/* CSS */
    /* --- 1. Global Reset & Base --- */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        background-color: #ffffff;
        font-size: 16px;
        font-weight: 400;
        line-height: 1.4;
        color: #333;
        word-break: keep-all;
    }
    ul,
    ol {
        list-style: none;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    button {
        border: none;
        background: none;
        cursor: pointer;
    }
    img {
        display: block;
        max-width: 100%;
        height: auto;
    }
    /* --- 2. Global Layout --- */
    .wrap,
    .container {
        width: 100%;
        max-width: 1280px; /* 콘텐츠 최대 너비 */
        margin: 0 auto;
        padding: 0 20px;
    }
    .container-fluid {
        width: 100%;
        padding: 0 20px;
    }

    /* --- 3. Global Reusable Components --- */
    .section-tag {
        font-size: 16px;
        font-weight: 600;
        color: #072646; /* New Primary Blue */
        margin-bottom: 8px;
    }
    .section-title {
        font-size: 42px;
        font-weight: 700;
        line-height: 1.4;
        color: #222;
        margin-bottom: 20px;
    }
    .section-desc {
        font-size: 18px;
        line-height: 1.7;
        color: #555;
        margin-bottom: 50px;
    }
    .section-header {
        text-align: center;
        margin-bottom: 60px;
    }
    .section-header .tag {
        font-size: 18px;
        font-weight: 500;
        color: #072646; /* New Primary Blue */
        letter-spacing: 6px;
        margin-bottom: 8px;
    }
    .section-header .titlect {
        font-size: 42px;
        font-weight: 700;
        line-height: 1.4;
        color: #222;
        margin-bottom: 20px;
    }
    .section-header .desc {
        font-size: 18px;
        line-height: 1.7;
        color: #555;
    }
    /* --- 4. Responsive Helper Classes --- */
    .m_br {
        display: none;
    }
    .pc_br {
        display: block;
    }

    @media (max-width: 1024px) {
        .section-title,
        .section-header .titlect {
            font-size: 36px;
        }
        .section-desc,
        .section-header .desc {
            font-size: 17px;
        }
    }
    @media (max-width: 767px) {
        .m_br {
            display: block;
        }
        .pc_br {
            display: none;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header .tag {
            font-size: 14px;
            font-weight: 500;
            color: #072646; /* New Primary Blue */
            letter-spacing: 2px;
            margin-bottom: 8px;
        }
        .section-title,
        .section-header .titlect {
            font-size: 24px;
            margin-bottom: 15px;
        }
        .section-desc,
        .section-header .desc {
            font-size: 16px;
            margin-bottom: 20px;
        }
    }

    /* --- Header Styles --- */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1000;
        width: 100%;
        height: 90px;
        background-color: transparent;
        transition: background-color 0.3s, box-shadow 0.3s, height 0.4s ease-out;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
    .header.scrolled {
        box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
        background-color: rgba(255, 255, 255, 1);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid #eee;
    }
    .header.menu-open {
        height: 350px; /* 메가메뉴 높이에 맞게 조절 */
        background-color: #fff;
        border-bottom: 1px solid #eee;
    }
    .header .wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 90px;
    }
    .header .logo {
        z-index: 2;
        width: 200px;
        height: auto;
        margin-top: 0px;
    }
    .header .logo img {
        width: 100%;
        transition: opacity 0.3s;
    }
    .header .logo .logo-dark {
        display: block;
    }
    .header .logo .logo-white {
        display: none;
    }
    /* --- Desktop Navigation --- */
    .nav-desktop {
        display: flex;
        align-items: center;
        height: 100%;
    }
    .nav-desktop .gnb {
        display: flex;
    }
    .nav-desktop .gnb > li > a {
        display: flex;
        align-items: center;
        position: relative;
        height: 90px;
        padding: 0 28px;
        font-size: 20px;
        font-weight: 500;
        color: #343a40; /* 기본 텍스트 색상 (스크롤 전) */
        transition: color 0.3s;
    }
    /* 스크롤 전 투명 배경일 때 텍스트 색상 (흰색) */
    .header:not(.scrolled):not(.menu-open) .nav-desktop .gnb > li > a {
        color: #ffffff;
    }
    /* 스크롤 전 모바일 트리거 색상 (흰색) */
    .header:not(.scrolled):not(.menu-open) #menu-toggle {
        color: #ffffff;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }
    /* 스크롤 전/메뉴 닫혔을 때 (투명 배경) 흰색 로고 표시 */
    .header:not(.scrolled):not(.menu-open) .logo .logo-white {
        display: block;
    }
    .header:not(.scrolled):not(.menu-open) .logo .logo-dark {
        display: none;
    }
    .nav-desktop .gnb > li > a:hover {
        color: #072646; /* Updated Color */
    }
    /* 스크롤 안됐을 때 호버 색상 */
    .header:not(.scrolled):not(.menu-open) .nav-desktop .gnb > li > a:hover {
        color: #ddd;
    }
    .nav-desktop .gnb > li > a::after {
        position: absolute;
        bottom: 20px;
        left: 50%;
        width: 0;
        height: 2px;
        background-color: #072646; /* Updated Color */
        transition: width 0.3s;
        content: "";
        transform: translateX(-50%);
    }
    /* 스크롤 안됐을 때 밑줄 색상 */
    .header:not(.scrolled):not(.menu-open) .nav-desktop .gnb > li > a::after {
        background-color: #ffffff;
    }
    .nav-desktop .gnb > li:hover > a::after {
        width: calc(100% - 56px);
    }

