:root {
            --primary-color: #855B29;
            --primary-light: #A67C52;
            --primary-dark: #6B471C;
            --secondary-color: #F5E9D9;
            --accent-color: #D4A76A;
            --text-dark: #333333;
            --text-light: #666666;
            --white: #FFFFFF;
            --light-bg: #F9F5F0;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(133, 91, 41, 0.1);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--white);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 3px;
            background-color: var(--primary-color);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .section-title p {
            color: var(--text-light);
            max-width: 700px;
            margin: 20px auto 0;
            font-size: 1.1rem;
        }
        
        /* 头部样式 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            background: url('logo.png');
            display: flex;
            align-items: center;
        }
        .logo-icon {
            width: 300px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: var(--white);
            font-size: 1.5rem;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav li {
            margin-left: 30px;
        }
        
        nav a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            position: relative;
        }
        
        nav a:hover {
            color: var(--primary-color);
        }
        
        nav a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            bottom: -5px;
            left: 0;
            transition: var(--transition);
        }
        
        nav a:hover:after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-color);
            cursor: pointer;
        }
        
        /* 英雄区域 */
        .hero {
            background: linear-gradient(rgba(133, 91, 41, 0.85), rgba(107, 71, 28, 0.9)), url('https://images.unsplash.com/photo-1592400420056-8b9a0b20afd4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: var(--white);
            padding: 180px 0 100px;
            text-align: center;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .hero h2 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero p {
            font-size: 1.3rem;
            margin-bottom: 40px;
            opacity: 0.9;
        }
        
        .cta-button {
            display: inline-block;
            background-color: var(--accent-color);
            color: var(--white);
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            border: 2px solid var(--accent-color);
        }
        
        .cta-button:hover {
            background-color: transparent;
            color: var(--accent-color);
        }
        
        /* 关于我们 */
        .about {
            background-color: var(--light-bg);
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h3 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 20px;
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: var(--text-light);
        }
        
        .highlight {
            background-color: var(--secondary-color);
            padding: 25px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--primary-color);
            margin: 30px 0;
        }
        
        .highlight p {
            color: var(--primary-dark);
            font-weight: 600;
            margin: 0;
        }
        
        .about-stats {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            display: block;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1;
        }
        
        .stat-text {
            font-size: 1rem;
            color: var(--text-light);
            margin-top: 5px;
        }
        
        .about-image {
            flex: 1;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            height: 400px;
            background: url('gczp.jpg');
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }
        
        /* 实力展示 */
        .strength-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .strength-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 40px 30px;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            text-align: center;
            border-top: 5px solid var(--primary-color);
        }
        
        .strength-card:hover {
            transform: translateY(-10px);
        }
        
        .card-icon {
            width: 80px;
            height: 80px;
            background-color: var(--secondary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: var(--primary-color);
            font-size: 2rem;
        }
        
        .strength-card h3 {
            font-size: 1.5rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }
        
        .strength-card p {
            color: var(--text-light);
        }
        
        /* 合作流程 */
        .process {
            background-color: var(--light-bg);
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 60px;
        }
        
        .process-steps:before {
            content: '';
            position: absolute;
            top: 40px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--primary-light);
            z-index: 1;
        }
        
        .process-step {
            position: relative;
            z-index: 2;
            text-align: center;
            flex: 1;
            padding: 0 15px;
        }
        
        .step-number {
            width: 80px;
            height: 80px;
            background-color: var(--primary-color);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 auto 20px;
        }
        
        .process-step h4 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }
        
        .process-step p {
            color: var(--text-light);
        }
        
        /* 联系表单 */
        .contact-form {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 50px;
            box-shadow: var(--box-shadow);
            max-width: 800px;
            margin: 0 auto;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--primary-dark);
            font-weight: 600;
        }
        
        .form-control {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(133, 91, 41, 0.1);
        }
        
        .submit-btn {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 15px 40px;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: block;
            width: 100%;
        }
        
        .submit-btn:hover {
            background-color: var(--primary-dark);
        }
        
        /* 底部 */
        footer {
            background-color: var(--primary-dark);
            color: var(--white);
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding-right: 30px;
        }
        
        .footer-column h3 {
            font-size: 1.4rem;
            margin-bottom: 25px;
            color: var(--accent-color);
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background-color: var(--accent-color);
            bottom: 0;
            left: 0;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column li {
            margin-bottom: 12px;
        }
        
        .footer-column a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-column a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        
        .contact-info li {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--accent-color);
            margin-top: 5px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }
            
            .about-image {
                width: 100%;
                margin-top: 40px;
            }
            
            .process-steps {
                flex-wrap: wrap;
            }
            
            .process-step {
                flex: 0 0 50%;
                margin-bottom: 40px;
            }
            
            .process-steps:before {
                display: none;
            }
            
            .hero h2 {
                font-size: 2.5rem;
            }
        }
        
        @media (max-width: 768px) {
            nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            }
            
            nav ul.active {
                display: flex;
            }
            
            nav li {
                margin: 0 0 15px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero {
                padding: 150px 0 80px;
            }
            
            .hero h2 {
                font-size: 2.2rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .process-step {
                flex: 0 0 100%;
            }
            
            .contact-form {
                padding: 30px 20px;
            }
        }
        
        @media (max-width: 576px) {
            .about-stats {
                flex-direction: column;
                gap: 30px;
            }
            
            .hero h2 {
                font-size: 1.8rem;
            }
            
            section {
                padding: 60px 0;
            }
        }