header {
    width: 100%;
    height: 870px;
    background: url("../image/background1.png") center center;
}

.header-wrapper{
    background: rgba(63, 60, 114, 0.9);
    position: fixed;
    z-index: 100;
    width: 100%;
}
.about-header-main {
    width: 1200px;
    height: 70px;
    margin: auto;
    display: flex;
    display: -ms-flexbox;

}

.about-header-main .logo {
    width: 165px;
    height: 70px;
    background: #FFF;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 50px;
}

.logo-img {
    width: 123px;
    height: 46px;
}

.about-header-main-text {
    display: flex;
}

.about-header-main-text a {
    /* width: 94px; */
    display: flex;
    align-items: center;
    margin-right: 49px;
    position: relative;
    /* 为下划线定位做准备 */
    text-decoration: none;
}
.about-header-main-text a:hover{
    color: #FE8C24;
}
.about-header-main-text p {
    font-size: 20px;
    padding: 5px 0;
    font-weight: 500;
    color: white;
    line-height: 30px;
}

/* 下划线样式 - 默认隐藏 */
.about-header-main-text .underlines {
    position: absolute;
    left: 50%;
    bottom: 14px;
    width: 50%;
    height: 3px;
    transform: translateX(-50%);
    background-color: #FE8C24;
    display:none;
}

/* 激活状态的下划线 - 显示 */
.about-header-main-text a.active .underline {
    display: block;
}

/* 鼠标悬停效果 */
.about-header-main-text a:hover p {
    color: #FE8C24;
    cursor: pointer;
}
.underlines.active{
    display: block;
}
.about-header-content {
    width: 1200px;
    margin: auto;
    height: 800px;
    text-align: center;
    display: -ms-flexbox;
    display: flex;
    /*align-items: center;*/
    justify-content: center;
}
.about-header-content .layout{
    margin-top: 196px;
}
.about-header-content .layout p:first-child {
    font-weight: 500;
    font-size: 80px;
    color: #FFFFFF;
    line-height: 90px;
}


.about-header-content .layout p:nth-child(2) {
    font-weight: 500;
    font-size: 60px;
    color: #FFFFFF;
    line-height: 100px;
}
.dream{
    width: 440px;
    height: 63px;
    margin: auto;
    display: flex;
    display: -ms-flexbox;
    align-items: center;
    justify-content: center;
    background: url("../image/background2.png") center/cover no-repeat;

    font-weight: 400;
    font-size: 33px;
    color: #FFFFFF;
    line-height: 24px;
    margin-top: 30px;
}
.main{
    width: 100%;
    height: auto;
    background: #f8f9fc;
}
.about-us{
    width: 100%;
    height: 2473px;
}

.about-text{
    width: 100%;
    height: 447px;
    background: url("../image/background3.png") center/cover no-repeat  ;
}
.establish{
    width: 100%;
    height: 605px;
    background: url("../image/background4.png") center/cover no-repeat ;

}
.home-img{
    width: 100%;
    height: 604px;
    background: url("../image/background5.png") center/cover no-repeat ;

}
.advantage{
    width: 100%;
    height: 817px;
    background: #ffffff;
    padding: 30px 20px 20px 20px;
}

.service{
    width: 100%;
    height: 1563px;
    background: url("../image/background5.png") center/cover no-repeat;
}
.disclaimer{
    width: 100%;
    height: 1100px;
    background: #ffffff;
    padding-top: 144px;
}
.join{
    width: 100%;
    height: 670px;
    background: url("../image/background7.png") center/cover no-repeat;
    padding: 100px  20px 20px 20px;
}
.contact{
    width: 100%;
    height: 661px;
    background: #ffffff;
    padding: 100px  20px 20px 20px;
    margin-bottom: 100px;
}

#backToTop {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 48px;
    height: 48px;
    font-size: 20px;
    border: none;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.6);
    color: #fff;
    cursor: pointer;
    display: none; /* 默认隐藏 */
    z-index: 9999;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: opacity 0.3s, transform 0.3s;
    backdrop-filter: blur(4px);
}

