:root {
            /* 明亮模式变量 */
            --primary-color: #2563eb;
            --primary-light: #3b82f6;
            --secondary-color: #8b5cf6;
            --accent-color: #ec4899;
            --text-color: #1e293b;
            --text-light: #64748b;
            --bg-color: #ffffff;
            --bg-secondary: #f8fafc;
            --card-bg: #ffffff;
            --border-color: #e2e8f0;
            --shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.15);
            --hero-gradient: linear-gradient(135deg, #e0f2fe 0%, #ede9fe 100%);
            --glass-bg: rgba(255, 255, 255, 0.85);
            
            /* 公共变量 */
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            --border-radius: 16px;
            --section-padding: 120px 0;
            --header-height: 80px;
        }

        /* 暗黑模式变量 */
        [data-theme="dark"] {
            --primary-color: #60a5fa;
            --primary-light: #93c5fd;
            --secondary-color: #a78bfa;
            --accent-color: #f472b6;
            --text-color: #e2e8f0;
            --text-light: #94a3b8;
            --bg-color: #0f172a;
            --bg-secondary: #1e293b;
            --card-bg: rgba(30, 41, 59, 0.9);
            --border-color: #334155;
            --shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.5);
            --hero-gradient: linear-gradient(135deg, #0c4a6e 0%, #5b21b6 100%);
            --glass-bg: rgba(15, 23, 42, 0.85);
        }

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

        body {
            font-family: 'Noto Sans SC', 'Montserrat', sans-serif;
            color: var(--text-color);
            background-color: var(--bg-color);
            line-height: 1.6;
            transition: var(--transition);
            overflow-x: hidden;
            background-attachment: fixed;
            background-size: cover;
        }

        h1, h2, h3, h4, h5 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.03em;
        }

        .container {
            width: 100%;
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: var(--section-padding);
            position: relative;
        }

        /* 粒子背景容器 */
        #particles-js {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -2;
        }
        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            z-index: 1000;
            transition: var(--transition);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            border-bottom: 1px solid var(--border-color);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
            max-width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 32px;
            font-weight: 900;
            color: var(--primary-color);
            text-decoration: none;
        }

        .logo img{
            width: 270px;
            height: auto;
            transition: var(--transition);
        }

        .nav-links {
            display: flex;
            gap: 40px;
        }

        .nav-links a {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 17px;
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary-color);
            transition: var(--transition);
            border-radius: 3px;
        }

        .nav-links a:hover:after {
            width: 100%;
        }

        .nav-buttons {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .theme-toggle {
            width: 60px;
            height: 30px;
            background: var(--text-light);
            border-radius: 50px;
            position: relative;
            cursor: pointer;
            border: none;
            display: flex;
            align-items: center;
            padding: 0 4px;
            transition: var(--transition);
        }

        .theme-toggle:focus {
            outline: none;
        }

        .theme-toggle::before {
            content: '';
            position: absolute;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--card-bg);
            transition: var(--transition);
            transform: translateX(0);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }

        [data-theme="dark"] .theme-toggle::before {
            transform: translateX(30px);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 36px;
            border-radius: 60px;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            font-size: 16px;
            letter-spacing: 0.5px;
            gap: 10px;
            text-transform: uppercase;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            box-shadow: 0 5px 20px rgba(37, 99, 235, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(37, 99, 235, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
        }

        .btn-outline:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-5px);
        }

        /* 翻译按钮样式 */
        .translate-container {
            position: relative;
            display: inline-block;
        }

        .translate-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--glass-bg);
            border: 1px solid var(--border-color);
            color: var(--text-color);
            cursor: pointer;
            transition: var(--transition);
            font-size: 18px;
        }

        .translate-btn:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }

        .translate-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 10px;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 10px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            z-index: 1001;
            border: 1px solid var(--border-color);
            min-width: 120px;
        }

        .translate-container:hover .translate-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .translate-dropdown ul {
            list-style: none;
        }

