:root {
            --wxmha-primary: #465EFB;
            --wxmha-secondary: #AB64F4;
            --wxmha-accent: #00D2FF;
            --wxmha-text: #1D1D1F;
            --wxmha-text-light: #6E6E73;
            --wxmha-bg: #FFFFFF;
            --wxmha-bg-alt: #F5F5F7;
            --wxmha-glass: rgba(255, 255, 255, 0.7);
            --wxmha-max-width: 1320px;
            --wxmha-radius: 20px;
            --wxmha-gap: 32px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: var(--wxmha-text);
            background-color: var(--wxmha-bg);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 导航栏 */
        .wxmha-header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: var(--wxmha-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .wxmha-nav-container {
            max-width: var(--wxmha-max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            flex-wrap: wrap;
        }

        .wxmha-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .wxmha-logo img {
            height: 32px;
            width: auto;
            display: block;
        }

        .wxmha-nav-list {
            display: flex;
            list-style: none;
            gap: 24px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .wxmha-nav-link {
            text-decoration: none;
            color: var(--wxmha-text);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s;
            padding: 8px 0;
            position: relative;
        }

        .wxmha-nav-link:hover, .wxmha-nav-link.active {
            color: var(--wxmha-primary);
        }

        .wxmha-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--wxmha-primary), var(--wxmha-secondary));
        }

        /* Hero 区 - 独特对角线视觉 */
        .wxmha-hero {
            padding-top: 140px;
            padding-bottom: 96px;
            background: radial-gradient(circle at top right, rgba(171, 100, 244, 0.1), transparent),
                        radial-gradient(circle at bottom left, rgba(70, 94, 251, 0.1), transparent);
            position: relative;
            overflow: hidden;
        }

        .wxmha-container {
            max-width: var(--wxmha-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .wxmha-hero-content {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 64px;
        }

        .wxmha-hero-text {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .wxmha-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(70, 94, 251, 0.1);
            color: var(--wxmha-primary);
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .wxmha-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 700;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #1d1d1f 0%, #465EFB 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .wxmha-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
            color: var(--wxmha-text-light);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .wxmha-hero-visual {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        /* AI 动态卡片视觉模拟 */
        .wxmha-ai-orb {
            width: 100%;
            aspect-ratio: 1;
            background: linear-gradient(135deg, var(--wxmha-primary), var(--wxmha-secondary));
            border-radius: 38% 62% 63% 37% / 41% 44% 56% 59%;
            filter: blur(60px);
            opacity: 0.2;
            position: absolute;
            top: 0;
            animation: morph 10s ease-in-out infinite;
        }

        @keyframes morph {
            0% { border-radius: 38% 62% 63% 37% / 41% 44% 56% 59%; }
            50% { border-radius: 50% 50% 20% 80% / 25% 80% 20% 75%; }
            100% { border-radius: 38% 62% 63% 37% / 41% 44% 56% 59%; }
        }

        .wxmha-ui-mockup {
            position: relative;
            background: white;
            border-radius: 24px;
            box-shadow: 0 24px 80px rgba(0,0,0,0.1);
            padding: 32px;
            border: 1px solid rgba(0,0,0,0.05);
            z-index: 2;
        }

        .wxmha-ai-chat-line {
            height: 12px;
            background: #F5F5F7;
            border-radius: 6px;
            margin-bottom: 16px;
            width: 80%;
        }

        .wxmha-ai-chat-line.short { width: 50%; }
        .wxmha-ai-chat-line.gradient { 
            background: linear-gradient(90deg, var(--wxmha-primary), var(--wxmha-secondary));
            width: 90%;
            opacity: 0.8;
        }

        /* 生态系统网格 */
        .wxmha-ecosystem {
            padding: 96px 0;
            background-color: var(--wxmha-bg-alt);
        }

        .wxmha-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .wxmha-section-title {
            font-size: clamp(2rem, 3vw + 0.5rem, 2.8rem);
            margin-bottom: 16px;
        }

        .wxmha-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .wxmha-card {
            background: var(--wxmha-bg);
            padding: 40px;
            border-radius: var(--wxmha-radius);
            transition: transform 0.4s cubic-bezier(0.2, 0, 0.2, 1), box-shadow 0.4s;
            border: 1px solid rgba(0,0,0,0.03);
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .wxmha-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .wxmha-card-icon {
            width: 56px;
            height: 56px;
            background: var(--wxmha-bg-alt);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 24px;
            color: var(--wxmha-primary);
        }

        .wxmha-card-title {
            font-size: 22px;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .wxmha-card-desc {
            color: var(--wxmha-text-light);
            font-size: 15px;
            margin-bottom: 24px;
            flex-grow: 1;
            word-break: break-word;
        }

        .wxmha-tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .wxmha-tag {
            font-size: 12px;
            padding: 4px 10px;
            background: #f0f0f2;
            border-radius: 4px;
            color: var(--wxmha-text-light);
        }

        /* 特色功能区 - 左右交替 */
        .wxmha-feature-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 80px;
            padding: 80px 0;
        }

        .wxmha-feature-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .wxmha-feature-text {
            flex: 1;
            min-width: 320px;
        }

        .wxmha-feature-img-box {
            flex: 1;
            min-width: 320px;
            background: linear-gradient(135deg, #f8f9ff 0%, #f1f4ff 100%);
            border-radius: 32px;
            padding: 40px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .wxmha-abstract-ui {
            width: 100%;
            background: white;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            padding: 24px;
        }

        /* 底部 CTA */
        .wxmha-cta {
            padding: 120px 0;
            text-align: center;
            background: linear-gradient(135deg, #465EFB 0%, #AB64F4 100%);
            color: white;
            border-radius: 40px;
            margin: 48px 24px;
        }

        .wxmha-cta-title {
            font-size: clamp(2rem, 4vw, 3.5rem);
            margin-bottom: 24px;
            font-weight: 700;
        }

        .wxmha-btn {
            display: inline-block;
            padding: 18px 48px;
            background: white;
            color: var(--wxmha-primary);
            text-decoration: none;
            border-radius: 100px;
            font-weight: 600;
            font-size: 18px;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .wxmha-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        /* 页脚 */
        .wxmha-footer {
            background: #1d1d1f;
            color: #86868b;
            padding: 80px 0 40px;
        }

        .wxmha-footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            margin-bottom: 64px;
        }

        .wxmha-footer-brand {
            flex: 1;
            min-width: 240px;
        }

        .wxmha-brand-text {
            color: white;
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .wxmha-footer-links {
            flex: 2;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 32px;
            min-width: 0;
        }

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

        .wxmha-footer-item {
            margin-bottom: 12px;
        }

        .wxmha-footer-link {
            color: #86868b;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .wxmha-footer-link:hover {
            color: white;
        }

        .wxmha-footer-bottom {
            border-top: 1px solid #333;
            padding-top: 32px;
            text-align: center;
            font-size: 13px;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            :root {
                --wxmha-gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .wxmha-nav-list {
                display: none; /* 简化移动端，实际项目中应有汉堡菜单 */
            }
            .wxmha-hero-content {
                flex-direction: column;
                text-align: center;
            }
            .wxmha-hero-subtitle {
                margin: 0 auto 40px;
            }
            .wxmha-feature-row, .wxmha-feature-row:nth-child(even) {
                flex-direction: column;
                gap: 40px;
            }
        }