#backToTop:hover {
    background-color: rgba(0, 0, 0, 0.85);
    transform: translateY(-4px);
    opacity: 1;
}
.about-text-content{
    width: 1200px;
    margin: auto;
    padding: 39px 20px 20px 20px;
}
p.back{
    font-weight: bold;
    font-size: 39px;
    color: rgba(0, 0, 0, 0.1);
    line-height: 19px;
    text-align: center;
}
.about-text-content .title{
    font-weight: 600;
    color: #094BAE;
    text-align: center;
    font-size: 46px;
    line-height: 96px;
    margin-top: -28px;
}
.paragraph{
    text-indent: 2em;
    margin: 0;
    font-weight: 400;
    font-size: 18px;
    color: #333333;
    line-height: 36px;
}

.establish-section {
    width: 1200px;
    margin: auto;
    padding: 141px 20px 80px 20px;
    color: #fff;
    text-align: center;
    font-family: "PingFang SC", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.establish-title {
    font-weight: bold;
    margin-bottom: 20px;
    font-size: 46px;
    color: #FFFFFF;
    line-height: 24px;
}

.establish-subtitle {
    margin-top: 46px;
    margin-bottom: 60px;
    font-weight: 500;
    font-size: 46px;
    color: #FFFFFF;
    line-height: 30px;
}

.establish-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    /*gap: 40px;*/
    /*margin-right: 20px;*/
}

.establish-card {
    color: #333;
    padding: 20px 35px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 212px;
    height: 151px;
    background: #FFFFFF;
    border-radius: 4px;
    position: relative;
    margin-right: 40px;
}
/* 每行最后一个不加右边距 */
.establish-card:nth-child(4n) {
    margin-right: 0;
}

.icon-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 10px;
    position: absolute;
    top: -30px;
    left: 76px;
}
.icon-placeholder:nth-child(1){
    background: url("../image/icon31.png" )center/cover no-repeat;
}
.icon-placeholder:nth-child(2){
    background: url("../image/icon32.png" )center/cover no-repeat;
}
.icon-placeholder:nth-child(3){
    background: url("../image/icon33.png" )center/cover no-repeat;
}
.icon-placeholder:nth-child(4){
    background: url("../image/icon34.png" )center/cover no-repeat;
}
.card-title {
    font-weight: bold;
    margin-bottom: 6px;
    font-size: 24px;
    color: #094BAE;
    line-height: 53px;
}

.card-desc {
    font-weight: 400;
    font-size: 18px;
    color: #333333;
    line-height: 24px;
}

.home-img-content{
    width: 1200px;
    margin: 0 auto;
    height: 604px;
    display: flex;
    display: -ms-flexbox;
    align-items: center;
    position: relative;
}
.img-frame{
    width: 804px;
    height: 497px;
    z-index: 2;
    background: url("../image/background8.png") center/cover no-repeat;
    position: absolute;
    top: 82px;
    left: 209px;
}
img.home-img-logo{
    width: 548px;
    height: 345px;
    margin-right: 106px;
    z-index:1
}
.img-frame-img{
    width: 596px;
    height: 375px;
    margin: 28px 107px 26px 106px;
}

.advantage-content{
    width: 1200px;
    margin: auto;
    padding: 20px;
}
.advantage-back{
    font-weight: bold;
    font-size: 39px;
    color: rgba(0, 0, 0, 0.1);
    line-height: 19px;
    text-align: center;
}
.advantage-title{
    font-weight: 600;
    color: #094BAE;
    text-align: center;
    font-size: 46px;
    line-height: 96px;
    margin-top: -25px;
}

.feature-container {
    width: 100%;
    max-width: 1080px;
    margin: 10px auto 0 auto;
    overflow: hidden; /* 清除 float */
}

