html,
body {
    line-height: 0
}

body {
    background: #fff
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
ol,
dl,
dd,
p {
    margin: 0
}

body,
h1,
input,
button,
select,
textarea {
    font-family: microsoft yahei, pingfang sc, helvetica neue, serif;
    font-size: .28rem;
    color: #272727
}

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

input,
button,
textarea,
th,
td {
    padding: 0
}

i,
em,
cite {
    font-style: normal
}

ul,
ol {
    padding: 0;
    list-style: none
}

img {
    vertical-align: top;
    border: none
}

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

.warp,
.header {
    margin: 0 auto;
    width: 7.5rem
}

.warp:after {
    content: '';
    display: table;
    clear: both
}

.header {
    position: fixed;
    display: table;
    background: rgba(40, 40, 40, .5);
    z-index: 3
}

.soft-logo,
.soft-name,
.soft-down {
    display: table-cell;
    height: 1rem;
    vertical-align: middle
}

.soft-logo {
    width: .9rem;
    text-align: right
}

.soft-logo img {
    border-radius: .15rem;
    width: .7rem;
    height: .7rem
}

.soft-name {
    padding: 0 .17rem;
    line-height: .2rem;
    font-size: .18rem;
    font-weight: 300;
    color: #fff
}

.soft-name p:first-child {
    line-height: .4rem;
    font-size: .3rem;
    font-weight: 700
}

.soft-down {
    width: 1.66rem
}

.soft-btn {
    border-radius: .5rem;
    width: 1.5rem;
    height: .6rem;
    background: #fff;
    text-align: center
}

.soft-btn img {
    margin: .04rem 0 0 .05rem;
    width: 1.3rem
}

.soft-cont {
    position: relative
}

.soft-cont img {
    width: 100%
}

.down-btn {
    position: absolute;
    top: 5.5rem;
    right: .4rem;
    padding: .5rem 0 .1rem .5rem;
    width: 2.05rem !important;
    height: .48rem
}

.step {
    margin: 0 auto;
    width: 7.5rem;
    background: #000 url("https://dh-1304670117.cos.ap-guangzhou.myqcloud.com/step-header.jpg.html") no-repeat top/contain;
    text-align: center
}

.step-header {
    padding: .5rem 0;
    font-size: .36rem;
    color: #fff
}

.step img {
    margin-bottom: .3rem;
    width: 6.9rem
}

.weixin {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    text-align: center;
    background: rgba(0, 0, 0, .8);
    z-index: 9
}

.weixin img {
    margin: .3rem 0 0 .4rem;
    width: 5.73rem;
    height: 2.65rem
}