:root {
            --u25mzy-primary: #D32F2F;
            --u25mzy-primary-dark: #B71C1C;
            --u25mzy-accent: #448AFF;
            --u25mzy-text: #2C3E50;
            --u25mzy-text-light: #7F8C8D;
            --u25mzy-bg: #FFFFFF;
            --u25mzy-section-alt: #F8F9FA;
            --u25mzy-glass: rgba(255, 255, 255, 0.9);
            --u25mzy-radius: 16px;
            --u25mzy-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --u25mzy-container-width: 1100px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--u25mzy-text);
            line-height: 1.7;
            background-color: var(--u25mzy-bg);
            overflow-x: hidden;
        }

        /* 布局基础 */
        .u25mzy-container {
            max-width: var(--u25mzy-container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .u25mzy-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .u25mzy-flex-child {
            min-width: 0;
        }

        /* 文本规范 */
        h1, h2, h3, h4 {
            word-break: keep-all;
            white-space: normal;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        p {
            word-break: break-word;
            overflow-wrap: break-word;
            margin-bottom: 16px;
        }

        /* 导航栏 */
        .u25mzy-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--u25mzy-glass);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .u25mzy-nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .u25mzy-logo {
            flex-shrink: 0;
        }

        .u25mzy-logo img {
            height: 36px;
            width: auto;
            display: block;
        }

        .u25mzy-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
        }

        .u25mzy-nav-item a {
            text-decoration: none;
            color: var(--u25mzy-text);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

        .u25mzy-nav-item a:hover {
            color: var(--u25mzy-primary);
            background: rgba(211, 47, 47, 0.05);
        }

        .u25mzy-nav-item.active a {
            color: #FFFFFF;
            background: var(--u25mzy-primary);
        }

        /* Hero 区块 - 独特非对称布局 */
        .u25mzy-hero {
            padding: 160px 0 96px;
            background: radial-gradient(circle at 90% 10%, rgba(211, 47, 47, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(68, 138, 255, 0.05) 0%, transparent 40%);
            position: relative;
        }

        .u25mzy-hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .u25mzy-hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            background: linear-gradient(135deg, #2C3E50 0%, #D32F2F 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .u25mzy-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            color: var(--u25mzy-text-light);
            margin-bottom: 32px;
            max-width: 600px;
        }

        /* 动态同步核心视觉 */
        .u25mzy-sync-visual {
            position: relative;
            height: 400px;
            background: white;
            border-radius: var(--u25mzy-radius);
            box-shadow: var(--u25mzy-shadow);
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }

        .u25mzy-sync-pulse {
            width: 120px;
            height: 120px;
            background: var(--u25mzy-primary);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 40px;
            position: relative;
            z-index: 2;
        }

        .u25mzy-sync-pulse::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border: 2px solid var(--u25mzy-primary);
            border-radius: 50%;
            animation: u25mzy-ripple 3s infinite ease-out;
        }

        @keyframes u25mzy-ripple {
            0% { transform: scale(1); opacity: 1; }
            100% { transform: scale(3); opacity: 0; }
        }

        /* 场景化解决方案区块 */
        .u25mzy-section {
            padding: 96px 0;
        }

        .u25mzy-section-title {
            text-align: center;
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            margin-bottom: 64px;
        }

        .u25mzy-scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .u25mzy-scenario-card {
            background: var(--u25mzy-bg);
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: var(--u25mzy-radius);
            padding: 40px;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            position: relative;
            overflow: hidden;
        }

        .u25mzy-scenario-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .u25mzy-scenario-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(211, 47, 47, 0.1);
            color: var(--u25mzy-primary);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .u25mzy-workflow-box {
            background: var(--u25mzy-section-alt);
            padding: 20px;
            border-radius: 12px;
            margin-top: 24px;
            font-size: 15px;
            border-left: 4px solid var(--u25mzy-accent);
        }

        /* 客户案例 - 独特磁贴布局 */
        .u25mzy-success-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .u25mzy-success-item {
            flex: 1;
            min-width: 300px;
            background: var(--u25mzy-text);
            color: white;
            padding: 48px;
            border-radius: var(--u25mzy-radius);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .u25mzy-success-item:nth-child(even) {
            background: var(--u25mzy-primary);
        }

        .u25mzy-outcome {
            font-size: 24px;
            font-weight: 700;
            margin-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.2);
            padding-top: 24px;
        }

        /* 步骤引导区 */
        .u25mzy-steps-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .u25mzy-step-box {
            text-align: center;
            padding: 32px;
        }

        .u25mzy-step-icon {
            width: 64px;
            height: 64px;
            background: var(--u25mzy-primary);
            color: white;
            border-radius: 50%;
            line-height: 64px;
            margin: 0 auto 24px;
            font-size: 24px;
            font-weight: 800;
        }

        /* 页脚 */
        .u25mzy-footer {
            background: #1a1a1a;
            color: #ecf0f1;
            padding: 80px 0 40px;
        }

        .u25mzy-footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 48px;
            margin-bottom: 64px;
        }

        .u25mzy-footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: white;
            margin-bottom: 24px;
        }

        .u25mzy-footer-links h4 {
            color: white;
            margin-bottom: 24px;
        }

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

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

        .u25mzy-footer-links a {
            color: #95a5a6;
            text-decoration: none;
            transition: color 0.3s;
        }

        .u25mzy-footer-links a:hover {
            color: var(--u25mzy-primary);
        }

        .u25mzy-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
            font-size: 14px;
            color: #7f8c8d;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .u25mzy-hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .u25mzy-hero-subtitle {
                margin: 0 auto 32px;
            }
            .u25mzy-nav-menu {
                display: none; /* 简化演示，实际应有汉堡菜单 */
            }
        }

        @media (max-width: 768px) {
            .u25mzy-steps-container {
                grid-template-columns: 1fr;
            }
            .u25mzy-footer-grid {
                grid-template-columns: 1fr;
            }
            .u25mzy-section {
                padding: 64px 0;
            }
        }

        /* 按钮样式 */
        .u25mzy-btn {
            display: inline-block;
            padding: 16px 36px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            cursor: pointer;
        }

        .u25mzy-btn-primary {
            background: var(--u25mzy-primary);
            color: white;
            box-shadow: 0 10px 20px rgba(211, 47, 47, 0.2);
        }

        .u25mzy-btn-primary:hover {
            background: var(--u25mzy-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(211, 47, 47, 0.3);
        }