/*关于我们*/
body {
    background: #F3F4F7;
}
.section .section-header h2 {
    font-weight: bold;
    color: #CF252D;
}
/*banner*/
.about-banner {
    height: 460px;
    background-repeat: no-repeat;
    background-position: center top;
    background-image: url('/static/index/img/about/banner.jpg');
    background-size: auto 100%;
}
.about-banner .main-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding-bottom: 50px;
}
.about-banner .banner-title {
    margin-bottom: 20px;
    font-size: 40px;
    color: #fff;
    text-align: center;
    text-shadow: 0 2px 2px rgba(0,0,0,.6);
}
.about-banner .banner-desc {
    font-size: 24px;
    color: #fff;
    text-align: center;
}
/*公司简介*/
.company-section {
    background: #fff;
}
.company-section .main-container {
    position: relative;
}
.company-section .main-container .icon-triangle {
    position: absolute;
    z-index: 1;
}
.company-section .main-container .icon-triangle1{
    top: 89px;
    left: -23.5%;
}
.company-section .main-container .icon-triangle2{
    top: 87px;
    right: -18.3%;
}
.company-section .main-container .icon-triangle3{
    top: 216px;
    left: 58%
}
.stats-container {
    display: flex;
    justify-content: space-around;
    position: relative;
    z-index: 2;
    padding: 90px 0;
}
.stats-container .stat-item {
    text-align: center;
    padding: 0 15px;
}
.stats-container .stat-number {
    font-size: 58px;
    font-weight: bold;
    line-height: 1.4;
    color: #CF252D;
    display: flex;
    align-items: baseline;
    justify-content: center;
}
.stats-container .stat-unit {
    font-size: 24px;
    margin-left: 5px;
}
.stats-container .stat-label {
    font-size: 18px;
    color: #666;
}
.company-info {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 85px;
    padding-bottom: 70px;
}
.company-info .info {
    display: flex;
    flex-direction: column;
    padding: 30px 0 10px;
}
.company-info .name {
    margin-bottom: 15px;
    font-size: 30px;
    font-weight: bold;
    color: #1D222A;
}
.company-info .slogan{
    flex: 1;
    font-size: 20px;
    color: #666;
}
.company-info .info .img {
    display: none;
}
.company-info .desc {
    margin-top: 20px;
    font-size: 14px;
    color: #666;
}
.company-info .img {
    position: relative;
    flex-shrink: 0;
    width: 576px;
    height: 420px;
    border-radius: 12px;
    overflow: hidden;
}
.company-info .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.company-info .img .address {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 17px 0;
    font-size: 18px;
    color: #fff;
    text-align: center;
    background: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,1));
}
/*服务保障区域*/
.service-section {
    background: #F7F7F7;
}
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-grid .item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    height: 156px;
    padding: 30px 25px 10px;
    background: #fff;
}
.service-grid .item .service-title {
    font-size: 24px;
    transition: all .4s;
}
.service-grid .item .service-desc {
    font-size: 16px;
    color: #333;
    text-align: center;
    transition: all .4s;
}
.service-grid .item:hover .service-title, .service-grid .item:hover .service-desc {
    color: #CF252D;
}
/* 公司愿景 */
.vision-section {
    background: #fff;
}
.vision-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.vision-grid .item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    position: relative;
    height: 460px;
    padding: 100px 40px;
    overflow: hidden;
    border-radius: 12px;
}
.vision-grid .item .vision-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    transition: all .4s;
}
.vision-grid .item:nth-child(1) .vision-bg {
    background-image: url('/static/index/img/about/vision-img1.jpg');
}
.vision-grid .item:nth-child(2) .vision-bg {
    background-image: url('/static/index/img/about/vision-img2.jpg');
}
.vision-grid .item:nth-child(3) .vision-bg {
    background-image: url('/static/index/img/about/vision-img3.jpg');
}
.vision-grid .item:nth-child(4) .vision-bg {
    background-image: url('/static/index/img/about/vision-img4.jpg');
}

.vision-grid .item .vision-title {
    position: relative;
    z-index: 2;
    font-size: 24px;
    font-weight: bold;
    color: #fff;
}
