:root{font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;color:#293d35;background:#f7f8f4;font-synthesis:none;font-weight:400;--green:#38594b;--muted:#929c92;--border:#e7eae1;--app-height:100dvh;--viewport-top:0px}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer;border:0}button:disabled{cursor:default;opacity:.45}button,input,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #799d80;outline-offset:4px}button,a{color:inherit}svg{flex-shrink:0}button{transition:background .18s,opacity .18s,transform .18s}button:not(:disabled):active{transform:translateY(1px)}button:hover{filter:brightness(.98)}.icon-button{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:11px;background:transparent;color:#7e8b80}.icon-button:hover{background:#e9ede5}.flower-avatar{width:70px;height:70px;flex:none;display:flex;align-items:center;justify-content:center;border-radius:50%;color:#677b51;background:radial-gradient(circle at 30% 20%,#ecedcb,#dce5cd);border:1px solid #dce3ce}.flower-avatar svg{width:52px;height:52px}.flower-avatar.small{width:39px;height:39px}.flower-avatar.small svg{width:30px;height:30px}.eyebrow{font-size:10px;letter-spacing:2.4px;color:#8c9988}.primary{width:100%;height:49px;border-radius:12px;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;gap:13px;font-size:14px;letter-spacing:.5px}.diagonal{transform:rotate(45deg)}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.mobile-only{display:none!important}.boot{height:100dvh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px;color:var(--muted);font-size:13px}.login-page{min-height:100dvh;display:grid;place-items:center;position:relative;overflow:hidden;background:#f5f6ef}.login-card{z-index:1;width:350px;text-align:center;padding:60px 15px}.login-card>.flower-avatar{margin:0 auto 35px}.login-card h1{font-size:42px;letter-spacing:-1px;font-weight:450;font-family:Georgia,Songti SC,serif;margin:16px 0}.login-card h1 span{display:block;font-family:-apple-system,PingFang SC,sans-serif;font-size:20px;font-weight:400;letter-spacing:2px;margin-top:23px}.login-description{font-size:13px;line-height:2.1;color:#90998c;margin:22px 0 37px}.login-card form{text-align:left}.login-card label{display:block;color:#818d7b;font-size:11px;margin-bottom:10px}.password-field{display:flex;align-items:center;gap:10px;padding:0 15px;height:49px;background:#fff9;border:1px solid #e1e6d9;border-radius:12px;color:#9aa28c;margin-bottom:14px}.password-field input{width:100%;min-width:0;border:0;outline:0;background:none;font-size:14px;color:var(--green)}.password-field input::placeholder{color:#a5ad9f}.identity-note{font-size:10px;color:#a1a797;margin-top:28px}.form-error{color:#9d6250;font-size:12px;line-height:1.5}.login-art{position:absolute;width:730px;height:730px;border:1px solid #dfe4d452;border-radius:50%;left:-260px;bottom:-330px}.login-art:after,.login-art:before{content:"";position:absolute;inset:65px;border:1px solid #dfe4d460;border-radius:50%}.login-art:after{inset:140px}.login-art i{position:absolute;left:360px;top:120px;width:80px;height:180px;border-radius:0 100%;background:#b8c8a52a;transform:rotate(-30deg)}.login-art i:nth-child(2){top:80px;left:215px;transform:rotate(-70deg);width:100px;height:200px}.login-art i:nth-child(3){left:480px;top:240px;transform:rotate(20deg)}.login-corner{position:absolute;right:38px;bottom:32px;color:#a4ad97;font-size:10px;letter-spacing:3px}.app-shell{position:fixed;inset:var(--viewport-top) 0 auto;height:var(--app-height);display:flex;overflow:hidden;background:#f8f9f5}.sidebar{width:273px;flex:none;background:#f0f3eb;border-right:1px solid #e3e7dc;padding:33px 19px 16px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;padding:0 7px;margin-bottom:35px}.brand>div{font-family:Georgia,serif;font-size:25px;letter-spacing:.2px}.brand span:not(.flower-avatar){display:block;font-family:inherit;font-size:10px;letter-spacing:1px;margin-top:6px;color:#889781}.new-chat{display:flex;align-items:center;gap:10px;padding:14px 15px;background:#fff9;border:1px solid #dce4d6;border-radius:12px;font-size:12px;color:#56704c;margin-bottom:31px}.new-chat>span{margin-left:auto;color:#acb69f;font-size:13px}.sidebar-label{font-size:10px;letter-spacing:1.5px;color:#9ba48f;display:flex;justify-content:space-between;padding:0 12px;margin-bottom:14px}.sidebar