:root {
            --kz1b-primary: #FF9100;
            --kz1b-primary-dark: #E68200;
            --kz1b-text-main: #1D1D1F;
            --kz1b-text-sub: #424245;
            --kz1b-bg-light: #F5F5F7;
            --kz1b-bg-white: #FFFFFF;
            --kz1b-radius-lg: 16px;
            --kz1b-radius-md: 12px;
            --kz1b-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --kz1b-container-width: 95vw;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: "SF Pro SC", "SF Pro Display", "SF Pro Icons", "PingFang SC", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
            color: var(--kz1b-text-main);
            background-color: var(--kz1b-bg-white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Typography */
        h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); line-height: 1.1; font-weight: 700; word-break: keep-all; }
        h2 { font-size: clamp(2rem, 3vw + 0.5rem, 3rem); line-height: 1.2; font-weight: 700; }
        h3 { font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.75rem); line-height: 1.3; }
        p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.2rem); line-height: 1.8; color: var(--kz1b-text-sub); word-break: break-word; }

        /* Navigation */
        .kz1b-nav-wrapper {
            position: fixed;
            top: 24px;
            left: 50%;
            transform: translateX(-50%);
            width: 90%;
            max-width: 1400px;
            z-index: 1000;
            display: flex;
            justify-content: center;
        }

        .kz1b-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 32px;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(0, 0, 0, 0.05);
            border-radius: 100px;
            width: 100%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }

        .kz1b-logo {
            min-width: 0;
            display: flex;
            align-items: center;
        }

        .kz1b-logo img {
            height: 32px;
            width: auto;
        }

        .kz1b-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .kz1b-menu-link {
            text-decoration: none;
            color: var(--kz1b-text-main);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 20px;
            transition: var(--kz1b-transition);
        }

        .kz1b-menu-link:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        .kz1b-menu-link.kz1b-active {
            color: var(--kz1b-primary);
            background: rgba(255, 145, 0, 0.1);
        }

        /* Hero Section - Asymmetric Canvas */
        .kz1b-hero {
            position: relative;
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at top right, rgba(255, 145, 0, 0.08), transparent 40%),
                        radial-gradient(circle at bottom left, rgba(0, 102, 255, 0.05), transparent 40%);
            min-height: 90vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .kz1b-container {
            width: var(--kz1b-container-width);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .kz1b-hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 64px;
            align-items: center;
        }

        .kz1b-hero-content {
            min-width: 0;
        }

        .kz1b-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 145, 0, 0.1);
            color: var(--kz1b-primary);
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .kz1b-hero-subtitle {
            margin-top: 24px;
            max-width: 600px;
        }

        .kz1b-hero-visual {
            position: relative;
            min-width: 0;
        }

        .kz1b-collaboration-card {
            background: var(--kz1b-bg-white);
            border-radius: var(--kz1b-radius-lg);
            padding: 32px;
            box-shadow: 0 40px 80px rgba(0,0,0,0.1);
            transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
            border: 1px solid rgba(0,0,0,0.05);
        }

        /* Simulating avatars for collaboration */
        .kz1b-avatar-stack {
            display: flex;
            margin-bottom: 24px;
        }

        .kz1b-avatar-item {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 3px solid #fff;
            margin-left: -12px;
            background: #eee;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: bold;
        }

        .kz1b-avatar-item:first-child { margin-left: 0; }

        /* Solutions Section - Horizontal Flow */
        .kz1b-section {
            padding: 96px 0;
        }

        .kz1b-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .kz1b-solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 32px;
        }

        .kz1b-card {
            background: var(--kz1b-bg-light);
            border-radius: var(--kz1b-radius-lg);
            padding: 48px;
            transition: var(--kz1b-transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 400px;
            border: 1px solid transparent;
        }

        .kz1b-card:hover {
            background: var(--kz1b-bg-white);
            border-color: var(--kz1b-primary);
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

        .kz1b-card-icon {
            width: 64px;
            height: 64px;
            background: var(--kz1b-bg-white);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 32px;
            font-size: 24px;
        }

        .kz1b-tool-list {
            margin-top: 24px;
            list-style: none;
        }

        .kz1b-tool-item {
            padding: 12px 0;
            border-top: 1px solid rgba(0,0,0,0.05);
            font-size: 15px;
            color: var(--kz1b-text-sub);
        }

        /* Features Section - Split Layout */
        .kz1b-feature-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }

        .kz1b-feature-split:nth-child(even) {
            flex-direction: row-reverse;
        }

        .kz1b-feature-image {
            flex: 1;
            min-width: 300px;
            background: var(--kz1b-bg-light);
            border-radius: var(--kz1b-radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .kz1b-feature-text {
            flex: 1;
            min-width: 300px;
        }

        /* CTA Section */
        .kz1b-cta {
            background: var(--kz1b-text-main);
            color: var(--kz1b-bg-white);
            border-radius: 40px;
            padding: 80px 40px;
            text-align: center;
            margin: 48px auto;
            width: 90vw;
            max-width: 1200px;
        }

        .kz1b-cta h2 { margin-bottom: 24px; }
        .kz1b-cta p { color: rgba(255,255,255,0.7); margin-bottom: 40px; }

        .kz1b-btn {
            display: inline-flex;
            align-items: center;
            padding: 18px 48px;
            background: var(--kz1b-primary);
            color: white;
            text-decoration: none;
            border-radius: 100px;
            font-weight: 600;
            font-size: 18px;
            transition: var(--kz1b-transition);
        }

        .kz1b-btn:hover {
            background: var(--kz1b-primary-dark);
            transform: scale(1.05);
        }

        /* Footer */
        .kz1b-footer {
            background: var(--kz1b-bg-light);
            padding: 80px 0 40px;
            margin-top: 96px;
        }

        .kz1b-footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 64px;
        }

        .kz1b-footer-brand {
            flex: 2;
            min-width: 250px;
        }

        .kz1b-footer-links {
            flex: 3;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 32px;
            min-width: 0;
        }

        .kz1b-footer-brand-name {
            font-size: 24px;
            font-weight: 800;
            color: var(--kz1b-text-main);
            margin-bottom: 16px;
        }

        .kz1b-footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            font-size: 14px;
            color: #999;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .kz1b-hero-grid { grid-template-columns: 1fr; text-align: center; }
            .kz1b-hero-subtitle { margin-left: auto; margin-right: auto; }
            .kz1b-avatar-stack { justify-content: center; }
            .kz1b-hero-visual { display: none; }
        }

        @media (max-width: 768px) {
            .kz1b-nav { border-radius: 24px; padding: 12px; }
            .kz1b-menu { display: none; } /* Simplified mobile nav for demo */
            .kz1b-solutions-grid { grid-template-columns: 1fr; }
            .kz1b-card { padding: 32px; min-height: auto; }
            .kz1b-feature-split { gap: 32px; }
        }

        /* Visual Elements */
        .kz1b-cursor {
            position: absolute;
            padding: 4px 12px;
            border-radius: 4px;
            color: white;
            font-size: 12px;
            font-weight: 600;
            pointer-events: none;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            animation: kz1b-float 3s infinite ease-in-out;
        }

        @keyframes kz1b-float {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(15px, -15px); }
        }

        .kz1b-cursor::before {
            content: '';
            position: absolute;
            top: -6px;
            left: -6px;
            border-style: solid;
            border-width: 10px 10px 0 0;
            border-color: inherit;
            border-right-color: transparent;
            border-bottom-color: transparent;
            border-left-color: transparent;
        }

        /* JSON-LD Script */