:root {
            --rh3o-primary: #188fff;
            --rh3o-primary-dark: #0056b3;
            --rh3o-accent: #00d4ff;
            --rh3o-bg-light: #f8fafc;
            --rh3o-bg-dark: #0f172a;
            --rh3o-text-main: #334155;
            --rh3o-text-head: #1e293b;
            --rh3o-glass: rgba(255, 255, 255, 0.85);
            --rh3o-radius: 16px;
            --rh3o-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background-color: var(--rh3o-bg-light);
            color: var(--rh3o-text-main);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 导航栏 */
        .rh3o-header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: var(--rh3o-glass);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            padding: 0.75rem 0;
        }

        .rh3o-nav-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

        .rh3o-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .rh3o-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .rh3o-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 12px;
            min-width: 0;
        }

        .rh3o-menu-item a {
            text-decoration: none;
            color: var(--rh3o-text-main);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--rh3o-transition);
        }

        .rh3o-menu-item a:hover {
            background: rgba(24, 143, 255, 0.1);
            color: var(--rh3o-primary);
        }

        .rh3o-menu-item.rh3o-active a {
            background: var(--rh3o-primary);
            color: #fff;
        }

        /* Hero 区 - 非对称布局 */
        .rh3o-hero {
            padding: 160px 24px 80px;
            background: linear-gradient(135deg, #fff 0%, #e0f2fe 100%);
            position: relative;
            overflow: hidden;
        }

        .rh3o-hero::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(24, 143, 255, 0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .rh3o-hero-content {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
        }

        .rh3o-hero-text {
            flex: 1 1 500px;
            min-width: 0;
        }

        .rh3o-hero-text h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            color: var(--rh3o-text-head);
            margin-bottom: 24px;
            font-weight: 800;
        }

        .rh3o-hero-text p {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.35rem);
            color: #64748b;
            margin-bottom: 32px;
            max-width: 600px;
        }

        .rh3o-hero-visual {
            flex: 1 1 500px;
            min-width: 0;
            background: #fff;
            padding: 24px;
            border-radius: var(--rh3o-radius);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .rh3o-hero-visual img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }

        /* 核心配置步骤 */
        .rh3o-section {
            padding: 96px 24px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .rh3o-section-title {
            text-align: center;
            margin-bottom: 64px;
        }

        .rh3o-section-title h2 {
            font-size: clamp(2rem, 3vw + 0.5rem, 2.5rem);
            color: var(--rh3o-text-head);
            margin-bottom: 16px;
        }

        .rh3o-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .rh3o-step-card {
            background: #fff;
            padding: 40px;
            border-radius: var(--rh3o-radius);
            transition: var(--rh3o-transition);
            border: 1px solid #e2e8f0;
            position: relative;
        }

        .rh3o-step-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
            border-color: var(--rh3o-primary);
        }

        .rh3o-step-number {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(24, 143, 255, 0.1);
            position: absolute;
            top: 20px;
            right: 30px;
        }

        .rh3o-step-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--rh3o-text-head);
        }

        .rh3o-step-image {
            margin: 24px 0;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid #f1f5f9;
        }

        .rh3o-step-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 行业矩阵区块 */
        .rh3o-matrix-section {
            background-color: var(--rh3o-bg-dark);
            color: #fff;
            padding: 96px 24px;
            border-radius: 48px;
            margin: 0 24px 96px;
        }

        .rh3o-matrix-header {
            max-width: 1300px;
            margin: 0 auto 64px;
            text-align: left;
        }

        .rh3o-matrix-header h2 {
            font-size: clamp(2rem, 3vw + 0.5rem, 2.75rem);
            margin-bottom: 20px;
            color: var(--rh3o-accent);
        }

        .rh3o-matrix-grid {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .rh3o-matrix-card {
            flex: 1 1 380px;
            min-width: 0;
            background: rgba(255, 255, 255, 0.05);
            padding: 32px;
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--rh3o-transition);
        }

        .rh3o-matrix-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--rh3o-accent);
        }

        .rh3o-sector-tag {
            display: inline-block;
            background: var(--rh3o-primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .rh3o-matrix-card h4 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: #fff;
        }

        .rh3o-matrix-card p {
            color: #94a3b8;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .rh3o-key-tool {
            font-weight: 600;
            color: var(--rh3o-accent);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: block;
        }

        /* 动态文章区块标记 */
        .rh3o-news-section {
            padding-bottom: 96px;
        }

        /* 页脚 */
        .rh3o-footer {
            background: #f1f5f9;
            padding: 80px 24px 40px;
            border-top: 1px solid #e2e8f0;
        }

        .rh3o-footer-inner {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .rh3o-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .rh3o-footer-brand h2 {
            font-size: 1.5rem;
            color: var(--rh3o-primary);
            margin-bottom: 16px;
        }

        .rh3o-footer-links {
            flex: 2 1 600px;
            min-width: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }

        .rh3o-footer-group h4 {
            margin-bottom: 20px;
            color: var(--rh3o-text-head);
        }

        .rh3o-footer-group ul {
            list-style: none;
        }

        .rh3o-footer-group ul li {
            margin-bottom: 10px;
        }

        .rh3o-footer-group a {
            text-decoration: none;
            color: #64748b;
            transition: var(--rh3o-transition);
        }

        .rh3o-footer-group a:hover {
            color: var(--rh3o-primary);
        }

        .rh3o-copyright {
            width: 100%;
            text-align: center;
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid #e2e8f0;
            color: #94a3b8;
            font-size: 0.875rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .rh3o-nav-container {
                flex-direction: column;
                gap: 16px;
            }
            .rh3o-menu {
                justify-content: center;
            }
            .rh3o-hero {
                padding-top: 180px;
            }
            .rh3o-matrix-section {
                margin: 0 12px 64px;
                border-radius: 24px;
            }
        }