    /* --- Mega Menu --- */
    .mega-menu-panel {
        position: absolute;
        top: 90px;
        left: 0;
        z-index: 1;
        width: 100%;
        visibility: hidden;
        padding: 30px 0;
        transition: opacity 0.4s ease-out, transform 0.4s ease-out, visibility 0.4s;
        opacity: 0;
        transform: translateY(-10px);
        border-top: 1px solid #eee;
    }
    .header.menu-open .mega-menu-panel {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
    }
    .mega-menu-panel .wrap {
        display: flex;
        gap: 60px;
        align-items: flex-start;
        justify-content: flex-start;
        height: auto;
    }
    .submenu-column.megaf {
        margin-left: 260px;
    }
    .submenu-column {
        max-width: 190px;
    }
    .submenu-column h4 {
        font-size: 19px;
        font-weight: 700;
        color: #000; /* Updated Color */
        margin-bottom: 5px;
        padding-bottom: 10px;
    }
    .submenu-column ul li a {
        display: block;
        padding: 9px 0;
        font-size: 16px;
        color: #495057;
        transition: color 0.3s, transform 0.3s;
    }
    .submenu-column ul li a:hover {
        color: #072646; /* Updated Color */
        transform: translateX(4px);
    }

    /* --- Header Responsive --- */
    @media (max-width: 1024px) {
        .nav-desktop,
        .mega-menu-panel {
            display: none;
        }
        .header .wrap {
            height: 80px;
        }
        .header,
        .header.menu-open {
            height: 80px;
        }
        #menu-toggle {
            display: flex;
        }
        .header .logo {
            z-index: 2;
            width: 140px;
            height: auto;
        }
    }
    @media (max-width: 767px) {
        .header,
        .header.menu-open {
            height: 70px;
        }
        .header .wrap {
            height: 70px;
        }
        .header .logo {
            width: 140px;
            height: auto;
        }
        #menu-toggle {
            top: 10px;
            right: 15px;
        }
    }
    /* --- Hero Section Styles --- */
    .hero {
        position: relative;
        height: 100vh;
        min-height: 700px;
        overflow: hidden;
        background-color: #222;
    }
    .hero .slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        transition: opacity 1.5s ease-in-out;
        opacity: 0;
    }
    .hero .slide.active {
        opacity: 1;
    }
    .hero .hero-bg {
        width: 100%;
        height: 100%;
        transition: transform 8s ease-out;
        object-fit: cover;
        transform: scale(1.1);
    }
    .hero .slide.active .hero-bg {
        transform: scale(1);
    }
    .hero .overlay {
        position: absolute;
        top: 0;
        left: 0;
        z-index: 1;
        width: 100%;
        height: 100%;
        /* New Color Gradient */
        background: linear-gradient(to right, rgba(7, 38, 70, 0.7), rgba(0, 0, 0, 0.5));
    }
    .hero .container {
        position: absolute;
        top: 50%;
        left: 50%;
        z-index: 2;
        width: 90%;
        max-width: 1280px;
        padding: 0;
        color: #ffffff;
        text-align: center;
        transform: translate(-50%, -50%);
    }
    .hero .title {
        color: #fff;
        font-size: 68px;
        font-weight: 400;
        line-height: 1.3;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        transition: transform 0.8s ease-out, opacity 0.8s ease-out;
        margin-bottom: 24px;
        transform: translateY(20px);
        opacity: 0;
    }
    .hero .title span {
        font-weight: 700;
    }
    .hero .subtitle {
        max-width: 600px;
        margin: 0 auto;
        font-size: 26px;
        font-weight: 400;
        line-height: 1.6;
        transition: transform 0.8s ease-out 0.2s, opacity 0.8s ease-out 0.2s;
        transform: translateY(20px);
        opacity: 0;
    }
    .hero .slide.active .title,
    .hero .slide.active .subtitle {
        transform: translateY(0);
        opacity: 1;
    }
    .hero-controls {
        display: flex;
        gap: 12px;
        align-items: center;
        position: absolute;
        bottom: 40px;
        left: 50%;
        z-index: 3;
        transform: translateX(-50%);
    }
    .hero-controls .dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.5);
        transition: all 0.4s ease;
        cursor: pointer;
    }
    .hero-controls .dot.active {
        background: #ffffff;
        transform: scale(1.2);
    }
    .scroll-indicator {
        display: flex;
        gap: 8px;
        align-items: center;
        position: absolute;
        bottom: 40px;
        left: 50px;
        z-index: 3;
        font-size: 14px;
        font-weight: 500;
        color: #fff;
        opacity: 0.8;
    }
    .scroll-indicator .icon {
        animation: bounce 2s infinite ease-out;
    }
    @keyframes bounce {
        0%,
        20%,
        50%,
        80%,
        100% {
            transform: translateY(0);
        }
        40% {
            transform: translateY(-8px);
        }
        60% {
            transform: translateY(-4px);
        }
    }
    /* --- Hero Responsive --- */
    @media (max-width: 1024px) {
        .hero .title {
            font-size: 52px;
        }
        .hero .subtitle {
            font-size: 18px;
        }
        .scroll-indicator {
            display: none;
        }
    }
    @media (max-width: 767px) {
        .hero {
            min-height: 600px;
