:root {
            --wzncpi-primary: #0056b3;
            --wzncpi-secondary: #f8f9fa;
            --wzncpi-accent: #28a745;
            --wzncpi-danger: #dc3545;
            --wzncpi-text: #2c3e50;
            --wzncpi-bg: #ffffff;
            --wzncpi-dark-bg: #1a1a1a;
            --wzncpi-border: #e0e0e0;
            --wzncpi-shadow: 0 4px 20px rgba(0,0,0,0.08);
            --wzncpi-container-width: 1300px;
        }

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

        body {
            font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--wzncpi-text);
            background-color: var(--wzncpi-bg);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* Fluid Typography */
        h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.2; font-weight: 800; margin-bottom: 24px; white-space: normal; }
        h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); margin-bottom: 24px; font-weight: 700; white-space: normal; }
        h3 { font-size: clamp(1.2rem, 2vw, 1.8rem); margin-bottom: 16px; font-weight: 600; white-space: normal; }
        p { font-size: clamp(1rem, 1vw + 0.5rem, 1.125rem); margin-bottom: 16px; word-break: break-word; overflow-wrap: break-word; }

        /* Navigation */
        .wzncpi-header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid var(--wzncpi-border);
            padding: 12px 0;
        }

        .wzncpi-nav-container {
            max-width: var(--wzncpi-container-width);
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

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

        .wzncpi-logo img {
            height: 48px;
            width: auto;
            display: block;
        }

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

        .wzncpi-menu-item a {
            font-weight: 600;
            font-size: 15px;
            color: #555;
            padding: 8px 12px;
            border-radius: 6px;
        }

        .wzncpi-menu-item a:hover {
            color: var(--wzncpi-primary);
            background: rgba(0, 86, 179, 0.05);
        }

        .wzncpi-menu-item.active a {
            color: var(--wzncpi-primary);
            background: rgba(0, 86, 179, 0.1);
        }

        /* Hero Section - Split Layout */
        .wzncpi-hero {
            padding: 160px 0 80px;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ed 100%);
            position: relative;
            overflow: hidden;
        }

        .wzncpi-hero-container {
            max-width: var(--wzncpi-container-width);
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            align-items: center;
            gap: 64px;
            flex-wrap: wrap;
        }

        .wzncpi-hero-content {
            flex: 1;
            min-width: 320px;
        }

        .wzncpi-hero-visual {
            flex: 1;
            min-width: 320px;
            background: #fff;
            padding: 24px;
            border-radius: 20px;
            box-shadow: var(--wzncpi-shadow);
            border: 1px solid rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .wzncpi-sync-sim {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px;
            background: #fdfdfd;
            border: 1px dashed #ccc;
            border-radius: 8px;
        }

        .wzncpi-pane-box {
            width: 45%;
            height: 120px;
            background: #eef2f7;
            border-radius: 4px;
            position: relative;
            overflow: hidden;
        }

        .wzncpi-pane-box::after {
            content: "";
            position: absolute;
            top: 10px; left: 10px; right: 10px; bottom: 10px;
            background: linear-gradient(transparent 10%, #d1d9e6 10%, #d1d9e6 20%, transparent 20%);
            background-size: 100% 20px;
        }

        .wzncpi-sync-arrow {
            font-size: 24px;
            color: var(--wzncpi-primary);
            font-weight: bold;
        }

        /* Logic Section - Grid */
        .wzncpi-section {
            padding: 96px 0;
            max-width: var(--wzncpi-container-width);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .wzncpi-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .wzncpi-card {
            background: var(--wzncpi-bg);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--wzncpi-border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .wzncpi-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--wzncpi-shadow);
            border-color: var(--wzncpi-primary);
        }

        .wzncpi-card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(0, 86, 179, 0.1);
            color: var(--wzncpi-primary);
            font-size: 12px;
            font-weight: 700;
            border-radius: 20px;
            margin-bottom: 16px;
            width: fit-content;
        }

        /* Ecosystem Layers */
        .wzncpi-layer-item {
            margin-bottom: 32px;
            padding: 32px;
            background: #fcfcfc;
            border-left: 4px solid var(--wzncpi-primary);
            border-radius: 0 12px 12px 0;
        }

        .wzncpi-layer-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }

        .wzncpi-feature-pill {
            padding: 6px 16px;
            background: #fff;
            border: 1px solid var(--wzncpi-border);
            border-radius: 8px;
            font-size: 14px;
            color: #666;
        }

        /* Workflow Section */
        .wzncpi-workflow-box {
            background: var(--wzncpi-dark-bg);
            color: #fff;
            padding: 64px;
            border-radius: 24px;
            margin-top: 48px;
        }

        .wzncpi-workflow-step {
            display: flex;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .wzncpi-step-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--wzncpi-primary);
            opacity: 0.8;
        }

        /* Shortcut Table */
        .wzncpi-shortcuts-wrapper {
            background: #f8fafc;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--wzncpi-border);
        }

        .wzncpi-shortcut-row {
            display: flex;
            border-bottom: 1px solid var(--wzncpi-border);
            padding: 16px 24px;
            flex-wrap: wrap;
        }

        .wzncpi-shortcut-row:last-child { border-bottom: none; }

        .wzncpi-key {
            flex: 0 0 180px;
            font-family: monospace;
            font-weight: 700;
            color: var(--wzncpi-primary);
            font-size: 18px;
        }

        .wzncpi-action {
            flex: 1;
            min-width: 200px;
            font-weight: 500;
        }

        /* Footer */
        .wzncpi-footer {
            background: #f4f6f8;
            padding: 80px 0 40px;
            border-top: 1px solid var(--wzncpi-border);
        }

        .wzncpi-footer-container {
            max-width: var(--wzncpi-container-width);
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 48px;
        }

        .wzncpi-footer-brand h4 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--wzncpi-primary);
        }

        .wzncpi-footer-links {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }

        .wzncpi-link-group h5 {
            margin-bottom: 20px;
            font-size: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

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

        .wzncpi-link-group a:hover {
            color: var(--wzncpi-primary);
            padding-left: 4px;
        }

        .wzncpi-copyright {
            text-align: center;
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid #ddd;
            font-size: 14px;
            color: #888;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root { --wzncpi-container-width: 95%; }
            .wzncpi-hero-container { gap: 32px; }
        }

        @media (max-width: 768px) {
            .wzncpi-menu {
                display: none; /* In a real site, implement a mobile burger menu */
            }
            .wzncpi-hero { padding: 120px 0 60px; }
            .wzncpi-hero-content, .wzncpi-hero-visual { flex: 0 0 100%; }
            .wzncpi-workflow-box { padding: 32px; }
            .wzncpi-footer-links { gap: 32px; }
        }

        /* Animations (Safe) */
        .wzncpi-btn {
            display: inline-block;
            padding: 14px 32px;
            background: var(--wzncpi-primary);
            color: #fff;
            border-radius: 8px;
            font-weight: 700;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .wzncpi-btn:hover {
            background: #004494;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(0, 86, 179, 0.3);
            color: #fff;
        }