html,body {
    width:100%;
    height:100%;
    margin: 0;
}
body {
    /* background: url(../images/background.png); */
    background-repeat: no-repeat;
    background-size: 100% 100%;
    -webkit-background-size: 100% 100%;
    background-attachment: fixed;
    -webkit-background-attachment: fixed;
}


/* 头部 */
.header-background {
    width: 100%;
    height: auto;
}
.header-background img {
    width: 100%;
    height: auto;
}
.header-button {
    width: 24.5%;
    height: 10%;
    position: absolute;
    right: 4%;
    top: 0;
}
.header-button-center {
    padding: 15% 0;
}
.header-button-center img {
    width: 100%;
    height: auto;
}


/* 页面 */
.home {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.title {
    width: 24.67%;
    height: auto;
    margin-top: 3.75%;
}
.title img {
    width: 100%;
    height: auto;
}
.text {
    width: 90.267%;
    height: auto;
    margin-top: 2%;
}
.text img {
    width: 100%;
    height: auto;
}
.button {
    position: fixed;
    bottom: 14.5%;
    width: 64.8%;
    height: auto;
    /* margin-bottom: 22%; */
}
.button img {
    width: 100%;
    height: auto;
}


/* 在微信内置浏览器显示的指示性图片 */
#shade{
    display: none;
    z-index: 7;
    position: absolute;
    left: 0;
    top: 0;
}
.guideArrow {
    width: 100%;
    height: auto;
}
.guideArrow img {
    width: 100%;
    height: auto;
}