            height: 70vh;
        }
        .hero .title {
            font-size: 32px;
            margin-bottom: 10px;
        }
        .hero .subtitle {
            font-size: 16px;
        }
        .hero-controls {
            bottom: 30px;
        }
    }
    /* --- Core Services Section Styles --- */
    .core {
        padding: 120px 0;
        background-color: #f9fafb;
    }
    .core .grid {
        display: grid;
        gap: 24px;
        grid-template-columns: repeat(4, 1fr);
    }
    .core .item {
        position: relative;
        height: 480px;
        border-radius: 12px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        overflow: hidden;
        background-color: #333;
        transition: transform 0.4s ease, box-shadow 0.4s ease;
        cursor: pointer;
    }
    .core .item:hover {
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        transform: translateY(-12px);
    }
    .core .item img {
        width: 100%;
        height: 100%;
        transition: transform 0.5s ease;
        object-fit: cover;
    }
    .core .item:hover img {
        transform: scale(1.05);
    }
    .core .item .content {
        position: absolute;
        bottom: 0;
        left: 0;
        z-index: 2;
        width: 100%;
        padding: 32px 24px;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.7) 40%, transparent 100%);
        color: #ffffff;
        transition: background 0.4s ease;
    }
    .core .item h3 {
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 10px;
    }
    .core .item p {
        max-height: 0;
        overflow: hidden;
        font-size: 16px;
        line-height: 1.5;
        transition: max-height 0.4s ease, opacity 0.4s ease;
        opacity: 0;
    }
    .core .item:hover .content {
        background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.8) 50%, transparent 100%);
    }
    .core .item:hover p {
        max-height: 100px;
        opacity: 0.85;
        margin-top: 10px;
    }
    /* --- Core Services Responsive --- */
    @media (max-width: 1024px) {
        .core {
            padding: 100px 0;
        }
        .core .grid {
            gap: 20px;
            grid-template-columns: repeat(2, 1fr);
        }
        .core .item {
            height: 420px;
        }
    }
    @media (max-width: 767px) {
        .core {
            padding: 80px 0;
        }
        .core .grid {
            gap: 16px;
            grid-template-columns: 1fr; /* 1열 */
        }
        .core .item {
            height: 400px;
        }
        .core .item p {
            /* 모바일에선 항상 설명 보이도록 */
            max-height: 100px;
            opacity: 0.85;
            margin-top: 10px;
        }
    }
    /* --- Sustainability Section Styles --- */
    .sustainability {
        position: relative;
        padding: 120px 0;
        overflow: hidden;
    }
    .sustainability-bg-wrapper {
        position: absolute;
        top: 0;
        left: 0;
        z-index: 1;
        width: 100%;
        height: 100%;
        /* background-image는 HTML img 태그로 대체 */
        background-color: #222; /* Fallback */
    }
    .sustainability-bg-wrapper img {
        /* 이미지 태그에 대한 스타일 추가 */
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 1;
        filter: blur(1px);
        opacity: 0.95;
    }
    .sustainability-bg-wrapper .overlay {
        width: 100%;
        height: 100%;
        /* New Color Gradient */
        background: linear-gradient(#072646, #0a3360);
        opacity: 0.8;
        position: relative; /* img 태그 위에 오도록 z-index 설정 */
        z-index: 2;
    }
    .sustainability .container {
        position: relative;
        z-index: 3; /* 오버레이보다 위에 오도록 */
    }
    .sustainability .section-header .tag {
        color: #fff;
    }
    .sustainability .section-header .titlect,
    .sustainability .section-header .desc {
        color: #ffffff;
    }
    .sustainability .grid {
        display: grid;
        gap: 24px;
        grid-template-columns: repeat(4, 1fr);
    }
    .sustainability .item {
        padding: 30px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 12px;
        background-color: rgba(255, 255, 255, 0.25); /* 반투명 배경 */
        text-align: center;
        transition: background-color 0.3s, transform 0.3s;
    }
    .sustainability .item:hover {
        background-color: rgba(7, 38, 70, 0.5); /* New Color */
        transform: translateY(-8px);
    }
    .sustainability .item .icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 80px;
        height: 80px;
        border: 0px solid rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        background-color: rgba(255, 255, 255, 0);
        margin-bottom: 5px;
    }
    .sustainability .item .icon .material-symbols-outlined {
        font-size: 56px;
        font-weight: 300;
        color: #ffffff;
    }
    .sustainability .item h3 {
        font-size: 22px;
        font-weight: 700;
        color: #ffffff;
        margin-bottom: 12px;
    }
    .sustainability .item p {
        font-size: 16px;
        line-height: 1.7;
        color: #e0e0e0;
    }
    /* --- Sustainability Responsive --- */
    @media (max-width: 1024px) {
        .sustainability {
            padding: 100px 0;
        }
        .sustainability .grid {
            gap: 30px;
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 767px) {
        .sustainability {
            padding: 80px 0;
        }
        .sustainability .grid {
            gap: 40px;
            grid-template-columns: 1fr;
        }
    }

