:root {
            --umkciz-primary-color: #ff6600;
            --umkciz-primary-hover: #e65c00;
            --umkciz-bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            --umkciz-card-bg: #ffffff;
            --umkciz-text-main: #333333;
            --umkciz-text-muted: #666666;
            --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;
            color: var(--umkciz-text-main);
            background-color: #f8f9fb;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .umkciz-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            padding: 0 24px;
        }

        .umkciz-nav-container {
            max-width: var(--umkciz-container-width);
            margin: 0 auto;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .umkciz-logo {
            flex-shrink: 0;
            height: 40px;
            display: flex;
            align-items: center;
        }

        .umkciz-logo img {
            height: 100%;
            width: auto;
        }

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

        .umkciz-nav-item {
            margin-left: 16px;
        }

        .umkciz-nav-link {
            text-decoration: none;
            color: var(--umkciz-text-main);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

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

        .umkciz-nav-link.umkciz-active {
            color: var(--umkciz-primary-color);
            background: rgba(255, 102, 0, 0.1);
        }

        /* Hero 区区块 */
        .umkciz-hero {
            padding: 140px 24px 80px;
            background: linear-gradient(180deg, #ffffff 0%, #f0f4f8 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .umkciz-hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .umkciz-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            margin-bottom: 24px;
            color: #1a1a1a;
            line-height: 1.2;
            word-break: keep-all;
        }

        .umkciz-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--umkciz-text-muted);
            margin-bottom: 48px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
            word-break: break-word;
        }

        /* 核心设置面板布局 */
        .umkciz-main-section {
            padding: 0 24px 96px;
            margin-top: -40px;
        }

        .umkciz-dashboard {
            max-width: var(--umkciz-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .umkciz-side-panel {
            flex: 1;
            min-width: 300px;
            background: var(--umkciz-card-bg);
            border-radius: var(--umkciz-radius);
            padding: 32px;
            box-shadow: var(--umkciz-shadow);
        }

        .umkciz-main-panel {
            flex: 2;
            min-width: 400px;
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        /* 设置项目卡片 */
        .umkciz-setting-card {
            background: var(--umkciz-card-bg);
            border-radius: var(--umkciz-radius);
            padding: 32px;
            box-shadow: var(--umkciz-shadow);
            transition: transform 0.3s ease;
        }

        .umkciz-setting-card:hover {
            transform: translateY(-5px);
        }

        .umkciz-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 16px;
        }

        .umkciz-card-title {
            font-size: 20px;
            font-weight: 700;
            color: #1a1a1a;
        }

        .umkciz-sync-status {
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            background: #e6f7ff;
            color: #1890ff;
            font-weight: 600;
        }

        /* 列表与开关样式 */
        .umkciz-option-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .umkciz-option-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-width: 0;
        }

        .umkciz-option-info {
            flex: 1;
            padding-right: 16px;
        }

        .umkciz-option-name {
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
        }

        .umkciz-option-desc {
            font-size: 13px;
            color: var(--umkciz-text-muted);
            display: block;
        }

        /* 模拟开关按钮 */
        .umkciz-switch {
            width: 50px;
            height: 26px;
            background: #ddd;
            border-radius: 13px;
            position: relative;
            cursor: pointer;
            transition: background 0.3s;
        }

        .umkciz-switch.umkciz-on {
            background: var(--umkciz-primary-color);
        }

        .umkciz-switch::after {
            content: '';
            position: absolute;
            width: 22px;
            height: 22px;
            background: white;
            border-radius: 50%;
            top: 2px;
            left: 2px;
            transition: transform 0.3s;
        }

        .umkciz-switch.umkciz-on::after {
            transform: translateX(24px);
        }

        /* 动态内容区块 */
        .umkciz-news-section {
            background: #ffffff;
            padding: 80px 24px;
            border-top: 1px solid #eee;
        }

        .umkciz-section-inner {
            max-width: var(--umkciz-container-width);
            margin: 0 auto;
        }

        .umkciz-section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 40px;
            text-align: center;
        }

        .umkciz-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        /* 页脚 */
        .umkciz-footer {
            background: #1a1a1a;
            color: #ffffff;
            padding: 64px 24px;
        }

        .umkciz-footer-content {
            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;
            min-width: 200px;
        }

        .umkciz-brand-name {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #ffffff;
        }

        .umkciz-footer-links {
            flex: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }

        .umkciz-footer-column {
            min-width: 120px;
        }

        .umkciz-footer-column h4 {
            margin-bottom: 20px;
            font-size: 16px;
            color: #999;
        }

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

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

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

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

        .umkciz-copyright {
            margin-top: 64px;
            padding-top: 24px;
            border-top: 1px solid #333;
            text-align: center;
            color: #666;
            font-size: 14px;
            width: 100%;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .umkciz-dashboard {
                flex-direction: column;
            }
            .umkciz-side-panel, .umkciz-main-panel {
                min-width: 100%;
            }
            .umkciz-nav-menu {
                display: none; /* 简化移动端，通常会加汉堡菜单 */
            }
            .umkciz-hero-title {
                font-size: 2.2rem;
            }
        }

        /* 动画类 */
        .umkciz-fade-up {
            animation: umkcizFadeUp 0.8s ease-out forwards;
        }

        @keyframes umkcizFadeUp {
            from {
                opacity: 0.5;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }