/* AutoChina executive workspace. Local assets, no external font requests. */
:root{--bg:#f4f3ef;--paper:#fff;--ink:#202d32;--muted:#697679;--line:#e3e6e2;--accent:#edf2ef;--gold:#b59b69;--nav:#142b32}
body{font-family:"Segoe UI Variable","Segoe UI","Microsoft YaHei",sans-serif;font-size:15px;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
.sidebar{width:236px;background:var(--nav);color:#e7edea;padding:38px 24px;border:0;z-index:2;overflow:hidden}
.sidebar::after{content:"";position:absolute;width:270px;height:270px;border:1px solid #ffffff0a;bottom:75px;left:-130px;transform:rotate(35deg);pointer-events:none}
.brand{gap:13px;font-size:24px;letter-spacing:-.8px;color:#fff}.brandmark{width:42px;height:46px;border-color:#b59b6980;color:#d6c5a3;font-size:28px;background:#ffffff04}.brand small{color:#a1b0b3;font-size:8px;letter-spacing:2px;margin-top:3px}.workspace-label{font-size:9px;color:#80989e;letter-spacing:1.8px;margin:65px 10px 20px}
nav{gap:10px}nav button{color:#afbec1;padding:15px 13px;border-radius:5px;position:relative;gap:17px}nav button b{font-size:14px;font-weight:500}nav button span{color:#8caaa9;opacity:1;font-size:10px}nav button:hover{background:#ffffff09;color:#fff}nav button.active{background:#284149;color:#fff}nav button.active::before{content:"";position:absolute;left:0;top:15px;bottom:15px;width:2px;background:#c1a676}nav button.active span{color:#d2bd96}
.side-foot{position:relative;z-index:1;border-top:1px solid #ffffff12;padding-top:24px}.connection{color:#a8c1bb;font-size:11px}.connection i.connected{background:#8fb49e;box-shadow:0 0 0 4px #8fb49e10}.settings-link{color:#c0cbca;margin-top:9px;font-size:12px}.side-foot small{color:#7b9298;letter-spacing:1.8px;margin-top:20px}
main{margin-left:236px;padding:0 44px;max-width:1750px}.topbar{height:78px;border-bottom:1px solid #dddeda;color:#667477;font-size:12px;letter-spacing:.2px}.topbar>span::before{content:"";display:inline-block;width:6px;height:6px;background:#b69e70;margin-right:11px}.top-actions{gap:23px}.local-tag{border:0;color:#788480;font-size:11px}.topbar select{color:#253c42;background:#ebece7;border-radius:4px;padding:6px 10px}.text-button:hover{color:#264a55}.hero{padding:37px 0 31px;position:relative}.hero .eyebrow{color:#8d7954;letter-spacing:2.8px;font-size:10px}h1{font-family:"Segoe UI Variable","Microsoft YaHei","Segoe UI",sans-serif;font-size:clamp(30px,2.65vw,46px);font-weight:600;letter-spacing:-1.5px;line-height:1.25;max-width:920px;text-wrap:balance;margin:15px 0 14px}.hero p{font-size:13px;color:#738082;max-width:700px}.eyebrow{font-size:10px;letter-spacing:1.7px}
.context-bar{border:1px solid #e0e3dd;border-radius:8px;padding:18px 22px;margin-bottom:25px;background:#eeefea;gap:24px}.context-bar label span{font-size:10px;letter-spacing:.3px;color:#798581}.context-bar input,.context-bar select{font-size:14px;font-weight:500;border:0;padding:3px 0;color:#263d43}.context-bar label{min-width:140px}.context-bar .model-label{border-left:1px solid #d8ddd5;padding-left:24px}.context-bar .quantity-label{max-width:66px;min-width:60px}.primary{background:#173d47;color:#fff;padding:11px 20px;border-radius:5px;font-size:12px;box-shadow:0 3px 8px #142b3209}.primary:hover{background:#245362}.context-bar .primary::after{content:"↗";margin-left:16px;font-size:16px;font-weight:400}.secondary{background:#f0f2ed;border-color:#dce2d8;color:#34474b}
.work-grid{grid-template-columns:minmax(0,1fr) 270px;gap:22px}.card{border:1px solid #e3e6e1;border-radius:9px;box-shadow:0 4px 18px #152d3403}.conversation{border-top:2px solid #234954}.panel-heading{padding:24px 26px 22px;background:#fff}.panel-heading .eyebrow{font-size:9px;color:#9a896a;letter-spacing:1.6px}.panel-heading h2{font-size:18px;font-weight:600;color:#223b42;margin-top:7px}.tag{border-radius:4px;background:#edf3ee;color:#4e705e;font-size:10px;padding:5px 9px;font-weight:500}.messages{height:390px;padding:27px 28px;background:#fff;scrollbar-width:thin;scrollbar-color:#d1d9d4 transparent}.empty{position:relative;max-width:460px;margin:0 auto;padding:20px}.large-character{font-family:"SimSun",serif;font-size:42px;color:#8a7854;width:74px;height:78px;border:1px solid #e6dfd0;background:#f8f6f0;display:grid;place-items:center;margin-bottom:23px}.empty