:root {
            --eztx-primary: #D42028;
            --eztx-primary-hover: #B31B22;
            --eztx-dark: #1D1D1F;
            --eztx-text: #333333;
            --eztx-light-gray: #F5F7FA;
            --eztx-white: #FFFFFF;
            --eztx-glass: rgba(255, 255, 255, 0.8);
            --eztx-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --eztx-radius: 16px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--eztx-text);
            line-height: 1.6;
            background-color: var(--eztx-white);
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Layout Container */
        .eztx-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 48px;
        }

        @media (max-width: 768px) {
            .eztx-container {
                padding: 0 24px;
            }
        }

        /* Navigation */
        .eztx-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--eztx-glass);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .eztx-nav-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 48px;
        }

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

        .eztx-logo img {
            height: 32px;
            display: block;
        }

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

        .eztx-menu li a {
            text-decoration: none;
            color: var(--eztx-dark);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
            position: relative;
        }

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

        .eztx-menu li a.eztx-active::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--eztx-primary);
        }

        /* Hero Section - Unique Overlap Design */
        .eztx-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at top right, rgba(212, 32, 40, 0.05), transparent),
                        radial-gradient(circle at bottom left, rgba(0, 102, 204, 0.03), transparent);
            position: relative;
        }

        .eztx-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .eztx-hero-text {
            flex: 1;
            min-width: 400px;
        }

        .eztx-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 700;
            color: var(--eztx-dark);
            margin-bottom: 24px;
            word-break: break-word;
        }

        .eztx-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw, 1.4rem);
            color: #666;
            margin-bottom: 40px;
            max-width: 600px;
            word-break: break-word;
        }

        .eztx-download-card {
            flex: 0 0 450px;
            min-width: 0;
            background: var(--eztx-white);
            padding: 48px;
            border-radius: 32px;
            box-shadow: 0 30px 60px rgba(0,0,0,0.12);
            text-align: center;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .eztx-btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, #FF4B53, var(--eztx-primary));
            color: var(--eztx-white);
            padding: 20px 64px;
            border-radius: 50px;
            font-size: 1.25rem;
            font-weight: 600;
            text-decoration: none;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 10px 20px rgba(212, 32, 40, 0.3);
            margin-bottom: 16px;
        }

        .eztx-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(212, 32, 40, 0.4);
        }

        .eztx-version-info {
            font-size: 14px;
            color: #999;
        }

        /* Collaboration Engine Section - Grid Layout */
        .eztx-section-engine {
            padding: 96px 0;
            background: #fafafa;
        }

        .eztx-engine-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .eztx-engine-card {
            background: var(--eztx-white);
            padding: 40px;
            border-radius: var(--eztx-radius);
            transition: transform 0.3s;
            border-left: 4px solid var(--eztx-primary);
            min-width: 0;
            word-break: break-word;
        }

        .eztx-engine-card:hover {
            transform: translateY(-8px);
        }

        .eztx-engine-tag {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--eztx-primary);
            font-weight: 700;
            margin-bottom: 16px;
            display: block;
        }

        .eztx-engine-name {
            font-size: 1.8rem;
            margin-bottom: 16px;
            color: var(--eztx-dark);
        }

        .eztx-engine-desc {
            color: #666;
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

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

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

        .eztx-metric-label {
            font-size: 12px;
            color: #999;
            display: block;
        }

        .eztx-metric-value {
            font-weight: 700;
            color: var(--eztx-dark);
        }

        /* Features Section - Split Visual */
        .eztx-feature-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 96px 0;
            gap: 64px;
        }

        .eztx-feature-split:nth-child(even) {
            flex-direction: row-reverse;
        }

        .eztx-feature-visual {
            flex: 1;
            min-width: 400px;
            background: linear-gradient(135deg, #f0f2f5 0%, #e6e9ef 100%);
            height: 400px;
            border-radius: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .eztx-feature-visual::before {
            content: "PDF";
            font-size: 12rem;
            font-weight: 900;
            color: rgba(255,255,255,0.4);
        }

        .eztx-feature-text {
            flex: 1;
            min-width: 400px;
        }

        .eztx-feature-text h2 {
            font-size: 2.5rem;
            margin-bottom: 24px;
            color: var(--eztx-dark);
        }

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

        .eztx-feature-list li {
            padding: 12px 0;
            border-bottom: 1px solid #f0f0f0;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
        }

        .eztx-feature-list li::before {
            content: '•';
            color: var(--eztx-primary);
            font-weight: bold;
            margin-right: 12px;
            font-size: 1.5rem;
        }

        /* News Section */
        .eztx-news-section {
            padding: 96px 0;
        }

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

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

        .eztx-news-item {
            text-decoration: none;
            color: inherit;
            display: block;
            min-width: 0;
            background: #fff;
            padding: 24px;
            border-radius: 20px;
            border: 1px solid #eee;
            transition: all 0.3s;
        }

        .eztx-news-item:hover {
            border-color: var(--eztx-primary);
            box-shadow: var(--eztx-shadow);
        }

        .eztx-news-date {
            font-size: 14px;
            color: #999;
            margin-bottom: 12px;
            display: block;
        }

        .eztx-news-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 12px;
            word-break: break-word;
        }

        /* Footer */
        .eztx-footer {
            background: var(--eztx-dark);
            color: rgba(255,255,255,0.6);
            padding: 80px 0 40px;
        }

        .eztx-footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 48px;
            margin-bottom: 40px;
        }

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

        .eztx-footer-brand h3 {
            color: var(--eztx-white);
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .eztx-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            min-width: 0;
        }

        .eztx-footer-col h4 {
            color: var(--eztx-white);
            margin-bottom: 24px;
            font-size: 1rem;
        }

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

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

        .eztx-footer-col ul li a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: color 0.3s;
        }

        .eztx-footer-col ul li a:hover {
            color: var(--eztx-white);
        }

        .eztx-copyright {
            text-align: center;
            font-size: 14px;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .eztx-hero-text {
                min-width: 100%;
                text-align: center;
            }
            .eztx-hero-subtitle {
                margin: 0 auto 40px;
            }
            .eztx-download-card {
                flex: 1;
                min-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .eztx-nav-container {
                height: auto;
                padding: 16px;
            }
            .eztx-menu {
                display: none; /* In a real scenario, use a hamburger menu */
            }
            .eztx-feature-visual, .eztx-feature-text {
                min-width: 100%;
            }
            .eztx-engine-grid {
                grid-template-columns: 1fr;
            }
        }