:root {
            --kz1b-primary: #FF9100;
            --kz1b-primary-light: #FFF4E5;
            --kz1b-text-dark: #1D1D1F;
            --kz1b-text-gray: #86868B;
            --kz1b-bg-light: #FBFBFD;
            --kz1b-white: #FFFFFF;
            --kz1b-glass: rgba(255, 255, 255, 0.8);
            --kz1b-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --kz1b-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--kz1b-bg-light);
            color: var(--kz1b-text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Typography */
        h1, h2, h3 {
            line-height: 1.2;
            word-break: keep-all;
        }

        .kz1b-fluid-h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); font-weight: 700; }
        .kz1b-fluid-h2 { font-size: clamp(2rem, 3vw + 0.5rem, 3rem); font-weight: 600; }
        .kz1b-fluid-p { font-size: clamp(1rem, 1vw + 0.5rem, 1.25rem); color: var(--kz1b-text-gray); }

        /* Navigation */
        .kz1b-nav-wrapper {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: var(--kz1b-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .kz1b-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 72px;
        }

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

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

        .kz1b-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .kz1b-menu-item a {
            text-decoration: none;
            color: var(--kz1b-text-dark);
            font-size: 14px;
            font-weight: 500;
            transition: var(--kz1b-transition);
            white-space: nowrap;
        }

        .kz1b-menu-item a:hover {
            color: var(--kz1b-primary);
        }

        .kz1b-menu-item a.active {
            color: var(--kz1b-primary);
            position: relative;
        }

        .kz1b-menu-item a.active::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--kz1b-primary);
        }

        /* Hero Section - Asymmetric Design */
        .kz1b-hero {
            padding-top: 144px;
            padding-bottom: 96px;
            max-width: 90vw;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }

        .kz1b-hero-content {
            flex: 1;
            min-width: 320px;
            padding-right: 48px;
        }

        .kz1b-hero-badge {
            display: inline-block;
            padding: 8px 16px;
            background: var(--kz1b-primary-light);
            color: var(--kz1b-primary);
            border-radius: 32px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .kz1b-hero-visual {
            flex: 1;
            min-width: 320px;
            position: relative;
            height: 500px;
            background: linear-gradient(135deg, #FFF 0%, #FEE 100%);
            border-radius: 40px;
            overflow: hidden;
            box-shadow: var(--kz1b-shadow);
        }

        /* Decorative Abstract Shapes for Visual Impact */
        .kz1b-sync-orb {
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, var(--kz1b-primary) 0%, transparent 70%);
            filter: blur(60px);
            opacity: 0.2;
            animation: rotate 20s linear infinite;
        }

        @keyframes rotate {
            from { transform: translate(-20%, -20%) rotate(0deg); }
            to { transform: translate(-20%, -20%) rotate(360deg); }
        }

        .kz1b-hero-btn {
            display: inline-block;
            margin-top: 32px;
            padding: 16px 40px;
            background: var(--kz1b-primary);
            color: var(--kz1b-white);
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            transition: var(--kz1b-transition);
            box-shadow: 0 4px 14px rgba(255, 145, 0, 0.39);
        }

        .kz1b-hero-btn:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 20px rgba(255, 145, 0, 0.45);
        }

        /* Feature Section - Grid Layout */
        .kz1b-section {
            padding: 96px 24px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .kz1b-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
            margin-top: 64px;
        }

        .kz1b-card {
            background: var(--kz1b-white);
            padding: 48px;
            border-radius: 24px;
            transition: var(--kz1b-transition);
            border: 1px solid rgba(0, 0, 0, 0.03);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .kz1b-card:hover {
            transform: translateY(-12px);
            box-shadow: var(--kz1b-shadow);
        }

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

        /* Industry Solutions Section */
        .kz1b-solutions-bg {
            background: var(--kz1b-text-dark);
            color: var(--kz1b-white);
            border-radius: 48px;
            margin: 48px 24px;
            padding: 96px 48px;
        }

        .kz1b-solution-item {
            flex: 1;
            min-width: 280px;
            border-left: 1px solid rgba(255, 255, 255, 0.1);
            padding-left: 32px;
            margin-bottom: 40px;
        }

        .kz1b-solution-tag {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--kz1b-primary);
            margin-bottom: 16px;
            display: block;
        }

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

        .kz1b-tool-list li {
            font-size: 14px;
            color: var(--kz1b-text-gray);
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }

        .kz1b-tool-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--kz1b-primary);
        }

        /* Dynamic Content Section */
        .kz1b-news-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 48px;
            flex-wrap: wrap;
            gap: 24px;
        }

        /* Footer */
        .kz1b-footer {
            background: var(--kz1b-white);
            padding: 96px 24px 48px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }

        .kz1b-footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 64px;
        }

        .kz1b-footer-brand {
            flex: 1;
            min-width: 250px;
        }

        .kz1b-footer-brand h4 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--kz1b-text-dark);
        }

        .kz1b-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            flex: 2;
        }

        .kz1b-link-group h5 {
            margin-bottom: 24px;
            font-size: 16px;
        }

        .kz1b-link-group ul {
            list-style: none;
        }

        .kz1b-link-group ul li {
            margin-bottom: 12px;
        }

        .kz1b-link-group ul li a {
            text-decoration: none;
            color: var(--kz1b-text-gray);
            font-size: 14px;
            transition: var(--kz1b-transition);
        }

        .kz1b-link-group ul li a:hover {
            color: var(--kz1b-primary);
        }

        .kz1b-copyright {
            max-width: 1400px;
            margin: 64px auto 0;
            padding-top: 32px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
            font-size: 13px;
            color: var(--kz1b-text-gray);
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .kz1b-nav-container { height: auto; padding: 16px; }
            .kz1b-menu { gap: 12px; justify-content: center; width: 100%; margin-top: 16px; }
            .kz1b-hero { padding-top: 120px; text-align: center; }
            .kz1b-hero-content { padding-right: 0; margin-bottom: 48px; }
            .kz1b-hero-visual { height: 300px; }
            .kz1b-solutions-bg { padding: 48px 24px; }
            .kz1b-card { padding: 32px; }
        }