:root {
            --hbosco-primary: #d32f2f;
            --hbosco-primary-dark: #b71c1c;
            --hbosco-bg-light: #f8f9fa;
            --hbosco-bg-dark: #1a1a1a;
            --hbosco-text-main: #2d3436;
            --hbosco-text-muted: #636e72;
            --hbosco-white: #ffffff;
            --hbosco-accent: #0984e3;
            --hbosco-spacing: 8px;
            --hbosco-radius: 12px;
            --hbosco-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        /* 布局容器 */
        .hbosco-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 calc(var(--hbosco-spacing) * 3);
            width: 100%;
        }

        /* 导航栏 */
        .hbosco-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: var(--hbosco-transition);
        }

        .hbosco-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            background: rgba(255, 255, 255, 0.95);
        }

        .hbosco-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            min-width: 0;
        }

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

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

        .hbosco-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: calc(var(--hbosco-spacing) * 3);
            min-width: 0;
        }

        .hbosco-menu li {
            min-width: 0;
        }

        .hbosco-menu a {
            text-decoration: none;
            color: var(--hbosco-text-main);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--hbosco-transition);
            position: relative;
            padding: 8px 0;
        }

        .hbosco-menu a:hover, .hbosco-menu a.active {
            color: var(--hbosco-primary);
        }

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

        /* Hero 区域 - 独特非对称布局 */
        .hbosco-hero {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
            position: relative;
            overflow: hidden;
        }

        .hbosco-hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hbosco-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
            min-width: 0;
        }

        .hbosco-hero-text {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .hbosco-hero-badge {
            display: inline-block;
            background: rgba(211, 47, 47, 0.1);
            color: var(--hbosco-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hbosco-hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            color: #121212;
        }

        .hbosco-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.35rem);
            color: var(--hbosco-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
            line-height: 1.7;
        }

        /* 下载控制台 */
        .hbosco-download-panel {
            flex: 1;
            min-width: 320px;
            background: var(--hbosco-white);
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 30px 60px rgba(0,0,0,0.1);
            border: 1px solid rgba(0,0,0,0.05);
        }

        .hbosco-distro-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin-top: 24px;
        }

        .hbosco-download-card {
            padding: 24px;
            border: 2px solid #f0f0f0;
            border-radius: 16px;
            text-align: center;
            transition: var(--hbosco-transition);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }

        .hbosco-download-card:hover {
            border-color: var(--hbosco-primary);
            background: rgba(211, 47, 47, 0.02);
            transform: translateY(-5px);
        }

        .hbosco-card-icon {
            font-size: 32px;
            margin-bottom: 12px;
            display: block;
        }

        .hbosco-card-label {
            font-weight: 700;
            font-size: 1rem;
            display: block;
            margin-bottom: 4px;
        }

        .hbosco-card-ext {
            font-size: 0.8rem;
            color: var(--hbosco-text-muted);
        }

        /* 算法逻辑层级区 */
        .hbosco-section {
            padding: 96px 0;
            word-break: break-word;
        }

        .hbosco-section-dark {
            background-color: var(--hbosco-bg-dark);
            color: var(--hbosco-white);
        }

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

        .hbosco-section-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            margin-bottom: 16px;
        }

        .hbosco-grid-layers {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
        }

        .hbosco-layer-box {
            background: rgba(255,255,255,0.05);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.1);
            transition: var(--hbosco-transition);
        }

        .hbosco-layer-box:hover {
            background: rgba(255,255,255,0.08);
            border-color: var(--hbosco-primary);
        }

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

        .hbosco-layer-desc {
            margin-bottom: 24px;
            opacity: 0.8;
            font-size: 1.05rem;
        }

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

        .hbosco-capability-list li {
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
        }

        .hbosco-capability-list li::before {
            content: '✓';
            color: #4cd137;
            font-weight: bold;
        }

        /* 协议与同步区 */
        .hbosco-sync-section {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: stretch;
        }

        .hbosco-sync-visual {
            flex: 1;
            min-width: 320px;
            background: #eee;
            border-radius: 24px;
            min-height: 400px;
            background-image: linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
            background-size: 20px 20px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hbosco-sync-info {
            flex: 1;
            min-width: 320px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hbosco-protocol-item {
            margin-bottom: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid #eee;
        }

        .hbosco-protocol-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .hbosco-tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 12px 0;
        }

        .hbosco-tag {
            background: #eee;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            color: var(--hbosco-text-muted);
        }

        /* 行业矩阵 - 错落排列 */
        .hbosco-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .hbosco-matrix-card {
            padding: 32px;
            background: var(--hbosco-white);
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: var(--hbosco-transition);
        }

        .hbosco-matrix-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .hbosco-industry-label {
            color: var(--hbosco-accent);
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 8px;
            display: block;
        }

        .hbosco-problem {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .hbosco-solution {
            font-size: 0.95rem;
            color: var(--hbosco-text-muted);
            border-left: 3px solid var(--hbosco-primary);
            padding-left: 16px;
        }

        /* 页脚 */
        .hbosco-footer {
            background: #000;
            color: #fff;
            padding: 80px 0 40px;
        }

        .hbosco-footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 64px;
        }

        .hbosco-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .hbosco-footer-brand-name {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hbosco-footer-links {
            flex: 2;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 32px;
        }

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

        .hbosco-footer-links h4 {
            margin-bottom: 20px;
            font-size: 1rem;
            color: var(--hbosco-primary);
        }

        .hbosco-footer-links a {
            color: #aaa;
            text-decoration: none;
            display: block;
            margin-bottom: 12px;
            font-size: 0.9rem;
            transition: var(--hbosco-transition);
        }

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

        .hbosco-copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 0.85rem;
            color: #666;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .hbosco-nav-wrapper {
                height: auto;
                padding: 16px 0;
            }
            .hbosco-menu {
                margin-top: 20px;
                width: 100%;
                justify-content: center;
                gap: 16px;
            }
            .hbosco-hero {
                padding: 120px 0 60px;
                text-align: center;
            }
            .hbosco-hero-content {
                flex-direction: column;
            }
            .hbosco-hero-subtitle {
                margin: 0 auto 40px;
            }
            .hbosco-download-panel {
                width: 100%;
                padding: 24px;
            }
            .hbosco-sync-section {
                flex-direction: column;
            }
            .hbosco-sync-visual {
                min-height: 250px;
            }
        }