    /* --- [신규] Technology Section Styles --- */
    .technology-section {
        padding: 120px 0;
        background-color: #ffffff; /* 흰색 배경 */
    }
    .technology-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
        align-items: center;
    }
    .technology-content .section-tagline {
        font-size: 18px;
        font-weight: 500;
        color: #072646; /* 메인 컬러 */
        letter-spacing: 6px;
        margin-bottom: 12px;
    }
    .technology-content .section-title {
        font-size: 42px;
        font-weight: 700;
        color: #222;
        line-height: 1.4;
        margin-bottom: 20px;
    }
    .technology-content .section-description {
        font-size: 18px;
        color: #555;
        line-height: 1.7;
        margin-bottom: 40px;
    }
    .technology-content .section-button {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 16px 32px;
        border: 1px solid #ddd;
        border-radius: 8px; /* 둥근 모서리 */
        font-size: 16px;
        font-weight: 600;
        color: #333;
        transition: all 0.3s ease;
    }
    .technology-content .section-button:hover {
        background-color: #f8f8f8;
        border-color: #bbb;
        transform: translateY(-2px);
    }
    .technology-section .img-wrapper {
        border-radius: 12px;
        overflow: hidden;

    }
    .technology-section .img-wrapper img {
        border-radius: 12px;
        width: 100%;
        height: auto;
        object-fit: cover;
    }

    /* --- [신규] Technology Section Responsive --- */
    @media (max-width: 1024px) {
        .technology-section {
            padding: 80px 0;
        }
        .technology-container {
            grid-template-columns: 1fr;
            text-align: center;
            gap: 40px;
        }
        .technology-content .section-button {
            margin: 0 auto;
        }
        .technology-content .section-title {
            font-size: 36px;
        }
    }
    @media (max-width: 767px) {
        .technology-content .section-title {
            font-size: 24px;
        }
        .technology-content .section-description {
            font-size: 16px;
        }
    }

    /* --- Performance Section Styles --- */
    .performance {
        padding: 120px 0 80px 0;
        background-color: #f9fafb;
    }
    .performance .grid {
        display: grid;
        gap: 30px;
        text-align: center;
        grid-template-columns: repeat(4, 1fr);
    }
    .performance .item .number {
        font-size: 64px;
        font-weight: 700;
        line-height: 1.1;
        color: #072646; /* New Primary Blue */
        margin-bottom: 10px;
    }
    .performance .item .number span {
        font-size: 40px;
        font-weight: 600;
        color: #333;
        margin-left: 4px;
    }
    .performance .item .desc {
        font-size: 18px;
        font-weight: 500;
        color: #333;
    }
    /* --- Logo Scroller Styles --- */
    .logo-scroller-section {
        padding: 120px 0 120px 0;
        background-color: #f9fafb;
        overflow-x: hidden;
    }
    .logo-scroller {
        width: 100%;
        overflow: hidden;
        -webkit-mask: linear-gradient(90deg, transparent, white 20%, white 80%, transparent);
        mask: linear-gradient(90deg, transparent, white 20%, white 80%, transparent);
    }
    .logo-scroller:last-child {
        margin-top: 24px;
    }
    .logo-track {
        display: flex;
        width: max-content;
        animation-duration: 40s;
        animation-timing-function: linear;
        animation-iteration-count: infinite;
    }
    .logo-scroller[data-direction="ltr"] .logo-track {
        animation-name: scroll-ltr;
    }
    .logo-scroller[data-direction="rtl"] .logo-track {
        animation-name: scroll-rtl;
    }
    .logo-item {
        display: flex;
        align-items: center;
        padding: 0 40px;
        opacity: 0.8;
    }
    .logo-item img {
        max-width: 150px;
        max-height: 80px; /* 플레이스홀더 높이 제한 */
        transition: filter 0.3s, opacity 0.3s;
        filter: grayscale(100%);
        opacity: 0.6;
    }
    .logo-item:hover img {
        filter: grayscale(0%);
        opacity: 1;
    }
    @keyframes scroll-ltr {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(-50%);
        }
    }
    @keyframes scroll-rtl {
        0% {
            transform: translateX(-50%);
        }
        100% {
            transform: translateX(0);
        }
    }
    /* --- Performance Responsive --- */
    @media (max-width: 1024px) {
        .performance {
            padding: 100px 0 60px 0;
        }
        .performance .grid {
            gap: 40px;
            grid-template-columns: repeat(2, 1fr);
        }
        .logo-scroller-section {
            padding: 60px 0 100px 0;
        }
    }
    @media (max-width: 767px) {
        .performance {
            padding: 80px 0 50px 0;
        }
        .performance .grid {
            gap: 30px;
            grid-template-columns: repeat(2, 1fr);
        }
        .performance .item .number {
            font-size: 36px;
        }
        .performance .item .number span {
            font-size: 14px;
        }
        .performance .item .desc {
            font-size: 14px;
        }
        .logo-scroller-section {
            padding: 50px 0 80px 0;
        }
        .logo-item {
            padding: 0 20px;
        }
        .logo-item img {
            max-width: 120px;
        }
    }

