:root {
            --o6ip-primary: #bf0000;
            --o6ip-primary-dark: #8b0000;
            --o6ip-secondary: #2c3e50;
            --o6ip-text: #333333;
            --o6ip-bg-light: #f8f9fa;
            --o6ip-bg-white: #ffffff;
            --o6ip-gray: #e9ecef;
            --o6ip-accent: #007bff;
            --o6ip-container-width: 1300px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--o6ip-text);
            background-color: var(--o6ip-bg-light);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 动态数据流背景 */
        .o6ip-bg-lines {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            opacity: 0.05;
            pointer-events: none;
            background: 
                linear-gradient(90deg, var(--o6ip-gray) 1px, transparent 1px) 0 0 / 50px 50px,
                linear-gradient(0deg, var(--o6ip-gray) 1px, transparent 1px) 0 0 / 50px 50px;
        }

        /* 导航栏 */
        .o6ip-header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            padding: 0 24px;
        }

        .o6ip-nav-container {
            max-width: var(--o6ip-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .o6ip-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .o6ip-logo img {
            height: 45px;
            width: auto;
            display: block;
        }

        .o6ip-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: clamp(10px, 1.5vw, 24px);
        }

        .o6ip-menu li {
            min-width: 0;
        }

        .o6ip-menu a {
            text-decoration: none;
            color: var(--o6ip-secondary);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 4px;
            transition: all 0.3s ease;
            position: relative;
        }

        .o6ip-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--o6ip-primary);
            transition: width 0.3s ease;
        }

        .o6ip-menu a:hover, .o6ip-menu a.active {
            color: var(--o6ip-primary);
        }

        .o6ip-menu a.active::after {
            width: 100%;
        }

        /* 诊断Hero区 - 非对称布局 */
        .o6ip-hero-diag {
            padding: 160px 24px 80px;
            max-width: var(--o6ip-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
        }

        .o6ip-diag-content {
            flex: 1 1 500px;
            min-width: 0;
        }

        .o6ip-diag-visual {
            flex: 1 1 400px;
            min-width: 0;
            background: var(--o6ip-secondary);
            border-radius: 16px;
            padding: 32px;
            color: #fff;
            box-shadow: 0 20px 40px rgba(0,0,0,0.2);
            font-family: 'Courier New', Courier, monospace;
            position: relative;
            overflow: hidden;
        }

        .o6ip-diag-visual::before {
            content: "CONNECTION LOG";
            display: block;
            margin-bottom: 16px;
            font-size: 12px;
            color: #666;
            border-bottom: 1px solid #444;
            padding-bottom: 8px;
        }

        .o6ip-log-line {
            margin-bottom: 8px;
            font-size: 14px;
            border-left: 3px solid transparent;
            padding-left: 10px;
        }

        .o6ip-log-error {
            color: #ff4d4d;
            border-left-color: #ff4d4d;
        }

        .o6ip-log-success {
            color: #2ecc71;
            border-left-color: #2ecc71;
        }

        .o6ip-hero-diag h1 {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            color: var(--o6ip-secondary);
            margin-bottom: 24px;
            word-break: keep-all;
        }

        .o6ip-hero-diag p {
            font-size: clamp(1rem, 1vw + 0.5rem, 1.25rem);
            color: #666;
            margin-bottom: 32px;
            max-width: 600px;
        }

        /* 工业美学网格 */
        .o6ip-asymmetric-grid {
            max-width: var(--o6ip-container-width);
            margin: 64px auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .o6ip-grid-item {
            background: var(--o6ip-bg-white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 4px solid transparent;
        }

        .o6ip-grid-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.08);
        }

        .o6ip-item-large {
            grid-column: span 8;
            border-top-color: var(--o6ip-primary);
        }

        .o6ip-item-small {
            grid-column: span 4;
            border-top-color: var(--o6ip-secondary);
        }

        .o6ip-grid-item h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--o6ip-secondary);
        }

        .o6ip-grid-item p {
            color: #666;
            font-size: 16px;
            line-height: 1.8;
        }

        .o6ip-stat-tag {
            display: inline-block;
            background: var(--o6ip-gray);
            color: var(--o6ip-secondary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            margin-top: 16px;
            font-weight: bold;
        }

        /* 部署场景区块 */
        .o6ip-scenario-section {
            background: var(--o6ip-secondary);
            padding: 96px 24px;
            color: #fff;
        }

        .o6ip-scenario-container {
            max-width: var(--o6ip-container-width);
            margin: 0 auto;
        }

        .o6ip-scenario-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .o6ip-scenario-header h2 {
            font-size: 32px;
            margin-bottom: 16px;
        }

        .o6ip-scenario-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .o6ip-scenario-card {
            flex: 1 1 350px;
            min-width: 0;
            background: rgba(255,255,255,0.05);
            padding: 32px;
            border-radius: 12px;
            border-left: 4px solid var(--o6ip-primary);
        }

        .o6ip-scenario-card h4 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--o6ip-primary);
        }

        /* 底部CTA */
        .o6ip-cta {
            padding: 96px 24px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .o6ip-btn {
            display: inline-block;
            padding: 16px 48px;
            background: var(--o6ip-primary);
            color: #fff;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            font-size: 18px;
            transition: all 0.3s ease;
            box-shadow: 0 10px 20px rgba(191,0,0,0.2);
        }

        .o6ip-btn:hover {
            background: var(--o6ip-primary-dark);
            transform: scale(1.05);
        }

        /* 页脚 */
        .o6ip-footer {
            background: #1a1a1a;
            color: #999;
            padding: 64px 24px;
        }

        .o6ip-footer-grid {
            max-width: var(--o6ip-container-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
        }

        .o6ip-footer-brand h2 {
            color: #fff;
            margin-bottom: 16px;
        }

        .o6ip-footer-links h5 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 18px;
        }

        .o6ip-footer-links ul {
            list-style: none;
        }

        .o6ip-footer-links li {
            margin-bottom: 12px;
        }

        .o6ip-footer-links a {
            color: #999;
            text-decoration: none;
            transition: color 0.3s;
        }

        .o6ip-footer-links a:hover {
            color: var(--o6ip-primary);
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .o6ip-item-large, .o6ip-item-small {
                grid-column: span 12;
            }
        }

        @media (max-width: 768px) {
            .o6ip-nav-container {
                height: auto;
                padding: 16px 0;
            }
            .o6ip-menu {
                width: 100%;
                justify-content: center;
                margin-top: 16px;
            }
            .o6ip-hero-diag {
                padding-top: 120px;
                text-align: center;
            }
            .o6ip-hero-diag p {
                margin: 0 auto 32px;
            }
            .o6ip-diag-visual {
                padding: 16px;
            }
        }