* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', 'Arial', sans-serif;
        }
        
        :root {
            --primary: #4a86e8;
            --primary-dark: #3a76d8;
            --secondary: #ff6b6b;
            --dark: #0a0a0a;
            --dark-light: #151515;
            --text: #f0f0f0;
            --text-secondary: #999;
        }
        
        body {
            background-color: var(--dark);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        /* 滚动条样式 */
        ::-webkit-scrollbar {
            width: 10px;
        }
        
        ::-webkit-scrollbar-track {
            background: var(--dark-light);
        }
        
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 5px;
        }
        
        /* 顶部导航栏样式 */
        header {
            background-color: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            z-index: 1000;
            padding: 15px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
            transition: padding 0.3s ease;
        }
        
        header.scrolled {
            padding: 10px 5%;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .logo-icon {
            color: var(--primary);
            font-size: 2rem;
        }
        
        .logo-text {
            font-size: 1.8rem;
            font-weight: bold;
            color: #fff;
        }
        
        .logo span {
            color: var(--primary);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin: 0 15px;
        }
        
        nav ul li a {
            color: #ddd;
            text-decoration: none;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: color 0.3s;
            position: relative;
            padding: 5px 0;
        }
        
        nav ul li a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--primary);
            transition: width 0.3s ease;
        }
        
        nav ul li a:hover {
            color: #fff;
        }
        
        nav ul li a:hover:after {
            width: 100%;
        }
        
        .nav-btn {
            display: none;
            background: transparent;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* 标题图片区域 */
        .hero {
            height: 100vh;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../img/titlepng.jpg') no-repeat center center/cover;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 0 20px;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 50% 50%, transparent 30%, rgba(0, 0, 0, 0.8) 100%);
        }
        
        .hero-content {
            max-width: 800px;
            z-index: 1;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeUp 1s ease forwards 0.5s;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.8);
            background: linear-gradient(45deg, #fff, var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: #ccc;
        }
        
        .btn {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 12px 30px;
            text-decoration: none;
            border-radius: 30px;
            font-weight: bold;
            transition: all 0.3s;
            border: 2px solid var(--primary);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--dark-light);
            transition: all 0.3s;
            z-index: -1;
        }
        
        .btn:hover {
            color: var(--primary);
        }
        
        .btn:hover:before {
            left: 0;
        }
        
        .btn-outline {
            background: transparent;
            color: var(--primary);
            margin-left: 15px;
        }
        
        .btn-outline:before {
            background: var(--primary);
        }
        
        .btn-outline:hover {
            color: white;
        }
        
        /* 内容区域样式 */
        .section {
            padding: 100px 5%;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: #fff;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 60px;
            height: 3px;
            background: var(--primary);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .section-title p {
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 关于我们区域 */
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }
        
        .about-text {
            flex: 1;
            min-width: 300px;
        }
        
        .about-image {
            flex: 1;
            min-width: 300px;
            height: 300px;
            background: url('../img/logo.png');
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            background-size: cover;
        }
        
        /* 服务区域 */
        .services {
            background-color: var(--dark-light);
        }
        
        .services-container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }
        
        .service-card {
            background-color: rgba(30, 30, 30, 0.7);
            border-radius: 10px;
            padding: 30px;
            width: 300px;
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            border-color: var(--primary);
        }
        
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        .service-card h3 {
            margin-bottom: 15px;
            color: #fff;
        }
        
        .service-card p {
            color: var(--text-secondary);
        }
        
        /* 团队介绍区域 */
        .team-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
        }
        
        .team-member {
            background-color: var(--dark-light);
            border-radius: 10px;
            overflow: hidden;
            width: 300px;
            transition: transform 0.3s;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        
        .team-member:hover {
            transform: translateY(-10px);
        }
        
        .member-img {
            height: 250px;
            background-color: #333;
            background-position: center;
            background-size: cover;
            position: relative;
        }
        
        .member-img:after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, var(--dark-light) 0%, transparent 100%);
            opacity: 0.7;
        }
        
        .member-info {
            padding: 20px;
            text-align: center;
        }
        
        .member-info h3 {
            margin-bottom: 10px;
            color: #fff;
        }
        
        .member-info p {
            color: var(--text-secondary);
            margin-bottom: 15px;
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 15px;
        }
        
        .social-links a {
            color: var(--text-secondary);
            transition: color 0.3s;
        }
        
        .social-links a:hover {
            color: var(--primary);
        }
        
        /* 项目展示区域 */
        .projects {
            background-color: var(--dark-light);
        }
        
        .projects-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .project-card {
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            height: 250px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }
        
        .project-img {
            width: 100%;
            height: 100%;
            background-position: center;
            background-size: cover;
            transition: transform 0.5s;
        }
        
        .project-card:hover .project-img {
            transform: scale(1.1);
        }
        
        .project-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .project-card:hover .project-overlay {
            opacity: 1;
        }
        
        .project-title {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        
        .project-category {
            color: var(--primary);
            font-size: 0.9rem;
        }
        
        /* 页脚样式 */
        footer {
            background-color: #0f0f0f;
            padding: 60px 5% 30px;
        }
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-section h3 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 1.2rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-section h3:after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background: var(--primary);
            bottom: 0;
            left: 0;
        }
        
        .footer-section p, .footer-section a {
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: block;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-section a:hover {
            color: var(--primary);
        }
        
        .footer-bottom {
            margin-top: 40px;
            text-align: center;
            color: #666;
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        /* 动画 */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            nav ul {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--dark);
                flex-direction: column;
                padding: 20px 0;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            }
            
            nav ul.show {
                display: flex;
            }
            
            nav ul li {
                margin: 10px 0;
                text-align: center;
            }
            
            .nav-btn {
                display: block;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        
        @media (max-width: 768px) {
            .section {
                padding: 80px 5%;
            }
            
            .btn {
                margin-bottom: 10px;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
        }
        .a-{
            text-align: center;
        }
        .member-img h1{
            text-align: center;
        }
        .projects-container p{
            text-align: center;
        }
        .a- a{
            text-decoration: none;
            color: #ffffff;
            border: 1px solid rgb(59, 59, 59,0%);
            border-radius: 15px;
            padding: 10px;
            background-color: #151515;
            text-align: center;
        }