* {
    margin: 0px;
    padding: 0px;
    border: none;
    outline: none;
    background-color: transparent;

    /* 统一box-sizing */
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;

    /* ios禁止点击效果 */
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);

    /* 字体 */
    font-family: Arial;
    font-size: 15px;
    font-weight: normal;

    line-height: 1;
}

a {
    text-decoration: none;
    outline: none;
    color: #000;
}

body {
    user-select: none;
}

.app-download {
    width: 50px;
    height: 24px;
    background-color: #f6f6f6;
    padding: 5px;
    border-radius: 100px;
}

.app-footer {
    padding: 0px 0px 12px 0px;
    position: fixed;
    bottom: 0px;
    left: 0px;
    background-color: white;
    right: 0px;
    z-index: 10;
}

.app-footer > div:nth-child(1) {
    padding: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-footer > div:nth-child(1) > a > img {
    width: 30px;
    height: 30px;
    padding: 4px;
    margin: 0px 2px 0px 2px;
}

.app-detail-download {
    padding: 0px 16px 0px 16px;
}

.app-detail-download button {
    background-color: #517DA2;
    color: white;
    width: 100%;
    box-shadow: 0px 0px 5px #dddddd;
    height: 40px;
    border-radius: 100px;
}

.app-detail-gallery {
    padding: 16px 0px 16px 16px;
    display: flex;
    align-items: center;
    overflow-x: auto;
}

.app-detail-gallery img {
    width: 80px;
    height: 160px;
    margin-right: 8px;
    box-shadow: 0px 0px 5px #dddddd;
    border-radius: 5px;
}