html, body, div, span, applet, object, iframe,

h1, h2, h3, h4, h5, h6, p, blockquote, pre,

a, abbr, acronym, address, big, cite, code,

del, dfn, em, font, img, ins, kbd, q, s, samp,

small, strike, strong, sub, sup, tt, var,

dl, dt, dd, ol, ul, li,

fieldset, form, label, legend,

table, caption, tbody, tfoot, thead, tr, th, td,button, textarea,menu{

    margin: 0;

    padding: 0;

    border: 0;

    outline: 0;

    font-weight: inherit;

    font-style: inherit;

    font-size: 100%;

    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;

    vertical-align: baseline;

    -webkit-tap-highlight-color: transparent;

    font-family: "Source Han Sans" ,"Microsoft Yahei",Helvetica,Arial sans-serif;

    -webkit-appearance: none;

    -moz-appearance: none;

    appearance: none;

    cursor:pointer;

}

:focus {

    outline: 0;

}

body {

    font-size: 16px;

    line-height: 1;

    color: black;

    background: white;

    padding-top:40px;
    padding-bottom:60px;
    max-width:640px;
    margin-left:auto;
    margin-right:auto;

}

ol, ul ,li,dt,dd,dl{

    list-style: none;

}

table {

    border-collapse: separate;

    border-spacing: 0;

}

caption, th, td {

    text-align: left;

    font-weight: normal;

}

blockquote:before, blockquote:after,

q:before, q:after {

    content: "";

}

blockquote, q {

    quotes: "" "";

}

a{

    color:#000;

    display: block;

    cursor:pointer;

    text-decoration: none;

}

h1,h2,h3,h4{

    color:#000;

}

h1{

    font-size:1em;

}

h2{

    font-size:0.9em;

}

h3{

    font-size:0.8em;

}

h4{

    font-size:0.7em;

}

img{

    width: 100%;

    display: block;

}

video{

    display: block;

    margin-top:-1px;

}

button{

    box-shadow: none;

    background:none;

}



button,input,textarea{


    box-sizing: border-box;

    -webkit-border-radius:0;

    -moz-border-radius:0;

    border-radius:0;

}

@media screen and (min-width: 375px){
    h2{
        font-size:0.95rem;
    }
}