*,*::after{
    box-sizing:border-box;
    margin: 0;
    padding: 0;
}

html,body{
    height:100%;
    background:url(bg.jpg);
    background-size:cover;

}
.bg{
    min-height: 100vh;
    min-width: 100vw;
    width: 100%;
    position: fixed;
    top: 0;
    left: -100vw;
    z-index:1;
}


.slider{
    width:1024px;
    position:absolute;
    top:0;
    left:50%;
    z-index:9999;
    margin-top:250px;
    margin-left: -512px;
    
}
.slider>ul{
    display: flex;
    text-align: center;
}
.slider li{
    flex: 1 0;
    list-style: none;
    
    display: flex;
    flex-direction: column;
    margin:0 7px;
    align-items: center;
}
/*背景缩略图*/
.slider li::before{
    position: absolute;
    top:50px;
    z-index: 9999;
    content:"";
    display:block; 
    width:150px;
    height: 150px;
    border-radius: 50%;
    border: 5px solid #fff;
    
   background-size: cover;
   background-repeat: no-repeat;
   background-attachment: scroll;
   background-clip: border-box;
   background-color: transparent;
   background-origin: padding-box;
}
.slider li:nth-of-type(1)::before{
    background-image: url(./bg1.jpg);
    background-position: center;
}
.slider li:nth-of-type(2)::before{

    background-image: url(./bg2.jpg);
    background-position: right center;
   
}
.slider li:nth-of-type(3)::before{
   background-image: url(./bg3.jpg);
   background-position: right center;
}
.slider li:nth-of-type(4)::before{
    background-image: url(./bg4.jpg);
   background-position: right center;
}
.slider li:nth-of-type(5)::before{
    background-image: url(./bg5.jpg);
   background-position: right center;
}
/*背景缩略图，文本介绍*/
.slider li>a{
    margin-top:150px;
    flex-grow: 1;
    cursor: pointer;
    text-decoration: none;
    color: white;
    font-weight: normal;
    font-family: cursive,fantasy ;
    text-shadow: -1px -1px 1px rgba(0, 0, 0, 0.8),
    -2px -2px 1px rgba(0, 0, 0, 0.3),
    -3px -3px 1px rgba(0, 0, 0, 0.3);
    padding-top: 70px;
    padding-bottom: 20px;
    border:2px solid #fff;
    border-radius: 5px;
}
.slider li:nth-of-type(1)>a{
    background-color: #02646e;
}
.slider li:nth-of-type(2) a{
    background-color: #eb0837;
}
.slider li:nth-of-type(3) a{
    background-color: #67b374;
}
.slider li:nth-of-type(4) a{
    background-color: #e6674a;
}
.slider li:nth-of-type(5) a{
    background-color: #e61061;
}

@keyframes leftSlide{
    0% {top:0;left: -100vw;}
    50% {top:0;left: 20vh;}
    100% {top:0;left: 0;}
}
.leftSlide:target {
    animation-name: leftSlide;
    animation-duration: 2s;
    animation-iteration-count: 1;
    animation-fill-mode:forwards;
}

@keyframes slideBottom {
    0% { top: 100vh;left:0; }
    50% { top: -20vh;left:0;}
    100% { top: 0;left:0;}
}
.bottomSlide:target{
    z-index: 100;
    animation-name: slideBottom;
    animation-duration: 2s;
    animation-iteration-count: 1;
    animation-fill-mode:forwards;                
}

@keyframes zoomIn {
    0% { top: 0;left:0;transform: scale(0.1); }
    50% { top: 0;left:0;transform: scale(2); }
    100%{top: 0;left:0;transform: scale(1);}
}
.zoomIn:target{
    z-index: 100;
    animation-name: zoomIn;
    animation-duration: 2s;
    animation-iteration-count: 1; 
    animation-fill-mode:forwards;                 
}
@keyframes zoomOut {
    0% { top: 0;left:0;transform: scale(2); }
    50% { top: 0;left:0;transform: scale(0.5); }
    100%{top: 0;left:0;transform: scale(1);}
}
.zoomOut:target{
    z-index: 100;
    animation-name: zoomOut;
    animation-duration: 2s;
    animation-iteration-count: 1;     
    animation-fill-mode:forwards; 
}
@keyframes rotate {
    0% { top: 0;left:0;transform: rotate(-360deg) scale(0.1);}
    100% { top: 0;left:0;transform: rotate(360deg) scale(1);}
}
.rotate:target{
    z-index: 100;
    animation-name: rotate;
    animation-duration: 2s;
    animation-iteration-count: 1;     
    animation-fill-mode:forwards; 
}