:root {
            --kz1b-primary: #FF9100;
            --kz1b-primary-hover: #e58200;
            --kz1b-dark: #1d1d1f;
            --kz1b-light: #f5f5f7;
            --kz1b-text: #333333;
            --kz1b-text-gray: #86868b;
            --kz1b-white: #ffffff;
            --kz1b-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --kz1b-radius: 16px;
            --kz1b-container-width: 1300px;
        }

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

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

        /* Layout Helpers */
        .kz1b-container {
            max-width: var(--kz1b-container-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

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

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

        /* Navigation */
        .kz1b-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .kz1b-nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 64px;
            max-width: var(--kz1b-container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .kz1b-logo {
            flex-shrink: 0;
        }

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

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

        .kz1b-nav-link {
            text-decoration: none;
            color: var(--kz1b-dark);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
            white-space: nowrap;
        }

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

        .kz1b-nav-link.active {
            color: var(--kz1b-primary);
            font-weight: 700;
        }

        /* Hero Section - Centered Core Design */
        .kz1b-hero {
            padding: 160px 0 96px;
            background: radial-gradient(circle at 50% 0%, rgba(255, 145, 0, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
            text-align: center;
        }

        .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-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--kz1b-dark);
            max-width: 900px;
            margin: 0 auto 24px;
            word-break: break-word;
        }

        .kz1b-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
            color: var(--kz1b-text-gray);
            max-width: 700px;
            margin: 0 auto 48px;
            word-break: break-word;
        }

        .kz1b-download-box {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }

        .kz1b-btn-primary {
            background: var(--kz1b-primary);
            color: var(--kz1b-white);
            padding: 18px 48px;
            border-radius: 100px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
            box-shadow: 0 10px 25px rgba(255, 145, 0, 0.3);
        }

        .kz1b-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(255, 145, 0, 0.4);
            background: var(--kz1b-primary-hover);
        }

        .kz1b-version-info {
            font-size: 13px;
            color: var(--kz1b-text-gray);
        }

        /* Industry Solutions - Modern Grid */
        .kz1b-industry-section {
            padding: 96px 0;
            background-color: var(--kz1b-light);
            border-radius: 40px;
            margin: 0 24px;
        }

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

        .kz1b-section-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .kz1b-industry-card {
            background: var(--kz1b-white);
            padding: 40px;
            border-radius: var(--kz1b-radius);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .kz1b-industry-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--kz1b-shadow);
        }

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

        .kz1b-industry-name {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 24px;
        }

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

        .kz1b-tool-item {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--kz1b-text);
        }

        .kz1b-tool-item::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--kz1b-primary);
            font-weight: bold;
        }

        /* Dynamic Content Section */
        .kz1b-news-section {
            padding: 96px 0;
        }

        .kz1b-news-item {
            flex: 1;
            min-width: 300px;
            padding: 24px;
            border-bottom: 1px solid #eee;
            transition: background 0.3s;
        }

        .kz1b-news-item:hover {
            background: rgba(0,0,0,0.01);
        }

        /* Footer */
        .kz1b-footer {
            background: var(--kz1b-dark);
            color: var(--kz1b-white);
            padding: 80px 0 40px;
        }

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

        .kz1b-footer-col {
            flex: 1;
            min-width: 200px;
        }

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

        .kz1b-footer-text {
            color: #a1a1a6;
            font-size: 14px;
            margin-bottom: 24px;
        }

        .kz1b-footer-links {
            list-style: none;
        }

        .kz1b-footer-links li {
            margin-bottom: 12px;
        }

        .kz1b-footer-links a {
            color: #a1a1a6;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .kz1b-footer-links a:hover {
            color: var(--kz1b-white);
        }

        .kz1b-copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 40px;
            text-align: center;
            font-size: 12px;
            color: #6e6e73;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .kz1b-nav-menu {
                display: none; /* Hide on small screens for simplicity in this example */
            }
        }

        @media (max-width: 768px) {
            .kz1b-hero {
                padding: 120px 0 64px;
            }
            .kz1b-industry-section {
                margin: 0 16px;
                padding: 64px 0;
            }
            .kz1b-grid {
                grid-template-columns: 1fr;
            }
        }