.top-bg {
    background-image: url('/static/images/column-top-bg1.jpg');
    height: 600px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: auto 100%;
}
.nav-bar {
    background: linear-gradient(90deg, #044F9F 50%, #fff 50%);
    box-shadow: 1px 1px 13px 0px rgba(0,0,0,0.1);
    position: relative;
    z-index: 9;
}
.nav-bar-line {
    width: 1500px;
    margin: 0 auto;
    background-color: #FFF;
    display: flex;
    justify-content: space-between;
}
.nav-bar-line .nav-title {
    border-left: 1px solid #FFF;
    font-weight: 400;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 28px;
    padding: 30px 70px;
    background-color: #044F9F;
}
.nav-bar-line .nav-children {
    display: flex;
}
.nav-bar-line .nav-children .nav-children-item {
    font-weight: 400;
    font-size: 18px;
    color: #232323;
    line-height: 88px;
    margin: 0 40px;
    height: 88px;
    display: block;
}
.nav-bar-line .nav-children .nav-children-item.active {
    color: #044F9F;
    height: 87px;
    border-bottom: 1px solid #044F9F;
}
.nav-bar-line .nav-children .nav-children-item:hover {
    color: #044F9F;
    height: 87px;
    border-bottom: 1px solid #044F9F;
}
.box4 {
    background-image: url('/static/images/columns-box9-bg.png');
    background-size: 100% 1200px;
    background-position: top;
    background-repeat: no-repeat;
}
.box4 .content-1500 {
    width: 1500px;
    margin: 0 auto;
    padding-top: 120px;
}
.box4 .title {
    font-weight: 500;
    font-size: 42px;
    color: #232323;
    line-height: 54px;
    padding-top: 90px;
}
.box4 .title-border {
    width: 52px;
    height: 8px;
    background: #044F9F;
    margin-top: 16px;
}
.box4 .child-links {
    display: flex;
}
.box4 .child-links .cc-btn {
    font-weight: 600;
    font-size: 30px;
    color: #979797;
    line-height: 42px;
    margin-right: 30px;
    display: block;
}
.box4 .child-links .cc-btn.active {
    color: #044F9F;
}
.box4 .child-links .cc-btn:hover {
    color: #044F9F;
}
.box4 .title-box {
    margin-top: 50px;
}
.box4 .title-box .article-bg {
    height: 550px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
.box4 .title-box .article-bg .article-bg-title {
    font-size: 48px;
    color: #FFFFFF;
    line-height: 60px;
    text-align: center;
    padding-top: 200px;
}
.box4 .title-box .article-titles {
    display: flex;
    margin-top: -60px;
}
.box4 .title-box .article-titles .article-title-item {
    font-weight: 600;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 60px;
    text-align: center;
    background: rgba(0,36,74,0.3);
    border-radius: 0px 0px 0px 0px;
    border: 1px solid rgba(255,255,255,0.4);
    flex: 1;
    display: block;
}
.box4 .title-box .article-titles .article-title-item:hover {
    background: #044F9F;
}
.box4 .title-box .article-titles .article-title-item.active {
    background: #044F9F;
}
.box4 .article-content-box {
    background-image: url('/static/images/content-bg1.png');
    background-size: 1436px 786px;
    background-repeat: no-repeat;
    background-position: center;
    min-height: 786px;
}
.box4 .content-icon {
    position: relative;
    top: 100px;
    left: 88px;
}
.box4 .content-icon img {
    width: 398px;
    height: 397px;
}
.box4 .article-content-contents {
    height: 780px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: -397px;
}
.box4 .article-content-content {
    text-align: center;
}
.article-content-center {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    flex-wrap: wrap;
}
.box4 .article-content-content .article-content-description {
    font-weight: 500;
    font-size: 36px;
    color: #044F9F;
    line-height: 60px;
    width: 100%;
}
.box4 .article-content-content .article-content-c {
    font-weight: 500;
    font-size: 24px;
    color: #232323;
    line-height: 3.8;
    margin-top: 160px;
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.lianxifangshi {
    height: 442px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.lianxifangshi .title {
    font-weight: 300;
    font-size: 48px;
    color: #FFFFFF;
    line-height: 60px;
    padding-top: 100px;
    text-align: center;
}
.lianxifangshi .subtitle {
    font-weight: 600;
    font-size: 48px;
    color: #FFFFFF;
    line-height: 60px;
    text-align: center;
    margin-top: 30px;
}

.hidden {
    display: none;
}