*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#0A84FF;--primary-dark:#007AFF;--primary-light:#5AC8FA;--secondary-color:#86868B;--accent-color:#30D158;--danger-color:#FF453A;--bg-primary:#E5E5EA;--bg-secondary:#FFFFFF;--bg-tertiary:#F5F5F7;--text-primary:#1D1D1F;--text-secondary:#86868B;--text-muted:#C7C7CC;--border-color:rgba(0,0,0,0.06);--separator-color:rgba(0,0,0,0.04);--bg-header:rgba(255,255,255,0.85);--bg-chat-inner:rgba(255,255,255,0.72);--bg-chat-header:rgba(255,255,255,0.60);--bg-quick-section:rgba(249,249,249,0.85);--bg-input-section:rgba(249,249,249,0.85);--bg-input-box:rgba(255,255,255,0.9);--bg-msg-bot:rgba(249,249,249,0.85);--bg-news-section:rgba(249,249,249,0.85);--bg-footer:rgba(249,249,249,0.85);--bg-scroll-btn:rgba(255,255,255,0.95);--bg-action-btn:rgba(0,0,0,0.03);--bg-quick-btn:rgba(255,255,255,0.75);--color-footer-text:rgba(0,0,0,0.35);--border-header:rgba(0,0,0,0.04);--border-section:rgba(0,0,0,0.03);--bg-merchant-link:transparent;--border-merchant-link:rgba(0,0,0,0.08);--bg-upload-btn:rgba(10,132,255,0.08);--bg-clear-btn:transparent;--border-clear-btn:rgba(0,0,0,0.06);--shadow-header:0 1px 0 rgba(0,0,0,0.03),0 4px 20px rgba(0,0,0,0.04);--shadow-chat-inner:0 2px 8px rgba(0,0,0,0.04),0 12px 40px rgba(0,0,0,0.08),0 0 0 1px rgba(10,132,255,0.04)inset;--shadow-input-box:0 2px 8px rgba(0,0,0,0.04),0 0 0 1px rgba(0,0,0,0.06)inset;--shadow-input-focus:0 4px 20px rgba(10,132,255,0.15),0 0 0 4px rgba(10,132,255,0.08),0 0 0 1px rgba(10,132,255,0.15)inset;--shadow-quick-btn:0 2px 8px rgba(0,0,0,0.04);--shadow-scroll-btn:0 4px 15px rgba(0,0,0,0.08);--shadow-msg-bot:0 2px 8px rgba(0,0,0,0.04);--shadow-sm:0 1px 3px rgba(0,0,0,0.3);--shadow-md:0 4px 12px rgba(0,0,0,0.4);--shadow-lg:0 8px 30px rgba(0,0,0,0.5);--shadow-xl:0 16px 48px rgba(0,0,0,0.6);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px}body{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display','SF Pro Text','Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft 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fadeIn{from{opacity:0}to{opacity:1}}.edit-modal{background:var(--bg-secondary);border-radius:var(--radius-lg);width:90%;max-width:500px;max-height:80vh;overflow:hidden;box-shadow:var(--shadow-lg);animation:slideUp 0.2s ease}@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--border-color);background:var(--bg-primary)}.modal-header h3{margin:0;font-size:1.1rem;color:var(--text-primary)}.modal-close{width:28px;height:28px;border:none;background:transparent;border-radius:var(--radius-sm);cursor:pointer;font-size:20px;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:all 0.2s ease}.modal-close:hover{background:var(--bg-secondary);color:var(--text-primary)}.modal-body{padding:24px;max-height:50vh;overflow-y:auto}.modal-body .form-group{margin-bottom:20px}.modal-body .form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:8px}.modal-body textarea,.modal-body input{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:14px;color:var(--text-primary);background:var(--bg-primary);resize:vertical;box-sizing:border-box;transition:border-color 0.2s ease}.modal-body textarea:focus,.modal-body input:focus{outline:none;border-color:var(--primary-color)}.readonly-textarea{background:var(--bg-secondary);color:var(--text-muted);cursor:not-allowed}.modal-footer{display:flex;gap:12px;padding:20px 24px;border-top:1px solid var(--border-color);background:var(--bg-primary)}.modal-footer .btn{flex:1;justify-content:center}.clear-btn{padding:8px 18px;background:var(--bg-clear-btn);border:1px solid var(--border-clear-btn);border-radius:var(--radius-full);font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all 0.2s ease;display:flex;align-items:center;gap:6px}.clear-btn:hover{background:rgba(255,69,58,0.1);border-color:rgba(255,69,58,0.2);color:var(--danger-color)}.clear-icon{width:16px;height:16px}.news-section{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-md);border:1px