:root{--primary: #667eea;--primary-dark: #764ba2;--primary-light: #7c3aed;--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);--gradient-card: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gray-50: #fafafa;--gray-100: #f4f4f5;--gray-200: #e4e4e7;--gray-300: #d4d4d8;--gray-400: #a1a1aa;--gray-500: #71717a;--gray-600: #52525b;--gray-700: #3f3f46;--gray-800: #27272a;--gray-900: #18181b;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #3b82f6;--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--radius-sm: 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var(--gray-100)}.comment-title{font-size:28px;font-weight:800;margin-bottom:32px;color:var(--gray-900)}.comment-form{margin-bottom:40px}.comment-input{border-radius:var(--radius-lg);border:2px solid var(--gray-200);padding:16px;font-size:16px;transition:var(--transition-base)}.comment-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #667eea1a}.comment-list{margin-top:32px}.comment-item{padding:24px 0;border-bottom:1px solid var(--gray-100)}.comment-author{display:flex;align-items:center;gap:12px;margin-bottom:12px}.comment-author-name{font-weight:600;color:var(--gray-900)}.comment-date{color:var(--gray-500);font-size:14px}.comment-content{margin-left:52px;color:var(--gray-700);line-height:1.7}.btn-primary{background:var(--gradient-primary);border:none;color:#fff;font-weight:600;border-radius:var(--radius-lg);transition:var(--transition-base)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:white;border:2px solid var(--gray-200);color:var(--gray-700);font-weight:600;border-radius:var(--radius-lg);transition:var(--transition-base)}.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}@media (max-width: 1024px){.main-content{grid-template-columns:1fr}.sidebar{position:static}.auth-card{grid-template-columns:1fr}.auth-brand{padding:60px}}@media (max-width: 768px){.hero-title{font-size:36px}.post-detail-content{padding:32px}.post-detail-title{font-size:32px}.auth-form-container{padding:40px}.ant-layout-header,.main-content{padding:0 24px}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .6s ease-out}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.slide-in{animation:slideIn .5s ease-out}.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.shadow-glow{box-shadow:0 0 40px 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