@charset "UTF-8";
:root{color-scheme:light;--ink:#1d1d1f;--muted:#6b6b73;--soft:#f6f6f8;--line:#e8e8ed;--blue:#0071e3;--sidebar:256px;font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex:none}img{max-width:100%;object-fit:contain}button{border:0}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #80baff;outline-offset:3px}button:focus:not(:focus-visible){outline:none}[hidden]{display:none!important}.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip{position:fixed;z-index:120;top:12px;left:12px;padding:12px 20px;border-radius:10px;background:#1d1d1f;color:white;transform:translateY(-160%)}.skip:focus{transform:none}.muted{color:var(--muted)}.micro{font-size:14px;line-height:1.55}.prose{font-size:16px;line-height:1.75;overflow-wrap:anywhere}.eyebrow{font-size:14px;font-weight:550;color:var(--muted);margin-bottom:16px}.wordmark{font-size:28px;font-weight:670;letter-spacing:-1.5px;line-height:1}.wordmark>span{color:var(--blue)}.spectrum{background:linear-gradient(105deg,#0470da 8%,#6345e8 48%,#be3799 78%,#e3566e);background-clip:text;-webkit-background-clip:text;color:transparent}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:11px 18px;border:1px solid var(--line);border-radius:11px;font-size:14px;font-weight:550;background:#fff;line-height:1.4;transition:background .15s}.button:hover{background:#f5f5f7}.button.dark{background:#232325;color:#fff;border-color:#232325}.button.dark:hover{background:#404045}.button.blue{background:var(--blue);color:white;border-color:var(--blue)}.button.blue:hover{background:#0064c9}.button.pill{border-radius:999px;padding:13px 24px;min-height:48px;font-size:16px}.button.subtle{background:transparent;border-color:transparent}.button.subtle:hover{background:var(--soft)}.button.danger{color:#b1262a}.button.full{width:100%}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:none;border-radius:10px;background:transparent;color:#6a6a71}.icon-button:hover{background:#ececef;color:#1d1d1f}.text-link{color:var(--blue);font-size:14px}.text-link:hover{text-decoration:underline}.languages{display:flex;align-items:center;gap:3px;flex:none}.languages button{border-radius:7px;background:transparent;min-width:38px;min-height:36px;font-size:13px;padding:7px;color:#77777e}.languages button[aria-pressed=true]{background:#ededf1;color:#202023}.languages button:hover{color:#111}.languages button[lang=zh]{font-family:"PingFang SC","Microsoft YaHei",sans-serif}.account-link{display:flex;align-items:center;gap:10px;min-height:44px;font-size:14px;overflow:hidden}.account-link>span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.avatar{width:34px;height:34px;background:#e9e9ef;border-radius:50%;display:grid;place-items:center;flex:none;font-weight:600;font-size:14px}.avatar.large{width:72px;height:72px;font-size:26px;background:#ededf5}.model-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;border:1px solid #ededf2;border-radius:10px;background:#fff}.model-mark img{display:block;width:24px;height:24px}.model-marks{display:flex;align-items:center}.model-marks .model-mark{width:25px;height:25px;border-radius:50%;margin-left:-5px;box-shadow:0 0 0 2px white}.model-marks .model-mark:first-child{margin-left:0}.model-marks img{width:17px;height:17px}
/* Public site: generous typography, a quiet rhythm, no fabricated product activity. */
.public-header{height:82px;display:flex;align-items:center}.public-nav{width:min(1130px,100%);margin:auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:22px}.public-nav-right{display:flex;gap:24px;align-items:center}.landing-hero{max-width:1240px;min-height:590px;margin:auto;padding:90px 28px 110px;text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column}.landing-hero h1{font-size:clamp(64px,7.7vw,108px);letter-spacing:-.065em;line-height:1.02;font-weight:690;max-width:1150px;text-wrap:balance}.landing-hero h1 .spectrum{display:block}.landing-hero .lead{font-size:23px;line-height:1.45;letter-spacing:-.025em;color:#65656d;max-width:720px;margin:30px auto}.landing-hero .lead>span{display:block}.landing-hero .button{margin-top:2px}.landing-story{max-width:1080px;margin:auto;padding:94px 32px 100px}.story-heading{max-width:720px}.story-heading h2{font-size:clamp(36px,4.7vw,58px);line-height:1.08;letter-spacing:-.047em;font-weight:650;text-wrap:balance}.story-heading h2>span{display:block;color:#898991}.story-heading>p:last-child{max-width:570px;margin-top:25px;font-size:20px;line-height:1.6;color:var(--muted);letter-spacing:-.015em}.process-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;padding:0;list-style:none;margin:65px 0 0}.process-columns li{border-top:1px solid #dcdce3;padding-top:24px}.process-number{font-size:14px;color:#9a9aa2;letter-spacing:.02em}.process-columns h3{font-size:25px;letter-spacing:-.035em;line-height:1.2;margin:22px 0 16px}.process-columns p{color:var(--muted);font-size:17px;line-height:1.7}.story-outcome{background:#f5f5f7}.outcome-spread{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.outcome-card{background:#fff;min-height:360px;border-radius:28px;padding:42px;box-shadow:0 22px 50px -30px #12133024}.outcome-card h3{font-size:36px;letter-spacing:-.05em;margin:10px 0 36px}.outcome-card li{display:flex;gap:15px;padding:18px 0;border-top:1px solid