solid rgba(0,0,0,0.03)}.news-list{display:flex;flex-direction:column;gap:20px}.news-item{display:flex;gap:20px;padding:16px;border-radius:var(--radius-md);transition:all 0.3s cubic-bezier(0.4,0,0.2,1);cursor:default;background:rgba(0,0,0,0.01)}.news-item:hover{background:rgba(0,0,0,0.01)}.news-item img{width:160px;height:110px;object-fit:cover;border-radius:var(--radius-md);flex-shrink:0}.news-content{flex:1;display:flex;flex-direction:column;gap:10px}.news-content h3{font-size:15px;font-weight:600;color:var(--text-primary);line-height:1.4;transition:color 0.2s ease}.news-item:hover .news-content h3{color:var(--primary-color)}.news-content p{font-size:13.5px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.news-time{font-size:12px;color:var(--text-muted)}.footer{text-align:center;padding:20px;background:var(--bg-footer);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--border-section);font-size:13px;color:var(--color-footer-text)}.news-loading{color:var(--text-muted)}.typing-indicator{display:flex;gap:4px;padding:12px}.typing-indicator span{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:0.2s}.typing-indicator span:nth-child(3){animation-delay:0.4s}.typing-text{width:auto !important;height:auto !important;background:none !important;border-radius:0 !important;animation:none !important;font-size:13px;color:var(--text-muted);margin-left:4px;line-height:1}@keyframes typing{0%,60%,100%{transform:scale(0.6);opacity:0.5}30%{transform:scale(1);opacity:1}}.verified-badge{display:inline;background:linear-gradient(135deg,#ffd700 0%,#ffb700 100%);color:#8B4513;padding:2px 8px;border-radius:4px;font-size:13px;font-weight:600;box-shadow:0 2px 6px rgba(255,215,0,0.3);animation:shimmer 2s ease-in-out infinite;cursor:help;position:relative}.verified-badge:hover::after{content:attr(title);position:absolute;bottom:calc(100%+8px);left:50%;transform:translateX(-50%);background:#333;color:white;padding:8px 12px;border-radius:8px;font-size:12px;white-space:nowrap;z-index:100;opacity:0;visibility:hidden;transition:all 0.2s ease;max-width:300px}.verified-badge:hover::before{content:'';position:absolute;bottom:calc(100%);left:50%;transform:translateX(-50%);border:6px solid transparent;border-top-color:#333;opacity:0;visibility:hidden;transition:all 0.2s ease}.verified-badge:hover::after,.verified-badge:hover::before{opacity:1;visibility:visible}@keyframes shimmer{0%,100%{box-shadow:0 2px 8px rgba(255,215,0,0.3)}50%{box-shadow:0 2px 12px rgba(255,215,0,0.5)}}@media(max-width:768px){.header{padding:8px 12px;position:sticky;top:0;z-index:100}.header-inner{padding:0;gap:8px;flex-wrap:wrap}.logo-area{flex-shrink:0}.logo-icon{width:80px;height:40px}.logo-icon img{object-fit:contain}.logo-text{font-size:1.1rem;display:none}.nav{gap:6px;flex-wrap:wrap}.nav-link{padding:6px 10px;font-size:12px;gap:6px}.nav-icon{width:16px;height:16px}.nav-link span{display:none}.user-panel{margin-right:0;gap:8px}.user-name{font-size:12px;display:none}.login-btn,.logout-btn{padding:4px 10px;font-size:12px}.main-content{height:calc(100vh - 56px);height:calc(100dvh - 56px);padding-bottom:0}.chat-section-inner{max-width:100%;margin:0;border-radius:0;border-left:none;border-right:none;box-shadow:none;flex:1;display:flex;flex-direction:column;min-height:0}.chat-header{padding:8px 12px;background:var(--bg-chat-header);backdrop-filter:blur(10px)}.clear-btn{padding:6px 12px;font-size:12px;gap:4px}.clear-icon{width:14px;height:14px}.messages-wrapper{flex:1;min-height:0}.messages{padding:12px 10px;gap:12px;flex:1;min-height:0}.welcome-content{padding:24px 12px}.welcome-header h1{font-size:1.1rem}.welcome-header p{font-size:0.8rem;line-height:1.5}.message{max-width:92%;gap:8px}.avatar{width:32px;height:32px}.avatar