.page-thumbnail {
    margin-top: 70px;
    width: 100%;
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center top;
}

.page-thumbnail.profile {
    background-image: url(/assets/image/page/profile/page_profile_thumbnail.png);
}

.page-thumbnail.business {
    background-image: url(/assets/image/page/business/page_business_thumbnail.png);
}

.page-thumbnail.tech {
    background-image: url(/assets/image/page/tech/page_tech_thumbnail.png);
}

.page-thumbnail.service {
    background-image: url(/assets/image/page/service/page_service_thumbnail.png);
}

.page-title {
    color: #fff;
    margin: auto 0;
    width: 1440px;
    padding-left: 10px;
    font-size: 28px;
    font-weight: 900;
    position: relative;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 10px;
    height: 2px;
    background: linear-gradient(to right, #fff, transparent 15%);
    color: gold;
    font-size: 16px;
    line-height: 0;
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
    padding-left: 98%;
}

.page-nav {
    width: 100%;
    height: 48px;
    background-color: #dee3e9;
}

.nav-list {
    width: 100%;
    height: 48px;
    margin: auto;
    list-style: none;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.nav-list li {
    margin-left: 10px;
}

.nav-list-item {
    width: 48px;
    height: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 10px 0 0;
}

.nav-list-item a {
    text-decoration: none;
    color: #515151;
    font-size: 24px;
    transform: translate(1px, -2px);
}

/* 기본값: 1440px 기준 (데스크탑 이상) */
.page-content {
    width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    justify-content: left;
    align-items: start;
}

@media (max-width: 1439px) {
    .page-content {
        width: 100%;
        padding: 0 20px;
    }

    .page-thumbnail {
        padding: 0 20px;
    }
}

/* 태블릿 대응 (768 ~ 1023px) */
@media (max-width: 1023px) {
    .page-content {
        width: 100%;
        padding: 0 20px;
    }

    .page-thumbnail {
        padding: 0 20px;
    }

    .page-side-nav {
        display: none;
    }
}

/* 모바일 대응 (<= 767px) */
@media (max-width: 767px) {
    .page-content {
        width: 100%;
        padding: 0 20px;
    }

    .page-thumbnail {
        padding: 0 20px;
    }

    .page-side-nav {
        display: none;
    }
}

.page-side-nav {
    padding-top: 40px;
    width: 250px;
    flex-shrink: 0;
}

.side-nav-title {
    list-style: none;
    font-size: 24px;
    position: relative;
    font-weight: 600;
    color: #4e4e4e;
}

.side-nav-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary-blue), transparent 50%);
    color: gold;
    font-size: 16px;
    line-height: 0;
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
    padding-left: 98%;
}

.side-nav-list {
    list-style: none;
    margin-top: 40px;
}

.side-nav-list-item {
    padding: 10px 0;
    border-top: 1px solid rgba(0, 0, 0, .27);
}

.side-nav-list-item:last-child {
    border-bottom: 1px solid rgba(0, 0, 0, .27);
}

.side-nav-list-item b {
    padding: 10px;
    font-size: 17px;
}

.side-nav-list-item a {
    text-decoration: none;
    color: rgba(0, 0, 0, .87);
    font-size: 16px;
    padding: 0 10px;
    transition: all .4s;
}

.side-nav-list-item a:hover {
    color: rgba(125, 125, 125, .87);
}

.page-main {
    margin-left: 40px;
    flex: 1;
    position: relative;
}

.page-main-title {
    width: 100%;
    font-size: 24px;
    font-weight: 600;
    padding-top: 40px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.page-main-title span {
    display: inline-block;
    flex: 1 1 auto;
}

.page-main-download {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #55a4f9;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    transition: background-color 0.25s ease, transform 0.15s ease;
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.2);
    cursor: pointer;
}

.page-main-download:hover,
.page-main-download:focus {
    background-color: #1a71ce;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 123, 255, 0.3);
}

.page-main-download:active {
    transform: translateY(1px);
    box-shadow: 0 2px 6px rgba(0, 123, 255, 0.2);
}

.page-greeting-title {
    padding-top: 40px;
    font-size: 18px;
    line-height: 1.6;
}

.page-greeting-title b {
    color: var(--secondary-blue)
}

.page-greeting-detail {
    padding-top: 50px;
    line-height: 1.5;
}

.page-greeting-footer {
    padding-top: 30px;
    text-align: right;
}

.page-greeting-ilust {
    position: absolute;
    width: 300px;
    bottom: 60px;
    right: 0;
    z-index: -5;
    opacity: .5;
}

