:root{--paper:#fff;--ice:#f1f6fc;--blue:#0755aa;--deep:#003f88;--ink:#123353;--muted:#536c86;--line:#d4dfed;--display:'Noto Serif SC','Songti SC',serif;color-scheme:light;font-family:'PingFang SC','Microsoft YaHei',system-ui,sans-serif;color:var(--ink);background:#fff;scrollbar-color:#88a6c8 var(--ice)}*{box-sizing:border-box}html{scroll-padding-top:104px}body{margin:0}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;border:0;background:none;color:inherit}a{color:inherit;text-decoration:none}p{line-height:1.9}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-family:var(--display);text-wrap:balance}img{max-width:100%;display:block}button:disabled{opacity:.55;cursor:wait}input,textarea{caret-color:var(--blue)}::selection{background:#cfe3fa;color:#082e56}:focus-visible{outline:3px solid #1472d8;outline-offset:4px}[hidden],.hidden{display:none!important}.icon,svg{width:20px;height:20px;flex:none;vertical-align:middle}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip-link{position:fixed;top:-100px;left:16px;padding:12px;background:#fff;z-index:100}.skip-link:focus{top:10px}.app-header{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 3%;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}.brand img{width:36px;height:36px;filter:grayscale(1) sepia(1) saturate(5) hue-rotate(166deg)}.brand strong{font-family:var(--display);font-size:22px;display:block;line-height:1.2}.brand small{display:block;font-size:10px;letter-spacing:.08em;margin-top:5px;color:var(--muted)}#navigation{display:flex;align-items:center;gap:25px}.nav-item{display:flex;align-items:center;min-height:44px;font-size:14px;color:#45617e;white-space:nowrap;position:relative}.nav-item svg,.nav-divider,.sidebar-bottom{display:none}.nav-item.active{color:var(--blue);font-weight:600}.nav-item.active:after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--blue)}.nav-item:hover{color:var(--blue)}.header-actions{display:flex;gap:15px;align-items:center}.account-link{font-size:14px}.header-actions .register-link{padding:8px 17px;min-height:38px}.service-summary{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted)}.service-summary svg{width:17px}.service-summary #service-summary{display:none}.status-dot{width:6px;height:6px;border-radius:50%;background:#98a7b6;display:inline-block}.status-dot.ready{background:#278073}.icon-button{display:grid;place-items:center;width:40px;height:40px;border-radius:7px}.icon-button:hover{background:var(--ice)}.mobile-only,.context-bar{display:none}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:13px 23px;font-size:14px;font-weight:500;border:1px solid transparent;border-radius:4px;transition:background .2s}.button.primary{color:#fff;background:var(--blue)}.button.primary:hover{background:var(--deep)}.button.secondary{background:#fff;color:var(--blue);border-color:#a9c1de}.button.secondary:hover{background:#e8f1fb}.back-link{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted)}.back-link:hover{color:var(--blue)}
.blue-hero{background:#f9fcff url('data/assets/heritagemind-landscape.png') right center/cover no-repeat;overflow:hidden}.hero-inner{max-width:1440px;margin:auto;min-height:660px;display:grid;grid-template-columns:1fr 1.08fr;align-items:center;gap:34px;padding:58px 5% 62px}.hero-text{position:relative;z-index:5}.hero-text h1{font-size:clamp(42px,4.7vw,68px);line-height:1.4;letter-spacing:-.035em;color:#103c68}.hero-text h1 span{color:var(--blue)}.hero-text>p{font-size:16px;color:#3b5d7e;line-height:2;margin-top:25px;max-width:31em}.