:root {
            --hbosco-primary: #911b1b;
            --hbosco-primary-light: #c1272d;
            --hbosco-dark: #1a1a1a;
            --hbosco-gray: #f8f9fa;
            --hbosco-text: #333333;
            --hbosco-accent: #e9ecef;
            --hbosco-container-width: 1100px;
            --hbosco-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--hbosco-text);
            line-height: 1.7;
            background-color: #fff;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Utility Classes */
        .hbosco-container {
            max-width: var(--hbosco-container-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

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

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

        h1, h2, h3 {
            line-height: 1.3;
            font-weight: 700;
            word-break: break-word;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--hbosco-transition);
        }

        /* Navigation */
        .hbosco-nav-wrapper {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        }

        .hbosco-nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            max-width: var(--hbosco-container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .hbosco-menu {
            display: flex;
            list-style: none;
            gap: 24px;
        }

        .hbosco-menu-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--hbosco-dark);
            padding: 8px 0;
            position: relative;
        }

        .hbosco-menu-link:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--hbosco-primary);
            transition: var(--hbosco-transition);
        }

        .hbosco-menu-link:hover:after,
        .hbosco-menu-link.hbosco-active:after {
            width: 100%;
        }

        .hbosco-menu-link.hbosco-active {
            color: var(--hbosco-primary);
        }

        /* Hero Section */
        .hbosco-hero {
            padding: 96px 0;
            background: linear-gradient(135deg, #fdfdfd 0%, #f4f4f4 100%);
            position: relative;
            overflow: hidden;
        }

        .hbosco-hero:before {
            content: 'COMPARE';
            position: absolute;
            font-size: 20vw;
            font-weight: 900;
            color: rgba(0,0,0,0.02);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 0;
            white-space: nowrap;
        }

        .hbosco-hero-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 850px;
            margin: 0 auto;
        }

        .hbosco-hero-tag {
            display: inline-block;
            background: var(--hbosco-primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hbosco-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            color: var(--hbosco-dark);
            margin-bottom: 32px;
        }

        .hbosco-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
            color: #666;
            margin-bottom: 48px;
            line-height: 1.6;
        }

        /* Image Comparison Feature Visual */
        .hbosco-image-compare-demo {
            margin-top: 64px;
            background: #fff;
            padding: 16px;
            border-radius: 16px;
            box-shadow: 0 30px 60px rgba(0,0,0,0.1);
            position: relative;
        }

        .hbosco-visual-split {
            display: flex;
            height: 400px;
            border-radius: 8px;
            overflow: hidden;
            background: #eee;
        }

        .hbosco-visual-side {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hbosco-side-a { background: #fafafa; border-right: 2px solid var(--hbosco-primary); }
        .hbosco-side-b { background: #f0f0f0; }

        .hbosco-diff-marker {
            position: absolute;
            width: 60px;
            height: 60px;
            border: 2px dashed var(--hbosco-primary);
            background: rgba(145, 27, 27, 0.1);
            animation: hbosco-pulse 2s infinite;
        }

        @keyframes hbosco-pulse {
            0% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.1); opacity: 0.6; }
            100% { transform: scale(1); opacity: 1; }
        }

        /* Algorithmic Layers */
        .hbosco-section {
            padding: 96px 0;
        }

        .hbosco-section-gray {
            background-color: var(--hbosco-gray);
        }

        .hbosco-section-header {
            margin-bottom: 64px;
            text-align: center;
        }

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

        .hbosco-card {
            background: #fff;
            padding: 48px;
            border-radius: 20px;
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--hbosco-transition);
        }

        .hbosco-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

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

        .hbosco-card-title {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--hbosco-dark);
        }

        .hbosco-card-desc {
            color: #666;
            margin-bottom: 24px;
        }

        .hbosco-capability-list {
            list-style: none;
        }

        .hbosco-capability-item {
            font-size: 14px;
            padding: 4px 0;
            color: #888;
            display: flex;
            align-items: center;
        }

        .hbosco-capability-item:before {
            content: '•';
            color: var(--hbosco-primary);
            margin-right: 8px;
            font-weight: bold;
        }

        /* Enterprise Sync Protocols */
        .hbosco-protocol-strip {
            padding: 64px 0;
            background: var(--hbosco-dark);
            color: #fff;
        }

        .hbosco-protocol-item {
            flex: 1;
            min-width: 280px;
            padding: 32px;
            border-left: 1px solid rgba(255,255,255,0.1);
        }

        .hbosco-protocol-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--hbosco-primary-light);
        }

        .hbosco-endpoint-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hbosco-tag {
            font-size: 12px;
            background: rgba(255,255,255,0.05);
            padding: 4px 12px;
            border-radius: 4px;
        }

        /* Use Case Matrix */
        .hbosco-matrix-item {
            display: flex;
            align-items: flex-start;
            padding: 40px;
            border-bottom: 1px solid #eee;
        }

        .hbosco-matrix-industry {
            flex: 0 0 200px;
            font-weight: 700;
            color: var(--hbosco-primary);
            font-size: 18px;
            text-transform: uppercase;
        }

        .hbosco-matrix-content {
            flex: 1;
        }

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

        .hbosco-matrix-solution {
            color: #666;
        }

        /* Footer */
        .hbosco-footer {
            padding: 80px 0 40px;
            background: #fdfdfd;
            border-top: 1px solid #eee;
        }

        .hbosco-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .hbosco-footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--hbosco-dark);
            margin-bottom: 16px;
        }

        .hbosco-footer-links h4 {
            margin-bottom: 24px;
            font-size: 16px;
        }

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

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

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

        .hbosco-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid #eee;
            font-size: 13px;
            color: #999;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hbosco-nav-container { height: auto; padding: 16px 24px; flex-direction: column; gap: 16px; }
            .hbosco-menu { flex-wrap: wrap; justify-content: center; gap: 12px; }
            .hbosco-menu-link { font-size: 13px; }
            .hbosco-hero { padding: 64px 0; }
            .hbosco-visual-split { height: 250px; }
            .hbosco-matrix-item { flex-direction: column; gap: 16px; }
            .hbosco-matrix-industry { flex: none; }
            .hbosco-grid { grid-template-columns: 1fr; }
        }