:root {
            --iuiyl-primary: #1890ff;
            --iuiyl-secondary: #001529;
            --iuiyl-accent: #ffd700;
            --iuiyl-bg-light: #f4f7f9;
            --iuiyl-text-main: #333;
            --iuiyl-text-muted: #666;
            --iuiyl-white: #ffffff;
            --iuiyl-card-shadow: 0 10px 30px rgba(0,0,0,0.05);
            --iuiyl-max-width: 1100px;
            --iuiyl-radius: 16px;
        }

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

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

        /* 导航栏 */
        .iuiyl-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 0 24px;
        }

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

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

        .iuiyl-logo img {
            height: 40px;
            width: auto;
        }

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

        .iuiyl-nav-link {
            text-decoration: none;
            color: var(--iuiyl-text-main);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .iuiyl-nav-link:hover {
            color: var(--iuiyl-primary);
            background: rgba(24, 144, 255, 0.05);
        }

        .iuiyl-nav-link.active {
            color: var(--iuiyl-primary);
            background: rgba(24, 144, 255, 0.1);
        }

        /* Hero 区 - 设置页面独特布局 */
        .iuiyl-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, #ffffff 0%, #e6f7ff 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .iuiyl-hero-inner {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .iuiyl-badge {
            display: inline-block;
            background: var(--iuiyl-primary);
            color: white;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 12px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

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

        .iuiyl-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--iuiyl-text-muted);
            max-width: 700px;
            margin: 0 auto 40px;
        }

        /* 核心内容区 */
        .iuiyl-main-section {
            padding: 80px 24px;
            max-width: var(--iuiyl-max-width);
            margin: 0 auto;
        }

        /* 设置网格卡片 */
        .iuiyl-settings-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .iuiyl-card {
            background: var(--iuiyl-white);
            border-radius: var(--iuiyl-radius);
            padding: 40px;
            box-shadow: var(--iuiyl-card-shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .iuiyl-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .iuiyl-card-icon {
            font-size: 40px;
            margin-bottom: 24px;
            width: 64px;
            height: 64px;
            background: rgba(24, 144, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            color: var(--iuiyl-primary);
        }

        .iuiyl-card-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--iuiyl-secondary);
        }

        .iuiyl-card-desc {
            font-size: 15px;
            color: var(--iuiyl-text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        /* 步骤条区块 */
        .iuiyl-journey-section {
            background: var(--iuiyl-secondary);
            color: white;
            padding: 96px 24px;
            border-radius: 40px;
            margin: 40px 24px;
        }

        .iuiyl-journey-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 64px;
        }

        .iuiyl-journey-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            max-width: var(--iuiyl-max-width);
            margin: 0 auto;
        }

        .iuiyl-journey-item {
            flex: 1;
            min-width: 280px;
            background: rgba(255,255,255,0.05);
            padding: 32px;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .iuiyl-journey-step {
            font-size: 14px;
            color: var(--iuiyl-primary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 12px;
            display: block;
        }

        /* 宏设置具体操作区 */
        .iuiyl-config-box {
            background: #fff;
            border-radius: 24px;
            padding: 48px;
            margin-top: 64px;
            box-shadow: var(--iuiyl-card-shadow);
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }

        .iuiyl-config-content {
            flex: 1;
            min-width: 300px;
        }

        .iuiyl-config-visual {
            flex: 1;
            min-width: 300px;
            background: linear-gradient(45deg, #1890ff, #722ed1);
            height: 300px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 64px;
            box-shadow: 0 15px 35px rgba(24, 144, 255, 0.3);
        }

        .iuiyl-btn {
            display: inline-flex;
            align-items: center;
            padding: 14px 32px;
            background: var(--iuiyl-primary);
            color: white;
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .iuiyl-btn:hover {
            background: #40a9ff;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(24, 144, 255, 0.3);
        }

        /* 资讯区块 */
        .iuiyl-dynamic-section {
            padding: 80px 24px;
            max-width: var(--iuiyl-max-width);
            margin: 0 auto;
        }

        .iuiyl-section-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 40px;
            text-align: center;
        }

        /* 页脚 */
        .iuiyl-footer {
            background: #fff;
            padding: 64px 24px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
        }

        .iuiyl-footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--iuiyl-secondary);
            margin-bottom: 16px;
        }

        .iuiyl-footer-links {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .iuiyl-footer-link {
            color: var(--iuiyl-text-muted);
            text-decoration: none;
            font-size: 14px;
        }

        .iuiyl-copyright {
            font-size: 13px;
            color: #999;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .iuiyl-nav-container {
                height: auto;
                padding: 16px 0;
            }
            .iuiyl-nav-menu {
                display: none; /* 简化移动端显示 */
            }
            .iuiyl-hero {
                padding-top: 100px;
            }
            .iuiyl-settings-grid {
                grid-template-columns: 1fr;
            }
            .iuiyl-journey-item {
                flex: none;
                width: 100%;
            }
            .iuiyl-config-visual {
                height: 200px;
            }
        }