* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #C69C6D;
            --primary-dark: #9A6A38;
            --primary-light: rgba(198, 156, 109, 0.15);
            --text-dark: #1A1A1A;
            --text-gray: #666666;
            --text-light: #999999;
            --bg-white: #FFFFFF;
            --bg-gray: #F5F5F5;
            --bg-light: #F8F6F3;
            --border: #E5E5E5;
            --border-primary: rgba(198, 156, 109, 0.12);
            --shadow: rgba(0, 0, 0, 0.08);
            --shadow-hover: rgba(0, 0, 0, 0.15);
            --glass-bg: rgba(255, 255, 255, 0.1);
            --glass-border: rgba(255, 255, 255, 0.25);
            --glass-shadow: rgba(0, 0, 0, 0.12);
            --gradient-primary: linear-gradient(135deg, #C69C6D 0%, #E8C7A0 50%, #C69C6D 100%);
            --gradient-dark: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 50%, #0A0A0A 100%);
            --gradient-light: linear-gradient(135deg, #F8F8F8 0%, #FFFFFF 100%);
            --gradient-gold: linear-gradient(135deg, #C69C6D, #E8C7A0);
            --glow-primary: rgba(198, 156, 109, 0.4);
            
            /* 间距系统 (基于8px倍数) */
            --space-xs: 8px;
            --space-sm: 12px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 40px;
            --space-2xl: 64px;
            
            /* 字号规范 */
            --text-xs: 12px;
            --text-sm: 13px;
            --text-base: 14px;
            --text-md: 15px;
            --text-lg: 16px;
            --text-xl: 17px;
            --text-2xl: 20px;
            --text-3xl: 24px;
            --text-4xl: 28px;
            --text-5xl: 36px;
            
            /* 圆角 */
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            color: var(--text-dark);
            background: var(--bg-white);
            line-height: 1.5;
            overflow-x: hidden;
            position: relative;
            font-weight: 400;
        }
        

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.2;
        }
        h1 { font-size: 68px; }
h2 { font-size: 40px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
        p {
            font-size: 14px;
            font-weight: 400;
            line-height: 1.5;
            color: var(--text-gray);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--glass-border);
            transition: all 0.3s ease;
        }
        header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 8px 32px var(--glass-shadow);
        }
        .nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 20px;
        }
        .logo-svg {
            height: 40px;
            width: auto;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        nav a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 14px;
            position: relative;
            transition: color 0.3s ease;
        }
        nav a:hover,
        nav a.active {
            color: var(--primary);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }
        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 36px;
            font-weight: 500;
            font-size: 16px;
            line-height: 1.2;
            border-radius: 12px;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border: none;
            position: relative;
            overflow: hidden;
        }
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.6s ease;
        }
        .btn:hover::before {
            left: 100%;
        }
        .btn::after {
            content: '';
            position: absolute;
            inset: -2px;
            background: var(--gradient-primary);
            border-radius: 14px;
            z-index: -1;
            opacity: 0;
            filter: blur(8px);
            transition: opacity 0.4s ease;
        }
        .btn:hover::after {
            opacity: 1;
        }
        .btn-primary {
            background: var(--gradient-primary);
            background-size: 200% 200%;
            color: white;
            box-shadow: 0 8px 32px var(--glow-primary);
            animation: gradientShift 4s ease infinite;
        }
        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }
        .btn-primary:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 16px 48px var(--glow-primary);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 12px 40px var(--glow-primary);
        }
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 12px;
            position: relative;
            z-index: 1001;
        }
        .mobile-menu-btn span {
            width: 28px;
            height: 2px;
            background: var(--text-dark);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border-radius: 1px;
        }
        .mobile-menu-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }
        .mobile-menu-btn.active span:nth-child(2) {
            opacity: 0;
            transform: translateX(-10px);
        }
        .mobile-menu-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(8px, -8px);
        }
        .hero {
            position: relative;
            height: 100vh;
            min-height: 700px;
            overflow: hidden;
            margin-top: 80px;
        }
        .hero-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transform: scale(1.1);
            transition: opacity 1.2s ease, transform 8s ease;
            pointer-events: none;
        }
        .hero-slide.active {
            opacity: 1;
            transform: scale(1);
            pointer-events: auto;
        }
        .hero-slide.prev {
            transform: scale(1.15);
        }
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.6) 50%, rgba(0,0,0,0.8) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 10;
            height: 100%;
            display: flex;
            align-items: center;
            padding: 80px 0;
        }
        .hero-text {
            max-width: 720px;
            color: white;
            opacity: 0;
            transform: translateY(50px);
        }
        .hero-slide.active .hero-text {
            animation: heroTextSlideIn 1s ease forwards 0.5s;
        }
        @keyframes heroTextSlideIn {
            0% {
                opacity: 0;
                transform: translateY(50px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero-text h1 {
            color: white;
            margin-bottom: 28px;
            font-weight: 700;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            position: relative;
        }
        .hero-text h1::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 0;
            width: 120px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
        }
        .hero-text p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 48px;
            max-width: 600px;
            line-height: 1.6;
        }
        .hero-buttons {
            display: flex;
            gap: 20px;
            opacity: 0;
            transform: translateY(30px);
        }
        .hero-slide.active .hero-buttons {
            animation: heroButtonsSlideIn 1s ease forwards 0.8s;
        }
        @keyframes heroButtonsSlideIn {
            0% {
                opacity: 0;
                transform: translateY(30px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero-buttons .btn-primary {
            background: var(--primary);
            color: white;
        }
        .hero-indicators {
            position: absolute;
            bottom: 80px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 16px;
            z-index: 100;
        }
        .hero-indicator {
            width: 48px;
            height: 3px;
            border-radius: 1.5px;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }
        .hero-indicator::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--gradient-primary);
            transition: left 0.6s ease;
        }
        .hero-indicator.active {
            background: rgba(255, 255, 255, 0.1);
            width: 80px;
        }
        .hero-indicator.active::before {
            left: 0;
        }
        .hero-indicator:hover {
            background: rgba(255, 255, 255, 0.5);
        }
        /* Navigation Buttons */
        .hero-nav {
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            transform: translateY(-50%);
            display: flex;
            justify-content: space-between;
            padding: 0 40px;
            z-index: 100;
        }
        .hero-nav-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }
        .hero-nav-btn:hover {
            background: rgba(198, 156, 109, 0.2);
            border-color: var(--primary);
            transform: scale(1.1);
            box-shadow: 0 12px 40px rgba(198, 156, 109, 0.3);
        }
        .hero-nav-btn svg {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
        }
        /* Liquid Glass Effect for Navigation Buttons */
        .hero-nav-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(198, 156, 109, 0.1) 0%, transparent 50%);
            border-radius: 50%;
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .hero-nav-btn:hover::before {
            opacity: 1;
        }
        

        section {
            padding: 100px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 80px;
            position: relative;
        }
        .section-header h2 {
            margin-bottom: 30px;
            font-weight: 700;
            position: relative;
            display: inline-block;
        }
        .section-header p {
            font-size: 14px;
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-gray);
            line-height: 1.6;
            padding-top: 10px;
        }
        /* Liquid Glass Card */
        .card {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 12px 60px var(--glass-shadow);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
            overflow: hidden;
        }
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
            box-shadow: 0 0 20px var(--glow-primary);
        }
        .card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(198, 156, 109, 0.05) 0%, transparent 50%);
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .card:hover {
            transform: translateY(-12px) scale(1.02);
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
            border-color: var(--primary);
        }
        .card:hover::before {
            transform: scaleX(1);
        }
        .card:hover::after {
            opacity: 1;
        }
        .card-icon {
            width: 72px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-primary);
            border-radius: 16px;
            margin-bottom: 28px;
            box-shadow: 0 8px 32px var(--glow-primary);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .card:hover .card-icon {
            transform: scale(1.1) rotate(5deg);
            box-shadow: 0 12px 40px var(--glow-primary);
        }
        .card-icon svg {
            width: 28px;
            height: 28px;
            stroke: white;
            stroke-width: 1.5;
            fill: none;
        }
        .product-card-item {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 60px var(--glass-shadow);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            cursor: pointer;
            position: relative;
        }
        .product-card-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
            box-shadow: 0 0 20px var(--glow-primary);
            z-index: 10;
        }
        .product-card-item:hover {
            transform: translateY(-16px) scale(1.03);
            box-shadow: 0 28px 80px rgba(198, 156, 109, 0.2), 0 8px 32px rgba(0, 0, 0, 0.12);
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.9);
        }
        .product-card-item:hover::before {
            transform: scaleX(1);
        }
        .product-card-image {
            height: 200px;
            background: var(--bg-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
        }
        .product-card-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(198, 156, 109, 0.1) 0%, transparent 50%);
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .product-card-item:hover .product-card-image {
            transform: scale(1.05);
        }
        .product-card-item:hover .product-card-image::after {
            opacity: 1;
        }
        .product-card-image img {
            transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .product-card-item:hover .product-card-image img {
            transform: scale(1.08);
        }
        .product-card-content {
            padding: 28px;
            position: relative;
            z-index: 1;
        }
        .product-card-content h4 {
            margin-bottom: 12px;
            transition: color 0.3s ease, transform 0.3s ease;
        }
        .product-card-item:hover .product-card-content h4 {
            color: var(--primary);
            transform: translateY(-2px);
        }
        .product-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 500;
            font-size: 14px;
            margin-top: 16px;
            text-decoration: none;
            transition: gap 0.3s ease;
        }
        .product-card-item:hover .product-card-link {
            gap: 12px;
        }
        .product-card-link svg {
            width: 16px;
            height: 16px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            transition: transform 0.3s ease;
        }
        .product-card-item:hover .product-card-link svg {
            transform: translateX(4px);
        }
        .card h4 {
            margin-bottom: 12px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .product-entry {
            background: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 100%);
            color: white;
        }
        .product-entry-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .product-entry-text h2 {
            color: white;
            margin-bottom: 20px;
        }
        .product-entry-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            margin-bottom: 32px;
        }
        .product-entry-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .solution-card {
            padding: 48px 36px;
            text-align: center;
            transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 20px;
            cursor: pointer;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 12px 60px var(--glass-shadow);
            position: relative;
            overflow: hidden;
        }
        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
            box-shadow: 0 0 20px var(--glow-primary);
        }
        .solution-card:hover {
            background: rgba(255, 255, 255, 0.9);
            border-color: var(--primary);
            transform: translateY(-12px) scale(1.02);
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
        }
        .solution-card:hover::before {
            transform: scaleX(1);
        }
        .solution-card:hover h4 {
            color: var(--primary);
            transform: translateY(-2px);
        }
        .solution-card h4 {
            transition: all 0.3s ease;
            margin-bottom: 16px;
        }
        .bg-light {
            background: var(--bg-gray);
        }


