* {
    box-sizing: border-box;
    max-height: 100000px;
}

*:before, *:after {
    box-sizing: border-box;
    max-height: 100000px;
}

*, *:before, *:after {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, textarea, td {
    border: 0 none;
    color: inherit;
    margin: 0;
    padding: 0;
    vertical-align: middle;
}

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

em, strong, b {
    font-style: normal;
    font-weight: normal
}

ul, ol, li {
    list-style: none;
}

img {
    border: 0;
    margin: 0;
    padding: 0
}

a, a:link, a:visited, a:focus, a:hover {
    text-decoration: none;
}

html {
    line-height: initial;
    height: 100%;
    background: #fff;
}

*:focus {
    outline: none;
}

body {
    height: 100%;
    font-size: .28rem;
    color: #333;
    overflow: hidden
}

.indexbg {
    background: url(../images/index_bg.png) no-repeat;
    overflow: hidden;
    width: 100%;
    background-size: 7.5rem auto
}

input::-moz-placeholder {
    color: #ccc;
}

input::-ms-input-placeholder {
    color: #ccc;
}

.fl {
    float: left
}

.fr {
    float: right
}

/*头部*/

.header {
    height: .9rem;
    line-height: .9rem;
    width: 100%;
    position: fixed;
    z-index: 1000;
    background: #000;
    color: #fff;
}

.header .logo {
    width: 25%;
    float: left;
    height: .9rem;
    line-height: .9rem;
}

.header .logo img {
    display: block;
    width: .5rem;
    height: .5rem;
    margin: .2rem;
    margin-right: .1rem;
}

.nav li a {
    height: .9rem;
    line-height: .9rem;
    display: block;
    float: left;
    text-align: center;
    width: 25%;
    color: #999
}

.nav li a.active {
    background: #222;
    color: #fff
}

/*content*/

.content_wrap {
    position: absolute;
    top: 1.5rem;
    left: 0;
    width: 100%;
    overflow: hidden
}

.content {
    margin: 0 auto;
    height: auto;
}

.area_c .iphone {
    background: url(../images/iphone.png)no-repeat;
    background-size: 2.7rem auto;
    width: 2.7rem;
    height: 5.4rem;
    margin: 0 auto
}

.download_img {
    width: 80%;
    margin: .5rem auto;
    overflow: hidden;
    height: auto
}

.download_img img {
    width: 45%;
    margin: 0 auto;
}

.download_app {
    width: 1.8rem;
    text-align: center;
    margin: 0 auto;
    color: #fff;
}

.app_ios_img {
    width: 1.8rem;
    height: 1.8rem;
    overflow: hidden;
    margin-bottom: .2rem;
    background: url(../images/QRCode_ios.png)no-repeat;
    background-size: 1.8rem auto;
}

/*footer*/

.footer {
    position: absolute;
    font-size: .24rem;
    left: 0;
    bottom: 0;
    background: #000;
    width: 100%;
    padding: .2rem 0;
    overflow: hidden;
    text-align: center;
    color: #ccc;
}

.footer p a {
    margin: 0 .1rem;
}

/*about*/

.about_wrap {
    width: 90%;
    margin: 0 auto;
    background-color: rgba(0, 0, 0, 0.8);
    height: auto;
    overflow: hidden;
    padding: .2rem 0;
}

@media \0screen\, screen\9 {
    .about_wrap {
        background-color: #000000;
        filter: Alpha(opacity=80);
        position: static;
        *zoom: 1;
    }
    .about_wrap .about {
        position: relative;
    }
}

.about_wrap .about p {
    margin-bottom: .2rem;
    line-height: .5rem;
}

.sub_tit {
    color: #fff;
    text-align: center;
    font-size: .32rem;
    height: 1rem;
    line-height: 1rem;
}

.about_wrap .about {
    max-height: 8.2rem;
    color: #999;
    padding: 0 .4rem;
    overflow-y: scroll!important
}