:root {
            --hbosco-primary: #0056b3;
            --hbosco-secondary: #d93025;
            --hbosco-dark: #1a1a1a;
            --hbosco-light: #ffffff;
            --hbosco-accent: #f0f4f8;
            --hbosco-text: #333333;
            --hbosco-text-muted: #666666;
            --hbosco-border: #e1e4e8;
            --hbosco-spacing-unit: 8px;
            --hbosco-container-width: 1300px;
        }

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

        body {
            font-family: "Inter", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--hbosco-text);
            line-height: 1.6;
            background-color: var(--hbosco-light);
            word-break: keep-all;
            overflow-x: hidden;
        }

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

        h1 { font-size: clamp(2rem, 5vw + 1rem, 3.5rem); font-weight: 800; }
        h2 { font-size: clamp(1.5rem, 3vw + 1rem, 2.5rem); font-weight: 700; margin-bottom: 24px; }
        h3 { font-size: clamp(1.2rem, 2vw + 0.5rem, 1.8rem); font-weight: 600; }
        p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.125rem); line-height: 1.8; margin-bottom: 16px; word-break: break-word; overflow-wrap: break-word; }

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

        .hbosco-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .hbosco-grid {
            display: grid;
            gap: 32px;
        }

        /* Navigation */
        .hbosco-header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--hbosco-border);
            z-index: 1000;
            padding: 12px 0;
        }

        .hbosco-nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

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

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

        .hbosco-nav-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 20px;
        }

        .hbosco-nav-list li {
            min-width: 0;
        }

        .hbosco-nav-list a {
            text-decoration: none;
            color: var(--hbosco-text);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
            padding: 8px 4px;
            position: relative;
        }

        .hbosco-nav-list a:hover {
            color: var(--hbosco-primary);
        }

        .hbosco-nav-list a.hbosco-active {
            color: var(--hbosco-primary);
        }

        .hbosco-nav-list a.hbosco-active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--hbosco-primary);
        }

        /* Hero Section - Unique Layered Design */
        .hbosco-hero {
            padding: 160px 0 96px;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            position: relative;
            overflow: hidden;
        }

        .hbosco-hero-content {
            flex: 1;
            min-width: 320px;
            z-index: 2;
        }

        .hbosco-hero-badge {
            display: inline-block;
            background: var(--hbosco-primary);
            color: white;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 14px;
            margin-bottom: 24px;
        }

        .hbosco-hero-subtitle {
            color: var(--hbosco-text-muted);
            max-width: 700px;
            margin-top: 24px;
        }

        /* Feature Focus Section */
        .hbosco-feature-focus {
            padding: 96px 0;
            background: var(--hbosco-light);
        }

        .hbosco-section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 64px;
        }

        .hbosco-card-grid {
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        }

        .hbosco-feature-card {
            background: var(--hbosco-accent);
            padding: 48px;
            border-radius: 16px;
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid var(--hbosco-border);
            min-width: 0;
        }

        .hbosco-feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

        .hbosco-card-icon {
            font-size: 32px;
            margin-bottom: 24px;
            color: var(--hbosco-primary);
        }

        .hbosco-capability-tag {
            display: inline-block;
            background: rgba(0, 86, 179, 0.1);
            color: var(--hbosco-primary);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 13px;
            margin: 4px;
        }

        /* Comparison Logic Section - Dark Style */
        .hbosco-logic-section {
            padding: 96px 0;
            background: var(--hbosco-dark);
            color: var(--hbosco-light);
        }

        .hbosco-logic-section h2, .hbosco-logic-section h3 {
            color: var(--hbosco-light);
        }

        .hbosco-logic-item {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 64px;
        }

        .hbosco-logic-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .hbosco-logic-text {
            flex: 1;
            min-width: 300px;
        }

        .hbosco-logic-visual {
            flex: 1;
            min-width: 300px;
            background: #2d2d2d;
            padding: 32px;
            border-radius: 12px;
            font-family: monospace;
            border-left: 4px solid var(--hbosco-secondary);
        }

        /* Use Case Matrix */
        .hbosco-matrix-section {
            padding: 96px 0;
            background: #fdfdfd;
        }

        .hbosco-matrix-item {
            background: white;
            border: 1px solid var(--hbosco-border);
            border-radius: 12px;
            padding: 32px;
            margin-bottom: 24px;
        }

        .hbosco-matrix-problem {
            color: var(--hbosco-secondary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .hbosco-matrix-solution {
            color: #28a745;
            font-weight: 600;
        }

        /* Protocols Section */
        .hbosco-protocol-section {
            padding: 64px 0;
            background: var(--hbosco-accent);
        }

        .hbosco-protocol-flex {
            justify-content: space-around;
            gap: 32px;
        }

        .hbosco-protocol-box {
            flex: 1;
            min-width: 280px;
            background: white;
            padding: 32px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        /* Footer */
        .hbosco-footer {
            padding: 64px 0 32px;
            background: var(--hbosco-dark);
            color: #999;
            border-top: 4px solid var(--hbosco-primary);
        }

        .hbosco-footer-brand {
            font-size: 24px;
            font-weight: 700;
            color: white;
            margin-bottom: 16px;
        }

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

        .hbosco-footer-links h4 {
            color: white;
            margin-bottom: 20px;
        }

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

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

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

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

        .hbosco-copyright {
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid #333;
            text-align: center;
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hbosco-nav-list {
                display: none; /* In a real project, add a hamburger menu */
            }
            .hbosco-logic-item {
                flex-direction: column !important;
            }
            .hbosco-hero {
                padding: 120px 0 64px;
                text-align: center;
            }
        }