:root {
            --u25mzy-primary: #D14424;
            --u25mzy-primary-light: #FF6B4A;
            --u25mzy-dark: #1F2937;
            --u25mzy-bg: #F9FAFB;
            --u25mzy-white: #FFFFFF;
            --u25mzy-gray: #6B7280;
            --u25mzy-accent: #00A2E8;
            --u25mzy-max-width: 1400px;
        }

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

        body {
            font-family: "Inter", "Microsoft YaHei", "PingFang SC", sans-serif;
            background-color: var(--u25mzy-bg);
            color: var(--u25mzy-dark);
            line-height: 1.6;
            word-break: break-word;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .u25mzy-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .u25mzy-nav-container {
            max-width: var(--u25mzy-max-width);
            margin: 0 auto;
            padding: 16px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

        .u25mzy-logo {
            flex-shrink: 0;
            min-width: 0;
            display: flex;
            align-items: center;
        }

        .u25mzy-logo img {
            height: 32px;
            width: auto;
        }

        .u25mzy-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .u25mzy-menu li a {
            text-decoration: none;
            color: var(--u25mzy-dark);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .u25mzy-menu li a:hover {
            color: var(--u25mzy-primary);
        }

        .u25mzy-menu li a.u25mzy-active {
            color: var(--u25mzy-primary);
            border-bottom: 2px solid var(--u25mzy-primary);
        }

        /* Hero 区 - 对角线分割布局 */
        .u25mzy-hero {
            padding: 160px 32px 96px;
            background: linear-gradient(135deg, #fff 50%, #fef2f2 50%);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .u25mzy-hero-content {
            max-width: 900px;
            text-align: center;
            min-width: 0;
            z-index: 2;
        }

        .u25mzy-hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 4.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--u25mzy-dark);
            word-break: keep-all;
        }

        .u25mzy-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--u25mzy-gray);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .u25mzy-download-console {
            background: var(--u25mzy-white);
            padding: 48px;
            border-radius: 24px;
            box-shadow: 0 20px 50px rgba(209, 68, 36, 0.1);
            display: inline-block;
            min-width: 320px;
            max-width: 100%;
            border: 1px solid rgba(209, 68, 36, 0.1);
            transition: transform 0.3s ease;
        }

        .u25mzy-download-console:hover {
            transform: translateY(-8px);
        }

        .u25mzy-btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(90deg, var(--u25mzy-primary), var(--u25mzy-primary-light));
            color: white;
            padding: 20px 64px;
            border-radius: 12px;
            font-size: 1.25rem;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 10px 20px rgba(209, 68, 36, 0.3);
            margin-bottom: 16px;
            transition: all 0.3s;
        }

        .u25mzy-btn-primary:hover {
            box-shadow: 0 15px 30px rgba(209, 68, 36, 0.4);
            filter: brightness(1.1);
        }

        .u25mzy-version-tag {
            font-size: 0.875rem;
            color: var(--u25mzy-gray);
        }

        /* 场景解决方案 - Grid布局 */
        .u25mzy-section {
            padding: 96px 32px;
            max-width: var(--u25mzy-max-width);
            margin: 0 auto;
        }

        .u25mzy-section-title {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 64px;
            font-weight: 800;
        }

        .u25mzy-scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 32px;
        }

        .u25mzy-scenario-card {
            background: var(--u25mzy-white);
            border-radius: 20px;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            border: 1px solid #edf2f7;
            transition: all 0.3s ease;
        }

        .u25mzy-scenario-card:hover {
            box-shadow: 0 12px 24px rgba(0,0,0,0.06);
            border-color: var(--u25mzy-primary-light);
        }

        .u25mzy-scenario-body {
            padding: 40px;
            flex: 1;
            min-width: 0;
        }

        .u25mzy-badge {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(209, 68, 36, 0.1);
            color: var(--u25mzy-primary);
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .u25mzy-scenario-title {
            font-size: 1.5rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .u25mzy-point-list {
            list-style: none;
            margin-bottom: 24px;
        }

        .u25mzy-point-list li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 8px;
            color: var(--u25mzy-gray);
        }

        .u25mzy-point-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--u25mzy-primary);
            font-weight: bold;
        }

        .u25mzy-architecture {
            background: #f8fafc;
            padding: 20px;
            border-radius: 12px;
            font-size: 0.9rem;
        }

        .u25mzy-architecture strong {
            color: var(--u25mzy-dark);
            display: block;
            margin-bottom: 8px;
        }

        /* 成功案例 - 交替混排 */
        .u25mzy-narrative-section {
            background-color: var(--u25mzy-dark);
            color: var(--u25mzy-white);
            padding: 96px 32px;
        }

        .u25mzy-narrative-container {
            max-width: 1100px;
            margin: 0 auto;
        }

        .u25mzy-narrative-item {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            align-items: center;
            margin-bottom: 96px;
        }

        .u25mzy-narrative-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .u25mzy-narrative-visual {
            flex: 1;
            min-width: 300px;
            background: linear-gradient(45deg, #2d3748, #4a5568);
            height: 300px;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
        }

        .u25mzy-narrative-text {
            flex: 1.2;
            min-width: 0;
        }

        .u25mzy-entity {
            font-size: 1.25rem;
            color: var(--u25mzy-primary-light);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .u25mzy-transformation {
            font-size: 1.75rem;
            margin-bottom: 24px;
            line-height: 1.4;
        }

        .u25mzy-outcome {
            background: rgba(255,255,255,0.05);
            padding: 24px;
            border-left: 4px solid var(--u25mzy-primary);
            font-style: italic;
        }

        /* 页脚 */
        .u25mzy-footer {
            background: #f3f4f6;
            padding: 64px 32px 32px;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .u25mzy-footer-content {
            max-width: var(--u25mzy-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .u25mzy-brand-footer {
            flex: 1;
            min-width: 250px;
        }

        .u25mzy-brand-name {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--u25mzy-dark);
            margin-bottom: 16px;
        }

        .u25mzy-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
        }

        .u25mzy-footer-group h4 {
            margin-bottom: 24px;
            font-size: 1rem;
            color: var(--u25mzy-dark);
        }

        .u25mzy-footer-group ul {
            list-style: none;
        }

        .u25mzy-footer-group ul li {
            margin-bottom: 12px;
        }

        .u25mzy-footer-group ul li a {
            text-decoration: none;
            color: var(--u25mzy-gray);
            font-size: 0.9rem;
            transition: color 0.3s;
        }

        .u25mzy-footer-group ul li a:hover {
            color: var(--u25mzy-primary);
        }

        .u25mzy-copyright {
            width: 100%;
            text-align: center;
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid rgba(0,0,0,0.05);
            color: var(--u25mzy-gray);
            font-size: 0.875rem;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .u25mzy-nav-container {
                padding: 16px;
            }
            .u25mzy-menu {
                gap: 12px;
            }
        }

        @media (max-width: 768px) {
            .u25mzy-menu {
                width: 100%;
                order: 3;
                justify-content: center;
                margin-top: 16px;
            }
            .u25mzy-hero {
                padding: 140px 24px 64px;
            }
            .u25mzy-scenario-grid {
                grid-template-columns: 1fr;
            }
            .u25mzy-narrative-item {
                flex-direction: column !important;
                gap: 32px;
            }
            .u25mzy-narrative-visual {
                width: 100%;
            }
        }