.vision-grid .item .vision-desc {
    position: relative;
    z-index: 2;
    font-size: 16px;
    color: #fff;
    text-align: center;
}
.service-grid .item, .vision-grid .item {
    transition: all .4s;
}
.vision-grid .item:hover .vision-bg {
    top: -15px;
    right: -15px;
    bottom: -15px;
    left: -15px;
}
.service-grid .item:hover, .vision-grid .item:hover {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transform: translateY(-10px)
}
@media (max-width: 1280px) {
    /*公司简介*/
    .company-section .main-container .icon-triangle1{
        top: 67px;
        left: -15%;
    }
    .company-section .main-container .icon-triangle2{
        top: 65px;
        right: -12%;
    }
    .company-section .main-container .icon-triangle3{
        top: 160px;
        left: 58%
    }
    .stats-container {
        padding: 70px 0;
    }
    .stats-container .stat-number {
        font-size: 50px;
    }
    .stats-container .stat-unit {
        font-size: 24px;
    }
    .stats-container .stat-label {
        font-size: 16px;
    }
    .company-info .info {
        padding: 20px 0 10px;
    }
    .company-info .slogan{
        font-size: 18px;
    }
    /* 公司愿景 */
    .vision-grid .item {
        height: 380px;
        padding: 70px 25px;
    }
}
/* 小屏幕（手机横屏/小平板） */
@media (max-width: 991px) {
    /*banner*/
    .about-banner {
        position: relative;
        height: auto;
        padding: 0;
        background: none;
    }
    .about-banner .bg {
        display: block;
        width: 100%;
    }
    .about-banner .main-container {
        padding-bottom: 0;
    }
    .about-banner .banner-content {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding-bottom: 35px
    }
    .about-banner .banner-title {
        margin-bottom: 10px;
        font-size: 24px;
    }
    .about-banner .banner-desc {
        font-size: 16px;
        text-shadow: 0px 2px 2px rgba(0,0,0,.6);
    }
    /*公司简介*/
    .company-section .main-container {
        padding: 0;
    }
    .company-section .main-container .icon-triangle {
        display: none;
    }
    .stats-container {
        padding: 25px 0;
        background: #F3F4F7;
    }
    .stats-container .stat-item {
        padding: 0 10px;
    }
    .stats-container .stat-number {
        font-size: 24px;
    }
    .stats-container .stat-unit {
        font-size: 12px;
        margin-left: 5px;
    }
    .stats-container .stat-label {
        font-size: 13px;
    }
    .company-info {
        flex-direction: column;
        padding: 0 18px;
    }
    .company-info .info {
        padding: 30px 0;
    }
    .company-info .info .img {
        display: block;
        width: 100%;
        height: auto;
    }
    .company-info .name {
        margin-bottom: 10px;
        font-size: 18px;
    }
    .company-info .slogan {
        margin-bottom: 15px;
        font-size: 15px;
    }
    .company-info .desc {
        margin-top: 20px;
        font-size: 14px;
        color: #666;
    }
    .company-info .img {
        display: none;
    }
    .company-info .img .address {
        padding: 12px 0;
        font-size: 16px;
    }
    /*服务保障区域*/
    .section .section-header {
        margin-bottom: 20px;
    }
    .section .section-header h2 {
        margin-bottom: 0;
        color: #333;
    }
    .service-grid {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .service-grid .item {
        align-items: flex-start;
        gap: 10px;
        height: auto;
        padding: 20px;
    }
    .service-grid .item .service-title {
        font-size: 18px;
    }
    .service-grid .item .service-desc {
        font-size: 16px;
        text-align: left;
    }
    /* 公司愿景 */
    .vision-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .vision-grid .item {
        justify-content: flex-start;
        height: 62vw;
        padding: 10vw 15px;
        border-radius: 6px;
    }
    .vision-grid .item .vision-title {
        font-size: 16px;
        margin-bottom: 6vw;
    }
    .vision-grid .item .vision-desc {
        font-size: 15px;
    }
    .service-grid .item, .vision-grid .item {
        transition: all .3s;
    }
    .service-grid .item:hover, .vision-grid .item:hover {
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        transform: translateY(-10px)
    }
}