/* Global Reset & Typography */
:root {
    --primary-navy: #002752;
    /* Deep Navy Blue */
    --secondary-blue: #0056b3;
    /* Bright Blue for Accents */
    --text-dark: #333333;
    --text-grey: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border-color: #e1e1e1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    word-break: keep-all;
    /* Prevent Korean mid-word breaks globally */
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Header V2 (Clean White Theme) */
.header-v2 {
    background-color: #ffffff;
    /* Solid White */
    height: 90px;
    /* Slightly increased for larger text */
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    /* Subtle grey border */
    position: sticky;
    /* Sticky, NOT absolute */
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    /* Subtle shadow */
}

.header-inner {
    justify-content: space-between;
    gap: 0;
}

.logo img {
    height: 45px;
    /* Slightly larger logo */
    filter: none !important;
    /* ORIGINAL LOGO - NO FILTERS */
    opacity: 1;
}

.gnb-v2 ul {
    display: flex;
    gap: 40px;
}

.gnb-v2 a {
    font-size: 18px;
    /* Increased size */
    font-weight: 700;
    /* Bold */
    color: #333333;
    /* Dark Grey/Black text */
    position: relative;
    letter-spacing: -0.5px;
    /* Tighter spacing for bold text */
    transition: color 0.3s ease;
}

/* Hover Effect: Blue Center-Out Line */
.gnb-v2 a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    /* Slightly thicker line */
    bottom: -5px;
    left: 0;
    background-color: var(--secondary-blue);
    /* Brand Blue Line */
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease-out;
}

.gnb-v2 a:hover::after,
.gnb-v2 a.active::after {
    transform: scaleX(1);
}

.gnb-v2 a:hover,
.gnb-v2 a.active {
    color: var(--secondary-blue);
    /* Brand Blue Text */
    opacity: 1;
}

/* Hero V2 (Video Background) - Added margin-top adjustment if needed for sticky header behavior, but sticky sits in flow */
.video-hero-container {
    background-color: var(--primary-navy);
    color: var(--white);
    height: 600px;
    /* Adjusted height for better visibility */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    /* margin-top: -80px; Remove negative margin as header is now sticky, not absolute overlay */
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    /* Dark overlay */
    z-index: 1;
}

.hero-content-v2.centered-content {
    width: 80%;
    text-align: center;
    z-index: 2;
    padding: 0;
    position: relative;
}

/* Rotating Text Styles (Cinematic Fade) */
.fade-text {
    transition: opacity 0.8s ease-in-out;
    /* Slow and elegant */
    opacity: 1;
}

.fade-text.hidden {
    opacity: 0;
}

.hero-content-v2 h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content-v2 p {
    font-size: 20px;
    opacity: 0.9;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    line-height: 1.5;
}

.hero-sub {
    font-weight: 700;
}

.hero-sub small {
    display: block;
    /* Ensure it breaks to new line naturally if br is missing, or just styling */
    font-weight: 400;
    font-size: 15px;
    margin-top: 5px;
    opacity: 0.8;
}

.hero-divider.center-divider {
    width: 60px;
    height: 4px;
    background-color: var(--secondary-blue);
    margin: 30px auto;
}

/* Section Common */
.section-v2 {
    padding: 100px 0;
}

.section-title-v2 {
    text-align: center;
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 60px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.text-blue {
    color: var(--secondary-blue);
}

/* Product Section */
.product-grid-v2 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.card-v2 {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #f0f0f0;
    display: block;
}

.card-v2:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 39, 82, 0.1);
}

.card-img {
    height: 200px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-img img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    transition: transform 0.3s;
}

.card-v2:hover .card-img img {
    transform: scale(1.05);
    /* Keep slight zoom if it was there or add it for nice touch */
}

/* Original Card Info Style (Navy bg, White text) */
.card-info {
    padding: 20px;
    background: var(--primary-navy);
    /* Navy Background */
    border-top: 1px solid var(--primary-navy);
    transition: background 0.3s;
    text-align: left;
    /* Reset alignment if needed, usually left key */
}

.card-info h3 {
    font-size: 18px;
    /* Original size */
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--white);
    /* White Text */
}

.card-info p {
    font-size: 14px;
    color: #aabbdb;
    /* Softer blue-white */
    font-weight: 500;
    margin-bottom: 0;
    /* Remove extra margin if no button */
}

.card-v2:hover .card-info {
    background: var(--secondary-blue);
    /* Lighter blue on hover */
}

.card-v2:hover .card-info h3 {
    color: var(--white);
}

/* Removed .btn-more styles */

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.pf-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.pf-img {
    height: 300px;
}

.pf-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.pf-item:hover .pf-img img {
    transform: scale(1.1);
}

.pf-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 20px;
    color: white;
}

.pf-info .badge {
    background: var(--secondary-blue);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 5px;
    display: inline-block;
}

.pf-info h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.pf-info p {
    font-size: 12px;
    opacity: 0.8;
}

/* Certificate Section (Horizontal Scroll) */
.certificate-section {
    background-color: #fcfcfc;
}

.cert-wrapper {
    width: 100%;
    overflow: hidden;
    /* Hide default scrollbar if desired, or use auto */
    padding: 20px 0;
}

.cert-scroll-container {
    display: flex;
    overflow-x: auto;
    gap: 20px;
    padding: 10px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-blue) #eee;
}

.cert-scroll-container::-webkit-scrollbar {
    height: 8px;
}

.cert-scroll-container::-webkit-scrollbar-track {
    background: #eee;
    border-radius: 4px;
}

.cert-scroll-container::-webkit-scrollbar-thumb {
    background-color: var(--secondary-blue);
    border-radius: 4px;
}

.cert-item {
    flex: 0 0 200px;
    /* Fixed width for each item */
    background: white;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s;
}

.cert-item:hover {
    transform: translateY(-5px);
}

.cert-item img {
    max-width: 100%;
    height: auto;
    max-height: 250px;
    margin-bottom: 15px;
}

