/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    width: 100%;
    height: auto;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    background-color: #f5f5f5;
    background-image: url('./BG.png');
    background-position: top center;
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    min-height: 200vh;
    cursor: pointer;
    padding-bottom: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.download-button {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.download-button img {
    width: 100%;
    height: auto;
    display: block;
}