:root {
            --mpr9yq-primary: #A855F7;
            --mpr9yq-primary-dark: #7E22CE;
            --mpr9yq-bg: #0F172A;
            --mpr9yq-surface: #1E293B;
            --mpr9yq-text-main: #F1F5F9;
            --mpr9yq-text-dim: #94A3B8;
            --mpr9yq-accent: #38BDF8;
            --mpr9yq-spacing-unit: 8px;
            --mpr9yq-container-max: 1100px;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background-color: var(--mpr9yq-bg);
            color: var(--mpr9yq-text-main);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 导航栏 */
        .mpr9yq-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 23, 42, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mpr9yq-nav-inner {
            max-width: var(--mpr9yq-container-max);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
        }

        .mpr9yq-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .mpr9yq-logo img {
            height: 32px;
            display: block;
        }

        .mpr9yq-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 12px;
            margin: 0;
            padding: 0;
        }

        .mpr9yq-nav-item {
            min-width: 0;
        }

        .mpr9yq-nav-link {
            color: var(--mpr9yq-text-dim);
            text-decoration: none;
            font-size: 14px;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .mpr9yq-nav-link:hover {
            color: var(--mpr9yq-primary);
            background: rgba(168, 85, 247, 0.1);
        }

        .mpr9yq-nav-link.active {
            color: white;
            background: var(--mpr9yq-primary);
            box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
        }

        /* Hero 区块 - 独特非对称布局 */
        .mpr9yq-hero {
            padding: 160px 24px 80px;
            background: radial-gradient(circle at top right, rgba(168, 85, 247, 0.15), transparent);
            position: relative;
        }

        .mpr9yq-hero-container {
            max-width: var(--mpr9yq-container-max);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .mpr9yq-hero-content {
            flex: 1 1 500px;
            min-width: 0;
        }

        .mpr9yq-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 0%, #A855F7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: break-word;
        }

        .mpr9yq-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--mpr9yq-text-dim);
            max-width: 600px;
            margin-bottom: 32px;
            word-break: break-word;
        }

        .mpr9yq-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(168, 85, 247, 0.2);
            border: 1px solid var(--mpr9yq-primary);
            color: var(--mpr9yq-primary);
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        /* 核心步骤区块 - 时间轴风格 */
        .mpr9yq-section {
            padding: 80px 24px;
            max-width: var(--mpr9yq-container-max);
            margin: 0 auto;
        }

        .mpr9yq-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .mpr9yq-section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .mpr9yq-steps-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .mpr9yq-step-card {
            flex: 1 1 300px;
            min-width: 0;
            background: var(--mpr9yq-surface);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: transform 0.3s ease;
            position: relative;
        }

        .mpr9yq-step-card:hover {
            transform: translateY(-8px);
            border-color: var(--mpr9yq-primary);
        }

        .mpr9yq-step-number {
            position: absolute;
            top: -20px;
            left: 40px;
            width: 50px;
            height: 50px;
            background: var(--mpr9yq-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.5rem;
            box-shadow: 0 8px 16px rgba(168, 85, 247, 0.4);
        }

        .mpr9yq-step-card h3 {
            margin-top: 10px;
            margin-bottom: 16px;
            color: var(--mpr9yq-primary);
        }

        /* 协议矩阵区块 */
        .mpr9yq-matrix-box {
            background: linear-gradient(180deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0.5) 100%);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 32px;
            margin-top: 48px;
        }

        .mpr9yq-matrix-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding-bottom: 24px;
        }

        .mpr9yq-matrix-row:last-child {
            border-bottom: none;
            margin-bottom: 0;
        }

        .mpr9yq-matrix-label {
            flex: 0 0 180px;
            color: var(--mpr9yq-accent);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .mpr9yq-matrix-value {
            flex: 1 1 400px;
            min-width: 0;
        }

        .mpr9yq-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mpr9yq-tag {
            background: rgba(56, 189, 248, 0.1);
            color: var(--mpr9yq-accent);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 13px;
        }

        /* 功能展示区 */
        .mpr9yq-feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .mpr9yq-feature-item {
            background: #1E293B;
            border-radius: 16px;
            padding: 32px;
            border-left: 4px solid var(--mpr9yq-primary);
        }

        .mpr9yq-feature-item h4 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

        .mpr9yq-feature-desc {
            color: var(--mpr9yq-text-dim);
            font-size: 14px;
            margin-bottom: 16px;
        }

        .mpr9yq-value-prop {
            color: var(--mpr9yq-accent);
            font-weight: 600;
            font-size: 14px;
        }

        /* 动态内容标记区块 */
        .mpr9yq-dynamic-section {
            background: rgba(168, 85, 247, 0.05);
            border-radius: 32px;
            padding: 64px 40px;
            margin-top: 80px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .mpr9yq-nav-inner {
                padding: 12px 16px;
            }
            .mpr9yq-nav-menu {
                display: none; /* 在移动端可进一步优化为汉堡菜单 */
            }
            .mpr9yq-hero {
                padding-top: 120px;
                text-align: center;
            }
            .mpr9yq-hero-container {
                justify-content: center;
            }
            .mpr9yq-matrix-label {
                flex: 1 1 100%;
            }
        }

        /* 页脚 */
        .mpr9yq-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 64px 24px;
            text-align: center;
        }

        .mpr9yq-footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--mpr9yq-primary);
            margin-bottom: 16px;
        }

        .mpr9yq-footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
        }

        .mpr9yq-footer-link {
            color: var(--mpr9yq-text-dim);
            text-decoration: none;
            font-size: 14px;
        }

        .mpr9yq-copy {
            color: var(--mpr9yq-text-dim);
            font-size: 13px;
        }