.cert-item p {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
}

.cert-scroll-hint {
    text-align: center;
    color: #888;
    font-size: 13px;
    margin-top: 10px;
}

/* News Section */
.news-section {
    background: white;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 2px solid #000;
    padding-bottom: 20px;
}

.section-header .section-title-v2 {
    margin-bottom: 0;
    font-size: 28px;
    text-align: left;
}

.more-link {
    font-size: 14px;
    font-weight: 700;
    color: #999;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.news-card {
    padding: 20px;
    border: 1px solid #eee;
    border-radius: 8px;
    transition: border-color 0.3s;
}

.news-card:hover {
    border-color: var(--secondary-blue);
}

.news-cat {
    display: inline-block;
    padding: 5px 12px;
    background: #f0f0f0;
    color: #666;
    font-size: 12px;
    border-radius: 20px;
    margin-bottom: 15px;
}

.news-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.news-date {
    font-size: 13px;
    color: #999;
}

/* Footer V2 */
.footer-v2 {
    background-color: #00234B;
    /* Darker Navy */
    color: #ecf0f1;
    padding: 40px 0;
    /* Reduced padding from 60px */
}

.footer-logo {
    margin-bottom: 20px;
    /* Reduced from 30px */
}

.footer-info p {
    margin-bottom: 5px;
    /* Reduced from 10px */
    font-size: 14px;
    color: #bdc3c7;
    line-height: 1.4;
    /* Tighter line-height */
    letter-spacing: -0.2px;
    /* Slightly tighter tracking */
}

.copyright {
    margin-top: 20px;
    /* Reduced from 30px */
    padding-top: 15px;
    /* Reduced from 20px */
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    color: #95a5a6;
    line-height: 1.4;
}

/* Sub-page Header Override */
.page-header {
    background-color: var(--primary-navy);
    /* Match new theme */
}

/* Media Queries */
@media (max-width: 1024px) {

    .product-grid-v2,
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-v2 {
        height: auto;
        flex-direction: column;
        padding: 60px 0;
    }

    .hero-content-v2,
    .hero-image-v2 {
        width: 100%;
        padding: 20px;
    }
}

/* --- Under-Floor Page Specifics --- */

/* Blue Vertical Point Title (Vertical Bar Removed) */
.section-title-blue-point {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-blue);
    /* Blue Text */
    margin-bottom: 40px;
    padding-left: 0;
    /* No Padding */
    border-left: none;
    /* No Vertical Bar */
    line-height: 1.2;
}

/* Product Grid Solid (4-Column) */
.product-grid-solid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* Product Card (Solid Card Style) */
.product-grid-solid .product-card {
    background: #ffffff;
    border: 1px solid #d1d1d1;
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
    /* Uniform Height */
}

.product-grid-solid .product-card:hover {
    border-color: var(--secondary-blue);
}

.product-grid-solid .pc-img {
    background: #fff;
    border-bottom: 1px solid #eee;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-grid-solid .pc-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s;
}

.product-grid-solid .product-card:hover .pc-img img {
    transform: scale(1.05);
    /* Slight zoom on hover */
}

.product-grid-solid .pc-label {
    padding: 20px 10px;
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    color: #222;
    background: #fff;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s;
}

.product-grid-solid .product-card:hover .pc-label {
    color: var(--secondary-blue);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .product-grid-solid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-grid-solid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .gnb-v2 {
        display: none;
        /* Mobile menu to be implemented if needed */
    }

    .cert-display {
        flex-direction: column;
        text-align: center;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .container-wide {
        padding: 0 20px;
    }

    .ceo-container,
    .location-wrapper {
        flex-direction: column;
    }

    .ceo-photo {
        flex: none;
        width: 100%;
        margin-bottom: 30px;
    }

    .history-timeline::before {
        left: 20px;
    }

    .history-row {
        flex-direction: column;
    }

    .history-year {
        text-align: left;
        padding-left: 40px;
        margin-bottom: 10px;
    }

    .history-year::after {
        left: 15px;
        right: auto;
    }

    .history-desc {
        padding-left: 40px;
    }

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

    .location-info {
        width: 100%;
        flex: none;
    }
}

/* --- About Page Styles (Updated) --- */

/* Sub-visual Banner */
.sub-visual {
    background: url('../images/company_bg.png') no-repeat center center/cover;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    /* margin-top adjustment not needed if header is sticky */
}

.sub-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    /* Semi-transparent dark overlay */
    z-index: 0;
}

.sub-visual h2 {
    position: relative;
    color: var(--white);
    font-size: 48px;
    font-weight: 800;
    z-index: 1;
    letter-spacing: 2px;
}

/* Tab Navigation */
.tab-nav {
    background: #f5f5f5;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 90px;
    z-index: 900;
}

.tab-nav ul {
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.tab-nav li {
    flex: 1;
    text-align: center;
}

.tab-nav a {
    display: block;
    padding: 20px 0;
    font-size: 16px;
    font-weight: 500;
    color: #888;
    background: #f5f5f5;
    transition: all 0.3s;
    border-right: 1px solid #e1e1e1;
}

.tab-nav li:last-child a {
    border-right: none;
}

.tab-nav a:hover,
.tab-nav a.active {
    background: var(--secondary-blue);
    color: var(--white);
    font-weight: 700;
}

/* Section Common */
.section-v2 {
    padding: 80px 0;
}

.bg-white {
    background-color: #ffffff;
}

.bg-light {
    background-color: #f9f9f9;
}

/* CEO Section */
.ceo-container {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.ceo-photo {
    flex: 0 0 400px;
}

.ceo-photo img {
    width: 100%;
    border-radius: 4px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.ceo-text {
    flex: 1;
}

.ceo-text h3 {
    font-size: 32px;
    margin-bottom: 30px;
    color: var(--primary-navy);
    font-weight: 700;
    position: relative;
    padding-bottom: 15px;
}

.ceo-text h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--secondary-blue);
}

.ceo-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
    color: #444;
    text-align: justify;
}

