:root {
            --deep-space-blue: #0a192f;
            --neon-cyan: #00f5d4;
            --light-slate: #8892b0;
            --lightest-slate: #ccd6f6;
            --white: #e6f1ff;
            --navy-shadow: rgba(2, 12, 27, 0.7);
            --transition: all 0.25s cubic-bezier(0.645, 0.045, 0.355, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--deep-space-blue);
            color: var(--lightest-slate);
            overflow-x: hidden;
        }

        /* 滚动条样式 */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--deep-space-blue);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--neon-cyan);
            border-radius: 4px;
        }

        /* 导航栏 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 50px;
            z-index: 1000;
            backdrop-filter: blur(10px);
            background: rgba(10, 25, 47, 0.8);
            box-shadow: 0 10px 30px -10px var(--navy-shadow);
            transition: var(--transition);
        }
        
        .mobile-menu-btn {
            display: none; /* 默认隐藏移动端菜单按钮 */
        }

        .navbar.scrolled {
            padding: 15px 50px;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo-img {
            height: 40px;
            margin-right: 10px;
        }

        .logo-text {
            font-family: 'Bebas Neue', sans-serif;
            font-size: 28px;
            color: var(--white);
            letter-spacing: 1px;
        }
        
        .logo-image {
            max-height: 50px;
            width: auto;
        }
        
        @media (max-width: 768px) {
            .logo-image {
                max-height: 40px;
            }
        }

        .nav-links {
            display: flex;
            list-style: none;
            align-items: center;
        }

        .nav-links li {
            margin: 0 15px;
            position: relative;
        }

        .nav-links a {
            color: var(--lightest-slate);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            padding: 10px 0;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--neon-cyan);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--neon-cyan);
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .language-switch {
            margin-left: 20px;
            background: transparent;
            border: 1px solid var(--neon-cyan);
            color: var(--neon-cyan);
            padding: 8px 15px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            transition: var(--transition);
        }

        .language-switch:hover {
            background: rgba(0, 245, 212, 0.1);
        }

        /* 首页 Hero Section */
        .hero {
            height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            position: relative;
            padding: 0 20px;
            overflow: hidden;
            background-color: var(--deep-space-blue);
        }

        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 0;
        }

        .hero-content {
            z-index: 2;
            max-width: 900px;
            position: relative;
        }

        .main-title {
            font-family: 'Bebas Neue', sans-serif;
            font-size: 120px;
            color: var(--white);
            margin-bottom: 20px;
            letter-spacing: 5px;
            text-shadow: 0 0 10px rgba(0, 245, 212, 0.5);
            transform-style: preserve-3d;
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) rotateX(0); }
            50% { transform: translateY(-10px) rotateX(5deg); }
        }

        .sub-title {
            font-size: 24px;
            color: var(--light-slate);
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
        }

        .btn {
            padding: 12px 30px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 16px;
            letter-spacing: 1px;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
        }
        
        /* 移动端Hero部分优化 */
        @media (max-width: 768px) {
            .hero-content {
                padding: 0 30px;
                margin-top: 60px; /* 为顶部导航留出空间 */
            }
        }
        
        @media (max-width: 576px) {
            .hero {
                height: 90vh; /* 稍微减小高度，避免在某些手机上内容溢出 */
            }
            
            .hero-content {
                padding: 0 20px;
            }
        }

        .btn-primary {
            background-color: var(--neon-cyan);
            color: var(--deep-space-blue);
            border: none;
            box-shadow: 0 0 10px rgba(0, 245, 212, 0.5);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 20px rgba(0, 245, 212, 0.8);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--neon-cyan);
            border: 1px solid var(--neon-cyan);
        }

        .btn-outline:hover {
            background-color: rgba(0, 245, 212, 0.1);
            transform: translateY(-3px);
        }

        .scroll-down {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            animation: pulse 2s infinite;
            cursor: pointer;
            z-index: 2;
        }

        .scroll-down i {
            color: var(--neon-cyan);
            font-size: 24px;
        }

        @keyframes pulse {
            0% { transform: translateX(-50%) translateY(0); opacity: 1; }
            50% { transform: translateX(-50%) translateY(10px); opacity: 0.5; }
            100% { transform: translateX(-50%) translateY(0); opacity: 1; }
        }

        /* 通用部分样式 */
        .section {
            padding: 100px 50px;
            position: relative;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 40px;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .section-divider {
            width: 60px;
            height: 3px;
            background-color: var(--neon-cyan);
            margin: 15px auto;
        }
        
        .section-subtitle {
            font-size: 18px;
            font-weight: 600;
            color: var(--neon-cyan);
            margin-bottom: 5px;
        }
        
