:root {
            --rc1gu-primary: #D33833;
            --rc1gu-primary-dark: #B22D29;
            --rc1gu-secondary: #FF5722;
            --rc1gu-text-main: #1D1D1F;
            --rc1gu-text-sub: #424245;
            --rc1gu-bg-light: #F5F5F7;
            --rc1gu-white: #FFFFFF;
            --rc1gu-accent: #0071E3;
            --rc1gu-border: #D2D2D7;
            --rc1gu-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --rc1gu-radius: 16px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--rc1gu-text-main);
            background-color: var(--rc1gu-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .rc1gu-header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .rc1gu-nav-container {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .rc1gu-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .rc1gu-logo img {
            height: 32px;
            width: auto;
        }

        .rc1gu-nav-list {
            display: flex;
            list-style: none;
            gap: 24px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .rc1gu-nav-item a {
            text-decoration: none;
            color: var(--rc1gu-text-sub);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

        .rc1gu-nav-item a:hover {
            color: var(--rc1gu-primary);
        }

        .rc1gu-nav-item.active a {
            color: var(--rc1gu-primary);
            font-weight: 600;
        }

        /* Hero 区块 */
        .rc1gu-hero {
            padding: 160px 24px 96px;
            background: radial-gradient(circle at top right, #fff5f5 0%, #ffffff 50%);
            text-align: center;
            overflow: hidden;
        }

        .rc1gu-hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .rc1gu-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
            word-break: keep-all;
        }

        .rc1gu-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--rc1gu-text-sub);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            word-break: break-word;
        }

        .rc1gu-hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            min-width: 0;
        }

        .rc1gu-btn-primary {
            background: linear-gradient(135deg, var(--rc1gu-primary), var(--rc1gu-secondary));
            color: white;
            padding: 16px 40px;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 10px 20px rgba(211, 56, 51, 0.2);
        }

        .rc1gu-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(211, 56, 51, 0.3);
        }

        /* 核心简历展示区 */
        .rc1gu-template-section {
            padding: 96px 24px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .rc1gu-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .rc1gu-section-tag {
            color: var(--rc1gu-primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 12px;
            display: block;
        }

        .rc1gu-grid-layout {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 32px;
        }

        .rc1gu-card {
            background: var(--rc1gu-white);
            border: 1px solid var(--rc1gu-border);
            border-radius: var(--rc1gu-radius);
            padding: 40px;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .rc1gu-card:hover {
            transform: translateY(-8px);
            border-color: var(--rc1gu-primary);
            box-shadow: var(--rc1gu-shadow);
        }

        .rc1gu-card-sector {
            font-size: 14px;
            color: var(--rc1gu-primary);
            font-weight: 600;
            margin-bottom: 16px;
        }

        .rc1gu-card-title {
            font-size: 24px;
            margin-bottom: 16px;
            word-break: keep-all;
        }

        .rc1gu-card-workflow {
            font-size: 16px;
            color: var(--rc1gu-text-sub);
            margin-bottom: 24px;
            word-break: break-word;
        }

        .rc1gu-card-advantage {
            background: var(--rc1gu-bg-light);
            padding: 16px;
            border-radius: 12px;
            font-size: 14px;
            color: var(--rc1gu-text-main);
            border-left: 4px solid var(--rc1gu-primary);
        }

        /* 安全防护区块 - 独特的不对称布局 */
        .rc1gu-security-block {
            background: #000;
            color: #fff;
            padding: 96px 24px;
            margin: 64px 0;
        }

        .rc1gu-security-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
        }

        .rc1gu-security-text {
            flex: 1;
            min-width: 300px;
        }

        .rc1gu-security-title {
            font-size: 42px;
            margin-bottom: 32px;
            color: #fff;
        }

        .rc1gu-security-item {
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid #333;
            min-width: 0;
        }

        .rc1gu-security-level {
            font-weight: 700;
            color: var(--rc1gu-primary);
            margin-bottom: 8px;
        }

        .rc1gu-security-detail {
            color: #ccc;
            font-size: 15px;
            margin-bottom: 8px;
            word-break: break-word;
        }

        .rc1gu-security-impl {
            color: #888;
            font-size: 13px;
            font-style: italic;
        }

        /* 新闻资讯区块 */
        .rc1gu-news-section {
            padding: 96px 24px;
            background: var(--rc1gu-bg-light);
        }

        .rc1gu-news-container {
            max-width: 1100px;
            margin: 0 auto;
        }

        /* 页脚 */
        .rc1gu-footer {
            padding: 80px 24px 40px;
            border-top: 1px solid var(--rc1gu-border);
            background: var(--rc1gu-white);
        }

        .rc1gu-footer-grid {
            max-width: 1320px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .rc1gu-footer-brand h2 {
            font-size: 20px;
            margin-bottom: 16px;
            color: var(--rc1gu-primary);
        }

        .rc1gu-footer-links h3 {
            font-size: 16px;
            margin-bottom: 20px;
        }

        .rc1gu-footer-links ul {
            list-style: none;
        }

        .rc1gu-footer-links li {
            margin-bottom: 12px;
        }

        .rc1gu-footer-links a {
            text-decoration: none;
            color: var(--rc1gu-text-sub);
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .rc1gu-footer-links a:hover {
            color: var(--rc1gu-primary);
        }

        .rc1gu-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid var(--rc1gu-border);
            color: #888;
            font-size: 12px;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .rc1gu-nav-list {
                display: none; /* 简化移动端，实际项目中需汉堡菜单 */
            }
            .rc1gu-hero-title {
                font-size: 32px;
            }
            .rc1gu-grid-layout {
                grid-template-columns: 1fr;
            }
            .rc1gu-security-title {
                font-size: 28px;
            }
        }