    /* Gallery Styles */
    .gallery {
        width: 100%;
        padding: 100px 0;
        background-color: #ffffff;
    }
    .gallery .inner {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }
    .gallery .header {
        text-align: center;
        margin-bottom: 50px;
    }
    .gallery .header h2 {
        font-size: 38px;
        font-weight: 600;
        color: #212529;
        margin-bottom: 12px;
    }
    .gallery .header h2 span {
        color: #072646; /* New Color */
    }
    .gallery .header h3 {
        font-size: 18px;
        font-weight: 400;
        color: #6c757d;
        line-height: 1.6;
    }
    .gallery .gslider-container {
        position: relative;
    }
    .gallery .gslider {
        display: flex;
        overflow-x: auto;
        scroll-behavior: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .gallery .gslider::-webkit-scrollbar {
        display: none;
    }
    .gallery .item {
        flex: 0 0 calc(100% / 3);
        padding: 0 10px;
        text-align: center;
    }
    .gallery .item a {
        display: block;
        border: 1px solid #e9ecef;
        border-radius: 8px;
        overflow: hidden;
        transition: box-shadow 0.3s ease;
    }
    .gallery .item a:hover {
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    }
    .gallery .item .img {
        width: 100%;
 height:auto;
    }
    .gallery .item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .gallery .item .txt {
        padding: 15px;
        font-size: 16px;
        font-weight: 500;
        color: #343a40;
        background-color: #ffffff;
        border-top: 1px solid #e9ecef;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .gallery .btn-nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 10;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background-color: rgba(255, 255, 255, 0.9);
        border: 1px solid #dee2e6;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        color: #343a40;
        font-size: 18px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s ease;
    }
    .gallery .btn-nav:hover {
        background-color: #ffffff;
        transform: translateY(-50%) scale(1.05);
    }
    .gallery .btn-prev {
        left: -22px;
    }
    .gallery .btn-next {
        right: -22px;
    }
    @media (max-width: 1024px) {
        .gallery .item {
            flex-basis: calc(100% / 2);
        }
        .gallery .inner {
            padding: 0 40px;
        }
        .gallery .btn-prev {
            left: 10px;
        }
        .gallery .btn-next {
            right: 10px;
        }
        .gallery .header h2 {
            font-size: 32px;
        }
        .gallery .header h3 {
            font-size: 16px;
        }
    }
    @media (max-width: 767px) {
        .gallery {
            padding: 60px 0;
        }
        .gallery .inner {
            padding: 0;
        }
        .gallery .header {
            padding: 0 20px;
        }
        .gallery .item {
            flex-basis: 100%;
            padding: 0 15px;
            scroll-snap-align: center;
        }
        .gallery .gslider {
            padding: 0 50px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
        }
        .gallery .btn-nav {
            display: none;
        }
        .gallery .header h2 {
            font-size: 28px;
        }
        .gallery .header h3 {
            font-size: 15px;
        }
    }

    /* --- PR Center Section Styles --- */
    .pr-center {
        padding: 120px 0;
        background-color: #f9fafb;
    }
    .pr-center .grid {
        display: grid;
        gap: 24px;
        grid-template-columns: repeat(3, 1fr);
    }
    .pr-center .item {
        border: 1px solid #eee;
        border-radius: 12px;
        overflow: hidden;
        background-color: #ffffff;
        transition: transform 0.4s ease, box-shadow 0.4s ease;
        cursor: pointer;
    }
    .pr-center .item:hover {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
        transform: translateY(-8px);
    }
    .pr-center .item.image-card .img {
        width: 100%;
        height: 250px;
    }
    .pr-center .item.image-card .img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .pr-center .item .content {
        padding: 30px;
    }
    .pr-center .item h3 {
        font-size: 22px;
        font-weight: 700;
        color: #222;
        margin-bottom: 10px;
    }
    .pr-center .item p {
        font-size: 16px;
        color: #555;
        margin-bottom: 25px;
    }
    .pr-center .item .arrow-link {
        display: inline-flex;
        align-items: center;
        font-size: 16px;
        font-weight: 600;
        color: #072646; /* Updated Color */
    }
    .pr-center .item .arrow-link .material-symbols-outlined {
        font-size: 20px;
        transition: transform 0.3s ease;
        margin-left: 4px;
    }
    .pr-center .item:hover .arrow-link .material-symbols-outlined {
        transform: translateX(5px);
    }
    /* --- PR Center Responsive --- */
    @media (max-width: 1024px) {
        .pr-center {
            padding: 100px 0;
        }
        .pr-center .grid {
            grid-template-columns: 1fr;
        }
        .pr-center .item.image-card {
            display: flex;
            align-items: center;
        }
        .pr-center .item.image-card img {
            width: 40%;
            height: 280px;
        }
        .pr-center .item.image-card .content {
            width: 60%;
        }
    }
    @media (max-width: 767px) {
        .pr-center {
            padding: 80px 0;
        }
        .pr-center .item.image-card {
            display: block;
        }
        .pr-center .item.image-card img {
            width: 100%;
            height: 200px;
        }
        .pr-center .item.image-card .content {
            width: 100%;
        }
    }