        .translate-dropdown li {
            margin: 0;
        }

        .translate-dropdown a {
            display: block;
            padding: 10px 20px;
            color: var(--text-color);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .translate-dropdown a:hover {
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary-color);
        }

        /* 下拉菜单箭头图标 */
        .dropdown-toggle .fas {
            font-size: 12px;
            transition: var(--transition);
        }

        .dropdown-toggle:hover .fas {
            color: var(--primary-color);
        }

        /* 菜单切换按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 30px;
            height: 30px;
            position: relative;
            z-index: 1001;
            color: var(--text-color);
            font-size: 20px;
        }

        /* 下拉菜单样式 */
        .nav-item {
            position: relative;
        }

        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            width: 220px;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            z-index: 999;
            border: 1px solid var(--border-color);
        }

        .nav-item:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            margin-top: 26px;
        }

        .dropdown-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 25px;
            color: var(--text-color);
            text-decoration: none;
            font-size: 15px;
            transition: var(--transition);
        }

        .dropdown-menu a:hover {
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary-color);
        }

        .dropdown-menu a .fas {
            width: 16px;
            text-align: center;
        }

        /* 修复增强型下拉菜单 */
        .dropdown-menu-wide {
            position: absolute;
            top: 100%;
            left: 50%;
            width: 80vw;
            max-width: 1000px;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border-radius: 16px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
            padding: 30px;
            opacity: 0;
            visibility: hidden;
            transform: translateX(-50%) translateY(10px);
            transition: var(--transition);
            z-index: 999;
            border: 1px solid var(--border-color);
        }

        .nav-item:hover .dropdown-menu-wide {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
                margin-top: 26px;
        }

        .dropdown-content {
            display: flex;
            gap: 30px;
            height: 100%;
        }

        .dropdown-columns {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            flex: 1;
        }

        .dropdown-column a {
            display: flex;
            flex-direction: column;
            padding: 15px;
            border-radius: 8px;
            transition: var(--transition);
            border: 1px solid transparent;
            text-decoration: none;
        }

        .dropdown-column a:hover {
            background: rgba(37, 99, 235, 0.05);
            border-color: rgba(37, 99, 235, 0.2);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .dropdown-column h4 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--primary-color);
        }

        .dropdown-column p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.5;
        }

        .dropdown-right {
            flex: 0 0 300px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .dropdown-image {
            width: 100%;
            height: 180px;
            border-radius: 12px;
            overflow: hidden;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 18px;
        }

        .dropdown-info {
            background: rgba(37, 99, 235, 0.05);
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid var(--primary-color);
        }

        .dropdown-info h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--primary-color);
        }

        .dropdown-info p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-light);
            margin-bottom: 15px;
        }

        /* 移动端菜单样式 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            z-index: 1000;
            padding: 80px 30px 30px;
            transition: var(--transition);
            box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
            overflow-y: auto;
        }

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

        /* 移动端菜单关闭按钮 */
        .mobile-close {
            position: absolute;
            top: 25px;
            right: 25px;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-color);
            cursor: pointer;
            transition: var(--transition);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .mobile-close:hover {
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary-color);
        }

        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-nav-links a {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-right: 10px;
        }

        .mobile-dropdown-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding-left: 20px;
        }

        .mobile-dropdown-menu.active {
            max-height: 300px;
        }

        .mobile-dropdown-menu a {
            font-size: 16px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .dropdown-toggle {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .dropdown-toggle .fas {
            transition: var(--transition);
        }

        .dropdown-toggle.active .fas {
            transform: rotate(180deg);
        }

        /* 移动端翻译选项 */
        .mobile-translate {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }

        .mobile-translate-title {
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--text-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-translate-options {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .mobile-translate-btn {
            padding: 8px 15px;
            background: var(--glass-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-color);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .mobile-translate-btn:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        /* 遮罩层 */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* 响应式设计 */
        @media (max-width: 1280px) {
            /* 平板端适配 */
            .nav-links {
                gap: 25px;
            }
            
