/* 品牌配色系统 - Postman 官方风格 */
        :root {
            --i5tw1i-primary: #FF6C37;
            --i5tw1i-primary-dark: #E05120;
            --i5tw1i-secondary: #0073BB;
            --i5tw1i-bg-dark: #212121;
            --i5tw1i-bg-light: #F9F9F9;
            --i5tw1i-text-main: #282828;
            --i5tw1i-text-muted: #6B6B6B;
            --i5tw1i-white: #FFFFFF;
            --i5tw1i-border: #E6E6E6;
            --i5tw1i-code-bg: #1E1E1E;
            --i5tw1i-container-width: 1320px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--i5tw1i-bg-light);
            color: var(--i5tw1i-text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 布局组件 */
        .i5tw1i-container {
            max-width: var(--i5tw1i-container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航栏 */
        .i5tw1i-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--i5tw1i-border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .i5tw1i-nav-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            min-width: 0;
        }

        .i5tw1i-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .i5tw1i-logo img {
            height: 36px;
            display: block;
        }

        .i5tw1i-nav-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
            min-width: 0;
        }

        .i5tw1i-nav-item a {
            text-decoration: none;
            color: var(--i5tw1i-text-main);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 4px;
            transition: color 0.3s;
            word-break: keep-all;
        }

        .i5tw1i-nav-item a:hover {
            color: var(--i5tw1i-primary);
        }

        .i5tw1i-nav-item a.i5tw1i-active {
            color: var(--i5tw1i-primary);
            border-bottom: 2px solid var(--i5tw1i-primary);
        }

        /* Hero 区域 - 独特视觉 */
        .i5tw1i-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(circle at top right, #fff5f2 0%, #ffffff 100%);
            text-align: center;
            overflow: hidden;
        }

        .i5tw1i-hero-content {
            max-width: 900px;
            margin: 0 auto;
            word-break: break-word;
        }

        .i5tw1i-hero-tag {
            display: inline-block;
            background: rgba(255, 108, 55, 0.1);
            color: var(--i5tw1i-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 24px;
        }

        .i5tw1i-hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.2;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #282828 0%, #555555 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: keep-all;
        }

        .i5tw1i-hero p {
            font-size: clamp(1.1rem, 2vw, 1.3rem);
            color: var(--i5tw1i-text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 模拟代码编辑器视觉 */
        .i5tw1i-code-window {
            background: var(--i5tw1i-code-bg);
            border-radius: 12px;
            box-shadow: 0 40px 80px rgba(0,0,0,0.2);
            text-align: left;
            margin-top: 48px;
            overflow: hidden;
            border: 1px solid #333;
            max-width: 1000px;
            margin-left: auto;
            margin-right: auto;
        }

        .i5tw1i-code-header {
            background: #333;
            padding: 12px 20px;
            display: flex;
            gap: 8px;
        }

        .i5tw1i-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .i5tw1i-dot-r { background: #ff5f56; }
        .i5tw1i-dot-y { background: #ffbd2e; }
        .i5tw1i-dot-g { background: #27c93f; }

        .i5tw1i-code-body {
            padding: 32px;
            font-family: "Fira Code", "Consolas", monospace;
            color: #d4d4d4;
            font-size: 16px;
            line-height: 1.5;
        }

        .i5tw1i-keyword { color: #569cd6; }
        .i5tw1i-func { color: #dcdcaa; }
        .i5tw1i-str { color: #ce9178; }
        .i5tw1i-comment { color: #6a9955; }

        /* 内容板块 */
        .i5tw1i-section {
            padding: 96px 0;
        }

        .i5tw1i-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .i5tw1i-layer-card {
            background: var(--i5tw1i-white);
            padding: 48px;
            border-radius: 16px;
            border: 1px solid var(--i5tw1i-border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .i5tw1i-layer-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .i5tw1i-layer-id {
            font-size: 12px;
            font-weight: 700;
            color: var(--i5tw1i-primary);
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .i5tw1i-layer-card h3 {
            font-size: 24px;
            margin-bottom: 16px;
        }

        .i5tw1i-layer-card p {
            color: var(--i5tw1i-text-muted);
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .i5tw1i-capability-list {
            list-style: none;
        }

        .i5tw1i-capability-item {
            font-size: 14px;
            padding: 8px 0;
            border-top: 1px solid var(--i5tw1i-border);
            color: var(--i5tw1i-text-main);
            display: flex;
            align-items: center;
        }

        .i5tw1i-capability-item::before {
            content: "✓";
            color: var(--i5tw1i-primary);
            margin-right: 12px;
            font-weight: bold;
        }

        /* 脚本特性区块 */
        .i5tw1i-features-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            align-items: center;
            min-width: 0;
        }

        .i5tw1i-feature-text {
            flex: 1;
            min-width: 300px;
        }

        .i5tw1i-feature-visual {
            flex: 1;
            min-width: 300px;
            background: var(--i5tw1i-bg-dark);
            border-radius: 24px;
            padding: 40px;
            color: white;
            position: relative;
        }

        /* 页脚 */
        .i5tw1i-footer {
            background: var(--i5tw1i-bg-dark);
            color: var(--i5tw1i-white);
            padding: 80px 0 40px;
            margin-top: 80px;
        }

        .i5tw1i-footer-top {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 64px;
            min-width: 0;
        }

        .i5tw1i-footer-brand {
            flex: 0 0 300px;
            min-width: 0;
        }

        .i5tw1i-footer-brand h2 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--i5tw1i-primary);
        }

        .i5tw1i-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            min-width: 0;
        }

        .i5tw1i-footer-group h4 {
            margin-bottom: 24px;
            font-size: 16px;
            color: var(--i5tw1i-white);
        }

        .i5tw1i-footer-group ul {
            list-style: none;
        }

        .i5tw1i-footer-group ul li {
            margin-bottom: 12px;
        }

        .i5tw1i-footer-group a {
            color: #999;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .i5tw1i-footer-group a:hover {
            color: var(--i5tw1i-primary);
        }

        .i5tw1i-footer-bottom {
            border-top: 1px solid #333;
            padding-top: 40px;
            text-align: center;
            color: #666;
            font-size: 14px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .i5tw1i-nav-container {
                flex-direction: column;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .i5tw1i-grid {
                grid-template-columns: 1fr;
            }
            .i5tw1i-hero h1 {
                font-size: 2.5rem;
            }
            .i5tw1i-nav-list {
                justify-content: center;
            }
            .i5tw1i-layer-card {
                padding: 32px;
            }
        }