:root{color:#293f36;font-synthesis:none;font-synthesis:none;--green:#385b48;--ink:#293f36;--muted:#858d84;--border:#e3e6dc;--serif:"Songti SC","Noto Serif SC",SimSun,serif;background:#f8f8f4;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;font-weight:400}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.5}button,input,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,textarea:focus-visible{outline-offset:3px;outline:2px solid #87a589}button{background:0 0;border:0}button,input,textarea{transition:background .18s,border-color .18s,box-shadow .18s}button:hover:not(:disabled){filter:brightness(.97)}h1,h2,h3,p{margin-top:0}svg{flex-shrink:0}.brand{align-items:center;gap:12px;display:flex}.brand strong{letter-spacing:5px;font-size:24px;font-family:var(--serif)}.brand div{flex-direction:column;gap:5px;display:flex}.brand span:not(.brand-mark){letter-spacing:1.5px;color:#7c8979;font-size:8px}.brand-mark{width:43px;height:48px;color:var(--green);justify-content:center;align-items:center;display:inline-flex}.brand-mark svg{width:40px;height:40px}.brand-mark.small{background:#e9eee3;border-radius:50%;width:30px;height:30px}.brand-mark.small svg{width:24px;height:24px}.eyebrow{letter-spacing:2.6px;color:#85917d;font-size:10px;font-weight:500}.primary{background:var(--green);color:#fff;border-radius:9px;padding:13px 20px}.text-button{color:#527356;padding:9px 0;font-size:13px}.icon-button{border-radius:7px;justify-content:center;align-items:center;width:34px;height:34px;display:inline-flex}.icon-button:hover{background:#e8eddf}.pill{color:#527050;white-space:nowrap;background:#eaf0e5;border-radius:20px;align-items:center;gap:8px;padding:7px 11px;font-size:11px;display:inline-flex}.pill i{background:#7e9b66;border-radius:50%;width:5px;height:5px}.pill.demo{color:#8b7b50;background:#f1eee1}.pill.demo i{background:#b8a46d}.error{color:#9b4d37;background:#fbefea;border:1px solid #e7c8bc;border-radius:8px;margin-bottom:12px;padding:10px 13px;font-size:13px;line-height:1.7}.boot{flex-direction:column;justify-content:center;align-items:center;gap:18px;min-height:100dvh;display:flex}.app-shell{height:100dvh;display:flex;overflow:hidden}.sidebar{background:#eef0e7;border-right:1px solid #e1e5d9;flex-direction:column;flex-shrink:0;width:252px;padding:30px 20px 0;display:flex}.sidebar .brand{margin:0 6px 38px}.new-chat{background:#f9faf4;border:1px solid #bdc9b4;border-radius:8px;align-items:center;gap:10px;height:44px;padding:0 13px;font-size:13px;display:flex}.new-chat>span{color:#85947d;margin-left:auto}.sidebar nav{gap:5px;margin-top:26px;display:grid}.sidebar nav>button{text-align:left;color:#6d7967;border-radius:7px;align-items:center;gap:11px;padding:13px 12px;font-size:13px;display:flex}.sidebar nav>button.selected{color:#3e583d;background:#e0e7d7}.count{background:#e3e9db;border-radius:5px;margin-left:auto;padding:2px 5px;font-size:10px}.history-heading{color:#8a9583;letter-spacing:1px;justify-content:space-between;margin:33px 12px 14px;font-size:10px;display:flex}.history-heading>span{letter-spacing:0}.history{min-height:50px;overflow-y:auto}.empty-history{color:#98a18f;padding:7px 12px;font-size:12px;line-height:1.9}.history-item{border-radius:7px;align-items:center;gap:2px;margin-bottom:3px;display:flex}.history-item.active,.history-item:hover{background:#e4e9dc}.history-item>button:first-child{text-overflow:ellipsis;white-space:nowrap;text-align:left;flex:1;align-items:center;gap:9px;min-width:0;padding:10px;font-size:12px;display:flex;overflow:hidden}.history-dot{background:#8b9a83;border-radius:50%;flex-shrink:0;width:4px;height:4px}.delete-chat{opacity:.45;align-items:center;padding:5px;display:flex}.delete-chat