:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft Yahei,sans-serif;color:#243833;background:#fafbf8;font-synthesis:none;font-weight:400;line-height:1.6;font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible{outline:2px solid #4f8c78;outline-offset:3px}button{border:0}input,textarea,select{outline:none}input:focus,textarea:focus{border-color:#4f8c78;box-shadow:0 0 0 3px #4f8c7814}a{color:#236450}h1,h2,h3,p{margin-top:0}h1{font-size:34px;line-height:1.35;font-weight:580;letter-spacing:-1px}h2{font-size:28px;font-weight:560}h3{font-size:17px;font-weight:600;margin-bottom:24px}.muted{color:#77867f}.small{font-size:12px}.eyebrow{font-size:10px;letter-spacing:2px;color:#83978e;font-weight:650;margin-bottom:16px}.icon{padding:8px;background:transparent;color:inherit;display:inline-flex;align-items:center;justify-content:center;border-radius:8px}.icon:hover{background:#8ca19419}.primary{background:#214d41;color:#fff;border-radius:9px;padding:12px 18px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:550}.primary:hover{background:#173b31}.full{width:100%}.text-button{display:inline-flex;align-items:center;gap:7px;color:#527367;background:transparent;font-size:12px;padding:7px}.brand{display:flex;align-items:center;gap:13px;color:#ecf3ea;font-size:19px;font-weight:520;line-height:1.2;letter-spacing:.2px}.brand small{font-size:11px;font-weight:400;color:#a7bdb3;letter-spacing:.8px}.monogram{width:38px;height:38px;border:1px solid #769a8780;border-radius:50%;font-family:Georgia,serif;font-style:italic;display:grid;place-items:center;font-size:34px;line-height:1;padding-bottom:5px}.app{display:flex;height:100dvh;overflow:hidden}.sidebar{width:256px;background:#173c34;color:#c9d9ce;padding:30px 20px 0;display:flex;flex-direction:column;flex-shrink:0}.new-chat{margin:36px 0 18px;background:#ffffff0c;border:1px solid #91b6a43b;border-radius:8px;display:flex;align-items:center;justify-content:center;gap:8px;color:#e4f0e6;padding:10px}.new-chat:hover{background:#ffffff16}.nav-item{width:100%;display:flex;align-items:center;gap:12px;color:#a9c0b4;background:transparent;text-align:left;border-radius:8px;padding:12px 14px;margin:3px 0}.nav-item.active{background:#ffffff12;color:#fff}.history{margin-top:32px;flex:1;overflow:auto}.history>p{font-size:9px;letter-spacing:1.5px;color:#709d87;margin-left:14px}.history-empty{display:block;padding:12px 14px;font-size:11px;color:#739583}.history-item{display:flex;align-items:center;padding:3px 4px 3px 13px;border-radius:6px;margin-bottom:4px}.history-item.selected{background:#ffffff0b}.history-item>button:first-child{background:none;color:#b6cabc;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;text-align:left;padding:7px 0}.history-item>.icon{opacity:.4}.history-item:hover>.icon{opacity:1}.sidebar-foot{display:flex;align-items:center;gap:7px;font-size:10px;color:#8ab09b;border-bottom:1px solid #ffffff10;padding:18px 0}.private{margin-left:auto;font-size:8px;letter-spacing:1px}.dot{width:6px;height:6px;border-radius:100%;background:#af9d79}.dot.online{background:#9fd1a5}.account{display:flex;align-items:center;gap:12px;color:#dce8dc;background:transparent;padding:20px 0;justify-content:space-between;text-align:left}.account>span:nth-child(2){flex:1}.account small{display:block;font-size:10px;color:#8bab98}.avatar{width:32px;height:32px;display:grid;place-items:center;border-radius:100%;background:#365749;color:#c2d4c2;font-size:12px}main{flex:1;display:flex;flex-direction:column;min-width:0;background:#fafbf8}header{height:76px;flex-shrink:0;border-bottom:1px solid #e9ede6;display:flex;align-items:center;justify-content:space-between;padding:0 40px;font-size:14px}.header-left{display:flex;gap:12px;align-items:center}.ai-badge{font-size:10px;border:1px solid #dce4d9;border-radius:16px;padding:4px 11px;color:#859180}.chat-scroll{flex:1;overflow:auto;scroll-behavior:smooth;padding:0 32px}.welcome{max-width:760px;margin:7vh auto 36px;text-align:center}.welcome-mark{font-family:Georgia,serif;font-style:italic;font-size:57px;display:flex;align-items:center;justify-content:center;background:#edf1e8;color:#43614d;width:74px;height:74px;border-radius:100%;margin:0 auto 27px;padding-bottom:6px;position:relative}.welcome-mark span{width:12px;height:12px;border-radius:100%;background:#c4d8b3;border:3px solid #fafbf8;position:absolute;bottom:5px;right:0}.welcome h1{font-size:34px;margin-bottom:13px}.intro{color:#8a9388;font-size:14px;line-height:1.9}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:40px auto 18px;max-width:630px}.suggestions button{border:1px solid #e3e9dd;background:#fff;padding:19px 16px;border-radius:10px;display:flex;align-items:center;justify-content:space-between;color:#58705f;font-size:12px;text-align:left}.suggestions button:hover{border-color:#90ab92;background:#f4f7ef}.welcome-note{font-size:10px;color:#9ba594;display:flex;align-items:center;justify-content:center;gap:6px}.messages{max-width:830px;margin:30px auto}.message{margin-bottom:34px}.message-label{font-size:11px;color:#7c8b7e;display:flex;align-items:center;gap:7px;margin-bottom:10px}.mini-mark{font-family:Georgia,serif;background:#e3eadb;border-radius:100%;width:25px;height:25px;display:grid;place-items:center;font-style:italic;font-size:23px;line-height:1;padding-bottom:4px}.message-content{font-size:14px;line-height:1.95;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{margin-left:12%}.message.user .message-label{justify-content:flex-end}.message.user .message-content{background:#edf1e7;border:1px solid #e5ebde;border-radius:13px 13px 3px;padding:17px 20px}.sources{margin-top:16px;font-size:11px;color:#687d6c}.sources summary{cursor:pointer}.sources article{margin-top:10px;border-left:2px solid #cbd8bc;padding:4px 15px}.sources article strong,.sources article span{display:block;overflow-wrap:anywhere}.sources article span{font-size:10px;color:#8b9685}.sources article p{white-space:pre-wrap;margin:8px 0 0;line-height:1.7;max-height:180px;overflow:auto}.speech-controls{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:10px;flex-wrap:wrap}.speech-controls>span{display:flex;gap:5px;align-items:center;color:#86927c}.speech-controls audio{height:32px;width:260px}.composer-wrap{padding:14px 40px 20px;flex-shrink:0;background:linear-gradient(transparent,#fafbf8 14px)}.composer{max-width:850px;margin:auto;background:#fff;border:1px solid #dfe6d9;border-radius:15px;box-shadow:0 5px 22px #173c3405;padding:14px 16px 12px}.composer textarea{border:0;resize:none;width:100%;height:58px;font-size:14px;padding:4px 2px;background:transparent;color:#2f493b;box-shadow:none}.composer textarea::placeholder{color:#a1aa9e}.composer-tools{display:flex;justify-content:space-between;align-items:center;margin-top:8px;color:#8b9986}.composer-tools>div{display:flex;align-items:center;gap:4px}.composer-tools select{font-size:11px;color:#7b8c75;background:#f5f7f1;border:1px solid #edf0e7;border-radius:5px;margin-left:6px;padding:5px}.send{width:36px;height:36px;background:#285140;border-radius:9px;color:#fff;display:grid;place-items:center}.send:disabled{background:#c4cec0}.composer-note{font-size:9px;color:#9aa493;max-width:850px;margin:10px auto 0;display:flex;justify-content:space-between;gap:10px}.composer-note span{white-space:nowrap}.attachments{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:5px}.attachments span{display:flex;align-items:center;gap:4px;font-size:10px;padding:3px 5px 3px 8px;background:#edf1e8;border-radius:5px;max-width:100%;overflow-wrap:anywhere}.attachments button{background:none;color:#7c9075;display:flex}.banner{margin:12px 30px 0;padding:10px 14px;border-radius:8px;font-size:12px;display:flex;align-items:center;justify-content:space-between}.error{color:#a54b36}.banner.error{background:#fff0e8}.notice{background:#eaf1e2;color:#516c47}.jobs{max-width:830px;margin:20px auto}.job{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;color:#788971;background:#f0f3ec;border-radius:8px;padding:10px 13px;margin:6px 0}.job small{display:block;color:#a65f49;max-width:640px}.job button{display:flex;align-items:center;gap:4px;white-space:nowrap;font-size:11px;background:#e4eada;border-radius:5px;color:#607353;padding:5px 9px}.job.uncertain,.job.failed{background:#fbf1e6}.content-page{padding:48px 50px;overflow:auto;max-width:1400px;width:100%;margin:auto;flex:1}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.page-heading h1{margin:0 0 12px}.page-heading p:last-child{margin-bottom:0}.source-rule{display:flex;gap:12px;align-items:center;background:#edf2e7;color:#68815b;padding:16px;border-radius:9px;font-size:12px}.source-rule p{margin:0}.source-rule svg{flex-shrink:0}.document-list{margin:22px 0}.document-list article{display:flex;align-items:center;gap:12px;padding:20px 0;border-bottom:1px solid #e5eadf}.file-icon{width:42px;height:46px;border-radius:7px;background:#ecf0e6;display:grid;place-items:center;color:#80936d;flex-shrink:0}.document-name{flex:1;min-width:0}.document-name strong{display:block;font-weight:500;font-size:12px;overflow-wrap:anywhere}.document-name span{font-size:9px;color:#94a087}.document-name p{margin:5px 0 0;font-size:11px}.doc-status{font-size:10px;padding:3px 