/* Updated CEO Signature (Enlarged) */
.ceo-sign-img {
    width: 220px;
    /* Significantly increased width */
    height: auto;
    display: inline-block;
    margin-left: 10px;
    /* Spacing from name if inline, or just positioning */
}

/* History Section */
#history {
    background-color: #f9f9f9;
}

.history-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 150px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: #ddd;
}

.history-row {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.history-year {
    flex: 0 0 150px;
    padding-right: 40px;
    text-align: right;
    font-size: 24px;
    font-weight: 800;
    color: var(--secondary-blue);
    line-height: 1.2;
}

/* Perfect Center Alignment for Timeline Dots */
.history-year::after {
    content: '';
    position: absolute;
    left: 150px;
    /* Exactly on the line which is at 150px */
    top: 6px;
    width: 11px;
    height: 11px;
    background: var(--white);
    border: 3px solid var(--secondary-blue);
    border-radius: 50%;
    z-index: 2;
    transform: translateX(-50%);
    /* Centering trick */
}

.history-desc {
    flex: 1;
    padding-left: 40px;
}

.history-desc p {
    margin-bottom: 12px;
    font-size: 15px;
    color: #555;
    line-height: 1.6;
}

.history-desc strong {
    color: #222;
    margin-right: 5px;
}

/* Certificate Grid (Ultra Compact - 9 Cols) */
.cert-grid-page {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    /* 9 columns = 2 rows for 18 items */
    gap: 10px;
}

.cert-grid-page .cert-item {
    border: 1px solid #eee;
    padding: 0;
    /* Remove padding */
    background: #fff;
    transition: transform 0.2s;
    cursor: pointer;
    overflow: hidden;
}

.cert-grid-page .cert-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.cert-grid-page .cert-item img {
    width: 100%;
    height: auto;
    display: block;
}

.cert-grid-page .cert-item p {
    display: none;
    /* Text hidden */
}

/* Location Section */
.location-wrapper {
    display: flex;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    background: #fff;
}

.location-map {
    flex: 1;
    min-height: 450px;
    background: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
}

.location-info {
    flex: 0 0 400px;
    padding: 50px;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 1px solid #eee;
}

.loc-item {
    margin-bottom: 35px;
}

.loc-item:last-child {
    margin-bottom: 0;
}

.loc-item h4 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--secondary-blue);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.loc-item p {
    font-size: 16px;
    color: #444;
    line-height: 1.6;
    font-weight: 500;
}

@media (max-width: 1024px) {
    .cert-grid-page {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .sub-visual {
        height: 140px;
        /* Reduced from 200px */
    }

    .sub-visual h2 {
        font-size: 32px;
    }

    .tab-nav {
        top: 80px;
    }

    .tab-nav ul {
        flex-wrap: wrap;
    }

    .tab-nav li {
        flex: 0 0 50%;
    }

    .tab-nav a {
        padding: 15px 0;
        font-size: 14px;
        border-bottom: 1px solid #ddd;
    }

    .location-wrapper {
        flex-direction: column;
    }

    .location-info {
        width: 100%;
        padding: 30px;
    }

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

/* --- Global Certificate Modal Fix --- */
#cert-modal {
    background-color: rgba(0, 0, 0, 0.8) !important;
    /* Dark semi-transparent black */
    align-items: center !important;
    justify-content: center !important;
}

#img01 {
    height: 85vh !important;
    /* Force 85% viewport height */
    width: auto !important;
    /* Maintain aspect ratio */
    max-width: none !important;
    /* Ignore small file size limits */
    object-fit: contain !important;
    /* Ensure whole image is visible */
    margin: 0 auto !important;
}

/* --- Zig-Zag Layout for Product Pages --- */
.zig-zag-row {
    display: flex;
    align-items: center;
    gap: 60px;
    justify-content: space-between;
}

.zig-zag-row.right-img {
    flex-direction: row;
    /* Text Left, Image Right */
}

.zig-zag-row.left-img {
    flex-direction: row;
    /* Defaut: Image Left, Text Right */
}

/* Specific Order Adjustment if needed, but above structure handles it by DOM order usually. 
   If DOM is always Img-Text, we can use row-reverse for right-img */
.zig-zag-row.right-img {
    flex-direction: row-reverse;
}


.zz-img {
    flex: 1;
    max-width: 50%;
}

.zz-img img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: block;
}

.zz-text {
    flex: 1;
    max-width: 50%;
}

.zz-text h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-blue);
    /* Brand Blue #0054A6 */
    margin-bottom: 20px;
    position: relative;
}

.zz-text p {
    font-size: 16px;
    line-height: 1.6;
    color: #444;
}

@media (max-width: 768px) {

    .zig-zag-row,
    .zig-zag-row.right-img {
        flex-direction: column;
        gap: 30px;
    }

    .zz-img,
    .zz-text {
        max-width: 100%;
    }
}

/* --- Proposal & Product Info Section Styles (Blue Text, No Bar) --- */
.proposal-title,
#product-info h3,
#overview h3 {
    /* Added Overview headers */
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-blue);
    /* Revert to Blue Text */
    margin-bottom: 20px;
    padding-left: 0;
    /* Remove padding */
    border-left: none;
    /* Remove Vertical Bar */
    line-height: 1.2;
    /* Match line height to bar */
}

/* --- Overview Tab (Image Card Design) --- */
.img-card {
    background: #ffffff;
    border: 1px solid #d1d1d1;
    /* Solid Border */
    border-radius: 4px;
    /* Industrial Radius */
    padding: 10px;
    /* Small padding frame */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    /* Subtle Depth */
}

.img-card img {
    width: 100%;
    height: auto;
    border-radius: 2px;
    display: block;
}

/* Ensure zig-zag spacing is correct with the new card wrapper */
.zig-zag-row .img-card {
    /* Flex item properties handled by .zz-img */
}