        .section-description {
            font-size: 16px;
            color: var(--light-slate);
            margin-top: 5px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-title {
            font-family: 'Bebas Neue', sans-serif;
            font-size: 60px;
            margin-bottom: 50px;
            color: var(--white);
            text-align: center;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--neon-cyan);
        }

        /* 工作室介绍 */
        .about {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            max-width: 1600px;
            margin-left: auto;
            margin-right: auto;
        }

        .about-text {
            flex: 1;
            padding-right: 50px;
            min-width: 300px;
        }

        .about-title {
            font-size: 36px;
            margin-bottom: 20px;
            color: var(--white);
        }

        .about-description {
            margin-bottom: 30px;
            line-height: 1.8;
            color: var(--light-slate);
        }

        .core-values {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 30px;
        }

        .value-item {
            background: rgba(10, 25, 47, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 20px;
            flex: 1;
            min-width: 200px;
            transition: var(--transition);
        }

        .value-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px -15px var(--navy-shadow);
            border-color: var(--neon-cyan);
        }

        .value-icon {
            color: var(--neon-cyan);
            font-size: 24px;
            margin-bottom: 15px;
        }

        .value-title {
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--white);
        }

        .about-visual {
            flex: 1;
            min-width: 300px;
            position: relative;
        }

        .team-wall {
            position: relative;
            height: 400px;
            background: rgba(10, 25, 47, 0.3);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px -15px var(--navy-shadow);
        }

        .code-grid {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: linear-gradient(rgba(0, 245, 212, 0.05) 1px, transparent 1px),
                            linear-gradient(90deg, rgba(0, 245, 212, 0.05) 1px, transparent 1px);
            background-size: 20px 20px;
            z-index: 1;
        }

        .team-member-2 {
            position: absolute;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: var(--deep-space-blue);
            border: 2px solid var(--neon-cyan);
            box-shadow: 0 0 15px rgba(0, 245, 212, 0.5);
            overflow: hidden;
            cursor: pointer;
            transition: var(--transition);
            z-index: 2;
        }
        .team-member-2 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .team-member:hover {
            transform: scale(1.2);
        }

        .team-member img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .video-btn {
            position: absolute;
            bottom: 20px;
            right: 20px;
            background: rgba(0, 245, 212, 0.2);
            border: none;
            color: var(--white);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            z-index: 3;
            transition: var(--transition);
        }

        .video-btn:hover {
            background: rgba(0, 245, 212, 0.4);
            transform: scale(1.1);
        }

        .video-btn i {
            font-size: 24px;
        }

        /* 项目展示 */
        .projects-nav {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
        }

        .project-tab {
            padding: 10px 30px;
            background: transparent;
            border: none;
            color: var(--light-slate);
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .project-tab.active {
            color: var(--neon-cyan);
        }

        .project-tab::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--neon-cyan);
            transition: var(--transition);
        }

        .project-tab.active::after {
            width: 30px;
        }

        .projects-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 30px;
            margin-left: auto;
            margin-right: auto;
            max-width: 1600px;
            justify-content: center;
        }

        .project-card {
            background: rgba(10, 25, 47, 0.5);
            backdrop-filter: blur(10px);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 30px -15px var(--navy-shadow);
            border-color: var(--neon-cyan);
        }

        .project-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .project-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .project-card:hover .project-image img {
            transform: scale(1.1);
        }

        .project-content {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .project-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--white);
            display: inline-block;
            margin-right: 10px;
            vertical-align: middle;
        }

        .project-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 15px;
            z-index: 2;
        }
        
        /* 网站项目卡片中的标签 */
        #websites-container .project-tags {
            display: inline-flex;
            position: relative;
            vertical-align: middle;
            margin-bottom: 0;
            margin-left: 10px;
        }
        
        /* 标题和标签容器 */
        .title-tag-container {
            display: flex;
            align-items: flex-start;
            margin-bottom: 10px;
        }
        
        /* 程序项目卡片中的标签 */
        #programs-container .project-tags {
            display: inline-flex;
            position: relative;
            vertical-align: middle;
            margin-bottom: 0;
            margin-left: 10px;
        }

        .project-tag {
            background: rgba(0, 245, 212, 0.1);
            color: var(--neon-cyan);
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }
        
        /* 原创/二开标签样式 */
        .project-tag.original {
            background: rgba(52, 191, 163, 0.2);
            color: rgb(52, 191, 163);
        }
        
        .project-tag.modified {
            background: rgba(246, 194, 62, 0.2);
            color: rgb(246, 194, 62);
        }

        /* 程序类型标签 */
        .program-type-container {
            position: absolute;
            top: 15px;
            right: 15px;
            z-index: 2;
        }

        .program-type-label {
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 0.85em;
            color: #fff;
            font-weight: 500;
            text-align: center;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .label-app {
            background: rgba(52, 191, 163, 0.95);
            border: 1px solid rgba(52, 191, 163, 0.2);
        }

