* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary: #C17A3F;
            --primary-dark: #9E5D2B;
            --primary-light: #E8A35D;
            --secondary: #2C5530;
            --light: #F8F5F1;
            --dark: #1A1A1A;
            --gray: #6C757D;
            --gray-light: #F1F3F5;
            --white: #FFFFFF;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--white);
            overflow-x: hidden;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 100px 0;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 70px;
        }
        
        .section-subtitle {
            color: var(--primary);
            font-size: 18px;
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 15px;
            display: block;
            text-transform: uppercase;
        }
        
        .section-title {
            font-size: 42px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.2;
            margin-bottom: 20px;
            position: relative;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            width: 60px;
            height: 3px;
            background-color: var(--primary);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .section-desc {
            font-size: 18px;
            color: var(--gray);
            max-width: 700px;
            margin: 30px auto 0;
        }
        
        .btn {
            display: inline-block;
            padding: 16px 40px;
            background-color: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 4px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 1px;
        }
        
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(193, 122, 63, 0.2);
            color: var(--white);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background-color: var(--primary);
            color: var(--white);
        }
        
        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            padding: 20px 0;
            transition: var(--transition);
        }
        
        header.scrolled {
            padding: 15px 0;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }
        
        .logo-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }
        
        .logo-icon i {
            font-size: 24px;
            color: var(--white);
        }
        
        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
        }
        
        .logo-text span {
            color: var(--primary);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 40px;
        }
        
        .nav-links a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            bottom: 0;
            left: 0;
            transition: var(--transition);
        }
        
       
        .nav-links a:hover:after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--dark);
            cursor: pointer;
        }
        
        /* Hero Banner */
        .hero {
            height: 100vh;
            min-height: 800px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.5) 100%), url('jhry.jpg') no-repeat center center;
            background-size: cover;
            color: var(--white);
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1920px;
        }
        
        .hero-subtitle {
            font-size: 20px;
            font-weight: 500;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.9);
            letter-spacing: 2px;
        }
        
        .hero-title {
            font-size: 60px;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 30px;
        }
        
        .hero-title span {
            color: var(--primary-light);
        }
        
        .hero-desc {
            font-size: 20px;
            margin-bottom: 40px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 700px;
        }
        
        .hero-stats {
            display: flex;
            margin-top: 60px;
        }
        
        .stat-item {
            margin-right: 60px;
        }
        
        .stat-number {
            font-size: 48px;
            font-weight: 700;
            color: var(--primary-light);
            line-height: 1;
        }
        
        .stat-text {
            font-size: 16px;
            margin-top: 10px;
            opacity: 0.9;
        }
        
        /* 关于我们 */
        .about {
            background-color: var(--light);
        }
        
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }
        
        .about-image {
            position: relative;
        }
        
        .about-img {
            width: 100%;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        
        .about-badge {
            position: absolute;
            bottom: -30px;
            right: -30px;
            background-color: var(--primary);
            color: var(--white);
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            box-shadow: var(--shadow);
        }
        
        .badge-year {
            font-size: 48px;
            font-weight: 800;
            line-height: 1;
        }
        
        .badge-text {
            font-size: 16px;
            margin-top: 5px;
        }
        
        .about-text h3 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 25px;
            color: var(--dark);
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: var(--gray);
            font-size: 17px;
        }
        
        .about-features {
            margin-top: 40px;
        }
        
        .feature-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
        }
        
        .feature-icon {
            width: 50px;
            height: 50px;
            background-color: rgba(193, 122, 63, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .feature-icon i {
            font-size: 20px;
            color: var(--primary);
        }
        
        .feature-content h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        /* 核心实力 */
        .strengths {
            background-color: var(--white);
        }
        
        .strength-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 40px;
        }
        
        .strength-card {
            background-color: var(--white);
            padding: 50px 35px;
            border-radius: 10px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow);
            border-top: 4px solid transparent;
        }
        
        .strength-card:hover {
            transform: translateY(-10px);
            border-top-color: var(--primary);
        }
        
        .strength-icon {
            width: 80px;
            height: 80px;
            background-color: rgba(193, 122, 63, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 30px;
        }
        
        .strength-icon i {
            font-size: 36px;
            color: var(--primary);
        }
        
        .strength-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        .strength-card p {
            color: var(--gray);
        }
        
        /* 合作流程 */
        .process {
            background-color: var(--light);
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 60px;
        }
        
        .process-steps:before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            width: 80%;
            height: 2px;
            background-color: var(--primary);
            z-index: 1;
        }
        
        .step {
            position: relative;
            z-index: 2;
            width: 18%;
            text-align: center;
        }
        
        .step-number {
            width: 80px;
            height: 80px;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            font-weight: 700;
            margin: 0 auto 25px;
            box-shadow: 0 10px 20px rgba(193, 122, 63, 0.2);
        }
        
        .step h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .step p {
            color: var(--gray);
            font-size: 15px;
        }
        
        /* 联系我们 */
        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
        }
        
        .contact-info h3 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 25px;
        }
        
        .contact-info p {
            color: var(--gray);
            margin-bottom: 40px;
            font-size: 18px;
        }
        
        .contact-details {
            margin-top: 40px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 30px;
        }
        
        .contact-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(193, 122, 63, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .contact-icon i {
            font-size: 24px;
            color: var(--primary);
        }
        
        .contact-text h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .contact-form {
            background-color: var(--white);
            padding: 50px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: var(--dark);
        }
        
        .form-control {
            width: 100%;
            padding: 16px 20px;
            border: 1px solid #E0E0E0;
            border-radius: 4px;
            font-size: 16px;
            font-family: 'Noto Sans SC', sans-serif;
            transition: var(--transition);
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(193, 122, 63, 0.1);
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        
        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 10px 0 40px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 50px;
            margin-bottom: 60px;
        }
        
        .footer-logo {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--white);
        }
        
        .footer-logo span {
            color: var(--primary);
        }
        
        .footer-desc {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 30px;
            line-height: 1.8;
        }
        
        .footer-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 25px;
            color: var(--white);
            position: relative;
            padding-bottom: 15px;
        }
        
        .footer-title:after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background-color: var(--primary);
            bottom: 0;
            left: 0;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 52px;
            }
            
            .about-content {
                gap: 50px;
            }
            
            .contact-content {
                gap: 50px;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                align-items: center;
                padding: 30px 0;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                z-index: 999;
            }
            
            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .hero {
                min-height: 700px;
            }
            
            .hero-title {
                font-size: 42px;
            }
            
            .hero-stats {
                flex-wrap: wrap;
            }
            
            .stat-item {
                margin-right: 30px;
                margin-bottom: 20px;
            }
            
            .about-content {
                grid-template-columns: 1fr;
            }
            
            .about-badge {
                right: 0;
                bottom: -30px;
            }
            
            .process-steps {
                flex-wrap: wrap;
            }
            
            .process-steps:before {
                display: none;
            }
            
            .step {
                width: 48%;
                margin-bottom: 40px;
            }
            
            .contact-content {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 36px;
            }
        }
        
        @media (max-width: 576px) {
            .hero-title {
                font-size: 36px;
            }
            
            .hero-subtitle {
                font-size: 18px;
            }
            
            .hero-desc {
                font-size: 18px;
            }
            
            .step {
                width: 100%;
            }
            
            .contact-form {
                padding: 30px;
            }
        }