var(--line);font-size:16px}.outcome-card ul{list-style:none;padding:0;margin:0}.outcome-card svg{color:#607dae;flex:none;margin-top:2px}.usecase-rows{margin-top:45px}.usecase-rows>a{display:grid;grid-template-columns:105px 1fr 35px;gap:30px;align-items:center;border-top:1px solid var(--line);padding:28px 0}.usecase-rows>a:last-child{border-bottom:1px solid var(--line)}.usecase-rows>a:hover .usecase-arrow{transform:translate(3px,-3px);color:var(--blue)}.usecase-category{font-size:14px;color:var(--muted)}.usecase-copy strong{display:block;font-size:24px;font-weight:570;letter-spacing:-.03em;line-height:1.3}.usecase-copy small{display:block;font-size:16px;color:var(--muted);margin-top:8px}.usecase-arrow{font-size:30px;color:#92929a;transition:transform .2s}.faq{max-width:880px;padding-top:30px}.faq h2{font-size:38px;letter-spacing:-.04em;margin-bottom:34px}.faq details,.help-list details{border-bottom:1px solid var(--line);padding:22px 0}.faq summary,.help-list summary{font-size:18px;font-weight:550;cursor:pointer;list-style:none;position:relative;padding-right:30px}.faq summary:after,.help-list summary:after{content:'+';position:absolute;right:4px;color:#86868d}.faq details[open] summary:after,.help-list details[open] summary:after{content:'−'}.faq details p,.help-list details p{font-size:16px;color:var(--muted);line-height:1.75;margin-top:18px}.invitation{text-align:center;padding:70px 24px 110px}.invitation h2{font-size:clamp(35px,5vw,55px);letter-spacing:-.045em;margin:0 auto 30px;max-width:800px;line-height:1.15}.public-footer{border-top:1px solid var(--line);padding:25px 32px}.footer-inner{max-width:1060px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:14px;color:var(--muted)}.footer-links{display:flex;gap:25px;flex-wrap:wrap}.footer-links a{display:inline-flex;min-height:44px;align-items:center}
/* Workspace */
.workspace{height:100svh;overflow:hidden}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#f8f8fa;display:flex;flex-direction:column;padding:22px 12px 12px;z-index:30;transition:transform .2s}.brand-row{display:flex;align-items:center;justify-content:space-between;padding:0 7px 23px 13px}.brand-row .wordmark{font-size:27px}.side-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:9px;font-size:14px;background:transparent;min-height:44px;width:100%;text-align:left}.side-link:hover,.side-link[aria-current=page]{background:#ededf1}.side-link svg{color:#7b7b84;width:19px;height:19px}.sidebar-history{flex:1;min-height:80px;overflow:auto;margin-top:21px;scrollbar-width:thin}.sidebar-history summary{display:flex;justify-content:space-between;align-items:center;color:#898990;font-size:13px;padding:9px 12px;list-style:none;cursor:pointer}.sidebar-history summary:after{content:'⌄';font-size:16px}.sidebar-history details:not([open]) summary:after{content:'›'}.history-group-title{padding:15px 12px 6px;color:#9999a1;font-size:12px}.history-item{display:flex;align-items:center;border-radius:8px;min-height:39px}.history-item:hover,.history-item.active{background:#ededf1}.history-item a{flex:1;min-width:0;padding:9px 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.history-item .icon-button{width:30px;height:32px;opacity:0}.history-item:hover .icon-button,.history-item:focus-within .icon-button{opacity:1}.side-bottom{padding-top:12px;flex:none}.side-bottom .account-link{border-top:1px solid var(--line);margin:8px 8px 0;padding:15px 4px 5px}.sidebar-empty{font-size:13px;line-height:1.6;padding:5px 12px;color:#96969e}.app-shell{height:100svh;margin-left:var(--sidebar);display:flex;flex-direction:column;transition:margin-left .2s;min-width:0}.topbar{height:70px;min-height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;gap:16px;background:#ffffffef;z-index:10}.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}.topbar-left .page-label{font-size:16px;font-weight:550;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-open-button{display:none}.sidebar-collapsed .sidebar{transform:translateX(-100%)}.sidebar-collapsed .app-shell{margin-left:0}.sidebar-collapsed .sidebar-open-button{display:inline-flex}.sidebar-scrim{display:none}.app-main{flex:1;min-height:0;overflow:auto;padding:0 30px;scrollbar-width:thin}.workspace-home{width:100%;max-width:780px;margin:clamp(45px,14vh,155px) auto 50px}.workspace-home h1{font-size:36px;line-height:1.2;font-weight:560;letter-spacing:-.045em;text-align:center;margin-bottom:34px}.composer{border:1px solid #dddde3;border-radius:24px;padding:19px 20px 13px;background:#fff;box-shadow:0 6px 24px -16px #1d213826}.composer:focus-within{border-color:#adaebb}.composer textarea{width:100%;border:0;outline:0;resize:none;background:transparent;min-height:76px;max-height:260px;line-height:1.7;padding:3px 2px 12px;font-size:16px;display:block}.composer textarea:focus-visible{outline:none}.composer textarea::placeholder{color:#97979f}.composer-controls{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.composer-controls .icon-button{width:37px;height:37px}.composer-options{display:flex;align-items:center;gap:3px;flex:1;min-width:0}.model-picker-button{display:flex;align-items:center;gap:9px;background:transparent;border-radius:9px;padding:8px 