:root {
            --kz1b-primary: #FF9100;
            --kz1b-primary-light: #FFF4E5;
            --kz1b-secondary: #4C6FFF;
            --kz1b-text-dark: #1D1D1F;
            --kz1b-text-gray: #6E6E73;
            --kz1b-bg-light: #F5F5F7;
            --kz1b-white: #FFFFFF;
            --kz1b-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --kz1b-container-width: 1100px;
        }

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

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

        /* Typography */
        h1, h2, h3 {
            line-height: 1.2;
            margin-bottom: 16px;
            font-weight: 700;
        }

        p {
            margin-bottom: 24px;
            word-break: break-word;
            overflow-wrap: break-word;
            line-height: 1.8;
            color: var(--kz1b-text-gray);
        }

        /* Layout Helpers */
        .kz1b-container {
            max-width: var(--kz1b-container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .kz1b-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .kz1b-flex-item {
            min-width: 0;
        }

        /* Navigation */
        .kz1b-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .kz1b-nav-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
            height: 64px;
        }

        .kz1b-logo img {
            height: 32px;
            display: block;
        }

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

        .kz1b-menu-link {
            text-decoration: none;
            color: var(--kz1b-text-dark);
            font-size: 14px;
            font-weight: 500;
            transition: var(--kz1b-transition);
        }

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

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

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

        /* Hero Portal Section */
        .kz1b-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(circle at top right, rgba(255, 145, 0, 0.08), transparent),
                        radial-gradient(circle at bottom left, rgba(76, 111, 255, 0.05), transparent);
            text-align: center;
        }

        .kz1b-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--kz1b-primary-light);
            color: var(--kz1b-primary);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .kz1b-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            margin-bottom: 24px;
            background: linear-gradient(135deg, #1D1D1F 0%, #434343 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .kz1b-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            max-width: 800px;
            margin: 0 auto 48px;
        }

        /* Application Portal Card */
        .kz1b-apply-portal {
            background: var(--kz1b-white);
            border-radius: 32px;
            padding: 48px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            max-width: 900px;
            margin: 0 auto;
            text-align: left;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .kz1b-portal-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .kz1b-portal-info {
            flex: 1;
            min-width: 300px;
        }

        .kz1b-portal-action {
            flex: 0 0 300px;
            min-width: 0;
            background: var(--kz1b-bg-light);
            padding: 32px;
            border-radius: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .kz1b-btn-apply {
            display: block;
            width: 100%;
            padding: 16px 32px;
            background: var(--kz1b-primary);
            color: var(--kz1b-white);
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            text-align: center;
            transition: var(--kz1b-transition);
            box-shadow: 0 4px 12px rgba(255, 145, 0, 0.3);
        }

        .kz1b-btn-apply:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 145, 0, 0.4);
        }

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

        .kz1b-section-title {
            text-align: center;
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            margin-bottom: 64px;
        }

        .kz1b-solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .kz1b-solution-card {
            background: var(--kz1b-white);
            padding: 40px;
            border-radius: 24px;
            transition: var(--kz1b-transition);
            border: 1px solid rgba(0,0,0,0.02);
            position: relative;
            overflow: hidden;
        }

        .kz1b-solution-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .kz1b-solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--kz1b-primary);
            opacity: 0;
            transition: var(--kz1b-transition);
        }

        .kz1b-solution-card:hover::before {
            opacity: 1;
        }

        .kz1b-industry-tag {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--kz1b-primary);
            font-weight: 700;
            margin-bottom: 16px;
            display: block;
        }

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

        .kz1b-tool-item {
            font-size: 14px;
            color: var(--kz1b-text-gray);
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
        }

        .kz1b-tool-item::before {
            content: '✦';
            color: var(--kz1b-primary);
            margin-right: 8px;
            font-size: 12px;
        }

        /* News Section */
        .kz1b-news-section {
            background: #fff;
            padding: 80px 0;
        }

        .kz1b-news-item {
            flex: 1;
            min-width: 280px;
            padding: 24px;
            border-bottom: 1px solid #eee;
        }

        /* Footer */
        .kz1b-footer {
            background: var(--kz1b-text-dark);
            color: rgba(255,255,255,0.8);
            padding: 80px 0 40px;
        }

        .kz1b-footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            margin-bottom: 64px;
        }

        .kz1b-footer-brand {
            flex: 0 0 300px;
            min-width: 0;
        }

        .kz1b-footer-title {
            color: var(--kz1b-white);
            font-size: 20px;
            margin-bottom: 24px;
        }

        .kz1b-footer-links {
            flex: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }

        .kz1b-footer-column {
            min-width: 150px;
        }

        .kz1b-footer-column h4 {
            color: var(--kz1b-white);
            margin-bottom: 20px;
            font-size: 14px;
        }

        .kz1b-footer-column a {
            display: block;
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            margin-bottom: 12px;
            font-size: 14px;
            transition: var(--kz1b-transition);
        }

        .kz1b-footer-column a:hover {
            color: var(--kz1b-primary);
        }

        .kz1b-footer-bottom {
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 12px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .kz1b-nav-container {
                padding: 0 20px;
                height: auto;
                padding-bottom: 16px;
            }
            .kz1b-menu {
                width: 100%;
                gap: 12px;
                justify-content: center;
                margin-top: 16px;
            }
            .kz1b-hero {
                padding-top: 120px;
            }
            .kz1b-apply-portal {
                padding: 24px;
                border-radius: 20px;
            }
            .kz1b-portal-action {
                flex: 1 1 100%;
            }
        }