svg{width:16px;height:16px}.content{padding:10px 14px;font-size:13px;line-height:1.5}.user-message .content{border-bottom-right-radius:4px}.bot-message .content{border-bottom-left-radius:4px}.user-badge{font-size:10px;padding:2px 8px;margin-bottom:4px}.quick-section{padding:8px 12px;background:var(--bg-quick-section)}.quick-container{flex-direction:column;align-items:flex-start;gap:6px}.quick-label{font-size:11px}.quick-buttons{gap:4px;flex-wrap:wrap}.quick-btn{padding:5px 10px;font-size:11px;border-radius:12px}.input-section{padding:8px 12px 12px 12px;background:var(--bg-input-section);border-top:1px solid var(--border-section);flex-shrink:0}.input-container{width:100%;margin:0 auto}.input-box{padding:6px 10px;gap:4px;border-radius:20px}.input-box textarea{font-size:16px;padding:6px 0}.action-btn{height:34px;padding:0 10px;font-size:12px}.icon{width:18px;height:18px}.btn-label{font-size:12px}.send-btn{width:34px;height:34px;border-radius:50%}.btn-icon{width:16px;height:16px}.input-hint{font-size:10px;margin-top:6px}.news-section-bottom{max-height:140px;padding-top:8px;padding-bottom:8px}.news-container{padding:8px 12px}.section-header-bottom{margin-bottom:4px}.section-header-bottom h2{font-size:13px}.more-link{font-size:11px;padding:4px 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p{font-size:0.75rem;line-height:1.5}.message{max-width:94%;gap:6px}.avatar{width:28px;height:28px}.avatar svg{width:14px;height:14px}.content{padding:8px 12px;font-size:12px}.user-badge{font-size:9px;padding:1px 6px}.quick-section{padding:6px 10px}.quick-label{font-size:10px}.quick-btn{padding:4px 8px;font-size:10px;border-radius:10px}.input-section{padding:6px 10px 10px 10px}.input-box{display:grid !important;grid-template-columns:auto 1fr auto auto auto;align-items:center;padding:4px 8px !important;gap:4px;border-radius:16px;height:40px}.input-box textarea{font-size:13px;padding:4px 0;height:auto;min-height:20px}.action-btn{height:30px;padding:0 6px;font-size:11px;min-width:30px;justify-content:center}.btn-label{display:none !important}.icon{width:16px;height:16px}.btn-label{font-size:11px}.send-btn{width:30px;height:30px;border-radius:50%}.btn-icon{width:14px;height:14px}.input-hint{font-size:9px;margin-top:4px}.news-section-bottom{max-height:120px}.news-container{padding:6px 10px}.section-header-bottom h2{font-size:13px}.news-item-bottom{padding:8px}.news-item-bottom img{width:70px;height:52px;border-radius:4px}.news-content-bottom h3{font-size:12px;margin-bottom:3px}.news-content-bottom p{font-size:10px;margin-bottom:3px}.news-time{font-size:9px}}.user-panel{display:flex;align-items:center;gap:12px;margin-right:16px}.user-name{font-size:14px;font-weight:500;color:var(--text-secondary);transition:color 0.2s ease}.login-btn,.logout-btn{padding:6px 16px;border:none;border-radius:var(--radius-full);font-size:13px;font-weight:500;cursor:pointer;transition:all 0.2s ease}.login-btn{background:rgba(26,115,232,0.1);color:var(--primary-color)}.login-btn:hover{background:rgba(26,115,232,0.2)}.logout-btn{background:rgba(220,53,69,0.1);color:#dc3545}.logout-btn:hover{background:rgba(220,53,69,0.2)}#adminHeaderLink{display:none !important}.footer-admin-link{display:inline-flex;align-items:center;justify-content:center;color:var(--color-footer-text);opacity:0.35;text-decoration:none;margin-bottom:4px;transition:opacity 0.2s}.footer-admin-link:hover{opacity:0.8;color:var(--primary-color)}.voice-input-btn{display:none;flex:1;align-items:center;justify-content:center;gap:6px;height:38px;border:1px solid rgba(10,132,255,0.2);border-radius:19px;background:var(--bg-primary);color:var(--text-primary);font-size:14px;cursor:pointer;transition:all 0.2s ease;user-select:none;-webkit-user-select:none;outline:none;margin:0 