nav{overflow:auto;flex:1}.conversation{display:flex;align-items:flex-start;gap:11px;width:100%;padding:14px 12px;border-radius:11px;background:transparent;text-align:left;margin-bottom:6px;color:#899882}.conversation.selected{background:#e2e9d9;color:#4c6845}.conversation>svg{margin-top:2px}.conversation>span{overflow:hidden;flex:1}.conversation strong{font-size:12px;font-weight:400;color:#596953;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.conversation small{font-size:10px;color:#a0aa94;display:block;margin-top:7px}.conversation i{width:5px;height:5px;border-radius:50%;background:#8eac7f;align-self:center}.sidebar-footer{display:flex;align-items:center;gap:7px;font-size:10px;color:#9ba48e;padding:16px 7px 0;border-top:1px solid #e2e7d9;margin-top:16px}.sidebar-footer>.icon-button{margin-left:auto;width:26px}.little-dot{width:5px;height:5px;background:#a1b88d;border-radius:50%}.chat-main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}.chat-header{height:91px;flex:none;display:flex;align-items:center;padding:0 39px;gap:12px;border-bottom:1px solid var(--border);background:#fafbf8e8}.header-name h1{font-size:17px;line-height:1.2;margin:0 0 7px;font-weight:500;font-family:Georgia,Songti SC,serif;letter-spacing:.6px}.header-name span{display:flex;align-items:center;gap:7px;font-size:10px;color:#a0aa98}.header-name i{width:3px;height:3px;border-radius:50%;background:#b1bbaa}.conversation-title{font-size:11px;max-width:30%;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;margin-left:auto;color:#a4ad9d}.chat-header>.icon-button:last-child{margin-left:10px}.message-scroll{overflow-y:auto;overscroll-behavior:contain;flex:1;min-height:0;scrollbar-width:thin;scrollbar-color:#dde4d8 transparent}.message-column{max-width:828px;margin:auto;padding:12px 40px 22px;min-height:100%}.date-divider{display:flex;justify-content:center;padding:17px 0 29px;font-size:10px;letter-spacing:.5px;color:#aab29f}.date-divider span{background:#eef1e7;padding:5px 13px;border-radius:20px}.message-group{display:flex;gap:11px;margin-bottom:24px;align-items:flex-start}.message-group>.flower-avatar{width:30px;height:30px;margin-top:1px}.message-group>.flower-avatar svg{width:25px;height:25px}.message-body{max-width:82%;min-width:0}.message-group.user{justify-content:flex-end}.message-group.user .message-body{max-width:76%}.bubble-stack{display:flex;flex-direction:column;gap:7px;align-items:flex-start}.user .bubble-stack{align-items:flex-end}.bubble{border-radius:2px 15px 15px;padding:12px 16px;background:#fff;border:1px solid #e9ede3;line-height:1.85;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere;color:#455440;box-shadow:0 2px 3px #485a3702;max-width:100%}.user .bubble{border-radius:15px 2px 15px 15px;background:#dfead8;border-color:#dfead8;color:#42563a}.message-meta{display:flex;gap:5px;align-items:center;font-size:9px;color:#adb6a4;margin-top:8px;padding-left:3px}.user .message-meta{justify-content:flex-end;padding-right:3px}.message-meta>button{margin-left:8px;display:flex;gap:5px;align-items:center;background:none;color:#8da07f;font-size:10px;padding:2px 3px}.message-meta button:hover{color:#4e7240}.pending-bubble{opacity:.75}.typing-row{display:flex;gap:12px;align-items:center;font-size:10px;color:#a4af99;padding-bottom:15px}.typing-row>.flower-avatar{width:30px;height:30px}.typing-row svg{width:25px}.typing-dots{background:#fff;border:1px solid var(--border);display:flex;gap:4px;padding:17px 15px;border-radius:2px 14px 14px}.typing-dots i{width:4px;height:4px;border-radius:50%;background:#a3b191;animation:pulse 1.4s infinite}.typing-dots i:nth-child(2){animation-delay:.2s}.typing-dots i:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,70%,to{opacity:.35;transform:translateY(0)}35%{opacity:1;transform:translateY(-3px)}}.composer-wrap{flex:none;padding:12px 40px 17px;width:100%;max-width:828px;margin:0 auto;background:#f8f9f5}.composer{border:1px solid #e0e6d9;border-radius:17px;background:#fff;box-shadow:0 5px 20px #53694706;display:flex;align-items:flex-end;padding:12px 12px 12px 19px;gap:13px}.composer textarea{flex:1;min-width:0;resize:none;max-height:144px;line-height:24px;border:0;outline:0;padding:6px 0;background:none;color:#465640;font-size:14px;box-sizing:content-box}.composer