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ul{list-style:none;padding:0;margin:0}.footer-column ul li{margin-bottom:.5rem}.footer-column ul li a{color:var(--text-secondary);text-decoration:none;font-size:.875rem;transition:color .3s}.footer-column ul li a:hover{color:var(--accent-color)}.footer-bottom{border-top:1px solid var(--border-color);padding-top:1.5rem;text-align:center}.footer-bottom p{color:var(--text-secondary);font-size:.75rem}:root{--primary: #FF6B35;--primary-dark: #E55A2B;--primary-light: #FF8C5A;--secondary: #2C3E50;--accent: #FFA07A;--text-dark: #1A1A1A;--text-light: #FFFFFF;--text-gray: #6C757D;--text-gray-light: #95A5A6;--bg-light: #F8F9FA;--bg-white: #FFFFFF;--border: #E0E0E0;--shadow: 0 2px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--shadow-xl: 0 12px 48px rgba(0, 0, 0, .15);--font-xs: .75rem;--font-sm: .875rem;--font-base: 1rem;--font-lg: 1.125rem;--font-xl: 1.25rem;--font-2xl: 1.5rem;--font-3xl: 2rem;--font-4xl: 2.5rem;--font-5xl: 3.5rem;--font-6xl: 4.5rem}[data-theme=dark]{--primary: #FF8C5A;--primary-dark: #FF6B35;--primary-light: #FFA07A;--secondary: #1A1A2E;--accent: #FFB899;--text-dark: #E8E8E8;--text-light: #FFFFFF;--text-gray: #B0B0B0;--text-gray-light: #D0D0D0;--bg-light: #1A1A2E;--bg-white: #0F0F1E;--border: #2A2A3E;--shadow: 0 2px 8px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .4);--shadow-xl: 0 12px 48px rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-dark);background:var(--bg-white);line-height:1.7;font-size:var(--font-base)}.app{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 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1.25rem;margin-bottom:2rem;transition:all .3s ease;border-radius:8px;text-decoration:none}.back-button:hover{color:var(--primary);border-color:var(--primary);background:var(--bg-light)}.back-icon{font-size:var(--font-lg)}.post-content{max-width:800px;margin:0 auto}.post-cover{margin-bottom:2rem;border-radius:16px;overflow:hidden}.post-cover img{width:100%;height:auto;display:block}.post-header{margin-bottom:3rem;padding-bottom:2rem;border-bottom:2px solid var(--border)}.post-meta{display:flex;gap:1.5rem;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap}.post-date,.post-readtime{color:var(--text-gray);font-size:var(--font-sm)}.post-title{font-size:var(--font-4xl);font-weight:800;color:var(--text-dark);margin-bottom:1rem;line-height:1.3;letter-spacing:-.02em}.post-excerpt{font-size:var(--font-lg);color:var(--text-gray);line-height:1.7}.post-body{margin-bottom:3rem}.markdown-content{font-size:var(--font-base);line-height:1.8;color:var(--text-dark);background:var(--bg-light);padding:2.5rem;border-radius:16px;border:1px solid var(--border)}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4,.markdown-content h5,.markdown-content h6{color:var(--text-dark);font-weight:700;margin-top:1.5em;margin-bottom:.75em;line-height:1.4}.markdown-content h1{font-size:var(--font-3xl);border-bottom:2px solid var(--border);padding-bottom:.5em;margin-top:0}.markdown-content h2{font-size:var(--font-2xl);border-bottom:1px 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var(--border);height:100%}.blog-preview-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:var(--primary)}.blog-preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.blog-preview-date{color:var(--text-gray-light);font-size:var(--font-xs)}.blog-preview-title{font-size:var(--font-lg);font-weight:700;color:var(--text-dark);margin-bottom:.75rem;line-height:1.4;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.blog-preview-excerpt{color:var(--text-gray);font-size:var(--font-sm);line-height:1.7;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:1.25rem}.blog-preview-footer{display:flex;justify-content:space-between;align-items:center;padding-top:1rem;border-top:1px solid 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