        .label-web {
            background: rgba(246, 194, 62, 0.95);
            border: 1px solid rgba(246, 194, 62, 0.2);
        }

        .project-description {
            color: var(--light-slate);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .tech-stack {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: auto;
            margin-bottom: 15px;
        }
        
        .mt-auto {
            margin-top: auto;
            display: flex;
            gap: 10px;
        }
        
        .btn-sm {
            padding: 6px 14px;
            font-size: 14px;
            border-radius: 4px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            font-size: 12px;
            min-width: 80px;
            height: 32px;
            white-space: nowrap;
            position: relative;
            overflow: hidden;
        }
        
        .btn-sm::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: all 0.6s ease;
        }
        
        .btn-sm:hover::before {
            left: 100%;
        }
        
        .btn-primary {
            background-color: var(--neon-cyan);
            color: var(--deep-space-blue);
            border: 1px solid var(--neon-cyan);
        }
        
        .btn-primary:hover {
            background-color: transparent;
            color: var(--neon-cyan);
        }
        
        .btn-secondary {
            background-color: transparent;
            color: var(--neon-cyan);
            border: 1px solid var(--neon-cyan);
            box-shadow: 0 0 5px rgba(0, 245, 212, 0.2);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        
        .btn-secondary:hover {
            background-color: var(--neon-cyan);
            color: var(--deep-space-blue);
            box-shadow: 0 0 10px rgba(0, 245, 212, 0.5);
            transform: translateY(-2px);
        }
        
        .btn-secondary:active {
            transform: translateY(0);
            box-shadow: 0 0 3px rgba(0, 245, 212, 0.3);
        }

        .tech-icon {
            width: 24px;
            height: 24px;
            position: relative;
        }

        .tech-icon img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .tech-icon:hover::after {
            content: attr(data-tech);
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            background: var(--deep-space-blue);
            color: var(--white);
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 12px;
            white-space: nowrap;
            z-index: 10;
        }
        
        /* 移动端项目展示优化 */
        @media (max-width: 768px) {
            .projects-container {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
                gap: 20px;
                justify-content: center;
            }
            
            .project-image {
                height: 180px;
            }
            
            .project-content {
                padding: 15px;
            }
            
            .title-tag-container {
                display: flex;
                align-items: center;
                margin-bottom: 8px;
                flex-wrap: wrap;
            }
            
            .project-title {
                font-size: 18px;
                margin-right: 5px;
                vertical-align: middle;
            }
            
            .project-tag {
                padding: 3px 8px;
                font-size: 11px;
            }
            
            #programs-container .project-tags {
                margin-bottom: 0;
                vertical-align: middle;
            }
        }
        
        @media (max-width: 576px) {
            .projects-container {
                grid-template-columns: 1fr;
                max-width: 350px;
                margin-left: auto;
                margin-right: auto;
            }
            
            .project-card {
                max-width: 100%;
            }
            
            .project-image {
                height: 180px;
            }
            
            .project-content {
                padding: 15px;
            }
            
            .title-tag-container {
                display: flex;
                align-items: center;
                margin-bottom: 8px;
                flex-wrap: wrap;
            }
            
            .project-title {
                font-size: 18px;
                vertical-align: middle;
                margin-right: 5px;
            }
            
            #programs-container .project-tags {
                margin-bottom: 0;
                vertical-align: middle;
            }
            
            .project-description {
                margin-bottom: 15px;
            }
        }

        /* 技术栈 */
        .tech-section {
            text-align: center;
        }

        .tech-radar {
            width: 100%;
            max-width: 800px;
            height: 500px;
            margin: 0 auto 50px;
            position: relative;
        }

        .tech-matrix {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            margin-top: 50px;
        }

        .tech-category {
            flex: 1;
            min-width: 250px;
            max-width: 350px;
            background: rgba(10, 25, 47, 0.5);
            backdrop-filter: blur(10px);
            border-radius: 10px;
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .tech-category:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px -15px var(--navy-shadow);
            border-color: var(--neon-cyan);
        }
        
        /* 移动端技术栈优化 */
        @media (max-width: 768px) {
            .tech-matrix {
                gap: 20px;
                margin-top: 30px;
            }
            
            .tech-category {
                padding: 20px;
                min-width: 220px;
            }
            
            .tech-icons {
                gap: 15px;
            }
        }
        
        @media (max-width: 576px) {
            .tech-matrix {
                flex-direction: column;
                align-items: center;
                gap: 25px;
            }
            
            .tech-category {
                width: 100%;
                max-width: 320px;
                padding: 20px 15px;
            }
            
            .category-title {
                font-size: 20px;
            }
        }

        .category-title {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--white);
            position: relative;
            display: inline-block;
        }

        .category-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--neon-cyan);
        }

        .tech-icons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-top: 20px;
        }

        .tech-item {
            width: 60px;
            height: 60px;
            background: rgba(10, 25, 47, 0.8);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: var(--transition);
            position: relative;
            cursor: pointer;
        }

        .tech-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 245, 212, 0.3);
        }

        .tech-item img {
            width: 35px;
            height: 35px;
            object-fit: contain;
        }

        .tech-item:hover::after {
            content: attr(data-name);
            position: absolute;
            bottom: -30px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--deep-space-blue);
            color: var(--white);
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 12px;
            white-space: nowrap;
            z-index: 10;
        }

        .self-developed {
            position: relative;
        }

        .self-developed::before {
            content: '⭐';
            position: absolute;
            top: -5px;
            right: -5px;
            font-size: 14px;
            z-index: 2;
        }

        /* 团队页 */
        .team-section {
            text-align: center;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 50px;
            padding: 0 20px;
            animation: fadeInUp 1s ease-out;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }

        .team-member {
            position: relative;
            background: rgba(10, 25, 47, 0.5);
            backdrop-filter: blur(10px);
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            display: flex;
            flex-direction: column;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            animation: fadeIn 0.6s ease-out forwards;
            animation-delay: calc(var(--item-index, 0) * 0.1s);
            opacity: 0;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .team-member:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px -10px var(--navy-shadow);
            border-color: var(--neon-cyan);
        }

        .member-image {
            width: 100%;
            height: 220px;
            overflow: hidden;
        }

        .team-member-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .team-member:hover .team-member-img {
            transform: scale(1.05);
        }

        .member-info {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .member-info h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .gender-icon {
            margin-left: 8px;
            font-size: 14px;
        }

        .position {
            font-size: 16px;
            color: var(--neon-cyan);
            margin-bottom: 15px;
            text-align: center;
        }

        .bio {
            font-size: 14px;
            line-height: 1.6;
            color: var(--light-slate);
            margin-bottom: 20px;
            text-align: center;
        }

        .member-social {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: auto;
        }

        .social-icon {
            color: var(--light-slate);
            font-size: 18px;
            transition: var(--transition);
        }

        .social-icon:hover {
            color: var(--neon-cyan);
            transform: translateY(-3px);
        }

        .member-number {
            position: absolute;
            bottom: 10px;
            right: 15px;
            font-size: 4rem;
            font-weight: bold;
            color: rgba(0, 245, 212, 0.1);
            line-height: 1;
            z-index: 0;
        }
        
        /* 团队查询部分样式 */
        .team-query-content {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* 团队页面响应式样式 */
        @media (max-width: 768px) {
            .team-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
                gap: 20px;
                padding: 0 15px;
            }
            
            .team-query-content {
                flex-direction: column;
                align-items: center;
                gap: 15px;
            }
        }
        
        @media (max-width: 576px) {
            .team-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                gap: 15px;
                padding: 0 10px;
            }
            
            .member-info h3 {
                font-size: 18px;
            }
            
            .position {
                font-size: 14px;
            }
            
            .bio {
                font-size: 13px;
            }
            
            .section-header {
                padding: 0 15px;
            }
            
            .section-title {
                font-size: 40px;
                margin-bottom: 30px;
            }
            
            .section-subtitle {
                font-size: 16px;
            }
            
            .section-description {
                font-size: 14px;
            }
        }
        
        /* 微信弹窗样式 */
        .wechat-popup {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            backdrop-filter: blur(5px);
        }
        
        .wechat-popup-content {
            background: var(--deep-space-blue);
            border-radius: 10px;
            width: 90%;
            max-width: 400px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .wechat-popup-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            background: rgba(0, 245, 212, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .wechat-popup-header h3 {
            margin: 0;
            color: var(--white);
            font-size: 18px;
        }
        
        .wechat-popup-close {
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: var(--white);
            font-size: 24px;
            cursor: pointer;
            padding: 0;
            line-height: 1;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .wechat-popup-close:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(90deg);
        }
        
        .wechat-popup-body {
            padding: 20px;
            text-align: center;
        }
        
        .wechat-popup-body p {
            margin-bottom: 15px;
            color: var(--light-slate);
        }
        
        .wechat-qr-code {
            width: 200px;
            height: 200px;
            margin: 0 auto;
            background: var(--white);
            padding: 10px;
            border-radius: 5px;
        }
        
        .wechat-qr-code img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        
        .wechat-no-qr {
            padding: 30px 0;
            color: var(--light-slate);
            font-style: italic;
        }
        
        .wechat-id {
            display: inline-block;
            background: rgba(0, 245, 212, 0.1);
            padding: 3px 8px;
            border-radius: 4px;
            color: var(--neon-cyan);
            cursor: pointer;
            transition: all 0.3s ease;
            user-select: all;
            position: relative;
        }
        