            .nav-links a {
                font-size: 16px;
            }
            
            .logo img {
                width: 220px;
            }
            
            .btn {
                padding: 14px 28px;
                font-size: 14px;
            }
            
            .dropdown-menu-wide {
                width: 90vw;
            }
            
            .dropdown-content {
                gap: 20px;
            }
            
            .dropdown-right {
                flex: 0 0 250px;
            }
        }

        @media (max-width: 1024px) {
            /* 小尺寸平板适配 */
            .nav-links {
                gap: 20px;
            }
            
            .nav-links a {
                font-size: 15px;
            }
            
            .logo img {
                width: 200px;
            }
            
            .btn {
                padding: 12px 24px;
            }
        }

        @media (max-width: 900px) {
            /* 平板端隐藏导航链接，显示菜单按钮 */
            .nav-links {
                display: none;
            }
            
            .menu-toggle {
                display: block;
            }
            
            .nav-buttons .btn-primary {
                display: none;
            }
            
            .logo img {
                width: 180px;
            }
            
            .dropdown-menu-wide {
                display: none;
            }
            
            .translate-container {
                display: none;
            }
            .mobile-translate,{
                margin-top: 0px;
            }
            .fa-regular, .far{
                font-weight: 400;
                padding-left: 10px;
            }
            .fa-solid, .fas {
    font-weight: 900;
    padding-left: 10px;
}
}

        @media (max-width: 768px) {
            /* 移动端适配 */
            .header-container {
                padding: 0 15px;
            }
            
            .logo img {
                width: 160px;
            }
            
            .mobile-menu {
                width: 280px;
            }
        }

        @media (max-width: 480px) {
            /* 小屏幕移动端适配 */
            .mobile-menu {
                width: 100%;
            }
            
            .logo img {
                width: 140px;
            }
            
            .mobile-translate-options {
                flex-direction: column;
            }
            
            .header-container {
                padding: 0 10px;
            }
        }
        
                /* 页面内容样式 */
        .page-content {
            padding: 40px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .page-content h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary-color);
        }

        .page-content p {
            font-size: 1.1rem;
            line-height: 1.6;
            margin-bottom: 15px;
            color: var(--text-color);
        }

        /* 英雄区域 */
        .hero {
            height: 100vh;
            min-height: 900px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: var(--header-height);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--hero-gradient);
            z-index: -1;
            /*opacity: 0.8;*/
            background-image: url(/images/banner1.png);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .hero h1 {
            font-size: 5.5rem;
            margin-bottom: 30px;
            line-height: 1.1;
            text-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .hero p {
            font-size: 1.8rem;
            color: var(--text-light);
            margin-bottom: 50px;
            max-width: 700px;
            font-weight: 500;
        }

        .hero-slogan {
            color: var(--primary-color);
            position: relative;
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-buttons {
            display: flex;
            gap: 25px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 60px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-value {
            font-size: 3.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }

        .stat-label {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .hero-shapes {
            position: absolute;
            top: 50%;
            right: 0;
            transform: translateY(-50%);
            width: 50%;
            height: 80%;
            overflow: hidden;
        }

        .floating-card {
            position: absolute;
            border-radius: 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            box-shadow: var(--shadow);
            padding: 30px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            transform-style: preserve-3d;
            transform: perspective(1000px);
        }

        .card-1 {
            width: 300px;
            height: 350px;
            top: 10%;
            right: 15%;
            transform: rotateZ(5deg) translateZ(20px);
            animation: float 8s ease-in-out infinite;
        }

        .card-2 {
            width: 280px;
            height: 320px;
            top: 50%;
            right: 5%;
            transform: rotateZ(-3deg) translateZ(30px);
            animation: float 10s ease-in-out infinite 1s;
        }