8px;background:#eef2e7;border-radius:5px;white-space:nowrap;color:#7c8c6c}.doc-status.failed,.doc-status.unreadable{color:#a5614c;background:#f8eee5}.doc-status.partial{color:#a4823e}.settings{max-width:1000px}.setting-card{border:1px solid #e0e7d8;border-radius:12px;background:#fff;padding:26px 30px;margin-top:20px}.service{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #edf0e8;font-size:12px}.service strong{font-weight:500;color:#7e926f}.service+p{margin-top:16px;margin-bottom:0}.switch-label{display:flex;justify-content:space-between;align-items:center}.switch-label small{display:block;font-size:11px;color:#939d88;margin:5px 0}.switch-label input{width:18px;height:18px;accent-color:#416b4a}.setting-card form{max-width:400px}label{display:block;font-size:12px;color:#617253;margin-bottom:17px}label input:not([type=checkbox]){display:block;border:1px solid #dce4d4;border-radius:7px;padding:11px 13px;width:100%;margin-top:7px;background:#fff}.setting-card .primary{font-size:12px}.auth-wrap{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr}.auth-story{background:#183e35;padding:54px 60px;color:#e7efe3;display:flex;flex-direction:column;justify-content:space-between;min-height:100dvh}.auth-story h1{font-size:42px;line-height:1.6;font-weight:400;letter-spacing:0}.auth-story p:not(.eyebrow){color:#9fb3a3;font-size:14px;line-height:2}.auth-story>small{font-size:10px;color:#88a38b}.auth-panel{display:flex;align-items:center;justify-content:center;padding:40px}.auth-panel>div{width:100%;max-width:360px}.tiny-badge{display:flex;align-items:center;gap:5px;font-size:10px;color:#8a9d78;margin-bottom:25px}.auth-panel h2{margin-bottom:8px}.auth-panel form{margin:32px 0 24px}.auth-panel .primary{margin-top:6px}.loading{display:grid;place-items:center;height:100dvh;color:#8a9c7a}.mobile-menu,.mobile-close,.mobile-break{display:none}.recording{color:#bc573e;animation:pulse 1.2s infinite}@keyframes pulse{50%{background:#fae4dd}}.transcript-result{margin:0 20px 15px;padding:14px 18px;border:1px solid #d9e5cf;background:#f0f5e8;border-radius:10px;max-height:200px;overflow:auto;font-size:12px;flex-shrink:0}.transcript-result p{white-space:pre-wrap;margin:8px 0}.transcript-result .primary{font-size:11px;padding:7px 10px}@media(max-width:1050px){.sidebar{width:228px;padding:25px 15px 0}.brand{font-size:17px}header{padding:0 28px}.content-page{padding:35px 28px}.composer-wrap{padding:12px 26px 20px}.suggestions{gap:8px}.suggestions button{padding:15px 10px}.auth-story{padding:40px}.auth-story h1{font-size:32px}}@media(max-width:760px){:root{font-size:13px}.sidebar{position:fixed;z-index:20;left:-260px;top:0;height:100dvh;transition:left .2s;width:256px}.sidebar.open{left:0}.overlay{position:fixed;inset:0;z-index:15;background:#13291d66}.mobile-menu,.mobile-close{display:inline-flex}.mobile-close{margin-left:auto}.mobile-break{display:block}header{height:61px;padding:0 15px}.ai-badge{font-size:8px;padding:3px 8px}.chat-scroll{padding:0 20px}.welcome{margin:6vh auto 25px}.welcome h1{font-size:26px}.welcome-mark{width:64px;height:64px;font-size:48px;margin-bottom:21px}.eyebrow{font-size:9px}.intro{font-size:12px}.suggestions{margin-top:28px;grid-template-columns:1fr;gap:8px;max-width:300px}.suggestions button{padding:12px 16px;font-size:11px}.welcome-note{font-size:9px;max-width:300px;margin:15px auto}.composer-wrap{padding:10px 12px max(12px,env(safe-area-inset-bottom))}.composer{padding:12px;border-radius:13px}.composer textarea{font-size:16px;height:57px}.composer-note{font-size:8px;padding:0 4px}.composer-note span{display:none}.composer-tools select{max-width:155px;font-size:10px}.message-content{font-size:13px}.message.user{margin-left:8%}.messages{margin:24px auto}.speech-controls audio{width:230px}.banner{margin:8px 12px 0;font-size:11px;padding:8px 10px}.content-page{padding:28px 20px}.page-heading{align-items:flex-start;flex-direction:column}.page-heading h1{font-size:28px}.page-heading .muted{font-size:11px}.source-rule{font-size:10px;padding:12px}.document-list article{flex-wrap:wrap;padding:17px 0;gap:8px}.document-name{min-width:calc(100% - 62px)}.file-icon{width:36px;height:40px}.doc-status{margin-left:44px}.document-list .text-button{margin-left:auto}.document-name span{font-size:8px}.setting-card{padding:20px 17px}.service{font-size:11px}.auth-wrap{display:block}.auth-story{min-height:auto;padding:24px}.auth-story>div:nth-child(2),.auth-story>small{display:none}.auth-panel{padding:45px 28px}.auth-panel h2{font-size:26px}.switch-label small{max-width:230px}.job{font-size:10px}h1{font-size:28px}}