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, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header,
menu, nav, output, ruby, section, summary,
time, mark, audio, video, input {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font-weight: normal;
    vertical-align: baseline;
}

article, aside, details, figcaption, figure,
footer, header, menu, nav, section {
    display: block;
}

body {
    /* line-height: 1; */
    overflow: hidden;
}

blockquote, q {
    quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
    content: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

a {
    color: #7e8c8d;
    text-decoration: none;
    -webkit-backface-visibility: hidden;
}

li {
    list-style: none;
}


html, body {
    width: 100%;
    height: 100%;
}
body {
    -webkit-text-size-adjust: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    background: #466368;
    background: -webkit-linear-gradient(#648880, #293f50);
    background:    -moz-linear-gradient(#648880, #293f50);
    background:         linear-gradient(#648880, #293f50);
    background-size: cover;
}

/*在mac上，增加此设置，会导致滚动条不能自动显示与隐藏，滚动条会一直显示 */
::-webkit-scrollbar {
    width: 8px;
}

/* 滚动条滑块 */
::-webkit-scrollbar-thumb {
    border-radius: 6px;
    background: rgba(0,0,0,0.1);
}

/* video {
    background: #222;
    margin: 0 0 20px 0;
    --width: 100%;
    width: var(--width);
    height: var(--width);
} */


*,*:before,*:after {
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	box-sizing: border-box
}

.flexbox{display:-webkit-box; display:-webkit-flex; display:flex; display:-ms-flexbox;}
.flex-alignc{align-items: center;}
.flex1{-webkit-box-flex:1; -webkit-flex:1; -ms-flex:1; flex:1;}