:root {
            --k8qm-primary: #0056b3;
            --k8qm-secondary: #00a8ff;
            --k8qm-accent: #f39c12;
            --k8qm-dark: #1a1a1a;
            --k8qm-light: #f8f9fa;
            --k8qm-gray: #6c757d;
            --k8qm-white: #ffffff;
            --k8qm-border-radius: 12px;
            --k8qm-transition: all 0.3s ease;
            --k8qm-container-width: 1100px;
        }

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

        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: var(--k8qm-dark);
            background-color: var(--k8qm-white);
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .k8qm-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #eee;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

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

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

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

        .k8qm-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
        }

        .k8qm-menu-item a {
            text-decoration: none;
            color: var(--k8qm-dark);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 6px;
            transition: var(--k8qm-transition);
        }

        .k8qm-menu-item a:hover {
            color: var(--k8qm-primary);
            background: rgba(0, 86, 179, 0.05);
        }

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

        /* Hero 区块 - 独特非对称布局 */
        .k8qm-hero {
            padding: 96px 24px;
            background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
            overflow: hidden;
        }

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

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

        .k8qm-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--k8qm-dark);
            font-weight: 800;
        }

        .k8qm-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--k8qm-gray);
            margin-bottom: 32px;
            max-width: 600px;
        }

        .k8qm-filter-visual {
            flex: 1;
            min-width: 320px;
            background: var(--k8qm-white);
            padding: 32px;
            border-radius: var(--k8qm-border-radius);
            box-shadow: 20px 20px 60px #d9d9d9, -20px -20px 60px #ffffff;
            border: 1px solid rgba(0,0,0,0.05);
        }

        /* 过滤逻辑演示组件 */
        .k8qm-filter-demo-item {
            display: flex;
            align-items: center;
            padding: 12px;
            margin-bottom: 12px;
            border-radius: 8px;
            background: #f1f3f5;
            transition: var(--k8qm-transition);
        }
        .k8qm-filter-demo-item:hover {
            transform: translateX(10px);
        }
        .k8qm-tag {
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-right: 12px;
            color: white;
        }
        .k8qm-tag-include { background: #28a745; }
        .k8qm-tag-exclude { background: #dc3545; }

        /* 性能指标区 */
        .k8qm-stats {
            padding: 64px 24px;
            background: var(--k8qm-dark);
            color: var(--k8qm-white);
        }

        .k8qm-stats-grid {
            max-width: var(--k8qm-container-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
        }

        .k8qm-stat-card {
            padding: 32px;
            border-left: 4px solid var(--k8qm-secondary);
            background: rgba(255,255,255,0.05);
            transition: var(--k8qm-transition);
        }

        .k8qm-stat-card:hover {
            background: rgba(255,255,255,0.1);
        }

        .k8qm-stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--k8qm-secondary);
            margin-bottom: 8px;
        }

        .k8qm-stat-name {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .k8qm-stat-desc {
            font-size: 0.9rem;
            color: #ccc;
            line-height: 1.5;
        }

        /* 行业解决方案区块 */
        .k8qm-solutions {
            padding: 96px 24px;
            max-width: var(--k8qm-container-width);
            margin: 0 auto;
        }

        .k8qm-section-label {
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--k8qm-primary);
            font-weight: 700;
            margin-bottom: 16px;
            display: block;
        }

        .k8qm-solution-row {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            margin-bottom: 64px;
            align-items: center;
        }

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

        .k8qm-solution-text {
            flex: 1;
            min-width: 300px;
        }

        .k8qm-solution-visual {
            flex: 1;
            min-width: 300px;
            height: 300px;
            background: #eee;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(45deg, #f3f3f3, #e0e0e0);
        }

        /* 路线图区块 */
        .k8qm-roadmap-section {
            padding: 80px 24px;
            background: #f8f9fa;
        }

        .k8qm-roadmap-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .k8qm-roadmap-item {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 40px;
            position: relative;
            padding-left: 40px;
        }

        .k8qm-roadmap-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: -40px;
            width: 2px;
            background: var(--k8qm-primary);
        }

        .k8qm-roadmap-dot {
            position: absolute;
            left: -6px;
            top: 0;
            width: 14px;
            height: 14px;
            background: var(--k8qm-primary);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.2);
        }

        .k8qm-roadmap-q {
            font-weight: 800;
            color: var(--k8qm-primary);
            font-size: 1.2rem;
            width: 100%;
            margin-bottom: 8px;
        }

        /* 证言区 */
        .k8qm-testimonials {
            padding: 96px 24px;
            background: var(--k8qm-white);
        }

        .k8qm-testimonial-grid {
            max-width: var(--k8qm-container-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .k8qm-testimonial-card {
            padding: 40px;
            background: var(--k8qm-light);
            border-radius: 20px;
            position: relative;
        }

        .k8qm-quote-icon {
            font-size: 3rem;
            color: #ddd;
            position: absolute;
            top: 20px;
            right: 30px;
            line-height: 1;
        }

        .k8qm-author {
            margin-top: 24px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* 页脚 */
        .k8qm-footer {
            background: #0a0a0a;
            color: #888;
            padding: 64px 24px 32px;
        }

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

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

        .k8qm-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
        }

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

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

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

        .k8qm-footer-col a {
            color: #888;
            text-decoration: none;
            transition: var(--k8qm-transition);
        }

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

        .k8qm-footer-bottom {
            max-width: var(--k8qm-container-width);
            margin: 48px auto 0;
            padding-top: 32px;
            border-top: 1px solid #222;
            text-align: center;
            font-size: 0.85rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .k8qm-nav-container {
                flex-direction: column;
                padding: 12px;
            }
            .k8qm-menu {
                margin-top: 16px;
                justify-content: center;
            }
            .k8qm-hero {
                padding: 48px 24px;
                text-align: center;
            }
            .k8qm-hero-content {
                flex-direction: column;
            }
            .k8qm-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .k8qm-solution-row, .k8qm-solution-row:nth-child(even) {
                flex-direction: column;
            }
        }