:root {
            --primary: #3498db;
            --secondary: #2980b9;
            --accent: #e74c3c;
            --light: #f0f9f5;
            --dark: #2c3e50;
            --gray: #95a5a6;
            --tech: #9b59b6;
            --trademark: #27ae60;
            --nav-height: 70px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }

        
        .navbar-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        
        .logo {
            color: white;
            font-size: 1.8rem;
            font-weight: bold;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 25px;
        }
        
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            font-size: 1.05rem;
            padding: 8px 15px;
            border-radius: 20px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .nav-links a:hover {
            background-color: rgb(235 242 236 / 10%);
        }
        
        .nav-links a.active {
            background-color: var(--accent);
        }
        
        .nav-links a.active:hover {
            background-color: #c0392b;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            bottom: -5px;
            left: 0;
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        
        .contact-info {
            display: flex;
            align-items: center;
            color: white;
        }
        
        .contact-info .phone {
            background-color: var(--accent);
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        
        .contact-info .phone:hover {
            background-color: #c0392b;
            transform: translateY(-2px);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 60px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-top: 0;
        }
        
        .header-content {
            position: relative;
            z-index: 2;
        }
        
        header h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            animation: fadeInDown 1s ease;
            color: aliceblue;
        }
        
        header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            animation: fadeInUp 1s ease 0.3s both;
            color: aliceblue;
        }
        
        .btn {
            display: inline-block;
            background-color: #ff3b0e;
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s ease;
            animation: fadeIn 1s ease 0.6s both;
        }
        
        .btn:hover {
            background-color: #ffffff;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .bg-circle {
            position: absolute;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            animation: float 6s infinite ease-in-out;
        }
        
        .circle-1 {
            width: 300px;
            height: 300px;
            top: -100px;
            left: -100px;
            animation-delay: 0s;
        }
        
        .circle-2 {
            width: 200px;
            height: 200px;
            bottom: -50px;
            right: 100px;
            animation-delay: 1s;
        }
        
        .circle-3 {
            width: 150px;
            height: 150px;
            top: 100px;
            right: -50px;
            animation-delay: 2s;
        }
        
        section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 50px;
            height: 3px;
            background-color: var(--accent);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .section-title p {
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background-color: #ffffff;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            transform: translateY(20px);
            position: relative;
        }
        
        .tech-service {
            border-top: 4px solid var(--tech);
        }
        
        .trademark-service {
            border-top: 4px solid var(--trademark);
        }
        
        .service-card.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .service-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .service-card p {
            color: var(--gray);
            margin-bottom: 20px;
        }
        
        /* 价格标签样式 */
        .service-price {
            display: inline-block;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: white;
            font-weight: bold;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 1.05rem;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        
        .trademark-service .service-price {
            background: linear-gradient(45deg, var(--trademark), #2ecc71);
        }
        
        .tech-service .service-price {
            background: linear-gradient(45deg, var(--tech), #8e44ad);
        }
        
        .service-price-discount {
            font-size: 0.85rem;
            color: #f1c40f;
            margin-top: 6px;
            font-weight: normal;
        }
        
        .process {
            background-color: var(--light);
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
        }
        
        .process-steps:before {
            content: '';
            position: absolute;
            width: 80%;
            height: 2px;
            background-color: var(--primary);
            top: 30px;
            left: 10%;
        }
        
        .step {
            text-align: center;
            width: 20%;
            position: relative;
            z-index: 2;
            /* opacity: 1; */
            /* transform: translateY(0px); */
        }
        
        .step.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        .step-number {
            width: 60px;
            height: 60px;
            background-color: var(--primary);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 0 auto 20px;
            transition: all 0.3s ease;
        }
        
        .step:hover .step-number {
            background-color: var(--accent);
            transform: scale(1.1);
        }
        
        .step h4 {
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        .step p {
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
            text-align: center;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding: 0 20px;
        }
        
        .footer-section h3 {
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .footer-section h3:after {
            content: '';
            position: absolute;
            width: 30px;
            height: 2px;
            background-color: var(--accent);
            bottom: -8px;
            left: 0;
        }
        
        .footer-section p, .footer-section a {
            color: #bdc3c7;
            margin-bottom: 10px;
            display: block;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-section a:hover {
            color: white;
        }
        
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-20px);
            }
        }
        
        /* 新增版权信息左右布局样式 */
        .copyright {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        
        .copyright p {
            margin: 0;
        }
        
        .copyright a {
            color: white;
            font-size: 14px;
            text-decoration: none;
        }
        
        .copyright a:hover {
            text-decoration: underline;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                right: -100%;
                width: 280px;
                height: calc(100vh - var(--nav-height));
                background-color: var(--dark);
                flex-direction: column;
                align-items: center;
                padding-top: 30px;
                transition: right 0.4s ease;
            }
            
            .nav-links.active {
                right: 0;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .nav-links a {
                padding: 10px 25px;
                font-size: 1.1rem;
            }
            
            .mobile-menu-btn {
                display: block;
            }
        }
        
        @media (max-width: 768px) {
            header h1 {
                font-size: 2rem;
            }
            
            header p {
                font-size: 1rem;
            }
            
            .process-steps {
                flex-direction: column;
            }
            
            .process-steps:before {
                display: none;
            }
            
            .step {
                width: 100%;
                margin-bottom: 30px;
            }
            
            .step-number {
                margin-bottom: 10px;
            }
            
            .copyright {
                flex-direction: column;
                gap: 10px;
            }
        }