body, ol, ul, h1, h2, h3, h4, h5, h6, p, th, td, dl, dd, form, fieldset, legend, input, textarea, select {
    margin: 0;
    padding: 0;
}


body {
    background: #fff;
    -webkit-text-size-adjust: 100%;
    font-size: 12px
}

a {
    color: #2d374b;
    text-decoration: none;
}

    a:hover {
        color: #cd0200;
    }

em {
    font-style: normal
}

li {
    list-style: none
}

img {
    border: 0;
    vertical-align: middle
}

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

p {
    word-wrap: break-word
}

.w_min_box {
    min-width: 1200px;
}

.w_clear:after {
    content: '';
    clear: both;
    display: block
}
.w_video_content {
    background: #f5f5f5
}
.w_banner_box {
    width: 1200px;
    margin: auto;
    background: url('https://www.机电之家.cn/images/expo/tjj/sp_bnner.jpg') no-repeat center
}
    .w_banner_box p {
        display: block;
        height: 90px;
        line-height: 90px;
        color: #fef55e;
        font-size: 18px;
        float: right;
        width: 190px;
        text-align: right;
        margin-right:188px;
    }
.w_video_box {
    width: 1200px;
    margin: 0 auto;
}
.w_com_video_title {
    display: block;
    color: #333;
    font-size: 24px;
    line-height: 65px;
    font-weight: bold;
}
.w_com_video_box .m {
    padding-bottom:20px;
    width: 960px;
    margin: 0 auto
}
.vjs-paused .vjs-big-play-button,
.vjs-paused.vjs-has-started .vjs-big-play-button {
    display: block;
}
.video-js .vjs-big-play-button {
    font-size: 2.5em !important;
    line-height: 2.3em !important;
    height: 2.5em !important;
    width: 2.5em !important;
    -webkit-border-radius: 2.5em !important;
    -moz-border-radius: 2.5em !important;
    border-radius: 2.5em !important;
    background-color: #73859f !important;
    background-color: rgba(115,133,159,.5) !important;
    border-width: 0.15em !important;
    margin-top: -1.25em !important;
    margin-left: -1.75em !important;
}
/* 中间的播放箭头 */
.vjs-big-play-button .vjs-icon-placeholder {
    font-size: 1.63em !important;
}
/* 加载圆圈 */
.vjs-loading-spinner {
    font-size: 2.5em !important;
    width: 2em !important;
    height: 2em !important;
    border-radius: 1em !important;
    margin-top: -1em !important;
    margin-left: -1.5em !important;
}