:root {
            --k8qm-primary: #005bb7;
            --k8qm-secondary: #003d7a;
            --k8qm-accent: #28a745;
            --k8qm-bg-light: #f8f9fa;
            --k8qm-text-dark: #1a1a1a;
            --k8qm-text-muted: #6c757d;
            --k8qm-white: #ffffff;
            --k8qm-glass: rgba(255, 255, 255, 0.9);
            --k8qm-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --k8qm-radius: 12px;
            --k8qm-spacing: 8px;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: var(--k8qm-text-dark);
            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%;
            z-index: 1000;
            background: var(--k8qm-glass);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .k8qm-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

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

        .k8qm-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

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

        .k8qm-menu li {
            min-width: 0;
        }

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

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

        .k8qm-menu a.active {
            color: var(--k8qm-primary);
        }

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

        /* Hero 区 - 非对称实验布局 */
        .k8qm-hero {
            padding: 160px 24px 96px;
            background: linear-gradient(135deg, #f0f4f8 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .k8qm-hero-content {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

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

        .k8qm-hero h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--k8qm-secondary);
            font-weight: 800;
            letter-spacing: -1px;
        }

        .k8qm-hero p {
            font-size: clamp(1.1rem, 1vw + 0.5rem, 1.3rem);
            color: var(--k8qm-text-muted);
            max-width: 600px;
            margin-bottom: 32px;
        }

        .k8qm-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0,91,183,0.1);
            color: var(--k8qm-primary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        /* 性能核心数据区 */
        .k8qm-stats-section {
            padding: 64px 24px;
            background: var(--k8qm-white);
        }

        .k8qm-stats-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .k8qm-stat-card {
            background: var(--k8qm-bg-light);
            padding: 40px;
            border-radius: var(--k8qm-radius);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(0,0,0,0.03);
            min-width: 0;
        }

        .k8qm-stat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--k8qm-shadow);
        }

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

        .k8qm-stat-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--k8qm-text-dark);
        }

        .k8qm-stat-desc {
            font-size: 15px;
            color: var(--k8qm-text-muted);
            line-height: 1.5;
        }

        /* 教程主体 - 步骤布局 */
        .k8qm-tutorial-section {
            padding: 96px 24px;
            background: #001529;
            color: var(--k8qm-white);
        }

        .k8qm-container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

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

        .k8qm-section-title h2 {
            font-size: clamp(2rem, 3vw + 0.5rem, 3rem);
            margin-bottom: 16px;
        }

        .k8qm-step-list {
            display: flex;
            flex-direction: column;
            gap: 48px;
        }

        .k8qm-step-item {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: flex-start;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .k8qm-step-number {
            font-size: 64px;
            font-weight: 900;
            opacity: 0.2;
            line-height: 1;
            flex-shrink: 0;
        }

        .k8qm-step-info {
            flex: 1;
            min-width: 300px;
        }

        .k8qm-step-info h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: #00a2ff;
        }

        /* 行业解决方案矩阵 */
        .k8qm-matrix-section {
            padding: 96px 24px;
            background: var(--k8qm-bg-light);
        }

        .k8qm-matrix-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 24px;
        }

        .k8qm-matrix-card {
            background: var(--k8qm-white);
            padding: 32px;
            border-radius: var(--k8qm-radius);
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            border-left: 4px solid var(--k8qm-primary);
            min-width: 0;
        }

        .k8qm-industry {
            font-weight: 700;
            color: var(--k8qm-primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
            display: block;
        }

        .k8qm-usecase {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .k8qm-impact {
            font-size: 15px;
            color: var(--k8qm-text-muted);
            background: #f0f7ff;
            padding: 16px;
            border-radius: 8px;
        }

        /* 路线图 */
        .k8qm-roadmap-section {
            padding: 96px 24px;
        }

        .k8qm-roadmap-flex {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .k8qm-roadmap-item {
            flex: 1;
            min-width: 240px;
            padding: 24px;
            border: 2px dashed #ddd;
            border-radius: var(--k8qm-radius);
            position: relative;
        }

        .k8qm-quarter {
            font-weight: 800;
            font-size: 24px;
            color: #ddd;
            position: absolute;
            top: 16px;
            right: 16px;
        }

        /* 证言 */
        .k8qm-quote-section {
            padding: 96px 24px;
            background: var(--k8qm-primary);
            color: var(--k8qm-white);
        }

        .k8qm-quote-container {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .k8qm-quote-text {
            font-size: clamp(1.2rem, 2vw + 0.5rem, 1.8rem);
            font-style: italic;
            margin-bottom: 32px;
            line-height: 1.4;
        }

        .k8qm-author {
            font-weight: 600;
            opacity: 0.8;
        }

        /* 页脚 */
        .k8qm-footer {
            background: #111;
            color: #888;
            padding: 64px 24px;
        }

        .k8qm-footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

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

        .k8qm-footer-brand h2 {
            color: var(--k8qm-white);
            margin-bottom: 16px;
        }

        .k8qm-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

        .k8qm-footer-group h4 {
            color: var(--k8qm-white);
            margin-bottom: 24px;
        }

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

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

        .k8qm-footer-group a {
            color: #888;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .k8qm-copyright {
            max-width: 1400px;
            margin: 48px auto 0;
            padding-top: 32px;
            border-top: 1px solid #222;
            text-align: center;
            font-size: 14px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .k8qm-nav-container {
                height: auto;
                padding: 16px;
                flex-direction: column;
                gap: 16px;
            }
            .k8qm-menu {
                justify-content: center;
                gap: 12px;
            }
            .k8qm-hero {
                padding-top: 200px;
                text-align: center;
            }
            .k8qm-hero-content {
                justify-content: center;
            }
            .k8qm-matrix-grid {
                grid-template-columns: 1fr;
            }
        }