        .case-card {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 60px var(--glass-shadow);
            transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            cursor: pointer;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            position: relative;
        }
        .case-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
            box-shadow: 0 0 20px var(--glow-primary);
            z-index: 10;
        }
        .case-card:hover {
            transform: translateY(-12px) scale(1.02);
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
        }
        .case-card:hover::before {
            transform: scaleX(1);
        }
        .case-image {
            height: 220px;
            background: var(--gradient-light);
            position: relative;
            overflow: hidden;
            border-radius: 20px 20px 0 0;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.4s ease;
        }
        .case-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(198, 156, 109, 0.1) 0%, transparent 50%);
            transition: all 0.4s ease;
        }
        .case-card:hover .case-image::before {
            background: linear-gradient(135deg, rgba(198, 156, 109, 0.25) 0%, transparent 50%);
        }
        .case-card:hover .case-image {
            transform: scale(1.05);
        }
        .case-content {
            padding: 28px;
        }
        .case-tag {
            display: inline-block;
            padding: 8px 20px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            border-radius: 24px;
            margin-bottom: 16px;
            border: 1px solid rgba(198, 156, 109, 0.3);
            transition: all 0.4s ease;
        }
        .case-card:hover .case-tag {
            background: var(--gradient-primary);
            color: white;
            border-color: var(--primary);
            box-shadow: 0 4px 20px var(--glow-primary);
        }
        .logo-wall {
            position: relative;
            padding: 12px 0;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 20px;
            box-shadow: 0 12px 60px var(--glass-shadow);
        }
        .logo-track {
            display: flex;
            gap: 15px;
            animation: scroll-left 20s linear infinite;
            text-align: left;
        }
        @keyframes scroll-left {
            from { transform: translateX(0); }
            to { transform: translateX(-50%); }
        }
        .logo-item {
            flex-shrink: 0;
            padding: 6px 20px;
            background: transparent;
            border: none;
            border-radius: 0;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            min-width: 150px;
            max-width: 250px;
            height: auto;
            font-weight: 500;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: none;
            backdrop-filter: none;
            -webkit-backdrop-filter: none;
            text-align: left;
            white-space: nowrap;
        }
        .logo-item:hover {
            color: var(--primary);
            transform: scale(1.08) translateY(-6px);
        }
        .strength-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
        }
        .strength-item {
            display: flex;
            gap: 24px;
            margin-bottom: 40px;
            position: relative;
            padding-left: 24px;
            transition: transform 0.3s ease;
        }
        .strength-item:hover {
            transform: translateX(8px);
        }
        .strength-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 40px;
            background: var(--gradient-primary);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--glow-primary);
        }
        .strength-item:last-child {
            margin-bottom: 0;
        }
        .strength-number {
            font-size: 56px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            position: relative;
            overflow: hidden;
            text-shadow: 0 0 20px var(--glow-primary);
        }
        .strength-number.counter {
            transition: all 0.5s ease;
        }
        .strength-number::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
            box-shadow: 0 0 10px var(--glow-primary);
        }
        .strength-item:hover .strength-number::after {
            transform: scaleX(1);
        }
        .strength-text h4 {
            margin-bottom: 8px;
            transition: color 0.3s ease;
        }
        .strength-item:hover .strength-text h4 {
            color: var(--primary);
        }
        .cta-section {
            background: var(--gradient-dark);
            color: white;
            text-align: center;
            padding: 120px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 50% 50%, rgba(198, 156, 109, 0.15) 0%, transparent 60%),
                        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
            animation: ctaPulse 8s ease-in-out infinite;
        }
        @keyframes ctaPulse {
            0%, 100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.05);
                opacity: 0.8;
            }
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(198, 156, 109, 0.1) 0%, transparent 50%);
            background-size: 200% 200%;
            animation: ctaGradientShift 10s ease infinite;
        }
        @keyframes ctaGradientShift {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }
        @keyframes zoomIn {
            0% { transform: scale(1); }
            100% { transform: scale(1.1); }
        }
        .cta-section .container {
            position: relative;
            z-index: 10;
        }
        .cta-section h2 {
            color: white;
            margin-bottom: 20px;
            font-weight: 700;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            position: relative;
            display: inline-block;
        }
        .cta-section h2::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--gradient-primary);
            border-radius: 2px;
            box-shadow: 0 0 20px var(--glow-primary);
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 48px;
            font-size: 14px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        footer {
            background: #000000;
            color: white;
            padding: 60px 0 30px;
            position: relative;
            overflow: hidden;
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
            position: relative;
            z-index: 10;
        }
        .footer-brand {
            position: relative;
        }
        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            text-decoration: none;
            color: white;
        }
        .footer-brand .logo-icon {
            width: 40px;
            height: 40px;
            background: #0066CC;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
        }
        .footer-brand .logo-text {
            font-weight: 700;
            font-size: 18px;
            color: white;
        }
        .footer-brand h3 {
            font-size: 18px;
            font-weight: 600;
            color: white;
            margin-bottom: 12px;
        }
        .footer-brand .year {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 12px;
        }
        .footer-brand .description {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.5;
            margin-bottom: 16px;
        }
        .footer-brand .slogan {
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
        }
        .footer-col h5 {
            color: white;
            margin-bottom: 24px;
            font-size: 16px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 12px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .contact-info li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
        }
        .contact-info li:last-child {
            margin-bottom: 0;
        }
        .contact-info .contact-icon {
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
        }
        .contact-info .contact-text {
            flex: 1;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .qr-code {
            text-align: center;
        }
        .qr-code h5 {
            margin-bottom: 20px;
        }
        .qr-code .qr-image {
            width: 120px;
            height: 120px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .qr-code .qr-text {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.4;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            position: relative;
            z-index: 10;
        }
        .footer-bottom p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            text-align: center;
            line-height: 1.5;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.8s ease;
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
        .page {
            display: none;
            min-height: 100vh;
        }
        .page.active {
            display: block;
        }
        .page-header {
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 100%);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: white;
            text-align: center;
            margin-top: 80px;
            position: relative;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,10,10,0.75) 0%, rgba(26,26,26,0.6) 100%);
            z-index: 1;
        }
        .page-header > * {
            position: relative;
            z-index: 2;
        }

