/* 关于我们开始 */
.AboutUs-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    width: 100%; /* 确保父容器全屏 */
}

.about-pic {
    background-image: url('../img/about-pic.jpg.webp');
    background-repeat: no-repeat;
    background-size: cover; /* 确保背景图片覆盖整个容器 */
    background-position: center;
    width: 100vw; /* 使用视口宽度，确保全屏 */
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 20px;
    box-sizing: border-box; /* 确保padding和border不会增加额外宽度 */
}

@media (max-width: 768px) {
    .about-pic {
        height: auto;
        min-height: 150px; /*确保移动端内容不足时 支撑图片高度，显示图片*/
    }
}

.about-main-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    margin-top: 60px;
}

.about-content {
    text-align: left;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    margin-bottom: 57px;
}

.about-content .about-content-title {
    font-size: 24px;
    margin-bottom: 27px;
}

.about-desc {
    color: #7a838e;
    margin-bottom: 55px;
}

.about-content-text {
    color: #87919e;
}

.image-gallery {
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.image-gallery .about-content-img {
    height: 230px;
    width: calc(33.333% - 10px);
    margin: 5px;
    object-fit: cover;
    border-radius: 10px;
}

@media (max-width: 768px) {
    .image-gallery {
        flex-direction: column;
    }

    .image-gallery .about-content-img {
        width: 100%;
        margin-bottom: 10px;
        height: auto;
        border-radius: 10px;
    }
}

/* main-body2 开始 */
:root {
    --content-width: min(1200px, 90%);
    --card-spacing: 50px;
    --dash-color: rgba(0, 102, 204, 0.3);
    --title-height: 2.5rem; /* 标题高度变量 */
}

.amb {
    background-color: #f6f6f6;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin: 5.875rem 0;
}

.about-main-body2 {
    width: var(--content-width);
    margin: 4rem auto;
    padding: 2rem 0;
}

.about-content-title2 {
    text-align: left;
    margin-bottom: 2rem;
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    color: #0056b3;
    width: 100%;
    padding: 0 1rem;
}

.about-content2 {
    display: flex;
    justify-content: center;
    position: relative;
    gap: var(--card-spacing); /* 使用gap控制间距 */
}

/* 垂直虚线优化 */
.vertical-line {
    position: absolute;
    height: 85%;
    top: 15%;
    border-left: 1.5px dashed var(--dash-color);
    transform: translateX(calc(var(--card-spacing)/-1.5)); /* 动态计算位置 */
}

.vertical-line:nth-child(2) {
    left: calc(33.33% + var(--card-spacing)/2);
}

.vertical-line:nth-child(4) {
    left: calc(66.66% + var(--card-spacing)/1.2);
}

.about-card {
    background: white;
    border-radius: 0.5rem;
    /*box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);*/
    transition: transform 0.3s ease;
    position: relative;
    width: calc(33.33% - var(--card-spacing)*2/3);
    overflow: hidden; /* 图片缩放 */
}

.about-card:hover {
    transform: translateY(-0.5rem);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 0.5rem 0.5rem 0 0;
    transition: transform 0.3s ease;
}

.about-card:hover .card-img {
    transform: scale(1.05);
}


.card-title {
    background-color: #0066cc;
    color: white;
    /*padding: 0.5rem; !* 减少内边距 *!*/
    margin: -1.2rem 0 0; /* 调整负边距 */
    border-radius: 2rem;
    text-align: center;
    width: 100%;
    font-size: clamp(1.1rem, 2vw, 1.15rem);
    position: relative;
    z-index: 1;
    min-height: var(--title-height);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-desc {
    padding: 2rem 1.5rem 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
}

.card-desc p:not(:last-child) {
    margin-bottom: 0.5rem;
}

@media (max-width: 1024px) {
    .about-content2 {
        flex-wrap: wrap;
        justify-content: space-around;
    }

    .about-card {
        width: calc(50% - var(--card-spacing)/2);
    }

    .vertical-line:nth-child(4) {
        display: none;
    }

    .vertical-line:nth-child(2) {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .about-content2 {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .about-card {
        width: 100%;
        max-width: 500px;
    }

