:root{--bg-primary: #F5F5F7;--bg-secondary: #FFFFFF;--bg-card: #FFFFFF;--bg-input: #F0F0F5;--text-primary: #1A1A1A;--text-secondary: #666666;--text-tertiary: #999999;--border-color: #EBEBEB;--brand-orange: #F5A623;--brand-orange-light: rgba(245, 166, 35, .1);--brand-purple: #6B2D8B;--color-buy: #E74C3C;--color-hold: #F5A623;--color-sell: #27AE60;--color-empty: #2F5BEA;--color-up-astock: #E74C3C;--color-down-astock: #27AE60;--color-up-crypto: #00C853;--color-down-crypto: #FF1744;--tab-bar-height: 56px;--header-height: 48px;--safe-area-bottom: env(safe-area-inset-bottom, 0px);--safe-area-top: env(safe-area-inset-top, 0px);--shadow-card: 0 1px 8px rgba(0, 0, 0, .06);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;width:100%}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,PingFang SC,Helvetica Neue,Microsoft 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12px;border-radius:12px;font-size:12px;font-weight:600}.profile-member-badge.free{background:var(--bg-primary);color:var(--text-secondary)}.profile-member-badge.vip{background:linear-gradient(90deg,#f5a623,#f7c948);color:#fff}.profile-login-prompt{margin:0 0 8px;background:var(--bg-secondary);padding:40px 20px;text-align:center}.profile-login-prompt .prompt-icon{width:72px;height:72px;margin:0 auto 16px;border-radius:50%;overflow:hidden}.profile-login-prompt .prompt-icon img{width:100%;height:100%}.profile-login-prompt .prompt-brand{font-size:16px;font-weight:700;color:var(--brand-orange);letter-spacing:2px;margin-bottom:8px}.profile-login-prompt .prompt-text{font-size:15px;color:var(--text-secondary);margin-bottom:20px}.profile-login-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 40px;border-radius:24px;background:var(--brand-orange);color:#fff;font-size:16px;font-weight:600}.profile-menu-section{margin:0 0 8px}.profile-menu-section .section-title{font-size:12px;color:var(--text-tertiary);padding:12px 20px 8px;letter-spacing:1px}.profile-menu-list{background:var(--bg-card);overflow:hidden}.profile-menu-item{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border-color);transition:background .15s}.profile-menu-item:last-child{border-bottom:none}.profile-menu-item:active{background:var(--bg-primary)}.profile-menu-item .menu-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;margin-right:12px}.profile-menu-item .menu-label{flex:1;font-size:16px;color:var(--text-primary)}.profile-menu-item .menu-arrow{color:var(--text-tertiary);font-size:18px}.profile-menu-item .menu-value{font-size:13px;color:var(--text-secondary);margin-right:8px}.profile-menu-item.danger .menu-label{color:var(--color-buy)}.subscription-page{display:flex;flex-direction:column;height:100%;background:var(--bg-primary)}.subscription-scroll{flex:1;overflow-y:auto;padding:16px}.subscription-intro{text-align:center;margin-bottom:24px}.subscription-intro .intro-icon{font-size:48px;margin-bottom:12px}.subscription-intro .intro-title{font-size:22px;font-weight:700;margin-bottom:8px;color:var(--brand-orange)}.subscription-intro .intro-desc{font-size:14px;color:var(--text-secondary);line-height:1.6}.plan-cards{display:flex;flex-direction:column;gap:12px}.plan-card{background:var(--bg-card);border-radius:16px;padding:20px;position:relative;border:2px solid transparent;transition:all .2s;box-shadow:var(--shadow-sm)}.plan-card.active,.plan-card.recommended{border-color:var(--brand-orange)}.plan-card .recommend-badge{position:absolute;top:-1px;right:20px;background:var(--brand-orange);color:#fff;font-size:11px;font-weight:700;padding:2px 12px;border-radius:0 0 8px 8px}.plan-card 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.label{font-size:15px;color:var(--text-primary)}.toggle-switch{width:48px;height:28px;border-radius:14px;background:#d9d9d9;position:relative;transition:background .3s;cursor:pointer}.toggle-switch.active{background:var(--brand-orange)}.toggle-switch .toggle-knob{width:24px;height:24px;border-radius:50%;background:#fff;position:absolute;top:2px;left:2px;transition:transform .3s;box-shadow:0 1px 3px #0003}.toggle-switch.active .toggle-knob{transform:translate(20px)}.login-page{display:flex;flex-direction:column;height:100vh;background:var(--bg-secondary);padding:0 24px}.login-brand{text-align:center;padding:60px 0 40px}.login-brand .brand-icon{width:80px;height:80px;margin:0 auto 12px;border-radius:20px;overflow:hidden}.login-brand .brand-icon img{width:100%;height:100%}.login-brand .brand-name{font-size:28px;font-weight:800;color:var(--brand-orange);letter-spacing:2px}.login-brand .brand-subtitle{font-size:14px;color:var(--text-secondary);margin-top:8px}.login-tabs{display:flex;margin-bottom:24px;background:var(--bg-input);border-radius:12px;padding:4px}.login-tab{flex:1;padding:10px;text-align:center;font-size:15px;color:var(--text-secondary);border-radius:10px;transition:all .2s}.login-tab.active{background:var(--brand-orange);color:#fff;font-weight:600}.login-form{display:flex;flex-direction:column;gap:16px}.form-field{position:relative}.form-field .field-label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:6px}.form-field input{width:100%;height:48px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:12px;padding:0 16px;font-size:16px;color:var(--text-primary);transition:border-color .2s}.form-field input::placeholder{color:var(--text-tertiary)}.form-field input:focus{border-color:var(--brand-orange)}.login-submit{width:100%;height:48px;border-radius:24px;background:linear-gradient(90deg,var(--brand-orange),#F7C948);color:#fff;font-size:16px;font-weight:700;margin-top:8px;transition:opacity .2s}.login-submit:active{opacity:.8}.login-submit:disabled{opacity:.4;pointer-events:none}.login-footer{text-align:center;margin-top:24px}.login-footer .footer-text{font-size:13px;color:var(--text-tertiary)}.login-footer .footer-link{color:var(--brand-orange);font-weight:500}.login-error{color:var(--color-buy);font-size:13px;text-align:center;padding:8px;background:#e74c3c14;border-radius:8px}.watchlist-page{display:flex;flex-direction:column;height:100%;overflow:hidden;background:var(--bg-primary)}.watchlist-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;height:var(--header-height);background:var(--bg-secondary)}.watchlist-header .title{font-size:17px;font-weight:600;color:var(--text-primary)}.watchlist-header 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.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px}.search-bar input{width:100%;height:40px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:20px;padding:0 12px 0 36px;font-size:15px;color:var(--text-primary)}.search-bar input::placeholder{color:var(--text-tertiary)}.search-bar .cancel-btn{font-size:15px;color:var(--brand-orange);flex-shrink:0}.search-results{flex:1;overflow-y:auto}.search-result-item{display:flex;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.search-result-item .result-info{flex:1}.search-result-item .result-name{font-size:15px;font-weight:500;color:var(--text-primary)}.search-result-item .result-code{font-size:12px;color:var(--text-secondary);margin-top:2px}.search-result-item .add-result-btn{padding:6px 16px;border-radius:14px;font-size:13px;font-weight:600;border:1px solid var(--brand-orange);color:var(--brand-orange);transition:all .2s}.search-result-item .add-result-btn.added{background:var(--brand-orange);color:#fff;border-color:var(--brand-orange)}.stock-row .delete-btn{padding:6px 12px;border-radius:6px;font-size:12px;background:#e74c3c1a;color:var(--color-buy)}.about-page{display:flex;flex-direction:column;height:100%;background:var(--bg-primary)}.about-scroll{flex:1;overflow-y:auto;padding:0 0 40px}.about-brand{text-align:center;padding:40px 20px 32px}.about-logo{width:80px;height:80px;margin:0 auto 16px;border-radius:20px;overflow:hidden}.about-logo img{width:100%;height:100%;object-fit:cover}.about-name{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.about-name-en{font-size:13px;color:var(--brand-orange);letter-spacing:2px;font-weight:600;margin-bottom:8px}.about-version{font-size:13px;color:var(--text-tertiary)}.about-features{margin:0 0 24px}.about-section-title{font-size:12px;color:var(--text-tertiary);padding:0 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var(--border-color)}.service-info-row:last-child{border-bottom:none}.service-info-icon{font-size:20px;flex-shrink:0}.service-info-content{flex:1}.service-info-label{font-size:12px;color:var(--text-tertiary);margin-bottom:2px}.service-info-value{font-size:15px;color:var(--text-primary)}.faq-item{border-bottom:1px solid var(--border-color)}.faq-item:last-child{border-bottom:none}.faq-question{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-size:15px;color:var(--text-primary);cursor:pointer}.faq-arrow{color:var(--text-tertiary);transition:transform .2s;flex-shrink:0}.faq-item.open .faq-arrow{transform:rotate(180deg)}.faq-answer{padding:0 16px 