@charset "utf-8";

/* reset */

html,
body {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-touch-callout: none;
    -webkit-overflow-scrolling: touch;
    -moz-overflow-scrolling: touch;
    -o-overflow-scrolling: touch;
    overflow-scrolling: touch;
    max-width: 750px;
    margin: 0 auto;
}

body {
    font-size: 62.5%;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
    margin: 0;
    padding: 0;
}

body,
button,
input,
select,
textarea {
    font-family: "Microsoft Yahei", "Hiragino Sans GB", "Helvetica Neue", Helvetica, STHeiTi, sans-serif;
    color: #666666;
    background-color: #fff;
    position: relative;
}

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

textarea {
    resize: none;
}

input[type=button],
input[type=submit] {
    cursor: pointer;
}

input[type=button] {
    -webkit-appearance: none;
    outline: none
}

input::-webkit-input-placeholder {
    color: #B5B5B5;
}

textarea::-webkit-input-placeholder {
    color: #B5B5B5;
}

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

th {
    text-align: inherit;
}

fieldset,
img {
    border: 0 none;
}


/*img{vertical-align: middle;}*/

abbr,
acronym {
    border: none;
    font-variant: normal;
}

del {
    text-decoration: line-through;
}

hr {
    border: 0;
    height: 1px;
    background-color: #D9D9D9;
}

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

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit
}

button,
input {
    border: 0;
    background: 0;
    -webkit-appearance: none;
    outline: 0
}

a {
    -webkit-touch-callout: none;
    text-decoration: none;
    color: #666666;
    outline: 0;
    cursor: pointer;
}

a:hover {
    text-decoration: none;
}

a:focus,
*:focus {
    outline: none;
}

em,
i {
    font-style: normal
}

label {
    cursor: pointer;
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -ms-word-break: break-all;
    word-break: break-all;
    -ms-word-wrap: break-word;
    word-wrap: break-word;
    /* -webkit-tap-highlight-color:rgba(0,0,0,0); */
}

.clearfix:before,
.clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
    overflow: hidden;
}

.clearfix {
    zoom: 1;
}

.clear {
    clear: both;
    display: block;
    font-size: 0;
    height: 0;
    line-height: 0;
    overflow: hidden;
}


/*====================== mouse =======================*/

.cp {
    cursor: pointer;
}

.cd {
    cursor: default;
}

.cna {
    cursor: not-allowed;
}


/*====================== position =======================*/

.tl {
    text-align: left;
}

.tc {
    text-align: center;
}

.tr {
    text-align: right;
}

.bc {
    margin-left: auto;
    margin-right: auto;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.cb {
    clear: both;
}

.cl {
    clear: left;
}

.cr {
    clear: right;
}

.vt {
    vertical-align: top;
}

.vm {
    vertical-align: middle;
}

.vb {
    vertical-align: bottom;
}

.pr {
    position: relative;
}

.pa {
    position: absolute;
}

.abs-left {
    position: absolute;
    right: 0
}

.abs-right {
    position: absolute;
    right: 0
}

.abs-top {
    position: absolute;
    top: 0
}

.abs-bottom {
    position: absolute;
    bottom: 0
}

.abs-lt {
    position: absolute;
    left: 0;
    top: 0;
}

.abs-lb {
    position: absolute;
    left: 0;
    bottom: 0
}

.abs-rt {
    position: absolute;
    right: 0;
    top: 0
}

.abs-rb {
    position: absolute;
    right: 0;
    bottom: 0
}

.zoom {
    zoom: 1;
}

.hidden {
    visibility: hidden;
}

.none {
    display: none;
}

.ib {
    display: inline-block;
}

.inline {
    display: inline;
}

.block {
    display: block;
}

@media screen and (max-width:320px) {
    html {
        font-size: 42px
    }
}

@media screen and (min-width:320px) and (max-width:375px) {
    html {
        font-size: 42px
    }
}

@media screen and (min-width:375px) and (max-width:414px) {
    html {
        font-size: 50px
    }
}

@media screen and (min-width:414px) and (max-width:639px) {
    html {
        font-size: 56px
    }
}

@media screen and (min-width:640px) and (max-width:719px) {
    html {
        font-size: 86px
    }
}

@media screen and (min-width:720px) and (max-width:749px) {
    html {
        font-size: 96px
    }
}

@media screen and (min-width:750px) and (max-width:799px) {
    html {
        font-size: 100px
    }
}

.logo-swich {
    display: none!important;
}

::-webkit-scrollbar {
    width: 0px;
    height: 0px;
    background-color: rgba(0, 0, 0, 0);
}


/*定义滚动条的轨道，内阴影及圆角*/

 ::-webkit-scrollbar-track {
    border-radius: 0px;
    background-color: rgba(0, 0, 0, 0);
}


/*定义滑块，内阴影及圆角*/

 ::-webkit-scrollbar-thumb {
    border-radius: 0px;
    opacity: 0;
    background-color: rgba(0, 0, 0, 0);
}

body {
    max-width: 750px;
    margin: 0 auto;
    position: relative;
}

html,
body {
    height: 100%;
}

* {
    margin: 0;
    padding: 0;
}


/* logo */

.model_logo img {
    position: absolute;
    top: .1rem;
    left: .2rem;
    width: 1.2rem;
    z-index: 2;
}