    .vertical-line {
        display: none;
    }
}

@media (max-width: 480px) {
    .card-img {
        height: 150px;
    }

    .card-desc {
        padding: 1.5rem 1rem;
    }

    .card-title {
        margin-top: -1rem;
        min-height: 2rem;
    }
}
/* main-body2 结束 */

/* 公司介绍开始 */
.company-introduce {
    display: flex;
    justify-content: center;
    gap: 3.125rem;
    padding: 3.125rem 5%;
    width: 100%;
    max-width: 1200px;
    position: relative;
}

/* 文字区块 */
.text-section {
    flex: 1;
    max-width: 38.75rem;
    position: relative;
    top: 7rem;
}

.text-section .cp-title {
    font-size: 2.8125rem !important;
    line-height:2.2rem;
    font-weight: 700;
    margin-bottom: 0.625rem;
}

.text-section .cp-subtitle {
    font-size: 1rem;
    letter-spacing: 0.2em;
    font-weight: 600;
    display: block;
    margin-bottom: 4.375rem;
}

.text-section .cp-desc-blue {
    color: #2f81c0;
    font-size: 1.125rem;
    margin: 4.375rem 0 5.25rem;
    line-height: 1.6;
}

/* 图标区块 */
.icon-section {
    display: flex;
    justify-content: space-evenly;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin: 1.875rem auto 3rem;
    position: relative;
    width: 97%;
}

.icon-section .icon {
    flex: 0 1 5.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: max-content;
}

.icon-section img {
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: 0.625rem;
}

.icon-section span {
    font-size: 0.875rem;
    color: #666;
    white-space: nowrap;
}

/* 线条 */
.decorative-lines {
    display: flex;
    width: 100%;
    margin: 30px auto;
    position: relative;
    left: -2.5%;
}

.line-1 {
    flex: 0 0 40%;
    height: 3px;
    background: #63a37d;
    margin-right: -1px; /* 消除间隙 */
}

.line-2 {
    flex: 0 0 60%;
    height: 3px;
    background: #3d6e94;
}

/* 图片区块 */
.image-section {
    flex: 1;
    max-width: 31.25rem;
    margin-top: 2rem;
}

.image-section img {
    height: auto;
    max-height: 33.25rem;
    object-fit: contain;
}
/* 公司介绍结束 */

/* 公司概况开始 */
/*.company-overview {*/
/*    display: flex;*/
/*    justify-content: center;*/
/*    gap: 3.125rem;*/
/*    padding: 3.125rem 5%;*/
/*    width: 100%;*/
/*    max-width: 1200px;*/
/*    position: relative;*/
/*}*/
.co-bc{
    position: relative;
    width: 100%;
    /* 新增背景色扩展样式 */
}
.co-bc::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100%;
    background-color: #e0edf8;
    z-index: -1;
}
.company-overview {
    display: flex;
    flex-direction: column;
    gap: 0; /* 重置默认间隔 */
    padding: 2.5rem 5%; /* 40px */
    margin: 0 auto;
    width: 100%;
    max-width: 1200px;
}
.co-title {
    font-size: 2.8125rem !important;
    line-height:1.3rem;
    font-weight: 700;
    margin: 0 0 1.25rem !important;
}

.co-section {
    display: grid;
    /*grid-template-columns: repeat(2, 1fr);*/
    grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
    gap: 2rem;
    justify-content: center;
}

.co-piece {
    width: 100%;
    min-height: 300px;
    height: 300px;
    padding: 1.5rem;
    box-sizing: border-box;
    /*background: #fff;*/
    background: #e0edf8;
    overflow: hidden;
}
.op-content {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.co-subheading{
    font-size: 2rem;
    color:#3d6e94;
    margin: 0 0 0.9375rem !important;
}

.op-content .op-text {
    font-size:17px;
    line-height: 1.6;
}

.op-img {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.op-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}
/* 公司概况结束 */