.feature-item {
    padding: 40px 0;
    width: 32%;
    float: left;
    margin-right: 2%;
    box-sizing: border-box;
    text-align: center;
    border-right: 1px dashed rgba(122, 122, 132, 0.3);
    border-bottom: 1px dashed rgba(122, 122, 132, 0.3);
}
/* 去掉每行第3列的右边框 */
.feature-item:nth-child(3n) {
    border-right: none;
}

/* 去掉最后一行（4-6）的下边框 */
.feature-item:nth-child(n+4) {
    /* 这里假设总共6个 item */
    border-bottom: none;
}
.feature-item:nth-child(3n) {
    margin-right: 0;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: #0056cc;
    font-weight: bold;
    border-radius: 50%;
    margin: 0 auto 15px auto;
    font-size: 28px;
    color: #FFFFFF;
    line-height: 60px;
}

.feature-title {
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 24px;
    color: #094BAE;
    line-height: 24px;
}

.feature-desc {
    text-align: left;
    margin: auto;
    padding: 10px 0;
    font-weight: 400;
    font-size: 18px;
    color: #333333;
    line-height: 30px;
    width: 288px;
}
.service-content{
    width:1200px;
    margin: auto;
    box-sizing: border-box;
    padding-top: 106px;
}

p.service-back{
    font-weight: bold;
    font-size: 39px;
    color: rgba(0, 0, 0, 0.1);
    line-height: 19px;
    text-align: center;
}
.service-content .service-title{
    font-weight: 600;
    color: #094BAE;
    text-align: center;
    font-size: 46px;
    line-height: 96px;
    margin-top: -25px;
}

.service-subheading{
    font-weight: bold;
    font-size: 24px;
    color: #333333;
    line-height: 19px;
    text-align: center;
    margin: 39px auto 24px auto;
}
.service-subheading-detail{
    font-weight: 400;
    font-size: 18px;
    color: #333333;
    line-height: 36px;
    text-indent: 2em;
}
.service-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px; /* 若不支持 IE10，用 margin-right + nth-child 清除 */
    width: 100%;
    max-width: 1200px;
    margin: 40px auto 65px auto;
    box-sizing: border-box;
}

.service-container-item {
    width: 280px;
    height: 262px;
    background: #FFFFFF;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-sizing: border-box;
}

.service-container-item p {
    font-weight: 500;
    font-size: 24px;
    color: #333333;
    line-height: 30px;
    padding: 0 10px;
    min-height: 60px; /* 保证两行也对齐 */
    margin: 0;
}

.service-icon {
    width: 80px;
    height: 84px;
    margin-bottom: 21px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.icon1 {
    background-image: url("../image/zheng.png");
}

.icon2 {
    background-image: url("../image/bang.png");
}

.icon3 {
    background-image: url("../image/tui.png");
}

.icon4 {
    background-image: url("../image/you.png");
}


.feature-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin: 30px auto 60px auto;
}

.feature-block {
    position: relative;
    width: 580px;
    height: 150px;
    background: #094BAE;
    border-radius: 4px;
    opacity: 0.63;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    overflow: hidden;
    margin: 10px auto 10px auto;

}

.feature-block p {
    font-weight: 400;
    font-size: 31px;
    color: #FFFFFF;
    line-height: 36px;
    margin: 0;
    z-index: 2;
}

.feature-block .icon5,
.feature-block .icon6,
.feature-block .icon7,
.feature-block .icon8 {
    position: absolute;
    width: 110px;
    height: 110px;
    bottom: -5px;
    left: -5px;
    background-size: cover;
    background-repeat: no-repeat;
    z-index: 1;
}

/* 替换为你自己的图标地址 */
.icon5 {
    background-image: url("../image/icon36.png");
}
.icon6 {
    background-image: url("../image/icon38.png");
}
.icon7 {
    background-image: url("../image/icon35.png");
}
.icon8 {
    background-image: url("../image/icon37.png");
}


/* 容器：控制整体居中 */
.container {
    width: 100%;
    padding: 50px 20px; /* 上下 padding + 左右留白 */
}