.page-core-ilust {
    position: absolute;
    width: 100%;
    top: 240px;
    right: 0;
    z-index: -5;
    opacity: .5;
    -webkit-mask-image: radial-gradient(farthest-side at center, black 60%, transparent 100%),
        linear-gradient(to right, transparent 0%, black 20%, black 80%, transparent 100%),
        linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
    -webkit-mask-composite: intersect;
    mask-image: radial-gradient(farthest-side at center, black 60%, transparent 100%),
        linear-gradient(to right, transparent 0%, black 20%, black 80%, transparent 100%),
        linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
    mask-composite: intersect;
}

.section-icon {
    width: 48px;
    height: 62px;
    margin: 60px auto 20px;
    background-image: url('/assets/image/public/company_logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    animation: fadeInUp 0.8s ease-in-out both;
}

.page-main-subtitle {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: #2a2a2a;
    margin-bottom: 40px;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    position: relative;
    padding-top: 20px;
    animation: fadeInUp 1s ease-in-out both;
}

.business-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    /* 2개씩 배치 */
    gap: 30px;
    max-width: 1340px;
    margin: 0 auto;
    padding: 30px 0 90px 0;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .business-card-grid {
        grid-template-columns: 1fr;
        /* 모바일에선 1개씩 */
    }
}

.business-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 80, 160, 0.1);
    padding: 24px 20px;
    transition: transform 0.3s ease;
}

.business-card:hover {
    transform: translateY(-6px);
}

.business-card h3 {
    font-size: 20px;
    color: #265b91;
    margin-bottom: 10px;
}

.card-summary {
    font-size: 14px;
    color: #555;
    margin-bottom: 12px;
}

.business-card ul {
    list-style: disc;
    padding-left: 18px;
    font-size: 14px;
    color: #444;
}

.page-main.tech {
    display: flex;
    flex-direction: column;
    align-items: start;
}

.page-main.tech .page-main-title {
    padding-bottom: 30px;
}

.page-tech-sub-title {
    position: relative;
    width: 100%;
    font-size: 1.2rem;
    font-weight: 600;
    color: #00a6b7;
    margin: 10px 0 20px 0;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.page-tech-sub-icon {
    position: relative;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    box-sizing: border-box;
    overflow: hidden;
    margin-right: 10px;
    margin-left: 6px;
    flex-shrink: 0;
}

.page-tech-sub-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(rgba(0, 166, 183, 0.4),
            rgba(0, 166, 183, 0.8),
            rgba(0, 166, 183, 0.4));
    animation: rotate-flow 6s linear infinite;
    z-index: 1;
}

.page-tech-sub-icon::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    width: calc(100% - 12px);
    height: calc(100% - 12px);
    background: white;
    border-radius: 50%;
    z-index: 2;
}

@keyframes rotate-flow {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.page-tech-define-title {
    width: 100%;
    padding: 10px 0;
    border-top: 1px solid var(--primary-blue);
    border-bottom: 1px solid var(--primary-blue);
    font-weight: 600;
    font-size: 14px;
    margin: 15px 0;
}

.page-tech-define-detail-text strong {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.page-tech-define-title b,
.page-tech-define-detail-text b {
    color: #ff4f4f;
}

.page-tech-define-title strong {
    font-size: 17px;
}

.page-tech-define-detail {
    display: flex;
    flex-direction: row;
    align-items: start;
    margin: 10px 0;
}

.page-tech-define-detail.last {
    margin-bottom: 80px;
}

.page-tech-define-detail-tag {
    width: 100px;
    flex-shrink: 0;
    text-align: justify;
    margin-right: 30px;
    color: #0ba1f5;
    font-weight: 600;
}

.page-tech-define-detail-text {
    flex: 1;
    line-height: 1.4;
}

.page-tech-devide-title {
    width: 100%;
    font-size: 1.3rem;
    font-weight: 900;
    color: #0057b7;
    margin-bottom: 10px;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.page-tech-devide-title span {
    font-size: 1rem;
    font-weight: normal;
    color: #888;
    margin-left: 6px;
}

.page-tech-devide-title::before {
    content: "";
    display: inline-block;
    width: 42px;
    height: 40px;
    margin-right: 8px;
    background-size: cover;
    background-image: url('/assets/image/public/company_list_icon.png');
    flex-shrink: 0;
}

.page-tech-image-lg {
    width: 100%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    margin-bottom: 20px;
    border-radius: 16px;
}

.page-vision-title {
    width: 100%;
    margin: 40px 0 60px 0;
    padding: 30px 20px;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.6;
    text-align: center;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}

.page-vision-title b {
    color: #004080;
    animation: flash 1.8s ease-in-out infinite alternate;
}

.page-vision-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-vision-list-item {
    background: #ffffff;
    border: 1px solid #cce0ff;
    border-radius: 16px;
    padding: 30px 20px;
    width: 260px;
    box-shadow: 0 4px 10px rgba(0, 64, 128, 0.1);
    transition: transform 0.2s ease;
}

