#headermenu ul li:nth-child(7) {
    float: left;
    margin-right: 24px;
    border-bottom: solid 2px #1a5d9f;
}

    #headermenu ul li:nth-child(7) > a {
        color: #1a5d9f;
    }

#container > div:nth-child(1) {
    height: 350px;
    width: 100%;
    z-index: -1;
}

    #container > div:nth-child(1) > div:nth-child(1) {
        text-align: center;
        color: #fff;
        padding-top: 100px;
    }

        #container > div:nth-child(1) > div:nth-child(1) > div:nth-child(1) {
            font-size: 50px;
            text-align: center;
        }

        #container > div:nth-child(1) > div:nth-child(1) > div:nth-child(2) {
            font-size: 30px;
            height: 70px;
            line-height: 70px;
            letter-spacing: 5px;
        }

        #container > div:nth-child(1) > div:nth-child(1) > div:nth-child(3) {
            text-align: center;
            padding-top: 20px;
        }

.casebtn {
    width: 200px;
    height: 50px;
    border: solid 1px #fff;
    text-align: center;
    border-radius: 20px;
    color: #fff;
    font-size: 18px;
    line-height: 50px;
    margin: 0 auto;
    cursor: pointer;
    background-color: #08BBFF;
    transition: background 0.4s;
}

    .casebtn:hover {
        background-color: #fff;
        color: #08BBFF;
    }

#aboutusaction {
    width: 1100px;
    margin: 0 auto;
    border: 0px;
    height: 120px;
    margin-top: -50px;
    z-index: 9999;
    background-color: #fff;
    -moz-box-shadow: 0px 0px 40px #DDDEDA;
    -webkit-box-shadow: 0px 0px 40px #DDDEDA;
    box-shadow: 0px 0px 40px #DDDEDA;
    border-radius: 2px;
    display: table;
}

#aboutusui {
    list-style: none;
    font-size: 18px;
    text-align: center;
    width: 100%;
    padding: 0px 0px 0px 2px;
}

    #aboutusui li {
        width: 274px;
        display: table-cell;
        height: 118px;
        background-color: #F8F9FD;
    }

    #aboutusui > li:nth-child(1) {
        width: 274px;
        display: table-cell;
        height: 118px;
        background-color: #fff;
    }

.content {
    position: absolute;
    width: 273px;
    height: 118px;
    /*border:1px solid #aa0507;*/
}

    .content:before, .content:after {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        color: #89ABCE;
        content: '';
        box-sizing: border-box;
        z-index: 1;
    }

    .content:hover {
        cursor: pointer;
    }

        .content:hover:before {
            top: 1px;
            right: 0;
            bottom: 0;
            left: -1px;
            box-shadow: inset 0 0 0 2px;
            animation: ClipBefore 4s linear infinite;
        }

        .content:hover:after {
            box-shadow: inset 0 0 0 2px;
            animation: ClipAfter 4s linear infinite;
            /*由于图片展示的区域比外边框小,所以这里要重新定位after的展示位置*/
            top: 18px;
            bottom: 0px;
            right: 0px;
            left: 18px;
        }

@keyframes ClipAfter {
    0%, 100% {
        clip: rect(0px,273px,202px,0px);
    }

    25% {
        clip: rect(100px,273px,202px,150px);
    }

    50% {
        clip: rect(200px,273px,202px,300px);
    }

    75% {
        clip: rect(100px,273px,202px,150px);
    }
}

@keyframes ClipBefore {
    100%,0% {
        clip: rect(0px,300px,200px,0px);
    }

    25% {
        clip: rect(0px,150px,100px,0px);
    }

    50% {
        clip: rect(0px,0px,0px,0px);
    }

    75% {
        clip: rect(0px,150px,100px,0px);
    }
}

@keyframes ClipAfter {
    0%, 100% {
        /*为了在动画过程中能保留右边框和下边框,rect的right和bottom分别多取两个像素*/
        /*重新定位后,为了在动画的终点和起点不要显示上边框和左边框,rect的top和left分别多取了二个像素*/
        clip: rect(2px,273px,202px,2px);
    }

    25% {
        clip: rect(100px,273px,202px,150px);
    }

    50% {
        clip: rect(200px,273px,202px,300px);
    }

    75% {
        clip: rect(100px,273px,202px,150px);
    }
}

.iw_poi_title {
    color: #CC5522;
    font-size: 14px;
    font-weight: bold;
    overflow: hidden;
    padding-right: 13px;
    white-space: nowrap
}

.iw_poi_content {
    font: 12px arial,sans-serif;
    overflow: visible;
    padding-top: 4px;
    white-space: -moz-pre-wrap;
    word-wrap: break-word
}

.lichengclass {
    width: 100%;
    position: relative;
    padding: 10px 0;
}

.courseone {
    width: 438px;
    display: inline-block;
    text-align:right;
    vertical-align:middle;
}

.coursetwo {
    width: 452px;
    position: relative;
    display: inline-block;
    text-align: left;
    vertical-align: middle;
}

.courseleft {
    float: left;
    width: 80px;
}

.courseleftone {
    width: 12px;
    height: 12px;
    background-color: #409DE9;
    border: solid 4px #fff;
    border-radius: 15px;
    display: inline-block;
    vertical-align: middle;
    margin:10px;
}

.courselefttwo {
    display: inline-block;
}

    .courselefttwo img {
        max-height: 48px;
        max-width: 48px;
        vertical-align: middle;
    }

.coursetitle {
    font-size: 18px;
    color: #34404b;
    height: 18px;
}
.coursedesc {
    font-size: 14px;
    color: #7b8390;
    line-height: 20px;
    margin-top: 10px;
    overflow: hidden;
    text-align:justify;
}
.courseone>p {
    float: right;
}
.coursetwo>p {
    float: left;
}
.coursehistory {
    width: 458px;
    position: relative;
    display: inline-block;
    text-align: right;
}

.coursehistoryleft {
    float: left;
    width: 365px;
}

    .coursehistoryleft > p:nth-child(1) {
        font-size: 18px;
        color: #34404b;
        height: 18px;
    }

    .coursehistoryleft > p:nth-child(2) {
        font-size: 14px;
        color: #7b8390;
        line-height: 20px;
        margin-top: 10px;
        overflow: hidden;
    }

.coursehistoryright {
    float: right;
    width: 80px;
}

.coursehistoryone {
    width: 433px;
    display: inline-block;
}

#mycourse {
    width: 1200px;
    margin: 0 auto;
    margin-top: 80px;
    padding-bottom: 60px;
    transition-duration: 20s;
    -webkit-transition-duration: 20s;
}

#courseline {
    width: 2px;
    position: absolute;
    left: 50%;
    background-color: #e6e9ef;
    margin-left: -1px;
    transition-duration: 20s;
    -webkit-transition-duration: 20s;
}

.mycoursetitle {
    font-size: 32px;
    color: #495060;
    text-align: center;
    margin-bottom: 40px;
}

.coursecontext {
    width: 900px;
    margin: 0 auto;
    position: relative;
}

.aboutusdivtwo {
    color: #646e78;
    font-size: 16px;
    text-align: justify;
    line-height: 30px;
    margin-top: 30px;
}

    .aboutusdivtwo img {
        max-width: 1100px;
    }