:root{--primary-color: #1890ff;--secondary-color: #52c41a;--dark-color: #001529;--light-color: #f0f2f5;--text-color: #333333;--light-text: #8c8c8c;--border-color: #e8e8e8;--box-shadow: 0 2px 12px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:PingFang SC,Microsoft YaHei,sans-serif;color:var(--text-color);background-color:#f9f9f9;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background-color:#fff;box-shadow:0 2px 8px #0000000d;padding:16px 0;position:sticky;top:0;z-index:100}.header .container{display:flex;justify-content:space-between;align-items:center}.logo{color:var(--primary-color);font-size:24px;font-weight:700}.nav{display:flex;gap:20px}.nav-link{color:var(--text-color);text-decoration:none;font-size:16px;padding:8px 12px;border-radius:4px;transition:background-color .2s}.nav-link:hover{background-color:var(--light-color)}.main{min-height:calc(100vh - 130px);padding:30px 0}.footer{background-color:#fff;padding:20px 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#52c41a;color:#389e0d}.mode-indicator.policy-mode{background:linear-gradient(135deg,#e6f7ff,#f0f8ff);border:2px solid #1890ff;color:#0050b3}.mode-icon{font-size:18px;animation:bounce 2s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-3px)}60%{transform:translateY(-2px)}}.mode-text{font-weight:600;flex:1}.mode-desc{font-size:12px;opacity:.8;font-style:italic}.lequn-welcome{background:linear-gradient(135deg,#f6ffed,#f0f9ff);padding:20px;border-radius:12px;border:2px dashed #52c41a;margin:15px 0}.lequn-welcome p:first-child{font-weight:600;color:#389e0d;font-size:16px;margin-bottom:10px}.policy-welcome{background:linear-gradient(135deg,#f0f8ff,#e6f7ff);padding:20px;border-radius:12px;border:2px dashed #1890ff;margin:15px 0}.example.lequn-example{background:linear-gradient(135deg,#f6ffed,#e8f5e8);border:2px solid #52c41a;color:#389e0d;font-weight:500;position:relative;overflow:hidden}.example.lequn-example:hover{background:linear-gradient(135deg,#e8f5e8,#d9f7be);border-color:#389e0d;transform:translateY(-2px);box-shadow:0 4px 12px #52c41a4d}.example.lequn-example:before{content:"🏛️";position:absolute;top:5px;right:8px;font-size:12px;opacity:.6}.region-selector.lequn-active{background:linear-gradient(135deg,#f6ffed,#e8f5e8);border-color:#52c41a;border-width:2px;box-shadow:0 0 0 3px #52c41a1a}.lequn-title{color:#389e0d;font-weight:700;font-size:14px}.lequn-option{background-color:#f6ffed!important;color:#389e0d!important;font-weight:600!important;border-bottom:1px solid #52c41a!important}.region-select.lequn-selected{background:linear-gradient(135deg,#f6ffed,#e8f5e8);border-color:#52c41a;color:#389e0d;font-weight:600;border-width:2px}.region-select.lequn-selected:focus{box-shadow:0 0 0 3px #52c41a33;border-color:#389e0d}.current-selection.lequn-selection{background:linear-gradient(135deg,#f6ffed,#e8f5e8);border-left-color:#52c41a;border-width:3px}.current-selection.lequn-selection .selection-value{color:#389e0d;font-weight:700}.selection-hint{font-size:11px;color:#52c41a;font-style:italic;margin-left:8px}.mode-switch-hint{margin-top:10px;padding:8px 12px;background:#52c41a1a;border-radius:6px;display:flex;align-items:center;justify-content:space-between;border:1px solid rgba(82,196,26,.3)}.hint-text{font-size:12px;color:#389e0d;flex:1}.switch-mode-btn{background:#52c41a;color:#fff;border:none;padding:4px 8px;border-radius:4px;font-size:11px;cursor:pointer;transition:all .2s ease}.switch-mode-btn:hover{background:#389e0d;transform:translateY(-1px)}.message.lequn-message .message-content{background:linear-gradient(135deg,#f6ffed,#e8f5e8);border-left:4px solid #52c41a;position:relative}.message.lequn-message 