html {
    overflow-x: hidden;
    touch-action: pan-y; 
}
.mdiv{
    display: flex;
}

.mlr{
    width:20rem;
    padding-left: 0.75rem;
}
.mlr>div{
    padding: 0.25rem;
    border: 1px solid #eee;
    border-radius: 4px;
}
.night .mlr>div{
    border:1px solid #444;
}
:root {
    --bgcolor:#393d49;
    --yincolor:#01aaed;
    --sp:3px;
    --cz:3px;
    --mh:7px;
}
.mlf{
    width:calc(100% - 20rem);
    height: 13.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    border: 1px solid #eee;


    background-image: linear-gradient(45deg, #e5e7eb 25%, transparent 25%), linear-gradient(-45deg, #e5e7eb 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e5e7eb 75%), linear-gradient(-45deg, transparent 75%, #e5e7eb 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;

}
.night .mlf{
    border: 1px solid #444;
    background-image: linear-gradient(45deg, #2d2d2d 25%, transparent 25%), linear-gradient(-45deg, #2d2d2d 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #2d2d2d 75%), linear-gradient(-45deg, transparent 75%, #2d2d2d 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.butdivbut{
    height: 1.8rem;
    line-height: 1.8rem;
    display: block;
    background-color: #06b672;
    border: 0;
    width: 100%;
    text-align: center;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
}

@media screen and (max-width: 1290px){
    .mdiv {
        display:block;
    }
    .mlf {
        width:100%;
        height: 10rem;
    }
    .mlr {
        width: 100%;
        padding-left:0rem;
        margin-top: 0.75rem;
    }
}

/**************************************/

.flip-container {
    width: 300px;
    height: 150px;
    /* 固定宽高 */
    perspective: 1000px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-container.hover:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-container.hover.vertical:hover .flip-card-inner {
    transform: rotateX(180deg);
}

.flip-container.click.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-container.click.vertical.flipped .flip-card-inner {
    transform: rotateX(180deg);
}

.flip-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    padding: 20px;
}

.flip-front {
    background: #409eff;
}

.flip-back {
    background: #67c23a;
    transform: rotateY(180deg);
}

.flip-container.vertical .flip-back {
    transform: rotateX(180deg);
}

.flip-face h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.flip-face p {
    font-size: 13px;
    opacity: .9;
}