.flex-1,
.flex-10,
.flex-11,
.flex-12,
.flex-2,
.flex-3,
.flex-4,
.flex-5,
.flex-6,
.flex-8,
.flex-9,
.header .inner .logo {
    float: left;
}

.bounceIn,
.bounceInUp {
    -webkit-animation-duration: 0.75s;
}

.footer .inner:after,
.header .inner:after,
.main-wrapper .Index-inner:after,
.row:after {
    clear: both;
    content: "";
    visibility: hidden;
}

* {
    box-sizing: border-box;
}

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

body,
button,
input,
select,
textarea {
    font: 12px/1.5tahoma, arial, \5b8b\4f53;
}

button,
h1,
h2,
h3,
h4,
h5,
h6,
input,
select,
textarea {
    font-size: 100%;
}

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

code,
kbd,
pre,
samp {
    /* font-family: couriernew, courier, monospace;  */
}

small {
    font-size: 12px;
}

ol,
ul {
    list-style: none;
}

sup {
    vertical-align: text-top;
}

sub {
    vertical-align: text-bottom;
}

legend {
    color: #000;
}

fieldset,
img {
    border: 0;
}

a:hover {
    -webkit-tap-highlight-color: transparent;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

@media screen and (max-width: 768px) {
    :root {
        font-size: 15.625vw;
    }
}

body {
    background: #eaf2fd;
}

.row {
    zoom: 1;
}

.row:after {
    display: block;
    height: 0;
}

.flex-1 {
    width: 8.33333%;
}

.flex-2 {
    width: 16.66667%;
}

.flex-3 {
    width: 25%;
}

.flex-4 {
    width: 33.33333%;
}

.flex-5 {
    width: 41.66667%;
}

.flex-6 {
    width: 50%;
}

.flex-7 {
    float: left;
    width: 58.33333%;
}

.flex-8 {
    width: 66.66667%;
}

.flex-9 {
    width: 75%;
}

.flex-10 {
    width: 83.33333%;
}

.flex-11 {
    width: 91.66667%;
}

.flex-12 {
    width: 100%;
}

.header {
    width: 100%;
    padding: .5rem .3rem 0;
}

.header .download-box {
    height: 1.9rem;
    background: url("icon.png") no-repeat;
    background-size: 1.5rem auto;
    background-position: .15rem top;
    padding: .15rem 0 0 2rem;
    border-bottom: 1px solid #c6c6c6;
}

.header .download-box h3 {
    font-size: .4rem;
    color: #000;
    white-space: nowrap;
}

.header .download-box .install-btn {
    width: 1.2rem;
    height: .4rem;
    display: block;
    background-color: #3678f2;
    border-radius: .2rem;
    font-size: .26rem;
    text-align: center;
    color: #fff;
    line-height: .4rem;
    text-decoration: none;
    margin-top: .16rem;
}

.header .txt-line {
    padding: .6rem .6rem 0;
    line-height: 0;
}

.header .txt-line img {
    width: 100%;
}

.step-item {
    padding: .8rem .3rem 0;
}

.step-item .txt {
    font-size: .24rem;
    color: #333;
    font-weight: bold;
    font-family: PingFangSC-Medium;
    text-align: justify;
}

.vi .step-item .txt {
    font-family: "Times new roman";
}

.step-item .img-box {
    line-height: 0;
    margin-top: .2rem;
}

.step-item img {
    width: 100%;
}

.slip-title {
    background-image: url("title-line.png");
    background-repeat: no-repeat;
    margin-top: .8rem;
    padding: 0 .3rem;
    -moz-background-size: 100% 100%;
    background-size: 100% 100%;
    height: 1rem;
    line-height: 1rem;
    font-weight: 500;
    font-size: .36rem;
    color: #FFFFFF;
    text-align: center;
}

body.vi {
    font-family: "Times new roman";
}