* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        :root {
            --primary: #6a7df9;
            --primary-light: #8ea1ff;
            --secondary: #5fc9d7;
            --accent: #a18bf5;
            --wechat-green: #07C160;
            --qq-blue: #12B7F5;
            --weibo-red: #E6162D;
            --github-black: #181717;
            --instagram-purple: #E1306C;
            --youtube-red: #FF0000;
            --whatsapp-green: #07C160;
            --dark: #1a1c2c;
            --darker: #0f1120;
            --light: #e1e6f9;
            --lighter: #f5f7ff;
            --card-bg: rgba(255, 255, 255, 0.08);
            --footer-bg: rgba(255, 255, 255, 0.08); /* 玻璃效果背景 */
        }
        
        body {
            background: linear-gradient(135deg, var(--darker), var(--dark));
            background-attachment: fixed;
            color: var(--light);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }
        
        /* 更亮的粒子背景 */
        #particles-js {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            opacity: 0.6; /* 增加粒子可见度 */
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
            position: relative;
            z-index: 10;
        }
        
        header {
            text-align: center;
            padding: 60px 0 30px;
            position: relative;
        }
        
        .logo-container {
            width: 120px;
            height: 120px;
            margin: 0 auto 25px;
            position: relative;
        }
        
        .logo {
            width: 100%;
            height: 100%;
            background: rgba(106, 125, 249, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(106, 125, 249, 0.2);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }
        
        .logo:hover {
            background: rgba(106, 125, 249, 0.2);
            transform: scale(1.05);
        }
        
        .logo i {
            font-size: 48px;
            color: var(--primary-light);
            transition: var(--transition);
        }
        
        .logo:hover i {
            color: var(--secondary);
            transform: scale(1.1);
        }
        
        h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            font-weight: 600;
            color: var(--lighter);
            letter-spacing: 1px;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        
        h1:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
            opacity: 0.7;
        }
        
        .subtitle {
            font-size: 1.3rem;
            color: var(--secondary);
            margin-bottom: 30px;
            font-weight: 300;
            letter-spacing: 0.5px;
        }
        
        .content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin: 30px 0 30px;
        }
        
        .card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 35px 30px;
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(106, 125, 249, 0.1);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            position: relative;
            overflow: hidden;
            opacity: 0;
            animation: fadeIn 0.8s forwards;
        }
        
        .card:nth-child(1) { animation-delay: 0.2s; }
        .card:nth-child(2) { animation-delay: 0.4s; }
        .card:nth-child(3) { animation-delay: 0.6s; }
        
        @keyframes fadeIn {
            to { opacity: 1; }
        }
        
        .card:before {
            content: '';
            position: absolute;
            top: -1px;
            left: -1px;
            right: -1px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }
        
        .card:hover {
            transform: translateY(-8px); /* 减少上浮幅度 */
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
            border-color: rgba(106, 125, 249, 0.3);
        }
        
        .card:hover:before {
            transform: scaleX(1);
        }
        
        .card i {
            font-size: 48px;
            color: var(--primary-light);
            margin-bottom: 25px;
            transition: var(--transition);
        }
        
        .card:hover i {
            color: var(--secondary);
            transform: scale(1.15);
        }
        
        .card h3 {
            font-size: 1.7rem;
            margin-bottom: 20px;
            color: var(--lighter);
            letter-spacing: 0.5px;
        }
        
        .card p {
            font-size: 1.1rem;
            color: var(--light);
            margin-bottom: 25px;
            line-height: 1.7;
            opacity: 0.9;
        }
        
        .features {
            text-align: left;
            margin-top: 25px;
            padding: 0 10px;
        }
        
        .features li {
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
            padding: 10px 15px;
            background: rgba(106, 125, 249, 0.08);
            border-radius: 8px;
            transition: var(--transition);
        }
        
        .features li:hover {
            background: rgba(106, 125, 249, 0.15);
        }
        
        .features li i {
            font-size: 16px;
            color: var(--secondary);
            margin-right: 12px;
            margin-top: 4px;
        }
        
        .cta-section {
            text-align: center;
            padding: 60px 40px;
            margin: 60px 0;
            background: var(--card-bg);
            border-radius: 20px;
            border: 1px solid rgba(106, 125, 249, 0.15);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(8px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
        }
        
        .cta-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
            border-color: rgba(106, 125, 249, 0.25);
        }
        
        .cta-section h2 {
            font-size: 2.3rem;
            margin-bottom: 25px;
            color: var(--lighter);
            letter-spacing: 0.5px;
        }
        
        .cta-section p {
            max-width: 800px;
            margin: 0 auto 35px;
            font-size: 1.2rem;
            color: var(--light);
            line-height: 1.8;
            opacity: 0.9;
        }
        