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.summary-content{background:linear-gradient(135deg,#f6ffedcc,#e8f5e8cc);padding:15px;border-radius:8px;border-left:4px solid #52c41a;position:relative;margin:10px 0}.lequn-message .summary-content:before{content:"💡 乐群乡本地服务";position:absolute;top:-8px;left:12px;background:#52c41a;color:#fff;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:600}@media (max-width: 768px){.mode-indicator{flex-direction:column;align-items:flex-start;gap:4px}.mode-indicator .mode-desc{align-self:flex-start}.mode-switch-hint{flex-direction:column;gap:8px;align-items:flex-start}.switch-mode-btn{align-self:flex-end}}@media (max-width: 480px){.lequn-welcome,.policy-welcome{padding:15px;margin:10px 0}.mode-indicator{padding:8px 12px;font-size:13px}.mode-icon{font-size:16px}.example.lequn-example{padding:8px 12px;font-size:13px}}@keyframes lequnGlow{0%{box-shadow:0 0 5px #52c41a4d}50%{box-shadow:0 0 20px #52c41a80}to{box-shadow:0 0 5px #52c41a4d}}.region-selector.lequn-active{animation:lequnGlow 3s 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100px);min-height:650px}.chat-header{padding:15px 20px;text-align:center;border-bottom:1px solid var(--border-color);flex-shrink:0}.chat-header h2{color:var(--primary-color);margin-bottom:3px;font-size:20px}.chat-header p{color:var(--light-text);font-size:13px}.chat-messages{flex:1;overflow-y:auto;padding:15px 20px;scroll-behavior:smooth;min-height:0}.welcome-message{text-align:center;padding:30px 15px}.welcome-icon{margin-bottom:15px}.welcome-message h3{margin-bottom:12px;color:var(--primary-color);font-size:18px}.welcome-message p{font-size:14px;margin-bottom:15px}.examples{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:15px}.example{background-color:var(--light-color);padding:8px 12px;border-radius:18px;font-size:13px;cursor:pointer;transition:background-color .2s;line-height:1.3}.example:hover{background-color:#e0e5ea}.message{display:flex;margin-bottom:15px;animation:fadeIn .3s ease-out}@keyframes 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var(--border-color);font-family:inherit;font-size:14px;overflow-y:auto;margin-right:8px;line-height:1.4}.send-btn{background-color:var(--primary-color);color:#fff;border:none;width:40px;height:40px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .2s;flex-shrink:0}.send-btn:hover:not(:disabled){background-color:#40a9ff}.send-btn:disabled{background-color:#bfbfbf;cursor:not-allowed}.loading-status{display:flex;align-items:center;gap:6px;color:#666;font-size:13px;margin-bottom:8px;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}.status-icon{font-size:16px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.policy-results-preview{margin-top:12px;padding:12px;background-color:#f8f9fa;border-radius:6px;border:1px solid #e0e0e0;animation:fadeIn .5s ease-out}.policy-results-preview h4{margin-bottom:8px;color:var(--primary-color);font-size:15px}.policy-list-preview{background-color:#fff;border-radius:4px;padding:8px;border:1px solid #e9ecef}.policy-preview-item{display:flex;justify-content:space-between;padding:6px 8px;border-bottom:1px solid #f0f0f0;transition:background-color .2s}.policy-preview-item:hover{background-color:#f8f9fa}.policy-preview-item:last-child{border-bottom:none}.policy-preview-title{flex:1;font-weight:500;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-right:12px;font-size:15px}.policy-preview-date{color:#666;font-size:12px;white-space:nowrap}.more-results{text-align:center;color:#666;font-size:12px;margin-top:8px;padding-top:8px;border-top:1px solid #f0f0f0;font-style:italic}.analyzing-hint{text-align:center;color:var(--primary-color);font-size:12px;margin-top:10px;font-style:italic;animation:blink 2s ease-in-out infinite}@keyframes 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