* {
     margin: 0;
     padding: 0;
     list-style: none;
     list-style-type: none;
 }
a,
a:link,
a:visited,
a:active,
a:hover {
    text-decoration:none;
    color: #fff;
}
.dilse {
    max-width: 540px;
    margin: 0 auto;
    min-height: 100vh;
    padding-bottom: 15vh;
    background: linear-gradient(#d0edfe, #00B4F9);
}
.download {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 540px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 15vh;
    padding: 0 20px;
    box-sizing: border-box;
    background: linear-gradient(rgba(255,255,255,0), rgba(255,255,255,1));
}
.download>a,
.download>a>img {
    width: 100%;
}
.download>a>img {
    -webkit-animation: downloadAction 0.6s steps(12, end) infinite;
    animation: downloadAction 0.6s steps(12, end) infinite;
}
.top {
    padding: 32px 20px  23px 20px;
    box-sizing: border-box;
}
.top>img {
    width: 100%;
}
.line {
    margin-bottom: 20px;
    padding: 0 20px;
    box-sizing: border-box;
}
.line>p {
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, .7);
}
.banner-img {
    width: 100%;
    height: auto;
    border: none;
    display: block;
    -ms-interpolation-mode: bicubic;
}
.bottom {
    padding: 10px 20px;
    box-sizing: border-box;
}
.bottom>img {
    width: 100%;
}
/* 清除标签默认边距 */
.carousel {
    position: relative;
    overflow: hidden;
}
.carousel ul {
    /* 这个高度需要在JS里面动态添加 */
}
.carousel ul li {
    position: absolute;
    width: 100%;
    left: 0;
    top: 0;
    /* 使用 transform:translaX(300%) 暂时将 li 移动到屏幕外面去*/
    -webkit-transform: translateX(300%);
    transform: translateX(300%);
}
.carousel ul li>img {
    width: 100%;
}
@-webkit-keyframes downloadAction {
    0% {
        transform:scale(1,1);
    }
    40% {
        transform:scale(1.1,1.1);
    }
    90% {
        transform:scale(1,1);
    }
    100% {
        transform:scale(1,1);
    }
}
@keyframes downloadAction {
    0% {
        transform:scale(1,1);
    }
    40% {
        transform:scale(1.1,1.1);
    }
    90% {
        transform:scale(1,1);
    }
    100% {
        transform:scale(1,1);
    }
}