html {
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    height: 100%
}

* {
    box-sizing: border-box
}

[class*=tm-], [class*=tm-]::before, [class*=tm-]::after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box
}

body {
    background: url(../images/bgs.jpg) center no-repeat;
    background-size: cover;
    margin: 0;
    padding: 0;
    font-family: Roboto, "San Francisco", "pingfang SC", "Hiragina Sans GB", "Helvetica Neue", Helvetica, "microsoft yahei ui", "microsoft yahei", simsun, arial, sans-serif;
    font-size: 12px;
    line-height: 1.5;
    color: #2D3033
}

aside, footer, header, nav, section, figcaption, figure, main, details, summary, menu {
    display: block
}

audio, canvas, progress, video {
    display: inline-block
}

template, [hidden] {
    display: none
}

blockquote, dl, dd, h1, h2, h3, h4, h5, h6, figure, p, pre {
    margin: 0
}

ol, ul {
    list-style: none;
    margin: 0;
    padding: 0
}

i, cite, em, var, address, dfn {
    font-style: normal
}

a {
    background-color: transparent;
    text-decoration: none;
    color: #006FFF;
    cursor: pointer
}

a:active, a:hover {
    outline-width: 0
}

a:hover {
    text-decoration: underline
}

html, body {
    min-width: unset
}

html .download-pc, body .download-pc {
    min-width: 1240px
}

html .download-pc .download-msg, body .download-pc .download-msg {
    min-height: 0;
    height: 100vh
}

.download-msg {
    min-height: 100vh;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    -js-display: flex;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
}

.download-msg-cnt {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    -js-display: flex;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    text-align: center;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    width: 280px;
    height: 280px;
}

.download-msg-title {
    margin: 0;
    font-weight: 500;
    font-size: 20px;
    color: #2d3033;
    line-height: 30px;
    padding-top: 8px
}

.download-msg-title.download-msg-title-pc {
    font-size: 45px;
    color: #fff;
    margin-bottom: 20px
}

.download-msg-tip {
    margin-top: 4px;
    font-size: 14px;
    color: #2d3033;
    line-height: 24px
}

.download-msg-tip.download-msg-tip-pc {
    color: #fff;
    font-size: 20px
}

.download-msg-tip.download-msg-tip-pc a {
    text-decoration: none;
    color: yellow;
	font-size: 24px
}

.download-msg-cnt-pc.download-msg-cnt {
    width: 1000px;
    margin: 0 auto;
    height: 520px;
    background: rgba(0, 0, 0, .35);
}

.eweima {
    margin-top: 40px;
    text-align: center;
}

.eweima img {
    display: inline-block;
    width: 200px
}

.footerTxt {
    height: 82px;
    line-height: 32px;
    text-align: center;
    color: #484c71;

}

.footerTxt span {
    margin-left: 45px;
}

.btn-container {
    width: 100%;
    padding: 10px 0px 10px 0px ;
    display: flex;
    justify-content: center;
}

.btn {
    background: #007afe;
    border: 1px solid transparent;
    padding: 10px 20px;
    font-size: 20px;
    color: white;
    border-radius: 8px;
    margin-left: 150px;
    cursor: help;
    transition: all .35s ease;
    position: relative;
}

.btn:hover {
    background: white;
    border-color: #007afe;
    color: #007afe;
}

.btn:first-child {
    margin-left: 0;
}

.tutorial-container {
    position: absolute;
    overflow: hidden;
    transition: transform .35s ease;
    transform: scaleY(0);
    cursor: default;
    color: #303133;
    font-size: 20px;
    font-weight: normal;
    filter: drop-shadow(3px 5px 6px rgba(0, 122, 254, 0.63));
}

.tutorial-content-wrap {
    background: white;
    border-radius: 8px;
    padding: 15px;
    position: relative;
    height: calc(100% - 24px);
}

.tutorial-content {
    height: 100%;
    overflow: auto;
}

.arrow {
    width: 0;
    height: 0;
    border-style: solid;
    border-color: transparent;
    border-left-width: 16px;
    border-right-width: 16px;
    display: inline-block;
    position: absolute;
}

#tutorial-v {
    width: 100%;
    height: 100%;
    object-fit: fill;
}