@charset "utf-8";
        :root {
            --primary-color: #4caf50;
            --secondary-color: #2e7d32;
            --accent-color: #ff9800;
            --text-color: #333;
            --light-bg: #f5f7fa;
            --white: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
				a {
    text-decoration: none;
}

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: var(--light-bg);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 头部样式 */
        header {
            background-color: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo h1 {
            font-size: 24px;
            color: var(--primary-color);
            margin-left: 10px;
        }

        .logo-icon {
            font-size: 28px;
            color: var(--primary-color);
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav li {
            margin-left: 30px;
        }

        nav a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }

        nav a:hover {
            color: var(--primary-color);
        }

        nav a.active {
            color: var(--primary-color);
        }

        nav a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary-color);
        }

        .header-buttons {
            display: flex;
            align-items: center;
        }

        .theme-selector {
            margin-right: 20px;
            position: relative;
        }

        .theme-btn {
            background: none;
            border: none;
            font-size: 20px;
            color: var(--primary-color);
            cursor: pointer;
        }

        .theme-options {
            position: absolute;
            top: 40px;
            right: 0;
            background: var(--white);
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 10px;
            display: none;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            width: 180px;
            z-index: 100;
        }

        .theme-option {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            border: 2px solid transparent;
            transition: transform 0.2s;
        }

        .theme-option:hover {
            transform: scale(1.1);
        }

        .theme-blue {
            background: linear-gradient(135deg, #1e88e5, #0d47a1);
        }

        .theme-green {
            background: linear-gradient(135deg, #4caf50, #2e7d32);
        }

        .theme-orange {
            background: linear-gradient(135deg, #ff9800, #ef6c00);
        }

        .theme-purple {
            background: linear-gradient(135deg, #9c27b0, #6a1b9a);
        }

        .theme-gold {
            background: linear-gradient(135deg, #ffd700, #ffab00);
        }

        .theme-cyan {
            background: linear-gradient(135deg, #00bcd4, #00838f);
        }

        .btn {
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            font-size: 16px;
        }

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

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

        .mobile-menu {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }

        /* 英雄区域样式 */
        .hero {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 80px 0;
            text-align: center;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h2 {
            font-size: 42px;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero p {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.9;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .btn-secondary {
            background-color: transparent;
            color: white;
            border: 2px solid white;
        }

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

        /* 业务范围样式 */
        .services {
            padding: 80px 0;
            background-color: var(--white);
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 36px;
            color: var(--text-color);
            margin-bottom: 15px;
        }

        .section-title p {
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border-radius: 10px;
            padding: 30px;
            box-shadow: var(--shadow);
            transition: transform 0.3s;
            text-align: center;
        }

        .service-card:hover {
            transform: translateY(-10px);
        }

        .service-icon {
            font-size: 40px;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
        }

        .service-card p {
            color: #666;
            margin-bottom: 20px;
        }

        .service-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
        }

        .service-link i {
            margin-left: 5px;
            transition: transform 0.3s;
        }

        .service-link:hover i {
            transform: translateX(5px);
        }

        /* 关于我们样式 */
        .about {
            padding: 80px 0;
            background-color: var(--light-bg);
        }

        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .about-text {
            flex: 1;
        }

        .about-text h2 {
            font-size: 36px;
            margin-bottom: 20px;
            color: var(--text-color);
        }

        .about-text p {
            margin-bottom: 20px;
            color: #666;
        }

        .about-stats {
            display: flex;
            gap: 30px;
            margin-top: 30px;
        }

        .stat {
            text-align: center;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary-color);
            display: block;
        }

        .stat-label {
            color: #666;
            font-size: 14px;
        }

        .about-image {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .about-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 新闻动态样式 */
        .news {
            padding: 80px 0;
            background-color: var(--white);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .news-card {
            background: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s;
        }

        .news-card:hover {
            transform: translateY(-5px);
        }

        .news-image {
            height: 200px;
            overflow: hidden;
        }

        .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .news-card:hover .news-image img {
            transform: scale(1.05);
        }

        .news-content {
            padding: 20px;
        }

        .news-date {
            color: var(--primary-color);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .news-content h3 {
            font-size: 18px;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-content p {
            color: #666;
            font-size: 14px;
            margin-bottom: 15px;
        }

        .news-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
        }

        .news-link i {
            margin-left: 5px;
            transition: transform 0.3s;
        }

        .news-link:hover i {
            transform: translateX(5px);
        }

        /* 联系我们样式 */
        .contact {
            padding: 80px 0;
            background-color: var(--light-bg);
        }

        .contact-container {
            display: flex;
            gap: 50px;
        }

        .contact-info {
            flex: 1;
        }

        .contact-info h2 {
            font-size: 36px;
            margin-bottom: 20px;
            color: var(--text-color);
        }

        .contact-info p {
            margin-bottom: 30px;
            color: #666;
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .contact-icon {
            font-size: 20px;
            color: var(--primary-color);
            margin-right: 15px;
            margin-top: 5px;
        }

        .contact-text h4 {
            margin-bottom: 5px;
        }

        .contact-text p {
            margin-bottom: 0;
            color: #666;
        }

        .contact-form {
            flex: 1;
            background: var(--white);
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
            transition: border 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary-color);
            outline: none;
        }

        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }

        /* 页脚样式 */
        footer {
            background-color: #1a1a1a;
            color: #fff;
            padding: 60px 0 20px;
        }

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

        .footer-col h3 {
            font-size: 18px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--primary-color);
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col ul li a {
            color: #b3b3b3;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-col ul li a:hover {
            color: var(--primary-color);
        }

        .footer-col p {
            color: #b3b3b3;
            margin-bottom: 20px;
        }

        .social-links {
            display: flex;
            gap: 15px;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #333;
            color: white;
            transition: all 0.3s;
        }

        .social-links a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            color: #b3b3b3;
            font-size: 14px;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content, .contact-container {
                flex-direction: column;
            }
            
            .about-image {
                margin-top: 30px;
            }
        }

        @media (max-width: 768px) {
            nav {
                display: none;
            }
            
            .mobile-menu {
                display: block;
            }
            
            .hero h2 {
                font-size: 32px;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 250px;
            }
            
            .about-stats {
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .section-title h2 {
                font-size: 28px;
            }
            
            .hero h2 {
                font-size: 28px;
            }
            
            .about-stats {
                flex-direction: column;
                gap: 20px;
            }
        }