        .page-header h1 {
            color: white;
            margin-bottom: 16px;
        }
        .page-header p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            max-width: 640px;
        }
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .product-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 4px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 32px var(--shadow-hover);
        }
        .product-card-image {
            height: 180px;
            background: linear-gradient(135deg, #F5F5F5 0%, #E8E8E8 100%);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .product-card-image svg {
            width: 80px;
            height: 80px;
            stroke: var(--primary);
            stroke-width: 1.2;
            fill: none;
        }
        .product-card-content {
            padding: 28px;
        }
        .compatibility-section {
            background: var(--bg-gray);
        }
        .compatibility-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .compatibility-item {
            text-align: center;
            padding: 40px;
        }
        .cases-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 50px;
        }
        .filter-tag {
            padding: 10px 24px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 4px;
            cursor: pointer;
            font-weight: 500;
            font-size: 14px;
            transition: all 0.3s ease;
        }
        .filter-tag:hover,
        .filter-tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: white;
        }
        .case-detail {
            display: none;
            padding: 60px 0;
        }
        .case-detail.active {
            display: block;
        }
        .case-detail-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .case-detail-image {
            height: 400px;
            background: linear-gradient(135deg, #F5F5F5 0%, #E8E8E8 100%);
            border-radius: 4px;
        }
        .case-detail-text h2 {
            margin-bottom: 16px;
        }
        /* ===== 关于我们页面优化 ===== */
        .about-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
            margin-top: 60px;
            position: relative;
        }
        .about-intro-text {
            position: relative;
        }
        .about-intro-text::before {
            content: '';
            position: absolute;
            top: -20px;
            left: 0;
            width: 60px;
            height: 2px;
            background: var(--gradient-primary);
            border-radius: 2px;
        }
        .about-intro-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-gray);
            margin-bottom: 20px;
            letter-spacing: 0.2px;
        }
        .about-intro-text p:first-of-type {
            margin-top: 30px;
        }
        .about-slogan {
            position: relative;
            padding: 48px 40px;
            background: linear-gradient(135deg, rgba(198,156,109,0.12) 0%, rgba(198,156,109,0.03) 100%);
            border-left: 4px solid var(--primary);
            border-radius: 0 20px 20px 0;
            margin-top: 40px;
            overflow: hidden;
            transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .about-slogan::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle at top right, rgba(198,156,109,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .about-slogan:hover {
            transform: translateX(8px);
            box-shadow: 0 12px 40px rgba(198,156,109,0.15);
        }
        .about-slogan h3 {
            color: var(--primary);
            font-size: 26px;
            margin: 0 0 16px 0;
            line-height: 1.4;
            font-weight: 600;
            position: relative;
            z-index: 1;
        }
        .about-slogan p {
            margin: 0;
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .about-image-container {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
        }
        .about-image-container::before {
            content: '';
            position: absolute;
            top: -20px;
            left: -20px;
            right: 20px;
            bottom: 20px;
            border: 2px solid rgba(198,156,109,0.3);
            border-radius: 24px;
            z-index: -1;
            pointer-events: none;
        }
        .about-image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            min-height: 380px;
        }
        .about-image-container:hover img {
            transform: scale(1.05);
        }
        .about-stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-top: 60px;
            padding-top: 50px;
            border-top: none;
            position: relative;
        }
        .about-stats-row::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 2px;
            background: var(--gradient-primary);
            border-radius: 2px;
        }
        .about-stat-item {
            text-align: center;
            padding: 40px 30px;
            background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(255,255,255,0.8) 100%);
            border: 1px solid rgba(198,156,109,0.15);
            border-radius: 20px;
            transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
            overflow: hidden;
        }
        .about-stat-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .about-stat-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 50px rgba(198,156,109,0.15);
            border-color: var(--primary);
        }
        .about-stat-item:hover::before {
            transform: scaleX(1);
        }
        .about-stat-item .stat-number {
            font-size: 48px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 12px;
            display: inline-block;
            position: relative;
        }
        .about-stat-item .stat-number::after {
            content: '+';
            font-size: 32px;
            font-weight: 600;
            color: var(--primary);
            opacity: 0.7;
            margin-left: 4px;
        }
        .about-stat-item .stat-label {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
            letter-spacing: 0.5px;
        }

