* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
        }

        body {
            background-color: #f0f4fa;
            color: #1e2b3a;
        }

        :root {
            --primary-sapphire: #0a4b7a;
            --primary-cobalt: #063457;
            --accent-crimson: #e84c3d;
            --accent-coral: #ff6b5c;
            --background-ghost: #f8fafd;
            --border-mist: #e0e8f0;
            --text-charcoal: #1e2b3a;
            --text-stone: #4f5f6f;
            --shadow-float: 0 15px 35px -10px rgba(10, 50, 80, 0.12);
        }

        .frameworkContainer, .heroSectionWrapper, .heroContentFlex, .heroIllustrationBox, 
        .corporateProfileCard, .statisticsPanel, .productDisplayCard, .productImageContainer,
        .projectShowcaseCard, .projectImageBlock, .serviceAssuranceItem, .contactDualColumn,
        .quickMessagePanel, .globalFooter, .primaryButton, input, select, textarea, 
        .productBadgeLabel, .highlightChip, .heroQualificationBadge, .navigationBar, 
        .mobileMenuToggle, .mobileMenuDrawer {
            border-radius: 5px !important;
        }

        .frameworkContainer {
            max-width: 1400px;
            margin: 0 auto;
            background-color: white;
            box-shadow: 0 0 50px rgba(0,0,0,0.05);
            position: relative;
        }

        /* 导航栏样式 */
        .navigationBar {
            background: white;
            padding: 1rem 4rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 2px solid var(--border-mist);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .logoArea {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .logoIcon {
            font-size: 2rem;
            color: var(--primary-sapphire);
        }

        .logoText {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-sapphire);
            letter-spacing: -0.02em;
        }

        .desktopMenu {
            display: flex;
            gap: 2.5rem;
            align-items: center;
        }

        .desktopMenu a {
            text-decoration: none;
            color: var(--text-charcoal);
            font-weight: 500;
            font-size: 1.1rem;
            transition: color 0.2s;
            white-space: nowrap;
            cursor: pointer;
        }

        .desktopMenu a:hover {
            color: var(--accent-crimson);
        }

        .mobileMenuToggle {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            cursor: pointer;
            color: var(--primary-sapphire);
            padding: 0.5rem;
            z-index: 1001;
        }

        .mobileMenuDrawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 350px;
            height: 100vh;
            background: white;
            z-index: 2000;
            padding: 2rem;
            box-shadow: -5px 0 30px rgba(0,0,0,0.1);
            transition: right 0.3s ease;
            overflow-y: auto;
        }

        .mobileMenuDrawer.open {
            display: block;
            right: 0;
        }

        .drawerHeader {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid var(--border-mist);
        }

        .drawerLogo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary-sapphire);
        }

        .closeDrawer {
            background: none;
            border: none;
            font-size: 2rem;
            cursor: pointer;
            color: var(--text-stone);
            padding: 0.5rem;
        }

        .drawerMenu {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .drawerMenu a {
            text-decoration: none;
            color: var(--text-charcoal);
            font-size: 1.2rem;
            font-weight: 500;
            padding: 0.8rem 1rem;
            background: var(--background-ghost);
            border-radius: 5px;
            transition: all 0.2s;
            cursor: pointer;
            display: block;
        }

        .drawerMenu a:hover {
            background: var(--accent-crimson);
            color: white;
        }

        .drawerOverlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 1999;
        }

        .drawerOverlay.open {
            display: block;
        }

        .sectionSpacing {
            padding: 5rem 4rem;
        }

        .sectionHeading {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 2.5rem;
            color: var(--primary-sapphire);
            position: relative;
            display: inline-block;
        }
        .sectionHeading:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--accent-crimson);
            border-radius: 5px;
        }

        .heroSectionWrapper {
            background: linear-gradient(135deg, #0a4b7a 0%, #1f6a9c 100%);
            color: white;
        }