        .card-3 {
            width: 260px;
            height: 300px;
            top: 65%;
            right: 20%;
            transform: rotateZ(7deg) translateZ(10px);
            animation: float 12s ease-in-out infinite 2s;
        }

        @keyframes float {
            0% { transform: translateY(0) rotateZ(0deg); }
            50% { transform: translateY(-20px) rotateZ(3deg); }
            100% { transform: translateY(0) rotateZ(0deg); }
        }

        .hero-shapes h3{
            font-size: 20px;
            margin-top: 10px;
        }

        .hero-shapes p{
            margin-top: 10px;
        }

        /* 服务优势部分 */
        .services {
            position: relative;
            background: var(--bg-secondary);
            z-index: 1;
        }

        .section-title {
            text-align: center;
            margin-bottom: 80px;
            position: relative;
        }

        .section-title h2 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }

        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 5px;
        }

        .section-title p {
            font-size: 1.4rem;
            color: var(--text-light);
            max-width: 800px;
            margin: 30px auto 0;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .service-card {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 50px 40px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            text-align: center;
            perspective: 1000px;
            transform-style: preserve-3d;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-20px) rotateZ(1deg);
            box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.2);
        }

        .service-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.6s ease;
        }

        .service-card:hover:before {
            transform: scaleX(1);
        }

        .service-icon {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 25px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 30px;
            color: white;
            font-size: 42px;
            transform: translateZ(30px);
        }

        .service-card h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            transform: translateZ(50px);
        }

        .service-card p {
            color: var(--text-light);
            transform: translateZ(40px);
        }

        /* 案例展示 */
        .case-grid {
            padding: 20px;
        }
        .case-studies {
            position: relative;
            background: var(--bg-color);
            overflow: hidden;
        }

        .case-studies::before {
            content: '';
            position: absolute;
            top: -150px;
            left: -150px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            opacity: 0.08;
            filter: blur(50px);
        }

        .case-studies::after {
            content: '';
            position: absolute;
            bottom: -150px;
            right: -150px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
            opacity: 0.08;
            filter: blur(50px);
        }

        .case-filter {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 12px 28px;
            background: var(--bg-secondary);
            border: none;
            border-radius: 50px;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
            font-size: 16px;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .filter-btn:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0%;
            height: 100%;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transition: width 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
            z-index: -1;
            border-radius: 50px;
        }

        .filter-btn.active, .filter-btn:hover {
            color: white;
        }

        .filter-btn.active:before, .filter-btn:hover:before {
            width: 100%;
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
            gap: 40px;
            padding-left: 40px;
            padding-right: 40px;
        }

        .case-card {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            height: 480px;
            transform-style: preserve-3d;
        }

        .case-card:hover {
            transform: translateY(-15px) scale(1.02);
        }

        .case-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 40px 30px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
            color: white;
            transform: translateY(0);
            transition: var(--transition);
        }

        .case-overlay h3 {
            margin-bottom: 15px;
            font-size: 1.8rem;
        }

        .case-tag {
            display: inline-block;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 1rem;
            margin-bottom: 15px;
            font-weight: 600;
        }

        /* 客户展示 */
        .clients {
            background: var(--bg-secondary);
            position: relative;
        }

        .client-logos {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 40px;
            align-items: center;
            margin: 70px 0;
        }

        .client-logo {
            filter: grayscale(100%);
            opacity: 0.7;
            transition: var(--transition);
            max-width: 100%;
            max-height: 80px;
            justify-self: center;
        }

        .client-logo:hover {
            filter: grayscale(0);
            opacity: 1;
            transform: scale(1.1);
        }

        /* 页脚 */
        footer {
            background: var(--bg-color);
            position: relative;
            padding: 120px 0 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 60px;
            margin-bottom: 70px;
        }

        .footer-col h4 {
            font-size: 1.6rem;
            margin-bottom: 30px;
            position: relative;
            display: inline-block;
        }

