/* CSS Document */
        :root {
            --primary: #1a3a5f;
            --secondary: #2c5f8a;
            --accent: #f4a261;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --light-gray: #e9ecef;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: var(--dark);
            line-height: 1.6;
            background-color: #ffffff;
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5 {
            font-family: 'Playfair Display', serif;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        h1 {
            font-size: 3.5rem;
            line-height: 1.2;
        }
        .calligraphy-font {
            font-family: 'Ma Shan Zheng', cursive;
            font-weight: 400;
            letter-spacing: 2px;
	}
        h2 {
            font-size: 2.5rem;
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 2rem;
        }
        
        h2:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        
        .section-title-center h2:after {
            left: 50%;
            transform: translateX(-50%);
        }
        
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        
        a {
            text-decoration: none;
            color: var(--secondary);
            transition: var(--transition);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--accent);
            color: white;
            border-radius: var(--radius);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
            border: 2px solid var(--accent);
            cursor: pointer;
            font-size: 0.9rem;
        }
        
        .btn:hover {
            background: transparent;
            color: var(--accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        
        .btn-outline {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        
        .btn-outline:hover {
            background: var(--accent);
            color: white;
        }
        
        .text-center {
            text-align: center;
        }
        
        .section {
            padding: 100px 0;
        }
        
        .section-light {
            background-color: var(--light);
        }
        
        .section-title-center {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }
        
        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
        }
        
        .logo-img {
            height: 60px;
            width: auto;
            margin-right: 10px;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            color: var(--dark);
            font-weight: 500;
            position: relative;
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        
        .nav-links a:hover:after {
            width: 100%;
        }
        
        .nav-links a.active {
            color: var(--accent);
        }
        
        .nav-links a.active:after {
            width: 100%;
        }
        
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* Hero Section - 修改1：高度降低1/3 */
        .hero {
            height: 66.7vh; /* 从100vh改为66.7vh */
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(26, 58, 95, 0.9) 0%, rgba(44, 95, 138, 0.85) 100%), url('https://images.unsplash.com/photo-1450101499163-c8848c66ca85?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat;
            color: white;
            overflow: hidden;
        }
        
        .hero-content {
            max-width: 650px;
            position: relative;
            z-index: 2;
        }
        
        .hero h1 {
            color: white;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 1.3rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .about-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            transition: var(--transition);
        }
        
        .about-image:hover img {
            transform: scale(1.05);
        }
        
        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .service-icon {
            height: 100px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--accent);
            background: rgba(244, 162, 97, 0.1);
        }
        
        .service-content {
            padding: 30px;
        }
        
        /* Industries Section */
        .industries {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
        }
        
        .industries h2, .industries h3 {
            color: white;
        }
        
        .industries h2:after {
            background: var(--accent);
        }
        
        .industries-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .industry-card {
            background: rgba(255, 255, 255, 0.1);
            padding: 30px;
            border-radius: var(--radius);
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .industry-card:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-5px);
        }
        
        .industry-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--accent);
        }
        
        /* Case Studies */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .case-card {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .case-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .case-image {
            height: 200px;
            overflow: hidden;
        }
        
        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .case-card:hover .case-image img {
            transform: scale(1.1);
        }
        
        .case-content {
            padding: 25px;
        }
        
        .case-tag {
            display: inline-block;
            background: rgba(244, 162, 97, 0.2);
            color: var(--accent);
            padding: 5px 15px;
            border-radius: 30px;
            font-size: 0.8rem;
            margin-bottom: 15px;
        }
        
        /* Contact Section */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        
        .contact-info {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 50px;
        }
        
        .contact-info h3 {
            margin-top: 30px;
            margin-bottom: 20px;
        }
        
        .contact-item {
            display: flex;
            margin-bottom: 25px;
        }
        
        .contact-icon {
            font-size: 1.2rem;
            color: var(--accent);
            margin-right: 15px;
            min-width: 30px;
        }
        
        .contact-form {
            padding: 50px;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--light-gray);
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .form-control:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(244, 162, 97, 0.2);
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        
        /* Footer - 修改2：页脚变小 */
        footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.5);
            padding: 30px 0 0; /* 高度减少1/3 */
            font-size: 0.85rem; /* 字体变小两号 */
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px; /* 间距减小 */
            margin-bottom: 30px; /* 高度减少 */
        }
        
        .footer-col h3 {
            color: white;
            margin-bottom: 15px; /* 间距减小 */
            font-size: 1.1rem; /* 字体变小 */
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 8px; /* 间距减小 */
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            font-size: 0.85rem; /* 字体变小 */
        }
        
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        
        .social-links {
            display: flex;
            margin-top: 15px; /* 间距减小 */
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px; /* 图标变小 */
            height: 36px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            margin-right: 8px;
            color: white;
            transition: var(--transition);
            font-size: 1rem; /* 图标大小 */
        }
        
        .social-links a:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding: 15px 0; /* 高度减少 */
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem; /* 字体变小 */
        }
        
        /* Stats Section */
        .stats {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 80px 0;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            text-align: center;
        }
        
        .stat-item {
            padding: 30px;
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 10px;
            font-family: 'Playfair Display', serif;
            color: var(--accent);
        }

        .stat-category{
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            font-family: 'Playfair Display', serif;
            color: var(--accent);
        }
        
        /* Team Section */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .team-member {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
        }
        
        .team-member:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .member-image {
            height: 300px;
            overflow: hidden;
        }
        
        .member-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .team-member:hover .member-image img {
            transform: scale(1.1);
        }
        
        .member-info {
            padding: 25px;
        }
        
        .member-position {
            color: var(--accent);
            font-weight: 500;
            display: block;
            margin-bottom: 15px;
        }
        
        /* Page Content */
        .page-content {
            padding-top: 100px;
            min-height: calc(100vh - 200px);
        }
        
        .page {
            display: none;
            animation: fadeIn 0.5s ease;
        }
        
        .page.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            h1 {
                font-size: 2.8rem;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            .about-content,
            .contact-wrapper {
                grid-template-columns: 1fr;
            }
            
            .contact-info {
                padding: 30px;
            }
            
            .contact-form {
                padding: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                background: white;
                width: 100%;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                transform: translateY(-150%);
                transition: var(--transition);
            }
            
            .nav-links.active {
                transform: translateY(0);
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .section {
                padding: 70px 0;
            }
            
            .hero {
                height: 50vh; /* 移动端高度调整 */
            }
            
            .page-content {
                padding-top: 140px;
            }
        }
        
        @media (max-width: 576px) {
            h1 {
                font-size: 2.3rem;
            }
            
            h2 {
                font-size: 1.8rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .section {
                padding: 50px 0;
            }
            
            .logo-img {
                height: 50px; /* 移动端logo调整 */
            }
        }