html,body,#root{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}#root{display:flex;flex-direction:column}.app-layout{min-height:100vh}.app-header{background:linear-gradient(135deg,#667eea,#764ba2);padding:0 24px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px #00000026}.app-logo{color:#fff;font-size:20px;font-weight:700;letter-spacing:1px}.app-sider{background:#fff!important;box-shadow:2px 0 8px #0000000d}.app-content{background:#f0f2f5;padding:24px}.kpi-card{border-radius:8px;box-shadow:0 2px 8px #0000000f;transition:all .3s ease}.kpi-card:hover{box-shadow:0 4px 16px #667eea26;transform:translateY(-2px)}.kpi-value{font-size:28px;font-weight:700;color:#1a1a2e}.kpi-label{color:#8c8c8c;font-size:13px;margin-bottom:8px}.kpi-trend{font-size:12px;color:#52c41a}.page-section{background:#fff;border-radius:8px;padding:16px 20px;margin-bottom:16px;box-shadow:0 1px 4px #0000000a}.page-title{font-size:20px;font-weight:600;margin-bottom:16px;color:#1a1a2e;display:flex;align-items:center;gap:12px}.page-title-icon{width:4px;height:20px;background:linear-gradient(180deg,#667eea,#764ba2);border-radius:2px}.login-page{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center}.login-card{width:420px;padding:40px 36px;background:#fff;border-radius:12px;box-shadow:0 16px 48px #0003}.login-logo{text-align:center;margin-bottom:28px}.login-logo-icon{width:72px;height:72px;margin:0 auto 12px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:18px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:36px;font-weight:700}.login-title{font-size:22px;font-weight:700;color:#1a1a2e}.login-subtitle{font-size:13px;color:#8c8c8c;margin-top:4px}.ai-assistant-btn{position:fixed;bottom:32px;right:32px;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;box-shadow:0 8px 24px #667eea66;cursor:pointer;z-index:1000;display:flex;align-items:center;justify-content:center;font-size:24px}.chat-panel{position:fixed;bottom:96px;right:32px;width:420px;height:540px;background:#fff;border-radius:12px;box-shadow:0 16px 48px #0003;display:flex;flex-direction:column;z-index:1000;overflow:hidden}.chat-header{padding:14px 16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-weight:600}.chat-messages{flex:1;overflow-y:auto;padding:16px;background:#fafafa}.chat-message{margin-bottom:12px;display:flex;gap:8px}.chat-bubble{max-width:80%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.5;word-break:break-word;white-space:pre-wrap}.chat-user .chat-bubble{background:#667eea;color:#fff;margin-left:auto;border-bottom-right-radius:4px}.chat-assistant .chat-bubble{background:#fff;color:#1a1a2e;border:1px solid #e8e8e8;border-bottom-left-radius:4px}.chat-input{border-top:1px solid #e8e8e8;padding:12px}