:root {
            --wxmha-primary: #D42027;
            --wxmha-primary-hover: #B51B21;
            --wxmha-secondary: #4A90E2;
            --wxmha-text-main: #2D3436;
            --wxmha-text-light: #636E72;
            --wxmha-bg-light: #F9FAFB;
            --wxmha-bg-white: #FFFFFF;
            --wxmha-border-color: #E1E4E8;
            --wxmha-shadow: 0 10px 30px rgba(0,0,0,0.05);
            --wxmha-max-width: 1400px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--wxmha-text-main);
            background-color: var(--wxmha-bg-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        /* 导航栏样式 */
        .wxmha-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--wxmha-border-color);
        }

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

        .wxmha-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

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

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

        .wxmha-nav-menu li {
            min-width: 0;
        }

        .wxmha-nav-link {
            text-decoration: none;
            color: var(--wxmha-text-main);
            font-size: 16px;
            font-weight: 500;
            padding: 8px 4px;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

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

        .wxmha-nav-link.active {
            color: var(--wxmha-primary);
            border-bottom: 2px solid var(--wxmha-primary);
        }

        /* Hero 区块 */
        .wxmha-hero {
            padding: 160px 24px 96px;
            background: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .wxmha-hero::before {
            content: "";
            position: absolute;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 32, 39, 0.05) 0%, transparent 70%);
            top: -200px;
            right: -100px;
            z-index: 0;
        }

        .wxmha-hero-content {
            max-width: 900px;
            position: relative;
            z-index: 1;
            word-break: break-word;
        }

        .wxmha-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 24px;
            color: #1A1A1A;
            letter-spacing: -1px;
            word-break: keep-all;
        }

        .wxmha-hero-subtitle {
            font-size: clamp(1.1rem, 1vw + 0.5rem, 1.5rem);
            color: var(--wxmha-text-light);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        .wxmha-cta-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .wxmha-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            min-width: 180px;
        }

        .wxmha-btn-primary {
            background-color: var(--wxmha-primary);
            color: white;
            box-shadow: 0 10px 20px rgba(212, 32, 39, 0.2);
        }

        .wxmha-btn-primary:hover {
            background-color: var(--wxmha-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 15px 25px rgba(212, 32, 39, 0.3);
        }

        .wxmha-btn-secondary {
            background-color: white;
            color: var(--wxmha-text-main);
            border: 1px solid var(--wxmha-border-color);
        }

        .wxmha-btn-secondary:hover {
            background-color: var(--wxmha-bg-light);
            transform: translateY(-2px);
        }

        /* 核心生态区块 */
        .wxmha-ecosystem {
            padding: 96px 24px;
            max-width: var(--wxmha-max-width);
            margin: 0 auto;
        }

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

        .wxmha-section-tag {
            color: var(--wxmha-primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: block;
            margin-bottom: 16px;
        }

        .wxmha-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .wxmha-card {
            background: var(--wxmha-bg-white);
            border: 1px solid var(--wxmha-border-color);
            border-radius: 24px;
            padding: 40px;
            transition: all 0.4s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
            word-break: break-word;
        }

        .wxmha-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--wxmha-shadow);
            border-color: rgba(212, 32, 39, 0.2);
        }

        .wxmha-card-icon {
            width: 64px;
            height: 64px;
            background: var(--wxmha-bg-light);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 32px;
            color: var(--wxmha-primary);
        }

        .wxmha-card-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .wxmha-card-text {
            color: var(--wxmha-text-light);
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .wxmha-feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .wxmha-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--wxmha-text-main);
            font-weight: 500;
        }

        .wxmha-feature-item::before {
            content: "✓";
            color: #00B894;
            font-weight: bold;
        }

        /* 动态功能展示区 (Bento Style) */
        .wxmha-dynamic-section {
            padding: 96px 24px;
            background-color: var(--wxmha-bg-light);
        }

        .wxmha-bento-grid {
            max-width: var(--wxmha-max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .wxmha-bento-item {
            background: var(--wxmha-bg-white);
            padding: 48px;
            border-radius: 32px;
            min-height: 300px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
            word-break: break-word;
        }

        .wxmha-bento-1 { grid-column: span 8; }
        .wxmha-bento-2 { grid-column: span 4; background-color: #1A1A1A; color: white; }
        .wxmha-bento-3 { grid-column: span 4; }
        .wxmha-bento-4 { grid-column: span 8; background: linear-gradient(45deg, var(--wxmha-primary), #FF5E62); color: white; }

        .wxmha-bento-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .wxmha-bento-desc {
            font-size: 18px;
            opacity: 0.9;
        }

        /* 页脚 */
        .wxmha-footer {
            padding: 80px 24px 40px;
            background-color: #FDFDFD;
            border-top: 1px solid var(--wxmha-border-color);
        }

        .wxmha-footer-content {
            max-width: var(--wxmha-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .wxmha-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .wxmha-footer-name {
            font-size: 24px;
            font-weight: 800;
            color: var(--wxmha-primary);
            margin-bottom: 16px;
        }

        .wxmha-footer-slogan {
            color: var(--wxmha-text-light);
            max-width: 300px;
        }

        .wxmha-footer-links {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }

        .wxmha-footer-column h4 {
            margin-bottom: 24px;
            font-size: 16px;
            font-weight: 700;
        }

        .wxmha-footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .wxmha-footer-column a {
            text-decoration: none;
            color: var(--wxmha-text-light);
            transition: color 0.3s;
        }

        .wxmha-footer-column a:hover {
            color: var(--wxmha-primary);
        }

        .wxmha-copyright {
            max-width: var(--wxmha-max-width);
            margin: 40px auto 0;
            padding-top: 24px;
            border-top: 1px solid var(--wxmha-border-color);
            text-align: center;
            color: var(--wxmha-text-light);
            font-size: 14px;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .wxmha-bento-1, .wxmha-bento-2, .wxmha-bento-3, .wxmha-bento-4 {
                grid-column: span 12;
            }
        }

        @media (max-width: 768px) {
            .wxmha-nav-menu {
                display: none; /* 简化移动端，通常会加汉堡菜单 */
            }
            .wxmha-hero {
                padding-top: 120px;
            }
            .wxmha-grid {
                grid-template-columns: 1fr;
            }
            .wxmha-bento-item {
                padding: 32px;
            }
        }

        /* 装饰元素 */
        .wxmha-badge {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(212, 32, 39, 0.1);
            color: var(--wxmha-primary);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 16px;
        }