10px;font-size:13px;min-height:40px}.model-picker-button:hover{background:var(--soft)}.model-picker-button>span:last-child{color:#898991;font-size:11px}.web-toggle{background:transparent;border-radius:9px;display:flex;gap:7px;align-items:center;padding:8px;color:#85858c;font-size:13px;min-height:38px}.web-toggle[aria-pressed=true]{background:#ecf4ff;color:#246bc3}.composer-send{display:flex;align-items:center;gap:8px;min-height:40px;padding:9px 14px;border-radius:999px;background:#222225;color:white;font-size:14px}.composer-send:hover{background:#424246}.composer-send svg{width:18px;height:18px}.composer-hint{min-height:26px;padding:8px 7px 0;text-align:center;font-size:12px;color:#96969e}.context-field{border-top:1px solid var(--line);padding:12px 0}.context-field label{font-size:13px;color:var(--muted);display:block;margin-bottom:6px}.context-field textarea{font-size:14px;min-height:74px;padding:8px 0}.suggestions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:18px}.suggestions button{background:white;border:1px solid #e9e9ef;border-radius:999px;padding:9px 14px;color:#72727b;font-size:13px;min-height:40px}.suggestions button:hover{background:#f7f7f9}.suggestions-label{text-align:center;font-size:12px;color:#97979f;margin-top:16px}.app-fineprint{font-size:12px;color:#96969e;text-align:center;padding:7px 16px 12px;flex:none}.file-tray{display:flex;gap:8px;overflow:auto;padding:0 0 14px;max-width:100%}.file-pill{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fafafa;border-radius:11px;padding:9px;min-width:180px;max-width:260px;flex:none}.file-pill .file-info{min-width:0;flex:1;cursor:pointer}.file-pill strong{font-size:12px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;display:block;font-weight:550}.file-pill small{font-size:11px;display:block;color:var(--muted)}.file-pill.error{border-color:#e7b3b5;background:#fff8f8}.file-pill .icon-button{width:25px;height:29px}.dragging .composer{outline:3px solid #b7d8ff;border-color:var(--blue)}.conversation{width:min(800px,100%);margin:auto;padding:20px 0 38px}.user-message{margin:0 0 38px auto;background:#f4f4f6;border-radius:22px 22px 5px 22px;padding:17px 22px;max-width:85%;font-size:16px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.user-message details{margin-top:9px;font-size:14px;color:var(--muted)}.user-message .file-meta{margin-top:10px;display:flex;gap:5px;align-items:center;font-size:12px;color:#777782}.assistant-block{margin:0 0 32px;animation:soft-enter .25s ease both}.assistant-label{display:flex;gap:10px;align-items:center;font-size:15px;font-weight:650;margin-bottom:19px}.council-glyph{width:28px;height:28px;border-radius:50%;border:1px solid #e4e4eb;display:grid;place-items:center;background:linear-gradient(150deg,#f4f8ff,#f7f2ff);color:#6579aa;font-size:16px}.example-label{font-size:11px;font-weight:400;color:#92929a;border:1px solid #e4e4ea;border-radius:5px;padding:2px 6px;margin-left:3px}.phase-list{margin-bottom:24px}.phase{padding:0 0 12px 23px;border-left:1px solid #e8e8ef;position:relative;margin-left:7px}.phase:before{content:'';position:absolute;width:7px;height:7px;background:#d8d8e1;border-radius:50%;left:-4px;top:8px}.phase.complete:before{background:#6d7b97}.phase.current:before{background:#6292dc;box-shadow:0 0 0 4px #eef3fc}.phase summary{font-size:14px;color:#62626c;cursor:pointer;list-style:none;min-height:30px}.phase summary:after{content:'⌄';display:inline-block;margin-left:9px;color:#b2b2b8}.phase-content{padding:11px 0 14px}.position-item{padding:11px 0 16px}.position-item+.position-item{border-top:1px solid #f0f0f3}.position-item h3{font-size:14px;font-weight:550;margin-bottom:8px;color:#53535c}.position-item p{font-size:15px;line-height:1.75;color:#666672}.evidence-list{padding-left:18px;margin:15px 0;font-size:15px;color:#686873;line-height:1.8}.small-note{font-size:13px;color:#919199;line-height:1.65}.conversation h2{font-size:24px;font-weight:610;letter-spacing:-.035em;line-height:1.25;margin-bottom:15px}.conversation p.prose{font-size:16px;line-height:1.8;color:#54545f}.questions-form{padding:25px 0 8px}.questions-form .field{margin-bottom:18px}.questions-form label{font-size:15px}.question-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:24px}.result-brief{padding:8px 0 28px}.result-open{border-left:2px solid #d1d8e6;padding:5px 0 5px 17px;margin-top:23px}.result-open h3{font-size:14px;margin-bottom:8px;font-weight:550}.prompt-card{border:1px solid #e1e3eb;border-radius:17px;overflow:hidden;margin-top:8px}.prompt-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px 18px;background:#f8f8fa;border-bottom:1px solid var(--line)}.prompt-card-head h3{font-size:14px;font-weight:550}.prompt-card-actions{display:flex;gap:1px}.prompt-card-actions .icon-button{width:32px;height:32px}.prompt-text{padding:24px;font-family:inherit;font-size:14px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;max-height:510px;overflow:auto;margin:0;scrollbar-width:thin}.prompt-editor{display:block;min-height:380px;width:100%;border:0;padding:24px;font-size:14px;line-height:1.7;resize:vertical}.result-tools{display:flex;gap:4px;margin-top:15px}.conversation-composer{padding:10px 30px 3px;background:linear-gradient(0deg,#fff 90%,#ffffff00);flex:none}.conversation-composer>div{max-width:800px;margin:auto}.conversation-composer textarea{min-height:48px;max-height:140px}.conversation-composer .composer{padding-top:15px;border-radius:22px}.conversation-error{padding:20px;border:1px solid #ece2dd;background:#fffbf8;border-radius:15px;margin:15px 0 25px}.conversation-error h3{font-size:16px;margin-bottom:8px}.conversation-error p{font-size:14px;line-height:1.7;color:#79716d}.conversation-error .button{margin-top:15px}.waiting-row{display:flex;gap:9px;align-items:center;color:#85858e;font-size:14px}.waiting-dot{width:7px;height:7px;background:#bfc6d4;border-radius:50%;animation:breathe 1.8s infinite}.source-card{display:block;border:1px solid var(--line);padding:14px;border-radius:10px;margin-top:9px;font-size:14px}.source-card small{display:block;color:var(--muted);overflow-wrap:anywhere}.page-content{max-width:1020px;margin:25px auto 70px;padding-bottom:15px}.page-heading{margin-bottom:36px}.page-heading h1{font-size:40px;font-weight:620;letter-spacing:-.05em;line-height:1.15;margin-bottom:16px}.page-heading>p:last-child:not(.eyebrow){font-size:17px;color:var(--muted);line-height:1.7;max-width:650px}.page-content.narrow{max-width:760px}.section-title{font-size:18px;font-weight:600;letter-spacing:-.02em;margin:30px 0 15px}.empty-state{padding:55px 25px;text-align:center;border:1px solid var(--line);border-radius:18px}.empty-state>svg{width:34px;height:34px;color:#a4a4af;margin-bottom:14px}.empty-state h2{font-size:20px;letter-spacing:-.025em;margin-bottom:12px}.empty-state p{color:var(--muted);font-size:15px;max-width:430px;margin:auto;line-height:1.65}.empty-state .button{margin-top:24px}.history-toolbar{display:flex;gap:12px;align-items:center;margin-bottom:27px}.history-toolbar input{flex:1;min-width:0}.history-list{border-top:1px solid var(--line)}.history-row{display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding:18px 4px}.history-row>a{min-width:0;flex:1}.history-row h2{font-size:16px;line-height:1.4;font-weight:500;overflow-wrap:anywhere}.history-row p{font-size:12px;color:var(--muted);margin-top:5px}.settings-section{margin-bottom:32px}.settings-section>h2{font-size:17px;font-weight:550;margin-bottom:10px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:23px 0;border-bottom:1px solid var(--line)}.setting-row strong{font-size:15px;font-weight:500;display:block}.setting-row p{font-size:14px;color:var(--muted);max-width:460px;margin-top:6px}.setting-row .button{flex:none}.switch{appearance:none;-webkit-appearance:none;width:40px;height:24px;border:0;border-radius:99px;background:#d7d7dd;position:relative;cursor:pointer;flex:none;transition:background .15s}.switch:after{content:'';position:absolute;width:18px;height:18px;top:3px;left:3px;border-radius:50%;background:white;box-shadow:0 1px 4px #0002;transition:transform .15s}.switch:checked{background:#26262a}.switch:checked:after{transform:translateX(16px)}.profile-card{border:1px solid var(--line);border-radius:20px;padding:32px;margin-bottom:30px}.profile-header{display:flex;align-items:center;gap:20px;margin-bottom:30px}.profile-header h2{font-size:23px;letter-spacing:-.03em}.profile-form{max-width:480px}.account-pages{display:flex;gap:5px;margin:0 0 30px;overflow:auto}.account-pages a{padding:10px 14px;font-size:14px;border-radius:9px;white-space:nowrap}.account-pages a.active{background:#f0f0f4}.section-panel{border:1px solid var(--line);border-radius:17px;padding:20px 25px}.section-panel .setting-row:last-child{border:0}.section-panel .setting-row:first-child{padding-top:9px}.balance-strip{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 0 28px;margin-bottom:40px;gap:20px}.balance-strip strong{font-size:30px;letter-spacing:-.04em;font-weight:550;display:block;margin-top:5px}.balance-strip p{font-size:14px;color:var(--muted);max-width:330px}.model-options{display:grid;gap:8px;margin:24px 0}.model-option{display:flex;gap:15px;align-items:center;padding:15px;border:1px solid var(--line);border-radius:13px;cursor:pointer}.model-option:has(input:checked){border-color:#98a9ca;background:#f8faff}.model-option>span:nth-child(2){flex:1}.model-option strong{display:block;font-size:16px;font-weight:550}.model-option small{display:block;color:var(--muted);font-size:13px;margin-top:2px}.model-option input{accent-color:#252528;width:17px;height:17px}.catalog-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.catalog-grid .model-option{padding:25px}.budget-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:30px;align-items:start}.budget-models{display:grid;gap:16px}.budget-model{border:1px solid var(--line);border-radius:18px;padding:23px}.budget-model-head{display:flex;align-items:center;gap:12px}.budget-model-head>div{flex:1;min-width:0}.budget-model-head h2{font-size:17px;font-weight:550}.budget-model-head p{font-size:12px;overflow-wrap:anywhere}.budget-model-head>strong{font-size:18px;font-weight:500}.token-inputs{display:grid;grid-template-columns:1fr 1fr;gap:17px;margin-top:24px}.token-inputs label>span{font-size:13px;color:#6d6d77;display:block;margin-bottom:7px}.token-inputs input{width:100%;font-size:19px;letter-spacing:-.02em;padding:12px;border:1px solid #dedee6;border-radius:10px;background:white;min-width:0}.token-inputs small{display:block;font-size:12px;color:#8c8c97;margin-top:6px}.token-inputs label>strong{display:block;font-size:22px;font-weight:550}.token-presets{display:flex;gap:6px;margin:19px 