        .heroContentFlex {
            max-width: 1400px;
            margin: 0 auto;
            padding: 3rem 4rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 3rem;
            flex-wrap: wrap;
        }

        .heroLeftColumn {
            flex: 1 1 400px;
        }

        .heroLeftColumn h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .heroLeftColumn .heroSubheadline {
            font-size: 1.4rem;
            opacity: 0.9;
            margin: 1.5rem 0 1rem 0;
            border-left: 0px solid var(--accent-crimson);
            padding-left: 1.8rem;
        }

        .heroQualificationBadge {
            background: rgba(255,255,255,0.18);
            backdrop-filter: blur(4px);
            display: inline-block;
            padding: 0.5rem 1.8rem;
            font-weight: 500;
            border: 1px solid rgba(255,255,255,0.3);
            font-size: 1rem;
            margin-top: 1rem;
            border-radius: 5px;
        }

        .heroRightColumn {
            flex: 1 1 400px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .heroIllustrationBox {
            width: 100%;
            max-width: 500px;
            height: auto;
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            backdrop-filter: blur(5px);
            box-shadow: 0 30px 40px -20px rgba(0,0,0,0.4);
            border: 1px solid rgba(255,255,255,0.25);
            transition: transform 0.3s;
            border-radius: 5px;
        }

        .heroIllustrationBox svg {
            width: 100%;
            height: auto;
            display: block;
        }

        .corporateProfileGrid {
            display: flex;
            gap: 4rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .profileTextBlock {
            flex: 1.2;
            min-width: 300px;
        }

        .profileTextBlock p {
            font-size: 1.16rem;
            line-height: 1.7;
            color: var(--text-stone);
            margin-bottom: 1.5rem;
        }

        .highlightChip {
            background: #eef3fa;
            padding: 0.3rem 1rem;
            font-weight: 600;
            color: var(--primary-sapphire);
            display: inline-block;
            margin-right: 0.8rem;
            border-radius: 5px;
        }

        .statisticsPanel {
            flex: 0.8;
            min-width: 280px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            background: var(--background-ghost);
            padding: 2rem 2.5rem;
            border: 1px solid var(--border-mist);
            border-radius: 5px;
        }

        .statItem {
            text-align: center;
        }

        .statNumber {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary-sapphire);
            line-height: 1;
        }

        .statLabel {
            color: var(--text-stone);
            font-size: 1rem;
            margin-top: 0.3rem;
        }

        .productCatalogGrid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .productDisplayCard {
            background: white;
            overflow: hidden;
            box-shadow: var(--shadow-float);
            border: 1px solid #ecf2f9;
            transition: all 0.2s;
            border-radius: 5px;
        }

        .productDisplayCard:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 45px -12px var(--primary-sapphire);
        }

        .productImageContainer {
            height: 190px;
            background-size: cover;
            background-position: center;
            background-color: #d9e2ed;
            display: flex;
            align-items: flex-end;
            justify-content: flex-start;
            padding: 1rem;
            border-radius: 5px 5px 0 0;
        }

        .productImageVariantOne { background-image: linear-gradient(115deg, #224e6e, #4b83b0), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 120" opacity="0.2"><circle cx="50" cy="40" r="30" fill="white"/><circle cx="140" cy="70" r="40" fill="white"/></svg>'); background-blend-mode: overlay; }
        .productImageVariantTwo { background-image: linear-gradient(115deg, #1f6a4a, #3c9e75), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 120" opacity="0.2"><rect x="20" y="30" width="150" height="40" fill="white"/></svg>');}
        .productImageVariantThree { background-image: linear-gradient(115deg, #b3582c, #dd8545), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 120" opacity="0.15"><polygon points="30,80 100,20 170,80" fill="white"/></svg>');}
        .productImageVariantFour { background-image: linear-gradient(115deg, #5f3f6b, #936dab), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 120" opacity="0.15"><circle cx="100" cy="60" r="45" fill="white"/></svg>');}
        .productImageVariantFive { background-image: linear-gradient(115deg, #2f5575, #5783a8), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 120" opacity="0.2"><path d="M40,70 L160,70 L140,100 L60,100 Z" fill="white"/></svg>');}

