html,
body,
div,
h1,
h2,
h3,
h4,
h5,
h6,
p,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
input,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
textarea,
article,
aside,
audio,
canvas,
figure,
footer,
header,
mark,
menu,
nav,
section,
time,
video {
    margin : 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size  : 100%;
    font-weight: normal
}

article,
aside,
dialog,
figure,
footer,
header,
hgroup,
nav,
section,
blockquote {
    display: block;
}

ul,
ol {
    list-style: none;
}

img {
    border        : 0 none;
    vertical-align: top;
}

blockquote,
q {
    quotes: none;
}

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

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

strong,
em,
i {
    font-style : normal;
    font-weight: normal;
}

ins {
    text-decoration: underline;
}

del {
    text-decoration: line-through;
}

mark {
    background: none;
}

input::-ms-clear {
    display: none !important;
}

body {
    font      : 12px/1.5 \5FAE\8F6F\96C5\9ED1, \5B8B\4F53, "Hiragino Sans GB", STHeiti, "WenQuanYi Micro Hei", "Droid Sans Fallback", SimSun, sans-serif;
    background: #fff;
}

a {
    text-decoration: none;
    color          : #333;
}

a:hover {
    text-decoration: underline;
}

body,
html,
.main {
    width : 100%;
    height: 100%;
    font-size: 12px; 
}
body{background: #031426;}

.main {
    position       : relative;
    background     : url(../images/background.jpg) no-repeat;
    background-size: cover;
}

.nav {
    position       : relative;
    top            : .5rem;
    width          : 100%;
    height         : 5rem;
    background     : url(../img/top.png) no-repeat;
    background-size: 100%;
    text-align     : center;
    line-height    : 4rem;
    color          : #0efcff;
    font-size      : 1.4rem;
    letter-spacing : .4rem;
}

.nav_btn {
    position: absolute;
    top     : 1.5rem;
    width   : 100%;
    height  : 2rem;
}

.btn_left {
    float      : left;
    width      : 25%;
    margin-left: 5%;
    height     : 100%;
}

.btn_right {
    float       : right;
    width       : 25%;
    margin-right: 5%;
    height      : 100%;
}

.btn_list {
    position      : relative;
    float         : left;
    width         : 5.5rem;
    height        : 1.6rem;
    text-align    : center;
    line-height   : 1.6rem;
    font-size     : .9rem;
    color         : #0efcff;
    letter-spacing: .1rem;
    cursor        : pointer;
}

.btn_left a,
.btn_right a {
    display: inline-block;
}

.btn_left a:nth-child(2) {
    margin: 0 .6rem;
}

.btn_left a:nth-child(4) {
    margin-left: .6rem;
}

.btn_right a:nth-child(2) {
    margin: 0 .6rem;
}

.btn_right a:nth-child(4) {
    margin-left: .6rem;
}

.btn_list:before {
    content  : '';
    position : absolute;
    top      : 0;
    right    : 0;
    bottom   : 0;
    left     : 0;
    border   : 1px solid #6176AF;
    transform: skewX(-38deg);
}

.btn_list:hover::before {
    border-color: #0efcff;
    box-shadow  : 1px 1px 3px 1px #0efcff inset;
}

.listActive:before {
    border-color: #0efcff;
    box-shadow  : 1px 1px 3px 1px #0efcff inset;
}

.content {
    position     : relative;
    width        : 97%;
    height       : 87%;
    margin       : auto;
    /* background: white; */
}

.baseBox {
    position     : relative;
    float        : left;
    width        : 48.8%;
    height       : 32.3%;
    border       : 1px solid #6176AF;
    background   : rgba(11, 21, 44, 0.60);
    border-radius: 5px;
}

.baseHeightBox {
    height: 100%;
}

.baseCenterBox {
    margin: 1.5% 0;
}

.leftBox {
    float        : left;
    height       : 100%;
    width        : 34.5%;
    /* background: yellow; */
}

.rightBox {
    float : left;
    height: 100%;
    width : 34.5%;
}

.centerBox {
    position     : relative;
    float        : left;
    width        : 30%;
    height       : 100%;
    margin       : 0 .5%;
    /* background: red; */
}

.marginLeft {
    margin-left: 1.5%;
}

/* 边框描边 */
.leftTopLine1 {
    position  : absolute;
    top       : 0;
    left      : -1px;
    height    : 1rem;
    width     : 2px;
    background: #0efcff;
}

.leftTopLine2 {
    position  : absolute;
    top       : -1px;
    left      : 0;
    height    : 2px;
    width     : 1rem;
    background: #0efcff;
}

.rightTopLine1 {
    position  : absolute;
    top       : 0;
    right     : -1px;
    height    : 1rem;
    width     : 2px;
    background: #0efcff;
}

.rightTopLine2 {
    position  : absolute;
    top       : -1px;
    right     : 0;
    height    : 2px;
    width     : 1rem;
    background: #0efcff;
}

.leftBottomLine1 {
    position  : absolute;
    bottom    : 0;
    left      : -1px;
    height    : 1rem;
    width     : 2px;
    background: #0efcff;
}

.leftBottomLine2 {
    position  : absolute;
    bottom    : -1px;
    left      : 0;
    height    : 2px;
    width     : 1rem;
    background: #0efcff;
}

.rightBottomLine1 {
    position  : absolute;
    bottom    : 0;
    right     : -1px;
    height    : 1rem;
    width     : 2px;
    background: #0efcff;
}

.rightBottomLine2 {
    position  : absolute;
    bottom    : -1px;
    right     : 0;
    height    : 2px;
    width     : 1rem;
    background: #0efcff;
	
}

.boxTitle {
    font-size  : 1rem;
    color      : #0efcff;
    width      : 80%;
    margin-left: .8rem;
    margin-top : .5rem;
}

.left {
    float: left;
}

.right {
    font: right;
}

/* 视频新加 */
.video-js .vjs-control {
    width: 1rem !important;
}
.vjs-volume-panel {
    display: none !important;
}
.vjs-live-display {
    display: none !important;
}
.vjs-audio-button{
    display: none !important;
}