4px}.voice-input-btn:hover{background:rgba(10,132,255,0.08)}.voice-input-btn:active,.voice-input-btn.recording{background:rgba(10,132,255,0.15);border-color:var(--primary-color);transform:scale(0.98)}.voice-input-btn .icon{width:18px;height:18px;color:var(--primary-color)}.voice-input-btn span{pointer-events:none}.mode-toggle{display:flex 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svg{width:18px;height:18px}.voice-cancel-tip.active{display:flex}.voice-recording-icon{position:relative;width:72px;height:72px;display:flex;align-items:center;justify-content:center}.voice-recording-icon .mic-icon{width:32px;height:32px;color:#fff;z-index:2}.voice-recording-icon.cancelling .mic-icon{color:#FF453A}.voice-wave{position:absolute;border-radius:50%;border:2px solid rgba(255,255,255,0.3);animation:voice-wave-pulse 1.2s ease-in-out infinite}.voice-wave.wave-1{width:100%;height:100%;animation-delay:0s}.voice-wave.wave-2{width:85%;height:85%;animation-delay:0.3s}.voice-wave.wave-3{width:70%;height:70%;animation-delay:0.6s}.voice-recording-icon.cancelling .voice-wave{border-color:rgba(255,69,58,0.4);animation:none}@keyframes voice-wave-pulse{0%,100%{transform:scale(1);opacity:0.5}50%{transform:scale(1.15);opacity:0.2}}.voice-recording-text{color:rgba(255,255,255,0.7);font-size:13px;text-align:center}@media(min-width:769px){body,.page-container{height:auto;overflow:visible}.main-content{height:auto;overflow:visible;flex:none}.header-inner{max-width:100%;padding:0 40px}.chat-section{flex:none;overflow:visible;padding-bottom:0}.chat-section-inner{flex:none;overflow:visible}.messages-wrapper{overflow:hidden;flex:none;min-height:0}.messages{overflow-y:auto;max-height:480px;height:auto}.quick-section{flex-shrink:0}.input-section{flex-shrink:0}.news-section-bottom{max-height:none;overflow:visible}.footer{display:block !important}}.auth-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.75);display:flex;align-items:center;justify-content:center;z-index:1000;animation:modalFadeIn 0.3s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}@keyframes modalFadeIn{from{opacity:0;backdrop-filter:blur(0px)}to{opacity:1;backdrop-filter:blur(8px)}}.auth-modal{background:linear-gradient(145deg,#2C2C2E 0%,#3A3A3C 50%,#2C2C2E 100%);border-radius:20px;width:90%;max-width:380px;max-height:80vh;overflow-y:auto;position:relative;animation:modalSlideUp 0.4s cubic-bezier(0.34,1.56,0.64,1);box-shadow:0 25px 80px rgba(10,132,255,0.2),0 15px 40px rgba(0,0,0,0.5),0 5px 15px rgba(0,0,0,0.3),inset 0 1px 0 rgba(10,132,255,0.1)}.auth-modal::before{content:'';position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;background:linear-gradient(135deg,#0A84FF 0%,#60A5FA 25%,#8B5CF6 50%,#6366F1 75%,#0A84FF 100%);border-radius:26px;z-index:-1;opacity:0.8;filter:blur(1px)}.auth-modal::after{content:'';position:absolute;top:-50px;right:-50px;width:150px;height:150px;background:radial-gradient(circle,rgba(10,132,255,0.2)0%,transparent 70%);pointer-events:none;animation:glowPulse 3s ease-in-out infinite}.auth-modal .modal-glow{position:absolute;top:-30px;left:-30px;width:80px;height:80px;background:radial-gradient(circle,rgba(96,165,250,0.25)0%,transparent 70%);pointer-events:none;animation:glowFloat 4s ease-in-out infinite}@keyframes modalSlideUp{from{transform:translateY(40px)scale(0.95);opacity:0}to{transform:translateY(0)scale(1);opacity:1}}@keyframes glowPulse{0%,100%{opacity:0.6;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}@keyframes glowFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(10px,-10px)}}@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.auth-tabs{display:flex;background:rgba(255,255,255,0.04);padding:10px;margin:20px;border-radius:16px;box-shadow:inset 0 2px 4px rgba(0,0,0,0.3)}.auth-tab{flex:1;padding:12px;border:none;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);background:transparent;color:var(--text-secondary);position:relative;overflow:hidden}.auth-tab::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,var(--primary-color)0%,var(--primary-light)100%);opacity:0;transition:opacity 