.proposal-grid {
    display: grid;
    gap: 30px;
    /* Increased gap */
}

.proposal-grid.col-4 {
    grid-template-columns: repeat(4, 1fr);
}

.proposal-grid.col-3 {
    grid-template-columns: repeat(3, 1fr);
}

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

/* Technical Card (Tab 2) & Product Card (Tab 3) Shared "Solid Industrial" Style */
.tech-card,
#product-info .product-card {
    height: 100%;
    /* Force equal height in grid */
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid #d1d1d1;
    /* Distinct Border */
    border-radius: 4px;
    /* Sharp Radius */
    box-shadow: none;
    /* Clean start */
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    overflow: hidden;
    position: relative;
}

.tech-card:hover,
#product-info .product-card:hover {
    border-color: var(--secondary-blue);
    /* Blue Border on Hover */
    box-shadow: 0 4px 12px rgba(0, 84, 166, 0.15);
    /* Blue-tinted shadow */
    transform: translateY(0);
    /* No float */
}

/* Image Container */
.tc-img,
#product-info .product-card img {
    width: 100%;
    object-fit: contain;
    background: #fff;
    margin: 0;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    border-bottom: 1px solid #eee;
    /* Subtle separator line */
}

/* Specific adjustment for Tab 2 images structure */
.tc-img {
    padding: 10px;
    flex-grow: 0;
    border-bottom: 1px solid #eee;
}

.tc-img img {
    width: 100%;
    height: 200px;
    object-fit: contain;
}

/* Specific adjustment for Tab 3 images */
#product-info .product-card img {
    height: auto;
    max-height: 400px;
    object-fit: contain;
    padding: 20px;
}


/* Text Label (Solid Industrial Look) */
.tc-label,
#product-info .card-footer-label {
    background: #fff;
    /* Pure White */
    color: #222;
    /* Dark Text */
    text-align: center;
    padding: 20px 15px;
    font-size: 18px;
    font-weight: 700;
    /* Bold */
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    /* Allow stacking for <br> */
    align-items: center;
    justify-content: center;
    border-top: none;
    /* Already separated by image border */
    transition: color 0.2s ease;
    position: relative;
    line-height: 1.3;
}

.tc-label .small-text {
    font-size: 14px;
    font-weight: 400;
    color: #666;
    margin-top: 5px;
}

/* Add a small accent bar at the bottom of the label or just text change? 
   User asked for "Bottom Border to title area or small blue bar". 
   Let's add a small blue bar indicator at the bottom of the card on hover, 
   or just rely on the main border. Let's keep it simple: Text Blue on hover looks sharpest. */

/* Hover Effects Text */
.tech-card:hover .tc-label,
#product-info .product-card:hover .card-footer-label {
    background: #fff;
    color: var(--secondary-blue);
    /* Text Blue */
}

/* Tab 3 Layout */
#product-info .info-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

#product-info .product-card {
    /* Resetting flex from previous */
    display: block;
}

@media (max-width: 1024px) {

    .proposal-grid.col-4,
    .proposal-grid.col-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .proposal-grid.col-4,
    .proposal-grid.col-2 {
        grid-template-columns: 1fr;
    }

    .proposal-grid.col-3 {
        grid-template-columns: repeat(2, 1fr) !important;
        /* User REQUEST: 2 cols on mobile for Fire Stop */
    }

    #product-info .info-layout {
        grid-template-columns: 1fr;
    }

    /* Mobile Card Height Optimization for Fire Stop (Match Under-Piping style) */
    .tc-img img {
        height: auto !important;
        /* Allow image to scale down */
        max-height: 150px;
        /* Cap height to ensure compactness */
        padding: 10px;
        /* Reduce padding if needed */
    }

    .tc-label {
        padding: 15px 10px;
        /* Reduce vertical padding */
        font-size: 16px;
        /* Adjust font size if needed */
    }
}

/* --- Sub Visual Banner --- */
.sub-visual {
    height: 300px;
    background-image: url('../images/company_bg.png');
    /* Default Universal Banner */
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0;
    /* Offset removed for sticky header */
    overflow: hidden;
    /* Ensure overlay stays within */
}

/* Global 50% Dimming using Pseudo-element (No HTML div needed) */
.sub-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5) !important;
    /* Strict 50% Dimming */
    z-index: 1;
}

.sub-visual h2 {
    position: relative;
    z-index: 2;
    color: #fff;
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* --- Technical Annotation Card (Fire Stop Page) --- */
.tech-annotation-card {
    background: #fff;
    border: 1px solid #d1d1d1;
    border-radius: 4px;
    padding: 40px;
    display: flex;
    gap: 40px;
    align-items: center;
}

.tech-annotation-card .ta-img {
    flex: 1;
    text-align: center;
}

.tech-annotation-card .ta-img img {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
}

.tech-annotation-card .ta-text {
    flex: 1;
}

.tech-annotation-card .ta-text ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-annotation-card .ta-text li {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #333;
    font-weight: 500;
}

.title-blue-point {
    border-left: 5px solid var(--secondary-blue);
    padding-left: 15px;
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .tech-annotation-card {
        flex-direction: column;
        padding: 20px;
    }
}

/* --- Firestop Dynamic Showcase (Tab 1) --- */
.firestop-showcase {
    display: flex;
    align-items: flex-start;
    gap: 50px;
    padding: 30px 0;
    position: relative;
}

/* ---- Left Column ---- */
.fire-visual-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    position: relative;
}

.fire-image-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    position: relative;
}

.fire-glow {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    /* NO glow, clean white */
    transition: transform 0.3s ease;
}

/* Sub-Images Row */
.fire-sub-images {
    display: flex;
    gap: 20px;
    width: 100%;
    justify-content: center;
}

.fire-sub-card {
    flex: 1;
    text-align: center;
    border: 1px solid #eee;
    /* Simple initial border */
    padding: 12px;
    border-radius: 8px;
    background: #fff;
    max-width: 200px;
    /* Subtle Gradient Border Effect via Box Shadow or slightly colored border */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    /* Very subtle initial shadow */
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* Subtle gradient line removed per user request */
.fire-sub-card::after {
    display: none;
}