svg{width:14px;height:14px}.delete-chat:hover{opacity:1}.sidebar-bottom{margin-top:auto;padding-top:22px}.quiet-note{color:#9aa68f;border-top:1px solid #dfe5d7;align-items:flex-start;gap:10px;padding:23px 10px;display:flex}.quiet-note p{font-family:var(--serif);margin:0;font-size:12px;line-height:1.9}.profile{border-top:1px solid #dfe5d7;align-items:center;gap:10px;padding:18px 0;display:flex}.avatar{color:#67775c;background:#e0e6d8;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:13px;display:flex}.avatar.small{width:28px;height:28px;font-size:11px}.profile>div{flex-direction:column;gap:5px;min-width:0;display:flex}.profile strong{text-overflow:ellipsis;max-width:125px;font-size:12px;font-weight:500;overflow:hidden}.profile small{color:#89947f;font-size:10px}.profile>.icon-button{color:#8e9c82;margin-left:auto}.main{background:radial-gradient(at 80% 35%,#f1f3e9 0,#0000 50%),#fafaf6;flex-direction:column;flex:1;min-width:0;display:flex}.topbar{border-bottom:1px solid #e8e9e1;flex-shrink:0;justify-content:space-between;align-items:center;height:77px;padding:0 40px;display:flex}.topbar-title{letter-spacing:.5px;align-items:center;gap:12px;font-size:13px;display:flex}.beta{color:#8b977f;letter-spacing:0;border:1px solid #dce2d3;border-radius:4px;padding:2px 5px;font-size:9px}.workspace-body{flex-direction:column;flex:1;min-height:0;display:flex}.modebar{flex-shrink:0;justify-content:space-between;align-items:center;gap:15px;padding:27px 40px 0;display:flex}.segmented{background:#ecefe5;border-radius:8px;gap:3px;padding:4px;display:flex}.segmented button{color:#8a9480;border-radius:5px;padding:8px 18px;font-size:12px}.segmented button.active{color:#42613e;background:#fff;box-shadow:0 1px 4px #243b2010}.modebar>span{color:#9a9e93;font-size:11px}.chat-scroll{scrollbar-width:thin;scrollbar-color:#d9dfd1 transparent;flex:1;min-height:0;overflow-y:auto}.welcome{text-align:center;max-width:880px;margin:0 auto;padding:43px 42px 30px}.welcome-symbol{justify-content:center;margin-bottom:19px;display:flex}.welcome-symbol .brand-mark{background:#e9eedf;border-radius:50%;width:60px;height:60px}.welcome-symbol svg{width:39px;height:39px}.welcome .eyebrow{letter-spacing:3px;margin-bottom:19px;font-size:9px}.welcome h1{font-family:var(--serif);letter-spacing:2px;color:#364c39;margin-bottom:15px;font-size:43px;font-weight:500;line-height:1.48}.welcome-copy{color:#949b8d;letter-spacing:.5px;margin-bottom:36px;font-size:13px;line-height:1.9}.suggestions{text-align:left;grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.suggestions button{text-align:left;background:#ffffff70;border:1px solid #e1e6d8;border-radius:9px;min-height:112px;padding:19px 17px 21px}.suggestions button:hover{background:#f4f7ec;border-color:#acbf9d;transform:translateY(-2px)}.suggestion-top{color:#91a080;justify-content:space-between;gap:8px;margin-bottom:20px;font-size:10px;display:flex}.suggestions strong{font-size:12px;font-weight:500;line-height:1.7;display:block}.welcome-foot{color:#a3ab99;justify-content:center;align-items:center;gap:8px;margin-top:23px;font-size:10px;display:flex}.welcome-foot svg{width:14px;height:14px}.composer-area{flex-shrink:0;width:100%;max-width:920px;margin:0 auto;padding:15px 42px 18px}.composer{background:#fff;border:1px solid #dce3d2;border-radius:13px;padding:17px 18px 12px;box-shadow:0 4px 20px #3c562008}.composer:focus-within{border-color:#a8bb97;box-shadow:0 4px 20px #3c562012}.composer textarea{resize:vertical;color:#354531;background:0 0;border:none;outline:none;width:100%;height:49px;min-height:38px;max-height:120px;font-size:13px;line-height:1.7;display:block}.composer