h3{font-size:21px;font-weight:500;letter-spacing:-.4px;color:#30494e}.empty p{font-size:13px;max-width:350px;line-height:1.9}.message{max-width:96%;margin-bottom:29px}.message-label{font-size:9px;color:#8b9694;letter-spacing:1.2px}.message-content{font-size:14px;line-height:1.95;color:#33494e}.message.user{background:#edf2f0;border:1px solid #e2eae6;padding:15px 19px;border-radius:8px 8px 2px 8px}.message.user .message-label{color:#718b80}.message-tools button{font-size:10px;color:#81928d}.message-tools button:hover{color:#325849}.suggestions{gap:10px;padding:0 25px 19px}.suggestions button{font-size:11px;background:#f5f6f2;border:1px solid #e7eae1;padding:7px 12px;border-radius:4px;color:#64766a}.suggestions button::before{content:"+";margin-right:9px;color:#9b8964}
.composer{background:#f9faf7;border:1px solid #dce3d9;border-radius:7px;margin:0 23px 12px;padding:14px 16px;transition:border-color .2s,box-shadow .2s}.composer:focus-within{border-color:#8aa69c;box-shadow:0 0 0 3px #e9eeea}.composer textarea{font-size:14px;min-height:62px;color:#264049}.composer textarea::placeholder{color:#9aa49d}.composer .primary{padding:9px 23px}.privacy-note{font-size:10px;line-height:1.7;color:#87938b;padding:0 25px 20px}.detail-panel{gap:20px}.task-card{background:#fafbf8;padding:25px 24px;border-color:#dfe5dc}.task-card>.eyebrow{color:#879082;font-size:9px}.progress-heading{margin-top:17px}.progress-heading h2{font-size:18px;color:#34483e;font-weight:500}.progress-heading strong{font-family:Georgia,serif;font-size:36px;color:#355246}.progress-heading strong span{font-size:13px;color:#94a090;margin-left:7px}progress{margin:19px 0 17px;height:3px}progress::-webkit-progress-bar{background:#e5eadd}progress::-webkit-progress-value{background:#8c9d75}#checklist li{padding:7px 0;font-size:12px;color:#718071;gap:11px}#checklist li::before{border-radius:50%;width:13px;height:13px;border-color:#ccd7c6;background:#fff}#checklist li.done::before{background:#799269;border-color:#799269}#progress-note{padding-top:16px;border-top:1px solid #e4e9df;font-size:10px;line-height:1.9;color:#8a9384}.source-card{border-top:2px solid #c4b18c;background:#fff;padding:23px 24px}.source-card>.eyebrow{color:#918368;font-size:9px}.source-item{border-color:#eff0eb;padding:12px 0;color:#546761;line-height:1.7}.source-item small{color:#a49371;font-size:9px}.source-card .muted{font-size:11px;line-height:1.9}.training-banner{background:#f4f0e5;color:#8d7850;border-bottom:1px solid #ebe4d4;font-size:11px}
.section-heading{padding:8px 0 15px;border-bottom:1px solid #e0e4dc}.section-heading h2{font-size:27px;letter-spacing:-.5px;font-weight:500}.search-label input{padding:16px 18px;border-color:#dbe1d6;background:#fff}.library-grid{gap:18px}.library-item{padding:26px 28px;border-top:2px solid #c5b38b;transition:transform .2s,box-shadow .2s}.library-item:hover{transform:translateY(-2px);box-shadow:0 8px 24px #1c3a4208}.library-item .eyebrow{color:#a3957a;font-size:9px}.library-item h3{font-size:20px;line-height:1.6;color:#26434c}.library-item p{line-height:1.8}.library-item .pinyin{color:#9b8a66}.history-item{padding:23px 26px;transition:border-color .2s,background .2s;border-left:3px solid #9eaf9b}.history-item:hover{background:#fafbf7;border-left-color:#36584c}.history-item strong{font-size:15px;font-weight:500}.history-item small{margin-top:6px;font-size:11px}.settings-layout{grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr);gap:60px;padding:12px 0 30px}.settings-layout>div>.eyebrow{color:#a18b61}.settings-layout h2{font-size:30px;font-weight:500}.settings-layout p{color:#72807b;line-height:1.9;font-size:13px}.settings-card{padding:32px;border-top:2px solid #244954}.settings-card>label{font-size:11px;color:#6c7c77}.settings-card input:not([type=checkbox]),.settings-card select{padding:12px 14px;background:#f9faf7;border-color:#e0e6dd;color:#344f53;font-size:13px}.settings-card .checkbox{font-size:11px}.form-actions{margin-top:28px;gap:12px}output{color:#426e57}.topbar .text-button{font-size:11px}footer{margin-top:10px;padding:24px 0 28px;border-top:1px solid #e2e4dc;color:#939b94;font-size:9px;letter-spacing:.6px}.sr-only:focus{clip:auto;width:auto;height:auto;position:fixed;top:10px;left:10px;z-index:10;background:#fff;padding:12px;color:#142b32}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline-color:#b59b69}
