/****/
/* * about styles*/
/* **/
/*.about-content{*/
/*    width: 1400px;*/
/*    margin: 80px auto;*/
/*    font-size: 16px;*/
/*    color: #333333;*/
/*}*/
/*.about-content .about-introduction{*/
/*    font-size: 16px;*/
/*    margin-top: 30px;*/
/*    text-align: center;*/
/*}*/
/*.about-content .about-introduction-img{*/
/*    width: 100%;*/
/*    margin-top: 30px;*/
/*}*/
/*.about-content .about-introduction-img img{*/
/*    width: 100%;*/
/*}*/


/*@media only screen and (min-width: 1000px) and (max-width: 1440px) {*/
/*    .about-content{*/
/*        width: 900px;*/
/*        margin: 60px auto;*/
/*    }*/
/*    .about-content .about-introduction{*/
/*        font-size: 14px;*/
/*        margin-top: 20px;*/
/*    }*/
/*    .about-content .about-introduction-img{*/
/*        margin-top: 20px;*/
/*    }*/
/*}*/
/*@media only screen and (max-width: 1000px) {*/
/*    .about-content{*/
/*        width: 700px;*/
/*        margin: 40px auto;*/
/*    }*/
/*    .about-content .about-introduction{*/
/*        font-size: 12px;*/
/*        margin-top: 10px;*/
/*    }*/
/*    .about-content .about-introduction-img{*/
/*        margin-top: 10px;*/
/*    }*/
/*}*/

/*.about-do{*/
/*    width: 1400px;*/
/*    margin: 80px auto;*/
/*    display: flex;*/
/*    justify-content: space-between;*/
/*}*/
/*.about-do .about-do-desc{*/
/*    width: 70%;*/
/*    font-size: 16px;*/
/*}*/


/*@media only screen and (min-width: 1000px) and (max-width: 1440px) {*/
/*    .about-do{*/
/*        width: 900px;*/
/*        margin: 60px auto;*/
/*    }*/
/*    .about-do .about-do-desc{*/
/*        font-size: 14px;*/
/*    }*/
/*}*/
/*@media only screen and (max-width: 1000px) {*/
/*    .about-do{*/
/*        width: 700px;*/
/*        margin: 40px auto;*/
/*    }*/
/*    .about-do .about-do-desc{*/
/*        font-size: 12px;*/
/*    }*/
/*}*/

/*.serve-wrap{*/
/*    width: 100%;*/
/*    margin: 80px auto 0;*/
/*    background-repeat: no-repeat;*/
/*    background-position: center center;*/
/*    position: relative;*/
/*}*/
/*.serve-wrap::after{*/
/*    content:'';*/
/*    background-color: rgba(0, 0, 0, 0.2);*/
/*    position: absolute;*/
/*    width: 100%;*/
/*    height: 100%;*/
/*    top: 0;*/
/*    left: 0;*/
/*}*/
/*.serve{*/
/*    width: 1400px;*/
/*    margin: 0 auto;*/
/*    padding: 80px 0;*/
/*    position: relative;*/
/*    z-index: 1;*/
/*}*/
/*.serve .title{*/
/*    color: #FFFFFF;*/
/*}*/
/*.serve .serve-desc{*/
/*    font-size: 16px;*/
/*    color: #FFFFFF;*/
/*    margin-top: 30px;*/
/*    text-align: center;*/
/*}*/

/*@media only screen and (min-width: 1000px) and (max-width: 1440px) {*/
/*    .serve-wrap{*/
/*        margin-top: 60px;*/
/*    }*/
/*    .serve{*/
/*        width: 900px;*/
/*        padding: 60px 0;*/
/*    }*/
/*    .serve .serve-desc{*/
/*        font-size: 14px;*/
/*    }*/
/*}*/
/*@media only screen and (max-width: 1000px) {*/
/*    .serve-wrap{*/
/*        margin-top: 40px;*/
/*    }*/
/*    .serve{*/
/*        width: 700px;*/
/*        padding: 40px 0;*/
/*    }*/
/*    .serve .serve-desc{*/
/*        font-size: 12px;*/
/*    }*/
/*}*/



/*.global-wrap{*/
/*    width: 100%;*/
/*    margin: 0 auto 80px;*/
/*    background-repeat: no-repeat;*/
/*    background-position: center top;*/
/*    background-size: 100% auto;*/
/*}*/
/*.global{*/
/*    padding-top: 120px;*/
/*    width: 1400px;*/
/*    margin: 0 auto;*/
/*}*/
/*.global .global-desc{*/
/*    font-size: 16px;*/
/*    margin-top: 30px;*/
/*}*/
/*.global .global-content{*/
/*    margin-top: 10px;*/
/*    display: flex;*/
/*    justify-content: space-between;*/
/*    flex-wrap: wrap;*/
/*}*/
/*.global .global-content .global-content-item{*/
/*    margin-top: 30px;*/
/*    width: 48%;*/
/*    background-color: #ededed;*/
/*    padding: 30px 50px;*/
/*}*/
/*.global .global-content .global-content-item .global-content-item-title{*/
/*    font-size: 30px;*/
/*}*/
/*.global .global-content .global-content-item .global-content-item-desc{*/
/*    font-size: 16px;*/
/*    margin-top: 20px;*/
/*}*/

/*@media only screen and (min-width: 1000px) and (max-width: 1440px) {*/
/*    .global-wrap{*/
/*        margin-bottom: 60px;*/
/*    }*/
/*    .global{*/
/*        width: 900px;*/
/*        padding-top: 100px;*/
/*    }*/
/*    .global .global-desc{*/
/*        font-size: 14px;*/
/*        margin-top: 20px;*/
/*    }*/
/*    .global .global-content .global-content-item{*/
/*        margin-top: 20px;*/
/*        padding: 20px 40px;*/
/*    }*/
/*    .global .global-content .global-content-item .global-content-item-title{*/
/*        font-size: 25px;*/
/*    }*/
/*    .global .global-content .global-content-item .global-content-item-desc{*/
/*        font-size: 14px;*/
/*        margin-top: 15px;*/
/*    }*/
/*}*/
/*@media only screen and (max-width: 1000px) {*/
/*    .global-wrap{*/
/*        margin-bottom: 40px;*/
/*    }*/
/*    .global{*/
/*        width: 700px;*/
/*        padding-top: 80px;*/
/*    }*/
/*    .global .global-desc{*/
/*        font-size: 12px;*/
/*        margin-top: 10px;*/
/*    }*/
/*    .global .global-content .global-content-item{*/
/*        margin-top: 10px;*/
/*        padding: 10px 30px;*/
/*    }*/
/*    .global .global-content .global-content-item .global-content-item-title{*/
/*        font-size: 20px;*/
/*    }*/
/*    .global .global-content .global-content-item .global-content-item-desc{*/
/*        font-size: 12px;*/
/*        margin-top: 10px;*/
/*    }*/
/*}*/



/*.advantage{*/
/*    width: 1400px;*/
/*    margin: 80px auto;*/
/*}*/
/*.advantage .advantage-list{*/
/*    display: flex;*/
/*    justify-content: space-between;*/
/*    flex-wrap: wrap;*/
/*}*/
/*.advantage .advantage-list .advantage-item{*/
/*    width: 48%;*/
/*    margin-top: 40px;*/
/*    box-shadow: 0 0 15px 1px rgba(0, 0, 0, 0.16);*/
/*    padding: 40px;*/
/*    text-align: center;*/
/*}*/
/*.advantage .advantage-list .advantage-item .advantage-item-num{*/
/*    font-size: 40px;*/
/*    font-weight: bold;*/
/*    color: #ea222d;*/
/*}*/
/*.advantage .advantage-list .advantage-item .advantage-item-title{*/
/*    font-size: 18px;*/
/*    margin-top: 20px;*/
/*}*/

/*@media only screen and (min-width: 1000px) and (max-width: 1440px) {*/
/*    .advantage{*/
/*        width: 900px;*/
/*        margin: 60px auto;*/
/*    }*/
/*    .advantage .advantage-list .advantage-item{*/
/*        margin-top: 30px;*/
/*        padding: 30px;*/
/*    }*/
/*    .advantage .advantage-list .advantage-item .advantage-item-num{*/
/*        font-size: 34px;*/
/*    }*/
/*    .advantage .advantage-list .advantage-item .advantage-item-title{*/
/*        font-size: 16px;*/
/*        margin-top: 15px;*/
/*    }*/
/*}*/
/*@media only screen and (max-width: 1000px) {*/
/*    .advantage{*/
/*        width: 700px;*/
/*        margin: 40px auto;*/
/*    }*/
/*    .advantage .advantage-list .advantage-item{*/
/*        margin-top: 20px;*/
/*        padding: 20px;*/
/*    }*/
/*    .advantage .advantage-list .advantage-item .advantage-item-num{*/
/*        font-size: 28px;*/
/*    }*/
/*    .advantage .advantage-list .advantage-item .advantage-item-title{*/
/*        font-size: 14px;*/
/*        margin-top: 10px;*/
/*    }*/
/*}*/