        .wechat-id:hover {
            background: rgba(0, 245, 212, 0.2);
        }
        
        .wechat-id:active {
            transform: scale(0.95);
        }
        
        .wechat-id::after {
            content: '点击复制';
            position: absolute;
            bottom: -25px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 12px;
            opacity: 0;
            transition: opacity 0.3s ease;
            pointer-events: none;
            white-space: nowrap;
        }
        
        .wechat-id:hover::after {
            opacity: 1;
        }
        
        .copy-tooltip {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(40, 167, 69, 0.9);
            color: #fff;
            padding: 10px 20px;
            border-radius: 25px;
            font-size: 14px;
            opacity: 0;
            transition: all 0.3s ease;
            z-index: 1100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .copy-tooltip i {
            font-size: 16px;
        }
        
        .copy-tooltip.show {
            opacity: 1;
            transform: translate(-50%, -10px);
        }
        
        /* 团队查询模态框样式 */
        #teamQueryModal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            backdrop-filter: blur(5px);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        
        #teamQueryModal.show {
            opacity: 1;
            visibility: visible;
        }
        
        .modal-dialog {
            width: 90%;
            max-width: 500px;
            margin: 1.75rem auto;
        }
        
        .modal-dialog-centered {
            display: flex;
            align-items: center;
            min-height: calc(100% - 3.5rem);
        }
        
        .modal-content {
            background: var(--deep-space-blue);
            border-radius: 10px;
            width: 100%;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
            animation: modalFadeIn 0.3s ease-out;
        }
        
        @keyframes modalFadeIn {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            background: rgba(0, 245, 212, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .modal-title {
            margin: 0;
            color: var(--white);
            font-size: 18px;
            font-weight: 600;
        }
        
        .btn-close {
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: var(--white);
            font-size: 24px;
            cursor: pointer;
            padding: 0;
            line-height: 1;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .btn-close:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(90deg);
        }
        
        .btn-close::before,
        .btn-close::after {
            content: '';
            position: absolute;
            width: 15px;
            height: 2px;
            background-color: var(--white);
            top: 50%;
            left: 50%;
        }
        
        .btn-close::before {
            transform: translate(-50%, -50%) rotate(45deg);
        }
        
        .btn-close::after {
            transform: translate(-50%, -50%) rotate(-45deg);
        }
        
        .modal-body {
            padding: 20px;
        }
        
        #teamQueryForm .mb-3 {
            margin-bottom: 20px;
        }
        
        #teamQueryForm .form-label {
            display: block;
            margin-bottom: 8px;
            color: var(--lightest-slate);
            font-weight: 500;
            font-size: 16px;
        }
        
        #teamQueryForm .form-control {
            width: 100%;
            padding: 12px 15px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            color: var(--white);
            font-size: 16px;
            transition: all 0.3s ease;
        }
        
        #teamQueryForm .form-control:focus {
            outline: none;
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 2px rgba(0, 245, 212, 0.2);
        }
        
        #teamQueryForm .form-control::placeholder {
            color: var(--light-slate);
        }
        
        #teamQueryForm .btn {
            padding: 12px 30px;
            border-radius: 5px;
            font-weight: 600;
            font-size: 16px;
            letter-spacing: 1px;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
            width: 100%;
            margin-top: 10px;
        }
        
        #teamQueryForm .btn-primary {
            background-color: var(--neon-cyan);
            color: var(--deep-space-blue);
            border: none;
            box-shadow: 0 0 10px rgba(0, 245, 212, 0.3);
        }
        
        #teamQueryForm .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 20px rgba(0, 245, 212, 0.5);
        }
        
        #queryResult {
            margin-top: 20px;
            padding: 15px;
            border-radius: 5px;
            background: rgba(0, 245, 212, 0.05);
            border: 1px solid rgba(0, 245, 212, 0.1);
            color: var(--lightest-slate);
        }
        
        #queryResult.success {
            background: rgba(40, 167, 69, 0.1);
            border-color: rgba(40, 167, 69, 0.2);
        }
        
        #queryResult.error {
            background: rgba(220, 53, 69, 0.1);
            border-color: rgba(220, 53, 69, 0.2);
        }
        
        /* 响应式样式 */
        @media (max-width: 576px) {
            .modal-dialog {
                margin: 1rem;
                width: calc(100% - 2rem);
            }
            
            .modal-header {
                padding: 12px 15px;
            }
            
            .modal-title {
                font-size: 16px;
            }
            
            .modal-body {
                padding: 15px;
            }
            
            #teamQueryForm .form-label {
                font-size: 14px;
            }
            
            #teamQueryForm .form-control {
                padding: 10px 12px;
                font-size: 14px;
            }
            
            #teamQueryForm .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }
        
        /* 移动端团队部分优化 */
        @media (max-width: 768px) {
            .team-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
                gap: 20px;
                margin-top: 30px;
                padding: 0 15px;
            }
            