14px;font-size:14px;color:var(--text-secondary);line-height:1.6}.service-feedback-btn{display:block;width:100%;padding:14px;border-radius:24px;background:linear-gradient(90deg,var(--brand-orange),#F7C948);color:#fff;font-size:16px;font-weight:700;text-align:center;margin-top:8px;transition:opacity .2s}.service-feedback-btn:active{opacity:.8}.placeholder-page-container{display:flex;flex-direction:column;height:100%;background:var(--bg-primary)}.placeholder-body{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 32px}.placeholder-icon-wrap{width:80px;height:80px;border-radius:50%;background:var(--bg-card);display:flex;align-items:center;justify-content:center;margin-bottom:24px}.placeholder-coming-title{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:10px}.placeholder-coming-desc{font-size:14px;color:var(--text-secondary);text-align:center;line-height:1.6}.ai-page{display:flex;flex-direction:column;height:100%;overflow:hidden;padding-bottom:calc(var(--tab-bar-height) + var(--safe-area-bottom));background:var(--bg-primary)}.ai-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;height:var(--header-height);border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.ai-header .back-btn{display:flex;align-items:center;color:var(--brand-orange);font-size:16px;gap:4px}.ai-header .back-btn svg{width:20px;height:20px;fill:var(--brand-orange)}.ai-header .header-title{font-size:17px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:6px}.ai-header .header-title .ai-badge{font-size:10px;background:var(--brand-orange);color:#fff;padding:1px 6px;border-radius:8px;font-weight:700}.ai-header .history-btn{font-size:14px;color:var(--brand-orange)}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:16px}.chat-welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.chat-welcome .welcome-icon{font-size:48px;margin-bottom:16px}.chat-welcome .welcome-title{font-size:20px;font-weight:700;margin-bottom:8px;color:var(--brand-orange)}.chat-welcome .welcome-desc{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:24px}.chat-welcome .suggestion-list{display:flex;flex-direction:column;gap:10px;width:100%}.chat-welcome .suggestion-item{background:var(--bg-card);border-radius:12px;padding:12px 16px;font-size:14px;color:var(--text-primary);text-align:left;transition:background .2s;box-shadow:var(--shadow-sm)}.chat-welcome .suggestion-item:active{background:var(--bg-primary)}.message-bubble{display:flex;gap:10px;max-width:85%}.message-bubble.user{align-self:flex-end;flex-direction:row-reverse}.message-bubble.assistant{align-self:flex-start}.bubble-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px}.message-bubble.user .bubble-avatar{background:var(--brand-orange);color:#fff}.message-bubble.assistant .bubble-avatar{background:var(--brand-orange-light);font-size:16px}.bubble-content{border-radius:16px;padding:10px 14px;font-size:14px;line-height:1.6;word-break:break-word}.message-bubble.user .bubble-content{background:var(--brand-orange);color:#fff;border-top-right-radius:4px}.message-bubble.assistant .bubble-content{background:var(--bg-card);color:var(--text-primary);border-top-left-radius:4px;box-shadow:var(--shadow-sm)}.bubble-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.bubble-action-btn{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:16px;font-size:12px;background:var(--brand-orange-light);color:var(--brand-orange);border:1px solid rgba(245,166,35,.2);transition:background .2s}.bubble-action-btn:active{background:#f5a62333}.bubble-time{font-size:10px;color:var(--text-tertiary);margin-top:4px;padding:0 4px}.message-bubble.user .bubble-time{text-align:right}.typing-indicator{display:flex;gap:4px;padding:8px 4px;align-self:flex-start}.typing-indicator .dot{width:6px;height:6px;border-radius:50%;background:var(--text-tertiary);animation:typing-bounce 1.4s infinite}.typing-indicator .dot:nth-child(2){animation-delay:.2s}.typing-indicator .dot:nth-child(3){animation-delay:.4s}@keyframes typing-bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.chat-input-bar{display:flex;align-items:flex-end;gap:8px;padding:10px 16px;border-top:1px solid var(--border-color);background:var(--bg-secondary)}.chat-input-bar .attach-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-input);flex-shrink:0}.chat-input-bar .attach-btn svg{width:18px;height:18px;fill:var(--text-secondary)}.chat-input-bar .input-wrapper{flex:1;position:relative}.chat-input-bar textarea{width:100%;min-height:36px;max-height:120px;padding:8px 