/* reset */
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 {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-weight: inherit;
    font-style: inherit;
    font-size: 100%;
    font-family: inherit;
    vertical-align: baseline;
}
:focus {
    outline: 0;
}
a, a:link, a:visited, a:hover, a:active {
    text-decoration: none
}
table {
    border-collapse: collapse;
    border-spacing: 0
}
th, td {
    text-align: left;
    font-weight: normal;
}
fieldset, img {
    border: 0
}
img {
    vertical-align: top;
}
ol, ul {
    list-style: none
}
h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal
}

q:before, q:after {
	content: ''
}

abbr, acronym {
	border: 0;
	font-variant: normal
}
sup {
    vertical-align: text-top
}
sub {
    vertical-align: text-bottom
}
i, em {
    font-style: normal;
}
input, textarea, select, button {
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    *font-size: 100%
}
legend {
    color: #000
}
pre {
    display: block;
    font-family: monospace;
    white-space: pre;
    margin: 0;
    padding: 0;
}
textarea {
    resize: none;
}
::-ms-clear, ::-ms-reveal {
    display: none;
}
* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
/* reset end */

/* common */

html {
    height: 100%;
}
body {
    position: relative;
    width: 100%;
    height: auto;
    min-height: 100%;
    font: 14px/1.5 "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    color: #333;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a {
    cursor: pointer;
    color: #3DA7F3;
    text-decoration: none;
}
a:hover, a:focus {
    color: #005adf;
}
a:link, a:visited {
    text-decoration: none;
}
.clearfix:before, .clearfix:after {
    display: table;
    content: " ";
}
.clearfix:after {
    clear: both;
}
p, .p {
    margin-bottom: 10px;
}
.text-left {
    text-align: left!important;
}
.text-center {
    text-align: center!important;
}
.text-right {
    text-align: right!important;
}
.cm-left {
    float: left!important;
}
.cm-right {
    float: right!important;
}
.flex-y-center {
    display: flex;
    flex-direction: row;
    align-items: center;
}
.flex-sb{
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}
/* common end */

button, input {
    overflow: visible;
}

.video-space{
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    background: #477AE9;
    cursor: pointer;
}