:root {
            --umkciz-primary: #ff6600;
            --umkciz-primary-dark: #e65c00;
            --umkciz-secondary: #2c3e50;
            --umkciz-bg-light: #f8f9fa;
            --umkciz-text-dark: #1a1a1a;
            --umkciz-text-gray: #666;
            --umkciz-white: #ffffff;
            --umkciz-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --umkciz-radius: 16px;
            --umkciz-container-width: 1100px;
        }

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

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

        /* 导航栏 */
        .umkciz-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

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

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

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

        .umkciz-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
        }

        .umkciz-menu li {
            min-width: 0;
        }

        .umkciz-menu a {
            text-decoration: none;
            color: var(--umkciz-text-dark);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
            position: relative;
            padding: 8px 0;
        }

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

        .umkciz-menu a.umkciz-active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--umkciz-primary);
            border-radius: 2px;
        }

        /* Hero 区块 */
        .umkciz-hero {
            padding: 160px 24px 80px;
            background: linear-gradient(135deg, #fff 0%, #fff5f0 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .umkciz-hero::before {
            content: "TREND";
            position: absolute;
            top: 50px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 200px;
            font-weight: 900;
            color: rgba(255, 102, 0, 0.03);
            z-index: 0;
            pointer-events: none;
        }

        .umkciz-hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .umkciz-hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            word-break: keep-all;
            color: var(--umkciz-text-dark);
        }

        .umkciz-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--umkciz-text-gray);
            margin-bottom: 40px;
            word-break: break-word;
        }

        .umkciz-cta-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        .umkciz-btn {
            display: inline-block;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            min-width: 180px;
        }

        .umkciz-btn-primary {
            background: var(--umkciz-primary);
            color: white;
            box-shadow: 0 10px 20px rgba(255, 102, 0, 0.2);
        }

        .umkciz-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 102, 0, 0.3);
            background: var(--umkciz-primary-dark);
        }

        /* 流行语卡片网格 */
        .umkciz-section {
            padding: 96px 24px;
            max-width: var(--umkciz-container-width);
            margin: 0 auto;
        }

        .umkciz-section-header {
            margin-bottom: 48px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-end;
            gap: 20px;
        }

        .umkciz-section-title {
            font-size: 2.5rem;
            font-weight: 700;
            word-break: keep-all;
        }

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

        .umkciz-card {
            background: var(--umkciz-white);
            border-radius: var(--umkciz-radius);
            padding: 32px;
            transition: all 0.4s ease;
            border: 1px solid rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
            word-break: break-word;
        }

        .umkciz-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--umkciz-shadow);
            border-color: var(--umkciz-primary);
        }

        .umkciz-card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: #fff5f0;
            color: var(--umkciz-primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 4px;
            margin-bottom: 16px;
        }

        .umkciz-card-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .umkciz-card-desc {
            color: var(--umkciz-text-gray);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .umkciz-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid #f0f0f0;
        }

        .umkciz-download-count {
            font-size: 14px;
            color: #999;
        }

        .umkciz-card-btn {
            color: var(--umkciz-primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 15px;
        }

        /* 动态内容区 - 分类展示 */
        .umkciz-category-strip {
            background: var(--umkciz-secondary);
            color: white;
            padding: 64px 24px;
        }

        .umkciz-strip-content {
            max-width: var(--umkciz-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }

        .umkciz-strip-text {
            flex: 1 1 400px;
            min-width: 0;
        }

        .umkciz-strip-tags {
            flex: 1 1 400px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            min-width: 0;
        }

        .umkciz-tag-bubble {
            background: rgba(255,255,255,0.1);
            padding: 12px 24px;
            border-radius: 30px;
            font-size: 16px;
            border: 1px solid rgba(255,255,255,0.2);
            transition: background 0.3s;
            cursor: default;
        }

        .umkciz-tag-bubble:hover {
            background: var(--umkciz-primary);
        }

        /* 页脚 */
        .umkciz-footer {
            background: #1a1a1a;
            color: #888;
            padding: 80px 24px 40px;
        }

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

        .umkciz-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .umkciz-footer-brand h2 {
            color: white;
            font-size: 24px;
            margin-bottom: 16px;
        }

        .umkciz-footer-links {
            flex: 2 1 600px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 32px;
            min-width: 0;
        }

        .umkciz-footer-column h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 16px;
        }

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

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

        .umkciz-footer-column a {
            color: #888;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 14px;
        }

        .umkciz-footer-column a:hover {
            color: var(--umkciz-primary);
        }

        .umkciz-copyright {
            margin-top: 60px;
            padding-top: 30px;
            border-top: 1px solid #333;
            text-align: center;
            font-size: 13px;
            width: 100%;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .umkciz-menu {
                display: none; /* 简化处理，实际开发可加汉堡菜单 */
            }
            .umkciz-hero {
                padding: 120px 24px 60px;
            }
            .umkciz-section-title {
                font-size: 1.8rem;
            }
            .umkciz-grid {
                grid-template-columns: 1fr;
            }
        }