        .productBadgeLabel {
            background: var(--accent-crimson);
            color: white;
            font-weight: 600;
            padding: 0.3rem 1.2rem;
            font-size: 0.8rem;
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
            border-radius: 5px;
        }

        .productDescriptionBlock {
            padding: 1.5rem 1.2rem 1.2rem;
        }

        .productDescriptionBlock h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }

        .productSpecText {
            color: var(--text-stone);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        .productMetaRow {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px dashed var(--border-mist);
            padding-top: 0.8rem;
        }

        .productPriceTag {
            font-weight: 700;
            color: var(--primary-sapphire);
        }

        .inquiryFormContainer {
            margin-top: 3rem;
            background: white;
            padding: 2.5rem;
            box-shadow: var(--shadow-float);
            border-radius: 5px;
        }

        .inquiryHeading {
            font-size: 2rem;
            color: var(--primary-sapphire);
            margin-bottom: 1rem;
        }

        .inquirySubheading {
            margin-bottom: 2rem;
            color: var(--text-stone);
        }

        .formFieldGrid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
        }

        .formGroup {
            margin-bottom: 1.2rem;
        }

        input, select, textarea {
            width: 100%;
            padding: 1rem 1.2rem;
            border: 1.5px solid var(--border-mist);
            font-size: 1rem;
            transition: 0.2s;
            border-radius: 5px !important;
        }

        textarea {
            resize: vertical;
        }

        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: var(--accent-crimson);
            box-shadow: 0 0 0 3px rgba(232, 76, 61, 0.2);
        }

        .primaryButton {
            background: var(--accent-crimson);
            color: white;
            border: none;
            padding: 1rem 2rem;
            font-size: 1.2rem;
            font-weight: 600;
            width: 100%;
            cursor: pointer;
            transition: 0.2s;
            border: 1px solid var(--accent-coral);
            border-radius: 5px !important;
            margin-top: 1rem;
        }

        .primaryButton:hover {
            background: #d43f30;
            transform: scale(0.99);
        }

        .projectShowcaseGrid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .projectShowcaseCard {
            background: white;
            overflow: hidden;
            box-shadow: var(--shadow-float);
            border-radius: 5px;
        }

        .projectImageBlock {
            height: 220px;
            background-size: cover;
            position: relative;
            border-radius: 5px 5px 0 0;
        }

   

        .projectTag {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--accent-crimson);
            color: white;
            padding: 0.3rem 1.5rem;
            font-weight: 600;
            font-size: 0.85rem;
            border-radius: 5px;
        }

        .projectTextContent {
            padding: 1.5rem;
        }

        .assuranceGrid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin: 2rem 0 1rem;
        }

        .serviceAssuranceItem {
            background: var(--background-ghost);
            padding: 2.2rem 1rem;
            text-align: center;
            border: 1px solid var(--border-mist);
            transition: all 0.2s;
            border-radius: 5px;
        }

        .assuranceIcon {
            font-size: 3.5rem;
            line-height: 1;
            margin-bottom: 1rem;
        }

        .serviceAssuranceItem h4 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-sapphire);
            margin-bottom: 0.5rem;
        }

        .serviceAssuranceItem p {
            color: var(--text-stone);
            max-width: 200px;
            margin: 0 auto;
        }

        .contactDualColumn {
            display: flex;
            gap: 3rem;
            background: var(--primary-sapphire);
            padding: 3rem;
            color: white;
            margin-top: 2rem;
            border-radius: 5px;
            flex-wrap: wrap;
        }

        .contactInformationBlock {
            flex: 1;
            min-width: 280px;
            width: 100%;
        }

        .contactInformationBlock h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2rem;
        }