            .member-image {
                height: 180px;
            }
            
            .member-info {
                padding: 15px;
            }
            
            .bio {
                font-size: 13px;
                line-height: 1.5;
                max-height: 80px;
                overflow: auto;
            }
            
            .wechat-popup-content {
                width: 95%;
                max-width: 350px;
            }
            
            .wechat-qr-code {
                width: 180px;
                height: 180px;
            }
            
            .member-info h3 {
                font-size: 18px;
            }
            
            .position {
                font-size: 14px;
                margin-bottom: 10px;
            }
            
            .bio {
                font-size: 13px;
                margin-bottom: 15px;
            }
            
            .member-number {
                font-size: 3rem;
            }
        }
            
            .member-photo {
                width: 90px;
                height: 90px;
                margin-bottom: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .org-level {
                flex-direction: column;
                align-items: center;
                gap: 25px;
            }
            
            .team-card {
                width: 100%;
                max-width: 220px;
            }
            
            .member-name {
                font-size: 16px;
            }
            
            .member-role {
                font-size: 13px;
                margin-bottom: 10px;
            }
            
            .member-links {
                gap: 12px;
            }
            
            .member-links a {
                font-size: 14px;
            }
        }

        /* 页脚 */
        .footer {
            background: rgba(10, 25, 47, 0.8);
            backdrop-filter: blur(10px);
            padding: 80px 50px 30px;
        }

        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-column {
            flex: 1;
            min-width: 250px;
        }

        .footer-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--white);
            position: relative;
            display: inline-block;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--neon-cyan);
        }

        .contact-info {
            margin-bottom: 20px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
        }

        .contact-icon {
            color: var(--neon-cyan);
            font-size: 18px;
            margin-right: 15px;
            margin-top: 3px;
        }

        .contact-text {
            color: var(--light-slate);
            line-height: 1.6;
        }

        .contact-form .form-group {
            margin-bottom: 15px;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            background: rgba(10, 25, 47, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            padding: 12px 15px;
            color: var(--white);
            font-family: 'Montserrat', sans-serif;
            transition: var(--transition);
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--neon-cyan);
            box-shadow: 0 0 10px rgba(0, 245, 212, 0.2);
        }

        .contact-form textarea {
            min-height: 120px;
            resize: vertical;
        }

        .submit-btn {
            background-color: var(--neon-cyan);
            color: var(--deep-space-blue);
            border: none;
            padding: 12px 25px;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 245, 212, 0.4);
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(10, 25, 47, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            transition: var(--transition);
        }

        .social-link:hover {
            background: var(--neon-cyan);
            transform: translateY(-5px);
        }

        .social-link i {
            color: var(--white);
            font-size: 18px;
        }

        .social-link:hover i {
            color: var(--deep-space-blue);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .copyright {
            color: var(--light-slate);
            font-size: 14px;
        }
        
        /* 移动端页脚优化 */
        @media (max-width: 992px) {
            .footer {
                padding: 60px 40px 30px;
            }
            
            .footer-column {
                min-width: 300px;
            }
        }
        
        @media (max-width: 768px) {
            .footer {
                padding: 50px 30px 20px;
            }
            
            .footer-content {
                flex-direction: column;
                gap: 30px;
                margin-bottom: 30px;
            }
            
            .footer-column {
                width: 100%;
                min-width: 100%;
            }
            
            .contact-form {
                max-width: 500px;
            }
        }
        
        @media (max-width: 576px) {
            .footer {
                padding: 40px 20px 20px;
            }
            
            .footer-title {
                font-size: 18px;
                margin-bottom: 15px;
            }
            
            .contact-item {
                margin-bottom: 12px;
            }
            
            .contact-icon {
                font-size: 16px;
            }
            
            .contact-text {
                font-size: 14px;
            }
            
            .social-links {
                justify-content: center;
            }
            
            .social-link {
                width: 35px;
                height: 35px;
            }
            
            .social-link i {
                font-size: 16px;
            }
            
            .contact-form input,
            .contact-form textarea {
                padding: 10px;
                font-size: 14px;
            }
            
            .submit-btn {
                width: 100%;
                padding: 12px 0;
            }
            
            .copyright {
                font-size: 12px;
            }
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .main-title {
                font-size: 100px;
            }
        }

        @media (max-width: 992px) {
            .section {
                padding: 80px 30px;
            }

            .main-title {
                font-size: 80px;
            }

            .about-text {
                padding-right: 0;
                margin-bottom: 50px;
            }

            .about {
                flex-direction: column;
            }

            .about-visual {
                width: 100%;
            }
            
            .tech-matrix {
                gap: 20px;
            }
        }

        /* 平板设备适配 */
        @media (max-width: 768px) {
            .navbar {
                padding: 15px 20px;
            }