        .footer-col h4:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 18px;
        }

        .footer-links a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
            font-size: 1.1rem;
            display: block;
        }

        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 8px;
        }

        .copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
            color: var(--text-light);
            font-size: 1.1rem;
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .hero h1 {
                font-size: 4.5rem;
            }
            
            .hero-shapes {
                width: 40%;
            }
        }

        @media (max-width: 992px) {
            :root {
                --header-height: 70px;
                --section-padding: 100px 0;
            }
            
            .hero {
                min-height: 800px;
            }
            
            .hero h1 {
                font-size: 3.5rem;
            }
            
            .hero p {
                font-size: 1.4rem;
            }
            
            .hero-shapes {
                display: none;
            }
            
            .hero-buttons {
                flex-direction: column;
                gap: 20px;
            }
            
            .nav-links {
                display: none;
            }
            
            .case-grid {
                grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            }
            
            .service-card {
                padding: 40px 30px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 30px;
            }
            
            .hero h1 {
                font-size: 3rem;
            }
            
            .section-title h2 {
                font-size: 2.8rem;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
            }
            
            .case-grid {
                grid-template-columns: 1fr;
            }
            
            .stat-value {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 20px;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1.2rem;
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .section-title p {
                font-size: 1.1rem;
            }
            
            .logo {
                font-size: 26px;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 20px;
            }
        }
        
        


        /* 内容页样式 */
        .product-hero {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
            margin-top: 20px;
        }

        .product-hero-content {
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .product-image {
            flex: 1;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            font-weight: bold;
        }

        .product-info {
            flex: 1;
        }

        .product-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-color);
            color: white;
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .product-title {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--text-color);
            line-height: 1.2;
        }

        .product-description {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .product-meta {
            display: flex;
            gap: 30px;
            margin-bottom: 30px;
        }

        .meta-item {
            display: flex;
            flex-direction: column;
        }

        .meta-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 5px;
        }

        .meta-value {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-color);
        }

        .product-actions {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--text-color);
        }

        .section-title p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 特性区域图标 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 40px 30px;
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

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

        .feature-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 25px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 30px;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--text-color);
        }

        .feature-card p {
            color: var(--text-light);
            line-height: 1.6;
        }

        /* 新增：设计详细信息模块 */
        .design-details {
            background: var(--card-bg);
            padding: 80px 0;
        }

        .design-article {
            max-width: 1400px;
            margin: 0 auto;
        }

        .article-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .article-title {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--text-color);
            line-height: 1.2;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 30px;
        }

        .article-excerpt {
            font-size: 1.2rem;
            color: var(--text-light);
            line-height: 1.6;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .article-content {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-color);
        }

        .article-content h3 {
            font-size: 1.5rem;
            margin: 40px 0 20px;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-content p {
            margin-bottom: 20px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary-color);
            padding-left: 20px;
            margin: 30px 0;
            font-style: italic;
            color: var(--text-light);
        }

        .article-image {
            width: 100%;
            margin: 40px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .design-principles {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }

        .principle-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .principle-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .principle-icon {
            width: 60px;
            height: 60px;
            margin-bottom: 20px;
            background: rgba(37, 99, 235, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 24px;
        }

        .principle-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--text-color);
        }

        .principle-card p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        .design-process {
            background: rgba(37, 99, 235, 0.05);
            border-radius: 16px;
            padding: 40px;
            margin: 40px 0;
            border-left: 4px solid var(--primary-color);
        }

        .process-steps {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 30px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--border-color);
            z-index: 1;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .step-title {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-color);
        }

        .step-description {
            font-size: 0.9rem;
            color: var(--text-light);
            max-width: 150px;
            margin: 0 auto;
        }

        /* 作品集区域 */
        .gallery-section {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(124, 58, 237, 0.03) 100%);
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
        }

        .gallery-item {
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
            aspect-ratio: 4/3;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .gallery-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        /* 技术规格区域 */
        .specs-section {
            background: var(--card-bg);
        }

