:root {
            --kz1b-primary: #FF9100;
            --kz1b-primary-dark: #E68200;
            --kz1b-secondary: #0052D9;
            --kz1b-text-dark: #1D1D1F;
            --kz1b-text-light: #86868B;
            --kz1b-bg-light: #F5F5F7;
            --kz1b-white: #FFFFFF;
            --kz1b-glass: rgba(255, 255, 255, 0.8);
            --kz1b-spacing-base: 8px;
            --kz1b-radius: 16px;
            --kz1b-container-width: 1300px;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* 导航栏设计 - 浮动毛玻璃效果 */
        .kz1b-navbar {
            position: fixed;
            top: 24px;
            left: 50%;
            transform: translateX(-50%);
            width: 95%;
            max-width: var(--kz1b-container-width);
            height: 64px;
            background: var(--kz1b-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 32px;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border: 1px solid rgba(255,255,255,0.3);
        }

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

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

        .kz1b-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 12px;
            min-width: 0;
        }

        .kz1b-nav-item a {
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 20px;
            color: var(--kz1b-text-dark);
        }

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

        .kz1b-nav-item.kz1b-active a {
            background: var(--kz1b-primary);
            color: var(--kz1b-white);
        }

        /* Hero 区 - 非对称布局设计 */
        .kz1b-hero {
            padding: 160px 5% 80px;
            background: radial-gradient(circle at 90% 10%, rgba(255, 145, 0, 0.08) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(0, 82, 217, 0.05) 0%, transparent 40%);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            max-width: 100%;
            margin: 0 auto;
        }

        .kz1b-hero-content {
            flex: 1;
            min-width: 320px;
            padding-right: 48px;
            word-break: break-word;
        }

        .kz1b-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -1px;
            color: var(--kz1b-text-dark);
        }

        .kz1b-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--kz1b-text-light);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .kz1b-hero-image-wrap {
            flex: 1.2;
            min-width: 320px;
            position: relative;
        }

        .kz1b-hero-main-img {
            width: 100%;
            border-radius: var(--kz1b-radius);
            box-shadow: 0 40px 80px rgba(0,0,0,0.12);
            transform: perspective(1000px) rotateY(-5deg);
            transition: transform 0.5s ease;
        }

        .kz1b-hero-main-img:hover {
            transform: perspective(1000px) rotateY(0deg);
        }

        .kz1b-btn {
            display: inline-block;
            padding: 16px 40px;
            border-radius: 40px;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: none;
        }

        .kz1b-btn-primary {
            background: var(--kz1b-primary);
            color: var(--kz1b-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);
            background: var(--kz1b-primary-dark);
        }

        /* 行业解决方案区块 */
        .kz1b-solutions {
            padding: 96px 5%;
            background-color: var(--kz1b-bg-light);
        }

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

        .kz1b-section-title {
            font-size: clamp(2rem, 3vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .kz1b-solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            max-width: var(--kz1b-container-width);
            margin: 0 auto;
        }

        .kz1b-solution-card {
            background: var(--kz1b-white);
            padding: 48px;
            border-radius: var(--kz1b-radius);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .kz1b-solution-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

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

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

        .kz1b-tool-item {
            margin-bottom: 16px;
            padding-left: 24px;
            position: relative;
            color: var(--kz1b-text-dark);
            font-weight: 500;
        }

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

        /* 功能特性交错布局 */
        .kz1b-feature-section {
            padding: 96px 5%;
            max-width: var(--kz1b-container-width);
            margin: 0 auto;
        }

        .kz1b-feature-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }

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

        .kz1b-feature-text {
            flex: 1;
            min-width: 300px;
            word-break: break-word;
        }

        .kz1b-feature-image {
            flex: 1.2;
            min-width: 300px;
        }

        .kz1b-feature-image img {
            width: 100%;
            border-radius: var(--kz1b-radius);
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
        }

        .kz1b-feature-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 82, 217, 0.08);
            color: var(--kz1b-secondary);
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .kz1b-feature-h {
            font-size: 2rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        /* 动态内容区块 */
        .kz1b-dynamic-section {
            padding: 80px 5%;
            background: #fff;
            max-width: var(--kz1b-container-width);
            margin: 0 auto;
        }

        /* 页脚设计 */
        .kz1b-footer {
            background: var(--kz1b-text-dark);
            color: var(--kz1b-white);
            padding: 80px 5% 40px;
        }

        .kz1b-footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            max-width: var(--kz1b-container-width);
            margin: 0 auto;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 48px;
        }

        .kz1b-footer-brand h2 {
            font-size: 1.8rem;
            margin-bottom: 16px;
            color: var(--kz1b-primary);
        }

        .kz1b-footer-links h4 {
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

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

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

        .kz1b-footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }

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

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

        /* 响应式调整 */
        @media (max-width: 992px) {
            .kz1b-navbar {
                padding: 0 16px;
            }
            .kz1b-nav-menu {
                display: none; /* 移动端可改为汉堡菜单，此处简化 */
            }
        }

        @media (max-width: 768px) {
            .kz1b-hero {
                padding-top: 120px;
                text-align: center;
            }
            .kz1b-hero-content {
                padding-right: 0;
                margin-bottom: 48px;
            }
            .kz1b-feature-row, .kz1b-feature-row:nth-child(even) {
                flex-direction: column;
                gap: 32px;
            }
        }