:root{color-scheme:light;--bg: #FFF9F5;--card: white;--text: #2D3436;--muted: #636E72;--border: rgba(0, 0, 0, .08);--primary: #FF6B6B;--primary-hover: #EE5A5A;--secondary: #4ECDC4;--accent: #FFE66D;--success: #00B894;--warning: #FDCB6E;--danger: #E17055;--info: #74B9FF;--shadow: 0 2px 8px rgba(0, 0, 0, .06);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .1)}@media (prefers-color-scheme: dark){:root{--bg: #1A1A2E;--card: #16213E;--text: #EAEAEA;--muted: #A0A0A0;--border: rgba(255, 255, 255, .1);--shadow: 0 2px 8px rgba(0, 0, 0, .3);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,ui-sans-serif,system-ui,-apple-system,sans-serif;line-height:1.6}.container{max-width:1000px;margin:0 auto;padding:20px 16px 40px}.header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;padding-bottom:16px;border-bottom:2px dashed 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640px){.rewrite-compare{grid-template-columns:1fr}}.rewrite-box{padding:16px;border-radius:12px;font-size:14px;line-height:1.8}.rewrite-box.original{background:#e170551a;border:1px solid rgba(225,112,85,.3)}.rewrite-box.improved{background:#00b8941a;border:1px solid rgba(0,184,148,.3)}.rewrite-label{font-size:12px;font-weight:700;text-transform:uppercase;margin-bottom:8px}.rewrite-box.original .rewrite-label{color:var(--danger)}.rewrite-box.improved .rewrite-label{color:var(--success)}.section-divider{display:flex;align-items:center;gap:12px;margin:24px 0;color:var(--muted);font-size:14px;font-weight:600}.section-divider:before,.section-divider:after{content:"";flex:1;height:2px;background:var(--border);border-radius:1px}.stats-overview{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:20px}.stat-item{flex:1;min-width:120px;background:var(--card);border:2px solid var(--border);border-radius:14px;padding:16px;text-align:center}.stat-value{font-size:28px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:13px;color:var(--muted);margin-top:4px}@media (max-width: 640px){.container{padding:16px 12px 32px}.card{padding:16px;border-radius:16px}.title{font-size:18px}.field{flex:1 1 100%}.btnRow{flex-direction:column}button{width:100%}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--card);border-radius:20px;padding:24px;width:90%;max-width:420px;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-title{font-size:18px;font-weight:700;color:var(--text)}.modal-close{width:32px;height:32px;border-radius:50%;border:none;background:var(--border);color:var(--muted);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;transition:all .2s}.modal-close:hover{background:var(--danger);color:#fff}.modal-field{margin-bottom:16px}.modal-field label{display:block;margin-bottom:8px}.modal-field label:before{display:none}.modal-field input,.modal-field select,.modal-field textarea{width:100%}.modal-field textarea{min-height:100px;resize:vertical}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:20px}.modal-actions button{padding:10px 20px}.modal-success{text-align:center;padding:40px 20px;color:var(--success);font-size:16px;font-weight:600}