.video_player {
            position: relative;
            width: 870px;
            /* height: 500px; */
            margin: 0 auto;
            overflow: hidden;
        }

        .video_player video {
            width: 100%;
            height: 100%;
        }

        .video_player .menu {
            position: absolute;
            width: 100%;
            height: 50px;
            background-color: rgba(0, 0, 0, 0.5);
            bottom: 0;
            left: 0;
        }

        .video_player .menu .play {
            position: absolute;
            width: 50px;
            height: 30px;
            border: 1px solid white;
            border-radius: 10px;
            color: white;
            text-align: center;
            line-height: 30px;
            top: 50%;
            left: 30px;
            transform: translateY(-50%);
            cursor: pointer;
        }

        .video_player .menu .play:hover {
            background-color: rgb(219, 74, 74);
        }

        .time {
            position: absolute;
            width: 100px;
            height: 30px;
            color: white;
            text-align: center;
            line-height: 30px;
            top: 50%;
            left: 100px;
            transform: translateY(-50%);
        }

        /* 进度条 */
        .progress_bar {
            position: absolute;
            top: -6px;
            left: 0;
            width: 100%;
            height: 6px;
            background-color: #ccc;
            transition: height .2s linear, top .2s linear;
			cursor:pointer;
        }

        .progress_bar>div {
            width: 0px;
            height: 100%;
            background-color: rgb(250, 139, 12);
        }

        .progress_bar>i {
            position: absolute;
            top: -2px;
            left: 0px;
            transform: translateX(-50%);
            width: 10px;
            height: 10px;
            background-color: red;
            border-radius: 20px;
            transition: height .2s linear, top .2s linear, width .2s linear;
        }

        /* 倍数 */
        li {
            list-style: none;
        }

        .speed {
            position: absolute;
            top: 50%;
            right: 150px;
            transform: translateY(-50%);
            color: white;
            text-align: center;
            line-height: 30px;
        }

        .speed div {
            width: 50px;
            height: 30px;
            border: 1px solid white;
            border-radius: 10px;
            cursor: pointer;
        }

        .speed ul {
            position: absolute;
            top: -170px;
            left: -4px;
            padding-bottom: 25px;
            display: none;
        }

        .speed ul li {
            padding: 0 10px;
            background-color: rgba(0, 0, 0, 0.5);
        }

        .speed ul li:nth-of-type(1) {
            border-top-left-radius: 10px;
            border-top-right-radius: 10px;
        }

        .speed ul li:nth-last-of-type(1) {
            border-bottom-left-radius: 10px;
            border-bottom-right-radius: 10px;
        }

        .speed ul li:hover {
            background-color: rgb(219, 74, 74);
        }

        .speed div:hover {
            background-color: rgb(219, 74, 74);
        }

        /* 音量 */
        .volume {
            position: absolute;
            top: 50%;
            right: 80px;
            transform: translateY(-50%);
            color: white;
            text-align: center;
            line-height: 30px;
			cursor:pointer;
        }

        .volume>span {
            display: block;
            width: 50px;
            height: 30px;
            border: 1px solid white;
            border-radius: 10px;
            cursor: pointer;
        }

        .volume>span:hover {
            background-color: rgb(219, 74, 74);
        }

        .volume .Controller {
            position: absolute;
            top: -170px;
            width: 50px;
            height: 150px;
            border-radius: 10px;
            background-color: rgba(0, 0, 0, 0.5);
            display: none;
        }

        .volume .Controller div {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translateY(-50%) translateX(-50%);
            width: 5px;
            height: 100px;
            background-color: #ccc;

        }

        .volume .Controller div::before {
            position: absolute;
            content: '';
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 5px;
            height: 100px;
            background-color: rgb(250, 139, 12);
            ;
        }

        .volume .Controller div::after {
            position: absolute;
            content: '';
            bottom: 100px;
            left: 50%;
            transform: translateX(-50%) translateY(4px);
            width: 8px;
            height: 8px;
            background-color: white;
            border-radius: 10px;
        }
/* 全屏 */
        .full {
            position: absolute;
            width: 50px;
            height: 30px;
            border: 1px solid white;
            border-radius: 10px;
            color: white;
            text-align: center;
            line-height: 30px;
            top: 50%;
            right: 10px;
            transform: translateY(-50%);
            cursor: pointer;
        }
		.full:hover {
		    background-color: rgb(219, 74, 74);
		}