:root {
            --wxmha-primary: #D4380D;
            --wxmha-secondary: #1890FF;
            --wxmha-dark: #262626;
            --wxmha-light: #F5F5F5;
            --wxmha-white: #FFFFFF;
            --wxmha-gray: #8C8C8C;
            --wxmha-bg-gradient: linear-gradient(135deg, #FFF1F0 0%, #E6F7FF 100%);
            --wxmha-container-width: 1320px;
            --wxmha-transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--wxmha-dark);
            line-height: 1.7;
            background-color: var(--wxmha-white);
            overflow-x: hidden;
            word-break: keep-all;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--wxmha-transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* --- Navigation --- */
        .wxmha-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

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

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

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

        .wxmha-menu {
            display: flex;
            list-style: none;
            gap: 32px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .wxmha-menu-item a {
            font-size: 15px;
            font-weight: 500;
            color: var(--wxmha-dark);
            padding: 8px 0;
            position: relative;
        }

        .wxmha-menu-item a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--wxmha-primary);
            transition: var(--wxmha-transition);
        }

        .wxmha-menu-item a:hover::after,
        .wxmha-menu-item.active a::after {
            width: 100%;
        }

        .wxmha-menu-item.active a {
            color: var(--wxmha-primary);
        }

        /* --- Hero Section --- */
        .wxmha-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: var(--wxmha-bg-gradient);
            overflow: hidden;
            position: relative;
        }

        .wxmha-hero-inner {
            max-width: var(--wxmha-container-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 64px;
            flex-wrap: wrap;
        }

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

        .wxmha-hero-title {
            font-size: clamp(2.5rem, 4vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(to right, #262626, #D4380D);
            -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-gray);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .wxmha-hero-visual {
            flex: 1.2;
            min-width: 320px;
            position: relative;
        }

        .wxmha-hero-image-box {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 32px 64px rgba(0,0,0,0.1);
            transform: perspective(1000px) rotateY(-5deg);
            transition: var(--wxmha-transition);
        }

        .wxmha-hero-image-box:hover {
            transform: perspective(1000px) rotateY(0deg) scale(1.02);
        }

        /* --- Ecosystem Section --- */
        .wxmha-section {
            padding: 96px 0;
            max-width: var(--wxmha-container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        .wxmha-section-title {
            font-size: clamp(2rem, 3vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .wxmha-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .wxmha-card {
            background: #fff;
            border: 1px solid #f0f0f0;
            border-radius: 20px;
            padding: 40px;
            transition: var(--wxmha-transition);
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .wxmha-card:hover {
            box-shadow: 0 20px 40px rgba(0,0,0,0.06);
            transform: translateY(-8px);
            border-color: var(--wxmha-primary);
        }

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

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

        .wxmha-card-text {
            color: var(--wxmha-gray);
            font-size: 15px;
            margin-bottom: 20px;
            flex-grow: 1;
        }

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

        .wxmha-tag {
            font-size: 12px;
            padding: 4px 12px;
            background: #fdf2f2;
            color: var(--wxmha-primary);
            border-radius: 50px;
            font-weight: 500;
        }

        /* --- Featured Layouts --- */
        .wxmha-feature-row {
            display: flex;
            align-items: center;
            gap: 80px;
            margin-bottom: 96px;
            flex-wrap: wrap;
        }

        .wxmha-feature-row.reverse {
            flex-direction: row-reverse;
        }

        .wxmha-feature-text {
            flex: 1;
            min-width: 300px;
        }

        .wxmha-feature-image {
            flex: 1.2;
            min-width: 300px;
        }

        .wxmha-feature-image img {
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }

        .wxmha-feature-title {
            font-size: 2rem;
            margin-bottom: 24px;
            font-weight: 700;
        }

        /* --- Footer --- */
        .wxmha-footer {
            background: #141414;
            color: rgba(255,255,255,0.8);
            padding: 80px 24px 40px;
        }

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

        .wxmha-footer-brand {
            flex: 1.5;
            min-width: 260px;
        }

        .wxmha-footer-brand-name {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }

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

        .wxmha-footer-col h4 {
            color: #fff;
            margin-bottom: 24px;
            font-size: 16px;
        }

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

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

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

        .wxmha-copyright {
            max-width: var(--wxmha-container-width);
            margin: 64px auto 0;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 14px;
            color: rgba(255,255,255,0.5);
        }

        /* --- Responsive --- */
        @media (max-width: 992px) {
            .wxmha-hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .wxmha-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .wxmha-feature-row {
                gap: 40px;
                text-align: center;
            }
        }

        @media (max-width: 768px) {
            .wxmha-nav-container {
                height: auto;
                padding: 16px 20px;
                justify-content: center;
            }
            .wxmha-menu {
                gap: 16px;
                justify-content: center;
                margin-top: 12px;
            }
            .wxmha-section {
                padding: 64px 20px;
            }
            .wxmha-card {
                padding: 30px;
            }
        }