:root {
            --kz1b-primary: #FF9100;
            --kz1b-primary-dark: #E68200;
            --kz1b-text-dark: #1D1D1F;
            --kz1b-text-light: #86868B;
            --kz1b-bg-gray: #F5F5F7;
            --kz1b-white: #FFFFFF;
            --kz1b-border: #D2D2D7;
            --kz1b-radius: 16px;
            --kz1b-gap: 8px;
        }

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

        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-white);
            color: var(--kz1b-text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .kz1b-nav-wrapper {
            position: fixed;
            top: 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 {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 0 48px;
            height: 64px;
        }

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

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

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

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

        .kz1b-nav-menu a:hover, .kz1b-nav-menu a.active {
            color: var(--kz1b-primary);
        }

        /* Hero 区域 - 独特视觉 */
        .kz1b-hero {
            padding-top: 120px;
            padding-bottom: 80px;
            background: radial-gradient(circle at 90% 10%, #FFF5E6 0%, #FFFFFF 50%);
            text-align: center;
            overflow: hidden;
        }

        .kz1b-hero-inner {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .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(2rem, 5vw, 3.5rem);
            line-height: 1.1;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
            word-break: keep-all;
        }

        .kz1b-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            color: var(--kz1b-text-light);
            max-width: 700px;
            margin: 0 auto 48px;
            word-break: break-word;
        }

        /* 快捷键核心展示区 */
        .kz1b-shortcut-section {
            padding: 80px 0;
            max-width: 1400px;
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

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

        .kz1b-card {
            background: var(--kz1b-bg-gray);
            border-radius: var(--kz1b-radius);
            padding: 40px;
            transition: transform 0.4s cubic-bezier(0.2, 0, 0.2, 1), box-shadow 0.4s;
            min-width: 0;
            border: 1px solid transparent;
        }

        .kz1b-card:hover {
            transform: translateY(-8px);
            background: var(--kz1b-white);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border-color: var(--kz1b-primary);
        }

        .kz1b-card-title {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .kz1b-shortcut-list {
            list-style: none;
        }

        .kz1b-shortcut-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .kz1b-key-label {
            color: var(--kz1b-text-light);
            font-size: 15px;
        }

        .kz1b-key-combo {
            background: #E8E8ED;
            padding: 4px 10px;
            border-radius: 6px;
            font-family: monospace;
            font-weight: 600;
            font-size: 14px;
            color: var(--kz1b-text-dark);
            box-shadow: 0 2px 0 #BEBECC;
        }

        /* 行业解决方案区块 */
        .kz1b-industry-section {
            background: var(--kz1b-text-dark);
            color: var(--kz1b-white);
            padding: 96px 48px;
            border-radius: 40px;
            margin: 40px;
        }

        .kz1b-industry-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .kz1b-industry-item {
            flex: 1;
            min-width: 300px;
        }

        .kz1b-industry-name {
            font-size: 14px;
            color: var(--kz1b-primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .kz1b-industry-tool {
            font-size: 18px;
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }

        .kz1b-industry-tool::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            background: var(--kz1b-primary);
            border-radius: 50%;
        }

        /* 动态内容区块 */
        .kz1b-dynamic-news {
            padding: 80px 48px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .kz1b-news-header {
            margin-bottom: 48px;
        }

        .kz1b-news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .kz1b-news-item {
            border-left: 4px solid var(--kz1b-primary);
            padding: 24px;
            background: var(--kz1b-bg-gray);
            transition: 0.3s;
            cursor: pointer;
        }

        .kz1b-news-item:hover {
            background: #EEEEF0;
        }

        /* 页脚 */
        .kz1b-footer {
            background: var(--kz1b-bg-gray);
            padding: 80px 48px 48px;
            margin-top: 80px;
        }

        .kz1b-footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

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

        .kz1b-footer-brand h2 {
            font-size: 24px;
            margin-bottom: 16px;
        }

        .kz1b-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            min-width: 0;
        }

        .kz1b-footer-col h4 {
            margin-bottom: 24px;
            font-size: 14px;
            color: var(--kz1b-text-light);
        }

        .kz1b-footer-col ul {
            list-style: none;
        }

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

        .kz1b-footer-col a {
            text-decoration: none;
            color: var(--kz1b-text-dark);
            font-size: 14px;
            transition: color 0.3s;
        }

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

        .kz1b-copyright {
            max-width: 1400px;
            margin: 48px auto 0;
            padding-top: 24px;
            border-top: 1px solid var(--kz1b-border);
            color: var(--kz1b-text-light);
            font-size: 12px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .kz1b-nav-container {
                padding: 0 24px;
                height: auto;
                padding-bottom: 16px;
            }
            .kz1b-nav-menu {
                gap: 12px;
                margin-top: 16px;
            }
            .kz1b-industry-section {
                margin: 20px;
                padding: 48px 24px;
            }
            .kz1b-shortcut-section {
                padding-left: 24px;
                padding-right: 24px;
            }
        }