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

        html {
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            background-color: #0a0c0e;
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            line-height: 1.5;
            color: #e0dcd3;
            overflow-x: hidden;
        }

        .sitePageWrapper {
            width: 100%;
            margin: 0 auto;
            background-color: #0f1215;
            box-shadow: 0 0 60px rgba(0,0,0,0.9);
            
            border-right: 1px solid #1e3a42;
        }

        .siteNavigation {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #0b0d0a;
            border-bottom: 2px solid #2eb8d6;
            padding: 0.6rem 1rem;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
            background-color: rgba(10, 12, 14, 0.96);
            flex-wrap: wrap;
        }

        .navBrand {
            color: #8fd4e8;
            font-weight: 800;
            font-size: 1.3rem;
            letter-spacing: 1px;
            white-space: normal;
            word-break: break-word;
            text-shadow: 0 0 8px rgba(46, 184, 214, 0.45);
        }

        .navItemsContainer {
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }

        .navLink {
            color: #94b8c5;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            padding: 0.2rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            white-space: nowrap;
        }

        .navLink:hover {
            border-bottom-color: #2eb8d6;
            color: #c8eef8;
        }

        .mobileMenuToggle {
            display: none;
            background: transparent;
            font-family: inherit;
            appearance: none;
            -webkit-appearance: none;
            border: 1px solid #2eb8d6;
            color: #8fd4e8;
            font-size: 1.8rem;
            width: 44px;
            min-width: 44px;
            height: 44px;
            line-height: 42px;
            text-align: center;
            cursor: pointer;
            border-radius: 4px;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
            touch-action: manipulation;
        }

        @media (max-width: 640px) {
            .siteNavigation {
                padding: 0.5rem 1rem;
            }

            .navBrand {
                font-size: 1rem;
                max-width: calc(100% - 56px);
                line-height: 1.3;
            }

            .mobileMenuToggle {
                display: block;
            }

            .navItemsContainer {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.8rem;
                padding: 1rem 0 0.8rem 0;
                margin-top: 0.5rem;
                border-top: 1px solid #1e3a42;
            }

            .navItemsContainer.showMobileMenu {
                display: flex;
            }

            .navLink {
                width: 100%;
                text-align: center;
                padding: 0.75rem 0.6rem;
                min-height: 48px;
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 1rem;
                border-bottom: 1px solid #1a2429;
                -webkit-tap-highlight-color: rgba(46, 184, 214, 0.15);
            }

            .navLink:last-child {
                border-bottom: none;
            }
        }

        .heroWithBackgroundImage {
            background: linear-gradient( rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5) ), url('../picture/hero-banner.jpg') center/cover no-repeat;
            padding: 4rem 2rem 5rem 2rem;
            text-align: center;
            border-bottom: 4px solid #2eb8d6;
            position: relative;
        }

        .heroWithBackgroundImage h1 {
            font-size: clamp(2.8rem, 12vw, 5rem);
            font-weight: 800;
            color: #b8e8f5;
            text-shadow: 0 4px 15px #000000, 0 0 20px rgba(46, 184, 214, 0.45);
            letter-spacing: 2px;
            margin-bottom: 0.5rem;
        }

        .heroWithBackgroundImage p {
            font-size: clamp(1.2rem, 5vw, 2rem);
            color: #d2f1fa;
            border-top: 2px solid #2eb8d6;
            display: inline-block;
            padding-top: 1.2rem;
            margin-top: 1rem;
            text-shadow: 0 2px 8px #000000;
            font-weight: 500;
            letter-spacing: 1px;
        }

        .responsiveSectionContainer {
            padding: 3rem 5%;
            border-bottom: 1px solid #1a2429;
        }

        @media (min-width: 900px) {
            .responsiveSectionContainer {
                padding: 4rem 8%;
            }
        }

        .sectionHeading {
            font-size: clamp(1.8rem, 5vw, 2.8rem);
            font-weight: 700;
            color: #72c9df;
            margin-bottom: 2.5rem;
            position: relative;
            padding-left: 1rem;
        }

        .sectionHeading::before {
            content: '';
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 80px;
            height: 5px;
            background: linear-gradient(90deg, #2eb8d6, #0e7490);
        }

        .aboutTwoColumnLayout {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            min-width: 0;
        }

        @media (min-width: 700px) {
            .aboutTwoColumnLayout {
                flex-direction: row;
                align-items: center;
            }
        }

        .aboutTextBlock,
        .aboutImage {
            min-width: 0;
        }

        .aboutTextBlock {
            flex: 1;
            background-color: #0d0d0b;
            padding: 1.8rem;
            
            color: #d6cbaf;
            font-size: 1.1rem;
            line-height: 1.8;
            box-shadow: 0 10px 25px rgba(0,0,0,0.6);
            overflow-wrap: anywhere;
        }