.fire-sub-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 94, 184, 0.15);
    /* Softer Blue glow */
    border-color: #e6f0fa;
}

.fire-sub-card img {
    width: 100%;
    height: 120px;
    object-fit: contain;
    margin-bottom: 8px;
}

.fire-sub-card p {
    font-size: 13px;
    color: #333;
    margin: 0;
    font-weight: 600;
    line-height: 1.4;
    word-break: keep-all;
}

/* ---- Right Column ---- */
.feature-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-block {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 20px;
    /* Increased padding for box feel */
    border-radius: 8px;
    /* Rounded corners */
    transition: all 0.3s ease;
    background: #fff;
    /* White background for card look */
    border: 1px solid #eee;
    /* Subtle border */
    border-left: 5px solid #ddd;
    /* Default grey bar */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    /* Soft shadow */
    position: relative;
    word-break: keep-all;
    /* Prevent Korean word breaks */
}

.feature-number {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    background: #005EB8;
    /* Key Blue */
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 17px;
}

.feature-content h4 {
    margin: 0 0 8px 0;
    /* Slightly more space */
    font-size: 19px;
    font-weight: 700;
    color: #333;
}

.feature-content p {
    margin: 0;
    font-size: 15px;
    /* Slightly larger for readability */
    color: #555;
    line-height: 1.6;
}

/* Text Highlights */
.feature-content .highlight-text {
    color: #005EB8;
    /* Key Blue */
    font-weight: 700;
}

/* ---- HOVER INTERACTION ----
   Trigger: Hovering the MAIN IMAGE
   Effect: Highlight items 02 & 03 (Background tint + Blue Bar) */

/* When main image is hovered, highlight block-02 and block-03 */
.firestop-showcase:has(.fire-image-container:hover) .block-02,
.firestop-showcase:has(.fire-image-container:hover) .block-03 {
    background: #e6f0fa;
    /* Light Blue tint */
    border-color: #cce0ff;
    /* Border change */
    border-left-color: #005EB8 !important;
    /* Force Blue Bar */
    box-shadow: 0 4px 12px rgba(0, 94, 184, 0.15);
    /* Stronger shadow */
    transform: translateX(5px);
    /* Slight slide */
}

/* Individual feature block hover */
.feature-block:hover {
    background: #f7faff;
    border-color: #cce0ff;
    border-left-color: #005EB8;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* JS-driven hover fallback (class toggled by JS) */
.firestop-showcase.image-hovered .block-02,
.firestop-showcase.image-hovered .block-03 {
    background: #e6f0fa;
    border-color: #cce0ff;
    border-left-color: #005EB8 !important;
    box-shadow: 0 4px 12px rgba(0, 94, 184, 0.15);
    transform: translateX(5px);
}

/* --- Mobile Optimization (Sticky Nav & Compact Layout) --- */

/* Mobile Category Sticky Nav */
.mobile-category-nav {
    display: none;
    /* Hidden on Desktop */
}

@media (max-width: 768px) {

    /* Show Sticky Nav */
    .mobile-category-nav {
        display: block;
        position: sticky;
        top: 90px;
        /* Header Height */
        background: #fff;
        z-index: 990;
        border-bottom: 1px solid #ddd;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        /* Smooth scroll iOS */
    }

    .mobile-category-nav ul {
        display: flex;
        padding: 0 10px;
        gap: 15px;
    }

    .mobile-category-nav li {
        flex: 0 0 auto;
    }

    .mobile-category-nav a {
        display: block;
        padding: 12px 5px;
        font-size: 15px;
        color: #555;
        font-weight: 500;
        border-bottom: 3px solid transparent;
    }

    .mobile-category-nav a.active {
        color: #005EB8;
        border-bottom-color: #005EB8;
        font-weight: 700;
    }

    /* Fire Stop Visual Section: Compact Grid */
    .firestop-showcase {
        flex-direction: column-reverse;
        /* Text First (Bottom HTML), Images Last (Top HTML) */
        gap: 0;
        /* Remove parent gap, control via margin */
    }

    .fire-visual-col {
        display: flex;
        flex-direction: column;
        gap: 10px;
        /* Small gap between Main Image and Sub-Cards */
    }

    .fire-sub-images {
        flex-direction: row;
        /* Force Row on Mobile */
        justify-content: space-between;
        gap: 4%;
    }

    .fire-sub-card {
        flex: 0 0 48%;
        /* 2-Column Grid */
        max-width: 48%;
    }

    .fire-sub-card p {
        font-size: 12px;
        /* Reduced Font Size */
    }

    /* Feature List: Compact Design */
    .feature-list {
        gap: 10px;
        margin-bottom: 40px;
        /* Distinct separation from Images below */
    }

    .feature-block {
        padding: 15px;
        /* Reduced Padding */
        gap: 12px;
    }

    .feature-number {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }

    .feature-content h4 {
        font-size: 16px;
        margin-bottom: 4px;
    }

    .feature-content p {
        font-size: 14px;
        line-height: 1.4;
    }

    /* Mobile Interaction: Highlight 02 & 03 automatically */
    /* Ensure .block-02 and .block-03 are heavily emphasized */
    .block-02,
    .block-03 {
        background: #e6f0fa;
        /* Light Blue Tint */
        border-color: #cce0ff;
        border-left-color: #005EB8 !important;
        box-shadow: 0 2px 8px rgba(0, 94, 184, 0.1);
    }
}


/* --- Support Page (Customer Center) --- */

/* Notice Board Table */
.notice-board-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.notice-table {
    width: 100%;
    border-collapse: collapse;
    border-top: 2px solid #333;
    margin-bottom: 40px;
}

.notice-table th {
    background: #f8f9fa;
    padding: 15px;
    font-weight: 600;
    color: #333;
    border-bottom: 1px solid #ddd;
    text-align: center;
}

.notice-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
    text-align: center;
    color: #555;
    font-size: 15px;
}