        .specs-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }

        .specs-table th, .specs-table td {
            padding: 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }

        .specs-table th {
            background: rgba(37, 99, 235, 0.05);
            color: var(--primary-color);
            font-weight: 600;
        }

        .specs-table tr:last-child td {
            border-bottom: none;
        }

        .specs-table tr:hover {
            background: rgba(37, 99, 235, 0.02);
        }

        /* 使用场景区域 */
        .use-cases {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .use-case {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .use-case:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .use-case-icon {
            width: 60px;
            height: 60px;
            margin-bottom: 20px;
            background: rgba(37, 99, 235, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 24px;
        }

        .use-case h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--text-color);
        }

        .use-case p {
            color: var(--text-light);
            line-height: 1.6;
        }

        /* 行动号召区域 */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .cta-section p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }

        .cta-btn {
            background: white;
            color: var(--primary-color);
        }

        .cta-btn:hover {
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary-color);
        }

        footer {
            padding: 60px 0 30px;
            background: var(--glass-bg);
            border-top: 1px solid var(--border-color);
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--text-color);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-color);
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 25px;
            }

            .dropdown-menu-wide {
                width: 90vw;
            }

            .dropdown-content {
                gap: 20px;
            }

            .dropdown-right {
                flex: 0 0 250px;
            }

            .product-hero-content {
                gap: 40px;
            }

            .product-title {
                font-size: 2.4rem;
            }

            .process-steps {
                flex-wrap: wrap;
                gap: 20px;
            }

            .process-steps::before {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .nav-buttons .btn-primary {
                display: none;
            }

            .logo img {
                width: 200px;
            }

            .dropdown-menu-wide {
                display: none;
            }

            .translate-container {
                display: none;
            }

            .product-hero {
                padding: 60px 0;
            }

            .product-hero-content {
                flex-direction: column;
                gap: 40px;
            }

            .product-image {
                width: 100%;
                height: 300px;
            }

            .product-title {
                font-size: 2rem;
            }

            .section {
                padding: 60px 0;
            }

            .section-title h2 {
                font-size: 2rem;
            }

            .design-tabs {
                flex-direction: column;
                align-items: center;
            }

            .design-concept {
                padding: 30px 20px;
            }

            .design-principles {
                grid-template-columns: 1fr;
            }

            .process-step {
                flex: 0 0 100%;
                margin-bottom: 30px;
            }
        }

        @media (max-width: 480px) {
            .mobile-menu {
                width: 100%;
            }

            .logo img {
                width: 150px;
            }

            .product-title {
                font-size: 1.8rem;
            }

            .product-meta {
                flex-direction: column;
                gap: 15px;
            }

            .product-actions {
                flex-direction: column;
            }

            .features-grid,
            .gallery-grid,
            .use-cases {
                grid-template-columns: 1fr;
            }

            .specs-table {
                display: block;
                overflow-x: auto;
            }
        }
        
         /* 列表页样式 */
        .list-hero {
            padding: 60px 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
            text-align: center;
                margin-top: 60px;
        }

        .list-hero h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--text-color);
        }

        .list-hero p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .list-content {
            padding: 60px 0;
        }

        .list-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .filter-section {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 10px 20px;
            background: var(--glass-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-color);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }

        .filter-btn:hover, .filter-btn.active {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        .sort-section {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sort-select {
            padding: 10px 15px;
            background: var(--glass-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-color);
            cursor: pointer;
        }

        .list-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }

        .list-item {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .list-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .item-image {
            width: 100%;
            height: 200px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .item-content {
            padding: 25px;
        }

        .item-category {
            display: inline-block;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary-color);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .item-title {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--text-color);
        }

        .item-description {
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .item-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }

        .item-date {
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .item-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }

        .item-link:hover {
            gap: 10px;
        }

        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            margin-top: 40px;
        }

