* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

@font-face {
    font-family: 'arial';
    src: url('../font/arial.ttf');
}

ul {
    list-style: none;
}

header {
    position: relative;
}

.main {
    position: relative;
    width: 1200px;
    margin: 0 auto;
}

.banner {
    width: 100%;
}

.banner img {
    width: 100%;
}

header nav {
    position: absolute;
    padding: 20px 0;
}

.bg,
.bg img {
    width: 100%;
}

.cont {
    /* position: absolute; */
    width: 100%;
}

.gsjj .title {
    display: flex;
    justify-content: center;
    align-items: center;
}

.gsjj .title .title_text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 50px;
    padding: 35px 0;
}

.gsjj .title .title_text h2 {
    font-size: 30px;
}

.gsjj .title .title_text p {
    color: #5c8498;
    word-spacing: 10px;
    font-size: 16px;
    text-transform: uppercase;
    margin-top: 5px;
}

.gsjj .box {
    display: flex;
    width: 845px;
    margin: 0 auto;
}

.gsjj .box .right {
    font-size: 18px;
    line-height: 40px;
    margin-left: 90px;
    text-indent: 2em;
}

.boxs {
    display: flex;
}

.boxs .left {
    width: 51%;
}

.boxs .left .col {
    display: flex;
    flex-direction: column;
    align-items: end;
}

.boxs .right .col {
    align-items: start;
}

.boxs .left .year {
    display: flex;
    align-items: center;
    font-size: 30px;
    color: #5c8498;
    height: 70px;
}

.boxs .right {
    width: 49%;
}

.icon_cont {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    margin: 0 20px;
    overflow: hidden;
}

.icon_cont::after {
    content: '';
    position: absolute;
    left: 8px;
    width: 1px;
    height: 50%;
    background-color: #5c8498;
    bottom: -31%;
}

.boxs .text {
    line-height: 2.4;
    font-size: 18px;
    color: #12191d;
    text-indent: 2em;
    height: 168px;
}

.iconn_conts {
    padding-top: 13px;
    margin: 0 20px;
}

.ico_img {
    display: flex;
    align-items: center;
    height: 238px;
}

.box1 .list {
    display: flex;
    flex-wrap: wrap;
    margin-top: 20px;
}

.box1 .list li {
    display: flex;
    width: calc(50% - 20px);
}

.box1 .list li .text {
    margin-top: 20px;
    margin-left: -20px;
    color: #12191d;
    font-size: 18px;
    line-height: 1.7;
}

.box1 .list li:nth-child(odd) {
    margin-right: 20px;
}

.box1 .list li:nth-child(even) {
    margin-left: 20px;
}

.tit_url,
.tit_url a {
    text-align: center;
    color: #5c8498;
    font-size: 30px;
}

.box1 .row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 40px;
}

.box1 .row .col {
    width: 48%;
    background-color: #f7f7f7;
    border: 2px solid #d5dfe4;
    padding: 40px 36px;
}

.box1 .row .col .top {
    display: flex;
    align-items: flex-end;
}

.box1 .row .col .top h3 {
    font-size: 30px;
    margin-left: 25px;
    color: #12191d;
}

.box1 .row .col p {
    font-size: 18px;
    color: #12191d;
    line-height: 1.7;
    margin-top: 15px;
    text-indent: 2em;
}

footer {
    padding: 30px 0;
    background-color: #eeeeee;
    width: 100%;
    text-align: center;
}

footer p {
    margin: 10px;
}

.min {
    display: none;
}

.min .left {
    width: 80%;
    margin: 0 auto;
}

.min .left .col {
    align-items: center;
}

.min .left .col .ico_img,
.min .text {
    height: auto;
}

.min .text {
    line-height: 1.7;
}

.min .left .col .ico_img {
    margin-bottom: 30px;
    margin-top: 10px;
}

@media screen and (max-width:1200px) {
    .main {
        width: 95%;
    }
}

@media screen and (max-width:1030px) {
    .max {
        display: none;
    }
    .min {
        display: block;
    }
}

@media screen and (max-width:950px) {
    .box_1 {
        flex-direction: column;
        align-items: center;
    }
    .gsjj .box .right {
        margin: 0;
        margin-top: 10px;
    }
    .banner img {
        width: 150%;
        margin-left: 80px;
    }
    .banner {
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .gsjj .box {
        width: 95%;
    }
}

@media screen and (max-width:700px) {
    .box1 .list {
        justify-content: center;
        margin: 0;
    }
    .box1 .list li {
        width: 80%;
        margin: 15px 0;
    }
    .box1 .list li:nth-child(even) {
        margin-left: 0;
    }
    .box1 .list li:nth-child(odd) {
        margin-right: 0;
    }
    .box1 .row {
        flex-wrap: wrap;
        justify-content: center;
    }
    .box1 .row .col {
        width: 95%;
        margin-bottom: 10px;
    }
    header nav {
        padding: 5px 0;
    }
}

@media screen and (max-width:650px) {
    .banner img {
        width: 240%;
        margin-left: 100px;
    }
    .gsjj .title .title_text h2 {
        font-size: 22px;
    }
    .gsjj .title .title_text p {
        font-size: 14px;
    }
    .gsjj .title .title_text {
        margin: 0 20px;
    }
    .tit_url {
        font-size: 22px;
    }
    .gsjj .box .right {
        font-size: 14px;
        line-height: 25px;
    }
    .boxs .text {
        font-size: 14px;
    }
    .box1 .list li .text {
        line-height: 1.4;
        font-size: 14px;
    }
    .box1 .row .col p {
        font-size: 14px;
    }
}

@media screen and (max-width:450px) {
    .logo {
        width: 160px;
    }
    .logo img {
        width: 100%;
    }
}