textarea:focus-visible{outline:none}.composer textarea::placeholder{color:#a0a898}.composer-bottom{justify-content:space-between;align-items:center;gap:15px;margin-top:8px;display:flex}.composer-bottom>span{color:#a1ab96;align-items:center;gap:6px;font-size:10px;display:flex}.composer-bottom svg{width:14px;height:14px}.composer-bottom small{margin-left:12px}.send{color:#fff;background:#416344;border-radius:8px;justify-content:center;align-items:center;width:34px;height:34px;display:flex}.send svg{width:18px;height:18px}.send:disabled{opacity:1;background:#c5d0bc}.composer-note{color:#a9aea1;justify-content:space-between;gap:12px;margin:12px 3px 0;font-size:9px;line-height:1.6;display:flex}.message-list{max-width:840px;margin:0 auto;padding:35px 25px 10px}.message{margin-bottom:30px}.message-meta{align-items:center;gap:9px;margin-bottom:12px;display:flex}.message-meta strong{font-size:12px;font-weight:500}.message-meta>span:last-child:not(.avatar){color:#9ba48e;margin-left:2px;font-size:10px}.message-content{white-space:pre-wrap;overflow-wrap:anywhere;color:#46523f;padding-left:39px;font-size:14px;line-height:1.95}.message.user .message-content{background:#edf1e6;border-radius:0 12px 12px;margin-left:39px;padding:14px 18px;display:inline-block}.sources{flex-wrap:wrap;gap:7px;margin-top:16px;padding-left:39px;display:flex}.sources>span{color:#9aa48d;width:100%;margin-bottom:2px;font-size:10px}.sources button{overflow-wrap:anywhere;background:#f3f6ed;border:1px solid #e1e7d7;border-radius:5px;align-items:center;gap:6px;max-width:100%;padding:7px 9px;font-size:10px;display:flex}.sources button svg{width:13px;height:13px}.sources button>span{color:#9ba78e;margin-left:5px}.feedback{color:#a0a996;align-items:center;gap:10px;margin-top:15px;padding-left:39px;font-size:10px;display:flex}.feedback button{border-radius:4px;padding:5px 7px;font-size:10px}.feedback button[aria-pressed=true]{color:#56764c;background:#e5ecdc}.thinking{color:#8a9980;align-items:center;gap:12px;padding-bottom:20px;font-size:12px;display:flex}.thinking i{background:#9dad92;border-radius:50%;width:3px;height:3px;margin-left:4px;animation:1s infinite pulse;display:inline-block}.thinking i:nth-child(2){animation-delay:.2s}.thinking i:nth-child(3){animation-delay:.4s}@keyframes pulse{50%{opacity:.2}}.loading-history{text-align:center;color:#8c9a81;padding:80px}.knowledge-page{flex:1;width:100%;max-width:1000px;margin:auto;padding:60px 55px;overflow-y:auto}.knowledge-page h1{font-family:var(--serif);letter-spacing:1px;margin-bottom:18px;font-size:38px;font-weight:500;line-height:1.45}.section-description{color:#919b85;max-width:560px;font-size:13px;line-height:1.9}.knowledge-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:35px 0;display:grid}.knowledge-card{background:#ffffff90;border:1px solid #e2e7d9;border-radius:10px;min-height:200px;padding:24px;position:relative}.knowledge-card>svg{color:#728762;width:26px;height:26px;margin-bottom:22px}.doc-status{float:right;color:#9d936e;background:#f3f0e5;border-radius:4px;padding:5px 8px;font-size:10px}.knowledge-card h3{font-family:var(--serif);font-size:20px;font-weight:500}.knowledge-card p{color:#98a08f;font-size:11px;line-height:1.8}.knowledge-card footer{color:#a1aa96;border-top:1px solid #e9ece2;justify-content:space-between;margin-top:22px;padding-top:15px;font-size:9px;display:flex}.empty-knowledge{color:#8c9a81;line-height:1.8}.menu-button{display:none}.modal-backdrop{z-index:20;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1e2e2466;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.source-modal,.delete-modal{background:#fafbf6;border-radius:16px;width:620px;max-width:100%;max-height:85dvh;padding:36px;position:relative;overflow-y:auto;box-shadow:0 