.notice-table td.subject {
    text-align: left;
    padding-left: 30px;
}

.notice-table td.subject a {
    color: #333;
    font-weight: 500;
    transition: color 0.2s;
}

.notice-table td.subject a:hover {
    color: #005EB8;
    /* Key Blue */
    text-decoration: underline;
}

.new-badge {
    display: inline-block;
    width: 18px;
    height: 18px;
    background: #E63946;
    /* Keep Red for 'New' alert or use Blue */
    color: #fff;
    font-size: 10px;
    line-height: 18px;
    text-align: center;
    border-radius: 50%;
    vertical-align: middle;
    margin-left: 5px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.pagination a {
    display: block;
    width: 36px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #555;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination a.active {
    background: #005EB8;
    /* Key Blue */
    color: #fff;
    border-color: #005EB8;
}

/* Inquiry Form */
.inquiry-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    border: 1px solid #f0f0f0;
}

.inquiry-form .form-group {
    margin-bottom: 20px;
}

.inquiry-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.inquiry-form input[type="text"],
.inquiry-form input[type="email"],
.inquiry-form input[type="tel"],
.inquiry-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.3s;
    font-family: inherit;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus {
    border-color: #005EB8;
    /* Key Blue Focus */
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 94, 184, 0.1);
}

.form-group-row {
    display: flex;
    gap: 20px;
}

.form-group.half {
    flex: 1;
}

.form-footer {
    margin-top: 30px;
    text-align: center;
    border-top: 1px solid #eee;
    padding-top: 30px;
}

.privacy-check {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-submit {
    background: #005EB8;
    /* Key Blue */
    color: #fff;
    border: none;
    padding: 15px 50px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}

.btn-submit:hover {
    background: #004a91;
    /* Darker Blue */
    transform: translateY(-2px);
}

/* Notice Detail View */
.notice-detail-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    border-top: 2px solid #333;
    border-bottom: 1px solid #ddd;
}

.detail-header {
    padding: 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
}

.detail-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.detail-info {
    font-size: 14px;
    color: #666;
}

.detail-info span {
    margin-right: 15px;
}

.detail-info span::before {
    content: '|';
    margin-right: 10px;
    color: #ddd;
}

.detail-info span:first-child::before {
    display: none;
}

.detail-content {
    padding: 40px 20px;
    min-height: 300px;
    color: #444;
    line-height: 1.8;
    font-size: 16px;
}

.detail-footer {
    padding: 20px;
    text-align: center;
    background: #f8f9fa;
    border-top: 1px solid #eee;
}

.btn-list {
    display: inline-block;
    padding: 10px 40px;
    background: #555;
    color: #fff;
    border-radius: 4px;
    font-weight: 500;
    transition: background 0.3s;
}

.btn-list:hover {
    background: #333;
}

/* --- Main Page Mobile Rebuild (Global Max-width 768px) --- */

/* 1. Hamburger Menu & Side Drawer */
.hamburger-menu {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: -280px;
    /* Hidden by default */
    width: 280px;
    height: 100%;
    background: #fff;
    z-index: 2000;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.mobile-drawer.active {
    right: 0;
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.drawer-title {
    font-size: 18px;
    font-weight: 700;
    color: #333;
}

.close-drawer {
    font-size: 30px;
    cursor: pointer;
    color: #999;
}

.drawer-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.drawer-list li {
    margin-bottom: 15px;
}

.drawer-list li a {
    font-size: 16px;
    color: #333;
    font-weight: 500;
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid #f9f9f9;
}

/* Mobile Certificate Button */
.mobile-cert-btn-wrapper {
    display: none;
    /* Hidden on Desktop */
    text-align: center;
    margin-top: 20px;
}

.btn-view-cert {
    display: inline-block;
    padding: 12px 30px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #555;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

/* --- Mobile Media Queries --- */
@media (max-width: 768px) {

    /* 1. Navigation: Hide GNB, Show Hamburger */
    .gnb-v2 {
        display: none;
    }

    .hamburger-menu {
        display: flex !important;
        /* Use flex to center icon */
        align-items: center;
        height: 100%;
        /* Full height of header if needed, or just auto */
        /* Full height of header if needed, or just auto */
        line-height: 1;
        /* Full height of header if needed, or just auto */
        line-height: 1;
        margin-top: 0;
        /* Reset margin, rely on flex center */
    }

    /* Ensure Header Inner stays centered */
    .header-inner {
        align-items: center !important;
    }

    /* 2. Hero Video: 16:9 Ratio & Compact Text */
    /* 2. Hero Video: 16:9 Ratio & Compact Text */
    .video-hero-container {
        height: 280px !important;
        /* Fixed Height */
        aspect-ratio: auto;
        min-height: 280px;
    }

    .video-hero-container video {
        object-fit: cover;
    }

    .hero-content-v2 h1 {
        font-size: 20px;
        /* Reduced from Desktop size */
        line-height: 1.3;
        margin-bottom: 10px;
    }

    .hero-divider {
        width: 30px;
        margin: 10px auto;
    }

    .hero-sub,
    .hero-sub span,
    .hero-sub p {
        font-size: 12px !important;
        /* Force exact size for all langs */
        line-height: 1.4 !important;
        /* Further reduced subtext */
    }

    /* 3. Product & Portfolio: 2-Column Grid */
    .product-grid-v2 {
        grid-template-columns: 1fr 1fr;
        /* 2 Columns */
        gap: 15px;
    }

    .card-v2 {
        height: auto;
        /* Allow auto height */
    }

    .card-img {
        height: 140px;
        /* Reduced height for compactness */
    }

    .card-info {
        padding: 15px;
    }

    .card-info h3 {
        font-size: 16px;
    }

    .card-info p {
        font-size: 12px;
    }

    /* Portfolio Grid */
    .portfolio-grid {
        grid-template-columns: 1fr 1fr;
        /* 2 Columns */
        gap: 10px;
    }