@media(min-width:1550px){main{padding:0 60px}.hero{padding-top:43px}.messages{height:420px}.work-grid{grid-template-columns:minmax(0,1fr) 300px}}
@media(max-width:1150px) and (min-width:851px){.sidebar{width:205px;padding:32px 19px}main{margin-left:205px;padding:0 28px}.work-grid{grid-template-columns:minmax(0,1fr) 232px;gap:16px}.task-card,.source-card{padding:22px 18px}.context-bar{gap:16px;padding:16px}.context-bar label{min-width:100px}.context-bar .model-label{padding-left:16px}.context-bar .primary{padding:10px 12px}.context-bar .primary::after{margin-left:8px}.panel-heading{display:block}.panel-heading .tag{margin-top:10px}.settings-layout{gap:28px}}
@media(max-width:850px){.sidebar{position:static;width:auto;padding:20px 25px;overflow:visible}.sidebar::after,.workspace-label,.side-foot{display:none}.brand{font-size:22px}.brandmark{width:34px;height:39px;font-size:24px}nav{margin-top:20px;gap:8px}nav button{padding:10px 14px}nav button b{font-size:12px}nav button.active::before{top:10px;bottom:10px}.sidebar nav{padding:0}main{margin:0;padding:0 25px}.topbar{height:66px}.hero{padding:30px 0 26px}h1{font-size:34px;letter-spacing:-.9px}.context-bar{padding:18px;gap:18px}.context-bar .primary{width:auto;margin-left:auto}.context-bar .model-label{border-left:0;padding-left:0}.work-grid{grid-template-columns:1fr}.detail-panel{grid-template-columns:1fr 1fr}.messages{height:380px}.settings-layout{grid-template-columns:1fr;gap:20px}.settings-card{max-width:680px}.settings-layout h2{font-size:27px}.panel-heading{display:flex}}
@media(max-width:540px){.sidebar{padding:18px}.brand{font-size:21px}nav{gap:3px;justify-content:space-between}nav button{padding:9px 10px}nav button b{font-size:11px}main{padding:0 16px}.topbar{height:59px}.top-actions{gap:13px}.topbar .local-tag{font-size:10px}.hero{padding:27px 0 24px}h1{font-size:29px;line-height:1.4;letter-spacing:-.6px}.hero .eyebrow{font-size:8px}.hero p{font-size:12px;line-height:1.9}.context-bar{padding:16px;gap:13px}.context-bar>label:first-child{flex-basis:100%}.context-bar .model-label{flex-basis:65%}.context-bar .primary{width:100%;margin-top:3px}.context-bar label span{font-size:10px}.detail-panel,.library-grid{grid-template-columns:1fr}.panel-heading{display:block;padding:21px}.panel-heading h2{font-size:17px}.panel-heading .tag{margin-top:10px}.messages{padding:23px 20px;height:350px}.composer{margin:0 14px 12px}.privacy-note{padding:0 17px 17px}.task-card,.source-card{padding:24px}.settings-card{padding:23px}.form-actions{flex-wrap:wrap}.empty h3{font-size:19px}.message-content{font-size:13px}.section-heading h2{font-size:24px}}

/* Customer learning proposition */
h1{max-width:980px;font-size:clamp(30px,2.8vw,45px);line-height:1.18;letter-spacing:-1.1px}.hero p{max-width:780px;line-height:1.85;font-size:14px}.learning-benefits{display:flex;gap:24px;flex-wrap:wrap;margin-top:19px;font-size:11px;color:#7b816e}.learning-benefits span::before{content:"✓";color:#a18a5d;margin-right:8px}nav button b{font-size:12px}nav button{gap:12px}.context-bar .primary{white-space:normal}.panel-heading h2{font-size:17px}.empty h3{font-size:21px;line-height:1.5}.empty p{line-height:1.85}.hero{padding-bottom:27px}@media(max-width:540px){h1{font-size:29px}.learning-benefits{gap:10px;font-size:10px}nav button b{font-size:10px}.hero p{font-size:12px}}

/* Clearly visible Chinese audio controls */
.message-tools{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;align-items:center}
.message-tools button{font-size:14px;font-weight:600;min-height:42px;padding:10px 15px;border:1px solid #bacbc5;border-radius:7px;color:#254a45;background:#f1f5f2;cursor:pointer}
.message-tools .speech-play{background:#214f49;color:#fff;border-color:#214f49}
.message-tools .speech-play:hover{background:#173e39;color:#fff}
.message-tools button:hover{border-color:#214f49;color:#173e39}
.message-tools .speech-copy{background:transparent;font-weight:400}
.speech-status{flex-basis:100%;font-size:13px;color:#3d6155;min-height:18px}

.empty .large-character{font-family:"Segoe UI",sans-serif;font-size:20px;font-weight:600;width:auto;min-width:112px;height:62px;padding:0 18px;display:inline-grid;letter-spacing:.3px}