textarea::placeholder{color:#a5ae9b}.composer>button{background:#446244;color:#fff;border-radius:11px;width:38px;height:38px;display:flex;align-items:center;justify-content:center;flex:none}.composer-hint{display:flex;justify-content:space-between;margin:10px 5px 0;font-size:9px;color:#b0b8a6;letter-spacing:.4px}.scroll-down{position:absolute;right:30px;bottom:126px;border:1px solid #dce4d6;background:#fff;color:#7f9870;width:34px;height:34px;border-radius:50%;box-shadow:0 3px 13px #4e654011;display:grid;place-items:center}.empty-state{min-height:calc(var(--app-height) - 265px);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding-bottom:30px}.empty-decoration{font-family:Georgia,serif;font-size:55px;color:#bbc8a7;margin-bottom:25px;font-weight:200}.empty-state .eyebrow{font-size:9px;letter-spacing:2px;color:#a7b198}.empty-state h2{font-size:25px;font-weight:400;font-family:Songti SC,"Noto Serif CJK SC",serif;letter-spacing:2px;margin:22px 0 12px}.empty-state p{font-size:12px;color:#a2ad96;margin:0;line-height:1.9}.starter-row{display:flex;justify-content:center;gap:9px;margin-top:37px;flex-wrap:wrap}.starter-row button{background:#f1f4eb;border:1px solid #e3e9dc;color:#849676;border-radius:25px;padding:9px 12px;font-size:10px;display:flex;align-items:center;gap:8px}.loading-history{display:flex;justify-content:center;align-items:center;gap:10px;color:#9da991;font-size:12px;margin:35px}.load-older{display:block;margin:12px auto 0;background:none;color:#94a385;font-size:11px}.retry-row{display:flex;gap:9px;align-items:center;justify-content:flex-end;color:#b08a71;font-size:11px;margin-bottom:20px;line-height:1.8}.retry-row button{border:1px solid #e8dfce;border-radius:8px;display:flex;align-items:center;gap:5px;font-size:11px;background:#fcfaf4;color:#9a8065;padding:5px 8px}.offline-note{display:flex;align-items:center;justify-content:center;gap:7px;background:#f0eadc;color:#a28b65;font-size:11px;padding:8px}.toast{margin:0 0 10px;padding:9px 12px;border-radius:8px;background:#f2ebdf;color:#9c8064;display:flex;align-items:center;justify-content:space-between;gap:7px;font-size:11px}.toast button{background:none;display:flex;color:inherit}.modal-backdrop{position:fixed;inset:0;background:#26372647;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:50;display:flex;align-items:center;justify-content:center;padding:25px}.about-card{background:#fafbf6;border-radius:24px;width:390px;padding:37px;position:relative}.modal-close{position:absolute;right:12px;top:12px}.about-card>.flower-avatar{margin:auto}.about-card h2{font-family:Georgia,serif;font-size:30px;font-weight:400;text-align:center;margin:20px 0}.about-card>p{font-size:13px;line-height:1.9;color:#89977c}.about-note{display:flex;gap:9px;font-size:11px;line-height:1.8;color:#97a28b;margin:24px 0}.about-card .primary{margin-top:27px}.evidence-sheet{background:#fafbf7;border-radius:22px;display:flex;flex-direction:column;width:min(660px,100%);max-height:80vh;padding:24px}.evidence-sheet header{display:flex;align-items:center;justify-content:space-between}.evidence-sheet header>div{display:flex;align-items:center;gap:10px;color:#6f8661}.evidence-sheet h2{font-size:17px;font-weight:400;margin:0}.evidence-intro{font-size:11px;color:#9da78f;margin:10px 0 22px}.evidence-list{overflow:auto;overscroll-behavior:contain}.evidence-list article{background:#fff;border:1px solid #e6eadf;border-radius:13px;padding:18px;margin-bottom:12px}.evidence-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:10px;color:#a2aa98}.evidence-meta strong{font-weight:500;color:#627a53;font-size:12px}.evidence-meta>span{margin-left:auto;background:#eff3e9;border-radius:4px;padding:3px 5px}.evidence-list article p{font-size:13px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;color:#58694c}.evidence-list article small{font-size:9px;color:#afb5a5}.scrim{display:none}@media(min-width:1450px){.sidebar{width:290px}.chat-header{padding-left:55px}.message-column,.composer-wrap{max-width:890px}}@media(max-width:760px){.desktop-only{display:none!important}.mobile-only{display:inline-flex!important}.app-shell{background:#f8f9f5}.sidebar{position:absolute;top:0;bottom:0;left:0;width:285px;z-index:30;transform:translate(-100%);transition:transform .23s