:root {
            --k8qm-primary: #0056b3;
            --k8qm-accent: #00d4ff;
            --k8qm-dark: #0a192f;
            --k8qm-light: #f8f9fa;
            --k8qm-text: #333;
            --k8qm-text-muted: #666;
            --k8qm-white: #ffffff;
            --k8qm-spacing-unit: 8px;
            --k8qm-container-width: 1400px;
        }

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

        body {
            font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
            background-color: var(--k8qm-white);
            color: var(--k8qm-text);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 导航栏 */
        .k8qm-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .k8qm-nav-container {
            max-width: var(--k8qm-container-width);
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .k8qm-logo {
            min-width: 0;
            flex: 0 0 auto;
        }

        .k8qm-logo img {
            height: 32px;
            width: auto;
            display: block;
        }

        .k8qm-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .k8qm-nav-link {
            text-decoration: none;
            color: var(--k8qm-dark);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 4px;
            position: relative;
            transition: color 0.3s;
        }

        .k8qm-nav-link:hover {
            color: var(--k8qm-primary);
        }

        .k8qm-nav-link.active {
            color: var(--k8qm-primary);
        }

        .k8qm-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--k8qm-primary);
        }

        /* Hero 区块 - 独特非对称布局 */
        .k8qm-hero {
            padding-top: 140px;
            padding-bottom: 96px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 86, 179, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
            overflow: hidden;
            position: relative;
        }

        .k8qm-hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: linear-gradient(135deg, var(--k8qm-primary), var(--k8qm-accent));
            opacity: 0.1;
            border-radius: 50%;
            filter: blur(80px);
        }

        .k8qm-section-container {
            max-width: var(--k8qm-container-width);
            margin: 0 auto;
            padding: 0 24px;
            word-break: break-word;
        }

        .k8qm-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .k8qm-hero-text {
            flex: 1;
            min-width: 320px;
        }

        .k8qm-hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            line-height: 1.1;
            color: var(--k8qm-dark);
            margin-bottom: 24px;
        }

        .k8qm-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.4rem);
            color: var(--k8qm-text-muted);
            margin-bottom: 40px;
            max-width: 700px;
        }

        .k8qm-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 86, 179, 0.1);
            color: var(--k8qm-primary);
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 24px;
        }

        .k8qm-btn-primary {
            display: inline-block;
            padding: 16px 40px;
            background: linear-gradient(135deg, var(--k8qm-primary), #004494);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            box-shadow: 0 10px 20px rgba(0, 86, 179, 0.2);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .k8qm-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0, 86, 179, 0.3);
        }

        /* 性能指标区块 */
        .k8qm-metrics-section {
            padding: 96px 0;
            background-color: var(--k8qm-dark);
            color: var(--k8qm-white);
        }

        .k8qm-metrics-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .k8qm-metric-card {
            flex: 1;
            min-width: 280px;
            padding: 48px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            transition: transform 0.3s;
        }

        .k8qm-metric-card:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.08);
        }

        .k8qm-metric-value {
            font-size: 48px;
            font-weight: 800;
            color: var(--k8qm-accent);
            margin-bottom: 8px;
            display: block;
        }

        .k8qm-metric-name {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 16px;
            display: block;
        }

        .k8qm-metric-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.7;
        }

        /* 垂直行业解决方案 */
        .k8qm-solutions-section {
            padding: 96px 0;
        }

        .k8qm-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .k8qm-section-title {
            font-size: clamp(2rem, 4vw, 3rem);
            margin-bottom: 16px;
            color: var(--k8qm-dark);
        }

        .k8qm-solutions-list {
            display: flex;
            flex-direction: column;
            gap: 64px;
        }

        .k8qm-solution-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .k8qm-solution-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .k8qm-solution-visual {
            flex: 1;
            min-width: 320px;
            height: 300px;
            background: #f0f4f8;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 80px;
            position: relative;
            overflow: hidden;
        }

        .k8qm-solution-visual::before {
            content: 'DATA';
            position: absolute;
            font-weight: 900;
            font-size: 120px;
            opacity: 0.03;
            transform: rotate(-20deg);
        }

        .k8qm-solution-info {
            flex: 1;
            min-width: 320px;
        }

        .k8qm-industry-tag {
            color: var(--k8qm-primary);
            text-transform: uppercase;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
            display: block;
        }

        .k8qm-solution-usecase {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--k8qm-dark);
        }

        .k8qm-solution-impact {
            font-size: 18px;
            color: var(--k8qm-text-muted);
            border-left: 4px solid var(--k8qm-accent);
            padding-left: 20px;
        }

        /* 2025 路线图 */
        .k8qm-roadmap-section {
            padding: 96px 0;
            background-color: var(--k8qm-light);
        }

        .k8qm-roadmap-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 48px;
        }

        .k8qm-roadmap-card {
            flex: 1;
            min-width: 300px;
            background: var(--k8qm-white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            position: relative;
            transition: transform 0.3s;
        }

        .k8qm-roadmap-card:hover {
            transform: scale(1.02);
        }

        .k8qm-roadmap-quarter {
            position: absolute;
            top: 20px;
            right: 20px;
            font-weight: 900;
            font-size: 24px;
            color: rgba(0, 86, 179, 0.1);
        }

        .k8qm-roadmap-milestone {
            font-size: 18px;
            font-weight: 700;
            color: var(--k8qm-primary);
        }

        /* 证言区 */
        .k8qm-testimony-section {
            padding: 96px 0;
        }

        .k8qm-testimony-container {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .k8qm-testimony-item {
            flex: 1;
            min-width: 350px;
            padding: 40px;
            background: #fff;
            border: 1px solid #eee;
            border-radius: 20px;
            position: relative;
        }

        .k8qm-testimony-content {
            font-style: italic;
            font-size: 18px;
            margin-bottom: 24px;
            color: var(--k8qm-text);
        }

        .k8qm-testimony-author {
            font-weight: 700;
            color: var(--k8qm-primary);
        }

        /* 页脚 */
        .k8qm-footer {
            background: var(--k8qm-dark);
            color: var(--k8qm-white);
            padding: 80px 0 40px;
        }

        .k8qm-footer-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 64px;
        }

        .k8qm-footer-brand {
            flex: 1;
            min-width: 250px;
        }

        .k8qm-footer-name {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .k8qm-footer-links {
            flex: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            min-width: 300px;
        }

        .k8qm-footer-col {
            flex: 1;
            min-width: 140px;
        }

        .k8qm-footer-col h4 {
            margin-bottom: 24px;
            font-size: 16px;
            color: var(--k8qm-accent);
        }

        .k8qm-footer-col ul {
            list-style: none;
        }

        .k8qm-footer-col li {
            margin-bottom: 12px;
        }

        .k8qm-footer-col a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.3s;
        }

        .k8qm-footer-col a:hover {
            color: var(--k8qm-white);
        }

        .k8qm-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 40px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .k8qm-nav-menu {
                display: none; /* 简化演示，手机端通常有汉堡菜单 */
            }
            .k8qm-hero {
                padding-top: 100px;
            }
            .k8qm-metric-card {
                padding: 24px;
            }
            .k8qm-solution-item, .k8qm-solution-item:nth-child(even) {
                flex-direction: column;
            }
        }

        /* 动画增强 */
        .k8qm-floating {
            animation: floating 3s ease-in-out infinite;
        }

        @keyframes floating {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }