: 100ms;
    transition-delay: 100ms;
}

.submenu li:nth-child(7) {
    -webkit-transition-delay: 50ms;
    -moz-transition-delay: 50ms;
    -ms-transition-delay: 50ms;
    -o-transition-delay: 50ms;
    transition-delay: 50ms;
}

.submenu li:nth-child(8) {
    -webkit-transition-delay: 0s;
    -moz-transition-delay: 0s;
    -ms-transition-delay: 0s;
    -o-transition-delay: 0s;
    transition-delay: 0s;
}

.header .nav ul.submenu li {
    margin: 0;
}