    .pf-img {
        height: 150px;
        /* Reduced Portfolio Image Height */
    }

    /* Reduce Portfolio Section Padding for Compact Look */
    .section-v2.portfolio-section {
        padding-top: 10px !important;
        /* Tighter top spacing */
        padding-bottom: 30px !important;
    }

    /* 4. Technical Certificate: Simplify & Compact */
    .cert-scroll-container {
        display: block;
        overflow: hidden;
        white-space: normal;
        text-align: center;
        margin-top: 0;
        /* Remove top margin from container */
    }

    /* Reduce Section Padding for Compact Look */
    /* Reduce Section Padding for Compact Look */
    /* Reduce Section Padding for Compact Look */
    .section-v2.certificate-section {
        padding: 30px 0 !important;
        /* Reduced vertical height */
    }

    .certificate-section .section-title-v2 {
        margin-bottom: 10px !important;
        /* Pull image up */
        padding-bottom: 0 !important;
    }

    /* Show ONLY the first item */
    .cert-item {
        display: none;
    }

    .cert-item:first-child {
        display: inline-block;
        margin: 0 auto;
        margin-top: 0 !important;
    }

    .cert-item img {
        height: auto;
        max-width: 80%;
        max-height: 250px;
        margin: 0 !important;
        margin-bottom: 10px !important;
        /* Pull button up */
    }

    .cert-item p {
        display: none;
    }

    .cert-scroll-hint {
        display: none;
    }

    .mobile-cert-btn-wrapper {
        display: block;
        margin-top: 0 !important;
        /* Tight spacing */
    }

    /* 5. News & Notice: Ultra Compact List Row (Mobile) */
    .news-section .container {
        padding: 0 20px;
    }

    /* Show only 4 items */
    .news-card:nth-child(n+5) {
        display: none !important;
    }

    .section-header {
        margin-bottom: 15px !important;
        /* Reduced Header Gap */
        align-items: baseline;
        /* Align Title and More Link */
    }

    .news-grid {
        display: flex;
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .news-card {
        width: 100% !important;
        height: 50px;
        /* Fixed Small Height */
        display: flex;
        /* Flex Layout */
        align-items: center;
        justify-content: flex-start;
        /* Align Left */
        padding: 0;
        /* Remove Padding */
        border: none;
        border-bottom: 1px solid #eee;
        /* Thin Separator */
        background: transparent;
        box-shadow: none;
        border-radius: 0;
        margin: 0;
    }

    .news-card p {
        display: none !important;
        /* Hide Description */
    }

    .news-cat {
        font-size: 10px;
        padding: 2px 6px;
        border-radius: 10px;
        /* Pill Shape */
        margin-bottom: 0;
        /* Reset */
        margin-right: 8px;
        /* Gap to Title */
        flex-shrink: 0;
        /* Don't shrink */
        line-height: 1.2;
    }

    .news-card h3 {
        font-size: 13px;
        margin: 0;
        font-weight: 500;
        color: #333;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 55%;
        /* Limit Width */
        line-height: 1.2;
    }

    .news-date {
        font-size: 11px;
        color: #aaa;
        margin-top: 0;
        /* Reset */
        margin-left: auto;
        /* Push to Right */
        white-space: nowrap;
    }

    /* 6. Footer & Typography */
    .footer-v2 {
        padding: 30px 0;
    }

    /* Mobile Logo Optimization */
    .logo img {
        max-width: 110px !important;
        /* Further reduced from 130px */
        height: auto !important;
        margin-left: 0 !important;
        padding-top: 8px !important;
        /* Increased padding to push down further */
    }

    .footer-logo img {
        max-width: 110px !important;
        /* Compact Text Logo */
        height: auto !important;
        margin-bottom: 15px !important;
    }

    .footer-info p {
        font-size: 11px;
        line-height: 1.6;
    }

    .section-title-v2 {
        font-size: 22px !important;
        /* Enforce consistency */
    }

    /* Sub-Visual Banner Text Mobile Optimization */
    /* Sub-Visual Banner Height */
    .sub-visual {
        height: 140px !important;
        /* Slimmer */
    }

    /* Sub-Visual Banner Text Mobile Optimization */
    .sub-visual h2 {
        font-size: 20px !important;
        /* Reduced to 20px */
        line-height: 1.3 !important;
        padding: 0 20px !important;
        word-break: keep-all !important;
        width: 100%;
        box-sizing: border-box;
    }

    /* Notice Page Table Optimization */
    .notice-table th,
    .notice-table td {
        padding: 8px 4px !important;
        /* Very tight padding */
        font-size: 13px !important;
    }

    .notice-table th:nth-child(3),
    .notice-table td:nth-child(3) {
        width: 1px;
        white-space: nowrap;
    }

    .notice-table th:nth-child(2),
    .notice-table td:nth-child(2) {
        width: auto;
    }

    /* --- Company Page (about.html) Mobile Optimization --- */

    /* 1. Sticky Sub-Navigation */
    .tab-nav {
        top: 90px;
        /* Adjust for header height */
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        border-bottom: 1px solid #ddd;
        background: #f5f5f5;
    }

    .tab-nav ul {
        display: flex;
        /* Ensure flex for horizontal scroll */
        flex-wrap: nowrap;
        /* Prevent wrapping */
        justify-content: flex-start;
        /* Start from left */
        padding: 0;
        margin: 0;
        width: auto;
        /* Allow growth */
    }

    .tab-nav li {
        flex: 0 0 auto;
        /* Allow items to size naturally or fixed */
        width: auto;
    }

    .tab-nav a {
        padding: 15px 20px;
        /* Comfy touch target */
        font-size: 14px;
        border-bottom: 3px solid transparent;
        /* Prepare for active border */
        border-right: none;
        /* Remove dividers if cluttering */
    }

    .tab-nav a.active {
        border-bottom-color: var(--secondary-blue);
        background: transparent;
        color: var(--secondary-blue);
    }

