* {
    margin: 0;
    padding: 0;
    font-size: 24px;
    font-family: "微软雅黑";
    font-weight: normal;
    color: #fff;
    border: none;
    vertical-align: baseline;
}

img {
    display: block;
    vertical-align: top;
    margin: 0;
    padding: 0;
    border: none;
    line-height: 0;
    font-size: 0;
}


.content {
    margin: auto;
    width: 100%;
}

.content img {
    width: 100%;
    margin-top: -3px;
}

@media all and (min-width:320px) {
    html {
        font-size: 10px;
    }

    .content {
        width: 100%;
    }
}

@media all and (min-width:360px) {
    html {
        font-size: 11.25px;
    }

    .content {
        width: 360px;
    }
}

@media all and (min-width:400px) {
    html {
        font-size: 12.5px;
    }

    .content {
        width: 100%;
    }
}

@media all and (min-width:640px) {
    html {
        font-size: 15px;
    }

    .content {
        width: 100%;
    }
}

@media all and (min-width:800px) {
    html {
        font-size: 15px;
    }

    .content {
        width: 800px;
    }
}

.fixed {
    position: fixed;
    bottom: 10px;
    left: 0px;
    width: 100%;
    z-index: 888;
    cursor: pointer;
}

.animat {
    animation: mymove 5s infinite;
    -webkit-animation: mymove 5s infinite;
    /*Safari and Chrome*/
    animation-direction: alternate;
    /*轮流反向播放动画。*/
    animation-timing-function: ease-in-out;
    /*动画的速度曲线*/
    /* Safari 和 Chrome */
    -webkit-animation: mymove 5s infinite;
    -webkit-animation-direction: alternate;
    /*轮流反向播放动画。*/
    -webkit-animation-timing-function: ease-in-out;
    /*动画的速度曲线*/
}

@keyframes mymove {
    0% {
        transform: scale(1);
        /*开始为原始大小*/
    }

    25% {
        transform: scale(1.1);
        /*放大1.1倍*/
    }

    50% {
        transform: scale(1);
    }

    75% {
        transform: scale(1.1);
    }

}

@-webkit-keyframes mymove

/*Safari and Chrome*/
    {
    0% {
        transform: scale(1);
        /*开始为原始大小*/
    }

    25% {
        transform: scale(1.1);
        /*放大1.1倍*/
    }

    50% {
        transform: scale(1);
    }

    75% {
        transform: scale(1.1);
    }
}
.p-scroll__down {
    width: 100%;

    animation: slideDown 1s infinite;
}



@keyframes slideDown {
    0% {
        transform: translateY(-8px);
        /* 向上偏移20px */
        opacity: 0;
        /* 初始透明度为0 */
    }

    50% {
        transform: translateY(0);
        /* 返回初始位置，无偏移 */
        opacity: 1;
        /* 透明度为1，达到完全显示状态 */
    }

    100% {
        transform: translateY(8px);
        /* 向下偏移20px */
        opacity: 0;
        /* 回到初始透明度为0，隐藏 */
    }
}

.ca {
    background-color: #f6f2ef;
    height: 100%;
}