.page-vision-list-item:hover {
    transform: translateY(-5px);
}

.vision-icon {
    font-size: 22px;
    font-weight: bold;
    color: #0073e6;
    margin-bottom: 12px;
}

.vision-content {
    font-size: 16px;
    color: #333333;
    line-height: 1.5;
    padding-bottom: 80px;
}

@keyframes flash {
    0% {
        filter: brightness(1) contrast(1);
    }

    50% {
        filter: brightness(1.1) contrast(1.8);
    }

    100% {
        filter: brightness(1) contrast(1);
    }
}

.page-main-organization {
    width: 100%;
    padding: 40px 100px 20px 100px;
}

.page-main-organization-bck {
    position: absolute;
    width: 100%;
    bottom: 10%;
    left: 0;
    z-index: -1;
    opacity: .7;
    mask-image:
        linear-gradient(to top, transparent 0%, black 20%, black 80%, transparent 100%),
        linear-gradient(to left, transparent 0%, black 20%, black 80%, transparent 100%);
    -webkit-mask-image:
        linear-gradient(to top, transparent 0%, black 20%, black 80%, transparent 100%),
        linear-gradient(to left, transparent 0%, black 20%, black 80%, transparent 100%);
    mask-composite: intersect;
    -webkit-mask-composite: destination-in;
}

.cont {
    display: none;
}

.page-location-title {
    padding: 8px 12px;
    font-size: 16px;
    border-radius: 8px;
    background-color: rgb(180, 180, 180);
    color: #393939;
    width: 120px;
    text-align: center;
    font-weight: bold;
    margin-bottom: 25px;
    position: absolute;
    top: -70px;
    transition: all .4s;
}

.active .page-location-title {
    background-color: rgb(23, 122, 209);
    color: #fff;
}

.active .page-location-content {
    opacity: 1;
    visibility: visible;
}

.page-location-container:nth-child(2) .page-location-title {
    left: 0;
}

.page-location-container:nth-child(3) .page-location-title {
    left: 140px;
}

.page-location-container:nth-child(4) .page-location-title {
    left: 280px;
}

.page-location-title:hover {
    cursor: pointer;
    filter: brightness(0.9);
}

.page-location-container {
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    position: absolute;
    top: 180px;
    left: 0;
}

.page-location-content {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-start;
    justify-content: space-between;
    opacity: 0;
    visibility: hidden;
}

.page-location-map {
    flex: 1;
    height: 340px;
}

.page-location-detail {
    flex: 1 1 35%;
    font-size: 1rem;
    line-height: 1.8;
    padding: 10px;
    border-left: 2px solid #eee;
}

.page-location-detail p {
    margin: 0 0 10px;
}

.page-certification-gallery {
    margin: 40px 0;
    border-radius: 12px;
    transition: all 0.4s ease;
}

.gallery-title {
    display: inline-block;
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 16px;
    color: #fff;
    background-color: #337aa3;
    padding: 10px 20px;
    border-radius: 8px;
}

.gallery-sub-title {
    font-size: 1.1rem;
    font-weight: 400;
    margin: 24px 0 12px;
    color: #333;
    background-color: #eeeeee;
    padding: 8px 16px;
    border-radius: 8px;
}

.gallery-items {
    position: relative;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0;
    padding: 10px 0 20px 0;
    transition: all 0.4s ease;
}

.gallery-item {
    width: auto;
    height: 220px;
    object-fit: cover;
    margin-left: -80px;
    transition: all 0.3s ease;
    border-radius: 10px;
    border: 1px solid #ccc;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    z-index: 1;
}

.gallery-items:hover .gallery-item {
    margin-left: 10px;
}

.gallery-item:first-child {
    margin-left: 0 !important;
}

.gallery-item:hover {
    transform: scale(1.15);
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.tech-section {
    padding-top: 40px;
    background-color: #ffffff;
    overflow-x: auto;
    max-width: 1190px;
}

.section-title {
    font-size: 1.4rem;
    font-weight: 900;
    color: #003b80;
    margin-bottom: 16px;
}

.section-title span {
    font-size: 1rem;
    font-weight: normal;
    color: #888;
    margin-left: 6px;
}

.section-title.sub {
    margin-top: 40px;
}

.table-scroll {
    overflow-x: auto;
    flex: 1 1 auto;
    margin-bottom: 32px;
    margin-top: 20px;
}

.table-img-wrapper img {
    height: 400px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.data-table thead {
    background-color: #e9f1fb;
}

.data-table th,
.data-table td {
    border: 1px solid #ccc;
    padding: 8px 12px;
    text-align: center;
    white-space: nowrap;
}