0 16px}.token-presets button{font-size:12px;padding:7px 11px;min-height:32px;border-radius:6px;background:#f5f5f8;color:#797982}.token-presets button:hover{background:#e9e9f0}.rate-select{font-size:12px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid #efeff4;padding-top:14px;margin-top:15px}.rate-select select{font-size:12px;background:#fff;border:1px solid var(--line);border-radius:7px;padding:7px;max-width:70%}.source-link{display:inline-flex;font-size:12px;color:#8992a3;padding-top:15px;min-height:36px}.source-link:hover{color:var(--blue)}.quote-summary{position:sticky;top:12px;border:1px solid var(--line);border-radius:18px;padding:24px}.quote-summary .eyebrow{font-size:12px;margin-bottom:14px}.quote-total{font-size:38px;font-weight:580;letter-spacing:-.045em;overflow-wrap:anywhere;margin-bottom:14px;line-height:1.1}.quote-summary .micro{font-size:12px}.quote-allocation{margin:24px 0}.quote-allocation>div{display:flex;justify-content:space-between;gap:15px;font-size:13px;padding:8px 0;color:#72727c}.quote-disclaimer{margin:19px 0}.catalog-muted{display:flex;align-items:center;gap:12px;padding:18px 22px;color:#9b9ba5;background:#fafafa;border-radius:13px}.catalog-muted .model-mark{opacity:.5}.catalog-muted strong{font-size:14px;font-weight:500}.catalog-muted p{font-size:12px}.explanation{margin-top:25px;font-size:14px;color:var(--muted);max-width:720px}.explanation summary{cursor:pointer;padding:12px 0}.explanation p{font-size:14px;line-height:1.75;margin:10px 0 17px}
/* Forms and documents */
.field{margin-bottom:20px}.field label{display:block;font-size:14px;font-weight:500;margin-bottom:8px}.field input:not([type=checkbox]),.field textarea,.field select,.history-toolbar input{display:block;width:100%;border:1px solid #dcdce4;background:#fff;border-radius:11px;padding:13px 14px;min-height:48px;font-size:16px}.field textarea{resize:vertical;min-height:100px;line-height:1.65}.field input[readonly]{color:#8c8c96;background:#fafafa}.field input[aria-invalid=true],.field textarea[aria-invalid=true]{border-color:#bf4c4f}.form-error{font-size:13px;line-height:1.5;color:#b33136;margin-top:8px}.field-note{font-size:13px;line-height:1.5;color:var(--muted);margin-top:8px}.password-wrap{position:relative}.password-wrap input{padding-right:76px!important}.password-wrap button{position:absolute;right:8px;top:6px;min-height:36px;background:transparent;color:#85858e;font-size:12px;padding:7px}.auth-layout{min-height:100svh;display:flex;flex-direction:column}.auth-main{flex:1;display:flex;align-items:center;justify-content:center;padding:50px 24px 65px}.auth-panel{width:100%;max-width:400px}.auth-panel h1{font-size:34px;line-height:1.2;letter-spacing:-.04em;font-weight:630;margin-bottom:15px;text-align:center}.auth-intro{text-align:center;font-size:16px;color:var(--muted);line-height:1.6;margin-bottom:32px}.google-button{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;gap:11px;border:1px solid #dddde5;border-radius:11px;background:white;font-size:15px}.google-button:hover{background:#fafafa}.google-button img{width:19px;height:19px}.divider{display:flex;gap:15px;align-items:center;margin:26px 0;color:#aaaab2;font-size:12px}.divider:before,.divider:after{content:'';height:1px;background:var(--line);flex:1}.auth-bottom{text-align:center;font-size:14px;color:var(--muted);margin-top:23px}.auth-bottom a{color:var(--blue)}.auth-forgot{display:block;text-align:right;font-size:13px;color:#6c7893;margin:-6px 0 24px}.checkbox-label{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.6;color:var(--muted);margin-bottom:22px}.checkbox-label input{accent-color:#26262a;margin-top:3px;flex:none}.checkbox-label a{text-decoration:underline}.auth-footer{padding:22px;display:flex;justify-content:center;gap:26px;font-size:12px;color:#97979f}.auth-footer a{min-height:32px;display:flex;align-items:center}.welcome-links{display:grid;gap:12px;margin-top:30px}.welcome-links a{padding:20px;border:1px solid var(--line);border-radius:13px;font-size:16px}.welcome-links a:hover{background:var(--soft)}.document-page{max-width:830px;margin:45px auto 90px;padding:0 30px}.document-page h1{font-size:46px;line-height:1.1;letter-spacing:-.05em;margin:20px 0 26px;font-weight:630}.doc-lead{font-size:19px;color:var(--muted);line-height:1.7;margin-bottom:40px}.document-section{margin:32px 0}.document-section h2{font-size:21px;font-weight:580;letter-spacing:-.02em;margin-bottom:15px}.document-section p{font-size:16px;line-height:1.85;color:#6f6f79}.document-section .button{margin-top:20px}.support-form{margin-top:35px}.public-checkout{max-width:1050px;margin:48px auto 85px;padding:0 30px}.public-checkout h1{font-size:40px;letter-spacing:-.05em;margin-bottom:35px}.dialog{border:1px solid #e4e4eb;border-radius:23px;box-shadow:0 24px 100px #17172a24;padding:0;width:min(500px,calc(100% - 32px));max-height:85svh;color:var(--ink);background:#fff}.dialog::backdrop{background:#17172435;backdrop-filter:blur(4px)}.dialog-wide{width:min(760px,calc(100% - 32px))}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:19px 23px 13px;position:sticky;top:0;background:white;z-index:1;border-bottom:1px solid #f1f1f5}.dialog-head h2{font-size:20px;font-weight:600;letter-spacing:-.025em}.dialog-body{padding:21px 25px 25px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}.dialog .model-options{margin-top:24px}.file-text{font:14px/1.65 monospace;white-space:pre-wrap;overflow-wrap:anywhere;max-height:55svh;overflow:auto}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#252529;color:#fff;font-size:14px;line-height:1.5;padding:13px 20px;border-radius:13px;box-shadow:0 7px 30px #0002;max-width:min(570px,calc(100vw - 30px));z-index:150;width:max-content}.modal-open{overflow:hidden}.badge{font-size:12px;display:inline-flex;padding:3px 8px;border-radius:5px;background:#eff4f1;color:#52745d}.page-404{text-align:center;margin:130px auto;max-width:600px;padding:0 25px}.page-404 h1{font-size:36px;letter-spacing:-.04em;margin:15px 0 30px}
