:root {
            --primary: #FF6F32; /* 活力橙，象征阳光与专业 */
            --primary-light: #FFE8DF;
            --secondary: #5A67D8; /* 信任蓝 */
            --accent: #FFB800; /* 温暖黄 */
            --dark: #2D3748;
            --light: #F8F9FA;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航样式 */
        header {
            background-color: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.2rem 0;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        
        .logo span {
            color: var(--secondary);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 2.5rem;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 1.1rem;
            position: relative;
            padding: 0.5rem 0;
            transition: var(--transition);
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            transition: var(--transition);
            border-radius: 3px;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .nav-links a:hover:after,
        .nav-links a.active:after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--dark);
            cursor: pointer;
        }
        
        /* 主区域样式 */
        .hero {
            padding: 160px 0 100px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 184, 0, 0.08);
            z-index: 0;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
        }
        
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--dark);
        }
        
        .hero h1 span {
            color: var(--primary);
        }
        
        .hero p {
            font-size: 1.3rem;
            color: #555;
            margin-bottom: 2.5rem;
            max-width: 600px;
        }
        
        .btn {
            display: inline-block;
            padding: 14px 38px;
            background: var(--primary);
            color: white;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            border: 2px solid var(--primary);
            box-shadow: 0 4px 14px rgba(255, 111, 50, 0.3);
        }
        
        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 7px 20px rgba(255, 111, 50, 0.4);
            background: #ff5a1f;
        }
        
        .btn-outline {
            background: transparent;
            color: var(--primary);
            margin-left: 15px;
            box-shadow: none;
        }
        
        .btn-outline:hover {
            background: rgba(255, 111, 50, 0.08);
            transform: translateY(-5px);
        }
        
        /* 内容区块样式 */
        section {
            padding: 100px 0;
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 70px;
            position: relative;
            z-index: 2;
        }
        
        .section-title h2 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 70px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }
        
        .section-title p {
            font-size: 1.25rem;
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            padding: 35px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.03);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
            border-color: rgba(255, 111, 50, 0.15);
        }
        
        .service-icon {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 25px;
            transition: var(--transition);
        }
        
        .service-card:hover .service-icon {
            transform: scale(1.1);
        }
        
        .service-card h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .service-card p {
            color: #666;
            margin-bottom: 20px;
        }
        
        .service-feature {
            padding: 12px 0;
            border-bottom: 1px dashed #eee;
            font-size: 1.05rem;
        }
        
        .service-feature:last-child {
            border-bottom: none;
        }
        
        /* 关于我们 */
        .about {
            background-color: var(--light);
        }
        
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        
        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 25px;
            color: var(--dark);
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: #555;
            font-size: 1.1rem;
        }
        
        .stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        
        .stat-box {
            background: white;
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
        }
        
        .stat-box .number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }
        
        .stat-box .label {
            font-size: 1.05rem;
            color: var(--dark);
        }
        
        /* 常见问题 */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: 20px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(0, 0, 0, 0.03);
            background: white;
        }
        
        .faq-question {
            padding: 22px 25px;
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.3s ease;
        }
        
        .faq-question:hover {
            background: rgba(255, 111, 50, 0.04);
        }
        
        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        
        .faq-question.active::after {
            transform: rotate(45deg);
        }
        
        .faq-answer {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: #555;
            line-height: 1.7;
        }
        
        .faq-answer.open {
            padding: 0 25px 30px;
            max-height: 500px;
        }
        
        /* 联系我们 */
        .contact {
            background: linear-gradient(135deg, #f9fafb 0%, #f0f7ff 100%);
        }
        
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }
        
        .contact-info {
            padding: 40px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        
        .contact-info h3 {
            font-size: 1.7rem;
            margin-bottom: 25px;
            color: var(--dark);
        }
        
        .contact-method {
            margin-bottom: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid #eee;
        }
        
        .contact-method:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border: none;
        }
        
        .contact-method h4 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        
        .contact-method h4 i {
            margin-right: 12px;
            font-size: 1.4rem;
        }
        
        .contact-method p {
            color: #666;
            margin-left: 35px;
        }
        
        /* 页脚 */
        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-column h4 {
            font-size: 1.4rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 12px;
        }
        
        .footer-column h4:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: #CBD5E0;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.05rem;
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 8px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #A0AEC0;
            font-size: 1rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .about-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .nav-links li {
                margin-left: 1.8rem;
            }
        }
        
        @media (max-width: 768px) {
            .hero {
                padding: 140px 0 80px;
            }
            
            .hero h1 {
                font-size: 2.4rem;
            }
            
            .hero p {
                font-size: 1.15rem;
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px 0;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                transform: translateY(-150%);
                transition: transform 0.4s ease;
            }
            
            .nav-links.active {
                transform: translateY(0);
            }
            
            .nav-links li {
                margin: 15px 0;
                text-align: center;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .btn {
                display: block;
                margin: 10px 0;
                text-align: center;
            }
            
            .btn-outline {
                margin-left: 0;
            }
        }
        
        @media (max-width: 576px) {
            .hero {
                padding: 120px 0 60px;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            section {
                padding: 80px 0;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .stats {
                grid-template-columns: 1fr;
            }
        }