        .supported-chips {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-top: 30px;
        }
        
        .chip {
            background: rgba(106, 125, 249, 0.12);
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 1.1rem;
            color: var(--primary-light);
            border: 1px solid rgba(106, 125, 249, 0.15);
            transition: var(--transition);
        }
        
        .chip:hover {
            background: rgba(106, 125, 249, 0.2);
            transform: translateY(-3px);
        }
        
        .button {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 14px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 500;
            font-size: 1.1rem;
            margin-top: 20px;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(106, 125, 249, 0.3);
            position: relative;
            overflow: hidden;
            letter-spacing: 0.5px;
        }
        
        .button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(106, 125, 249, 0.4);
        }
        
         /* 页脚样式 - 自适应底部和玻璃效果 */
        footer {
            text-align: center;
            padding: 1px 0 10px;
            margin-top: auto;
            background: var(--footer-bg);
            border-top: 1px solid rgba(106, 125, 249, 0.1);
            font-size: 1rem;
            color: var(--light);
            position: relative;
            z-index: 20;
            backdrop-filter: blur(0.5px); /* 玻璃效果模糊 */
            border-top: 1px solid rgba(255, 255, 255, 0.1); /* 玻璃效果边框 */
        }
        
        footer:before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
            opacity: 0.5;
        }
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .social-icons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin: 20px 0;
            position: relative;
        }
        
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 55px;
            height: 55px;
            border-radius: 50%;
            color: white;
            font-size: 1.5rem;
            transition: var(--transition);
            position: relative;
        }
        
        .social-icons a:hover {
            transform: translateY(-5px);
        }
        
        /* 微信二维码浮层效果 */
        .social-wechat {
            background: var(--wechat-green);
            position: relative;
        }
        
        .social-wechat:hover {
            box-shadow: 0 0 20px rgba(7, 193, 96, 0.5);
        }
        
        .wechat-qr {
            position: absolute;
            bottom: 70px;
            left: 50%;
            transform: translateX(-50%);
            width: 160px;
            background: white;
            border-radius: 10px;
            padding: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
            z-index: 100;
        }
        
        .wechat-qr:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-width: 10px 10px 0;
            border-style: solid;
            border-color: white transparent transparent;
        }
        
        .wechat-qr img {
            width: 100%;
            border-radius: 5px;
        }
        
        .social-wechat:hover .wechat-qr {
            opacity: 1;
            visibility: visible;
            bottom: 80px;
        }
        
        /* QQ图标样式 */
        .social-qq {
            background: var(--qq-blue);
        }
        
        .social-qq:hover {
            box-shadow: 0 0 20px rgba(18, 183, 245, 0.5);
        }
        
        /* 微博图标样式 */
        .social-weibo {
            background: var(--weibo-red);
        }
        
        .social-weibo:hover {
            box-shadow: 0 0 20px rgba(230, 22, 45, 0.5);
        }
        
        /* GitHub图标样式 */
        .social-github {
            background: var(--github-black);
        }
        
        .social-github:hover {
            box-shadow: 0 0 20px rgba(24, 23, 23, 0.5);
        }
        
        /* Instagram图标样式 */
        .social-instagram {
            background: var(--instagram-purple);
        }
        
        .social-instagram:hover {
            box-shadow: 0 0 20px rgba(225, 48, 108, 0.5);
        }
        
        /* YouTube图标样式 */
        .social-youtube {
            background: var(--youtube-red);
        }
        
        .social-youtube:hover {
            box-shadow: 0 0 20px rgba(255, 0, 0, 0.5);
        }

        /* whatsapp图标样式 */
        .social-whatsapp {
            background: var(--whatsapp-green);
        }
        
        .social-whatsapp:hover {
            box-shadow: 0 0 20px rgba(255, 0, 0, 0.5);
        }
        
        .footer-info {
            margin-top: 20px;
        }
        
        .footer-info p {
            margin-bottom: 8px;
        }
        
        .footer-info a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
            margin: 0 10px;
            font-weight: 500;
        }
        
        .footer-info a:hover {
            color: var(--primary-light);
            text-decoration: underline;
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            
            .subtitle {
                font-size: 1.1rem;
            }
            
            .content {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            
            .card {
                padding: 30px 20px;
            }
            
            .cta-section {
                padding: 40px 20px;
            }
            
            .social-icons a {
                width: 45px;
                height: 45px;
                font-size: 1.3rem;
            }
            
            .wechat-qr {
                width: 130px;
                bottom: 65px;
            }
            
            .social-wechat:hover .wechat-qr {
                bottom: 70px;
            }
        }