    /* --- CTA Banner Section Styles (UI/UX Upgrade) --- */
    .cta-banner {
        position: relative;
        padding: 100px 0;
        overflow: hidden;
        background-color: #ffffff;
    }
    .cta-banner-bg-wrapper {
        position: absolute;
        top: 0;
        left: 0;
        z-index: 1;
        width: 100%;
        height: 100%;
        background-color: #222; /* Fallback */
    }
    .cta-banner-bg-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 1;
    }
    .cta-banner-bg-wrapper .overlay {
        width: 100%;
        height: 100%;
        background-color: rgba(7, 38, 70, 0.85); /* New Color, 85% opacity */
        position: relative;
        z-index: 2;
    }
    .cta-banner .container {
        display: grid;
        gap: 60px;
        align-items: flex-start;
        position: relative;
        z-index: 3; /* 오버레이보다 위에 오도록 */
        grid-template-columns: 1fr 1fr;
    }
    .cta-banner .cta-left-column {
    }
    .cta-banner .cta-content {
        text-align: left;
    }
    .cta-banner .section-tagline {
        font-size: 16px;
        font-weight: 500;
        color: #fff; /* White for dark background */
        letter-spacing: 2px;
        margin-bottom: 12px;
    }
    .cta-banner .section-title {
        font-size: 36px;
        font-weight: 700;
        color: #fff;
        text-align: left;
        margin-bottom: 16px;
        line-height: 1.3;
    }
    .cta-banner .section-desc {
        margin: 0;
        font-size: 18px;
        color: #e0e0e0; /* 밝은 회색 */
        text-align: left;
        margin-bottom: 30px;
        line-height: 1.7;
    }

    /* --- 신규: 직접 연락처 정보 (첨부파일 스타일) --- */
    .direct-contact-info {
        margin-top: 40px;
        padding-top: 30px;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
    }
    .direct-contact-info h4 {
        font-size: 20px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 15px;
    }
    .direct-contact-info p.phone {
        font-size: 28px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
    }
    .direct-contact-info p.email {
        font-size: 18px;
        font-weight: 400;
        color: #eee;
    }
    .direct-contact-info .social-buttons {
        display: flex;
        gap: 15px;
        margin-top: 25px;
    }
    .direct-contact-info .social-buttons .social-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 24px;
        border-radius: 8px;
        font-size: 16px;
        font-weight: 600;
        text-decoration: none;
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .direct-contact-info .social-buttons .social-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }
    .direct-contact-info .social-buttons .social-btn i {
        font-size: 20px;
    }
    .direct-contact-info .social-buttons .social-btn.kakao {
        background-color: #fee500;
        color: #191919;
    }
    .direct-contact-info .social-buttons .social-btn.blog {
        background-color: #03c75a;
        color: #fff;
    }

    /* --- 기존 카드 숨김 --- */
    .cta-banner .contact-channels-container {
        display: none;
    }

    /* --- 신규: 네이티브 폼 컨테이너 --- */
    .quote-form-container {
        padding: 30px;
        background: rgba(0, 0, 0, 0.2); /* 어두운 배경과 어울리게 반투명 الأسود */
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    .quote-form-container h3 {
        font-size: 24px;
        font-weight: 700;
        color: #ffffff; /* 흰색 제목 */
        margin-bottom: 25px;
        text-align: left;
    }

    /* --- 신규: 네이티브 폼 스타일 --- */
    .native-form .form-group {
        margin-bottom: 20px;
    }
    .native-form .form-label {
        display: block;
        font-size: 15px;
        font-weight: 500;
        color: #e0e0e0; /* 밝은 회색 레이블 */
        margin-bottom: 8px;
    }
    .native-form .form-input,
    .native-form .form-textarea {
        width: 100%;
        padding: 14px 18px;
        font-size: 16px;
        color: #ffffff; /* 입력 텍스트 흰색 */
        background-color: rgba(0, 0, 0, 0.3); /* 어둡고 반투명한 배경 */
        border: 1px solid rgba(255, 255, 255, 0.3); /* 밝은 테두리 */
        border-radius: 8px;
        transition: border-color 0.3s, box-shadow 0.3s;
    }
    .native-form .form-input::placeholder,
    .native-form .form-textarea::placeholder {
        color: #999;
    }
    .native-form .form-input:focus,
    .native-form .form-textarea:focus {
        outline: none;
        border-color: #007bff; /* 파란색 포커스 */
        box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.3);
    }
    .native-form .form-textarea {
        height: 120px;
        resize: vertical;
    }
    .native-form .form-submit-btn {
        width: 100%;
        padding: 16px;
        font-size: 18px;
        font-weight: 600;
        color: #fff;
        background-color: #007bff; /* 밝은 파란색 버튼 */
        border: none;
        border-radius: 8px;
        cursor: pointer;
        transition: background-color 0.3s, transform 0.3s;
    }
    .native-form .form-submit-btn:hover {
        background-color: #0056b3; /* 더 어두운 파란색 */
        transform: translateY(-2px);
    }

