/* CSS变量定义 */
        :root {
            --primary-color: #0a2540;
            --secondary-color: #635bff;
            --accent-color: #00d4ff;
            --gold-color: #d4af37;
            --dark-bg: #0f172a;
            --light-bg: #f8fafc;
            --card-bg: #ffffff;
            --text-dark: #1e293b;
            --text-light: #64748b;
            --gradient-primary: linear-gradient(135deg, #0a2540 0%, #635bff 100%);
            --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #635bff 100%);
            --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f7ef8a 100%);
            --border-radius: 16px;
            --box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            --box-shadow-hover: 0 30px 60px rgba(0, 0, 0, 0.12);
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
        }

        /* 重置和基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Montserrat', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 100px 0;
        }

        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
        }

        p {
            color: var(--text-light);
        }

        /* 装饰元素 */
        .accent-line {
            width: 60px;
            height: 4px;
            background: var(--gradient-accent);
            margin: 20px 0 30px;
            border-radius: 2px;
        }

        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            z-index: 1000;
            padding: 20px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--gradient-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            font-weight: 700;
        }

        .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary-color);
            letter-spacing: -0.5px;
        }

        .logo-text span {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            gap: 40px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            font-size: 15px;
            position: relative;
            transition: var(--transition);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-accent);
            transition: var(--transition);
        }

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

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

        .cta-button {
            background: var(--gradient-primary);
            color: white;
            border: none;
            padding: 16px 32px;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: var(--box-shadow-hover);
        }

        /* Hero区域 */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(135deg, #0a2540 0%, #1e3a8a 100%);
            clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
        }

        .hero-content {
            max-width: 600px;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(99, 91, 255, 0.1);
            color: var(--secondary-color);
            padding: 12px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 30px;
            border: 1px solid rgba(99, 91, 255, 0.2);
        }

        .hero h1 {
            font-size: 60px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.1;
        }

        .hero h1 span {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 18px;
            color: var(--text-dark);
            margin-bottom: 40px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 60px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary-color);
            display: block;
            line-height: 1;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
            margin-top: 8px;
        }

        /* 合作伙伴 */
        .partners {
            padding: 60px 0;
            background: var(--light-bg);
        }

        .partners-title {
            text-align: center;
            font-size: 16px;
            color: var(--text-light);
            margin-bottom: 40px;
            font-weight: 600;
        }

        .partners-grid {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 40px;
        }

        .partner-logo {
            opacity: 0.7;
            transition: var(--transition);
        }

        .partner-logo:hover {
            opacity: 1;
        }

        /* 服务特色 */
        .features {
            background: var(--card-bg);
        }

        .section-header {
            text-align: center;
            margin-bottom: 80px;
        }

        .section-header h2 {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .section-header p {
            font-size: 18px;
            max-width: 600px;
            margin: 0 auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }

        .feature-card {
            background: var(--card-bg);
            padding: 50px 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--box-shadow-hover);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            background: var(--gradient-primary);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 28px;
            margin-bottom: 30px;
        }

        .feature-card h3 {
            font-size: 22px;
            margin-bottom: 20px;
        }

        /* 案例展示 */
        .case-studies {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: white;
        }

        .case-studies .section-header h2,
        .case-studies .section-header p {
            color: white;
        }

        .case-studies .section-header p {
            opacity: 0.8;
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-color);
        }

        .case-image {
            height: 200px;
            background: linear-gradient(135deg, #00d4ff, #635bff);
            position: relative;
            overflow: hidden;
        }

        .case-content {
            padding: 30px;
        }

        .case-content h4 {
            font-size: 20px;
            margin-bottom: 15px;
        }

        .case-result {
            display: inline-block;
            background: rgba(0, 212, 255, 0.1);
            color: var(--accent-color);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-top: 20px;
        }

        /* 流程说明 */
        .process {
            background: var(--light-bg);
        }

        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
            counter-reset: step;
        }

        .process-step {
            flex: 1;
            min-width: 250px;
            text-align: center;
            position: relative;
        }

        .process-step::before {
            counter-increment: step;
            content: counter(step);
            width: 60px;
            height: 60px;
            background: var(--gradient-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            margin: 0 auto 30px;
        }

        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 30px;
            right: -15px;
            width: 30px;
            height: 2px;
            background: var(--gradient-accent);
        }

        .process-step h4 {
            font-size: 20px;
            margin-bottom: 15px;
        }

        /* CTA区域 */
        .cta-section {
            background: var(--gradient-primary);
            color: white;
            text-align: center;
            padding: 100px 0;
            border-radius: 30px;
            margin: 100px 24px;
        }

        .cta-section h2 {
            font-size: 42px;
            margin-bottom: 20px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 18px;
            max-width: 600px;
            margin: 0 auto 40px;
        }

        .cta-button-white {
            background: white;
            color: var(--primary-color);
            padding: 18px 40px;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 16px;
            text-decoration: none;
            display: inline-block;
            transition: var(--transition);
        }

        .cta-button-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        /* 底部 */
        footer {
            background: var(--dark-bg);
            color: white;
            padding: 80px 0 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 60px;
            margin-bottom: 60px;
        }

        .footer-col h4 {
            font-size: 18px;
            margin-bottom: 25px;
            color: white;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }

        .contact-info p {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 15px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .hero::before {
                width: 40%;
            }
            
            .hero h1 {
                font-size: 48px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .hero {
                text-align: center;
            }
            
            .hero::before {
                display: none;
            }
            
            .hero-content {
                max-width: 100%;
            }
            
            .hero-stats {
                justify-content: center;
                flex-wrap: wrap;
            }
            
            .section-header h2 {
                font-size: 36px;
            }
            
            .cta-section {
                margin: 60px 20px;
                padding: 60px 20px;
            }
            
            .process-step:not(:last-child)::after {
                display: none;
            }
            
            .process-steps {
                flex-direction: column;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 36px;
            }
            
            .section-header h2 {
                font-size: 30px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
        }