        .page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--glass-bg);
            border: 1px solid var(--border-color);
            color: var(--text-color);
            cursor: pointer;
            transition: var(--transition);
        }

        .page-btn:hover, .page-btn.active {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        .page-dots {
            color: var(--text-light);
            padding: 0 10px;
        }

        .sidebar-layout {
            display: grid;
            grid-template-columns: 250px 1fr;
            gap: 40px;
        }

        .sidebar {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            height: fit-content;
            position: sticky;
            top: 100px;
        }

        .sidebar-section {
            margin-bottom: 30px;
        }

        .sidebar-section:last-child {
            margin-bottom: 0;
        }

        .sidebar-title {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--text-color);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }

        .sidebar-links {
            list-style: none;
        }

        .sidebar-links li {
            margin-bottom: 12px;
        }

        .sidebar-links a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-links a:hover {
            color: var(--primary-color);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag {
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary-color);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .tag:hover {
            background: var(--primary-color);
            color: white;
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            grid-column: 1 / -1;
        }

        .empty-icon {
            font-size: 4rem;
            margin-bottom: 20px;
            color: var(--text-light);
        }

        .empty-state h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--text-color);
        }

        .empty-state p {
            color: var(--text-light);
            max-width: 500px;
            margin: 0 auto 30px;
        }
        
                /* 英雄区域 */
        .hero {
            height: 100vh;
            min-height: 900px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: var(--header-height);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--hero-gradient);
            z-index: -1;
            /*opacity: 0.8;*/
            background-image: url(/images/banner1.png);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .hero h1 {
            font-size: 5.5rem;
            margin-bottom: 30px;
            line-height: 1.1;
            text-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .hero p {
            font-size: 1.8rem;
            color: var(--text-light);
            margin-bottom: 50px;
            max-width: 700px;
            font-weight: 500;
        }

        .hero-slogan {
            color: var(--primary-color);
            position: relative;
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-buttons {
            display: flex;
            gap: 25px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 60px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-value {
            font-size: 3.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }

        .stat-label {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .hero-shapes {
            position: absolute;
            top: 50%;
            right: 0;
            transform: translateY(-50%);
            width: 50%;
            height: 80%;
            overflow: hidden;
        }

        .floating-card {
            position: absolute;
            border-radius: 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            box-shadow: var(--shadow);
            padding: 30px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            transform-style: preserve-3d;
            transform: perspective(1000px);
        }

        .card-1 {
            width: 300px;
            height: 350px;
            top: 10%;
            right: 15%;
            transform: rotateZ(5deg) translateZ(20px);
            animation: float 8s ease-in-out infinite;
        }

        .card-2 {
            width: 280px;
            height: 320px;
            top: 50%;
            right: 5%;
            transform: rotateZ(-3deg) translateZ(30px);
            animation: float 10s ease-in-out infinite 1s;
        }

        .card-3 {
            width: 260px;
            height: 300px;
            top: 65%;
            right: 20%;
            transform: rotateZ(7deg) translateZ(10px);
            animation: float 12s ease-in-out infinite 2s;
        }

        @keyframes float {
            0% { transform: translateY(0) rotateZ(0deg); }
            50% { transform: translateY(-20px) rotateZ(3deg); }
            100% { transform: translateY(0) rotateZ(0deg); }
        }

        .hero-shapes h3{
            font-size: 20px;
            margin-top: 10px;
        }

        .hero-shapes p{
            margin-top: 10px;
        }

        /* 服务优势部分 */
        .services {
            position: relative;
            background: var(--bg-secondary);
            z-index: 1;
        }

        .section-title {
            text-align: center;
            margin-bottom: 80px;
            position: relative;
        }

        .section-title h2 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }

        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 5px;
        }

        .section-title p {
            font-size: 1.4rem;
            color: var(--text-light);
            max-width: 800px;
            margin: 30px auto 0;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .service-card {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 50px 40px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            text-align: center;
            perspective: 1000px;
            transform-style: preserve-3d;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-20px) rotateZ(1deg);
            box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.2);
        }