/* 行容器：限制最大宽度并居中 */
.rects-row {
    width: calc(5 * 208px + 4 * 13px); /* 5个div宽度 + 4个间距 */
    margin: 0 auto; /* 水平居中 */
    overflow: hidden; /* 清除浮动 */
}

/* 矩形div样式 */
.rect-item {
    float: left;
    width: 208px;
    height: 222px;
    margin-right: 13px;
    border-radius: 4px;
    padding: 44px 10px 30px 15px;
    text-align: center;
    background: url("../image/lozenge.png") center/cover no-repeat;
}

.rect-item:last-child {
    margin-right: 0;
}

.rect-number {
    margin-bottom: 12px;
    position: relative;
    font-weight: 500;
    font-size: 30px;
    color: #094BAE;
    line-height: 40px;
}

.rect-number::after {
    content: "";
    display: block;
    width: 40px;
    height: 2px;
    background: #094BAE;
    margin: 8px auto 0;
}

.rect-text {
    margin-top: 15px;
    font-weight: bold;
    font-size: 16px;
    color: #333333;
    line-height: 24px;
}



p.contact-back{
    font-weight: bold;
    font-size: 39px;
    color: rgba(0, 0, 0, 0.1);
    line-height: 19px;
    text-align: center;
}
.contact .contact-title{
    font-weight: 600;
    color: #094BAE;
    text-align: center;
    font-size: 46px;
    line-height: 96px;
    margin-top: -28px;
}


.disclaimer-header{
    display: -ms-flexbox;
    display: flex;
    align-items:center;
    justify-content:center;
    margin-bottom: 16px;
}
.disclaimer-header .disclaimer-icon{
    width: 13px;
    height: 13px;
    background: url("../image/icon24.png") no-repeat 100% 100%;
}
.disclaimer-header span{
    margin: 0 10px;
    font-weight: 500;
    font-size: 24px;
    color: #094BAE;
    line-height: 36px;
}

/* 总容器 */
.disclaimer-container {
    display: flex;
    width: 1200px;
    margin: 106px auto 0 auto;
    height: 600px;
    /*border: 1px solid #ddd;*/
    box-sizing: border-box;
    /*padding: 20px;*/
    position: relative;
}

/* 左侧区域 */
.disclaimer-left {
    width: 605px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    background: url('../image/background9.png') center/cover no-repeat;
    padding-right: 0;
}

/* 单个选项 */
.nav-block {
    width: 188px;
    height: 180px;
    margin-bottom: 10px; /* 间距控制 */
    background-color: rgba(118, 166, 236, 0.8);
    border-radius: 6px;
    cursor: pointer;
    box-sizing: border-box;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    transition: background-color 0.3s ease, color 0.3s ease, height 0.3s ease, margin 0.3s ease;
    overflow: hidden;
    user-select: none;
}

/* 去掉最后一个选项的间距 */
.nav-block:last-child {
    margin-bottom: 0;
}

/* 两行文本样式 */
.nav-block span {
    font-weight: 400;
    font-size: 24px;
    color: #FFFFFF;
    line-height: 28px;
    display: block;
    text-align: center;
}

/* 第一行加白色下划线 */
.nav-block span:first-child {
    border-bottom: 2px solid #fff;
    padding-bottom: 8px;
    margin-bottom: 6px;
    display: inline-block;
}

/* 悬浮或激活状态：拉长并取消间距 */
.nav-block:hover,
.nav-block.active {
    background-color: rgba(9, 75, 174, 0.9);
    width: 220px;
    color: #fff;
    height: 220px;       /* 高度变大 */
    margin-bottom: 0;    /* 和下一个紧贴 */
    box-shadow: 0 0 8px rgba(9, 75, 174, 0.5);
}

/* 右侧内容区域 */
.disclaimer-right {
    flex: 1;
    padding: 15px 30px 30px 30px;
    box-sizing: border-box;
    display: none; /* 默认隐藏 */
}