0.3s ease;border-radius:12px}.auth-tab.active{background:var(--bg-tertiary);color:var(--primary-color);box-shadow:0 4px 12px rgba(10,132,255,0.2),0 2px 6px rgba(0,0,0,0.3);transform:translateY(-1px)}.auth-tab.active::before{opacity:0.05}.auth-form{padding:0 28px 28px;overflow-y:auto;max-height:calc(80vh - 60px)}.auth-form .form-group{margin-bottom:18px}.auth-form .form-group label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:8px;letter-spacing:0.3px}.auth-form input,.auth-form textarea{width:100%;padding:11px 16px;border:2px solid var(--border-color);border-radius:12px;font-size:14px;color:var(--text-primary);background:var(--bg-tertiary);box-sizing:border-box;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);box-shadow:inset 0 2px 4px rgba(0,0,0,0.03),0 1px 2px rgba(0,0,0,0.02)}.auth-form input:focus,.auth-form textarea:focus{outline:none;border-color:var(--primary-color);background:var(--bg-secondary);box-shadow:0 0 0 4px rgba(10,132,255,0.1),0 4px 12px rgba(10,132,255,0.15);transform:translateY(-1px)}.auth-form input:hover:not(:focus),.auth-form textarea:hover:not(:focus){border-color:rgba(255,255,255,0.12);box-shadow:inset 0 2px 4px rgba(0,0,0,0.3),0 2px 8px rgba(0,0,0,0.2)}.auth-btn{width:100%;padding:13px 20px;background:linear-gradient(135deg,var(--primary-color)0%,var(--primary-dark)100%);color:white;border:none;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);margin-top:12px;position:relative;overflow:hidden;box-shadow:0 4px 15px rgba(10,132,255,0.4),0 2px 6px rgba(0,0,0,0.2)}.auth-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);transition:left 0.5s ease}.auth-btn:hover{background:linear-gradient(135deg,#0A84FF 0%,#007AFF 100%);transform:translateY(-2px);box-shadow:0 8px 25px rgba(10,132,255,0.5),0 4px 12px rgba(0,0,0,0.3)}.auth-btn:hover::before{left:100%}.auth-btn:active{transform:translateY(0);box-shadow:0 2px 8px rgba(10,132,255,0.4),0 1px 3px rgba(0,0,0,0.2)}.auth-hint{text-align:center;font-size:12px;color:var(--text-muted);margin-top:20px}.modal-close-btn{position:absolute;top:16px;right:16px;width:36px;height:36px;border:1px solid rgba(255,255,255,0.06);background:rgba(255,255,255,0.04);border-radius:50%;font-size:22px;color:var(--text-secondary);cursor:pointer;transition:all 0.3s ease;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,0.3)}.modal-close-btn:hover{background:rgba(255,255,255,0.08);transform:rotate(90deg)scale(1.1);box-shadow:0 4px 12px rgba(0,0,0,0.4);color:var(--danger-color)}.modal-close-btn:active{transform:rotate(90deg)scale(1)}@media(max-width:768px){.user-panel{margin-right:8px;gap:8px}.user-name{font-size:12px}.login-btn,.logout-btn{padding:4px 12px;font-size:12px}}.merchant-card-message .content{width:100%}.merchant-card{background:linear-gradient(135deg,rgba(10,132,255,0.06)0%,rgba(96,165,250,0.03)100%);border:1px solid rgba(10,132,255,0.15);border-radius:12px;padding:16px;margin-top:8px}.merchant-card-name{font-size:16px;font-weight:600;color:var(--primary-light)}.merchant-card-header{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}.merchant-card-icon{font-size:24px}.merchant-card .verified-badge{background:linear-gradient(135deg,#f5c518,#f0a800);color:#fff;padding:2px 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infinite}#page-loader{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#F5F5F7;z-index:9999;transition:opacity 0.4s ease,visibility 0.4s ease}#page-loader.hide{opacity:0;visibility:hidden}.spinner{width:36px;height:36px;border:3px solid rgba(0,0,0,0.08);border-top-color:#0A84FF;border-radius:50%;animation:spin 0.8s linear infinite}#page-loader p{margin-top:16px;font-size:14px;color:rgba(0,0,0,0.4)}@keyframes spin{to{transform:rotate(360deg)}}