img { max-width: 100%; }

.gh {
    height: 28px;
    width: 32px;
    position: absolute;
    right: 20px;
    top: 26px;
    transition: all 0.5s cubic-bezier(0.7, 0, 0.3, 1) 0s;
    -webkit-transition: all 0.5s cubic-bezier(0.7, 0, 0.3, 1) 0s;
    cursor: pointer;
    z-index: 999;
    display: none;
}
.gh a {
    background-color: #102E50;
    display: block;
    margin: 0 auto;
    height: 2px;
    margin-top: -1px;
    position: relative;
    top: 50%;
    transition: all 0.3s;
    width: 100%;
    border-radius: 2px;
}
.gh a:after,
.gh a:before {
    background-color: #102E50;
    content: "";
    display: block;
    height: 2px;
    left: 0;
    position: absolute;
    transition: all 0.3s;
    width: 100%;
}
.gh a:after { top: 8px; }
.gh a:before { top: -8px; }
.selected .gh { transform: rotate(90deg); }
.selected .gh a { background-color: transparent; }
.selected .gh a:after { transform: translateY(0) rotate(45deg); top: 0; }
.selected .gh a:before { transform: translateY(0) rotate(-45deg); top: 0; }


@media only screen and (max-width: 1366px) {
    .wrap { width: auto; padding: 0 20px; }
    .header .naver li { margin-left: 24px; }
    .header .naver li h3 a { font-size: 14px; }
    .header .search-btn { padding: 0 18px; margin-left: 20px; }
    .hero-swiper { height: 580px; }
    .hero-swiper .txt h2 { font-size: 32px; }
}



@media only screen and (max-width: 1100px) {
    .gh { display: block; }
    .header .naver {
        position: absolute;
        left: 0;
        right: 0;
        top: 80px;
        background: #102E50;
        display: none;
        z-index: 99;
    }
    .selected .header .naver { display: block; }
    .header .naver ul {
        display: block;
        height: auto;
        padding: 10px 0;
    }
    .header .naver li {
        margin: 0;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .header .naver li h3 a {
        color: #fff;
        line-height: 50px;
        padding: 0 20px;
    }
    .header .naver li.on h3 a,
    .header .naver li h3 a:hover { color: #fff; }
    .header .naver li h3 a:after { display: none; }
    .header .search-btn { display: none; }

    .hero-swiper { height: 460px; }
    .hero-swiper .slide-bg { width: 70%; }
    .hero-swiper .txt { width: 55%; }
    .hero-swiper .txt h2 { font-size: 26px; }
    .hero-swiper .txt p { font-size: 14px; }
    .hero-pagination { bottom: 24px; }

    .section { padding: 60px 0; }
    .section .stit h3 { font-size: 26px; }
    .section .stit { margin-bottom: 40px; }

    .service .list { grid-template-columns: 1fr; }
    .service .list .item.big { height: 380px; }
    .service .list .right-col { grid-template-rows: 1fr 1fr; }
    .service .list .item { height: 240px; }

    .whyus .list { grid-template-columns: repeat(2, 1fr); }
    .quality .list { grid-template-columns: repeat(2, 1fr); }
    .quality .item { min-height: 180px; padding: 28px 24px; }
    .quality .item .num { font-size: 26px; margin-bottom: 14px; }
    .quality .item .icon { width: 42px; height: 42px; right: 20px; bottom: 20px; }
    .flow .list { grid-template-columns: repeat(2, 1fr); }
    .flow .list .item:nth-child(3) { grid-column: span 2; }

    .news-home .flex { grid-template-columns: 1fr; }
    .news-home .big .pic { height: 220px; }
    
     

    .about .intro { grid-template-columns: 1fr; gap: 24px; }
    .about .intro p{font-size:14px; }
    .about .pic { height: 280px; }

    .news-list .grid { grid-template-columns: repeat(2, 1fr); }

    .contact .flex { grid-template-columns: 1fr; gap: 40px; }
    .contact .form .row { grid-template-columns: 1fr 1fr; }
    .contact .form .row input:nth-child(3) { grid-column: span 2; }

    .article .hd h1 { font-size: 22px; }
    .article .body { font-size: 14px; }
}

@media only screen and (max-width: 720px) {
    .header .wrap { height: 60px; }
    .header .lts .ts { display: none; }
    .header .lts .logo {/*height: 36px;*/ }
    .header .naver { top: 60px; }
    .gh { top: 16px; }