    /* --- 기존 iframe 숨김 --- */
    .quote-form-container iframe {
        display: none;
    }

    @media (max-width: 1024px) {
        .cta-banner .container {
            gap: 40px;
            grid-template-columns: 1fr;
        }
        .native-form .form-label {text-align:left;}
    }
    @media (max-width: 767px) {
        .cta-banner {
            padding: 60px 0;
        }
        .cta-banner .container {
            text-align: center;
        }
        .cta-banner .cta-left-column,
        .cta-banner .cta-content,
        .cta-banner .section-title,
        .cta-banner .section-desc {
            text-align: center;
        }
        .cta-banner .section-title {
            font-size: 28px;
        }
        .cta-banner .section-desc {
            font-size: 16px;
            margin-bottom: 24px;
        }
        .direct-contact-info .social-buttons {
            justify-content: center;
        }
        .quote-form-container {
            padding: 24px;
        }
        .quote-form-container h3 {
            text-align: center;
        }
    }

    /* --- Footer Styles --- */
    #footer {
        padding: 60px 0;
        background-color: #000;
        font-size: 15px;
        line-height: 1.8;
        color: #adb5bd;
    }
    #footer .container {
        max-width: 1280px;
    }
    #footer .footer-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 30px;
        margin-bottom: 30px;
        border-bottom: 1px solid #495057;
    }
    #footer .footer-logo img {
        max-width: 180px;
        opacity: 0.7;
    }
    #footer .footer-nav {
        display: flex;
        gap: 24px;
    }
    #footer .footer-nav a {
        font-size: 16px;
        font-weight: 500;
        color: #fbfbfb;
        text-decoration: none;
        transition: color 0.3s;
    }
    #footer .footer-nav a:hover {
        color: #007bff; /* New Accent Color */
    }
    #footer .footer-bottom {
        display: flex;
        gap: 20px;
        align-items: flex-end;
        justify-content: space-between;
    }
    #footer .footer-info p {
        margin-bottom: 8px;
    }
    #footer .footer-info span {
        display: inline-block;
        position: relative;
        margin-right: 16px;
    }
    #footer .footer-info p span:last-child {
        margin-right: 0;
    }
    #footer .footer-info p span:not(:last-child)::after {
        position: absolute;
        top: 50%;
        right: -10px;
        font-size: 12px;
        color: #495057;
        content: "|";
        transform: translateY(-50%);
    }
    #footer .copyright {
        font-size: 14px;
        color: #868e96;
        margin-top: 20px;
    }
    #footer .footer-call {
        text-align: right;
        white-space: nowrap;
    }
    #footer .footer-call strong {
        font-size: 16px;
        font-weight: 500;
        color: #fbfbfb;
    }
    #footer .footer-call .tel {
        display: block;
        font-size: 32px;
        font-weight: 700;
        color: #ffffff;
        margin-top: 0px;
    }
    .m_br_span {
        display: inline-block;
    }
    @media (max-width: 1024px) {
        #footer .footer-top {
            gap: 20px;
            align-items: flex-start;
            flex-direction: column;
        }
        #footer .footer-bottom {
            gap: 30px;
            align-items: flex-start;
            flex-direction: column;
        }
        #footer .footer-call {
            text-align: left;
        }
    }
    @media (max-width: 767px) {
        #footer {
            padding: 40px 0;
        }
        #footer .footer-top {
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 20px;
        }
        #footer .footer-logo img {
            max-width: 160px;
        }
        #footer .footer-nav {
            gap: 12px 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        #footer .footer-nav a {
            font-size: 14px;
        }
        #footer .footer-bottom {
            align-items: center;
            text-align: center;
        }
        #footer .footer-info p {
            margin-bottom: 0;
        }
        #footer .footer-info span {
            display: block;
            margin: 4px 0;
        }
        #footer .footer-info p span::after {
            display: none;
        }
        .m_br_span {
            display: block;
        }
        #footer .copyright {
            font-size: 12px;
            margin-top: 16px;
        }
        #footer .footer-call {
            text-align: center;
            display: none;
        }
        #footer .footer-call .tel {
            font-size: 24px;
        }
    }

    .quick-menu {
        display: flex;
        gap: 12px;
        flex-direction: column;
        position: fixed;
        bottom: 20%;
        right: 30px;
        z-index: 998;
        transform: translateY(-50%);
    }
    .quick-menu a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
        background-color: #fff;
        transition: transform 0.3s;
    }
    .quick-menu a:hover {
        transform: scale(1.1);
    }
    .quick-menu .kakao {
        background-color: #fee500;
        color: #191919;
        font-size: 28px;
    }
    .quick-menu .mail {
        background-color: #2563eb; /* New Color */
        color: #fff;
        font-size: 28px;
    }
    .quick-menu .blog {
        background-color: #03c75a;
        color: #fff;
        font-size: 28px;
    }
    .bottom-bar-mobile {
        display: none;
    }

