.project_main {
    width: 100%;
    position: relative;
}

.one_main {
    width: 1284px;
    height: 140px;
    overflow: hidden;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.one_main a {
    display: block;
    font-size: 16px;
    cursor: pointer;
    font-weight: 400;
    line-height: 36px;
    color: rgba(0, 34, 70, 1);
    opacity: 1;
    height: 36px;
    width: 290px;
}

/* .one_main a:hover {
    color: #22ADFF;
} */

.one_main .show {
    color: #22ADFF;
}

.one_main .active-show {
    color: #22ADFF;
}

.one_main span:nth-child(1) {
    display: inline-block;
    width: 16px;
    height: 16.8px;
}

.one_main span:nth-child(2) {
    margin-left: 10px;
}

.project_title {
    width: 1284px;
    margin: 60px auto 0;
    display: flex;
    justify-content: center;
    background: #fff;
}

.project_title .title_main {
    display: flex;
    align-items: center;
    background: #fff;
}

.project_title .title_main .left {
    display: flex;
    align-items: center;
}

.project_title .title_main .left .triangle {
    width: 0;
    height: 0;
    border: 9px solid;
    border-color: transparent #002033 transparent transparent;
}

.project_title .title_main .left .circular_one {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 1);
    border-radius: 50%;
    margin-left: 8px;
}

.project_title .title_main .left .circular_two {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 0.6);
    border-radius: 50%;
    margin-left: 8px;
}

.project_title .title_main .left .circular_three {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 0.3);
    border-radius: 50%;
    margin-left: 8px;
}

.project_title .title_main .text {
    font-size: 25px;
    font-weight: bold;
    line-height: 43px;
    color: rgba(0, 0, 0, 1);
    opacity: 1;
    padding: 0 15px;
}

.project_title .title_main .right {
    display: flex;
    align-items: center;
}

.project_title .title_main .right .triangle {
    width: 0;
    height: 0;
    border: 9px solid;
    border-color: transparent transparent transparent #002033;
}

.project_title .title_main .right .circular_one {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 1);
    border-radius: 50%;
    margin-right: 8px;
}

.project_title .title_main .right .circular_two {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 0.6);
    border-radius: 50%;
    margin-right: 8px;
}

.project_title .title_main .right .circular_three {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 0.3);
    border-radius: 50%;
    margin-right: 8px;
}

.title_text {
    width: 1284px;
    margin: 54px auto 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 39px;
    color: rgba(0, 34, 70, 1);
}

.project_two {
    width: 1284px;
    margin: 20px auto 0;
    overflow: hidden;
    padding-bottom: 193px;
    display: flex;
    flex-wrap: wrap;
}

.prj-big {
    margin-left: 20px;
    margin-top: 46px;
    cursor: pointer;
    width: 414px;
    display: block;
    transition: all .3s ease;
    box-shadow: 0px 3px 22px rgba(0, 0, 0, 0.08);
}

.prj-big:hover {
    box-shadow: 0 5px 35px 0 rgba(0, 0, 0, 0.1);
}

.prj-big:hover .img_box img {
    transform: scale(1.1)
}

.img_box img {
    transition: transform 0.5s;
}

.prj-big:nth-child(1),
.prj-big:nth-child(2),
.prj-big:nth-child(3) {
    margin-top: 0px;
}

.prj-big:nth-child(3n + 1) {
    margin-left: 0px;
}

.img_box {
    width: 100%;
    height: 380px;
    overflow: hidden;
}

.text_box {
    padding: 20px 25px;
    width: 100%;
    box-sizing: border-box;
    height: 260px;
    overflow: hidden;
}

.text_box .iconfont {
    margin-right: 15px;
}

.text_box h2 {
    font-size: 20px;
    font-weight: bold;
    line-height: 26px;
    color: rgba(0, 60, 123, 1);
}

.text_box p {
    font-size: 14px;
    font-weight: 400;
    line-height: 30px;
    color: rgba(0, 34, 70, 1);
}