:root {
            --o6ip-primary: #BF0000;
            --o6ip-primary-dark: #8B0000;
            --o6ip-bg: #F8F9FA;
            --o6ip-dark: #1A1A1B;
            --o6ip-text: #333333;
            --o6ip-accent: #E9ECEF;
            --o6ip-grid-line: rgba(0,0,0,0.05);
            --o6ip-radius: 12px;
            --o6ip-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background-color: var(--o6ip-bg);
            color: var(--o6ip-text);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 背景装饰：动态数据流线条感 */
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(var(--o6ip-grid-line) 1px, transparent 1px),
                linear-gradient(90deg, var(--o6ip-grid-line) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: -1;
        }

        .o6ip-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
            min-width: 0;
        }

        /* 导航栏设计 */
        .o6ip-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--o6ip-accent);
            padding: 12px 0;
        }

        .o6ip-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            min-width: 0;
        }

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

        .o6ip-logo img {
            height: 48px;
            width: auto;
            display: block;
        }

        .o6ip-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .o6ip-menu li a {
            text-decoration: none;
            color: var(--o6ip-dark);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 6px;
            transition: all 0.3s ease;
            font-size: 0.95rem;
            display: inline-block;
        }

        .o6ip-menu li a:hover {
            background: var(--o6ip-accent);
            color: var(--o6ip-primary);
        }

        .o6ip-menu li a.o6ip-active {
            background: var(--o6ip-primary);
            color: #ffffff;
        }

        /* Hero 区域：非对称工业美学 */
        .o6ip-hero {
            padding: 96px 0 64px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
            min-width: 0;
        }

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

        .o6ip-hero-badge {
            display: inline-block;
            background: rgba(191, 0, 0, 0.1);
            color: var(--o6ip-primary);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .o6ip-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--o6ip-dark);
            margin-bottom: 24px;
            word-break: break-word;
        }

        .o6ip-hero-subtitle {
            font-size: clamp(1.1rem, 1vw + 0.8rem, 1.3rem);
            color: #666;
            margin-bottom: 32px;
            max-width: 600px;
            word-break: break-word;
        }

        .o6ip-hero-visual {
            flex: 1 1 400px;
            min-width: 0;
            position: relative;
        }

        .o6ip-industrial-card {
            background: #ffffff;
            border: 1px solid var(--o6ip-accent);
            border-radius: var(--o6ip-radius);
            padding: 32px;
            box-shadow: var(--o6ip-shadow);
            position: relative;
            overflow: hidden;
        }

        .o6ip-industrial-card::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 4px;
            height: 100%;
            background: var(--o6ip-primary);
        }

        /* 教程核心步骤区 */
        .o6ip-section {
            padding: 64px 0;
            min-width: 0;
        }

        .o6ip-section-title {
            font-size: 2rem;
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .o6ip-section-title::before {
            content: "";
            width: 40px;
            height: 4px;
            background: var(--o6ip-primary);
            display: block;
        }

        .o6ip-asymmetric-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            min-width: 0;
        }

        .o6ip-step-card {
            background: #fff;
            padding: 32px;
            border-radius: var(--o6ip-radius);
            border: 1px solid var(--o6ip-accent);
            transition: transform 0.3s ease;
            min-width: 0;
        }

        .o6ip-step-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--o6ip-shadow);
        }

        .o6ip-step-num {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(191, 0, 0, 0.05);
            line-height: 1;
            margin-bottom: -20px;
            font-family: serif;
        }

        .o6ip-step-title {
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: var(--o6ip-dark);
            position: relative;
            z-index: 1;
        }

        /* 效率特性模块 */
        .o6ip-efficiency-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            background: var(--o6ip-dark);
            color: #fff;
            padding: 64px;
            border-radius: 24px;
            margin: 64px 0;
            min-width: 0;
        }

        .o6ip-efficiency-item {
            min-width: 0;
            padding: 24px;
            border-left: 2px solid rgba(255,255,255,0.1);
        }

        .o6ip-efficiency-name {
            color: var(--o6ip-primary);
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .o6ip-efficiency-impact {
            margin-top: 16px;
            font-size: 0.9rem;
            color: #aaa;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* 企业场景 */
        .o6ip-scenario-list {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            min-width: 0;
        }

        .o6ip-scenario-card {
            flex: 1 1 300px;
            min-width: 0;
            background: #fff;
            padding: 24px;
            border-radius: var(--o6ip-radius);
            border: 1px solid var(--o6ip-accent);
        }

        .o6ip-scenario-tag {
            background: var(--o6ip-accent);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            margin-bottom: 12px;
            display: inline-block;
        }

        /* 页脚 */
        .o6ip-footer {
            background: #fff;
            border-top: 1px solid var(--o6ip-accent);
            padding: 64px 0 32px;
            margin-top: 64px;
        }

        .o6ip-footer-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 48px;
            min-width: 0;
        }

        .o6ip-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .o6ip-footer-brand-name {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--o6ip-primary);
            margin-bottom: 16px;
        }

        .o6ip-footer-links {
            flex: 2 1 600px;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            min-width: 0;
        }

        .o6ip-link-group {
            flex: 1 1 150px;
            min-width: 0;
        }

        .o6ip-link-group h4 {
            margin-bottom: 20px;
            font-size: 1rem;
            color: var(--o6ip-dark);
        }

        .o6ip-link-group ul {
            list-style: none;
        }

        .o6ip-link-group ul li {
            margin-bottom: 10px;
        }

        .o6ip-link-group ul li a {
            text-decoration: none;
            color: #666;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

        .o6ip-link-group ul li a:hover {
            color: var(--o6ip-primary);
        }

        .o6ip-copyright {
            border-top: 1px solid var(--o6ip-accent);
            padding-top: 32px;
            text-align: center;
            font-size: 0.85rem;
            color: #999;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .o6ip-efficiency-box {
                grid-template-columns: 1fr;
                padding: 40px;
            }
        }

        @media (max-width: 768px) {
            .o6ip-nav-wrapper {
                flex-direction: column;
                gap: 16px;
            }
            .o6ip-menu {
                justify-content: center;
            }
            .o6ip-hero {
                padding: 48px 0;
                text-align: center;
            }
            .o6ip-hero-subtitle {
                margin: 0 auto 32px;
            }
            .o6ip-hero-visual {
                display: none;
            }
            .o6ip-asymmetric-grid {
                grid-template-columns: 1fr;
            }
        }