/**
 * about styles
 **/
.crumb {
    display: flex; /* 左右分栏 */
    justify-content: space-between; /* 左右两端对齐 */
}
/* 右侧版块导航样式 */
.crumb-right {
    display: flex;
    gap: 20px; /* 导航项间距 */
}

.crumb-right a {
    color: #666;
    text-decoration: none;
    padding: 3px 0;
    border-bottom: 2px solid transparent; /* 下划线占位 */
    transition: all 0.2s;
}
.crumb-right a:hover,
.crumb-right a.active { /* 可添加active类用于当前页高亮 */
    color: #0C5BE2;
    border-bottom-color: #0C5BE2; /* 下划线高亮 */
}
/* 响应式适配（小屏幕堆叠显示） */
@media screen and (max-width: 1000px) {
    .crumb {
        width: 90%;
        flex-direction: column; /* 垂直堆叠 */
        align-items: flex-start; /* 左对齐 */
        gap: 10px;
    }
    
    .crumb-right {
        width: 100%;
        justify-content: flex-start; /* 左对齐 */
    }
}

.company{
    width: 100%;
    margin: 60px auto;
    max-width: 1200px;
}
.company .company-left{
    width: calc((100% - 1200px) / 2 + 504px);
    float: left;
    position: relative;
}

.company .company-left .company-bg{
    width: calc(100% - 252px);
    height: 544px;
    background-color: #0C5BE2;
    border-radius: 0;
    float: left;
}

.company .company-left .media-container{
    width: 504px;
    height: 504px;
    float: left;
    margin-left: -252px;
    margin-top: 20px;
    position: relative;
    z-index: 10;
}

/* 封面图容器：强化隐藏样式 */
#coverContainer {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 20;
    cursor: pointer;
    transition: all 0.3s; /* 平滑隐藏过渡 */
}

#coverContainer.hidden {
    display: none !important; /* 强制隐藏，优先级最高 */
    z-index: 0 !important; /* 层级压到最低 */
}

.company .company-left .company-img img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

/* 视频：强制层级和显示 */
#companyVideo {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 50%;
    object-fit: cover;
    z-index: 30 !important; /* 强制最高层级，!important确保生效 */
    border: none;
}
.company .company-right{
    width: calc((100% - 1200px) / 2 + 670px);
    float: right;
}
.company .company-right .title{
    text-align: left;
    margin-top: 20px;
}
.company .company-right .company-name{
    font-weight: bold;
    font-size: 20px;
    color: #000000;
    line-height: 22px;
    margin-top: 0px;
}
.company .company-right .company-description{
    font-size: 14px;
    color: #333333;
    line-height: 21px;
    margin-top: 20px;
}
.company .company-right .more{
    float: none;
    width: 160px;
    margin-top: 60px;
    margin-right: 320px;
}


.company .company-engineering{
    width: 670px;
    height: 120px;
    background-color: #0C5BE2;
    border-radius: 60px 0 0 60px;
    margin-top: 150px;
}
.company .company-engineering .company-engineering-item{
    width: 220px;
    height: 100%;
    float: left;
    position: relative;
}
.company .company-engineering .company-engineering-item .company-engineering-item-num{
    font-family: DIN, DIN;
    font-weight: bold;
    font-size: 46px;
    color: #FFFFFF;
    line-height: 56px;
    margin-top: 19px;
    text-align: center;
}
.company .company-engineering .company-engineering-item .company-engineering-item-num .company-engineering-item-num-unit{
    font-weight: 400;
}
.company .company-engineering .company-engineering-item .company-engineering-item-name{
    font-size: 14px;
    color: #FFFFFF;
    line-height: 16px;
    text-align: center;
    margin-top: 10px;
}



.content .anchor{
    height: 100px;
    margin-top: -100px;
    visibility: hidden;
}

.content .factory-style{
    max-width: 1200px;
    margin: 50px auto;
}
.content .factory-style .factory-style-list{
    margin: 60px auto;
    display: flex;
    flex-wrap: wrap;
}
.content .factory-style .factory-style-list .factory-style-item{
    width: 32%;
    margin-right: 2%;
    margin-bottom: 20px;
    cursor: pointer;
}
.content .factory-style .factory-style-list .factory-style-item:nth-child(3n){
    margin-right: 0;
}
.content .factory-style .factory-style-list .factory-style-item .factory-style-item-img{
    width: 100%;
    overflow: hidden;
}
.content .factory-style .factory-style-list .factory-style-item .factory-style-item-img img{
    width: 100%;
    transition: all 0.5s;
}
.content .factory-style .factory-style-list .factory-style-item .factory-style-item-title{
    font-weight: bold;
    font-size: 16px;
    color: #262626;
    line-height: 27px;
    text-align: center;
    margin-top: 10px;
}
.content .factory-style .factory-style-list .factory-style-item:hover .factory-style-item-img img{
    transform: scale(1.1);
}
.content .factory-style .factory-style-list .factory-style-item:hover .factory-style-item-title{
    color: #0C5BE2;
}


.content .cert{
    max-width: 1200px;
    margin: 50px auto;
}
.content .cert .cert-list{
    margin-top: 60px;
    display: flex;
    flex-wrap: wrap;
}
.content .cert .cert-list ul{

}
.content .cert .cert-list .cert-item{
    width: 24%;
    margin-right: 1.33%;
    margin-bottom: 20px;
    cursor: pointer;
}
.content .cert .cert-list .cert-item:nth-child(4n){
    margin-right: 0;
}
.content .cert .cert-list .cert-item .cert-item-img{
    width: 100%;
    overflow: hidden;
}
.content .cert .cert-list .cert-item .cert-item-img img{
    width: 100%;
    transition: all 0.5s;
}
.content .cert .cert-list .cert-item .cert-item-title{
    font-weight: bold;
    font-size: 16px;
    color: #262626;
    line-height: 27px;
    text-align: center;
    margin-top: 10px;
}
.content .cert .cert-list .cert-item:hover .cert-item-img img{
    transform: scale(1.1);
}
.content .cert .cert-list .cert-item:hover .cert-item-title{
    color: #0C5BE2;
}

.content .partner .partner-list{
    max-width: 1200px;
    margin: 50px auto;
    display: flex;
    margin-top: 40px;
    flex-wrap: wrap;
}
.content .partner .partner-list .partner-item{
    width: 25%;
    aspect-ratio: 300 / 214;
    border: 1px solid #E6E6E6;
    margin-top: -1px;
    margin-left: -1px;
    cursor: pointer;
    overflow: hidden;
}
.content .partner .partner-list .partner-item img{
    width: 100%;
    height: 100%;
    transition: all 0.5s ease;
}
.content .partner .partner-list .partner-item:hover img{
    transform: scale(1.1);
}