/***/
/* * certificate styles*/
/* ***/
/*.certificate{*/
/*    width: 1400px;*/
/*    margin: 80px auto;*/
/*}*/
/*.certificate .certificate-list{*/
/*    margin-top: 20px;*/
/*    display: flex;*/
/*    flex-wrap: wrap;*/
/*}*/
/*.certificate .certificate-list .certificate-item{*/
/*    cursor: pointer;*/
/*    width: 24%;*/
/*    margin-top: 20px;*/
/*    margin-right: 1.33%;*/
/*}*/
/*.certificate .certificate-list .certificate-item:nth-child(4n){*/
/*    margin-right: 0;*/
/*}*/
/*.certificate .certificate-list .certificate-item img{*/
/*    width: 100%;*/
/*    height: 100%;*/
/*}*/

/*@media only screen and (min-width: 1000px) and (max-width: 1440px) {*/
/*    .certificate{*/
/*        width: 900px;*/
/*        margin: 60px auto;*/
/*    }*/
/*}*/
/*@media only screen and (max-width: 1000px) {*/
/*    .certificate{*/
/*        width: 700px;*/
/*        margin: 40px auto;*/
/*    }*/
/*}*/


/*.gallery{*/
/*    width: 1400px;*/
/*    margin: 80px auto;*/
/*}*/
/*.gallery .gallery-list{*/
/*    display: flex;*/
/*    flex-wrap: wrap;*/
/*    justify-content: space-between;*/
/*}*/
/*.gallery .gallery-list .gallery-item{*/
/*    width: 48%;*/
/*    margin-top: 40px;*/
/*}*/
/*.gallery .gallery-list .gallery-item .gallery-item-img{*/
/*    width: 100%;*/
/*    overflow: hidden;*/
/*}*/
/*.gallery .gallery-list .gallery-item .gallery-item-img img{*/
/*    width: 100%;*/
/*    transition: all .3s ease-in-out;*/
/*}*/
/*.gallery .gallery-list .gallery-item .gallery-item-title{*/
/*    margin-top: 10px;*/
/*    font-size: 20px;*/
/*    font-weight: bold;*/
/*}*/
/*.gallery .gallery-list .gallery-item:hover .gallery-item-img img{*/
/*    transform: scale(1.05);*/
/*}*/
/*.gallery .gallery-list .gallery-item:hover .gallery-item-title{*/
/*    color: #ea222d;*/
/*}*/


/*@media only screen and (min-width: 1000px) and (max-width: 1440px) {*/
/*    .gallery{*/
/*        width: 900px;*/
/*        margin: 60px auto;*/
/*    }*/
/*}*/
/*@media only screen and (max-width: 1000px) {*/
/*    .gallery{*/
/*        width: 700px;*/
/*        margin: 40px auto;*/
/*    }*/
/*}*/
/****/
/* * about styles*/
/* **/










/***
 * about styles
 **/
.about-content {
    width: 1400px;
    margin: 60px auto 80px; /* changed top margin since no longer overlapping banner */
    color: #333333;
    position: relative;
    z-index: 2;
    background: #ffffff;
}

.about-split-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.about-split-text-box {
    flex: 1;
    max-width: 50%;
    padding-right: 40px;
    display: flex;
    flex-direction: column;
}

.about-split-image-box {
    flex: 1;
    max-width: 50%;
}

.about-split-image-box img {
    width: 100%;
    height: auto;
    display: block;
}

.about-company-profile-header {
    position: relative;
    margin-bottom: 30px;
    padding-top: 10px;
}

