:root {
            --k8qm-primary: #0052cc;
            --k8qm-secondary: #0747a6;
            --k8qm-accent: #00b8d9;
            --k8qm-bg-dark: #091e42;
            --k8qm-text-main: #172b4d;
            --k8qm-text-light: #6b778c;
            --k8qm-white: #ffffff;
            --k8qm-gray-100: #f4f5f7;
            --k8qm-gap: 8px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--k8qm-text-main);
            background-color: var(--k8qm-white);
            word-break: break-word;
            overflow-x: hidden;
        }

        /* 导航系统 */
        .k8qm-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .k8qm-nav-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .k8qm-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .k8qm-logo img {
            height: 36px;
            width: auto;
        }

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

        .k8qm-nav-item a {
            text-decoration: none;
            color: var(--k8qm-text-main);
            padding: 8px 16px;
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
            display: block;
        }

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

        .k8qm-nav-item.active a {
            color: var(--k8qm-primary);
            position: relative;
        }

        .k8qm-nav-item.active a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--k8qm-primary);
        }

        /* 核心容器 */
        .k8qm-main-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 120px 24px 64px;
        }

        /* Hero 区块 - 独特垂直结构 */
        .k8qm-hero-section {
            text-align: center;
            padding: 48px 0;
            background: radial-gradient(circle at top right, rgba(0, 82, 204, 0.05), transparent);
            border-radius: 32px;
            margin-bottom: 64px;
        }

        .k8qm-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--k8qm-bg-dark);
            word-break: keep-all;
        }

        .k8qm-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--k8qm-text-light);
            max-width: 750px;
            margin: 0 auto 40px;
        }

        /* 视觉指示器 - 取代Emoji */
        .k8qm-status-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: #e3f2fd;
            color: #0d47a1;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        /* 核心功能卡片展示 */
        .k8qm-feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
            margin-bottom: 80px;
        }

        .k8qm-card {
            background: var(--k8qm-white);
            border: 1px solid #ebecf0;
            border-radius: 16px;
            padding: 32px;
            transition: transform 0.3s, box-shadow 0.3s;
            min-width: 0;
        }

        .k8qm-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(9, 30, 66, 0.08);
        }

        .k8qm-card-icon {
            width: 48px;
            height: 48px;
            background: var(--k8qm-primary);
            border-radius: 12px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }

        .k8qm-card h3 {
            margin-bottom: 16px;
            font-size: 20px;
            color: var(--k8qm-bg-dark);
        }

        /* 性能数据展示 */
        .k8qm-stats-banner {
            background: var(--k8qm-bg-dark);
            color: var(--k8qm-white);
            border-radius: 24px;
            padding: 48px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            gap: 32px;
            margin-bottom: 80px;
        }

        .k8qm-stat-item {
            text-align: center;
            min-width: 200px;
            flex: 1;
        }

        .k8qm-stat-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--k8qm-accent);
            display: block;
        }

        .k8qm-stat-label {
            font-size: 14px;
            opacity: 0.8;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* 行业解决方案矩阵 */
        .k8qm-solution-section {
            margin-bottom: 80px;
        }

        .k8qm-section-title {
            text-align: center;
            font-size: 28px;
            margin-bottom: 48px;
        }

        .k8qm-matrix {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .k8qm-matrix-item {
            border-left: 4px solid var(--k8qm-primary);
            background: #f9fafb;
            padding: 24px;
            border-radius: 0 12px 12px 0;
        }

        .k8qm-industry-tag {
            font-size: 12px;
            background: #dfe1e6;
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 12px;
            display: inline-block;
        }

        /* 路线图 */
        .k8qm-roadmap {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 80px;
        }

        .k8qm-road-node {
            flex: 1;
            min-width: 200px;
            padding: 24px;
            background: #fff;
            border: 1px dashed var(--k8qm-primary);
            border-radius: 12px;
        }

        .k8qm-quarter {
            font-weight: 800;
            color: var(--k8qm-primary);
            margin-bottom: 8px;
            display: block;
        }

        /* 证言区 */
        .k8qm-testimonial-slider {
            background: #f4f5f7;
            padding: 48px;
            border-radius: 24px;
            margin-bottom: 80px;
        }

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

        .k8qm-author {
            font-weight: 600;
            color: var(--k8qm-text-light);
        }

        /* 页脚 */
        .k8qm-footer {
            background: var(--k8qm-bg-dark);
            color: var(--k8qm-white);
            padding: 64px 24px;
        }

        .k8qm-footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .k8qm-footer-brand {
            flex: 1;
            min-width: 260px;
        }

        .k8qm-footer-brand h2 {
            font-size: 24px;
            margin-bottom: 16px;
        }

        .k8qm-footer-links {
            flex: 2;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 24px;
            min-width: 300px;
        }

        .k8qm-footer-col h4 {
            margin-bottom: 20px;
            color: var(--k8qm-accent);
        }

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

        .k8qm-footer-col ul li {
            margin-bottom: 10px;
        }

        .k8qm-footer-col a {
            color: #a5adba;
            text-decoration: none;
            font-size: 14px;
        }

        .k8qm-footer-bottom {
            max-width: 1200px;
            margin: 48px auto 0;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 13px;
            color: #7a869a;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .k8qm-nav-container {
                height: auto;
                padding: 16px;
            }
            .k8qm-nav-menu {
                width: 100%;
                margin-top: 16px;
            }
            .k8qm-nav-item {
                width: 50%;
            }
            .k8qm-hero-section {
                padding: 32px 16px;
            }
            .k8qm-stats-banner {
                padding: 24px;
            }
        }