/* 货运服务开始 */
/*.freight-service {*/
/*    display: flex;*/
/*    justify-content: center;*/
/*    gap: 3.125rem;*/
/*    padding: 3.125rem 5%;*/
/*    width: 100%;*/
/*    max-width: 1200px;*/
/*    position: relative;*/
/*}*/
.freight-service {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 3.125rem 5%;
    width: 100%;
    max-width: 1200px;
    position: relative;
}
.fs-company-name {
    font-size: 2.55rem !important;
    color: #3d6e94;
    line-height: 1.3;
    font-weight: 700;
    margin: 0 0 30px !important;
    white-space: nowrap;
    text-align: left;
    width: 100%;
}
.fs-desc {
    color: #2f81c0;
    font-size: 1.125rem;
    margin: 30px 0;
    line-height: 1.6;
    text-align: left;
    width: 100%;
}
.fs-solid {
    border-top: 2px solid #e6e9eb;
    width: 100%;
    margin: 20px 0;
}
.fs-remind {
    text-align: center;
    width: 100%;
    margin: 20px 0;
    font-size: 1.125rem;
    color: #333;
}
.services {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 50px;
    justify-content: flex-start;
    width: 100%;
}
.service-item {
    flex: 0 0 calc(25% - 37.5px);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: 10px 0;
}
.service-icon {
    width: 100px;
    height: 100px;
    background-color: #f1f1f1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}
.service-title{
    color: #2f81c0;
    font-size: 1rem;
}
/* 货运服务结束 */

/* 北美开始 */
.north-america {
    width: 92%;
    max-width: 75rem;
    margin: -1px auto 0;
    /*margin: 0 auto;*/
    background: white;
    position: relative;
    padding-bottom: 2rem;
}
/*.north-america {*/
/*    width: 100%;*/
/*    max-width: 1200px;*/
/*    position: relative;*/
/*    margin: 0 auto;*/
/*    background: white;*/
/*}*/
.na-img {
    position: relative;
    width: 100vw;
    left: 50%;
    transform: translateX(-50%);
    overflow: hidden;
    margin: 0;
    line-height: 0;
}
.na-img img {
    width: 100%;
    height: 35rem;
    /*object-fit: cover;*/
    display: block;
}
/*.na-banner {*/
/*    font-size: 18px;*/
/*    background: #1e3a7b;*/
/*    color: white;*/
/*    padding: 15px 20px;*/
/*    font-weight: bold;*/
/*    text-align: center;*/
/*}*/
.na-banner {
    position: relative;
    width: 100vw;
    left: 50%;
    transform: translateX(-50%);
    margin-top: -4px;
    font-size: 1.125rem;
    background: #1e3a7b;
    color: white;
    padding: 0.9375rem 1.25rem;
    font-weight: 700;
    text-align: center;
}
.na-title {
    text-align: center;
    color: #1e3a7b;
    padding: 20px;
    font-size: 24px;
}
.ports-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px;
}
.port-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.port-item {
    padding: 10px;
    border-bottom: 1px solid #e0e0e0;
}
.port-item span{
    font-size: 16px;
}

.port-item span:first-child {
    display: block;
    font-weight: bold;
    color: #2d3748;
    margin-bottom: 4px;
}
.port-item span:last-child {
    display: block;
    font-size: 0.9em;
    color: #666;
}
@media (max-width: 600px) {
    .ports-container {
        grid-template-columns: 1fr;
    }
}
/* 北美结束 */

/* 全球网络开始 */
.global-network {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 3.125rem 5%;
    width: 100%;
    max-width: 1200px;
    position: relative;
}
.gn-title {
    font-size: 2.55rem !important;
    line-height: 1.3;
    font-weight: 700;
}
.gn-desc {
    font-size: 1.125rem;
    margin: 30px 0;
    line-height: 1.6;
    text-align: left;
    width: 100%;
}
.gn-content-wrapper {
    display: flex;
    gap: 2rem;
    width: 100%;
    margin-top: 2rem;
}
.gn-img-map {
    flex: 1;
    min-width: 45%;
    height: 400px;
    position: relative;
}
.gn-img-map img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: left;
}
.gn-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.gn-subitem {
    margin-bottom: 5rem;
}
.gn-area-title {
    font-size: 1.55rem !important;
    color: #2f81c0;
    margin-bottom: 0.5rem;
}
.gn-area-desc {
    font-size: 1rem;
    line-height: 1.5;
    color: #666;
}
/* 全球网络结束 */

/* 关于我们结束 */