#head {
    box-shadow: 0px 0px 9px rgba(193, 193, 193, 0.74);
}

#container {
    width: 1280px;
    margin: 0 auto;
    padding: 75px 0;
}

#container .container-left {
    width: 785px;
    float: left;
}

#container .container-left img {
    width: 783px;
    height: 473px;
    display: block;
}

#container .container-left .text {
    margin: 30px 0;
    color: #666;
    font-family: PingFang-SC-Regular;
    font-size: 14px;
    line-height: 1.5;
}

#container .container-left .goal {
    margin-top: 15px;
}

#container .container-left .goal .title {
    font-family: PingFang-SC-Medium;
    font-size: 14px;
    color: #000;
    margin-bottom: 15px;
}

#container .container-left .goal .text {
    margin: 0;
}

#container .container-left .material {
    font-family: PingFang-SC-Medium;
    font-size: 14px;
    color: #000;
    margin-top: 20px;
    padding: 10px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

#container .container-right {
    width: 405px;
    float: right;
}

#container .container-left .head {
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

#container .container-left .head h2 {
    font-size: 24px;
    font-family: PingFang-SC-Bold;
    color: rgba(0, 0, 0, 1);
    text-align: center;
}

#container .container-left .head .text {
    font-size: 14px;
    font-family: PingFang-SC-Regular;
    color: #7D7D7D;
    margin-top: 5px;
    text-align: center;
}

#container .container-left .head .text span {
    margin: 0 20px;
}

#container .container-right .content ul.nav {
}

#container .container-right .content ul.nav li {
    height: 30px;
    line-height: 30px;
    font-size: 14px;
    font-family: PingFang-SC-Regular;
    color: rgba(126, 126, 126, 1);
    display: inline-block;
    background: rgba(214, 214, 214, 1);
    padding: 0 10px;
    margin-right: 10px;
    cursor: pointer;
}

#container .container-right .content ul li.active {
    background: #00029A;
    color: #fff;
}

#container .container-right .content .engine-bottom {

}

#container .container-right .content .engine-bottom > li {
    float: left;
    margin-right: 15px;
    border-bottom: 1px solid #C5C5C5;
    cursor: pointer;
    position: relative;
    padding: 20px 0;
}

#container .container-right .content .engine-bottom > li:nth-child(2),
#container .container-right .content .engine-bottom > li:nth-child(4),
#container .container-right .content .engine-bottom > li:nth-child(6) {
    margin-right: 0;
}

#container .container-right .content .engine-bottom > li > a > img {
    width: 195px;
    height: 116px;
}

#container .container-right .content .engine-bottom > li > a > div {
    width: 100%;

}

#container .container-right .content .engine-bottom > li > a > div > p:nth-child(1) {
    width: 100%;
    font-size: 9px;
    font-family: PingFang-SC-Regular;
    color: rgba(0, 0, 0, 1);
    margin: 5px 0;
}

#container .container-right .content .engine-bottom > li > a > div > p:nth-child(2) {
    font-family: PingFang-SC-Regular;
    color: #C5C5C5;
    font-size: 7px;
    font-family: PingFang-SC-Regular;
    color: #C5C5C5;
}

#container .container-right .content .engine-bottom > li > a > .right-arrow {
    float: right;
    position: absolute;
    right: 0;
    bottom: 20px;
    font-size: 10px;
    color: #C5C5C5;
    margin-right: 15px;
}