:root {
            --w87eju-primary: #ff6600;
            --w87eju-primary-dark: #e65c00;
            --w87eju-text: #222222;
            --w87eju-text-light: #666666;
            --w87eju-bg-light: #f8f9fa;
            --w87eju-white: #ffffff;
            --w87eju-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --w87eju-radius: 16px;
            --w87eju-container-max: 1400px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--w87eju-text);
            line-height: 1.8;
            background-color: var(--w87eju-white);
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 布局容器 */
        .w87eju-container {
            max-width: var(--w87eju-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .w87eju-section {
            padding: 96px 0;
            display: flex;
            flex-wrap: wrap;
        }

        /* 导航栏 */
        .w87eju-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .w87eju-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            min-width: 0;
        }

        .w87eju-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .w87eju-logo img {
            height: 40px;
            display: block;
        }

        .w87eju-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 32px;
            min-width: 0;
        }

        .w87eju-menu li a {
            text-decoration: none;
            color: var(--w87eju-text);
            font-weight: 500;
            font-size: 16px;
            transition: color 0.3s ease;
        }

        .w87eju-menu li a:hover,
        .w87eju-menu li a.w87eju-active {
            color: var(--w87eju-primary);
        }

        /* Hero 区域 - 独特非对称布局 */
        .w87eju-hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            background: linear-gradient(135deg, #fff5f0 0%, #ffffff 100%);
            padding-top: 120px;
            overflow: hidden;
        }

        .w87eju-hero-content {
            flex: 1 1 500px;
            min-width: 0;
            padding: 48px 0;
            z-index: 2;
        }

        .w87eju-hero-visual {
            flex: 1 1 600px;
            min-width: 0;
            position: relative;
        }

        .w87eju-hero-title {
            font-size: clamp(2rem, 5vw, 3.8rem);
            line-height: 1.2;
            margin-bottom: 24px;
            font-weight: 800;
            word-break: break-word;
            background: linear-gradient(90deg, #222, var(--w87eju-primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .w87eju-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.4rem);
            color: var(--w87eju-text-light);
            margin-bottom: 48px;
            max-width: 600px;
            word-break: break-word;
        }

        .w87eju-hero-banner-img {
            width: 100%;
            height: auto;
            border-radius: var(--w87eju-radius);
            box-shadow: var(--w87eju-shadow);
            transform: perspective(1000px) rotateY(-5deg);
            transition: transform 0.5s ease;
        }

        .w87eju-hero-banner-img:hover {
            transform: perspective(1000px) rotateY(0deg);
        }

        .w87eju-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 18px 48px;
            background: var(--w87eju-primary);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            font-size: 18px;
            box-shadow: 0 8px 25px rgba(255, 102, 0, 0.3);
            transition: all 0.3s ease;
        }

        .w87eju-btn:hover {
            background: var(--w87eju-primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 102, 0, 0.4);
        }

        /* AI 功能区块 */
        .w87eju-ai-showcase {
            background-color: var(--w87eju-white);
            flex-direction: row-reverse;
            align-items: center;
            gap: 64px;
        }

        .w87eju-showcase-text {
            flex: 1 1 450px;
            min-width: 0;
        }

        .w87eju-showcase-image {
            flex: 1 1 550px;
            min-width: 0;
        }

        .w87eju-showcase-image img {
            width: 100%;
            border-radius: var(--w87eju-radius);
            object-fit: cover;
        }

        .w87eju-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 102, 0, 0.1);
            color: var(--w87eju-primary);
            border-radius: 20px;
            font-size: 14px;
            font-weight: bold;
            margin-bottom: 16px;
        }

        /* 生产力矩阵 - Grid 布局 */
        .w87eju-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
            width: 100%;
            margin-top: 48px;
        }

        .w87eju-matrix-card {
            background: var(--w87eju-bg-light);
            padding: 40px;
            border-radius: var(--w87eju-radius);
            transition: all 0.3s ease;
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .w87eju-matrix-card:hover {
            background: var(--w87eju-white);
            border-color: var(--w87eju-primary);
            box-shadow: var(--w87eju-shadow);
            transform: translateY(-10px);
        }

        .w87eju-matrix-name {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--w87eju-primary);
        }

        .w87eju-matrix-caps {
            list-style: none;
            margin-bottom: 24px;
        }

        .w87eju-matrix-caps li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 8px;
            color: var(--w87eju-text-light);
        }

        .w87eju-matrix-caps li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--w87eju-primary);
            font-weight: bold;
        }

        .w87eju-matrix-usecase {
            margin-top: auto;
            font-size: 14px;
            background: #eee;
            padding: 8px 16px;
            border-radius: 8px;
            color: var(--w87eju-text);
        }

        /* 语音场景 */
        .w87eju-voice-section {
            background: #111;
            color: white;
            border-radius: 32px;
            margin: 48px 24px;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
        }

        .w87eju-voice-text {
            flex: 1 1 400px;
            min-width: 0;
            padding: 80px;
        }

        .w87eju-voice-img-box {
            flex: 1 1 500px;
            min-width: 0;
        }

        .w87eju-voice-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.8;
        }

        /* 动态资讯 */
        .w87eju-news-header {
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 48px;
        }

        .w87eju-news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            width: 100%;
        }

        .w87eju-news-item {
            padding: 24px;
            border-bottom: 1px solid #eee;
            transition: background 0.3s;
        }

        .w87eju-news-item:hover {
            background: var(--w87eju-bg-light);
        }

        /* 页脚 */
        .w87eju-footer {
            background: var(--w87eju-bg-light);
            padding: 80px 0 40px;
            margin-top: 96px;
        }

        .w87eju-footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            margin-bottom: 64px;
        }

        .w87eju-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .w87eju-footer-brand h2 {
            font-size: 28px;
            color: var(--w87eju-primary);
            margin-bottom: 16px;
        }

        .w87eju-footer-links {
            flex: 2 1 600px;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            min-width: 0;
        }

        .w87eju-link-group h4 {
            margin-bottom: 24px;
            font-size: 18px;
        }

        .w87eju-link-group ul {
            list-style: none;
        }

        .w87eju-link-group ul li {
            margin-bottom: 12px;
        }

        .w87eju-link-group ul li a {
            text-decoration: none;
            color: var(--w87eju-text-light);
            transition: color 0.3s;
        }

        .w87eju-link-group ul li a:hover {
            color: var(--w87eju-primary);
        }

        .w87eju-copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            font-size: 14px;
            color: var(--w87eju-text-light);
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .w87eju-section {
                padding: 64px 0;
            }
            .w87eju-nav-wrapper {
                height: auto;
                padding: 16px 0;
            }
            .w87eju-menu {
                display: none; /* 简易处理：手机端隐藏主菜单 */
            }
            .w87eju-hero {
                padding-top: 80px;
                text-align: center;
            }
            .w87eju-hero-content, .w87eju-hero-visual {
                flex: 1 1 100%;
            }
            .w87eju-hero-banner-img {
                transform: none;
            }
            .w87eju-ai-showcase {
                flex-direction: column;
                text-align: center;
            }
            .w87eju-voice-text {
                padding: 40px 24px;
            }
        }