            .navbar.scrolled {
                padding: 10px 20px;
            }
            
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10, 25, 47, 0.95);
                backdrop-filter: blur(10px);
                flex-direction: column;
                padding: 0;
                z-index: 1000;
                box-shadow: 0 10px 30px -10px rgba(2, 12, 27, 0.7);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease, padding 0.3s ease;
                opacity: 0;
            }
            
            .nav-links.active {
                display: flex;
                max-height: 400px;
                padding: 20px 0;
                opacity: 1;
            }
            
            .nav-links li {
                margin: 0;
                width: 100%;
                text-align: center;
                opacity: 0;
                transform: translateY(-10px);
                transition: opacity 0.3s ease, transform 0.3s ease;
            }
            
            .nav-links.active li {
                opacity: 1;
                transform: translateY(0);
                transition-delay: calc(0.05s * var(--item-index, 0));
            }
            
            .nav-links li a {
                display: block;
                padding: 12px 20px;
                font-size: 16px;
                font-weight: 500;
                position: relative;
                transition: color 0.3s ease;
            }
            
            .nav-links li a::after {
                content: '';
                position: absolute;
                bottom: 8px;
                left: 50%;
                width: 0;
                height: 2px;
                background-color: var(--accent);
                transition: width 0.3s ease, left 0.3s ease;
            }
            
            .nav-links li a:hover::after {
                width: 30%;
                left: 35%;
            }
            
            .nav-links li:last-child {
                margin-top: 15px;
            }
            
            .nav-links .language-switch {
                background-color: transparent;
                border: 1px solid var(--accent);
                color: var(--white);
                padding: 8px 15px;
                border-radius: 4px;
                font-size: 14px;
                font-weight: 500;
                cursor: pointer;
                transition: background-color 0.3s ease, color 0.3s ease;
            }
            
            .nav-links .language-switch:hover {
                background-color: var(--accent);
                color: var(--dark-bg);
            }
            
            .mobile-menu-btn {
                display: block;
                background: transparent;
                border: none;
                color: var(--white);
                font-size: 24px;
                cursor: pointer;
                transition: transform 0.3s ease;
            }
            
            .mobile-menu-btn:active {
                transform: scale(0.9);
            }
            
            /* 添加背景遮罩 */
            .menu-overlay {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0, 0, 0, 0.5);
                z-index: 999;
                opacity: 0;
                visibility: hidden;
                transition: opacity 0.3s ease, visibility 0.3s ease;
            }
            
            .menu-overlay.active {
                opacity: 1;
                visibility: visible;
            }

            .main-title {
                font-size: 60px;
            }

            .sub-title {
                font-size: 18px;
            }

            .section-title {
                font-size: 40px;
            }

            .cta-buttons {
                flex-direction: column;
                gap: 15px;
            }

            .btn {
                width: 100%;
                text-align: center;
            }

            .projects-container {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }

            .tech-category {
                min-width: 100%;
            }

            .footer-content {
                flex-direction: column;
            }
            
            .projects-nav {
                flex-wrap: wrap;
            }
            
            .project-tab {
                padding: 10px 15px;
                font-size: 16px;
            }
            
            .org-level {
                gap: 20px;
            }
        }

        /* 手机端适配 */
        @media (max-width: 576px) {
            .section {
                padding: 60px 20px;
            }
            
            .main-title {
                font-size: 40px;
                margin-bottom: 15px;
            }

            .sub-title {
                font-size: 16px;
                margin-bottom: 25px;
            }

            .section-title {
                font-size: 32px;
                margin-bottom: 30px;
            }

            .about-title {
                font-size: 28px;
            }
            
            .about-description {
                font-size: 14px;
            }
            
            .value-item {
                min-width: 100%;
                margin-bottom: 15px;
            }

            .team-card {
                width: 100%;
                max-width: 250px;
                margin: 0 auto;
            }
            
            .project-card {
                min-height: auto;
            }
            
            .project-image {
                height: 160px;
            }
            
            .project-title {
                font-size: 18px;
            }
            
            .project-description {
                font-size: 13px;
            }
            
            .tech-item {
                width: 50px;
                height: 50px;
            }
            
            .tech-item img {
                width: 30px;
                height: 30px;
            }
            
            .contact-form input,
            .contact-form textarea {
                padding: 10px;
                font-size: 14px;
            }
            
            .submit-btn {
                width: 100%;
                padding: 12px 0;
            }
            
            .footer {
                padding: 60px 20px 20px;
            }
            
            .footer-title {
                font-size: 18px;
            }
            
            .contact-text {
                font-size: 14px;
            }
            
            .social-links {
                justify-content: center;
            }
        }
        
        /* 小型手机适配 */
        @media (max-width: 375px) {
            .main-title {
                font-size: 32px;
            }
            