@keyframes soft-enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes breathe{50%{opacity:.3}}
html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] h3{letter-spacing:-.025em;line-height:1.3}html[lang=zh-CN] .landing-hero h1{font-weight:600;font-size:clamp(55px,6.5vw,88px)}.reduce-motion *{scroll-behavior:auto!important;animation:none!important;transition:none!important}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media(min-width:1600px){.workspace-home{margin-top:18vh}.landing-hero{min-height:650px}}
@media(max-width:1100px){:root{--sidebar:225px}.outcome-spread{gap:40px}.budget-layout{grid-template-columns:minmax(0,1fr) 235px;gap:20px}.quote-summary{padding:20px}.page-heading h1{font-size:35px}.budget-model{padding:19px}.topbar{padding:0 22px}.app-main{padding:0 24px}.conversation-composer{padding-left:24px;padding-right:24px}.process-columns{gap:27px}.landing-hero{min-height:550px}.conversation{max-width:740px}}
@media(max-width:850px){.sidebar{width:256px;transform:translateX(-100%);box-shadow:20px 0 70px #1a1a2017}.app-shell,.sidebar-collapsed .app-shell{margin-left:0}.sidebar-open-button{display:inline-flex}.sidebar-mobile-open .sidebar{transform:none}.sidebar-mobile-open .sidebar-scrim{display:block;position:fixed;inset:0;z-index:25;background:#1a1a252a}.topbar{height:65px;min-height:65px}.workspace-home{margin-top:13vh}.outcome-spread{grid-template-columns:1fr;gap:45px}.outcome-card{max-width:560px}.landing-story{padding-top:75px;padding-bottom:80px}.landing-hero{padding-top:75px;min-height:540px}.landing-hero .lead{font-size:21px}.process-columns h3{font-size:22px}.budget-layout{grid-template-columns:minmax(0,1fr) 255px}.public-nav{padding:0 24px}.public-nav-right{gap:17px}.history-item .icon-button{opacity:1}}
@media(max-width:620px){.public-header{height:72px}.public-nav{padding:0 20px;gap:14px}.public-nav .wordmark{font-size:25px}.public-nav-right{gap:9px}.public-nav .account-link{font-size:13px}.public-nav .account-link svg{display:none}.languages{gap:1px}.languages button{min-width:31px;padding:6px;font-size:12px}.landing-hero{padding:60px 22px 85px;min-height:515px}.landing-hero h1{font-size:clamp(49px,11vw,69px);letter-spacing:-.06em}.landing-hero .lead{font-size:18px;line-height:1.55;max-width:360px;margin:27px auto}.landing-story{padding:63px 25px 70px}.story-heading h2{font-size:38px;line-height:1.14}.story-heading>p:last-child{font-size:18px;margin-top:21px}.process-columns{grid-template-columns:1fr;gap:26px;margin-top:40px}.process-columns li{display:grid;grid-template-columns:35px 1fr;column-gap:10px;padding-top:23px}.process-number{grid-row:1/3;padding-top:3px}.process-columns h3{margin:0 0 10px;font-size:24px}.process-columns p{grid-column:2;font-size:16px}.outcome-card{padding:30px;border-radius:23px;min-height:330px}.outcome-card h3{font-size:32px}.usecase-rows>a{grid-template-columns:1fr 22px;gap:8px;padding:25px 0}.usecase-category{grid-column:1;font-size:12px}.usecase-copy{grid-column:1}.usecase-copy strong{font-size:22px}.usecase-copy small{font-size:15px;line-height:1.65}.usecase-arrow{grid-column:2;grid-row:1/3;font-size:25px}.faq h2{font-size:31px}.faq summary{font-size:17px}.invitation{padding:55px 24px 85px}.footer-inner{flex-direction:column;align-items:flex-start;gap:13px}.public-footer{padding:24px}.footer-links{gap:20px;font-size:12px}.app-main{padding:0 18px}.topbar{padding:0 15px}.topbar-left{gap:6px}.topbar-left .page-label{font-size:15px;max-width:150px}.workspace-home{margin-top:10vh}.workspace-home h1{font-size:29px;margin-bottom:27px}.composer{padding:17px 14px 12px;border-radius:21px}.composer-controls{gap:2px}.composer-options{gap:0}.model-picker-button{padding:8px 5px;gap:6px;font-size:12px}.model-picker-button .model-marks .model-mark{width:21px;height:21px}.model-picker-button .model-marks img{width:14px;height:14px}.web-toggle{padding:7px}.web-toggle span{display:none}.composer-send{font-size:13px;padding:9px 11px}.suggestions{gap:7px;margin-top:14px}.suggestions button{font-size:12px;padding:8px 12px;min-height:36px}.suggestions-label{font-size:11px}.composer-hint{font-size:11px}.conversation{padding-top:15px}.conversation-composer{padding:8px 14px 0}.conversation-composer .composer{padding:13px 12px 10px}.user-message{max-width:93%;padding:15px 18px;font-size:15px;margin-bottom:30px}.conversation h2{font-size:22px}.assistant-label{margin-bottom:18px}.phase{padding-left:18px}.phase summary{font-size:13px}.position-item p{font-size:14px}.conversation