:root {
            --umkciz-primary: #ff6600;
            --umkciz-primary-hover: #e55c00;
            --umkciz-bg-light: #fdfdfd;
            --umkciz-bg-dark: #1a1a1a;
            --umkciz-text-main: #333333;
            --umkciz-text-muted: #666666;
            --umkciz-glass: rgba(255, 255, 255, 0.8);
            --umkciz-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --umkciz-radius: 16px;
            --umkciz-container-width: 1300px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
            color: var(--umkciz-text-main);
            background-color: var(--umkciz-bg-light);
            line-height: 1.6;
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .umkciz-navbar {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: var(--umkciz-glass);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .umkciz-nav-container {
            max-width: var(--umkciz-container-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

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

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

        .umkciz-menu {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 16px;
            min-width: 0;
        }

        .umkciz-menu li a {
            text-decoration: none;
            color: var(--umkciz-text-main);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.3s;
        }

        .umkciz-menu li a:hover {
            color: var(--umkciz-primary);
            background: rgba(255, 102, 0, 0.05);
        }

        .umkciz-menu li a.active {
            color: var(--umkciz-primary);
            position: relative;
        }

        .umkciz-menu li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 12px;
            height: 3px;
            background: var(--umkciz-primary);
            border-radius: 2px;
        }

        /* Hero 区块 - 独特非对称布局 */
        .umkciz-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at top right, rgba(255, 102, 0, 0.05), transparent 40%),
                        radial-gradient(circle at bottom left, rgba(255, 102, 0, 0.03), transparent 30%);
            position: relative;
            overflow: hidden;
        }

        .umkciz-hero-container {
            max-width: var(--umkciz-container-width);
            margin: 0 auto;
            padding: 0 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .umkciz-hero-content {
            flex: 1;
            min-width: 320px;
            max-width: 600px;
            word-break: break-word;
        }

        .umkciz-hero-tag {
            display: inline-block;
            background: rgba(255, 102, 0, 0.1);
            color: var(--umkciz-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 14px;
            margin-bottom: 24px;
        }

        .umkciz-hero-title {
            font-size: clamp(2rem, 4vw + 0.5rem, 3.5rem);
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 24px;
            color: #111;
        }

        .umkciz-hero-subtitle {
            font-size: clamp(1rem, 1vw + 0.5rem, 1.25rem);
            color: var(--umkciz-text-muted);
            margin-bottom: 40px;
            max-width: 500px;
            line-height: 1.8;
        }

        .umkciz-hero-visual {
            flex: 1;
            min-width: 320px;
            display: flex;
            justify-content: center;
            position: relative;
        }

        /* 手写板独特视觉元素 */
        .umkciz-handwriting-canvas {
            width: 100%;
            max-width: 500px;
            height: 350px;
            background: white;
            border-radius: 24px;
            box-shadow: 0 40px 80px rgba(0,0,0,0.1);
            border: 8px solid #f0f0f0;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.4s ease;
        }
        
        .umkciz-handwriting-canvas:hover {
            transform: translateY(-10px) rotate(1deg);
        }

        .umkciz-ink-path {
            position: absolute;
            width: 80%;
            height: 60%;
            border: 2px dashed #ddd;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            color: #eee;
            user-select: none;
        }

        .umkciz-ink-stroke {
            font-family: "Kaiti", serif;
            font-size: 120px;
            color: var(--umkciz-primary);
            opacity: 0.9;
            filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.1));
        }

        /* 下载按钮组 */
        .umkciz-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .umkciz-btn-primary {
            background: linear-gradient(135deg, var(--umkciz-primary), #ff8c00);
            color: white;
            padding: 18px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            box-shadow: 0 10px 20px rgba(255, 102, 0, 0.3);
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
        }

        .umkciz-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 102, 0, 0.4);
            filter: brightness(1.1);
        }

        /* 核心优势区块 */
        .umkciz-section {
            padding: 96px 24px;
            max-width: var(--umkciz-container-width);
            margin: 0 auto;
        }

        .umkciz-section-title {
            text-align: center;
            margin-bottom: 64px;
        }

        .umkciz-section-title h2 {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 16px;
        }

        .umkciz-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .umkciz-card {
            background: white;
            padding: 48px;
            border-radius: var(--umkciz-radius);
            box-shadow: var(--umkciz-shadow);
            border: 1px solid rgba(0,0,0,0.03);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .umkciz-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--umkciz-primary);
            transition: height 0.3s;
        }

        .umkciz-card:hover {
            transform: translateY(-8px);
        }

        .umkciz-card:hover::before {
            height: 100%;
        }

        .umkciz-card-icon {
            font-size: 40px;
            margin-bottom: 24px;
            display: block;
        }

        .umkciz-card h3 {
            font-size: 22px;
            margin-bottom: 16px;
        }

        .umkciz-card p {
            color: var(--umkciz-text-muted);
            font-size: 16px;
            line-height: 1.7;
        }

        /* 指南区块 */
        .umkciz-guide-box {
            background: var(--umkciz-bg-dark);
            color: white;
            border-radius: 32px;
            padding: 80px 48px;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
        }

        .umkciz-guide-text {
            flex: 1;
            min-width: 300px;
        }

        .umkciz-guide-text h2 {
            font-size: 32px;
            margin-bottom: 24px;
        }

        .umkciz-step-list {
            list-style: none;
        }

        .umkciz-step-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
        }

        .umkciz-step-num {
            width: 32px;
            height: 32px;
            background: var(--umkciz-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: bold;
        }

        /* 动态内容标记区块 */
        .umkciz-news-section {
            background: #f8f9fa;
            border-radius: 40px;
            padding: 64px;
            margin-bottom: 96px;
        }

        /* 页脚 */
        .umkciz-footer {
            background: #fff;
            padding: 64px 24px;
            border-top: 1px solid #eee;
        }

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

        .umkciz-footer-brand {
            max-width: 300px;
        }

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

        .umkciz-footer-links {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }

        .umkciz-footer-col h4 {
            margin-bottom: 24px;
            font-size: 16px;
        }

        .umkciz-footer-col ul {
            list-style: none;
        }

        .umkciz-footer-col ul li {
            margin-bottom: 12px;
        }

        .umkciz-footer-col ul li a {
            text-decoration: none;
            color: var(--umkciz-text-muted);
            transition: color 0.3s;
        }

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

        .umkciz-copyright {
            text-align: center;
            padding-top: 48px;
            margin-top: 48px;
            border-top: 1px solid #f0f0f0;
            color: #999;
            font-size: 14px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .umkciz-hero-container {
                flex-direction: column;
                text-align: center;
            }
            .umkciz-hero-content {
                margin-bottom: 64px;
            }
            .umkciz-cta-group {
                justify-content: center;
            }
            .umkciz-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
        }

        @media (max-width: 768px) {
            .umkciz-nav-container {
                height: auto;
                padding: 16px;
            }
            .umkciz-menu {
                margin-top: 16px;
                justify-content: center;
            }
            .umkciz-grid {
                grid-template-columns: 1fr;
            }
            .umkciz-guide-box {
                padding: 48px 24px;
            }
            .umkciz-hero {
                padding-top: 120px;
            }
        }