.about-profile-bg-text {
    position: absolute;
    top: -15px;
    left: -5px;
    font-size: 56px;
    font-weight: 900;
    color: #f5f5f5;
    z-index: 0;
    line-height: 1;
    letter-spacing: 2px;
}

.about-profile-title {
    position: relative;
    z-index: 1;
    font-size: 28px;
    font-weight: bold;
    color: #333333;
    margin-bottom: 10px;
}

.about-profile-subtitle {
    position: relative;
    z-index: 1;
    font-size: 14px;
    color: #888888;
}

.about-profile-logo-row {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding: 15px 0;
    border-top: 1px solid #eeeeee;
    border-bottom: 1px solid #eeeeee;
}

.about-profile-logo {
    height: 35px;
    width: auto;
    margin-right: 15px;
}

.about-profile-company-name {
    font-size: 20px;
    font-weight: bold;
    color: #333333;
    margin: 0;
}

.about-content .about-introduction {
    text-align: left;
}

.about-content .about-introduction p {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #333333;
}


.about-overview-stats {
    margin-top: 40px;
    display: flex;
    background: #ffffff;
    gap: 30px;
}

.about-overview-stat {
    flex: 1;
    padding: 20px 0;
    text-align: left;
}

.about-overview-stat-num {
    color: #c82021;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 4px;
}

.about-counter-num {
    font-size: 52px;
    font-weight: 700;
    line-height: 1;
    font-family: 'Inter', Arial, sans-serif;
}

.about-counter-unit {
    font-size: 14px;
    color: #999;
    font-weight: normal;
    margin-top: 5px;
}

.about-overview-stat-desc {
    font-size: 16px;
    color: #666666;
    line-height: 1.6;
    font-family: 'Poppins', Arial, sans-serif;
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .about-content {
        width: 900px;
        margin: 50px auto 60px;
    }

    .about-split-layout {
        gap: 30px;
    }

    .about-split-title {
        font-size: 26px;
        margin-bottom: 15px;
    }

    .about-content .about-introduction p {
        font-size: 14px;
        margin-bottom: 15px;
    }

    .about-overview-stats {
        margin-top: 28px;
    }

    .about-overview-stat {
        min-height: 140px;
        padding: 24px 8px 16px;
    }

    .about-overview-stat-num {
        font-size: 44px;
    }

    .about-overview-stat-title {
        margin-top: 8px;
        font-size: 20px;
    }
}

@media only screen and (max-width: 1000px) {
    .about-content {
        width: 90%;
        margin: 30px auto 40px;
    }

    .about-split-layout {
        flex-direction: column;
        gap: 20px;
    }

    .about-split-left {
        max-width: 100%;
        width: 100%;
    }

    .about-split-title {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .about-content .about-introduction p {
        font-size: 13px;
        line-height: 1.7;
        margin-bottom: 10px;
    }

    .about-overview-stats {
        margin-top: 10px;
        flex-wrap: wrap;
    }

    .about-overview-stat {
        min-height: 106px;
        padding: 16px 6px 10px;
        flex: 1 1 50%;
        border-bottom: 1px solid #e2e2e2;
    }

    .about-overview-stat:last-child {
        border-right: none;
    }

    .about-overview-stat-num {
        font-size: 30px;
    }

    .about-overview-stat-title {
        margin-top: 6px;
        font-size: 14px;
    }
}

.about-do {
    width: 1400px;
    margin: 80px auto;
    display: flex;
    justify-content: space-between;
}

.about-do .about-do-desc {
    width: 70%;
    font-size: 16px;
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .about-do {
        width: 900px;
        margin: 60px auto;
    }

    .about-do .about-do-desc {
        font-size: 14px;
    }
}

@media only screen and (max-width: 1000px) {
    .about-do {
        width: 700px;
        margin: 40px auto;
    }

    .about-do .about-do-desc {
        font-size: 12px;
    }
}

.serve-wrap {
    width: 100%;
    margin: 0 auto;
    background-repeat: no-repeat;
    background-position: center center;
    position: relative;
}

.serve-wrap::after {
    content: '';
    background-color: rgba(0, 0, 0, 0.2);
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.engineering-item {
    text-align: center;
    width: 15%;
    max-width: 200px;
    aspect-ratio: 1;
    height: auto;
    background-color: #f9f9f9;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    padding: 20px;
    box-sizing: border-box;
}
.engineering-item:hover {
    background: linear-gradient(135deg, #ffba3b 0%, #F39800 100%);
    box-shadow: 0 10px 30px rgba(243, 152, 0, 0.3);
}
.engineering-item:hover .engineering-item-title {
    color: #fff;
}
.engineering-item img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 15px;
    transition: opacity 0.3s;
}
.engineering-item .active {
    display: none;
}
.engineering-item:hover .normal {
    display: none;
}
.engineering-item:hover .active {
    display: inline-block;
}
.engineering-item-title {
    font-size: 14px;
    color: #333;
    line-height: 1.4;
}

.serve {
    width: 1400px;
    margin: 0 auto;
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.serve .title {
    color: #FFFFFF;
}

.serve .serve-desc {
    font-size: 16px;
    color: #FFFFFF;
    margin-top: 30px;
    text-align: center;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .serve-wrap {
        margin-top: 60px;
    }

    .serve {
        width: 900px;
        padding: 60px 0;
    }

    .serve .serve-desc {
        font-size: 14px;
    }
}

@media only screen and (max-width: 1000px) {
    .serve-wrap {
        margin-top: 40px;
    }

    .serve {
        width: 700px;
        padding: 40px 0;
    }

    .serve .serve-desc {
        font-size: 12px;
    }
}



.global-wrap {
    width: 100%;
    margin: 0 auto;
}

.global {
    padding-top: 80px;
    /* padding-bottom: 80px; */
    width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.global-desc {
    margin-top: 20px;
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.global-map-container {
    margin-top: 50px;
}

.global-map-img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.global-market-bottom {
    margin: 40px auto 80px;
    width: 1400px;
}

.global-market-subtitle {
    font-size: 16px;
    font-weight: bold;
    color: #222;
    text-align: center;
    margin-bottom: 40px;
}

.global-market-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.global-market-item {
    background: #148fcc;
    color: #fff;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 160px;
    text-align: left;
}

.global-market-item:nth-child(4n+1) { background: #1a8ed2; }
.global-market-item:nth-child(4n+2) { background: #f6be59; }
.global-market-item:nth-child(4n+3) { background: #26abdb; }
.global-market-item:nth-child(4n+4) { background: #27c8c2; }

.market-item-title {
    font-size: 20px;
    font-weight: bold;
    line-height: 1.3;
}

.market-item-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-top: 1px solid rgba(255,255,255,0.4);
    padding-top: 15px;
    margin-top: 20px;
}

.market-item-label {
    font-size: 12px;
    opacity: 0.9;
}

.market-item-num {
    font-size: 32px;
    font-weight: bold;
    line-height: 1;
    word-break: break-all;
    max-width: 60%;
    text-align: right;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .global-wrap {
        margin-bottom: 60px;
    }

    .global {
        width: 900px;
        padding-top: 100px;
    }

    .global .global-desc {
        font-size: 14px;
        margin-top: 20px;
    }

    .global .global-content .global-content-item {
        margin-top: 20px;
        padding: 20px 40px;
    }

    .global .global-content .global-content-item .global-content-item-title {
        font-size: 25px;
    }

    .global .global-content .global-content-item .global-content-item-desc {
        font-size: 14px;
        margin-top: 15px;
    }
}

@media only screen and (max-width: 1000px) {
    .global-wrap {
        margin-bottom: 40px;
    }

    .global {
        width: 700px;
        padding-top: 80px;
    }

    .global-desc {
        font-size: 12px;
        margin-top: 10px;
    }
    .global-market-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media only screen and (max-width: 600px) {
    .global-market-list {
        grid-template-columns: 1fr;
    }
}

.advantage {
    width: 1400px;
    margin: 80px auto;
}

.advantage .advantage-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.advantage .advantage-list .advantage-item {
    width: 48%;
    margin-top: 40px;
    box-shadow: 0 0 15px 1px rgba(0, 0, 0, 0.16);
    padding: 40px;
    text-align: center;
}

.advantage .advantage-list .advantage-item .advantage-item-num {
    font-size: 40px;
    font-weight: bold;
    color: #ea222d;
}

.advantage .advantage-list .advantage-item .advantage-item-title {
    font-size: 18px;
    margin-top: 20px;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .advantage {
        width: 900px;
        margin: 60px auto;
    }