        /* 时间线 - 居中交替布局 */
        .timeline {
            position: relative;
            max-width: 1000px;
            margin: 40px auto 0;
            padding: 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, transparent, var(--primary), var(--primary), transparent);
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            width: 50%;
            padding: 0 60px 48px 0;
            box-sizing: border-box;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }
        .timeline-item.active {
            opacity: 1;
            transform: translateY(0);
        }
        .timeline-item:nth-child(even) {
            margin-left: 50%;
            padding: 0 0 48px 60px;
        }
        .timeline-year {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .timeline-content {
            max-width: 100%;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 16px;
            height: 16px;
            background: var(--bg-white);
            border: 3px solid var(--primary);
            border-radius: 50%;
            z-index: 1;
            transition: all 0.3s ease;
        }
        .timeline-item:nth-child(odd)::before {
            right: -9px;
        }
        .timeline-item:nth-child(even)::before {
            left: -9px;
        }
        .timeline-item:hover::before {
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(198,156,109,0.2);
        }
        .timeline-item .timeline-content p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-gray);
        }
        .timeline-item:nth-child(odd) .timeline-content,
        .timeline-item:nth-child(odd) .timeline-year {
            text-align: right;
        }
        @media (max-width: 768px) {
            .timeline::before { left: 20px; }
            .timeline-item,
            .timeline-item:nth-child(even) {
                width: 100%;
                margin-left: 0;
                padding: 0 0 32px 56px;
            }
            .timeline-item:nth-child(odd)::before,
            .timeline-item:nth-child(even)::before {
                left: 11px;
            }
            .timeline-year {
                font-size: 20px;
                text-align: left !important;
            }
            .timeline-item:nth-child(odd) .timeline-content,
            .timeline-item:nth-child(odd) .timeline-year {
                text-align: left !important;
            }
            .timeline-content p {
                text-align: left !important;
            }
            .about-intro-grid { grid-template-columns: 1fr; gap: 32px; }
            .about-stats-row { grid-template-columns: repeat(2, 1fr); }
            /* 案例详情移动端响应式优化 - 移除灰色背景 */
            .case-detail-image {
                background: transparent !important;
                aspect-ratio: unset !important;
                height: auto !important;
            }
            .case-detail-content {
                grid-template-columns: 1fr !important;
            }
        }

        /* 资质荣誉卡片升级 */
        .cert-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .cert-card {
            text-align: center;
            padding: 48px 32px 40px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }
        .cert-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }
        .cert-card:hover::before {
            transform: scaleX(1);
        }
        .cert-card:hover {
            border-color: var(--primary);
            box-shadow: 0 12px 40px rgba(198,156,109,0.12);
            transform: translateY(-4px);
        }
        .cert-card .card-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(198,156,109,0.1) 0%, rgba(198,156,109,0.05) 100%);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }
        .cert-card .card-icon svg {
            width: 28px;
            height: 28px;
            fill: var(--primary);
        }
        .cert-card h4 {
            font-size: 20px;
            margin-bottom: 8px;
        }

