:root {
            --o6ip-primary: #bf0000;
            --o6ip-primary-hover: #a00000;
            --o6ip-dark: #1a1a1a;
            --o6ip-text: #333333;
            --o6ip-light-bg: #f8f9fa;
            --o6ip-border: #e9ecef;
            --o6ip-container-width: 1100px;
            --o6ip-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        /* Navigation */
        .o6ip-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--o6ip-border);
            padding: 0.5rem 0;
        }

        .o6ip-nav-container {
            max-width: var(--o6ip-container-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

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

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

        .o6ip-nav-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
            margin-left: auto;
        }

        .o6ip-nav-item a {
            text-decoration: none;
            color: var(--o6ip-dark);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 6px;
            transition: var(--o6ip-transition);
        }

        .o6ip-nav-item a:hover {
            color: var(--o6ip-primary);
            background: rgba(191, 0, 0, 0.05);
        }

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

        /* Hero Section - Asymmetrical Layout */
        .o6ip-hero {
            padding: 96px 0;
            background: linear-gradient(135deg, #ffffff 0%, #fef2f2 100%);
            position: relative;
            overflow: hidden;
        }

        .o6ip-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: repeating-linear-gradient(45deg, #f0f0f0 0px, #f0f0f0 1px, transparent 1px, transparent 10px);
            opacity: 0.5;
            z-index: 0;
        }

        .o6ip-hero-inner {
            max-width: var(--o6ip-container-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            position: relative;
            z-index: 1;
        }

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

        .o6ip-hero-tag {
            display: inline-block;
            background: rgba(191, 0, 0, 0.1);
            color: var(--o6ip-primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 24px;
            text-transform: uppercase;
        }

        .o6ip-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 3.5rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--o6ip-dark);
            margin-bottom: 24px;
            word-break: keep-all;
        }

        .o6ip-hero-subtitle {
            font-size: clamp(1.1rem, 1vw + 0.8rem, 1.3rem);
            color: #666;
            margin-bottom: 48px;
            max-width: 600px;
        }

        /* Troubleshooting Section */
        .o6ip-section {
            padding: 96px 0;
            max-width: var(--o6ip-container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .o6ip-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .o6ip-card {
            background: #ffffff;
            border: 1px solid var(--o6ip-border);
            padding: 40px;
            border-radius: 16px;
            transition: var(--o6ip-transition);
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .o6ip-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            border-color: var(--o6ip-primary);
        }

        .o6ip-card-icon {
            font-size: 2.5rem;
            margin-bottom: 24px;
            color: var(--o6ip-primary);
        }

        .o6ip-card-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--o6ip-dark);
        }

        /* Solution Steps - Data Flow Visual */
        .o6ip-solution-box {
            background: var(--o6ip-dark);
            color: #ffffff;
            border-radius: 24px;
            padding: 64px;
            margin: 48px 0;
            position: relative;
        }

        .o6ip-step {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 40px;
            position: relative;
        }

        .o6ip-step:not(:last-child)::after {
            content: "";
            position: absolute;
            left: 20px;
            top: 50px;
            width: 2px;
            height: calc(100% - 10px);
            background: rgba(255,255,255,0.1);
        }

        .o6ip-step-num {
            width: 40px;
            height: 40px;
            background: var(--o6ip-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
        }

        .o6ip-step-content {
            flex: 1 1 300px;
            min-width: 0;
        }

        .o6ip-step-content h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: #fff;
        }

        .o6ip-step-content p {
            color: #aaa;
            line-height: 1.6;
        }

        /* Efficiency Table */
        .o6ip-table-wrapper {
            width: 100%;
            overflow-x: auto;
            margin: 48px 0;
            border: 1px solid var(--o6ip-border);
            border-radius: 12px;
        }

        .o6ip-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .o6ip-table th {
            background: var(--o6ip-light-bg);
            text-align: left;
            padding: 16px 24px;
            font-weight: 700;
            border-bottom: 2px solid var(--o6ip-border);
        }

        .o6ip-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--o6ip-border);
        }

        /* CTA Section */
        .o6ip-cta {
            background: var(--o6ip-primary);
            padding: 80px 24px;
            text-align: center;
            color: #ffffff;
            border-radius: 24px;
            margin: 64px auto;
            max-width: var(--o6ip-container-width);
        }

        .o6ip-btn {
            display: inline-block;
            padding: 16px 40px;
            background: #ffffff;
            color: var(--o6ip-primary);
            text-decoration: none;
            font-weight: 700;
            border-radius: 8px;
            transition: var(--o6ip-transition);
            margin-top: 32px;
        }

        .o6ip-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }

        /* Footer */
        .o6ip-footer {
            background: var(--o6ip-dark);
            color: #999;
            padding: 80px 24px 40px;
        }

        .o6ip-footer-inner {
            max-width: var(--o6ip-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .o6ip-footer-brand h2 {
            color: #ffffff;
            font-size: 1.8rem;
            margin-bottom: 16px;
        }

        .o6ip-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

        .o6ip-footer-col h4 {
            color: #fff;
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

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

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

        .o6ip-footer-col ul li a {
            color: #999;
            text-decoration: none;
            transition: var(--o6ip-transition);
        }

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

        .o6ip-copyright {
            max-width: var(--o6ip-container-width);
            margin: 64px auto 0;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .o6ip-nav-list {
                display: none; /* In real project, implement a burger menu */
            }
            .o6ip-hero {
                padding: 64px 0;
            }
            .o6ip-solution-box {
                padding: 32px;
            }
            .o6ip-card {
                padding: 24px;
            }
        }