:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #0ea5e9;
            --accent: #8b5cf6;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #64748b;
            --light-gray: #e2e8f0;
            --success: #10b981;
            --warning: #f59e0b;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: var(--dark);
            line-height: 1.6;
            background-color: var(--light);
            overflow-x: hidden;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏样式 */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
        }
        
        .logo img {
            width:200px;
            margin-right: 10px;
            color: var(--secondary);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--primary);
            color: white;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }
        
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
        }
        
        /* Hero区域样式 */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .hero-text {
            flex: 1;
            padding-right: 50px;
        }
        
        .hero-image {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .hero p {
            font-size: 1.3rem;
            color: var(--gray);
            margin-bottom: 30px;
            max-width: 600px;
        }
        
        .hero-btns {
            display: flex;
            gap: 15px;
        }
        
        .dashboard-img {
            width: 100%;
            max-width: 550px;
            transform: perspective(1000px) rotateY(-5deg);
            transition: transform 0.5s;
        }
        
        .dashboard-img:hover {
            transform: perspective(1000px) rotateY(0);
        }
        
        /* 功能部分 */
        .features {
            padding: 100px 0;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 70px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .section-title p {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background-color: white;
            border-radius: 12px;
            padding: 35px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
            border: 1px solid var(--light-gray);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(37, 99, 235, 0.1);
            border-color: var(--primary);
        }
        
        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }
        
        .feature-icon i {
            font-size: 30px;
            color: white;
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .feature-card p {
            color: var(--gray);
            margin-bottom: 20px;
        }
        
        /* 价格方案部分 */
        .pricing {
            padding: 100px 0;
            background-color: #f1f5f9;
        }
        
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .pricing-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .pricing-card.popular {
            border: 2px solid var(--accent);
            transform: scale(1.03);
        }
        
        .pricing-card.popular:hover {
            transform: scale(1.06) translateY(-5px);
        }
        
        .pricing-card.popular::before {
            content: "折扣优惠";
            position: absolute;
            top: 15px;
            right: -30px;
            background-color: var(--accent);
            color: white;
            padding: 5px 30px;
            font-size: 0.85rem;
            font-weight: 600;
            transform: rotate(45deg);
        }
        
        .pricing-header {
            padding: 30px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            text-align: center;
        }
        
        .pricing-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .pricing-price {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 5px;
        }
        
        .pricing-period {
            font-size: 1rem;
            opacity: 0.9;
        }
        
        .pricing-features {
            padding: 30px;
        }
        
        .pricing-features ul {
            list-style: none;
            margin-bottom: 30px;
        }
        
        .pricing-features li {
            padding: 10px 0;
            border-bottom: 1px solid var(--light-gray);
            display: flex;
            align-items: center;
        }
        
        .pricing-features li:last-child {
            border-bottom: none;
        }
        
        .pricing-features li i {
            color: var(--success);
            margin-right: 10px;
            font-size: 1.2rem;
        }
        
        .pricing-footer {
            padding: 0 30px 30px;
            text-align: center;
        }
        
        /* 截图展示 */
        .screenshots {
            padding: 80px 0;
            background-color: #f8fafc;
        }
        
        .screenshot-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            margin-top: 50px;
        }
        
        .screenshot-item {
            flex: 0 0 calc(33.333% - 30px);
            max-width: calc(33.333% - 30px);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s;
        }
        
        .screenshot-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .screenshot-item img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* 优势部分 */
        .advantages {
            padding: 100px 0;
            background-color: white;
        }
        
        .advantages-container {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .advantages-content {
            flex: 1;
        }
        
        .advantages-image {
            flex: 1;
            text-align: center;
        }
        
        .advantages h2 {
            font-size: 2.5rem;
            margin-bottom: 30px;
            color: var(--dark);
        }
        
        .advantage-list {
            list-style: none;
        }
        
        .advantage-list li {
            margin-bottom: 25px;
            display: flex;
            align-items: flex-start;
        }
        
        .advantage-list i {
            font-size: 24px;
            color: var(--primary);
            margin-right: 15px;
            margin-top: 5px;
        }
        
        .advantage-text h4 {
            font-size: 1.3rem;
            margin-bottom: 8px;
        }
        
        .advantage-text p {
            color: var(--gray);
        }
        
        /* CTA部分 */
        .cta {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            text-align: center;
        }
        
        .cta h2 {
            font-size: 2.8rem;
            margin-bottom: 20px;
        }
        
        .cta p {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }
        
        .cta .btn {
            background-color: white;
            color: var(--primary);
            font-size: 1.1rem;
            padding: 15px 40px;
            font-weight: 600;
        }
        
        .cta .btn:hover {
            background-color: var(--light);
            transform: scale(1.05);
        }
        
        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 70px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
        }
        
        .footer-column h3::after {
            content: "";
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--primary);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        
        /* Telegram悬浮按钮 */
        .telegram-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0088cc 0%, #34b7f1 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(0, 136, 204, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            animation: pulse 2s infinite;
        }
        
        .telegram-float:hover {
            transform: translateY(-5px) scale(1.1);
            box-shadow: 0 12px 25px rgba(0, 136, 204, 0.6);
        }
        
        .telegram-float i {
            color: white;
            font-size: 32px;
        }
        
        .telegram-popup {
            position: fixed;
            bottom: 100px;
            right: 30px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            padding: 20px;
            width: 300px;
            z-index: 998;
            transform: translateY(20px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
        }
        
        .telegram-popup.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        
        .popup-header {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .popup-header i {
            font-size: 24px;
            color: #0088cc;
            margin-right: 10px;
        }
        
        .popup-header h3 {
            color: var(--dark);
        }
        
        .popup-body p {
            color: var(--gray);
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
        
        .popup-body a {
            display: block;
            background-color: #0088cc;
            color: white;
            text-align: center;
            padding: 10px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 500;
            transition: background-color 0.3s;
        }
        
        .popup-body a:hover {
            background-color: #006a9e;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-text {
                padding-right: 0;
                margin-bottom: 50px;
            }
            
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .hero-btns {
                justify-content: center;
            }
            
            .advantages-container {
                flex-direction: column;
            }
            
            .screenshot-item {
                flex: 0 0 calc(50% - 30px);
                max-width: calc(50% - 30px);
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .hero {
                padding: 130px 0 80px;
            }
            
            .hero h1 {
                font-size: 2.3rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .screenshot-item {
                flex: 0 0 100%;
                max-width: 100%;
            }
        }
        
        @media (max-width: 576px) {
            .hero-btns {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
                margin-bottom: 10px;
            }
            
            .cta h2 {
                font-size: 2.2rem;
            }
            
            .telegram-popup {
                width: 90%;
                right: 5%;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(0, 136, 204, 0.6);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(0, 136, 204, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(0, 136, 204, 0);
            }
        }
        
        .animate {
            animation: fadeInUp 0.8s ease forwards;
        }
        
        .delay-1 {
            animation-delay: 0.1s;
        }
        
        .delay-2 {
            animation-delay: 0.2s;
        }
        
        .delay-3 {
            animation-delay: 0.3s;
        }
        
        .delay-4 {
            animation-delay: 0.4s;
        }