        /* 售后服务流程升级 */
        .service-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            margin-top: 40px;
            padding: 48px 40px;
            background: var(--bg-white);
            border-radius: 16px;
            border: 1px solid var(--border);
            position: relative;
        }
        .service-step {
            text-align: center;
            padding: 0 16px;
            position: relative;
        }
        .service-step:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 32px;
            width: calc(100% - 80px);
            height: 2px;
            background: linear-gradient(to right, var(--primary), rgba(198,156,109,0.2));
            transform: translateX(50%);
        }
        .service-step-icon {
            width: 64px;
            height: 64px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 22px;
            font-weight: 700;
            color: white;
            box-shadow: 0 4px 16px rgba(198,156,109,0.3);
            position: relative;
            z-index: 1;
        }
        .service-step h4 {
            font-size: 20px;
            margin-bottom: 8px;
        }
        .service-step p {
            font-size: 13px;
            color: var(--text-gray);
            line-height: 1.6;
        }
        .service-step .highlight {
            color: var(--primary);
            font-weight: 700;
        }
        .feature-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 8px 32px var(--glass-shadow);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
            box-shadow: 0 0 20px var(--glow-primary);
        }
        .feature-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
            border-color: var(--primary);
        }
        .feature-card:hover::before {
            transform: scaleX(1);
        }
        .feature-card h4 {
            color: var(--text-dark);
            font-size: 18px;
            font-weight: 600;
            transition: color 0.3s ease;
        }
        .feature-card:hover h4 {
            color: var(--primary);
        }
        .feature-card p {
            font-size: 13px;
            color: var(--text-gray);
            line-height: 1.8;
            margin: 0;
        }
        .feature-number {
            width: 36px;
            height: 36px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 4px 16px var(--glow-primary);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            flex-shrink: 0;
        }
        .feature-card:hover .feature-number {
            transform: scale(1.15) rotate(5deg);
            box-shadow: 0 8px 24px var(--glow-primary);
        }
        @media (max-width: 768px) {
            .service-flow {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
                padding: 32px 24px;
            }
            .service-step:not(:last-child)::after { display: none; }
        }

        .contact-section {
            background: var(--bg-gray);
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 40px;
        }
        .contact-info-item {
            display: flex;
            gap: 20px;
        }
        .contact-icon {
            width: 56px;
            height: 56px;
            background: var(--primary);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .contact-icon svg {
            width: 24px;
            height: 24px;
            stroke: white;
            stroke-width: 1.5;
            fill: none;
        }
        .contact-map {
            height: 400px;
            background: linear-gradient(135deg, #F5F5F5 0%, #E8E8E8 100%);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 18px;
        }
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.85);
            z-index: 2000;
            display: none;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .modal.active {
            display: flex;
        }
        .modal-content {
            max-width: 90%;
            max-height: 90%;
            cursor: default;
        }
        .modal-close {
            position: absolute;
            top: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .modal-close:hover {
            transform: rotate(90deg);
        }
        .modal-close svg {
            width: 24px;
            height: 24px;
            stroke: var(--text-dark);
            stroke-width: 2;
            fill: none;
        }
        .back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            margin-bottom: 40px;
            transition: color 0.3s ease;
        }
        .back-home:hover {
            color: var(--primary-dark);
        }
        .back-home svg {
            width: 20px;
            height: 20px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
        }
        @media (max-width: 1200px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 992px) {
            nav {
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 40px 30px;
                gap: 24px;
                box-shadow: 0 16px 48px var(--glass-shadow);
                border-bottom: 1px solid var(--glass-border);
                transform: translateY(-100%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            }
            nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .mobile-overlay {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 999;
                opacity: 0;
                pointer-events: none;
                transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            }
            .mobile-overlay.active {
                opacity: 1;
                pointer-events: all;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .product-entry-content {
                grid-template-columns: 1fr;
            }
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .strength-content {
                grid-template-columns: 1fr;
                gap: 60px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compatibility-grid {
                grid-template-columns: 1fr;
            }
            .case-detail-content {
                grid-template-columns: 1fr;
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
        }
        /* 悬浮咨询按钮 */
        .floating-consult {
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 999;
            cursor: move;
            width: 120px;
            height: 48px;
        }
        .consult-button {
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
        }
        .consult-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(198, 156, 109, 0.1) 0%, transparent 50%);
            border-radius: 24px;
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .consult-button:hover {
            background: rgba(198, 156, 109, 0.2);
            border-color: var(--primary);
            transform: scale(1.05);
            box-shadow: 0 12px 40px rgba(198, 156, 109, 0.3);
        }
        .consult-button:hover::before {
            opacity: 1;
        }
        .consult-panel {
            position: fixed;
            background: rgba(255, 255, 255, 0.6);
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 12px 60px var(--glass-shadow), 0 0 0 1px rgba(255, 255, 255, 0.2) inset, 0 0 20px rgba(198, 156, 109, 0.1);
            backdrop-filter: blur(40px);
            -webkit-backdrop-filter: blur(40px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            min-width: 300px;
            max-width: 90vw;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            z-index: 1000;
            overflow: hidden;
            pointer-events: none;
        }
        .consult-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(198, 156, 109, 0.1) 0%, rgba(255, 255, 255, 0.05) 25%, rgba(198, 156, 109, 0.05) 50%, rgba(255, 255, 255, 0.05) 75%, rgba(198, 156, 109, 0.1) 100%);
            pointer-events: none;
            animation: liquidMove 6s ease-in-out infinite;
        }
        .consult-panel.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }
        /* 三角形指示器 - 不同方向 */
        .consult-panel.triangle-bottom::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 10px solid transparent;
            border-right: 10px solid transparent;
            border-top: 10px solid rgba(255, 255, 255, 0.6);
        }
        .consult-panel.triangle-top::after {
            content: '';
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 10px solid transparent;
            border-right: 10px solid transparent;
            border-bottom: 10px solid rgba(255, 255, 255, 0.6);
        }
        .consult-panel.triangle-left::after {
            content: '';
            position: absolute;
            left: -10px;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            height: 0;
            border-top: 10px solid transparent;
            border-bottom: 10px solid transparent;
            border-right: 10px solid rgba(255, 255, 255, 0.6);
        }
        .consult-panel.triangle-right::after {
            content: '';
            position: absolute;
            right: -10px;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            height: 0;
            border-top: 10px solid transparent;
            border-bottom: 10px solid transparent;
            border-left: 10px solid rgba(255, 255, 255, 0.6);
        }
        .consult-panel h4 {
            margin-bottom: 16px;
            color: var(--text-dark);
        }
        .consult-info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .consult-info-item:last-child {
            margin-bottom: 0;
        }
        .consult-info-icon {
            width: 32px;
            height: 32px;
            background: var(--primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .consult-info-icon svg {
            width: 16px;
            height: 16px;
            stroke: var(--primary);
            stroke-width: 1.5;
            fill: none;
        }
        .consult-info-text {
            flex: 1;
        }
        .consult-info-text p {
            margin: 0;
            font-size: 14px;
            color: var(--text-gray);
        }
        .wechat-qr {
            margin-top: 16px;
            text-align: center;
        }
        .wechat-qr img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            margin-bottom: 8px;
        }
        .wechat-qr p {
            margin: 0;
            font-size: 14px;
            color: var(--text-gray);
        }
        @media (max-width: 1200px) {
            .hero-visual {
                width: 50%;
            }
        }
        @media (max-width: 992px) {
            .hero-visual {
                width: 45%;
                opacity: 0.6;
            }
        }
        @media (max-width: 768px) {
            .hero-visual {
                width: 100%;
                height: 45%;
                top: auto;
                bottom: 0;
                right: 0;
                justify-content: center;
                padding-right: 0;
                padding-bottom: 20px;
                opacity: 0.5;
            }
            .hero-svg {
                max-height: 280px;
            }
            .container {
                padding: 0 20px;
            }
            h1 { font-size: 36px; }
            h2 { font-size: 24px; }
            h3 { font-size: 20px; }
            h4 { font-size: 16px; }
            h5 { font-size: 14px; }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .products-grid {
                grid-template-columns: 1fr;
            }
            .cert-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
            .floating-consult {
                bottom: 20px;
                right: 20px;
                width: 100px;
                height: 40px;
            }
            .consult-button {
                font-size: 13px;
                border-radius: 20px;
            }
            .consult-panel {
                min-width: 280px;
                max-width: 90vw;
                padding: 20px;
                left: 50% !important;
                right: auto !important;
                transform: translateX(-50%) !important;
                bottom: 80px !important;
                top: auto !important;
            }
            .consult-panel h4 {
                font-size: 18px;
            }
            .consult-info-item p {
                font-size: 14px;
            }
            .wechat-qr img {
                width: 80px !important;
                height: 80px !important;
            }
            /* 移动端联系弹窗优化 */
            #contactModal {
                padding: 20px;
            }
            #contactModal > div {
                max-width: 100%;
                width: 100%;
                padding: 30px 20px;
            }
        }
        