20px 100px #142b2333}.modal-close{position:absolute;top:15px;right:15px}.source-modal h2{font-family:var(--serif);font-size:27px;font-weight:500;line-height:1.5}.source-info{color:#95a08c;font-size:11px;line-height:1.9}.source-excerpt{white-space:pre-wrap;border-top:1px solid #e1e7d9;padding:22px 0;font-size:14px;line-height:1.9}.delete-modal{width:410px}.delete-modal h2{font-size:20px;font-weight:500}.delete-modal p{color:#87917e;font-size:13px;line-height:1.8}.delete-modal>div{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.delete-modal button{background:#e8eddf;border-radius:6px;padding:10px 15px}.delete-modal button.danger{color:#fff;background:#9c5d49}.auth-page{grid-template-columns:1fr 1fr;min-height:100dvh;display:grid}.auth-story{background:#e9eddf;flex-direction:column;justify-content:space-between;min-height:100dvh;padding:55px 65px;display:flex;position:relative;overflow:hidden}.auth-story>div:nth-child(2){z-index:1;margin:65px 0 40px;position:relative}.auth-story h1{font-family:var(--serif);letter-spacing:2px;margin:25px 0;font-size:clamp(34px,3.2vw,52px);font-weight:500;line-height:1.6}.story-copy{color:#89977e;letter-spacing:1px;font-size:14px;line-height:2}.auth-story>small{color:#9ca68f;letter-spacing:2px;font-size:10px}.line-art{z-index:-1;opacity:.5;width:340px;height:420px;position:absolute;top:-60px;right:-160px;transform:rotate(28deg)}.line-art i{border:1px solid #c3cdb5;border-radius:50% 50% 42% 42%;position:absolute;inset:0}.line-art i:nth-child(2){inset:22px}.line-art i:nth-child(3){inset:44px}.line-art i:nth-child(4){inset:66px}.auth-panel{background:#fafaf6;justify-content:center;align-items:center;padding:45px;display:flex}.auth-card{width:100%;max-width:355px}.auth-card h2{font-family:var(--serif);margin-top:27px;margin-bottom:12px;font-size:30px;font-weight:500}.auth-card>p{color:#939f88;margin-bottom:35px;font-size:12px}.auth-card label{color:#67775d;flex-direction:column;gap:10px;margin-bottom:22px;font-size:12px;display:flex}.auth-card input{color:#3d5233;background:#fff;border:1px solid #dfe5d7;border-radius:7px;height:45px;padding:0 13px}.auth-card input::placeholder{color:#b0b6a7;font-size:12px}.auth-submit{justify-content:space-between;width:100%;margin-top:6px;display:flex}.auth-switch{margin:20px auto;font-size:12px;display:block}.auth-note{color:#a1aa96;border-top:1px solid #e5e9de;gap:10px;margin-top:38px;padding-top:22px;font-size:10px;line-height:1.8;display:flex}.auth-note svg{width:16px;height:16px;margin-top:2px}.sidebar-scrim{display:none}@media (width>=1500px){.welcome{padding-top:70px}.welcome h1{font-size:49px}.welcome-copy{margin-bottom:45px}.composer-area{padding-bottom:28px}}@media (height<=800px) and (width>=761px){.welcome{padding-top:22px;padding-bottom:15px}.welcome-symbol{margin-bottom:10px}.welcome-symbol .brand-mark{width:46px;height:46px}.welcome .eyebrow{margin-bottom:12px}.welcome h1{margin-bottom:10px;font-size:36px}.welcome-copy{margin-bottom:21px}.suggestions button{min-height:95px;padding:15px}.suggestion-top{margin-bottom:13px}.welcome-foot{margin-top:15px}.modebar{padding-top:18px}.composer-area{padding-top:8px}}@media (width<=1100px){.sidebar{width:220px;padding-left:15px;padding-right:15px}.topbar{padding:0 26px}.modebar{padding-left:26px;padding-right:26px}.modebar>span{display:none}.welcome{padding-left:25px;padding-right:25px}.welcome h1{font-size:38px}.suggestions{gap:8px}.suggestions button{padding:15px 12px}.composer-area{padding-left:25px;padding-right:25px}.composer-note>span{display:none}.knowledge-page{padding:40px 