        .aboutImage {
            flex: 1;
           
            background: #151d22;
            border: 3px solid #2eb8d6;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            box-shadow: 0 15px 30px #00000099;
        }

        .aboutImage img {
            width: 100%;
           
            object-fit: cover;
            display: block;
            filter: brightness(0.9) contrast(1.2);
        }

        .productGridEightItems {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 640px) {
            .productGridEightItems {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1000px) {
            .productGridEightItems {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .productCard {
            background: #111417;
            border: 1px solid #2a3b44;
            transition: 0.2s;
            box-shadow: 0 15px 25px -10px #000000cc;
        }

        .productCard:hover {
            border-color: #2eb8d6;
            transform: translateY(-5px);
        }

        .productImageContainer {
            width: 100%;
            height: 200px;
            background: #1e1f1a;
            border-bottom: 3px solid #155e75;
            overflow: hidden;
        }

        .productImageContainer img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.3s ease;
        }

        .productCard:hover .productImageContainer img {
            transform: scale(1.05);
        }

        .productInfoContent {
            padding: 1.3rem 1.2rem 1.8rem;
        }

        .productInfoContent h3 {
            font-size: 1.5rem;
            color: #7dd3e8;
            line-height: 1.35;
        }

        .productInfoContent p {
            color: #8a9aa0;
            margin: 0.4rem 0 0.8rem;
        }

        .caseGridSixItems {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 700px) {
            .caseGridSixItems {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1100px) {
            .caseGridSixItems {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .caseCard {
            background: #0e0f10;
            border: 1px solid #2a3238;
            transition: 0.2s;
        }

        .caseCard:hover {
            border-color: #2eb8d6;
            transform: translateY(-5px);
        }

        .caseImageContainer {
            width: 100%;
            height: 200px;
            background: #202117;
            border-bottom: 3px solid #155e75;
            overflow: hidden;
        }

        .caseImageContainer img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.3s ease;
        }

        .caseCard:hover .caseImageContainer img {
            transform: scale(1.05);
        }

        .caseDescContent {
            padding: 1.2rem;
        }

        .caseDescContent h4 {
            color: #7dd3e8;
            font-size: 1.3rem;
            line-height: 1.35;
        }

        .caseDescContent p {
            color: #889090;
        }

        .guaranteeResponsiveGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        @media (min-width: 700px) {
            .guaranteeResponsiveGrid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .guaranteeCard {
            background: #121417;
            border: 1px solid #2d4048;
            padding: 1.8rem 0.5rem;
            text-align: center;
            transition: 0.2s;
        }

        .guaranteeCard:hover {
            border-color: #2eb8d6;
        }

        .guaranteeCard span {
            font-size: 2.5rem;
            filter: drop-shadow(0 0 6px #67e8f9);
        }

        .guaranteeCard h4 {
            color: #94d4e5;
            font-size: 1.2rem;
        }

        .guaranteeCard p {
            color: #7d9aa3;
            font-size: 0.85rem;
        }

        .contactFlexTwoColumn {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            background: #0b0d0a;
            border: 1px solid #2a3d45;
            padding: 2rem;
        }

        @media (min-width: 800px) {
            .contactFlexTwoColumn {
                flex-direction: row;
            }
        }

        .contactInfoCol {
            flex: 1;
        }

        .contactFormCol {
            flex: 1;
        }

        .contactRow {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
            color: #8aa9b5;
            border-bottom: 1px dashed #3d5a63;
            padding-bottom: 0.7rem;
            overflow-wrap: anywhere;
        }

        .contactRow .contactIcon {
            font-size: 1.8rem;
        }

        .businessHours {
            background: #1f1d16;
            border: 1px solid #3d5a63;
            color: #c5eef7;
            padding: 0.8rem;
            text-align: center;
            margin-top: 1.8rem;
        }

        .formGroup {
            margin-bottom: 1.2rem;
        }

        .formGroup input, .formGroup textarea {
            width: 100%;
            background: #121410;
            border: 1px solid #2a5a6a;
            color: #d4f0f8;
            padding: 0.9rem 1rem;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
        }

        .formGroup input:focus, .formGroup textarea:focus {
            border-color: #2eb8d6;
        }

        .formGroup textarea {
            min-height: 100px;
            resize: vertical;
        }

        .formSubmitBtn {
            border: 2px solid #2eb8d6;
            color: #8fd4e8;
            font-weight: 700;
            padding: 0.9rem;
            width: 100%;
            cursor: pointer;
            font-size: 1.1rem;
            background: #0f1a1f;
            transition: 0.2s;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .formSubmitBtn:hover {
            background: #2eb8d6;
            color: #061016;
        }

        .siteFooterLegal {
            padding: 2.5rem 5%;
            text-align: center;
            background: #070806;
            border-top: 3px solid #155e75;
        }

        .legalLinksContainer {
            display: flex;
            justify-content: center;
            gap: 3rem;
        }