p.prose{font-size:15px}.prompt-text{padding:19px;font-size:13px}.prompt-card-head{padding:11px 14px}.question-actions .button{font-size:13px;padding:10px 13px}.app-fineprint{font-size:11px;padding:7px 8px 9px}.page-content{margin-top:25px}.page-heading h1{font-size:33px}.page-heading>p:last-child:not(.eyebrow){font-size:16px}.budget-layout{grid-template-columns:1fr}.quote-summary{position:static;margin-top:8px}.quote-total{font-size:36px}.budget-model{padding:20px}.budget-model-head p{font-size:11px}.budget-model-head>strong{font-size:16px}.token-inputs{gap:12px}.token-inputs input{font-size:17px}.budget-model .rate-select{font-size:11px}.rate-select select{font-size:11px;max-width:72%}.balance-strip{align-items:flex-start;flex-direction:column;gap:13px}.catalog-grid{grid-template-columns:1fr}.setting-row{gap:15px}.setting-row .button{padding:9px 12px;font-size:12px}.setting-row strong{font-size:14px}.setting-row p{font-size:13px}.profile-card{padding:23px}.history-toolbar .button span{display:none}.history-row .icon-button{width:32px}.auth-main{padding-top:44px;align-items:flex-start}.auth-panel h1{font-size:31px}.auth-footer{gap:18px}.document-page{padding:0 24px;margin-top:34px}.document-page h1{font-size:38px}.doc-lead{font-size:17px}.document-section h2{font-size:20px}.document-section p{font-size:15px}.public-checkout{padding:0 22px;margin-top:35px}.public-checkout h1{font-size:34px}.dialog-body{padding:21px}.dialog-head{padding-left:21px}.dialog-head h2{font-size:19px}.toast{font-size:13px}html[lang=zh-CN] .landing-hero h1{font-size:clamp(43px,10.5vw,60px)}}
@media(max-width:360px){.public-nav .wordmark{font-size:23px}.public-nav-right{gap:5px}.public-nav{padding:0 14px}.languages button{min-width:28px;font-size:11px;padding:5px}.topbar-left .page-label{max-width:110px}.composer-send>span{display:none}.composer-send{width:38px;height:38px;padding:8px}.model-picker-button .model-marks .model-mark{width:20px}.workspace-home h1{font-size:28px}.token-inputs label>span{font-size:12px}}

/* Controls and primary reading remain legible on compact screens. */
.languages button,.model-picker-button,.web-toggle,.side-link,.history-item a,.phase summary,.token-inputs label>span,.rate-select,.rate-select select,.token-presets button,.suggestions button{font-size:14px}.position-item p{font-size:16px}.prompt-text{font-size:14px}.assistant-block .small-note{font-size:13px}.file-pill strong,.file-pill small{font-size:12px}.file-text{max-height:50svh}.composer:has(.file-tray:not([hidden]))+.composer-hint{min-height:32px}
/* The product is the front door: one sentence, followed immediately by the composer. */
.workspace-home.product-entry{max-width:800px;margin:clamp(45px,11vh,120px) auto 42px}
.product-entry .entry-title{font-size:clamp(36px,4.5vw,60px);font-weight:640;line-height:1.11;letter-spacing:-.048em;margin:0 auto 42px;max-width:820px;text-align:center;text-wrap:balance;color:#18181e}
.entry-title>span{display:block}
.entry-title .entry-emphasis{color:#255ac5;background:linear-gradient(105deg,#146aca 12%,#5651cb 63%,#8454b8);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;padding-bottom:.05em}
.product-entry .composer{border-color:#dedee6;padding:22px 22px 15px;box-shadow:0 8px 30px -20px #25264726;border-radius:25px}
.product-entry .composer:focus-within{border-color:#a3adc5;box-shadow:0 8px 32px -19px #3444742b}
.product-entry #question-input{font-size:18px;min-height:95px;line-height:1.65}
.product-entry #question-input::placeholder{color:#72727e}
.help-example-links{display:grid;gap:0;border-top:1px solid var(--line);margin:16px 0 28px}
.help-example-links a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--line);font-size:16px}
.help-example-links a:hover{color:var(--blue)}
@media(max-width:850px){.workspace-home.product-entry{margin-top:clamp(45px,10vh,100px)}.product-entry .entry-title{font-size:clamp(36px,5.8vw,53px);max-width:690px}}
@media(max-width:620px){.workspace-home.product-entry{margin-top:clamp(35px,8vh,65px)}.product-entry .entry-title{font-size:clamp(32px,8vw,43px);line-height:1.16;letter-spacing:-.04em;margin-bottom:31px}.product-entry .composer{padding:17px 14px 12px;border-radius:21px}.product-entry #question-input{font-size:16px;min-height:85px}}
@media(max-height:550px){.workspace-home.product-entry{margin-top:20px}.product-entry .entry-title{font-size:36px;margin-bottom:25px}}
html[lang=zh-CN] .product-entry .entry-title{font-size:clamp(34px,4.5vw,56px);line-height:1.28;letter-spacing:-.015em}
@media(forced-colors:active){.entry-title .entry-emphasis{background:none;-webkit-text-fill-color:CanvasText;color:CanvasText}}
/* A compact version selector. The conversation stays the primary surface. */
.model-choice{border:1px solid #e1e2e8;border-radius:16px;overflow:hidden;min-width:0;background:#fff}
.model-choice:has([data-family-choice]:checked){border-color:#a9b9d5;background:#fafcff}
.model-choice .model-option{border:0;border-radius:0;padding:14px 16px 10px;background:transparent;min-width:0}
.model-choice .model-option>span:nth-child(2){min-width:0}
.model-choice .model-option small{font-size:13px;color:#626570}
.model-choice .model-option input{width:19px;height:19px;flex:none;accent-color:#006ce5}
.model-version-field{padding:0 16px 14px 55px}