    @media (max-width: 768px) {
        .quick-menu {
            gap: 10px;
            right: 5px;
            bottom: 10%;
        }
        .quick-menu a {
            width: 40px;
            height: 40px;
        }
        .quick-menu i {
            font-size: 20px;
        }
        .bottom-bar-mobile {
            display: grid;
            position: fixed;
            right: 0;
            bottom: 0;
            left: 0;
            z-index: 999;
            height: 45px;
            background-color: #fff;
            grid-template-columns: 1.7fr 1fr;
        }
        .bottom-bar-mobile a {
            display: flex;
            gap: 8px;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .bottom-bar-mobile .call {
            background-color: #072646; /* New Color */
            color: #fff;
        }
        .bottom-bar-mobile .sms {
            background-color: #007bff; /* New Accent Color */
            color: #fff;
        }
    }

    #menu-toggle {
        display: none;
        position: fixed;
        top: 20px;
        right: 20px;
        z-index: 1001; /* 1000인 헤더보다 높게 */
        color: #fff;
        border: none;
        cursor: pointer;
        font-size: 16px;
    }

    @media (max-width: 1024px) {
        /* 1024px부터 보이도록 수정 */
        #menu-toggle {
            display: block;
        }
    }

    @media (max-width: 767px) {
        #menu-toggle {
            top: 20px;
            right: 20px;
        }
    }

    #menu-toggle i {
        font-size: 28px;
    }

    .header.scrolled #menu-toggle {
        color: #333;
    }
    /* --- Dimmed Background --- */
    #layoutDimmed {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }
    /* --- Sidebar Container (#aside) --- */
    #aside {
        z-index: 1001;
        visibility: hidden;
        position: fixed;
        top: 0;
        left: -80%; /* Start off-screen */
        bottom: 0;
        width: 80%;
        max-width: 320px;
        background-color: #fff;
        overflow-y: auto;
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        display: flex;
        flex-direction: column;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }
    /* --- Sidebar Content Styles --- */
    #aside .intro {
        padding: 40px 20px 20px 20px;
        text-align: center;
        border-bottom: 1px solid #eee;
    }
    #aside .intro .log {
        width: 150px;
    }
    #aside .intro .log img {
        width: 100%;
    }
    #aside .btnClose {
        position: absolute;
        top: 15px;
        right: 15px;
        background: none;
        border: none;
        font-size: 24px;
        color: #333;
        cursor: pointer;
    }
    #aside .scustom {
        padding: 20px;
        margin-top: auto; /* Push to the bottom */
        background-color: #f8f9fa;
    }
    #aside .scustom h2 {
        font-size: 16px;
        font-weight: 500;
        color: #333;
        margin-bottom: 10px;
    }
    #aside .scustom h3 {
        font-size: 22px;
        font-weight: 700;
    }
    #aside .scustom h3 a {
        color: #072646; /* New Color */
        display: flex;
        align-items: center;
        gap: 5px;
    }
    #aside .scustom h3 a i {
        vertical-align: middle;
        margin-top: 2px;
    }
    /* --- Social Links in Sidebar --- */
    #aside .social-links {
        display: flex;
        justify-content: flex-start;
        gap: 20px;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid #e9ebf0;
    }
    #aside .social-links a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        font-size: 24px;
        text-decoration: none;
        transition: opacity 0.2s ease;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    #aside .social-links a:hover {
        opacity: 0.85;
    }
    #aside .social-links .kakao-link {
        background-color: #fee500;
        color: #191919;
    }
    #aside .social-links .naver-link {
        background-color: #03c75a;
        color: #ffffff;
    }
    /* --- Accordion Menu (#lnb) --- */
    #lnb {
        width: 100%;
        padding: 10px 0;
    }
    #lnb > ul {
        width: 90%;
        margin: 0 auto;
    }
    #lnb > ul > li {
        border-bottom: 1px solid #e9ebf0;
    }
    #lnb > ul > li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 15px 5px;
        font-size: 17px;
        font-weight: 500;
        cursor: pointer;
    }
    #lnb > ul > li > a::after {
        content: "\f078"; /* Font Awesome down arrow */
        font-family: "Font Awesome 6 Free"; /* Font Awesome 6 */
        font-weight: 700;
        font-size: 12px;
        transition: transform 0.3s ease;
    }
    #lnb > ul > li.on > a::after {
        transform: rotate(180deg); /* Rotate arrow up */
    }
    #lnb ul ul {
        display: none; /* Submenus are hidden by default */
        background: #fafcff;
        padding-left: 15px;
    }
    #lnb ul ul li a {
        display: block;
        padding: 12px 10px;
        color: #333;
        font-size: 15px;
    }
    #lnb ul ul li:last-child {
        border-bottom: none;
    }
    /* --- State for when menu is open --- */
    body.expand {
        overflow: hidden; /* Prevent scrolling of main content */
    }
    body.expand #layoutDimmed {
        display: block;
    }
    body.expand #aside {
        visibility: visible;
        left: 0;
    }