:root {
            --w87eju-primary: #ff6b00;
            --w87eju-primary-dark: #e65a00;
            --w87eju-secondary: #2b2d42;
            --w87eju-bg: #f8f9fa;
            --w87eju-text: #333333;
            --w87eju-text-light: #666666;
            --w87eju-white: #ffffff;
            --w87eju-radius: 16px;
            --w87eju-container: 1400px;
            --w87eju-shadow: 0 10px 30px rgba(0,0,0,0.05);
            --w87eju-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

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

        /* 布局基础 */
        .w87eju-container {
            max-width: var(--w87eju-container);
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* 导航栏 */
        .w87eju-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: var(--w87eju-transition);
        }

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

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

        .w87eju-logo img {
            height: 32px;
            width: auto;
            display: block;
        }

        .w87eju-nav-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .w87eju-nav-item a {
            text-decoration: none;
            color: var(--w87eju-text);
            font-weight: 500;
            font-size: 15px;
            transition: var(--w87eju-transition);
            padding: 8px 4px;
            position: relative;
        }

        .w87eju-nav-item a:hover {
            color: var(--w87eju-primary);
        }

        .w87eju-nav-item a.active {
            color: var(--w87eju-primary);
        }

        .w87eju-nav-item a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--w87eju-primary);
        }

        /* Hero 区块 - 独特蜂巢结构 */
        .w87eju-hero {
            padding: 96px 0 64px;
            background: radial-gradient(circle at 90% 10%, rgba(255, 107, 0, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(255, 107, 0, 0.03) 0%, transparent 40%);
            position: relative;
            overflow: hidden;
        }

        .w87eju-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .w87eju-hero-text {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .w87eju-hero-badge {
            display: inline-block;
            background: rgba(255, 107, 0, 0.1);
            color: var(--w87eju-primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .w87eju-hero h1 {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            margin-bottom: 24px;
            font-weight: 800;
            color: var(--w87eju-secondary);
        }

        .w87eju-hero p {
            font-size: clamp(1rem, 1.2vw + 0.5rem, 1.25rem);
            color: var(--w87eju-text-light);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .w87eju-search-box {
            display: flex;
            flex-wrap: wrap;
            background: var(--w87eju-white);
            padding: 8px;
            border-radius: 50px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            max-width: 500px;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .w87eju-search-input {
            flex: 1;
            min-width: 150px;
            border: none;
            padding: 0 24px;
            font-size: 16px;
            outline: none;
            background: transparent;
        }

        .w87eju-search-btn {
            background: var(--w87eju-primary);
            color: var(--w87eju-white);
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--w87eju-transition);
        }

        .w87eju-search-btn:hover {
            background: var(--w87eju-primary-dark);
            transform: translateY(-2px);
        }

        /* 细胞词库网格 */
        .w87eju-ciku-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            padding: 64px 0;
        }

        .w87eju-ciku-card {
            background: var(--w87eju-white);
            border-radius: var(--w87eju-radius);
            padding: 32px;
            transition: var(--w87eju-transition);
            border: 1px solid rgba(0,0,0,0.03);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .w87eju-ciku-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--w87eju-primary);
            transition: var(--w87eju-transition);
        }

        .w87eju-ciku-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .w87eju-ciku-card:hover::before {
            height: 100%;
        }

        .w87eju-card-icon {
            font-size: 32px;
            margin-bottom: 20px;
            width: 60px;
            height: 60px;
            background: #fff5ed;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--w87eju-primary);
        }

        .w87eju-card-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .w87eju-card-desc {
            font-size: 14px;
            color: var(--w87eju-text-light);
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .w87eju-card-stat {
            font-size: 13px;
            color: #999;
            display: flex;
            justify-content: space-between;
            border-top: 1px solid #f0f0f0;
            padding-top: 16px;
        }

        /* 生产力加速矩阵区块 */
        .w87eju-matrix-section {
            padding: 96px 0;
            background-color: var(--w87eju-secondary);
            color: var(--w87eju-white);
            border-radius: 40px;
            margin: 40px 16px;
        }

        .w87eju-section-header {
            text-align: center;
            margin-bottom: 64px;
            padding: 0 24px;
        }

        .w87eju-section-header h2 {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 16px;
        }

        .w87eju-matrix-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: center;
        }

        .w87eju-matrix-item {
            flex: 1;
            min-width: 300px;
            max-width: 400px;
            background: rgba(255, 255, 255, 0.05);
            padding: 48px 32px;
            border-radius: var(--w87eju-radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--w87eju-transition);
        }

        .w87eju-matrix-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--w87eju-primary);
            transform: scale(1.02);
        }

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

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

        .w87eju-matrix-caps li {
            margin-bottom: 12px;
            font-size: 15px;
            opacity: 0.9;
            padding-left: 20px;
            position: relative;
        }

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

        .w87eju-matrix-usecase {
            font-size: 14px;
            background: rgba(0,0,0,0.2);
            padding: 12px 16px;
            border-radius: 8px;
            color: #ccc;
        }

        /* 动态内容区块 */
        .w87eju-dynamic-section {
            padding: 96px 0;
        }

        .w87eju-dynamic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 32px;
        }

        .w87eju-article-card {
            background: var(--w87eju-white);
            border-radius: var(--w87eju-radius);
            padding: 24px;
            box-shadow: var(--w87eju-shadow);
            display: flex;
            flex-direction: column;
            gap: 16px;
            min-width: 0;
        }

        .w87eju-article-tag {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--w87eju-primary);
            font-weight: 700;
        }

        /* 底部 */
        .w87eju-footer {
            background: #1a1a1a;
            color: #999;
            padding: 80px 0 40px;
            margin-top: 80px;
        }

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

        .w87eju-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .w87eju-footer-brand h3 {
            color: var(--w87eju-white);
            font-size: 24px;
            margin-bottom: 20px;
        }

        .w87eju-footer-links {
            flex: 2;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 32px;
            min-width: 300px;
        }

        .w87eju-footer-group h4 {
            color: var(--w87eju-white);
            margin-bottom: 20px;
            font-size: 16px;
        }

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

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

        .w87eju-footer-group a {
            color: #999;
            text-decoration: none;
            font-size: 14px;
            transition: var(--w87eju-transition);
        }

        .w87eju-footer-group a:hover {
            color: var(--w87eju-primary);
        }

        .w87eju-copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
            text-align: center;
            font-size: 13px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .w87eju-container {
                padding: 0 20px;
            }
            .w87eju-nav-list {
                display: none; /* 简化移动端，实际项目中应有汉堡菜单 */
            }
            .w87eju-hero {
                padding: 64px 0;
                text-align: center;
            }
            .w87eju-hero-content {
                justify-content: center;
            }
            .w87eju-search-box {
                margin: 0 auto;
            }
            .w87eju-matrix-section {
                border-radius: 0;
                margin: 40px 0;
            }
        }