        /* 资质图片展示样式 */
        .certification-row {
            display: flex;
            gap: 20px;
            margin-bottom: 20px;
            overflow: hidden;
        }
        
        .certification-row > div {
            flex: 0 0 auto;
            width: calc((100% - 220px) / 12);
            min-width: 100px;
        }
        
        .certification-row img {
            width: 100%;
            height: 150px;
            object-fit: contain;
            border-radius: 8px;
            transition: transform 0.4s ease;
            cursor: pointer;
        }
        
        .certification-row img:hover {
            transform: scale(1.08);
            box-shadow: 0 12px 40px rgba(198, 156, 109, 0.3);
        }
        
        /* 资质图片查看模态框 */
        .cert-modal {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.9);
            z-index: 2000;
            display: none;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        
        .cert-modal.active {
            display: flex;
        }
        
        .cert-modal-content {
            max-width: 90%;
            max-height: 90%;
            cursor: default;
        }
        
        .cert-modal-content img {
            max-width: 100%;
            max-height: 85vh;
            border-radius: 8px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
        }
        
        .cert-modal-close {
            position: absolute;
            top: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .cert-modal-close:hover {
            transform: rotate(90deg);
            background: var(--primary);
        }
        
        .cert-modal-close:hover svg {
            stroke: white;
        }
        
        .cert-modal-close svg {
            width: 24px;
            height: 24px;
            stroke: var(--text-dark);
        }
        
        /* ========================================
           产品中心模块 - 统一组件样式
           ======================================== */
        
        /* 统一模块标题区 */
        .product-section-header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }
        
        .product-section-title {
            font-size: var(--text-5xl);
            font-weight: 700;
            background: var(--gradient-gold);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: var(--space-md);
        }
        
