:root {
            --k8qm-primary: #0062ff;
            --k8qm-secondary: #00d2ff;
            --k8qm-dark: #0f172a;
            --k8qm-light: #f8fafc;
            --k8qm-accent: #38bdf8;
            --k8qm-border: rgba(255, 255, 255, 0.1);
            --k8qm-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
            --k8qm-container: 1100px;
        }

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

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

        /* 导航栏设计 */
        .k8qm-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 23, 42, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--k8qm-border);
        }

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

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

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

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

        .k8qm-nav-link {
            text-decoration: none;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            padding: 4px 0;
        }

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

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

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

        /* Hero 区设计 */
        .k8qm-hero {
            padding: 160px 24px 96px;
            text-align: center;
            background: radial-gradient(circle at top right, rgba(0, 98, 255, 0.15), transparent),
                        radial-gradient(circle at bottom left, rgba(0, 210, 255, 0.1), transparent);
            position: relative;
        }

        .k8qm-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: 100px;
            color: var(--k8qm-accent);
            font-size: 14px;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .k8qm-hero h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .k8qm-hero p {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: #94a3b8;
            max-width: 700px;
            margin: 0 auto 48px;
        }

        /* 预览核心展示区 - 独特模拟布局 */
        .k8qm-preview-visual {
            max-width: 900px;
            margin: 0 auto;
            background: #1e293b;
            border-radius: 16px;
            border: 1px solid var(--k8qm-border);
            box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.5);
            overflow: hidden;
            position: relative;
        }

        .k8qm-visual-header {
            padding: 12px 20px;
            background: #0f172a;
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 1px solid var(--k8qm-border);
        }

        .k8qm-dot { width: 10px; height: 10px; border-radius: 50%; }
        .k8qm-dot-1 { background: #ff5f56; }
        .k8qm-dot-2 { background: #ffbd2e; }
        .k8qm-dot-3 { background: #27c93f; }

        .k8qm-visual-body {
            padding: 24px;
            font-family: "Fira Code", monospace;
            font-size: 13px;
            color: #e2e8f0;
            text-align: left;
        }

        .k8qm-log-line {
            display: flex;
            gap: 16px;
            margin-bottom: 8px;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background 0.3s;
        }

        .k8qm-log-line:hover { background: rgba(255, 255, 255, 0.05); }
        .k8qm-status-add { color: #10b981; }
        .k8qm-status-upd { color: #3b82f6; }
        .k8qm-status-del { color: #ef4444; }

        /* 性能指标区 */
        .k8qm-section {
            padding: 96px 24px;
            max-width: var(--k8qm-container);
            margin: 0 auto;
        }

        .k8qm-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .k8qm-metric-card {
            background: rgba(30, 41, 59, 0.5);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--k8qm-border);
            transition: transform 0.3s ease, border-color 0.3s ease;
            min-width: 0;
        }

        .k8qm-metric-card:hover {
            transform: translateY(-8px);
            border-color: var(--k8qm-primary);
        }

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

        .k8qm-metric-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 16px;
            display: block;
        }

        .k8qm-metric-desc {
            color: #94a3b8;
            font-size: 15px;
        }

        /* 行业方案 - 错位布局 */
        .k8qm-industry-block {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
            margin-bottom: 80px;
        }

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

        .k8qm-industry-content {
            flex: 1;
            min-width: 300px;
        }

        .k8qm-industry-visual {
            flex: 1;
            min-width: 300px;
            background: linear-gradient(135deg, #0062ff 0%, #00d2ff 100%);
            height: 300px;
            border-radius: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .k8qm-industry-visual::before {
            content: '';
            position: absolute;
            width: 150%;
            height: 150%;
            background: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,0.05) 20px, rgba(255,255,255,0.05) 40px);
        }

        .k8qm-industry-tag {
            color: var(--k8qm-accent);
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            margin-bottom: 16px;
            display: block;
        }

        .k8qm-industry-content h3 {
            font-size: 32px;
            margin-bottom: 20px;
        }

        .k8qm-impact-box {
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-left: 4px solid var(--k8qm-secondary);
            margin-top: 24px;
        }

        /* 路线图 */
        .k8qm-roadmap-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }

        .k8qm-roadmap-item {
            padding: 32px;
            background: #1e293b;
            border-radius: 16px;
            border-top: 4px solid var(--k8qm-primary);
            min-width: 0;
        }

        .k8qm-roadmap-quarter {
            font-weight: 800;
            color: var(--k8qm-secondary);
            font-size: 24px;
            margin-bottom: 8px;
            display: block;
        }

        /* 证言 */
        .k8qm-testimony-section {
            background: #000;
            padding: 96px 24px;
        }

        .k8qm-testimony-container {
            max-width: var(--k8qm-container);
            margin: 0 auto;
        }

        .k8qm-testimony-card {
            font-style: italic;
            font-size: 20px;
            color: #e2e8f0;
            border-left: 1px solid var(--k8qm-primary);
            padding-left: 32px;
            margin-bottom: 64px;
            max-width: 800px;
            min-width: 0;
        }

        .k8qm-testimony-author {
            display: block;
            margin-top: 16px;
            font-style: normal;
            font-size: 14px;
            color: #64748b;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        /* 页脚 */
        .k8qm-footer {
            padding: 64px 24px;
            border-top: 1px solid var(--k8qm-border);
            text-align: center;
        }

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

        .k8qm-footer-links {
            display: flex;
            justify-content: center;
            gap: 32px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .k8qm-footer-links a {
            color: #64748b;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .k8qm-footer-links a:hover {
            color: white;
        }

        .k8qm-copyright {
            color: #475569;
            font-size: 12px;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .k8qm-nav-menu {
                display: none; /* 简化演示，实际应为汉堡菜单 */
            }
            .k8qm-hero {
                padding: 120px 24px 64px;
            }
            .k8qm-industry-visual {
                height: 200px;
            }
        }
    

@keyframes spin { 100% { transform: rotate(360deg); } }