:root {
            --rg222-primary: #ff4d4f;
            --rg222-secondary: #1890ff;
            --rg222-accent: #722ed1;
            --rg222-dark: #001529;
            --rg222-light: #f0f2f5;
            --rg222-glass: rgba(255, 255, 255, 0.85);
            --rg222-aurora-gradient: linear-gradient(135deg, #ff4d4f 0%, #722ed1 50%, #1890ff 100%);
            --rg222-spacing-unit: 8px;
            --rg222-max-width: 1320px;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: #fff;
            color: var(--rg222-dark);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 布局容器 */
        .rg222-wrapper {
            max-width: var(--rg222-max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 导航栏 */
        .rg222-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--rg222-glass);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .rg222-navbar.rg222-scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            padding: 8px 0;
        }

        .rg222-nav-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            max-width: var(--rg222-max-width);
            margin: 0 auto;
        }

        .rg222-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .rg222-logo img {
            height: 32px;
            display: block;
        }

        .rg222-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .rg222-menu-item a {
            text-decoration: none;
            color: var(--rg222-dark);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
            position: relative;
            white-space: nowrap;
        }

        .rg222-menu-item a:hover {
            color: var(--rg222-primary);
        }

        .rg222-menu-item.active a {
            color: var(--rg222-primary);
        }

        .rg222-menu-item.active a::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--rg222-primary);
        }

        /* Hero 区 - 独特对角线视觉 */
        .rg222-hero {
            position: relative;
            padding: 160px 0 100px;
            background: #fafafa;
            overflow: hidden;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }

        .rg222-hero-bg {
            position: absolute;
            top: -20%;
            right: -10%;
            width: 60%;
            height: 140%;
            background: var(--rg222-aurora-gradient);
            transform: rotate(-15deg);
            opacity: 0.15;
            filter: blur(80px);
            z-index: 1;
        }

        .rg222-hero-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .rg222-hero-content {
            flex: 1;
            min-width: 320px;
            padding-right: 48px;
        }

        .rg222-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--rg222-dark);
            letter-spacing: -1px;
        }

        .rg222-hero-subtitle {
            font-size: clamp(1.1rem, 1vw + 0.8rem, 1.5rem);
            color: #666;
            margin-bottom: 40px;
            max-width: 600px;
        }

        .rg222-hero-visual {
            flex: 1;
            min-width: 320px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .rg222-ai-core {
            width: 100%;
            max-width: 500px;
            aspect-ratio: 1/1;
            background: #fff;
            border-radius: 40px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.1);
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 40px;
            border: 1px solid rgba(255,255,255,0.8);
        }

        .rg222-pulse-dot {
            position: absolute;
            width: 12px;
            height: 12px;
            background: var(--rg222-primary);
            border-radius: 50%;
            top: 20px;
            right: 20px;
            box-shadow: 0 0 15px var(--rg222-primary);
            animation: rg222-pulse 2s infinite;
        }

        @keyframes rg222-pulse {
            0% { transform: scale(1); opacity: 1; }
            100% { transform: scale(3); opacity: 0; }
        }

        /* 产品模块区 */
        .rg222-section {
            padding: 96px 0;
            word-break: keep-all;
        }

        .rg222-section-head {
            text-align: center;
            margin-bottom: 64px;
        }

        .rg222-tag {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(255,77,79,0.1);
            color: var(--rg222-primary);
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .rg222-section-title {
            font-size: clamp(1.8rem, 3vw + 0.5rem, 2.5rem);
            font-weight: 700;
        }

        .rg222-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
            gap: 32px;
        }

        .rg222-card {
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid #eee;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .rg222-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 60px rgba(0,0,0,0.08);
            border-color: var(--rg222-primary);
        }

        .rg222-card-icon {
            width: 48px;
            height: 48px;
            background: var(--rg222-aurora-gradient);
            border-radius: 12px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
        }

        .rg222-card-name {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .rg222-feature-list {
            list-style: none;
        }

        .rg222-feature-item {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
            color: #555;
            font-size: 15px;
        }

        .rg222-feature-item::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--rg222-primary);
            font-weight: bold;
        }

        /* 动态内容区块 */
        .rg222-dynamic-box {
            background: var(--rg222-dark);
            color: #fff;
            border-radius: 32px;
            padding: 64px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .rg222-dynamic-text {
            flex: 1;
            min-width: 300px;
        }

        .rg222-dynamic-title {
            font-size: 2rem;
            margin-bottom: 16px;
        }

        .rg222-btn {
            display: inline-block;
            padding: 14px 32px;
            background: var(--rg222-primary);
            color: #fff;
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .rg222-btn:hover {
            background: #ff7875;
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(255,77,79,0.3);
        }

        /* 页脚 */
        .rg222-footer {
            background: #f8f9fa;
            padding: 80px 0 40px;
            border-top: 1px solid #eee;
        }

        .rg222-footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 64px;
        }

        .rg222-footer-brand {
            flex: 1;
            min-width: 240px;
        }

        .rg222-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--rg222-dark);
            margin-bottom: 16px;
        }

        .rg222-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            flex: 2;
            min-width: 300px;
        }

        .rg222-footer-col h4 {
            margin-bottom: 20px;
            font-size: 16px;
        }

        .rg222-footer-col ul {
            list-style: none;
        }

        .rg222-footer-col li {
            margin-bottom: 10px;
        }

        .rg222-footer-col a {
            color: #666;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .rg222-footer-col a:hover {
            color: var(--rg222-primary);
        }

        .rg222-copyright {
            padding-top: 32px;
            border-top: 1px solid #eee;
            text-align: center;
            color: #999;
            font-size: 13px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .rg222-hero-content { padding-right: 0; text-align: center; margin-bottom: 48px; }
            .rg222-hero-inner { flex-direction: column; }
            .rg222-hero-subtitle { margin-left: auto; margin-right: auto; }
        }

        @media (max-width: 768px) {
            .rg222-nav-container { flex-direction: column; gap: 16px; }
            .rg222-menu { justify-content: center; gap: 12px; }
            .rg222-menu-item a { font-size: 13px; }
            .rg222-grid { grid-template-columns: 1fr; }
            .rg222-dynamic-box { padding: 32px; text-align: center; }
            .rg222-hero { padding-top: 140px; }
        }