        .product-section-subtitle {
            font-size: var(--text-lg);
            color: var(--text-gray);
            max-width: 900px;
            margin: 0 auto;
            line-height: 1.6;
        }
        
        /* 统一卡片样式 */
        .product-card {
            padding: var(--space-lg);
            background: var(--bg-white);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-lg);
            box-shadow: 0 6px 24px var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        
        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px var(--shadow-hover);
            border-color: var(--primary);
        }
        
        /* 统一功能卡片 */
        .product-feature-card {
            padding: var(--space-lg);
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-lg);
            box-shadow: 0 6px 24px var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        
        .product-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px var(--shadow-hover);
            border-color: var(--primary);
        }
        
        /* 统一价值卡片 */
        .product-value-card {
            padding: var(--space-lg);
            text-align: center;
            background: linear-gradient(135deg, rgba(198, 156, 109, 0.08), rgba(255, 255, 255, 0.5));
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
        }
        
        .product-value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 3px;
            background: var(--gradient-gold);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }
        
        /* 统一亮点卡片 - 左侧装饰线 */
        .product-highlight-card {
            display: flex;
            gap: var(--space-lg);
            padding: var(--space-lg);
            background: rgba(198, 156, 109, 0.05);
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--primary);
            transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
        }
        
        .product-highlight-card:hover {
            background: rgba(198, 156, 109, 0.08);
        }
        
        /* 统一功能区标题 */
        .product-content-title {
            font-size: var(--text-2xl);
            font-weight: 600;
            color: var(--primary);
            margin-bottom: var(--space-lg);
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }
        
        .product-content-title::before {
            content: '';
            width: 4px;
            height: 24px;
            background: var(--gradient-gold);
            border-radius: 2px;
        }
        
        /* 统一图标容器 */
        .product-icon-box {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .product-icon-box svg {
            width: 24px;
            height: 24px;
            stroke: white;
            stroke-width: 1.5;
        }
        
        /* 统一小图标（勾选等） */
        .product-icon-small {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--gradient-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(198, 156, 109, 0.3);
        }
        
        .product-icon-small svg {
            width: 14px;
            height: 14px;
            stroke: white;
            stroke-width: 2.5;
        }
        
        /* 统一网格布局 */
        .product-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }
        
        .product-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }
        
        .product-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }
        
        .product-grid-5 {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--space-md);
        }
        
        /* 统一内边距 */
        .product-padding-section {
            padding: var(--space-2xl) 0;
        }
        
        .product-padding-inner {
            padding: var(--space-xl);
        }
        
        /* 响应式 */
        @media (max-width: 1200px) {
            .product-grid-5 {
                grid-template-columns: repeat(3, 1fr);
            }
            .product-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .product-grid-5,
            .product-grid-4,
            .product-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .product-section-title {
                font-size: var(--text-4xl);
            }
        }
        
        @media (max-width: 480px) {
            .product-grid-5,
            .product-grid-4,
            .product-grid-3,
            .product-grid-2 {
                grid-template-columns: 1fr;
            }
            .product-section-title {
                font-size: var(--text-3xl);
            }
        }
        
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* 更多产品系列 - 响应式布局 */
        @media (max-width: 768px) {
            .more-products-grid {
                gap: 12px !important;
                padding: 0 16px;
            }
            
            .more-product-item {
                flex: 1 1 100% !important;
                max-width: 100% !important;
                width: 100% !important;
                justify-content: flex-start;
            }
            
            .queue-features-wrapper {
                justify-content: flex-start !important;
                gap: 12px !important;
                padding: 0 16px !important;
            }
            
            .queue-feature-item {
                flex: 1 1 100% !important;
                max-width: 100% !important;
                width: 100% !important;
                justify-content: flex-start !important;
                padding: 12px 16px !important;
            }
            
            .queue-feature-icon {
                flex-shrink: 0 !important;
            }
            
            .queue-feature-text {
                text-align: left !important;
            }
            
            .passage-features-grid {
                grid-template-columns: 1fr !important;
            }
            
            .passage-feature-item {
                justify-content: flex-start !important;
            }
            
            .passage-feature-icon {
                flex-shrink: 0 !important;
            }
            
            .passage-feature-text {
                text-align: left !important;
            }
            
            .passage-features-container {
                padding: 30px 20px !important;
            }
        }

        @media (max-width: 480px) {
            .more-products-grid {
                gap: 10px !important;
            }
            
            .more-product-item {
                padding: 10px 16px !important;
            }
            
            .more-product-item span {
                font-size: 13px !important;
            }
            
            .queue-features-wrapper {
                gap: 10px !important;
            }
            
            .queue-feature-item {
                padding: 10px 14px !important;
            }
            
            .queue-feature-text {
                font-size: 14px !important;
            }
            
            .passage-features-grid {
                grid-template-columns: 1fr !important;
            }
            
            .passage-feature-item {
                justify-content: flex-start !important;
            }
            
            .passage-feature-icon {
                flex-shrink: 0 !important;
            }
            
            .passage-feature-text {
                text-align: left !important;
            }
            
            .passage-features-container {
                padding: 30px 20px !important;
            }
        }