/* 苹果系统字体 */
body {
    font-family: -apple-system, "SF Pro Text", "SF Pro Display", "Helvetica Neue",
                 "Helvetica", "Arial", sans-serif;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}