:root {
            --kz1b-primary: #FF9100;
            --kz1b-primary-hover: #E68200;
            --kz1b-bg: #FFFFFF;
            --kz1b-bg-soft: #F8F9FA;
            --kz1b-text: #2D2F33;
            --kz1b-text-light: #646A73;
            --kz1b-border: #EFF0F1;
            --kz1b-max-width: 1400px;
            --kz1b-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--kz1b-text);
            background-color: var(--kz1b-bg);
            line-height: 1.6;
            word-break: keep-all;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--kz1b-transition);
        }

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            display: block;
        }

        /* 布局基础 */
        .kz1b-container {
            max-width: var(--kz1b-max-width);
            margin: 0 auto;
            padding: 0 48px;
            width: 100%;
        }

        @media (max-width: 768px) {
            .kz1b-container {
                padding: 0 24px;
            }
        }

        /* 导航栏 */
        .kz1b-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--kz1b-border);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .kz1b-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            min-width: 0;
        }

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

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

        .kz1b-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            min-width: 0;
        }

        .kz1b-menu-item {
            padding: 8px 16px;
            font-size: clamp(0.875rem, 1vw + 0.5rem, 1rem);
            font-weight: 500;
            color: var(--kz1b-text-light);
            border-radius: 8px;
            min-width: 0;
        }

        .kz1b-menu-item:hover {
            color: var(--kz1b-primary);
            background: var(--kz1b-bg-soft);
        }

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

        /* Hero 区块 - 独特居中搜索布局 */
        .kz1b-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at 50% 0%, rgba(255, 145, 0, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
            text-align: center;
        }

        .kz1b-hero-content {
            max-width: 900px;
            margin: 0 auto;
            word-break: break-word;
        }

        .kz1b-hero-title {
            font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
            line-height: 1.2;
            font-weight: 700;
            margin-bottom: 24px;
            color: #1D1D1F;
        }

        .kz1b-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--kz1b-text-light);
            margin-bottom: 48px;
            line-height: 1.8;
        }

        .kz1b-search-box {
            display: flex;
            flex-wrap: wrap;
            background: #FFFFFF;
            border: 2px solid var(--kz1b-border);
            border-radius: 100px;
            padding: 8px;
            max-width: 640px;
            margin: 0 auto;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: var(--kz1b-transition);
        }

        .kz1b-search-box:focus-within {
            border-color: var(--kz1b-primary);
            box-shadow: 0 10px 40px rgba(255, 145, 0, 0.15);
        }

        .kz1b-search-input {
            flex: 1;
            border: none;
            outline: none;
            padding: 0 32px;
            font-size: 1.1rem;
            min-width: 200px;
            border-radius: 100px;
        }

        .kz1b-search-btn {
            background: var(--kz1b-primary);
            color: white;
            border: none;
            padding: 12px 40px;
            border-radius: 100px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--kz1b-transition);
        }

        .kz1b-search-btn:hover {
            background: var(--kz1b-primary-hover);
            transform: scale(1.02);
        }

        /* 模板分类过滤 */
        .kz1b-filter-section {
            padding: 32px 0;
            border-bottom: 1px solid var(--kz1b-border);
            background: #FFF;
            position: sticky;
            top: 80px;
            z-index: 900;
        }

        .kz1b-filter-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            min-width: 0;
        }

        .kz1b-filter-tag {
            padding: 10px 24px;
            border-radius: 50px;
            background: var(--kz1b-bg-soft);
            color: var(--kz1b-text-light);
            font-size: 0.95rem;
            cursor: pointer;
            border: 1px solid transparent;
            transition: var(--kz1b-transition);
            min-width: 0;
        }

        .kz1b-filter-tag:hover, .kz1b-filter-tag.kz1b-active {
            background: #FFF;
            color: var(--kz1b-primary);
            border-color: var(--kz1b-primary);
        }

        /* 模板网格 */
        .kz1b-template-section {
            padding: 64px 0;
        }

        .kz1b-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 32px;
            width: 100%;
        }

        .kz1b-card {
            background: #FFF;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--kz1b-border);
            transition: var(--kz1b-transition);
            position: relative;
        }

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

        .kz1b-card-preview {
            aspect-ratio: 16/9;
            background: #EEE;
            overflow: hidden;
            position: relative;
        }

        .kz1b-card-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0,0,0,0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: var(--kz1b-transition);
        }

        .kz1b-card:hover .kz1b-card-overlay {
            opacity: 1;
        }

        .kz1b-download-btn {
            background: #FFF;
            color: var(--kz1b-text);
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .kz1b-card-info {
            padding: 20px;
            word-break: break-word;
        }

        .kz1b-card-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .kz1b-card-meta {
            display: flex;
            justify-content: space-between;
            color: var(--kz1b-text-light);
            font-size: 0.85rem;
        }

        /* 行业解决方案 - 图文交替 */
        .kz1b-solution-section {
            padding: 96px 0;
            background: var(--kz1b-bg-soft);
        }

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

        .kz1b-section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .kz1b-solution-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 80px;
            min-width: 0;
        }

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

        .kz1b-solution-text {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .kz1b-solution-image {
            flex: 1;
            min-width: 320px;
            background: #FFF;
            padding: 24px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

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

        .kz1b-tool-list {
            margin-top: 24px;
        }

        .kz1b-tool-tag {
            display: inline-block;
            background: #FFF;
            padding: 8px 16px;
            border-radius: 8px;
            margin: 0 8px 8px 0;
            font-size: 0.9rem;
            border: 1px solid var(--kz1b-border);
        }

        /* 资讯区块 */
        .kz1b-dynamic-news {
            padding: 96px 0;
        }

        /* 页脚 */
        .kz1b-footer {
            padding: 80px 0 40px;
            background: #1D1D1F;
            color: #FFF;
        }

        .kz1b-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .kz1b-footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--kz1b-primary);
        }

        .kz1b-footer-links h4 {
            margin-bottom: 24px;
            font-size: 1rem;
            color: rgba(255,255,255,0.9);
        }

        .kz1b-footer-links a {
            display: block;
            margin-bottom: 12px;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }

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

        .kz1b-copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            color: rgba(255,255,255,0.4);
            font-size: 0.85rem;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .kz1b-menu {
                display: none; /* 简化演示，移动端通常使用汉堡菜单 */
            }
        }

        @media (max-width: 768px) {
            .kz1b-hero { padding-top: 120px; }
            .kz1b-solution-item, .kz1b-solution-item:nth-child(even) {
                flex-direction: column;
                gap: 32px;
            }
            .kz1b-solution-text, .kz1b-solution-image {
                min-width: 100%;
            }
            .kz1b-header { height: 64px; }
        }