/* ====== 公共样式 ====== */
* {
    margin: 0;
    padding: 0;
}

html,
body {
    font-family: -apple-system-font, "Helvetica Neue", sans-serif;
    background: #fff;
    height: 100%;
}

li {
    list-style: none;
}

button,
select,
textarea {
    outline: none;
    -webkit-appearance: none;
    border-radius: 0;
    -moz-appearance: none;
    border: none;
}

input[type="text"],
input[type="password"],
input[type="num"] {
    -webkit-appearance: none;
    border-radius: 0;
    outline: none;
}