:root {
            --hjuo-primary: #1a73e8;
            --hjuo-accent: #34a853;
            --hjuo-warning: #fbbc04;
            --hjuo-danger: #ea4335;
            --hjuo-bg: #f8f9fa;
            --hjuo-text: #202124;
            --hjuo-text-light: #5f6368;
            --hjuo-white: #ffffff;
            --hjuo-glass: rgba(255, 255, 255, 0.8);
            --hjuo-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --hjuo-radius: 20px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--hjuo-bg);
            color: var(--hjuo-text);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 布局容器 */
        .hjuo-container {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 导航栏 */
        .hjuo-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--hjuo-glass);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .hjuo-nav-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .hjuo-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .hjuo-logo img {
            height: 40px;
            width: auto;
        }

        .hjuo-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .hjuo-menu-item a {
            text-decoration: none;
            color: var(--hjuo-text);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 30px;
            transition: all 0.2s ease;
            font-size: 15px;
            white-space: nowrap;
        }

        .hjuo-menu-item a:hover {
            background: rgba(26, 115, 232, 0.1);
            color: var(--hjuo-primary);
        }

        .hjuo-menu-item a.hjuo-active {
            background: var(--hjuo-primary);
            color: var(--hjuo-white);
        }

        /* Hero 区域 - 独特的层叠设计 */
        .hjuo-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at 90% 10%, rgba(26, 115, 232, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(52, 168, 83, 0.05) 0%, transparent 40%);
            text-align: center;
            position: relative;
        }

        .hjuo-hero-badge {
            display: inline-block;
            padding: 6px 20px;
            background: var(--hjuo-white);
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--hjuo-primary);
            margin-bottom: 24px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
        }

        .hjuo-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--hjuo-text);
            margin-bottom: 24px;
            letter-spacing: -0.02em;
            word-break: keep-all;
        }

        .hjuo-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.4rem);
            color: var(--hjuo-text-light);
            max-width: 800px;
            margin: 0 auto 48px;
            line-height: 1.6;
        }

        /* 核心引擎区块 - 不规则Grid */
        .hjuo-engine-section {
            padding: 96px 0;
            background: #ffffff;
        }

        .hjuo-grid-layout {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .hjuo-card {
            background: var(--hjuo-bg);
            padding: 48px;
            border-radius: var(--hjuo-radius);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .hjuo-card:hover {
            transform: translateY(-10px);
            background: var(--hjuo-white);
            box-shadow: var(--hjuo-shadow);
            border-color: rgba(26, 115, 232, 0.1);
        }

        .hjuo-card-icon {
            width: 64px;
            height: 64px;
            background: var(--hjuo-white);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.05);
            font-size: 24px;
            font-weight: bold;
            color: var(--hjuo-primary);
        }

        .hjuo-card-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .hjuo-card-text {
            color: var(--hjuo-text-light);
            font-size: 16px;
            margin-bottom: 20px;
        }

        .hjuo-card-tag {
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            color: var(--hjuo-primary);
            background: rgba(26, 115, 232, 0.08);
            padding: 4px 12px;
            border-radius: 4px;
            align-self: flex-start;
        }

        /* 体验流程区块 - 错落式对齐 */
        .hjuo-flow-section {
            padding: 96px 0;
            background: var(--hjuo-bg);
        }

        .hjuo-flow-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 64px;
            gap: 48px;
            min-width: 0;
        }

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

        .hjuo-flow-content {
            flex: 1;
            min-width: 300px;
        }

        .hjuo-flow-visual {
            flex: 1;
            min-width: 300px;
            background: var(--hjuo-white);
            height: 300px;
            border-radius: var(--hjuo-radius);
            box-shadow: var(--hjuo-shadow);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .hjuo-flow-visual::before {
            content: '';
            position: absolute;
            width: 150%;
            height: 150%;
            background: conic-gradient(from 0deg, var(--hjuo-primary), var(--hjuo-accent), var(--hjuo-primary));
            opacity: 0.05;
            animation: rotate 20s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .hjuo-step-num {
            font-size: 80px;
            font-weight: 900;
            color: rgba(26, 115, 232, 0.1);
            line-height: 1;
            margin-bottom: -20px;
        }

        .hjuo-flow-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        /* 动态资讯区 */
        .hjuo-dynamic-section {
            padding: 96px 0;
            background: var(--hjuo-white);
        }

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

        .hjuo-article-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .hjuo-article-card {
            padding: 24px;
            border-bottom: 1px solid #eee;
            transition: all 0.3s ease;
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .hjuo-article-card:hover {
            background: var(--hjuo-bg);
            border-color: var(--hjuo-primary);
        }

        /* 页脚 */
        .hjuo-footer {
            background: var(--hjuo-text);
            color: #9aa0a6;
            padding: 80px 0 40px;
        }

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

        .hjuo-footer-brand {
            font-size: 24px;
            font-weight: 700;
            color: var(--hjuo-white);
            margin-bottom: 16px;
        }

        .hjuo-footer-links {
            list-style: none;
        }

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

        .hjuo-footer-links a {
            color: #9aa0a6;
            text-decoration: none;
            transition: color 0.2s;
        }

        .hjuo-footer-links a:hover {
            color: var(--hjuo-white);
        }

        .hjuo-copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 14px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hjuo-nav-inner {
                height: auto;
                padding: 16px 0;
            }
            .hjuo-menu {
                margin-top: 16px;
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .hjuo-hero {
                padding-top: 120px;
            }
            .hjuo-flow-item, .hjuo-flow-item:nth-child(even) {
                flex-direction: column;
                text-align: center;
            }
            .hjuo-flow-visual {
                width: 100%;
            }
            .hjuo-card {
                padding: 32px;
            }
        }