:root{--bg-color: #FAFAFA;--brand-orange: #E0664A;--brand-orange-hover: #c95a40;--ai-blue-bg: #EBF4F8;--ai-blue-btn: #3498DB;--ai-blue-btn-hover: #2980b9;--text-dark: #1A1A1A;--text-muted: #666666;--border-color: #EAEAEA;--font-serif: "Playfair Display", serif;--font-sans: "Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-dark);line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:600;color:var(--text-dark)}a{text-decoration:none;color:inherit}.container{max-width:1000px;margin:0 auto;padding:0 20px}.btn-primary{background-color:var(--brand-orange);color:#fff;padding:8px 20px;border-radius:8px;border:none;font-family:var(--font-sans);font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s ease}.btn-primary:hover{background-color:var(--brand-orange-hover)}.navbar{background-color:var(--bg-color);border-bottom:1px solid 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#D6EAF8}.ai-title{display:flex;align-items:center;color:#2980b9;font-weight:600;font-size:14px}.ai-icon{margin-right:6px}.btn-ai-generate{background-color:var(--ai-blue-btn);color:#fff;border:none;padding:6px 12px;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;display:flex;align-items:center}.btn-ai-generate:hover{background-color:var(--ai-blue-btn-hover)}.ai-panel-body{padding:16px}.ai-empty-text{color:#5c8ca6;font-size:14px;line-height:1.5}.ai-card{background-color:#fff;padding:16px;border-radius:8px;margin-bottom:12px;font-size:14px;color:var(--text-dark);box-shadow:0 1px 3px #0000000d}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}.post-detail-page{max-width:800px;margin:0 auto}.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--text-muted);font-size:14px;margin-bottom:32px;transition:color .2s}.back-link:hover{color:var(--text-dark)}.post-header{margin-bottom:40px;border-bottom:1px solid var(--border-color);padding-bottom:32px}.post-title-large{font-size:48px;line-height:1.2;margin-bottom:24px;letter-spacing:-1px}.post-meta-row{color:var(--text-muted);font-size:15px}.post-actions{display:flex;gap:12px;margin-top:16px}.btn-outline{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid #EAEAEA;border-radius:6px;background-color:transparent;color:#666;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.btn-outline:hover{background-color:#f5f5f5;color:var(--text-dark)}.btn-danger{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid #fca5a5;border-radius:6px;background-color:transparent;color:#ef4444;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.btn-danger:hover{background-color:#fef2f2}.post-content{font-size:18px;line-height:1.8;color:#333}.post-content p{margin-bottom:24px}