      :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #93c5fd;
            --secondary: #4f46e5;
            --accent: #00d1b2;
            --dark: #1e293b;
            --darker: #0f172a;
            --light: #f8fafc;
            --gray: #94a3b8;
            --light-gray: #e2e8f0;
            --success: #10b981;
            --glow: 0 0 15px rgba(59, 130, 246, 0.5);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        
        body {
            color: #333;
            line-height: 1.6;
            background-color: #f9fafb;
            overflow-x: hidden;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* Header Styles */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            transition: transform 0.3s;
        }
        
        .logo:hover {
            transform: scale(1.03);
        }
        
        .logo h1 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-left: 10px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .logo-icon {
            color: var(--primary);
            font-size: 28px;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 25px;
            position: relative;
        }
        
        nav ul li a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
            font-size: 16px;
            position: relative;
        }
        
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            transition: width 0.3s;
        }
        
        nav ul li a:hover::after {
            width: 100%;
        }
        
        nav ul li a:hover {
            color: var(--primary);
        }
        
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 6px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            cursor: pointer;
            border: none;
            position: relative;
            overflow: hidden;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            margin-left: 10px;
        }
        
        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
            box-shadow: var(--glow);
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
            padding: 100px 0 120px;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
            animation: rotate 20s linear infinite;
            z-index: 0;
        }
        
        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            z-index: 1;
        }
        
        .hero-text {
            flex: 1;
            max-width: 600px;
            animation: fadeInUp 0.8s ease-out;
        }
        
        .hero-text h2 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--darker);
            background: linear-gradient(to right, var(--darker), var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .hero-text p {
            font-size: 1.2rem;
            color: #475569;
            margin-bottom: 30px;
            max-width: 90%;
        }
        
        .hero-image {
            flex: 1;
            display: flex;
            justify-content: center;
            position: relative;
            animation: fadeIn 1s ease-out;
        }
        
        .hero-image-placeholder {
            width: 100%;
            max-width: 500px;
            height: 350px;
            background: linear-gradient(45deg, #3b82f6, #8b5cf6);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            position: relative;
            overflow: hidden;
            transform-style: preserve-3d;
        }
        
        .hero-image-placeholder::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                to bottom right,
                rgba(255, 255, 255, 0.3) 0%,
                rgba(255, 255, 255, 0) 60%
            );
            transform: rotate(30deg);
            animation: shine 3s infinite;
        }
        
        @keyframes shine {
            0% { transform: translateX(-100%) rotate(30deg); }
            100% { transform: translateX(100%) rotate(30deg); }
        }
        
        .hero-image-placeholder i {
            font-size: 120px;
            color: rgba(255, 255, 255, 0.9);
            animation: float 3s ease-in-out infinite;
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }
        
        .floating-dots {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            overflow: hidden;
            z-index: 0;
        }
        
        .dot {
            position: absolute;
            width: 6px;
            height: 6px;
            background-color: var(--primary-light);
            border-radius: 50%;
            opacity: 0.6;
        }
        
        /* Features Section */
        .section {
            padding: 100px 0;
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            border-radius: 2px;
        }
        
        .section-title p {
            font-size: 1.2rem;
            color: #64748b;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            position: relative;
            z-index: 1;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, transparent 100%);
            opacity: 0;
            transition: opacity 0.3s;
            z-index: -1;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }
        
        .feature-card:hover::before {
            opacity: 1;
        }
        
        .feature-icon {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }
        
        .feature-card:hover .feature-icon {
            background: linear-gradient(to right, var(--secondary), var(--primary));
        }
        
        .feature-icon i {
            font-size: 36px;
        }
        
        .feature-content {
            padding: 30px;
        }
        
        .feature-content h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .feature-content p {
            color: #64748b;
            font-size: 1rem;
        }
        
        /* Scenarios Section */
        .scenarios {
            background-color: #f1f5f9;
            position: relative;
            overflow: hidden;
        }
        
        .scenarios::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
            filter: blur(60px);
            z-index: 0;
        }
        
        .scenario-icons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 50px;
            position: relative;
            z-index: 1;
        }
        
        .scenario-icon {
            text-align: center;
            width: 150px;
            transition: transform 0.3s;
        }
        
        .scenario-icon:hover {
            transform: translateY(-10px);
        }
        
        .scenario-icon-circle {
            width: 100px;
            height: 100px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            color: white;
            font-size: 36px;
            box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
            transition: all 0.3s;
        }
        
        .scenario-icon:hover .scenario-icon-circle {
            transform: scale(1.1);
            box-shadow: 0 15px 30px rgba(37, 99, 235, 0.3);
        }
        
        .scenario-icon h4 {
            font-weight: 600;
            color: var(--dark);
        }
        
        /* Security Section */
        .security-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
            position: relative;
            z-index: 1;
        }
        
