* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
}
html,
body {
    font-family:-apple-system,'Helvetica','Hiragino Sans GB', 'Microsoft Yahei', 'Microsoft Yahei Light',PingFang SC, Arial, sans-serif;
}
.overflow {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
a {
    text-decoration: none;
    line-height: normal;
    color: #333;
}
a:hover {text-decoration: none;}
li {list-style: none}
input {outline: none}
img {max-width: 100%;height: auto}
p{margin: 0}
.cls {
    display:block;
    clear:both;
}
.cls:after {
    content:'';
    display:block;
    height:0;
    clear:both;
    visibility:hidden;
    line-height: 0;
}
.hidden {visibility:hidden;}
.none {display:none;}
section {
    width: 100%;
    overflow: hidden;
}
.left {float: left}
.right {float: right}
body, div, dl, dt, dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote，th,td,.h1, .h2, .h3, .h4, .h5, .h6, h1, h2, h3, h4, h5, h6{margin:0;padding:0;line-height:normal;}
.v_center {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.btn{padding: 0}
.swiper-container {
    width: 100%;
    height: 100%;
}
.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    width: 100%;
    height: 100%;
}