/* 这是封面卡片的动效 */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* 调完大小操作起来方便很多 */
}
body{
    justify-content: center;
    position: relative;    
}
.wrapper{
    position: relative;
    height: 35VH;
    width: 100%;
    margin-top: 5vh;
    /* background-color: red; */
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 800px;
    /* 3d视角 */
}
.card{
    position: absolute;
    height: inherit;
    width: 90%;
    /* background-color: blue; */
    text-align: center;
    transition: 0.2s ease-out;
    /* 0.2s变化,由慢到快,看起来还行,不过感觉还是没什么翻牌那样的感觉 */
    transition-delay: 0.3s;
}
.wrapper:hover .card{
    transform: translate(8vw,1vh)  rotatey(30deg);
    transform-origin: bottom;
    filter: brightness(70%) blur(1.5px);
    height: 115%;
    /* transform: translate(-10%); */
    transition-delay: 0.3s;
}
.card img{
    height: inherit;
    width: inherit;
    border: 5px solid #de8c12;
    object-fit: cover;
}
.card p{
    position: absolute;
    bottom: 8%;
    right: 15%;
    font-size: 2.5rem;
    color: #fe9400;
    letter-spacing: 8px;
}
.popup{
    position: relative;
    height: inherit;
    width: inherit;
    margin-right:5VW ;
}
.popup img{
    position: absolute;
    height: 82.5%;
    top: 50%;
    right: 12VW;
    opacity: 0;
    /* 用透明度来控制可视,用display(none)不知道为什么又有问题 */
    transform: translate(8VW,-50%)scale(1.2);
    transition: 0.2s ease-out;
    transition-delay: 0.3s;
}
.wrapper:hover .popup img{
    transform: translate(8VW,-50%)scale(2.2);
    transition-delay: 0.3s;
    opacity: 1;
}

/* 这是文章主题内容的效果 */
.main{
    display: block;
    position: relative;
    justify-content: center;
    top: 6vh;
    align-items: center;
}
.titlec{
    margin: auto;
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    width: 40vw;
    border-bottom: #ff6200 6px solid;
}
.title{
    text-transform: uppercase;
    color: rgba(187, 235, 15, 0.998);
    text-shadow:0 0 1vw rgb(6, 194, 19);
}
.author{
    display: inline;
    font-size: 1rem;
    color: rgb(200, 200, 200);
}
.contentc{
    margin: auto;
    padding: 2vh;
    width: 70vw;
    background-color: rgb(239, 239, 239,0.4);
    border-radius: 3vmax;
    text-shadow: 0 0 0.2vw black;
    font-size: 1.1em;
}
.contentc::after{
    background-color: inherit;
    filter: blur(2px);
}