/* 变量定义 */
        :root {
            --zpa57-primary: #1a5fb4;
            --zpa57-secondary: #e67e22;
            --zpa57-dark: #24292e;
            --zpa57-light: #f8f9fa;
            --zpa57-accent: #00d2ff;
            --zpa57-text: #333333;
            --zpa57-gray: #6c757d;
            --zpa57-border: #e1e4e8;
            --zpa57-spacing: 8px;
            --zpa57-container-width: 1100px;
        }

        /* 基础重置 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: var(--zpa57-text);
            background-color: #ffffff;
            overflow-x: hidden;
        }

        /* 流体字体 */
        h1 { font-size: clamp(2rem, 5vw + 1rem, 3.5rem); line-height: 1.2; }
        h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.2rem); margin-bottom: 24px; }
        h3 { font-size: clamp(1.2rem, 2vw + 0.2rem, 1.6rem); }
        p { font-size: clamp(1rem, 1vw + 0.5rem, 1.1rem); line-height: 1.8; margin-bottom: 16px; }

        /* 布局组件 */
        .zpa57-container {
            max-width: var(--zpa57-container-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .zpa57-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .zpa57-flex-item {
            min-width: 0;
            flex: 1 1 300px;
        }

        .zpa57-section {
            padding: 96px 0;
            word-break: break-word;
        }

        /* 导航栏 */
        .zpa57-header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--zpa57-border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .zpa57-nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            max-width: var(--zpa57-container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .zpa57-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .zpa57-menu {
            display: flex;
            list-style: none;
            gap: 20px;
            flex-wrap: wrap;
        }

        .zpa57-menu a {
            text-decoration: none;
            color: var(--zpa57-dark);
            font-weight: 500;
            font-size: 14px;
            transition: color 0.3s;
            padding: 8px 4px;
            position: relative;
        }

        .zpa57-menu a:hover, .zpa57-menu a.active {
            color: var(--zpa57-primary);
        }

        .zpa57-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--zpa57-primary);
        }

        /* Hero 区域 */
        .zpa57-hero {
            padding-top: 160px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .zpa57-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(var(--zpa57-primary) 0.5px, transparent 0.5px);
            background-size: 30px 30px;
            opacity: 0.1;
        }

        .zpa57-hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .zpa57-badge {
            display: inline-block;
            background: var(--zpa57-primary);
            color: white;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 14px;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* 教程步骤 */
        .zpa57-steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .zpa57-step-card {
            background: white;
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--zpa57-border);
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .zpa57-step-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .zpa57-step-number {
            font-size: 48px;
            font-weight: 800;
            color: rgba(26, 95, 180, 0.1);
            position: absolute;
            top: 20px;
            right: 30px;
        }

        .zpa57-step-card h3 {
            margin-bottom: 16px;
            color: var(--zpa57-primary);
            padding-right: 40px;
        }

        /* 配置矩阵 */
        .zpa57-matrix-section {
            background-color: var(--zpa57-dark);
            color: white;
        }

        .zpa57-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .zpa57-matrix-item {
            background: rgba(255,255,255,0.05);
            padding: 32px;
            border-radius: 12px;
            border-left: 4px solid var(--zpa57-accent);
        }

        .zpa57-matrix-item h4 {
            color: var(--zpa57-accent);
            margin-bottom: 12px;
            font-size: 1.2rem;
        }

        .zpa57-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .zpa57-tag {
            background: rgba(255,255,255,0.1);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
        }

        /* 视觉焦点区块 */
        .zpa57-feature-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .zpa57-feature-text {
            flex: 1 1 400px;
            min-width: 0;
        }

        .zpa57-feature-visual {
            flex: 1 1 400px;
            min-width: 0;
            background: var(--zpa57-light);
            padding: 40px;
            border-radius: 24px;
            border: 2px dashed var(--zpa57-border);
            text-align: center;
        }

        .zpa57-code-mockup {
            background: #1e1e1e;
            color: #d4d4d4;
            padding: 24px;
            border-radius: 8px;
            font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
            text-align: left;
            font-size: 14px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .zpa57-code-mockup span { color: #569cd6; }
        .zpa57-code-mockup b { color: #ce9178; font-weight: normal; }

        /* 页脚 */
        .zpa57-footer {
            background: #f4f7f9;
            padding: 64px 0 32px;
            border-top: 1px solid var(--zpa57-border);
        }

        .zpa57-footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 48px;
            margin-bottom: 48px;
        }

        .zpa57-footer-brand {
            flex: 1 1 300px;
        }

        .zpa57-footer-brand h2 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--zpa57-primary);
        }

        .zpa57-footer-links {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }

        .zpa57-link-group h4 {
            margin-bottom: 20px;
            font-size: 16px;
            color: var(--zpa57-dark);
        }

        .zpa57-link-group ul {
            list-style: none;
        }

        .zpa57-link-group ul li {
            margin-bottom: 10px;
        }

        .zpa57-link-group a {
            text-decoration: none;
            color: var(--zpa57-gray);
            font-size: 14px;
            transition: color 0.3s;
        }

        .zpa57-link-group a:hover {
            color: var(--zpa57-primary);
        }

        .zpa57-copyright {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid var(--zpa57-border);
            font-size: 14px;
            color: var(--zpa57-gray);
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .zpa57-nav-container {
                flex-direction: column;
                height: auto;
                padding: 16px;
            }
            .zpa57-menu {
                justify-content: center;
                margin-top: 16px;
                gap: 10px;
            }
            .zpa57-section {
                padding: 64px 0;
            }
            .zpa57-feature-split {
                flex-direction: column;
            }
        }

        /* 动态内容区块 */
        .zpa57-dynamic-article {
            background: #fff;
            padding: 24px;
            border-radius: 12px;
            margin-bottom: 16px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            border-left: 4px solid var(--zpa57-secondary);
        }