.data-table td {
    background-color: #fff;
    color: #333;
}

.data-table td[colspan] {
    text-align: left;
}

.equipment-section {
    padding: 40px 0;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #0057b7;
    margin-bottom: 30px;
}

.equipment-grid {
    display: grid;
    grid-template-columns: 150px 1fr;
    grid-template-rows: auto auto auto;
    gap: 16px 24px;
    background-color: #fff;
    border-radius: 12px;
    padding: 12px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.equipment-label {
    grid-row: 1 / span 3;
    background-color: var(--primary-blue);
    color: #fff;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.1rem;
    padding: 10px;
    text-align: center;
}

.equipment-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #003b80;
}

.equipment-item ul {
    padding-left: 20px;
    margin: 0;
}

.equipment-item ul li {
    margin-bottom: 4px;
    line-height: 1.6;
    color: #444;
}

.operation-section {
    margin-top: 40px;
}

.sub-title {
    font-size: 1.1rem;
    background-color: var(--primary-blue);
    color: white;
    display: inline-block;
    padding: 8px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.equipment-photos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.equipment-photos img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #ddd;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.sum-line td {
    background-color: #bfedff;
    font-weight: 600;
}

.tech-diagram {
    position: relative;
    width: auto;
    height: auto;
    padding: 3rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    background: #fff;
    border-radius: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
    margin-bottom: 60px;
}

.tech-node {
    position: relative;
    padding: 1.5rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    flex: 1 1 250px;
    max-width: 300px;
    text-align: center;
    z-index: 2;
}

.tech-node:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.tech-node img {
    width: 100%;
    max-height: 140px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.tech-node h3 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.tech-node p {
    font-size: 0.9rem;
    color: #666;
}

svg.tech-connection-line {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.tech-connection-line path {
    stroke: #7dafff;
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 5;
    animation: dash-move 2s linear infinite;
}

.table-wrapper {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    overflow-x: auto;
    max-width: calc(100vw - 40px);
}

@keyframes dash-move {
    0% {
        stroke-dashoffset: 0;
    }

    100% {
        stroke-dashoffset: -20;
    }
}

.tech-explain-section {
    background-color: #d7eafc;
    padding: 10px 0;
    margin-bottom: 10px;
    border-radius: 6px;
    width: 100%;
    position: relative;
}

.tech-explain-section.margin {
    margin-top: 30px;
}

.tech-explain-highlight {
    background-color: #fcd87d;
    display: inline-block;
    padding: 8px 14px;
    font-weight: 600;
    border-radius: 8px;
    margin-bottom: 12px;
    top: -20px;
    position: absolute;
}

.tech-explain-section h2 {
    margin-top: 0;
    font-weight: 700;
    margin-bottom: 12px;
}

.tech-explain-section ul {
    padding-left: 18px;
    margin: 8px 0 12px 0;
    list-style: none;
}

.tech-explain-section ul li {
    margin: 10px 0;
    font-weight: 400;
    line-height: 1.4;
}

.tech-explain-section ul li strong {
    font-weight: 600;
    color: var(--primary-blue);
    line-height: 2;
}

.tech-explain-section .sub-list {
    padding-left: 20px;
    margin-top: 4px;
}

.explain-section {
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
}

.tech-photos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    border: 1px solid #ccc;
    padding: 12px;
    box-sizing: border-box;
    background: #fdfdfd;
    border-radius: 4px;
}

.tech-photos img {
    width: 100%;
    height: 240px;
    border: 1px solid #ddd;
    border-radius: 4px;
    object-fit: cover;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.map-system {
    display: block;
    margin: 25px auto 0;
    max-width: 100%;
    border-radius: 6px;
}

.tech-guide-section {
    width: 100%;
}

.tech-guide-step {
    margin-bottom: 30px;
}

.tech-level-title {
    background-color: #c2fff6;
    padding: 8px 20px;
    font-weight: 600;
    border-radius: 8px;
    margin-bottom: 12px;
    display: inline-block;
}

.tech-guide-step p {
    margin: 10px 0 20px;
    font-size: 15px;
    color: #1c4d95;
    font-weight: bold;
    line-height: 1.4;
}

.tech-guide-step p b {
    color: #ff4f4f;
}

.tech-guide-images {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.tech-guide-imgbox {
    width: calc(33.33% - 13.33px);
    text-align: center;
}

.tech-guide-images.four {
    gap: 12px;
}

.tech-guide-images.four .tech-guide-imgbox {
    width: calc(25% - 9px);
}

.tech-guide-images.four .tech-guide-imgbox img {
    height: 220px;
}

.tech-guide-images.four .tech-guide-imgbox.two {
    width: calc(50% - 10px);
}

.tech-guide-imgbox img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 16px;
    border: 1px solid #ccc;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .27);
}

.tech-guide-caption {
    margin-top: 8px;
    font-size: 15px;
    color: #444;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.tech-guide-number {
    background-color: #1aa1af;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    color: #fff;
    font-weight: 800;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-guide-detail {
    margin-left: 10px;
}

.tech-guide-detail strong {
    color: rgb(238, 79, 79);
}

.tech-guide-img {
    width: 100%;
    margin-bottom: 40px;
}

.history-timeline {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 100px auto;
    padding: 40px 20px;
}

.tech-guide-warning {
    margin: 40px 0;
    padding: 12px 16px;
    border: 1px solid #e00;
    background-color: #fff6f6;
    color: #c00;
    font-size: 14px;
    line-height: 1.6;
    border-radius: 4px;
    width: 100%;
}

.tech-guide-warning ol {
    margin-top: 8px;
    padding-left: 20px;
}

.timeline-line {
    position: absolute;
    left: calc(50% - 30px);
    top: 0;
    width: 60px;
    height: 100%;
    border-radius: 80px;
    background: linear-gradient(180deg, #00c3ff 25%, #005b96 50%, #00c3ff 75%);
    background-size: 100% 300%;
    background-repeat: repeat-y;
    animation: flow 24s linear infinite;
    z-index: 1;
}

/* 전체 감싸는 레이아웃 */
.tech-assembly-wrapper {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 24px;
    color: #222;
}

/* 조립도 & 기본치수 테이블 */
.assembly-diagram-table {
    width: 100%;
    border-collapse: collapse;
    text-align: center;
    table-layout: fixed;
}

.assembly-diagram-table th {
    background-color: #d6ecff;
    color: #000;
    font-weight: 600;
    padding: 12px;
    border: 1px solid #ccc;
}

.assembly-diagram-table td {
    border: 1px solid #ccc;
    padding: 16px;
}

.assembly-diagram-table img {
    max-width: 100%;
    height: auto;
}

/* 표 제목 공통 스타일 */
.tech-assembly-wrapper h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    border-left: 4px solid #007acc;
    padding-left: 10px;
    color: #007acc;
}

/* 서브 데이터 테이블 공통 */
.data-table-sub {
    width: 100%;
    border-collapse: collapse;
    text-align: center;
    font-size: 14px;
    table-layout: fixed;
}

.data-table-sub th {
    background-color: #f0f8ff;
    color: #000;
    border: 1px solid #ccc;
    padding: 10px;
    font-weight: 600;
}

.data-table-sub td {
    border: 1px solid #ccc;
    padding: 8px;
}

/* 반응형 대응 */
@media (max-width: 768px) {

    .assembly-diagram-table td,
    .data-table-sub th,
    .data-table-sub td {
        font-size: 12px;
        padding: 6px;
    }

    .tech-assembly-wrapper h4 {
        font-size: 16px;
    }
}


@keyframes flow {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 0 300%;
    }
}


.timeline-item {
    width: 50%;
    padding: 0 40px;
    box-sizing: border-box;
    position: relative;
    z-index: 2;
}

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-item::after {
    content: "";
    position: absolute;
    top: 30px;
    width: 20px;
    height: 20px;
    background: #00b4db;
    border: 3px solid white;
    border-radius: 50%;
    z-index: 3;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.timeline-item.left::after {
    right: -13px;
}

.timeline-item.right::after {
    left: -13px;
}

.timeline-content {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all .4s;
}

.timeline-content:hover {
    transform: scale(1.05);
}

.timeline-content .year {
    font-size: 20px;
    font-weight: bold;
    color: #007acc;
    margin-bottom: 10px;
}

.timeline-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.timeline-content li {
    padding: 6px 0;
    font-size: 16px;
    color: #333;
    border-bottom: 1px solid #e1eaf1;
}

.timeline-content li:last-child {
    border-bottom: none;
}

.timeline-content .month {
    font-weight: bold;
    color: #007acc;
    margin-right: 4px;
}

.timeline-content .day {
    font-size: 14px;
    color: #007acc;
    margin-right: 2px;
}


@media (max-width: 768px) {

    .timeline-item,
    .timeline-item.left,
    .timeline-item.right {
        width: 100%;
        text-align: left;
        left: 0 !important;
        margin-bottom: 30px;
    }

    .timeline-item::before {
        left: 50%;
        transform: translateX(-50%);
    }

    .timeline-line {
        width: 20px;
        left: 50%;
        transform: translateX(-50%);
    }
}

.estimate-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(8, auto);
    gap: 20px 30px;
    width: 100%;
    margin-top: 40px;
}

.company-name {
    grid-column: 1 / 2;
    /* 1열 */
    grid-row: 1 / 2;
    /* 1행 */
}

