/* 基础重置与全局变量 */
        :root {
            --rg222-primary: #0052D4;
            --rg222-aurora-1: #4361ee;
            --rg222-aurora-2: #4cc9f0;
            --rg222-aurora-3: #7209b7;
            --rg222-text: #1d1d1f;
            --rg222-text-light: #86868b;
            --rg222-bg: #ffffff;
            --rg222-section-bg: #f5f5f7;
            --rg222-radius: 16px;
            --rg222-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: "SF Pro SC", "SF Pro Display", "PingFang SC", "Helvetica Neue", Helvetica, Arial, sans-serif;
            color: var(--rg222-text);
            background-color: var(--rg222-bg);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 布局容器 */
        .rg222-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 导航栏 */
        .rg222-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .rg222-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .rg222-logo {
            flex-shrink: 0;
            height: 32px;
            display: flex;
            align-items: center;
        }

        .rg222-logo img {
            height: 100%;
            width: auto;
        }

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

        .rg222-menu-item {
            min-width: 0;
        }

        .rg222-menu-link {
            text-decoration: none;
            color: var(--rg222-text);
            font-size: 14px;
            font-weight: 500;
            transition: var(--rg222-transition);
            opacity: 0.8;
        }

        .rg222-menu-link:hover {
            opacity: 1;
            color: var(--rg222-primary);
        }

        .rg222-menu-link.active {
            opacity: 1;
            color: var(--rg222-primary);
            font-weight: 600;
        }

        /* Hero 区 - 独特转换中心 */
        .rg222-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(circle at 50% -20%, #e0f2ff 0%, #ffffff 50%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .rg222-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #1d1d1f 0%, #4361ee 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: break-word;
        }

        .rg222-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--rg222-text-light);
            max-width: 700px;
            margin: 0 auto 48px;
            word-break: break-word;
        }

        /* 核心转换组件 */
        .rg222-converter-hub {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 32px;
            padding: 40px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
            backdrop-filter: blur(10px);
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
        }

        .rg222-dropzone {
            width: 100%;
            height: 280px;
            border: 2px dashed #d2d2d7;
            border-radius: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: var(--rg222-transition);
            cursor: pointer;
            background: #fafafa;
        }

        .rg222-dropzone:hover {
            border-color: var(--rg222-primary);
            background: #f0f7ff;
            transform: scale(1.01);
        }

        .rg222-dropzone-text {
            margin-top: 16px;
            font-weight: 600;
            font-size: 1.1rem;
        }

        .rg222-btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--rg222-aurora-1), var(--rg222-aurora-2));
            color: white;
            padding: 16px 48px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 24px;
            transition: var(--rg222-transition);
            box-shadow: 0 10px 20px rgba(67, 97, 238, 0.2);
        }

        .rg222-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(67, 97, 238, 0.3);
        }

        /* 极光套件展示 */
        .rg222-section {
            padding: 96px 0;
            overflow: hidden;
        }

        .rg222-section-alt {
            background-color: var(--rg222-section-bg);
        }

        .rg222-section-title {
            font-size: clamp(2rem, 3vw + 0.5rem, 3rem);
            margin-bottom: 48px;
            text-align: center;
            font-weight: 700;
        }

        .rg222-bento-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            min-width: 0;
        }

        .rg222-card {
            background: white;
            border-radius: var(--rg222-radius);
            padding: 40px;
            transition: var(--rg222-transition);
            border: 1px solid rgba(0, 0, 0, 0.03);
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .rg222-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
        }

        .rg222-card-tag {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            color: var(--rg222-aurora-1);
            margin-bottom: 12px;
            display: block;
        }

        .rg222-card-title {
            font-size: 24px;
            margin-bottom: 16px;
            font-weight: 700;
        }

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

        .rg222-feature-item {
            margin-bottom: 12px;
            color: var(--rg222-text-light);
            font-size: 15px;
            position: relative;
            padding-left: 24px;
        }

        .rg222-feature-item::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--rg222-aurora-2);
            font-weight: bold;
        }

        /* 动态排版视觉化区块 */
        .rg222-visual-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-top: 48px;
        }

        .rg222-visual-content {
            flex: 1;
            min-width: 300px;
        }

        .rg222-visual-demo {
            flex: 1;
            min-width: 300px;
            background: linear-gradient(135deg, #fdfcfb 0%, #e2d1c3 100%);
            height: 400px;
            border-radius: 24px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: inset 0 0 50px rgba(0,0,0,0.02);
        }

        .rg222-demo-box {
            width: 70%;
            height: 60%;
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            padding: 24px;
        }

        /* 页脚 */
        .rg222-footer {
            background: #1d1d1f;
            color: white;
            padding: 80px 0 40px;
        }

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

        .rg222-footer-brand {
            flex: 2;
            min-width: 280px;
        }

        .rg222-footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .rg222-footer-links {
            flex: 3;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 24px;
        }

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

        .rg222-footer-link {
            color: #86868b;
            text-decoration: none;
            font-size: 14px;
            transition: var(--rg222-transition);
            display: block;
            margin-bottom: 12px;
        }

        .rg222-footer-link:hover {
            color: white;
        }

        .rg222-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 32px;
            text-align: center;
            font-size: 12px;
            color: #86868b;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .rg222-nav {
                height: auto;
                padding: 16px;
                justify-content: center;
            }
            .rg222-menu {
                justify-content: center;
                margin-top: 16px;
                gap: 12px;
            }
            .rg222-hero {
                padding-top: 180px;
            }
            .rg222-visual-split {
                flex-direction: column;
            }
        }