<style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: #f9f7fe;
            color: #1c1a2e;
            line-height: 1.5;
            scroll-behavior: smooth;
        }
        /* 主题色变量 */
        :root {
            --primary: #ff552e;
            --primary-dark: #e03f1a;
            --secondary: #9f66ff;
            --secondary-dark: #7f44e0;
            --gray-bg: #f4f2fc;
            --card-white: #ffffff;
            --text-muted: #5b577a;
        }
        a { text-decoration: none; color: inherit; }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* 头部导航 */
        .site-header {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            box-shadow: 0 1px 2px rgba(0,0,0,0.03);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid #ede7fc;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 0.8rem 0;
        }
        .logo a {
            font-weight: 800;
            font-size: 1.5rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            letter-spacing: -0.3px;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            font-weight: 500;
        }
        .nav-links a { color: #2d2a48; transition: 0.2s; }
        .nav-links a:hover { color: var(--primary); }
        /* 按钮 */
        .btn-outline {
            border: 1px solid var(--primary);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            color: var(--primary);
            font-weight: 600;
            transition: 0.2s;
        }
        .btn-outline:hover { background: var(--primary); color: white; }
        /* 卡片网格 */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0 3rem;
        }
        .post-card {
            background: var(--card-white);
            border-radius: 1.5rem;
            padding: 1.5rem;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
            border: 1px solid #e9e2fc;
        }
        .post-card img{
            width: 100%;
        }
        .post-card:hover { transform: translateY(-5px); box-shadow: 0 20px 30px -12px rgba(0,0,0,0.1); }
        .post-category {
            font-size: 0.7rem;
            color: var(--primary);
            background: #ff552e10;
            display: inline-block;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-weight: 600;
            margin-bottom: 0.8rem;
        }
        .post-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0.5rem 0;
            line-height: 1.3;
        }
        .post-title a { color: #1f1b36; transition: color 0.2s; }
        .post-title a:hover { color: var(--primary); }
        .post-excerpt { color: var(--text-muted); font-size: 0.9rem; margin: 0.8rem 0; }
        .post-meta { font-size: 0.75rem; color: #928eb0; border-top: 1px solid #f0ebfc; margin-top: 1rem; padding-top: 0.8rem; }
        /* 内容页专用样式 (金字塔式标题, 答案先行) */
        .article-container {
            max-width: 880px;
            margin: 2rem auto;
            background: white;
            border-radius: 2rem;
            padding: 2rem 2rem 2.5rem;
            box-shadow: 0 8px 25px rgba(0,0,0,0.02);
            border: 1px solid #efeaff;
        }
        .article-header {
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #ede7fc;
            padding-bottom: 1rem;
        }
        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            background: linear-gradient(135deg, #2a2542, var(--secondary));
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }
        /* 金字塔标题层级 H1/H2/H3/H4 */
        .article-content h1, .article-content .h1-like { font-size: 1.8rem; margin: 1.2rem 0 0.8rem; font-weight: 700; border-left: 4px solid var(--primary); padding-left: 1rem; }
        .article-content h2 { font-size: 1.5rem; margin: 1.8rem 0 0.8rem; font-weight: 700; color: #2e2a4a; }
        .article-content h3 { font-size: 1.25rem; margin: 1.2rem 0 0.5rem; font-weight: 600; color: #3d3670; }
        .article-content h4 { font-size: 1rem; margin: 0.8rem 0 0.3rem; font-weight: 600; color: #5b4c9e; }
        .article-content p, .article-content li { color: #2c2947; margin-bottom: 1rem; font-size: 1rem; line-height: 1.6; }
        /* 答案先行块 */
        .answer-first {
            background: #fff7f0;
            border-left: 6px solid var(--primary);
            padding: 1rem 1.5rem;
            border-radius: 1rem;
            margin: 1.2rem 0;
            font-weight: 500;
            font-size: 1.05rem;
        }
        /* 可扫描格式: 列表/表格 */
        .structured-list {
            background: #fefaff;
            border-radius: 1rem;
            padding: 0.8rem 1.5rem;
            margin: 1rem 0;
            border: 1px solid #efe5ff;
        }
        .structured-list li { margin-bottom: 0.5rem; }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            background: #fdfcff;
            border-radius: 1rem;
            overflow: hidden;
            margin: 1.2rem 0;
        }
        .data-table th, .data-table td {
            border: 1px solid #e5dcf5;
            padding: 0.7rem;
            text-align: left;
        }
        .data-table th { background: #f3edfc; font-weight: 700; }
        .faq-block { background: #f6f3ff; border-radius: 1.2rem; padding: 1.2rem; margin: 1.5rem 0; }
        .faq-q { font-weight: 700; color: var(--primary-dark); margin-top: 0.8rem; }
        .author-info { display: flex; gap: 1rem; align-items: center; margin: 1.8rem 0; border-top: 1px solid #efe8fc; padding-top: 1rem; }
        .footer {
            background: #1a172e;
            color: #cbc7e8;
            text-align: center;
            padding: 2rem;
            margin-top: 3rem;
            font-size: 0.8rem;
        }
        @media (max-width: 720px) {
            .container { padding: 0 1rem; }
            .article-container { padding: 1.2rem; }
            .article-title { font-size: 1.8rem; }
            .nav-links { gap: 1rem; font-size: 0.9rem; }
        }
        .highlight-badge {
            background: var(--secondary);
            color: white;
            border-radius: 30px;
            padding: 0.2rem 0.8rem;
            font-size: 0.7rem;
        }
    </style>