    .advantage .advantage-list .advantage-item {
        margin-top: 30px;
        padding: 30px;
    }

    .advantage .advantage-list .advantage-item .advantage-item-num {
        font-size: 34px;
    }

    .advantage .advantage-list .advantage-item .advantage-item-title {
        font-size: 16px;
        margin-top: 15px;
    }
}

@media only screen and (max-width: 1000px) {
    .advantage {
        width: 700px;
        margin: 40px auto;
    }

    .advantage .advantage-list .advantage-item {
        margin-top: 20px;
        padding: 20px;
    }

    .advantage .advantage-list .advantage-item .advantage-item-num {
        font-size: 28px;
    }

    .advantage .advantage-list .advantage-item .advantage-item-title {
        font-size: 14px;
        margin-top: 10px;
    }
}

/**
 * certificate styles
 ***/
.certificate {
    width: 1400px;
    margin: 80px auto;
}

.certificate .certificate-list {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
}

.certificate .certificate-list .certificate-item {
    cursor: pointer;
    width: 24%;
    margin-top: 20px;
    margin-right: 1.33%;
}

.certificate .certificate-list .certificate-item:nth-child(4n) {
    margin-right: 0;
}

.certificate .certificate-list .certificate-item .certificate-img-wrap img {
    width: 100%;
    height: 100%;
}

.certificate-preview {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 70px 100px;
    background-color: rgba(0, 0, 0, 0.78);
}

.certificate-preview.active {
    display: flex;
}

.certificate-preview-content {
    max-width: 72vw;
}

.certificate-preview-content img {
    display: block;
    width: auto;
    height: 86vh;
    max-width: 72vw;
    object-fit: contain;
    background-color: #FFFFFF;
    box-shadow: 0 0 18px 2px rgba(0, 0, 0, 0.3);
}

.certificate-preview-close,
.certificate-preview-arrow {
    position: absolute;
    border: 0;
    padding: 0;
    background: none;
    cursor: pointer;
}

.certificate-preview-close {
    top: 24px;
    right: 36px;
    width: 34px;
    height: 34px;
}

.certificate-preview-close::before,
.certificate-preview-close::after {
    content: '';
    position: absolute;
    top: 16px;
    left: 2px;
    width: 30px;
    height: 3px;
    background-color: #FFFFFF;
}

.certificate-preview-close::before {
    transform: rotate(45deg);
}

.certificate-preview-close::after {
    transform: rotate(-45deg);
}

.certificate-preview-arrow {
    top: 50%;
    width: 44px;
    height: 44px;
    border-top: 4px solid rgba(255, 255, 255, 0.75);
    border-left: 4px solid rgba(255, 255, 255, 0.75);
}

.certificate-preview-arrow:hover {
    border-color: #FFFFFF;
}

.certificate-preview-prev {
    left: 52px;
    transform: translateY(-50%) rotate(-45deg);
}

.certificate-preview-next {
    right: 52px;
    transform: translateY(-50%) rotate(135deg);
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .certificate {
        width: 900px;
        margin: 60px auto;
    }
}

@media only screen and (max-width: 1000px) {
    .certificate {
        width: 700px;
        margin: 40px auto;
    }

    .certificate-preview {
        padding: 50px 60px;
    }

    .certificate-preview-content {
        max-width: 78vw;
    }

    .certificate-preview-content img {
        height: 80vh;
        max-width: 78vw;
    }

    .certificate-preview-close {
        top: 18px;
        right: 24px;
    }

    .certificate-preview-prev {
        left: 24px;
    }

    .certificate-preview-next {
        right: 24px;
    }
}


.gallery {
    width: 1400px;
    margin: 80px auto;
}

.gallery .gallery-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.gallery .gallery-list .gallery-item {
    width: 48%;
    margin-top: 40px;
}

.gallery .gallery-list .gallery-item .gallery-item-img {
    width: 100%;
    overflow: hidden;
}

.gallery .gallery-list .gallery-item .gallery-item-img img {
    width: 100%;
    transition: all .3s ease-in-out;
}

.gallery .gallery-list .gallery-item .gallery-item-title {
    margin-top: 10px;
    font-size: 20px;
    font-weight: bold;
}

.gallery .gallery-list .gallery-item:hover .gallery-item-img img {
    transform: scale(1.05);
}