            .section-title {
                font-size: 28px;
            }
            
            .about-title {
                font-size: 24px;
            }
            
            .tech-icons {
                gap: 10px;
            }
            
            .tech-item {
                width: 45px;
                height: 45px;
            }
            
            .tech-item img {
                width: 25px;
                height: 25px;
            }
            
            .project-tab {
                padding: 8px 12px;
                font-size: 14px;
            }
        }
        
        /* 页脚样式 */
        .site-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            background: #0a192f;
            padding: 60px 0 30px 0;
            color: #fff;
            font-size: 14px;
        }
        
        .container {
            max-width: 1320px;
            width: 100%;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .row {
            display: flex;
            flex-wrap: wrap;
            margin-right: -15px;
            margin-left: -15px;
        }
        
        .col-lg-2, .col-lg-3, .col-lg-4, .col-md-6 {
            position: relative;
            width: 100%;
            padding-right: 15px;
            padding-left: 15px;
        }
        
        @media (min-width: 768px) {
            .col-md-6 {
                flex: 0 0 50%;
                max-width: 50%;
            }
        }
        
        @media (min-width: 992px) {
            .col-lg-2 {
                flex: 0 0 16.666667%;
                max-width: 16.666667%;
            }
            
            .col-lg-3 {
                flex: 0 0 25%;
                max-width: 25%;
            }
            
            .col-lg-4 {
                flex: 0 0 33.333333%;
                max-width: 33.333333%;
            }
        }
        
        .footer-top {
            padding-bottom: 30px;
        }
        
        .site-footer h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: #fff;
        }
        
        .footer-info {
            margin-bottom: 30px;
        }
        
        .footer-info p {
            margin-bottom: 10px;
            line-height: 1.8;
        }
        
        .footer-contact {
            margin-bottom: 30px;
        }
        
        .footer-contact p {
            margin-bottom: 10px;
            line-height: 1.8;
        }
        
        .site-footer h4 {
            font-size: 18px;
            margin-bottom: 15px;
            color: #fff;
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-links li {
            padding: 5px 0;
            display: block;
        }
        
        .footer-links a {
            color: #fff;
            text-decoration: none;
            transition: 0.3s;
            display: inline-block;
        }
        
        .footer-links a:hover {
            color: #007bff;
            padding-left: 5px;
        }
        
        .social-links a {
            font-size: 18px;
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            line-height: 1;
            padding: 8px 0;
            margin-right: 4px;
            border-radius: 4px;
            text-align: center;
            width: 36px;
            height: 36px;
            transition: 0.3s;
        }
        
        /* Font Awesome 图标样式 */
        .fab, .fas, .far, .fa {
            display: inline-block;
            font-style: normal;
            font-variant: normal;
            text-rendering: auto;
            line-height: 1;
        }
        
        .fa-facebook-f:before {
            content: "\f39e";
        }
        
        .fa-twitter:before {
            content: "\f099";
        }
        
        .fa-instagram:before {
            content: "\f16d";
        }
        
        .fa-linkedin-in:before {
            content: "\f0e1";
        }
        
        .fa-weixin:before {
            content: "\f1d7";
        }
        
        .fa-qq:before {
            content: "\f1d6";
        }
        
        .fa-weibo:before {
            content: "\f18a";
        }
        
        .fa-github:before {
            content: "\f09b";
        }
        
        .social-links a:hover {
            background: #007bff;
            color: #fff;
            text-decoration: none;
        }
        
        .mt-3 {
            margin-top: 1rem !important;
        }
        
        .footer-contact p {
            font-size: 14px;
            line-height: 1.5;
            margin-bottom: 0;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
        }
        
        .credits {
            padding-top: 10px;
            text-align: center;
            font-size: 13px;
            color: #fff;
        }
        
        .credits a {
            color: #fff;
            text-decoration: none;
            transition: 0.3s;
        }
        
        .credits a:hover {
            color: #007bff;
            text-decoration: none;
        }
        
        .credits img {
            height: 20px;
            width: auto;
            vertical-align: middle;
            margin-right: 5px;
        }
        
        .footer-beian {
            display: flex;
            align-items: center;
            gap: 10px;
            text-align: center;
            margin-top: 10px;
        }
        
        .footer-beian a {
            color: #6c757d;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .footer-beian a:hover {
            color: #007bff;
        }
        
        .footer-beian .divider {
            height: 14px;
            width: 1px;
            background: rgba(255,255,255,0.5);
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            
            .footer-links, .footer-links + .footer-links {
                display: none;
            }
            
            .site-footer .col-lg-4, .site-footer .col-lg-3 {
                width: 100%;
                margin-bottom: 30px;
                text-align: center;
            }
            
            .footer-beian {
                flex-direction: column;
                text-align: center;
            }
            
            .footer-beian .divider {
                display: none;
            }
        }
        }