.model-version-field select{display:block;width:100%;min-width:0;min-height:42px;padding:9px 32px 9px 12px;border:1px solid #d9dfe9;border-radius:9px;background:#fff;color:#1d1d1f;font:inherit;font-size:15px;cursor:pointer}
.model-version-field select:disabled{color:#6b6d74;background:#f8f8fa;border-color:#ededf0;cursor:default;opacity:1}
.model-version-field p{font-size:13px;color:#626570;margin-top:7px;line-height:1.45}
.model-picker-note{font-size:15px;line-height:1.6;color:#454650}
.model-options{gap:12px}
.dialog .model-options{margin:20px 0}
.dialog .model-picker-note+.model-options+.form-error+.dialog-actions{margin-top:18px;margin-bottom:16px}
.catalog-grid .model-option{padding:20px 20px 12px}
.catalog-grid .model-version-field{padding:0 20px 20px 59px}
.turn-models{font-size:14px;color:#5a5c66;margin:-9px 0 20px;line-height:1.6}
.turn-models summary{cursor:pointer;width:fit-content}
.turn-models p{margin-top:7px;color:#31343b;overflow-wrap:anywhere}
.budget-version{margin:18px 0 0;display:grid;gap:8px;font-size:14px;color:#444750}
.budget-version select{width:100%;min-width:0;min-height:44px;border:1px solid #d9dfe9;border-radius:10px;background:#fff;padding:10px;font:inherit;color:#202124}
@media(max-width:600px){.catalog-grid{grid-template-columns:1fr}.model-picker-button{max-width:calc(100vw - 178px);min-width:0}.model-picker-button>span:nth-child(2){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.model-version-field{padding-left:16px}.catalog-grid .model-version-field{padding-left:20px}.dialog-body{padding:18px}.model-options{gap:10px}}
/* One wallet for the entire council. Models belong in the conversation. */
.wallet-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:46px;align-items:start}
.wallet-amount{min-width:0}
.wallet-amount h2{font-size:20px;font-weight:600;letter-spacing:-.025em;margin-bottom:22px}
.credit-presets{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.credit-presets button{border:1px solid #dedfe6;border-radius:13px;padding:19px 8px;background:white;text-align:center;min-height:88px;color:#26262a}
.credit-presets button strong{font-size:21px;font-weight:550;display:block;letter-spacing:-.025em}
.credit-presets button span{display:block;margin-top:7px;font-size:14px;color:#555b66}
.credit-presets button:hover{border-color:#9cacc7;background:#fafcff}
.credit-presets button[aria-pressed=true]{border-color:#2170d4;background:#f4f8ff;box-shadow:inset 0 0 0 1px #2170d4}
.wallet-custom{margin:28px 0 17px}
.wallet-input-wrap{position:relative}
.wallet-input-wrap input{padding-right:165px!important;font-size:20px!important;font-variant-numeric:tabular-nums}
.wallet-input-wrap>span{position:absolute;right:15px;top:50%;transform:translateY(-50%);font-size:14px;color:#5e616a;pointer-events:none}
.wallet-conversion{font-size:14px;color:#343842;padding:0 0 28px}
.wallet-explanation{border-top:1px solid #e4e5eb;padding-top:28px}
.wallet-explanation h3{font-size:16px;font-weight:580;margin-bottom:14px}
.wallet-explanation p{font-size:15px;color:#484c56;line-height:1.65;margin:10px 0}
.wallet-explanation .wallet-example{color:#242934}
.wallet-explanation .wallet-definition{font-size:14px;color:#646874;margin-top:16px}
.wallet-summary{padding:25px;border:1px solid #e0e3eb;border-radius:18px;position:sticky;top:16px;background:#fff}
.wallet-summary>span{font-size:14px;color:#505561}
.wallet-price{font-size:36px;letter-spacing:-.045em;font-weight:560;display:block;margin:15px 0 25px;line-height:1.15;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.wallet-credit-total{display:flex;flex-direction:column;gap:8px;border-top:1px solid #e9ebf1;padding-top:18px;margin-bottom:25px;font-size:14px;color:#5b606b}
.wallet-credit-total strong{font-size:20px;color:#222832;font-weight:520;overflow-wrap:anywhere}
.wallet-summary>p{font-size:13px;color:#606774;line-height:1.6;margin-top:16px}
.wallet-receipt{font-size:48px;font-weight:570;letter-spacing:-.04em;overflow-wrap:anywhere;margin:0 0 20px}
.wallet-receipt span{display:block;font-size:16px;font-weight:400;letter-spacing:0;margin-top:8px}
.wallet-receipt+.text-link{display:inline-block;margin-bottom:20px}
.wallet-confirm-price{font-size:32px;font-weight:580;line-height:1.3;margin-bottom:20px}
@media(max-width:1100px){.wallet-layout{gap:26px;grid-template-columns:minmax(0,1fr) 260px}.credit-presets{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:690px){.wallet-layout{grid-template-columns:1fr}.wallet-summary{position:static}.wallet-input-wrap input{padding-right:145px!important}.wallet-input-wrap>span{font-size:13px}.wallet-price{font-size:34px}}
.gate-dialog{position:fixed;top:50%;left:50%;right:auto;bottom:auto;width:min(460px,calc(100vw - 32px));height:auto;max-height:min(640px,calc(100svh - 32px));margin:0;transform:translate(-50%,-50%);border:0;border-radius:18px;padding:0;overflow:auto}
.gate-dialog::backdrop{background:rgba(20,20,22,.38);backdrop-filter:none}
.gate-dialog .dialog-body{padding:4px 28px 28px}
.gate-dialog h2{font-size:28px;line-height:1.2;letter-spacing:-.03em}
.gate-lead{color:#1d1d1f;font-size:16px;line-height:1.45;margin:0 0 22px}
.gate-actions{display:flex;flex-wrap:wrap;gap:10px}
.gate-actions .button{flex:1 1 160px;justify-content:center;text-align:center}