.gallery .gallery-list .gallery-item:hover .gallery-item-title {
    color: #ea222d;
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .gallery {
        width: 900px;
        margin: 60px auto;
    }
}

@media only screen and (max-width: 1000px) {
    .gallery {
        width: 700px;
        margin: 40px auto;
    }
}

/* ─── Map Section ─────────────────────────────────────────── */
.about-map {
    width: 1400px;
    margin: 80px auto;
}

.about-map .title {
    margin-bottom: 30px;
}

.about-map .map-container {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid #e4eaf3;
}

.about-map .map-container iframe {
    display: block;
    width: 100%;
    height: 450px;
    border: 0;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .about-map {
        width: 900px;
        margin: 60px auto;
    }
}

@media only screen and (max-width: 1000px) {
    .about-map {
        width: 700px;
        margin: 40px auto;
    }
}

.about-culture-section {
    background-image: url('../images/about-factory.jpg');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
    padding: 80px 0;
    margin-top: 40px;
    z-index: 1;
}

.about-culture-container {
    width: 1400px;
    margin: 0 auto;
}

.about-culture-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-top: 20px;
}

.about-culture-bg-text {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 80px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.7);
    z-index: 0;
    white-space: nowrap;
    line-height: 1;
}

.about-culture-title {
    position: relative;
    z-index: 1;
    font-size: 36px;
    font-weight: bold;
    color: #333333;
    margin: 0;
    padding-top: 40px; /* Overlap effect */
}

.about-culture-desc {
    text-align: center;
    font-size: 15px;
    line-height: 1.8;
    color: #666666;
    max-width: 1100px;
    margin: 0 auto 50px;
}

.about-culture-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.about-culture-card {
    background: #ffffff;
    padding: 40px;
    display: flex;
    align-items: flex-start;
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.about-culture-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: var(--culture-card-bg, url('../images/about-factory.jpg'));
    background-position: center;
    background-size: cover;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.about-culture-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.about-culture-card:hover::before {
    opacity: 1;
}

.about-culture-card:hover .culture-card-title,
.about-culture-card:hover .culture-card-item,
.about-culture-card:hover .culture-card-item strong {
    color: #ffffff;
    transition: color 0.4s ease;
}

.about-culture-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e60012;
    margin-right: 30px;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.about-culture-icon svg {
    width: 35px;
    height: 35px;
    fill: currentColor;
}

.about-culture-text {
    flex: 1;
}

.culture-card-title {
    font-size: 24px;
    font-weight: bold;
    color: #333333;
    margin-bottom: 20px;
}

.culture-card-item {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 8px;
}

.culture-card-item strong {
    color: #333333;
    font-weight: bold;
    margin-right: 5px;
}

/* Service Center */
.service.content {
    max-width: 1400px;
    margin: 0 auto;
    /* padding: 80px 0; */
}
.service-description {
    font-size: 16px;
    color: #666;
    text-align: center;
    margin-bottom: 60px;
}
.engineering {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 80px;
}
.service-content-list {
    display: flex;
    flex-direction: column;
    max-width: 1316px;
    margin: 0 auto;
    gap: 40px;
}
.service-content-item {
    display: flex;
    width: 100%;
}
.service-content-item .service-img {
    width: 50%;
}
.service-content-item .service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.service-content-item .service-content-block {
    width: 50%;
    background-color: #f5f5f5;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.service-content-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}
.service-content-text {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    white-space: pre-wrap;
}

@media (max-width: 768px) {
    .engineering {
        justify-content: center;
        gap: 20px;
    }
    .engineering-item {
        width: 40%;
        margin-bottom: 20px;
    }
    .service-content-item {
        flex-direction: column !important;
    }
    .service-content-item .service-img, .service-content-item .service-content-block {
        width: 100%;
    }
    .service-content-item .service-content-block {
        padding: 40px 20px;
    }
}

@media (max-width: 1200px) {
    .engineering-item-title {
        font-size: 13px;
    }
    .engineering-item img {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 1000px) {
    .engineering-item-title {
        font-size: 12px;
    }
    .engineering-item img {
        width: 45px;
        height: 45px;
    }
    .service-content-item .service-content-block {
        padding: 30px 20px;
    }
    .service-content-text {
        font-size: 14px;
    }
}