        .service-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.6s ease;
        }

        .service-card:hover:before {
            transform: scaleX(1);
        }

        .service-icon {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 25px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 30px;
            color: white;
            font-size: 42px;
            transform: translateZ(30px);
        }

        .service-card h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            transform: translateZ(50px);
        }

        .service-card p {
            color: var(--text-light);
            transform: translateZ(40px);
        }

        /* 案例展示 */
        .case-grid {
            padding: 20px;
        }
        .case-studies {
            position: relative;
            background: var(--bg-color);
            overflow: hidden;
        }

        .case-studies::before {
            content: '';
            position: absolute;
            top: -150px;
            left: -150px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            opacity: 0.08;
            filter: blur(50px);
        }

        .case-studies::after {
            content: '';
            position: absolute;
            bottom: -150px;
            right: -150px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
            opacity: 0.08;
            filter: blur(50px);
        }

        .case-filter {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 12px 28px;
            background: var(--bg-secondary);
            border: none;
            border-radius: 50px;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
            font-size: 16px;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .filter-btn:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0%;
            height: 100%;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transition: width 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
            z-index: -1;
            border-radius: 50px;
        }

        .filter-btn.active, .filter-btn:hover {
            color: white;
        }

        .filter-btn.active:before, .filter-btn:hover:before {
            width: 100%;
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
            gap: 40px;
            padding-left: 40px;
            padding-right: 40px;
        }

        .case-card {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            height: 480px;
            transform-style: preserve-3d;
        }

        .case-card:hover {
            transform: translateY(-15px) scale(1.02);
        }

        .case-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 40px 30px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
            color: white;
            transform: translateY(0);
            transition: var(--transition);
        }

        .case-overlay h3 {
            margin-bottom: 15px;
            font-size: 1.8rem;
        }

        .case-tag {
            display: inline-block;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 1rem;
            margin-bottom: 15px;
            font-weight: 600;
        }

        /* 客户展示 */
        .clients {
            background: var(--bg-secondary);
            position: relative;
        }

        .client-logos {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 40px;
            align-items: center;
            margin: 70px 0;
        }

        .client-logo {
            filter: grayscale(100%);
            opacity: 0.7;
            transition: var(--transition);
            max-width: 100%;
            max-height: 80px;
            justify-self: center;
        }

        .client-logo:hover {
            filter: grayscale(0);
            opacity: 1;
            transform: scale(1.1);
        }
        
                /* 响应式设计 */
        @media (max-width: 1200px) {
            .hero h1 {
                font-size: 4.5rem;
            }

            .hero-shapes {
                width: 40%;
            }
        }

        @media (max-width: 992px) {


            .hero {
min-height: 500px;
        margin-top: 50px;
        height: 80vh;
        max-height: 500px;
            }

            .hero h1 {
                font-size: 3.5rem;
            }

            .hero p {
                font-size: 1.4rem;
            }

            .hero-shapes {
                display: none;
            }

            .hero-buttons {
                flex-direction: column;
                gap: 20px;
            }

            .nav-links {
                display: none;
            }

            .case-grid {
                grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            }

            .service-card {
                padding: 40px 30px;
            }
            
            .sidebar{
                display: none;
            }
        }

        @media (max-width: 768px) {


            .hero h1 {
                font-size: 3rem;
            }

            .section-title h2 {
                font-size: 2.8rem;
            }

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

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

            .stat-value {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 576px) {


            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.2rem;
            }

            .section-title h2 {
                font-size: 2.2rem;
            }

            .section-title p {
                font-size: 1.1rem;
            }

            .logo {
                font-size: 26px;
            }

            .hero-stats {
                flex-direction: column;
                gap: 20px;
            }
            .hero-stats{
                display: none;
            }
            
        }