30px}.auth-story{padding:40px}.auth-panel{padding:35px}}.feedback{flex-wrap:wrap}.revision-toggle{color:#58725b;margin-left:auto;background:#edf2e8!important}.stale-answer{background:#faf5e3;border:1px solid #decf9d;border-radius:8px;justify-content:space-between;align-items:center;gap:15px;margin:0 0 16px 39px;padding:13px 15px;display:flex}.stale-answer>div{flex-direction:column;gap:4px;display:flex}.stale-answer strong{color:#75622f;font-size:12px}.stale-answer span{color:#91835f;font-size:11px;line-height:1.6}.stale-answer button{color:#fff;background:#7a693a;border-radius:6px;flex-shrink:0;padding:8px 11px;font-size:11px}.revised-answer{color:#70836d;margin:0 0 12px 39px;font-size:10px}.revision-history{border-left:2px solid #d8dfd1;margin:14px 0 0 39px;padding-left:15px}.revision-history p{color:#929b8b;font-size:11px}.revision-history details{background:#f2f4ed;border-radius:7px;margin-top:8px;padding:10px 12px}.revision-history summary{cursor:pointer;color:#75816f;font-size:10px}.revision-history details>div{white-space:pre-wrap;overflow-wrap:anywhere;color:#687064;padding-top:10px;font-size:12px;line-height:1.8}@media (width<=760px){.sidebar{z-index:12;width:270px;transition:transform .2s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-scrim{z-index:11;background:#20302266;display:block;position:fixed;inset:0}.menu-button{margin-left:-9px;display:flex}.topbar{height:66px;padding:0 20px}.topbar-title{gap:8px;font-size:12px}.topbar .pill{padding:6px 8px;font-size:9px}.beta{display:none}.modebar{justify-content:center;padding:20px 20px 0}.segmented{width:100%;max-width:330px}.segmented button{flex:1;padding:9px 15px}.welcome{padding:31px 20px 20px}.welcome-symbol{margin-bottom:17px}.welcome h1{letter-spacing:1px;font-size:34px;line-height:1.5}.welcome .eyebrow{letter-spacing:2px;margin-bottom:15px;font-size:8px}.welcome-copy{margin-bottom:25px;font-size:12px}.suggestions{text-align:left;grid-template-columns:1fr;gap:8px}.suggestions button{flex-wrap:wrap;align-items:center;gap:12px;min-height:0;padding:13px 16px;display:flex}.suggestion-top{margin:0;font-size:9px;display:contents}.suggestion-top>span:first-child{min-width:82px}.suggestion-top>span:last-child{order:3;margin-left:auto}.suggestions strong{font-size:11px}.welcome-foot{margin-top:19px;font-size:9px}.composer-area{padding:10px 15px max(12px,env(safe-area-inset-bottom))}.composer{padding:13px 14px 10px}.composer textarea{resize:none;height:39px;font-size:13px}.composer-bottom{margin-top:4px}.composer-note{text-align:center;justify-content:center;margin-top:9px;font-size:8px}.message-list{padding:25px 18px 10px}.message-content{padding-left:0;font-size:13px}.message.user .message-content{margin-left:0}.sources,.feedback{padding-left:0}.stale-answer,.revised-answer,.revision-history{margin-left:0}.stale-answer{flex-direction:column;align-items:flex-start}.revision-toggle{margin-left:0}.knowledge-page{padding:38px 23px}.knowledge-page h1{font-size:32px}.knowledge-grid{grid-template-columns:1fr;gap:14px}.knowledge-card{padding:22px}.auth-page{display:block}.auth-story{min-height:0;padding:28px 25px 25px}.auth-story .brand{gap:9px}.auth-story .brand strong{font-size:21px}.auth-story>div:nth-child(2){margin:26px 0 0}.auth-story h1{margin:10px 0 0;font-size:27px;line-height:1.5}.auth-story .eyebrow,.story-copy,.auth-story>small,.line-art{display:none}.auth-panel{padding:30px 25px 40px}.auth-card{max-width:400px}.auth-card h2{margin-top:20px;font-size:25px}.auth-card>p{margin-bottom:25px}.auth-note{margin-top:25px}.source-modal{padding:30px 23px}.source-modal h2{font-size:23px}.modal-backdrop{padding:16px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}