Vue移动端适配px to rem

reset.css文件

@charset "utf-8";

html {
    background-color: #fff;
    color: #000;
    overflow-x: hidden;
    height: 100%;
    font-size: 26.67vw;
    -webkit-tap-highlight-color: transparent;

}

body,
ul,
ol,
dl,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
figure,
form,
fieldset,
legend,
input,
textarea,
button,
p,
blockquote,
th,
td,
pre,
xmp {
    margin: 0;
    padding: 0
}

body,
input,
textarea,
button,
select,
pre,
xmp,
tt,
code,
kbd,
samp {
    line-height: 1.5;
    font-family: tahoma, arial, "Hiragino Sans GB", simsun, sans-serif
}

h1,
h2,
h3,
h4,
h5,
h6,
small,
big,
input,
textarea,
button,
select {
    /* font-size: 100% */
    font-size: 15px
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: tahoma, arial, "Hiragino Sans GB", "微软雅黑", simsun, sans-serif
}

h1,
h2,
h3,
h4,
h5,
h6,
b,
strong {
    font-weight: normal
}

address,
cite,
dfn,
em,
i,
optgroup,
var {
    font-style: normal
}

table {
    border-collapse: collapse;
    border-spacing: 0;
    text-align: left
}

caption,
th {
    text-align: inherit
}

ul,
ol,
menu {
    list-style: none
}

fieldset,
img {
    border: 0;
}

img,
object,
input,
textarea,
button,
select {
    vertical-align: middle
}

article,
aside,
footer,
header,
section,
nav,
figure,
figcaption,
hgroup,
details,
menu {
    display: block
}

audio,
canvas,
video {
    display: inline-block;
    *display: inline;
    *zoom: 1
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: "\0020"
}

textarea {
    overflow: auto;
    resize: vertical
}

input,
textarea,
button,
select,
a {
    outline: 0 none;
    border: none;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
    padding: 0;
    border: 0
}

mark {
    background-color: transparent
}

a,
ins,
s,
u,
del {
    text-decoration: none
}

sup,
sub {
    vertical-align: baseline
}

/* html {
    
} */

body {
    font-family: Arial, "Microsoft Yahei", "Helvetica Neue", Helvetica, sans-serif;
    color: #333;
    /* font-size: .28em; */
    font-size: 15px;
    line-height: 1;
    -webkit-text-size-adjust: none;
}

hr {
    height: .02rem;
    margin: .1rem 0;
    border: medium none;
    border-top: .02rem solid #cacaca;
}

a {
    color: #25a4bb;
    text-decoration: none;
}
将文件在main.js里导入, 由于在html下设置了font-size为26.67vw, 所以设置的px/100即为对应的rem, 屏幕的宽度固定为375