.contact-name {
    grid-column: 2 / 3;
    /* 2열 */
    grid-row: 1 / 2;
    /* 1행 */
}

.email {
    grid-column: 1 / 2;
    /* 1열 */
    grid-row: 2 / 3;
    /* 2행 */
}

.phone {
    grid-column: 2 / 3;
    /* 2열 */
    grid-row: 2 / 3;
    /* 2행 */
}

.details {
    grid-column: 1 / 3;
    grid-row: 3 / 6;
    display: flex;
    flex-direction: column;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 12px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 1.5px solid #ccc;
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.3s;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #00c3ff;
    outline: none;
}

.submit-btn {
    grid-column: 1 / 3;
    grid-row: 6 / 7;
    width: 100%;
    background-color: var(--primary-blue);
    color: white;
    font-weight: 700;
    font-size: 17px;
    padding: 14px 0;
    border: none;
    border-radius: 8px;
    cursor: not-allowed;
    opacity: 0.6;
    transition: background-color 0.3s;
}

.submit-btn:enabled {
    cursor: pointer;
    opacity: 1;
}

.submit-btn:hover:enabled {
    background-color: #005b96;
}

.as-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(5, auto);
    gap: 20px 30px;
    width: 100%;
    margin-top: 40px;
}

/* 각 항목 위치 지정 */
.customer-name {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
}

.contact-phone {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
}

.email {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
}

.product-name {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
}

.issue-date {
    grid-column: 1 / 2;
    grid-row: 3 / 4;
}

.issue-details {
    grid-column: 1 / 3;
    grid-row: 4 / 7;
    /* 3칸 차지 */
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 1.5px solid #ccc;
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.3s;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #00c3ff;
    outline: none;
}

.submit-btn {
    grid-column: 1 / 3;
    grid-row: 7 / 8;
    width: 100%;
    background-color: #00c3ff;
    color: white;
    font-weight: 700;
    font-size: 17px;
    padding: 14px 0;
    border: none;
    border-radius: 8px;
    cursor: not-allowed;
    opacity: 0.6;
    transition: background-color 0.3s;
}

.submit-btn:enabled {
    cursor: pointer;
    opacity: 1;
}

.submit-btn:hover:enabled {
    background-color: #005b96;
}

.service-notice-container {
    border-radius: 12px;
    padding: 20px 0;
}

.service-notice-desc {
    font-size: 15px;
    color: #666;
}

/* 검색 영역 */
.service-notice-search {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.service-notice-search-form {
    display: flex;
    gap: 10px;
}

.service-notice-search-filter,
.service-notice-search-input,
.service-notice-search-btn {
    padding: 10px;
    font-size: 14px;
}

.service-notice-search-filter {
    width: 120px;
}

.service-notice-search-input {
    width: 200px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.service-notice-search-btn {
    background-color: #00c3ff;
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
}

.service-notice-search-btn:hover {
    background-color: #005b96;
}

/* 리스트 헤더 */
.service-notice-table-header {
    display: flex;
    padding: 12px 0;
    border-top: 2px solid #003366;
    border-bottom: 1px solid #ccc;
    font-weight: bold;
    background: #f0f4f8;
    color: #003366;
}

.service-notice-header-content {
    flex: 1;
    text-align: center;
}

.service-notice-header-date {
    width: 100px;
    text-align: center;
}

.service-notice-header-author {
    width: 80px;
    text-align: center;
}

/* 리스트 항목 */
.service-notice-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-notice-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.service-notice-content {
    flex: 1;
}

.service-notice-link {
    font-size: 15px;
    color: #005b96;
    text-decoration: none;
}

.service-notice-link:hover {
    text-decoration: underline;
    color: #00c3ff;
}

.service-notice-date {
    width: 100px;
    text-align: center;
    font-size: 14px;
    color: #777;
}

.service-notice-author {
    width: 80px;
    text-align: center;
    font-size: 14px;
    color: #666;
}

/* 페이징 */
.service-notice-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}

.service-notice-page-btn {
    padding: 6px 12px;
    border: 1px solid #ccc;
    background: white;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
}

.service-notice-page-btn.active {
    background-color: #00c3ff;
    color: white;
    border-color: #00c3ff;
}

.service-notice-page-btn:hover:not(.active) {
    background-color: #f0faff;
}

.promotion-gallery-container {
    margin: 0 auto;
    padding: 20px 0;
    border-radius: 12px;
}

.promotion-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.promotion-gallery-card {
    background: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease;
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.promotion-gallery-card:hover {
    transform: translateY(-4px);
    cursor: pointer;
}

.promotion-gallery-thumbnail {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: #ddd;
}

