:root {
            --umkciz-primary: #ff6600;
            --umkciz-primary-light: #ff8533;
            --umkciz-dark: #1d1d1f;
            --umkciz-gray: #86868b;
            --umkciz-bg-light: #f5f5f7;
            --umkciz-white: #ffffff;
            --umkciz-radius: 16px;
            --umkciz-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "SF Pro SC","SF Pro Display","SF Pro Icons","PingFang SC","Helvetica Neue","Helvetica","Arial",sans-serif;
            background-color: var(--umkciz-bg-light);
            color: var(--umkciz-dark);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 布局容器 */
        .umkciz-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 48px;
            width: 100%;
        }

        @media (max-width: 768px) {
            .umkciz-container {
                padding: 0 24px;
            }
        }

        /* 导航栏 */
        .umkciz-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: var(--umkciz-transition);
        }

        .umkciz-nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            flex-wrap: wrap;
        }

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

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

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

        .umkciz-nav-item a {
            text-decoration: none;
            color: var(--umkciz-dark);
            font-size: 14px;
            font-weight: 500;
            transition: var(--umkciz-transition);
            word-break: keep-all;
        }

        .umkciz-nav-item a:hover,
        .umkciz-nav-item a.umkciz-active {
            color: var(--umkciz-primary);
        }

        /* Hero 区块 - 独特非对称布局 */
        .umkciz-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: linear-gradient(135deg, #fff 0%, #fff5f0 100%);
            overflow: hidden;
        }

        .umkciz-hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .umkciz-hero-content {
            flex: 1;
            min-width: 300px;
        }

        .umkciz-hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--umkciz-dark);
            white-space: normal;
        }

        .umkciz-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.5rem);
            color: var(--umkciz-gray);
            margin-bottom: 48px;
            max-width: 600px;
        }

        .umkciz-hero-visual {
            flex: 1;
            min-width: 300px;
            position: relative;
        }

        /* 模拟皮肤展示卡片 */
        .umkciz-skin-mockup {
            background: var(--umkciz-white);
            border-radius: 24px;
            padding: 32px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            position: relative;
            transform: perspective(1000px) rotateY(-10deg);
            transition: var(--umkciz-transition);
        }

        .umkciz-skin-mockup:hover {
            transform: perspective(1000px) rotateY(0deg) translateY(-10px);
        }

        .umkciz-mock-input {
            border-bottom: 2px solid var(--umkciz-primary);
            padding: 8px 0;
            font-size: 24px;
            margin-bottom: 24px;
            font-weight: 600;
        }

        .umkciz-mock-candidates {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .umkciz-candidate {
            background: var(--umkciz-bg-light);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 18px;
        }

        /* 分类区块 */
        .umkciz-section {
            padding: 96px 0;
        }

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

        .umkciz-section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .umkciz-grid-skins {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 32px;
        }

        .umkciz-skin-card {
            background: var(--umkciz-white);
            border-radius: var(--umkciz-radius);
            overflow: hidden;
            transition: var(--umkciz-transition);
            border: 1px solid rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
        }

        .umkciz-skin-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.08);
        }

        .umkciz-skin-thumb {
            aspect-ratio: 16/10;
            background: #eee;
            width: 100%;
            position: relative;
            overflow: hidden;
        }

        /* 渐变占位背景，代替无图片 */
        .umkciz-thumb-gradient-1 { background: linear-gradient(45deg, #ff9a9e 0%, #fad0c4 99%, #fad0c4 100%); }
        .umkciz-thumb-gradient-2 { background: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%); }
        .umkciz-thumb-gradient-3 { background: linear-gradient(to top, #cfd9df 0%, #e2ebf0 100%); }
        .umkciz-thumb-gradient-4 { background: linear-gradient(to right, #4facfe 0%, #00f2fe 100%); }

        .umkciz-skin-info {
            padding: 24px;
        }

        .umkciz-skin-name {
            font-weight: 600;
            font-size: 18px;
            margin-bottom: 8px;
        }

        .umkciz-skin-meta {
            color: var(--umkciz-gray);
            font-size: 14px;
            margin-bottom: 16px;
        }

        .umkciz-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--umkciz-transition);
            cursor: pointer;
            border: none;
        }

        .umkciz-btn-primary {
            background: var(--umkciz-primary);
            color: var(--umkciz-white);
        }

        .umkciz-btn-primary:hover {
            background: var(--umkciz-primary-light);
            box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
        }

        /* 动态内容区块 */
        .umkciz-article-section {
            background: #fff;
        }

        .umkciz-article-card {
            display: flex;
            gap: 24px;
            padding: 24px;
            border-bottom: 1px solid #eee;
            min-width: 0;
            flex-wrap: wrap;
        }

        .umkciz-article-content {
            flex: 1;
            min-width: 280px;
        }

        .umkciz-article-content h3 {
            margin-bottom: 12px;
            font-size: 20px;
        }

        /* 页脚 */
        .umkciz-footer {
            background: var(--umkciz-dark);
            color: #888;
            padding: 64px 0 32px;
        }

        .umkciz-footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            margin-bottom: 48px;
        }

        .umkciz-footer-col {
            flex: 1;
            min-width: 200px;
        }

        .umkciz-footer-brand {
            color: var(--umkciz-white);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .umkciz-footer-link {
            display: block;
            color: #888;
            text-decoration: none;
            margin-bottom: 12px;
            font-size: 14px;
            transition: var(--umkciz-transition);
        }

        .umkciz-footer-link:hover {
            color: var(--umkciz-white);
        }

        .umkciz-copyright {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid #333;
            font-size: 12px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .umkciz-hero-grid {
                flex-direction: column;
                text-align: center;
            }
            .umkciz-hero-content {
                display: flex;
                flex-direction: column;
                align-items: center;
            }
            .umkciz-skin-mockup {
                transform: none;
            }
        }

        @media (max-width: 768px) {
            .umkciz-nav-list {
                display: none; /* 简化移动端展示 */
            }
            .umkciz-section {
                padding: 64px 0;
            }
        }