        .legalLinksContainer a {
            color: #5cb3cc;
            text-decoration: none;
            border-bottom: 1px solid #3d524a;
            transition: color 0.2s;
        }

        .legalLinksContainer a:hover {
            color: #8fd4e8;
            border-bottom-color: #2eb8d6;
        }

        .copyrightTextSmall {
            margin-top: 1.5rem;
            color: #5c7078;
            font-size: 0.8rem;
        }

        @media (max-width: 768px) {
            .heroWithBackgroundImage {
                padding: 3rem 1rem 3.5rem;
            }

            .responsiveSectionContainer {
                padding: 2.2rem 1rem;
            }

            .sectionHeading {
                margin-bottom: 1.5rem;
                padding-left: 0.6rem;
            }

            .aboutTextBlock,
            .contactFlexTwoColumn {
                padding: 1.2rem;
            }
        }

        @media (max-width: 640px) {
            .productGridEightItems,
            .caseGridSixItems,
            .guaranteeResponsiveGrid {
                gap: 1rem;
            }

            .productInfoContent {
                padding: 1rem;
            }

            .productInfoContent h3 {
                font-size: 1.2rem;
            }

            .caseDescContent {
                padding: 1rem;
            }

            .caseDescContent h4 {
                font-size: 1.1rem;
            }

            .guaranteeCard {
                padding: 1rem 0.6rem;
            }

            .guaranteeCard span {
                font-size: 2rem;
            }

            .guaranteeCard h4 {
                font-size: 1rem;
            }

            .siteFooterLegal {
                padding: 1.5rem 1rem;
            }

            .legalLinksContainer {
                gap: 1rem;
                flex-direction: column;
            }
        }

        @media (max-width: 480px) {
            .heroWithBackgroundImage h1 {
                font-size: 2rem;
                letter-spacing: 1px;
            }

            .heroWithBackgroundImage p {
                font-size: 1rem;
                padding-top: 0.7rem;
                margin-top: 0.6rem;
            }

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

            .contactRow {
                align-items: flex-start;
                gap: 0.6rem;
                margin-bottom: 1rem;
            }

            .contactRow .contactIcon {
                font-size: 1.3rem;
                line-height: 1.2;
            }

            .formSubmitBtn {
                font-size: 1rem;
                padding: 0.8rem;
            }
        }

        .breadcrumb {
            font-size: 0.9rem;
            color: #7a9199;
            margin-bottom: 1rem;
            padding: 0 0.25rem;
        }

        .breadcrumb a {
            color: #5ce1f4;
            text-decoration: none;
        }

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .specTable {
            width: 100%;
            border-collapse: collapse;
            margin: 1.25rem 0;
            font-size: 0.95rem;
        }

        .specTable th,
        .specTable td {
            border: 1px solid #1e3a42;
            padding: 0.65rem 0.85rem;
            text-align: left;
            vertical-align: top;
        }

        .specTable th {
            background: #1a1d22;
            color: #8fd4e8;
            width: 34%;
            font-weight: 600;
        }

        .tableResponsiveWrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            margin: 1rem 0;
            max-width: 100%;
        }

        .tableResponsiveWrap .specTable {
            margin: 0;
            min-width: min(100%, 520px);
        }

        @media (max-width: 640px) {
            .specTable {
                font-size: 0.82rem;
            }

            .specTable th,
            .specTable td {
                padding: 0.45rem 0.5rem;
                word-break: break-word;
            }

            .specTable th {
                width: 36%;
            }

            .breadcrumb {
                font-size: 0.85rem;
                line-height: 1.45;
            }
        }

        .caseDetailMeta {
            color: #7a9199;
            font-size: 0.92rem;
            margin: 0.5rem 0 1.25rem;
        }

        .productDetailActions {
            margin-top: 1.25rem;
        }

        .productDetailActions a {
            display: inline-block;
            margin-right: 1rem;
            color: #5ce1f4;
            font-weight: 600;
            text-decoration: none;
            border-bottom: 1px solid transparent;
        }

        .productDetailActions a:hover {
            border-bottom-color: #5ce1f4;
        }

        .caseDetailLink {
            margin-top: 0.65rem;
        }

        .caseDetailLink a {
            color: #5ce1f4;
            font-weight: 600;
            text-decoration: none;
            font-size: 0.92rem;
        }

        .caseDetailLink a:hover {
            text-decoration: underline;
        }

        @media (max-width: 640px) {
            .productDetailActions a {
                min-height: 44px;
                padding: 0.45rem 0;
                line-height: 1.45;
                margin: 0.2rem 0.9rem 0.2rem 0;
                display: inline-flex;
                align-items: center;
            }

            .caseDetailLink a {
                min-height: 44px;
                display: inline-flex;
                align-items: center;
                padding: 0.25rem 0;
            }
        }