.promotion-gallery-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.promotion-gallery-title {
    font-size: 16px;
    font-weight: bold;
    color: #003366;
    margin: 0;
    line-height: 1.4;
    flex-grow: 1;
    text-decoration: none;
}

.promotion-gallery-meta {
    font-size: 13px;
    color: #666;
    display: flex;
    justify-content: space-between;
    text-decoration: none;
}

.last {
    margin-bottom: 80px;
}

.sitemap-section {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 60px 20px;
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
}

.sitemap-title {
    text-align: center;
    font-size: 2.0rem;
    font-weight: 900;
    margin-bottom: 40px;
    color: #00a6b7;
    text-shadow: 0 4px 12px rgba(0, 0, 0, .17);
}

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.sitemap-group {
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease;
}

.sitemap-group:hover {
    transform: translateY(-4px);
}

.sitemap-group h2 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: #00a6b7;
    border-bottom: 2px solid #00a6b7;
    display: inline-block;
    padding-bottom: 4px;
}

.sitemap-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sitemap-group ul li {
    margin: 10px 0;
}

.sitemap-group ul li a {
    color: #333;
    text-decoration: none;
    position: relative;
    padding-left: 10px;
}

.sitemap-group ul li a::before {
    content: "•";
    color: #00a6b7;
    position: absolute;
    left: 0;
}

.sitemap-group ul li a:hover {
    color: #00a6b7;
}

.td_text_detail_wrapper {
    list-style: none;
}

.td_img_detail_wrapper {
    display: flex;
    gap: 10px;
    justify-content: center;
    align-items: center;
}

.td_img_detail_wrapper div span {
    text-decoration: underline;
    text-underline-offset: 4px;
    color: #000;
}

.td_img_detail_wrapper div {
    padding: 20px;
}

.td_img_detail_wrapper img {
    height: 350px;
}

@media (max-width: 1023px) {
    .page-main-organization {
        padding: 20px 0 0 0;
    }

    .page-thumbnail {
        margin-top: 0;
    }

    .page-greeting-ilust {
        display: none;
    }

    .page-main {
        margin-left: 0;
    }

    .timeline-item {
        padding: 10px;
    }

    .timeline-item::after {
        display: none;
    }

    .page-main-organization-bck {
        bottom: -10%;
    }

    .page-location-map {
        width: 100%;
    }

    .page-location-container {
        top: 130px;
    }

    .root_daum_roughmap.root_daum_roughmap_landing {
        width: calc(100vw - 40px) !important;
    }

    .page-location-detail {
        border-left: none;
        padding: 20px 10px;
    }

    .page-location-title {
        width: 90px;
        padding: 4px 8px;
        font-size: 14px;
        top: -40px;
    }

    .page-location-container:nth-child(3) .page-location-title {
        left: 100px;
    }

    .page-location-container:nth-child(4) .page-location-title {
        left: 200px;
    }

    .gallery-items {
        width: calc(100vw - 40px);
        overflow-x: auto;
    }

    .tech-section {
        width: calc(100vw - 40px);
        overflow-x: auto;
    }

    .equipment-grid {
        padding: 10px;
        grid-template-columns: 1fr;
    }

    .page-tech-devide-title {
        font-size: 1rem;
    }

    .tech-guide-imgbox {
        width: 100%;
    }

    .tech-guide-images.four .tech-guide-imgbox {
        width: 100%;
    }

    .tech-guide-images.four .tech-guide-imgbox.two {
        width: 100%;
    }

    .tech-connection-line {
        display: none;
    }

    .tech-explain-section ul {
        padding-left: 0;
        padding: 0 10px;
    }

    .estimate-form,
    .as-form {
        display: flex;
        flex-direction: column;
    }

    .service-notice-search {
        flex-direction: column;
        align-items: start;
    }

    .service-notice-desc {
        margin-bottom: 10px;
    }

    .service-notice-search-filter {
        width: 80px;
        padding: 6px;
    }

    .service-notice-search-input {
        width: 150px;
    }
}

.tech-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.page-vision-re-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
    position: relative;
    padding: 60px 20px;
}


.vision-top {
    position: absolute;
    z-index: 3;
    top: -28px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #11b4f2;
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    padding: 10px 30px 10px 30px;
    border-radius: 8px;
}

.page-vision-re-title {
    color: #9f9f9f;
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 40px 60px;
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, .27);
    border-radius: 12px;
    border-top: 6px solid #11b4f2;
}

#vision-center {
    font-weight: 400;
    font-size: 18px;
    cursor: default;
}

.page-vision-re-title b {
    font-weight: 900;
    font-size: 22px;
}

@keyframes subtleGlowCyan {

    0%,
    100% {
        color: #31bdbd;
        text-shadow: 0 0 2px rgba(15, 207, 207, 0.3);
    }