.disclaimer-right.active {
    display: block;
}

.disclaimer-right h2 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.disclaimer-right p {
    line-height: 27px;
    color: #555;
    font-size: 16px;
    margin-top: 17px;
}


p.disclaimer-back{
    font-weight: bold;
    font-size: 39px;
    color: rgba(0, 0, 0, 0.1);
    line-height: 19px;
    text-align: center;
}
.disclaimer .disclaimer-title{
    font-weight: 600;
    color: #094BAE;
    text-align: center;
    font-size: 46px;
    line-height: 96px;
    margin-top: -28px;
}

p.join-back{
    font-weight: bold;
    font-size: 39px;
    color: rgba(0, 0, 0, 0.1);
    line-height: 19px;
    text-align: center;
}
.join .join-title{
    font-weight: 600;
    color: #094BAE;
    text-align: center;
    font-size: 46px;
    line-height: 96px;
    margin-top: -28px;
}



/* 容器布局 */
.contact-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 40px auto 0 auto;
    box-sizing: border-box;
    padding: 0 20px;
}

/* 单个业务项样式 */
.contact-item {
    flex: 0 0 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    /*background-color: #fff; !* 可以加个白底增加层次感 *!*/
    margin: 20px 80px;

    box-sizing: border-box;
    border-radius: 8px;
    /*box-shadow: 0 2px 6px rgba(0,0,0,0.1);*/
    /*transition: box-shadow 0.3s ease;*/
}
.contact-item:hover {
    /*box-shadow: 0 6px 12px rgba(0,0,0,0.15);*/
}

/* 图标容器 */
.contact-icon-box {
    width: 212px;
    height: 212px;
    /*border: 1px dashed #4688d2;*/
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 16px; /* 图标和文字间距 */
    box-sizing: border-box;
}
.contact-icon1{
    background: url("../image/icon40.png") center/cover no-repeat;
}
.contact-icon2{
    background: url("../image/icon41.png") center/cover no-repeat;
}

/* 标题 */
.title {
    font-size: 24px;
    color: #333;
    margin-bottom: 8px;
    font-weight: 600;
}

/* 描述 */
.desc {
    font-size: 18px;
    color: #666;
    margin-bottom: 12px;
    line-height: 1.5;
    white-space: pre-line; /* 支持换行符 */
}

/* 联系方式 */
.contact-info a{
    font-size: 18px;
    color: #094BAE;
    font-weight: 500;
    text-decoration: none;
}





.job-container {
    display: -ms-flexbox; /* IE10 */
    display: flex;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    width: 1200px;
    margin: 20px auto;
}

/* 每个岗位卡片 */
.job-card {
    width: 370px;
    border: 1px solid #094BAE;
    border-radius: 8px;
    padding: 20px 20px 25px;
    margin-bottom: 30px;
    background-color: #fff;
    -webkit-box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}
.job-card:hover {
    -webkit-box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

/* 岗位标题 */
.job-title {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    color: #094BAE;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 12px;
}
.job-title-icon {
    width: 28px;
    height: 28px;
    margin-right: 10px;
    background: url("../image/icon39.png") center center no-repeat;
    background-size: cover;
    -ms-flex-negative: 0;
    flex-shrink: 0;
}

/* 职责小标题 */
.duty {
    width: 136px;
    height: 39px;
    padding: 0 20px;
    background: url("../image/background10.png") center center no-repeat;
    background-size: contain;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: start;
    justify-content: flex-start;
    margin: 10px 0 0 -20px;
}

.duty span {
    color: #fff; /* 白色文字 */
    font-size: 18px;
    font-weight: 500;
}

/* 职责内容 */
.position-responsibilities {
    padding: 10px 0 0;
}
.responsibility-item {
    list-style: none;
    font-size: 18px;
    color: #333;
    line-height: 25px;
    font-weight: 400;
    margin-bottom: 8px;
    text-indent: 2em;
}

/* 职责内容 */
.position-responsibilities {
    padding: 10px 0 0;
}
.responsibility-item {
    list-style-type: none;
    font-size: 18px;
    color: #333;
    line-height: 25px;
    font-weight: 400;
    margin-bottom: 8px;
    text-indent: 2em;
}