    /* 2. CEO Message Layout (Fix: Image First, Title First for Logic) */
    .mobile-ceo-title {
        display: block !important;
        /* Show Mobile Title */
        font-size: 24px;
        color: var(--primary-navy);
        font-weight: 700;
    }

    .desktop-ceo-title {
        display: none;
        /* Hide internal title on mobile */
    }

    .ceo-container {
        flex-direction: column;
        gap: 20px;
    }

    .ceo-photo {
        width: 100%;
        max-width: 280px;
        /* Limit width */
        margin: 0 auto;
        /* Center image */
        flex: none;
    }

    .ceo-photo img {
        width: 100%;
        height: auto;
    }

    .ceo-text {
        padding: 0 10px;
        /* Prevent edge touching */
    }

    .ceo-text p {
        font-size: 15px;
        line-height: 1.7;
        /* Increased line-height */
        text-align: left;
        /* Better for mobile than justify */
    }

    .ceo-sign-img {
        float: right;
        /* Explicit right alignment */
        margin-top: 10px;
    }

    /* 3. History Section (Strict Left-Aligned Timeline) */
    .history-timeline {
        padding-left: 20px;
    }

    /* Remove Center Line */
    .history-timeline::before {
        display: none;
    }

    /* Add Mobile Left Line */
    .history-timeline {
        border-left: 3px solid #ddd;
        margin-left: 10px;
    }

    .history-row {
        flex-direction: column;
        margin-bottom: 40px;
        position: relative;
    }

    .history-year {
        text-align: left;
        padding-left: 20px;
        padding-right: 0;
        margin-bottom: 10px;
        flex: none;
        width: 100%;
        position: relative;
    }

    /* Left Dot */
    .history-year::after {
        left: -21.5px;
        /* Alignment: -20px(pad) - 1.5px(border-center) = -21.5px */
        transform: translateX(-50%);
        /* Center the dot itself */
        top: 6px;
    }

    .history-desc {
        padding-left: 20px;
        flex: none;
        width: 100%;
    }

    /* 4. Certificate Section (Mobile Carousel) */
    .cert-grid-page {
        display: none !important;
        /* Hide Grid */
    }

    .mobile-cert-carousel {
        display: flex !important;
        /* Show Carousel */
        align-items: center;
        justify-content: center;
        gap: 15px;
        position: relative;
        padding: 20px 0;
    }

    .carousel-img-wrapper {
        flex: 1;
        max-width: 300px;
        text-align: center;
    }

    .carousel-img-wrapper img {
        width: 100%;
        height: auto;
        max-height: 400px;
        object-fit: contain;
        border: 1px solid #eee;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .carousel-btn {
        background: rgba(0, 0, 0, 0.05);
        border: none;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #555;
        font-size: 18px;
        transition: background 0.3s;
    }

    .carousel-btn:hover {
        background: rgba(0, 0, 0, 0.1);
        color: var(--secondary-blue);
    }

    /* 5. Location Section (Map Height) */
    .location-wrapper {
        flex-direction: column;
    }

    .location-map {
        height: 300px;
        /* Fixed Height */
        min-height: 300px;
        flex: none;
        width: 100%;
    }

    .location-info {
        width: 100%;
        padding: 30px 20px;
    }

    .loc-item {
        margin-bottom: 25px;
        text-align: center;
        /* Center info on mobile */
    }

    /* 6. Floor Piping Overview (product_floor.html) Mobile Layout */
    /* Target: Sections 1 & 3 (Image Left, Text Right in HTML) -> Reorder to Text Top, Image Bottom */
    .zig-zag-row.left-img {
        flex-direction: column-reverse !important;
    }

    /* Target: Section 2 (Text Left, Image Right in HTML) -> Keep Text Top, Image Bottom */
    .zig-zag-row.right-img {
        flex-direction: column !important;
    }

    .zig-zag-row {
        gap: 30px;
    }

    .zz-img,
    .zz-text {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        flex: none !important;
    }

    .zz-img {
        margin-top: 20px !important;
        /* Separate Image from Text */
    }

    .zz-img img {
        width: 100% !important;
        height: auto !important;
    }

    /* 7. Fire Stop Materials (product_fire.html) Feature List Mobile Layout */
    .feature-list {
        display: flex;
        flex-direction: column;
        gap: 30px;
        /* Increased from 15px for better separation */
    }

    .feature-block {
        display: grid !important;
        grid-template-columns: auto 1fr;
        align-items: center;
        gap: 0;
        /* Gap handled by margin/padding */
        padding: 0 !important;
        /* Remove container padding if needed, or keep for spacing? User wants "clean". Let's removing background/border from parent? User didn't say remove parent style, just "Remove Side Bar" from text container. */
        /* Actually, existing .feature-block has background/shadow. Let's keep that but adjust internal layout. */
        /* Wait, user said "Remove Side Bar... Remove any border-left property... currently displayed next to the text." */
        /* Existing .feature-block has border-left. */
        /* Clear parent container styles */
        border: none !important;
        background: transparent !important;
        box-shadow: none !important;
        /* Maybe remove card style from parent? "Create Description Card... Box with Blue Border" */
        box-shadow: none !important;
    }

    .feature-number {
        grid-row: 1;
        grid-column: 1;
        width: 30px;
        height: 30px;
        font-size: 14px;
        margin-right: 10px;
        margin-bottom: 10px;
        /* Space before Desc Box */
    }

    .feature-content {
        display: contents;
        /* Unbox the children */
    }

    .feature-content h4 {
        grid-row: 1;
        grid-column: 2;
        margin: 0 0 10px 0 !important;
        /* Align with number row, space before Desc Box */
        font-size: 16px;
        align-self: center;
    }

    .feature-content p {
        grid-row: 2;
        grid-column: 1 / -1;
        /* Full Width */
        background: #fff;
        border: 1px solid var(--secondary-blue);
        border-radius: 8px;
        padding: 15px;
        width: 100%;
        margin: 0;
        font-size: 14px;
        color: #555;
    }
}