        .contactDetailRow {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            margin-bottom: 1.8rem;
            font-size: 1.2rem;
            flex-wrap: wrap;
        }

        .contactIconBox {
            background: rgba(255,255,255,0.15);
            width: 54px;
            height: 54px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            border-radius: 5px;
            flex-shrink: 0;
        }

        .contactDetailRow span {
            word-break: break-word;
            flex: 1;
        }

        .businessHoursBox {
            background: rgba(255,255,255,0.1);
            padding: 0.8rem;
            text-align: center;
            border-radius: 5px;
            width: 100%;
        }

        .globalFooter {
            background: #1e2b3a;
            color: #b0c4d9;
            padding: 2.5rem 4rem;
            margin-top: 2rem;
            border-radius: 5px;
        }

        .footerLinkBar {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #31465a;
            padding-bottom: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .footerLinkBar div:first-child {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footerLinkBar a {
            color: #d2e0f0;
            text-decoration: none;
            margin-right: 2rem;
            font-weight: 500;
            white-space: nowrap;
            cursor: pointer;
        }

        .footerLinkBar a:hover {
            color: var(--accent-crimson);
        }

        .copyrightNotice {
            font-size: 0.9rem;
            text-align: center;
            opacity: 0.8;
            word-break: break-word;
        }

        /* 响应式导航 */
        @media (max-width: 1000px) {
            .navigationBar {
                padding: 1rem 2rem;
            }
            
            .desktopMenu {
                display: none;
            }
            
            .mobileMenuToggle {
                display: block;
            }
            
            .sectionSpacing { 
                padding: 3rem 2rem; 
            }
            
            .heroContentFlex { 
                padding: 2rem; 
            }
            
            .projectShowcaseGrid { 
                grid-template-columns: 1fr 1fr; 
            }
            
            .assuranceGrid { 
                grid-template-columns: 1fr 1fr; 
            }
        }

        @media (max-width: 768px) {
            .contactDetailRow {
                flex-direction: row;
                align-items: flex-start;
            }
            
            .contactInformationBlock h3 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 700px) {
            .projectShowcaseGrid { 
                grid-template-columns: 1fr; 
            }
            
            .heroLeftColumn h1 { 
                font-size: 2.5rem; 
            }
            
            .corporateProfileGrid { 
                flex-direction: column; 
            }
            
            .statisticsPanel { 
                width: 100%; 
            }
            
            .productCatalogGrid { 
                grid-template-columns: 1fr; 
            }
            
            .footerLinkBar {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            
            .footerLinkBar div:first-child {
                flex-direction: column;
                gap: 0.8rem;
            }
            
            .footerLinkBar a {
                margin-right: 0;
            }
            
            .globalFooter {
                padding: 2rem;
            }
        }

        @media (max-width: 480px) {
            .navigationBar {
                padding: 1rem;
            }
            
            .logoText {
                font-size: 1.2rem;
            }
            
            .sectionSpacing { 
                padding: 2rem 1rem; 
            }
            
            .heroContentFlex { 
                padding: 1.5rem; 
            }
            
            .statisticsPanel {
                padding: 1.5rem;
                gap: 1rem;
            }
            
            .statNumber {
                font-size: 2rem;
            }
            
            .contactDualColumn {
                padding: 1.5rem;
            }
            
            .contactDetailRow {
                font-size: 1rem;
            }
            
            .contactIconBox {
                width: 44px;
                height: 44px;
                font-size: 1.4rem;
            }
            
            .contactInformationBlock h3 {
                font-size: 1.5rem;
                margin-bottom: 1.5rem;
            }
            
            .inquiryFormContainer {
                padding: 1.5rem;
            }
            
            .inquiryHeading {
                font-size: 1.5rem;
            }
            
            .globalFooter {
                padding: 1.5rem;
            }
        }

        .inquiry-form-note {
            margin-top: 1rem;
            color: var(--primary-sapphire);
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.5;
        }