ease;padding-top:max(24px,env(safe-area-inset-top));padding-bottom:max(16px,env(safe-area-inset-bottom))}.sidebar.open{transform:translate(0)}.brand>.icon-button{margin-left:auto}.scrim{display:block;position:absolute;inset:0;z-index:20;background:#20322255;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.chat-header{height:72px;padding:10px 15px;gap:10px}.chat-header>.flower-avatar{width:35px;height:35px}.chat-header .header-name{flex:1}.header-name h1{font-size:17px;margin-bottom:5px}.header-name span{font-size:9px}.chat-header>.icon-button:first-child{margin-left:-4px;width:28px}.chat-header>.icon-button:last-child{margin-left:auto}.conversation-title{display:none}.message-column{padding:8px 16px 14px}.date-divider{padding:14px 0 24px}.message-group{gap:8px;margin-bottom:21px}.message-group>.flower-avatar{width:28px;height:28px}.message-body{max-width:calc(100% - 44px)}.message-group.user .message-body{max-width:85%}.bubble{font-size:14px;line-height:1.8;padding:10px 13px}.message-meta{font-size:9px}.composer-wrap{padding:9px 14px max(12px,env(safe-area-inset-bottom))}.composer{border-radius:15px;padding:8px 8px 8px 14px;gap:10px}.composer textarea{font-size:16px;line-height:24px}.composer>button{width:36px;height:36px;border-radius:10px}.composer-hint{font-size:9px;margin-top:8px}.scroll-down{right:17px;bottom:115px}.empty-state{min-height:calc(var(--app-height) - 220px);padding-bottom:25px}.empty-decoration{font-size:49px;margin-bottom:23px}.empty-state h2{font-size:23px;letter-spacing:1px}.empty-state .eyebrow{font-size:8px;letter-spacing:1.7px}.empty-state p{font-size:11px}.starter-row{max-width:310px;gap:8px;margin-top:28px}.starter-row button{font-size:10px;padding:9px 11px}.login-card{width:335px;padding:35px 16px}.login-card>.flower-avatar{margin-bottom:29px}.login-card h1{font-size:39px}.login-card h1 span{font-size:19px}.login-corner{right:24px;bottom:22px;font-size:8px}.login-art{left:-425px;bottom:-360px}.password-field input{font-size:16px}.modal-backdrop{padding:18px}.about-card{padding:32px 26px;border-radius:20px}.evidence-backdrop{align-items:flex-end;padding:0}.evidence-sheet{max-height:85%;border-radius:21px 21px 0 0;padding:20px 18px max(24px,env(safe-area-inset-bottom));width:100%}.evidence-sheet:before{content:"";display:block;width:32px;height:4px;background:#dbe3d1;border-radius:4px;align-self:center;margin:-8px 0 18px}.evidence-meta{gap:6px}.retry-row{font-size:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.voice-composer{width:100%;margin:0 0 8px}.voice-composer button,.audio-player button{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;cursor:pointer;font:inherit}.voice-start{background:transparent;color:#727565;padding:7px 3px;font-size:12px!important}.voice-draft{padding:12px;background:#f6f5ef;border:1px solid #dedfd4;border-radius:16px}.voice-draft-header{display:flex;align-items:center;gap:12px;font-size:12px;color:#737769}.voice-draft-header>span:first-child{flex:1}.voice-draft-header button{width:32px;height:32px;background:transparent;color:#737769}.voice-draft textarea{display:block;width:100%;max-height:135px;min-height:65px;resize:vertical;border:0;background:transparent;color:#363d32;font:inherit;line-height:1.65;outline:none}.voice-draft audio{display:block;width:100%;height:36px;margin:8px 0}.voice-actions{display:flex;justify-content:flex-end;margin-top:8px}.voice-actions button{padding:10px 15px;min-height:42px;background:#667153;color:#fff;border-radius:12px;font-size:13px}.voice-composer button:disabled,.audio-player button:disabled{cursor:default;opacity:.5}.voice-error{font-size:12px;line-height:1.5;color:#a15a45;margin:7px 0 0}.audio-player{width:min(310px,100%);min-width:220px;padding:7px 10px 9px;background:#efefe7;border:1px solid #e1e2d7;border-radius:16px;margin-bottom:7px}.user .audio-player{background:#e8edde;border-color:#dbe2cf;margin-left:auto}.audio-player-row{display:flex;align-items:center;gap:9px;min-height:34px;font-size:11px;color:#67705b}.audio-player-row button{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:#f9faf4;color:#58664a}.audio-wave{flex:1;white-space:nowrap;font-size:12px;letter-spacing:1px;color:#879576}.audio-seek{display:block;width:100%;height:18px;accent-color:#71835d;margin-top:3px}@media(max-width:600px){.voice-draft{padding:10px}.voice-draft textarea{font-size:16px}.voice-start{min-height:34px}}