    .pbanner { height: 100%; margin-top: 60px; }
    .ptitle { padding: 30px 0 20px; }
    .ptitle h1, .ptitle h3 { font-size: 22px; }
	
	
	.about .intro .lt{padding: 30px 0 20px; text-align: center; }
	.about .intro .lt h1, .about .intro .lt h2 { font-size: 22px; }
	.about .intro .rt p{font-size:14px; }

    .hero-swiper { height: 360px; /*padding-top: 60px; */}
    .hero-swiper .slide-bg { width: 100%; height: 180px; top: 60px; opacity: 0.3; }
    .hero-swiper .wrap { align-items: flex-end; padding-bottom: 50px; }
    .hero-swiper .txt { width: 100%; padding-top: 0; }
    .hero-swiper .txt h2 { font-size: 22px; }
    .hero-swiper .txt p { margin: 14px 0 24px; font-size: 13px; }
    .hero-swiper .txt .hbtn { height: 40px; padding: 0 22px; font-size: 14px; }
    .hero-pagination { bottom: 16px; }
    .hero-pagination .swiper-pagination-bullet { width: 24px; }
    .hero-pagination .swiper-pagination-bullet-active { width: 36px; }

    .section { padding: 40px 0; }
    .section .stit { margin-bottom: 30px; }
    .section .stit h3 { font-size: 22px; }

    .service { padding: 40px 0; }
    .service .list { grid-template-columns: 1fr; gap: 14px; }
    .service .list .item { height: 220px; }
    .service .list .item.big { height: 240px; }
    .service .list .right-col { gap: 14px; }

    .whyus { padding: 40px 0; }
    .whyus .list { grid-template-columns: 1fr; gap: 14px; }
    .whyus .item { padding: 24px 20px; }

    .quality { padding: 40px 0; }
    .quality .list { grid-template-columns: 1fr; gap: 14px; }
    .quality .item { min-height: 160px; padding: 24px 20px; }
    .quality .item .num { font-size: 24px; margin-bottom: 12px; }
    .quality .item .icon { width: 36px; height: 36px; right: 18px; bottom: 18px; }

    .flow { padding: 40px 0; }
    .flow .list { grid-template-columns: 1fr; }
    .flow .list .item:nth-child(3) { grid-column: auto; }
    .flow .item .pic { height: 180px; }

    .news-home { padding: 40px 0; }
    .news-home .sm { grid-template-columns: 90px 1fr; gap: 82px; }
    
    .news-home .flex .sm-list li .txt h5{
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.5;
        
    }
    .news-home .news-more { margin-top: 30px; }

    .footer { padding: 30px 0 16px; }
    .footer .flex { flex-direction: column; gap: 24px; }
    .footer .ft-qr { align-self: flex-start; }
    .footer .ft-info p { font-size: 12px; }
    .footer .copyright { font-size: 11px; }

    .news-list { padding: 10px; }
    .news-list .grid { grid-template-columns: 1fr; gap: 24px; }
    .news-list .item .pic { height: 180px; }
    .news-list .item .txt h4{ font-size: 14px; }
    .pages { padding: 30px 0 0; }
    .pages a, .pages span { min-width: 32px; height: 32px; line-height: 32px; font-size: 12px; padding: 0 8px; margin: 0 2px; }

    .about .pic { height: 200px; margin-bottom: 30px; }

    .article .hd h1 { font-size: 18px; }
    .article .feature-img { margin: 5px auto; }
    .article .prev-next { flex-direction: column; gap: 10px; }

    .report-form { padding: 20px 0 50px; }
    .report-form .field { margin-bottom: 18px; }
    .report-form .field label { font-size:16px; }
    .report-form .field input { height: 44px; }
    .report-form .field.captcha { grid-template-columns: 1fr; }
    .report-form .submit { height: 44px; font-size: 14px; }

    .result-page { padding: 10px; }
    .result-page .info-bar { flex-direction: column; gap: 12px; align-items: flex-start; padding: 16px; }
    .result-page .preview { padding: 20px; min-height: 400px; }
    .result-page .preview img { max-width: 100%; }

    .contact { padding: 10px; }
    .contact .info h1, .contact .info h3 { font-size: 22px; }
     .contact .info ul li{ font-size: 15px; }
     
    .contact .form .row { grid-template-columns: 1fr; }
    .contact .form .field label{ font-size:15px; }
    .contact .form .row input:nth-child(3) { grid-column: auto; }
    .contact .form .submit { width:100% }
    .contact .map { margin-top: 30px; }
}