:root {
            --kz1b-primary: #FF9100;
            --kz1b-primary-light: #FFB347;
            --kz1b-dark: #1A1A1B;
            --kz1b-bg: #F8F9FA;
            --kz1b-text: #2D2E2F;
            --kz1b-text-light: #666;
            --kz1b-white: #FFFFFF;
            --kz1b-glass: rgba(255, 255, 255, 0.85);
            --kz1b-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --kz1b-radius: 16px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--kz1b-bg);
            color: var(--kz1b-text);
            line-height: 1.7;
            word-break: break-word;
            overflow-x: hidden;
        }

        /* 导航栏设计 */
        .kz1b-header {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 95%;
            max-width: 1300px;
            z-index: 1000;
            background: var(--kz1b-glass);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: 50px;
            box-shadow: var(--kz1b-shadow);
            padding: 0.5rem 2rem;
        }

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

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

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

        .kz1b-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 1.5rem;
            min-width: 0;
        }

        .kz1b-nav-link {
            text-decoration: none;
            color: var(--kz1b-text);
            font-weight: 500;
            font-size: 0.95rem;
            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 区域 - 独特视觉 */
        .kz1b-hero {
            padding: 180px 5% 100px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 145, 0, 0.08) 0%, transparent 40%),
                        radial-gradient(circle at 10% 80%, rgba(255, 145, 0, 0.05) 0%, transparent 40%);
            text-align: center;
            min-height: 80vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .kz1b-hero-badge {
            background: var(--kz1b-primary);
            color: white;
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            margin-bottom: 2rem;
            display: inline-block;
        }

        .kz1b-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 1.5rem;
            max-width: 1000px;
            word-break: keep-all;
        }

        .kz1b-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--kz1b-text-light);
            max-width: 800px;
            margin-bottom: 3rem;
        }

        .kz1b-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            min-width: 0;
        }

        .kz1b-btn {
            padding: 1.2rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            text-align: center;
        }

        .kz1b-btn-primary {
            background: var(--kz1b-primary);
            color: white;
            box-shadow: 0 10px 20px rgba(255, 145, 0, 0.2);
        }

        .kz1b-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 145, 0, 0.3);
        }

        /* 核心步骤区块 - 独特布局 */
        .kz1b-how-to-section {
            max-width: 1100px;
            margin: 0 auto 100px;
            padding: 0 5%;
        }

        .kz1b-step-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }

        .kz1b-step-card {
            background: var(--kz1b-white);
            padding: 3rem;
            border-radius: var(--kz1b-radius);
            border: 1px solid rgba(0,0,0,0.05);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }

        .kz1b-step-card:hover {
            transform: translateY(-10px);
            border-color: var(--kz1b-primary);
        }

        .kz1b-step-num {
            font-size: 5rem;
            font-weight: 900;
            color: rgba(255, 145, 0, 0.05);
            position: absolute;
            top: -10px;
            right: 10px;
        }

        .kz1b-step-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--kz1b-dark);
            position: relative;
        }

        .kz1b-step-card p {
            color: var(--kz1b-text-light);
        }

        /* 行业方案区块 */
        .kz1b-industry-section {
            background: var(--kz1b-dark);
            color: var(--kz1b-white);
            padding: 100px 5%;
        }

        .kz1b-industry-container {
            max-width: 1300px;
            margin: 0 auto;
        }

        .kz1b-section-header {
            margin-bottom: 4rem;
            max-width: 700px;
        }

        .kz1b-industry-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            min-width: 0;
        }

        .kz1b-industry-item {
            flex: 1;
            min-width: 300px;
            background: rgba(255,255,255,0.05);
            padding: 2.5rem;
            border-radius: var(--kz1b-radius);
            border-left: 4px solid var(--kz1b-primary);
        }

        .kz1b-industry-item h4 {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            color: var(--kz1b-primary-light);
        }

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

        .kz1b-tool-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
            font-size: 0.95rem;
            color: rgba(255,255,255,0.8);
        }

        .kz1b-tool-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 2px;
            background: var(--kz1b-primary);
        }

        /* 动态内容区块 */
        .kz1b-dynamic-section {
            padding: 100px 5%;
            max-width: 1100px;
            margin: 0 auto;
        }

        .kz1b-article-card {
            display: flex;
            flex-wrap: wrap;
            background: var(--kz1b-white);
            border-radius: var(--kz1b-radius);
            margin-bottom: 2rem;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            min-width: 0;
        }

        .kz1b-article-content {
            padding: 2.5rem;
            flex: 1;
            min-width: 300px;
        }

        /* 页脚 */
        .kz1b-footer {
            background: #fff;
            padding: 80px 5% 40px;
            border-top: 1px solid #eee;
        }

        .kz1b-footer-grid {
            max-width: 1300px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 4rem;
        }

        .kz1b-footer-brand h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--kz1b-dark);
        }

        .kz1b-footer-links h5 {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }

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

        .kz1b-footer-links li {
            margin-bottom: 0.8rem;
        }

        .kz1b-footer-links a {
            text-decoration: none;
            color: var(--kz1b-text-light);
            transition: color 0.3s;
        }

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

        .kz1b-copyright {
            margin-top: 60px;
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #eee;
            color: #999;
            font-size: 0.9rem;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .kz1b-header {
                top: 10px;
                padding: 0.5rem 1rem;
                border-radius: 20px;
            }
            .kz1b-nav-menu {
                display: none; /* 简化移动端，实际开发可加汉堡菜单 */
            }
            .kz1b-hero {
                padding-top: 140px;
            }
            .kz1b-industry-grid {
                flex-direction: column;
            }
        }