12px;background:var(--bg-input);border-radius:18px;font-size:14px;line-height:1.4;resize:none;color:var(--text-primary);border:1px solid var(--border-color)}.chat-input-bar textarea::placeholder{color:var(--text-tertiary)}.chat-input-bar textarea:focus{border-color:var(--brand-orange)}.chat-input-bar .send-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--brand-orange);flex-shrink:0;transition:opacity .2s}.chat-input-bar .send-btn.disabled{opacity:.4;pointer-events:none}.chat-input-bar .send-btn svg{width:18px;height:18px;fill:#fff}.chat-history-page{display:flex;flex-direction:column;height:100%;background:var(--bg-primary)}.history-list{flex:1;overflow-y:auto;padding:8px 16px}.history-item{display:flex;align-items:center;padding:14px 12px;margin-bottom:8px;background:var(--bg-card);border-radius:12px;gap:12px;box-shadow:var(--shadow-sm)}.history-item:active{background:var(--bg-primary)}.history-item .history-icon{width:40px;height:40px;border-radius:10px;background:var(--brand-orange-light);display:flex;align-items:center;justify-content:center;flex-shrink:0}.history-item .history-info{flex:1;min-width:0}.history-item .history-title{font-size:15px;font-weight:500;color:var(--text-primary);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item .history-preview{font-size:12px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item .history-time{font-size:11px;color:var(--text-tertiary);flex-shrink:0}.messages-page{display:flex;flex-direction:column;height:100%;overflow:hidden;background:var(--bg-primary)}.messages-header{display:flex;align-items:center;justify-content:center;padding:10px 16px;height:var(--header-height);background:var(--bg-secondary)}.messages-header .title{font-size:17px;font-weight:600;color:var(--text-primary)}.message-filter-tabs{display:flex;padding:0 12px;gap:0;border-bottom:1px solid var(--border-color);overflow-x:auto;-webkit-overflow-scrolling:touch;background:var(--bg-secondary)}.message-filter-tab{padding:10px 12px;font-size:13px;color:var(--text-secondary);white-space:nowrap;position:relative;transition:color .2s;flex-shrink:0}.message-filter-tab.active{color:var(--text-primary);font-weight:600}.message-filter-tab.active:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:20px;height:3px;background:var(--brand-orange);border-radius:2px}.message-list{flex:1;overflow-y:auto;padding:10px 16px;padding-bottom:calc(var(--tab-bar-height) + var(--safe-area-bottom) + 8px)}.message-card{background:var(--bg-card);border-radius:12px;padding:14px 16px;margin-bottom:10px;box-shadow:var(--shadow-sm);transition:background .15s}.message-card:active{background:var(--bg-primary)}.message-card.unread{border-left:3px solid var(--brand-orange)}.message-card .card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.message-card .signal-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:10px;font-size:11px;font-weight:600}.signal-badge.buy{background:#e74c3c1a;color:var(--color-buy)}.signal-badge.sell{background:#27ae601a;color:var(--color-sell)}.signal-badge.stop_loss{background:#ff17441a;color:#ff1744}.signal-badge.target_price{background:#f5a6231a;color:var(--brand-orange)}.signal-badge.system{background:#2f5bea1a;color:var(--color-empty)}.message-card .card-time{font-size:11px;color:var(--text-tertiary)}.message-card .card-title{font-size:15px;font-weight:500;color:var(--text-primary);margin-bottom:6px;line-height:1.4}.message-card .card-content{font-size:13px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.message-card .card-stock{display:flex;align-items:center;gap:8px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border-color)}.message-card .card-stock .stock-name{font-size:14px;font-weight:500;color:var(--text-primary)}.message-card .card-stock .stock-price{font-size:14px;font-weight:600;margin-left:auto}.message-detail-page{display:flex;flex-direction:column;height:100%;background:var(--bg-secondary)}.message-detail-scroll{flex:1;overflow-y:auto;padding:16px}.message-detail-title{font-size:20px;font-weight:700;color:var(--text-primary);margin-bottom:12px;line-height:1.4}.message-detail-meta{display:flex;align-items:center;gap:12px;margin-bottom:20px}.message-detail-content{font-size:15px;line-height:1.8;color:var(--text-secondary)}.message-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px}.message-empty .empty-icon{font-size:48px;margin-bottom:16px;opacity:.5}.message-empty .empty-text{font-size:14px;color:var(--text-tertiary)}