/* 青春活泼配色方案 */
        :root {
            --primary-color: #6e45e2;
            --secondary-color: #88d3ce;
            --accent-color: #ff7e5f;
            --light-color: #f8f9fa;
            --text-color: #333;
            --text-light: #666;
            --gradient: linear-gradient(135deg, #88d3ce, #6e45e2);

            --particle-color: rgba(110, 69, 226, 0.3);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: var(--gradient-light);
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: var(--accent-color);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .btn {
            display: inline-block;
            padding: 10px 20px;
            background: white;
            color: var(--primary-color);
            border-radius: 30px;
            font-weight: 500;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            margin: 5px;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
            background: var(--primary-color);
            color: white;
        }
        
        .btn-accent {
            background:#7405ff;
            color: white;
        }
        
        .btn-accent:hover {
            background: #ff6b4a;
        }
        
        .section {
            padding: 80px 0;
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 15px;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--gradient);
            margin: 15px auto 0;
            border-radius: 2px;
        }
        
        .section-title p {
            color: var(--text-light);
            max-width: 700px;
            margin: 0 auto;
            font-size: 16px;
        }
        
        /* 粒子背景 */
        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 0;
        }
        
        .particle-content {
            position: relative;
            z-index: 1;
        }
        
        /* 透明导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: transparent;
            transition: all 0.3s ease;
            padding: 15px 0;
        }
        
        header.scrolled {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }
        
        header.scrolled .logo h1 {
            color: var(--primary-color);
        }
        
        header.scrolled .nav-links a {
            color: var(--text-color);
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 36px;
            margin-right: 10px;
        }
        
        .logo h1 {
            font-size: 20px;
            font-weight: 700;
            color: #7405ff;
            transition: all 0.3s ease;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
            position: relative;
        }
        
        .nav-links a {
            font-weight: 500;
            color: #7405ff7a;
            transition: all 0.3s ease;
        }
        
        .nav-links a:hover {
            color: var(--accent-color);
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover:after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 24px;
            cursor: pointer;
            color: white;
        }
        
        /* Banner区域 */
        .banner {
            padding: 150px 0 80px;
            position: relative;
            overflow: hidden;
            color: var(--text-color);
            background: var(--gradient-light);
        }
        
        .banner .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .banner-content {
            flex: 1;
            min-width: 300px;
            padding-right: 30px;
        }
        
        .banner-image {
            flex: 1;
            min-width: 300px;
            text-align: center;
            padding: 20px;
        }
        
        .banner-image img {
            max-width: 100%;
            border-radius: 15px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }
        
        .typing-text {
            min-height: 120px;
            margin-bottom: 30px;
        }
        
        .typing-text span {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
            color: var(--primary-color);
        }
        
        .typing-text p {
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 30px;
        }
        
        .app-btns {
            display: flex;
            flex-wrap: wrap;
        }
        
        /* 关于我们区域 */
        .about-section {
            background-color: white;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 40px;
        }
        
        .about-text {
            flex: 1;
            min-width: 300px;
        }
        
        .about-text h2 {
            font-size: 32px;
            margin-bottom: 20px;
            color: var(--primary-color);
        }
        
        .about-text p {
            color: var(--text-light);
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.8;
        }
        
        .about-image {
            flex: 1;
            min-width: 300px;
            text-align: center;
        }
        
        .about-image img {
            max-width: 100%;
            border-radius: 15px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        /* 功能区域 */
        .features-section {
            background-color: #f8f9fa;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .feature-icon {
            width: 50px;
            height: 50px;
            background: var(--gradient);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 20px;
            color: white;
        }
        
        .feature-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .feature-card p {
            color: var(--text-light);
            margin-bottom: 20px;
            font-size: 14px;
            line-height: 1.8;
        }
        
        /* 分割页 */
        .divider-section {
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            background: var(--gradient);
            color: white;
        }
        
        .divider-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .divider-section h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 30px;
            line-height: 1.4;
        }
        
        .divider-section p {
            font-size: 16px;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        /* 页脚 */
        footer {
            background: var(--gradient);
            color: white;
            padding: 60px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background: white;
        }
        
        .footer-column p, .footer-column a {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 15px;
            display: block;
            font-size: 14px;
        }
        
        .footer-column a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .friend-links {
            text-align: center;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            margin: 30px 0;
        }
        
        .friend-links a {
            display: inline-block;
            margin: 0 10px 10px;
            color: rgba(255, 255, 255, 0.8);
        }
        
        .friend-links a:hover {
            color: white;
        }
        
        .copyright {
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            padding-top: 20px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .section {
                padding: 60px 0;
            }
            
            .section-title h2 {
                font-size: 32px;
            }
            
            .banner {
                padding: 120px 0 60px;
            }
            
            .typing-text h1 {
                font-size: 36px;
            }
            
            .banner-content, .banner-image {
                flex: 100%;
                padding: 0;
                text-align: center;
            }
            
            .banner-content {
                margin-bottom: 40px;
            }
            
            .app-btns {
                justify-content: center;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: white;
                flex-direction: column;
                align-items: center;
                padding: 40px 0;
                transition: all 0.5s ease;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .nav-links a {
                color: var(--text-color);
            }
            
            header.scrolled .mobile-menu-btn {
                color: var(--text-color);
            }
            
            .section-title h2 {
                font-size: 28px;
            }
            
            .typing-text h1 {
                font-size: 30px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .divider-section h2 {
                font-size: 28px;
            }
        }
        
        @media (max-width: 576px) {
            .section {
                padding: 50px 0;
            }
            
            .section-title h2 {
                font-size: 24px;
            }
            
            .typing-text h1 {
                font-size: 26px;
            }
            
            .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            
            .divider-section {
                padding: 70px 0;
            }
            
            .divider-section h2 {
                font-size: 24px;
            }
        }