    50% {
        color: #24a7a7;
        text-shadow: 0 0 4px rgba(25, 224, 224, 0.6);
    }
}

@keyframes subtleGlowBlue {

    0%,
    100% {
        color: #4788de;
        text-shadow: 0 0 2px rgba(51, 139, 255, 0.3);
    }

    50% {
        color: #305784;
        text-shadow: 0 0 4px rgba(92, 169, 255, 0.6);
    }
}

.page-vision-re-title .cyan {
    animation: subtleGlowCyan 3s ease-in-out infinite;
    transition: color 0.3s ease;
}

.page-vision-re-title .blue {
    animation: subtleGlowBlue 3s ease-in-out infinite;
    transition: color 0.3s ease;
}

.page-vision-re-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.page-vision-re-list {
    display: flex;
    gap: 40px;
    position: relative;
    justify-content: center;
    flex-wrap: wrap;
    z-index: 2;
    list-style: none;
}

.page-vision-re-list-item {
    position: relative;
    width: min(350px, calc(100vw - 80px));
    background: white;
    border-radius: 60% 60% 20% 20% / 60% 60% 30% 30%;
    box-shadow: 0 10px 20px rgba(0, 92, 151, 0.15);
    text-align: center;
    padding: 30px 20px 180px;
    position: relative;
    transition: all .4s;
    overflow: hidden;
}

.page-vision-re-list-item img {
    position: absolute;
    height: 140px;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    opacity: .65;
}

.page-vision-re-list-item:hover {
    transform: scale(1.05);
}

.page-vision-re-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 20px;
    z-index: 1;
}

.page-vision-re-list-item:nth-child(1) {
    box-shadow: 0 30px 10px -10px rgba(80, 196, 242, 0.8), 0 4px 8px rgba(0, 0, 0, .17);
}

.page-vision-re-list-item:nth-child(2) {
    box-shadow: 0 30px 10px -10px rgba(51, 153, 204, 0.8), 0 4px 8px rgba(0, 0, 0, .17);
}

.page-vision-re-list-item:nth-child(3) {
    box-shadow: 0 30px 10px -10px rgba(42, 167, 155, 0.8), 0 4px 8px rgba(0, 0, 0, .17);
}

.page-vision-re-list-item:nth-child(4) {
    box-shadow: 0 30px 10px -10px rgba(42, 61, 102, 0.8), 0 4px 8px rgba(0, 0, 0, .17);
}

.page-vision-re-list-item:nth-child(1) .page-vision-re-icon {
    background-color: #50c4f2;
    box-shadow: 0 15px 30px rgba(80, 196, 242, 0.4);
}

.page-vision-re-list-item:nth-child(2) .page-vision-re-icon {
    background-color: #3399cc;
    box-shadow: 0 15px 30px rgba(51, 153, 204, 0.4);
}

.page-vision-re-list-item:nth-child(3) .page-vision-re-icon {
    background-color: #2aa79b;
    box-shadow: 0 15px 30px rgba(42, 167, 155, 0.4);
}

.page-vision-re-list-item:nth-child(4) .page-vision-re-icon {
    background-color: #2a3d66;
    box-shadow: 0 15px 30px rgba(42, 61, 102, 0.4);
}

.page-vision-re-content {
    font-size: 17px;
    line-height: 1.5;
    color: #040404;
    font-weight: 400;
}

svg path {
    fill: none;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 6 6;
    animation: flow 6s linear infinite;
}

@keyframes flow {
    0% {
        stroke-dashoffset: 0;
    }

    100% {
        stroke-dashoffset: -30;
    }
}

.device-wrapper {
    width: 100%;
    max-width: calc(100vw - 40px);
    background: #e0f5f8;
    display: flex;
    flex-direction: row;
    gap: 20px 100px;
    padding: 10px;
    align-items: center;
    position: relative;
    flex-wrap: wrap;
    justify-content: center;
}

.device-header {
    position: absolute;
    text-align: left;
    width: 120px;
    top: 80px;
    left: 76px;
    text-align: center;
    background-color: #f05db7;
}

.label {
    color: white;
    font-weight: bold;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

.device-image {
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.device-image img {
    width: 260px;
}

.device-caption {
    margin-top: 1rem;
    background-color: #4276e6;
    color: white;
    font-weight: bold;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
}

.installation-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.step-number {
    background: #00bcd4;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    padding: 0.5rem 1rem;
    border-radius: 10px;
}

.step-text {
    font-size: 1rem;
}

.flow-diagrams {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.diagram img {
    width: 200px;
    height: 200px;
    border: 1px solid #999;
    padding: 4px;
    background: white;
}

.diagram-caption {
    margin-top: 1rem;
    text-align: center;
    background-color: white;
    color: #4276e6;
    font-weight: bold;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}