        .security-feature {
            display: flex;
            align-items: flex-start;
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
        }
        
        .security-feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        
        .security-feature i {
            font-size: 28px;
            color: var(--primary);
            margin-right: 15px;
            margin-top: 5px;
            flex-shrink: 0;
        }
        
        .security-feature h4 {
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--dark);
        }
        
        .security-feature p {
            color: #64748b;
            font-size: 0.95rem;
        }
        
        /* Gateway Section */
        .gateway-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .gateway-feature {
            background-color: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
            border: 1px solid rgba(0, 0, 0, 0.05);
            position: relative;
            overflow: hidden;
        }
        
        .gateway-feature::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            transition: width 0.3s;
        }
        
        .gateway-feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        
        .gateway-feature:hover::before {
            width: 8px;
        }
        
        .gateway-feature h4 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        
        .gateway-feature h4 i {
            margin-right: 10px;
        }
        
        .gateway-feature p {
            color: #64748b;
        }
        
        /* Protocol Section */
        .protocol {
            background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .protocol::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at top right, rgba(66, 153, 225, 0.2), transparent 70%);
            pointer-events: none;
        }
        
        .protocol-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            z-index: 1;
        }
        
        .protocol-text {
            flex: 1;
            max-width: 600px;
            padding-right: 40px;
            animation: fadeInLeft 0.8s ease-out;
        }
        
        .protocol-text h2 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            background: linear-gradient(to right, white, var(--primary-light));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .protocol-text p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .protocol-image {
            flex: 1;
            display: flex;
            justify-content: center;
            animation: fadeInRight 0.8s ease-out;
        }
        
        .protocol-image-placeholder {
            width: 100%;
            max-width: 400px;
            height: 300px;
            background: linear-gradient(45deg, #4f46e5, #2563eb);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
            position: relative;
            overflow: hidden;
        }
        
        .protocol-image-placeholder::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                to bottom right,
                rgba(255, 255, 255, 0.3) 0%,
                rgba(255, 255, 255, 0) 60%
            );
            transform: rotate(30deg);
            animation: shine 3s infinite;
        }
        
        .protocol-image-placeholder i {
            font-size: 120px;
            color: rgba(255, 255, 255, 0.9);
            animation: pulse 2s infinite;
        }
        
        /* Newsletter Section */
        .newsletter {
            text-align: center;
            padding: 100px 0;
            background-color: #f1f5f9;
            position: relative;
            overflow: hidden;
        }
        
        .newsletter::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
            filter: blur(60px);
            z-index: 0;
        }
        
        .newsletter-content {
            position: relative;
            z-index: 1;
        }
        
        .newsletter h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .newsletter p {
            font-size: 1.1rem;
            color: #64748b;
            max-width: 600px;
            margin: 0 auto 30px;
        }
        
        .subscribe-form {
            max-width: 500px;
            margin: 0 auto;
            display: flex;
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        
        .subscribe-form input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        
        .subscribe-form button {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0 30px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .subscribe-form button:hover {
            background: linear-gradient(to right, var(--secondary), var(--primary));
        }
        
        /* Footer */
        footer {
            background-color: var(--darker);
            color: #cbd5e1;
            padding: 100px 0 40px;
            position: relative;
        }
        
        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-column h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 12px;
            transition: transform 0.3s;
        }
        
        .footer-column ul li:hover {
            transform: translateX(5px);
        }
        
        .footer-column ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
        }
        
        .footer-column ul li a i {
            margin-right: 8px;
            font-size: 14px;
        }
        
        .footer-column ul li a:hover {
            color: white;
        }
        
        .contact-info {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--primary);
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #334155;
            color: white;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        
        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInLeft {
            from {
                opacity: 0;
                transform: translateX(-20px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(20px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        /* Floating particles */
        .particles-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 0;
        }
        
        .particle {
            position: absolute;
            background-color: rgba(59, 130, 246, 0.3);
            border-radius: 50%;
            pointer-events: none;
        }
        
        
        
        
        
/* 在线链接服务仅供平台体验和调试使用，平台不承诺服务的稳定性，企业客户需下载字体包自行发布使用并做好备份。 */
@font-face {
  font-family: 'layui-dpicon';  /* Project id 4967542 */
  src: url('//at.alicdn.com/t/c/font_4967542_ok5huowd3g.woff2?t=1751731194753') format('woff2'),
       url('//at.alicdn.com/t/c/font_4967542_ok5huowd3g.woff?t=1751731194753') format('woff'),
       url('//at.alicdn.com/t/c/font_4967542_ok5huowd3g.ttf?t=1751731194753') format('truetype');
}
.layui-dpicon{
	font-family:layui-dpicon!important;
	font-size:16px;
	font-style:normal;
	-webkit-font-smoothing:antialiased;
	-moz-osx-font-smoothing:grayscale
}