:root {
            --hbosco-primary: #0056b3;
            --hbosco-secondary: #c0392b;
            --hbosco-dark: #1a202c;
            --hbosco-light: #f7fafc;
            --hbosco-accent: #38b2ac;
            --hbosco-text: #2d3748;
            --hbosco-border: #e2e8f0;
            --hbosco-container-width: 1300px;
        }

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

        body {
            font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
            color: var(--hbosco-text);
            line-height: 1.7;
            background-color: #fff;
            overflow-x: hidden;
        }

        /* Typography */
        h1, h2, h3, h4 {
            color: var(--hbosco-dark);
            line-height: 1.2;
            word-break: keep-all;
            white-space: normal;
        }

        h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
        h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 24px; position: relative; padding-bottom: 12px; }
        h2::after { content: ''; position: absolute; bottom: 0; left: 0; width: 60px; height: 4px; background: var(--hbosco-secondary); }
        p { margin-bottom: 16px; word-break: break-word; overflow-wrap: break-word; font-size: clamp(1rem, 1vw + 0.5rem, 1.1rem); }

        /* Layout Helpers */
        .hbosco-container {
            max-width: var(--hbosco-container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .hbosco-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .hbosco-flex-item {
            flex: 1;
            min-width: 0;
        }

        .hbosco-section {
            padding: 80px 0;
        }

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

        .hbosco-nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

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

        .hbosco-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
        }

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

        .hbosco-menu a:hover {
            background: var(--hbosco-light);
            color: var(--hbosco-primary);
        }

        .hbosco-menu a.active {
            background: var(--hbosco-primary);
            color: #fff;
        }

        /* Hero Section - Unique Tri-Pane Layout */
        .hbosco-hero {
            background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hbosco-hero-content {
            max-width: 900px;
            margin: 0 auto 60px;
        }

        .hbosco-hero-title {
            margin-bottom: 24px;
            color: var(--hbosco-primary);
        }

        .hbosco-hero-subtitle {
            font-size: 1.25rem;
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }

        .hbosco-merge-visualizer {
            display: flex;
            justify-content: center;
            align-items: flex-start;
            gap: 20px;
            margin-top: 48px;
        }

        .hbosco-pane {
            background: #fff;
            border: 1px solid var(--hbosco-border);
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
            min-width: 280px;
            text-align: left;
        }

        .hbosco-pane:hover {
            transform: translateY(-10px);
        }

        .hbosco-pane-label {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .hbosco-label-ancestor { background: #edf2f7; color: #4a5568; }
        .hbosco-label-left { background: #fff5f5; color: #c53030; }
        .hbosco-label-right { background: #ebf8ff; color: #2b6cb0; }

        .hbosco-code-lines {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hbosco-line {
            height: 10px;
            background: #edf2f7;
            border-radius: 5px;
            width: 100%;
        }

        .hbosco-line.diff { background: #feb2b2; width: 80%; }
        .hbosco-line.match { background: #9ae6b4; width: 90%; }

        /* Algorithm Section */
        .hbosco-algo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 40px;
        }

        .hbosco-algo-card {
            background: #fff;
            border-radius: 16px;
            padding: 40px;
            border-left: 6px solid var(--hbosco-primary);
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        }

        .hbosco-algo-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--hbosco-primary);
        }

        .hbosco-capability-list {
            margin-top: 24px;
            list-style: none;
        }

        .hbosco-capability-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--hbosco-light);
            display: flex;
            align-items: center;
        }

        .hbosco-capability-list li::before {
            content: '✓';
            color: var(--hbosco-accent);
            font-weight: bold;
            margin-right: 12px;
        }

        /* Protocol Section */
        .hbosco-protocol-section {
            background-color: var(--hbosco-dark);
            color: #fff;
        }

        .hbosco-protocol-section h2 { color: #fff; }

        .hbosco-protocol-box {
            background: rgba(255,255,255,0.05);
            border-radius: 12px;
            padding: 32px;
            margin-bottom: 24px;
            transition: 0.3s;
        }

        .hbosco-protocol-box:hover {
            background: rgba(255,255,255,0.1);
        }

        .hbosco-endpoint-tag {
            display: inline-block;
            background: var(--hbosco-primary);
            color: white;
            padding: 4px 12px;
            border-radius: 4px;
            margin: 4px;
            font-size: 0.85rem;
        }

        /* Use Case Matrix */
        .hbosco-matrix-row {
            display: grid;
            grid-template-columns: 250px 1fr;
            border-bottom: 1px solid var(--hbosco-border);
            padding: 32px 0;
        }

        .hbosco-industry-label {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--hbosco-secondary);
        }

        /* Footer */
        .hbosco-footer {
            background: #f8fafc;
            padding: 64px 0 32px;
            border-top: 1px solid var(--hbosco-border);
        }

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

        .hbosco-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
        }

        .hbosco-footer-bottom {
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid var(--hbosco-border);
            text-align: center;
            font-size: 0.9rem;
            color: #718096;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hbosco-nav-wrapper { flex-direction: column; height: auto; padding: 16px 0; }
            .hbosco-menu { justify-content: center; margin-top: 16px; }
            .hbosco-merge-visualizer { flex-direction: column; align-items: stretch; }
            .hbosco-matrix-row { grid-template-columns: 1fr; }
            .hbosco-industry-label { margin-bottom: 12px; }
            .hbosco-algo-grid { grid-template-columns: 1fr; }
        }

        /* Animations */
        .hbosco-fade-in {
            transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
        }
        .hbosco-fade-in:hover {
            transform: scale(1.02);
        }