:root {
            --eztx-primary: #7C4DFF;
            --eztx-secondary: #FF4081;
            --eztx-dark: #1A1A2E;
            --eztx-light: #F8F9FA;
            --eztx-text: #2D3436;
            --eztx-gradient: linear-gradient(135deg, #7C4DFF 0%, #FF4081 100%);
            --eztx-glass: rgba(255, 255, 255, 0.85);
            --eztx-spacing-unit: 8px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            color: var(--eztx-text);
            background-color: #fff;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* --- 导航栏 --- */
        .eztx-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--eztx-glass);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .eztx-nav-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

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

        .eztx-logo img {
            height: 40px;
            width: auto;
        }

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

        .eztx-nav-menu a {
            text-decoration: none;
            color: #444;
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
            position: relative;
            padding: 8px 0;
        }

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

        .eztx-nav-menu a.eztx-active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--eztx-gradient);
            border-radius: 2px;
        }

        /* --- Hero 区 (独特居中悬浮式) --- */
        .eztx-hero {
            padding: 160px 24px 100px;
            background: radial-gradient(circle at top right, rgba(124, 77, 255, 0.1), transparent),
                        radial-gradient(circle at bottom left, rgba(255, 64, 129, 0.1), transparent);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .eztx-hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .eztx-hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(124, 77, 255, 0.1);
            color: var(--eztx-primary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .eztx-hero h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.2;
            font-weight: 800;
            background: var(--eztx-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .eztx-hero p {
            font-size: clamp(1.1rem, 1vw + 0.8rem, 1.4rem);
            color: #666;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .eztx-btn {
            padding: 16px 40px;
            border-radius: 12px;
            font-weight: 600;
            text-decoration: none;
            transition: transform 0.3s, box-shadow 0.3s;
            min-width: 180px;
        }

        .eztx-btn-primary {
            background: var(--eztx-gradient);
            color: white;
            box-shadow: 0 10px 20px rgba(124, 77, 255, 0.3);
        }

        .eztx-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(124, 77, 255, 0.4);
        }

        /* --- 核心引擎区 (Bento Grid) --- */
        .eztx-section {
            padding: 96px 24px;
            max-width: 1300px;
            margin: 0 auto;
        }

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

        .eztx-section-header h2 {
            font-size: clamp(2rem, 3vw, 2.8rem);
            margin-bottom: 16px;
        }

        .eztx-bento-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
        }

        .eztx-bento-item {
            background: #fff;
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: 24px;
            padding: 48px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .eztx-bento-item:hover {
            transform: translateY(-8px);
            border-color: var(--eztx-primary);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

        .eztx-engine-meta {
            margin-bottom: 32px;
        }

        .eztx-engine-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--eztx-dark);
        }

        .eztx-engine-desc {
            font-size: 16px;
            color: #666;
            margin-bottom: 24px;
        }

        .eztx-tech-pill {
            display: inline-block;
            padding: 4px 12px;
            background: #F1F2F6;
            border-radius: 6px;
            font-size: 12px;
            font-family: monospace;
            color: #444;
            margin-bottom: 16px;
        }

        .eztx-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            border-top: 1px solid #eee;
            padding-top: 24px;
        }

        .eztx-metric-box {
            flex: 1;
            min-width: 100px;
        }

        .eztx-metric-val {
            display: block;
            font-size: 20px;
            font-weight: 700;
            color: var(--eztx-primary);
        }

        .eztx-metric-label {
            font-size: 12px;
            color: #999;
            text-transform: uppercase;
        }

        /* --- 协作特性区 (左图右文风格变体) --- */
        .eztx-feature-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            padding: 64px 0;
        }

        .eztx-feature-split.reverse {
            flex-direction: row-reverse;
        }

        .eztx-feature-visual {
            flex: 1;
            min-width: 300px;
            background: var(--eztx-gradient);
            height: 400px;
            border-radius: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            box-shadow: 0 30px 60px rgba(124, 77, 255, 0.2);
        }

        .eztx-feature-visual::before {
            content: "AI Power";
            color: rgba(255,255,255,0.2);
            font-size: 4rem;
            font-weight: 900;
        }

        .eztx-feature-info {
            flex: 1;
            min-width: 300px;
        }

        .eztx-feature-info h3 {
            font-size: 2rem;
            margin-bottom: 24px;
        }

        .eztx-feature-list {
            list-style: none;
        }

        .eztx-feature-list li {
            margin-bottom: 16px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .eztx-feature-list li::before {
            content: "✓";
            color: var(--eztx-secondary);
            font-weight: bold;
        }

        /* --- 动态资讯标记区块 --- */
        .eztx-news-section {
            background: #fdfdfd;
        }

        /* --- 页脚 --- */
        .eztx-footer {
            background: var(--eztx-dark);
            color: rgba(255,255,255,0.7);
            padding: 80px 24px 40px;
        }

        .eztx-footer-grid {
            max-width: 1300px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .eztx-footer-brand h4 {
            color: #fff;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .eztx-footer-links h5 {
            color: #fff;
            margin-bottom: 24px;
            font-size: 16px;
        }

        .eztx-footer-links ul {
            list-style: none;
        }

        .eztx-footer-links li {
            margin-bottom: 12px;
        }

        .eztx-footer-links a {
            color: rgba(255,255,255,0.5);
            text-decoration: none;
            transition: color 0.3s;
        }

        .eztx-footer-links a:hover {
            color: var(--eztx-primary);
        }

        .eztx-footer-bottom {
            max-width: 1300px;
            margin: 0 auto;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            font-size: 13px;
        }

        /* --- 响应式断点 --- */
        @media (max-width: 768px) {
            .eztx-nav-container {
                height: auto;
                padding: 16px;
            }
            .eztx-nav-menu {
                width: 100%;
                justify-content: center;
                gap: 12px;
                padding-top: 16px;
            }
            .eztx-hero {
                padding: 120px 24px 60px;
            }
            .eztx-bento-grid {
                grid-template-columns: 1fr;
            }
            .eztx-feature-split {
                flex-direction: column !important;
            }
            .eztx-feature-visual {
                height: 250px;
                width: 100%;
            }
        }