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}.hero-caption{display:flex;flex-wrap:wrap;gap:10px 22px;border-top:1px solid #b6cde4;margin-top:32px;padding-top:17px;font-size:11px;color:#45617e}.hero-caption time{font-variant-numeric:tabular-nums}.artifact{position:absolute;border-radius:3px;background:#fff;padding:12px;box-shadow:0 20px 46px #12335325;text-align:left;transition:transform .5s cubic-bezier(.16,1,.3,1),box-shadow .5s;overflow:hidden}.metrics-band{background:var(--deep);color:#fff}.metrics-inner{max-width:1440px;margin:auto;padding:0 5%;display:grid;grid-template-columns:repeat(5,1fr)}.metric{padding:31px 25px 18px;border-right:1px solid #ffffff26;display:flex;flex-direction:column;gap:7px}.metric:first-child{padding-left:0}.metric:last-child{border-right:0}.metric strong{font-size:36px;font-family:var(--display);font-weight:600;font-variant-numeric:tabular-nums}.metric span{font-size:13px;color:#dceaff}.metrics-band>p{max-width:1440px;margin:auto;padding:0 5% 17px;font-size:10px;color:#c9ddf5}
.research-tools{max-width:1440px;margin:auto;padding:90px 5%}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:36px}.section-heading h2{font-size:32px;line-height:1.5}.section-heading p{font-size:14px;color:var(--muted);margin-top:12px}.search-box{display:flex;gap:9px;align-items:center;border-bottom:1px solid #8daac9;padding:10px 0;color:var(--muted)}.search-box input{border:0;outline:0;width:165px;font-size:13px;color:var(--ink);background:transparent}.search-box:focus-within{border-color:var(--blue)}.module-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:23px}.module-card{min-width:0;display:flex;flex-direction:column}.module-art{background:var(--ice);height:210px;overflow:hidden;border-radius:3px}.module-art img{width:100%;height:100%;object-fit:contain;padding:17px;transition:transform .4s}.module-card:hover .module-art img{transform:scale(1.05)}.card-copy{padding:20px 0 0;display:flex;flex-direction:column;flex:1}.card-heading{display:flex;flex-direction:column;gap:7px}.card-heading h3{font-size:21px}.card-status{font-size:11px;color:var(--muted);display:flex;gap:5px;align-items:center}.card-copy p{font-size:13px;line-height:1.8;color:var(--muted);margin:14px 0 22px;min-height:47px}.card-entry{margin-top:auto;display:flex;justify-content:space-between;align-items:center;color:var(--blue);font-size:13px;padding-top:16px;border-top:1px solid var(--line)}.card-entry svg{width:16px}.research-note{background:#0d3156;color:#fff;padding:65px max(5%,calc((100vw - 1296px)/2));display:grid;grid-template-columns:1fr 1.2fr;gap:70px;align-items:center}.research-note h2{font-size:34px;line-height:1.6}.research-note p{font-size:14px;color:#d2e1f0;max-width:42em}.research-note p+p{margin-top:14px}.institution-band{max-width:1440px;padding:75px 5%;margin:auto;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:90px;background:#fff}.institution-copy h2{font-size:27px;line-height:1.6}.institution-copy p{font-size:14px;color:var(--muted);margin-top:17px;max-width:35em}.institution-label{font-size:12px;color:var(--blue);display:inline-block;margin-top:22px}.institution-band>img{width:100%;height:auto;padding:10px 0}.app-footer{max-width:1296px;margin:auto;border-top:1px solid var(--line);padding:25px 0;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:11px}.app-footer details{max-width:500px}.app-footer summary{cursor:pointer;text-align:right}.app-footer details p{margin-top:10px}.app-footer a{text-decoration:underline;text-underline-offset:3px}
.module-intro{min-height:590px;padding:55px max(5%,calc((100vw - 1296px)/2));display:grid;grid-template-columns:1.15fr 1fr;gap:70px;align-items:center;background:var(--ice)}.tone-cyan{background:#edf6f8}.tone-slate{background:#eef1f5}.intro-copy h1{font-size:52px;margin:22px 0}.intro-copy h2{font-size:22px;line-height:1.8}.intro-copy>p{font-size:15px;color:var(--muted);margin:18px 0 27px;max-width:40em}.module-intro figure{background:#fff;padding:25px 30px 20px;box-shadow:0 18px 46px #12335312}.module-intro figure img{width:100%;height:330px;object-fit:contain}.module-intro figcaption{text-align:center;font-size:12px;margin-top:16px;color:var(--muted)}.intro-detail{max-width:1296px;margin:0 auto;padding:65px 0;display:grid;grid-template-columns:1fr 1.5fr;gap:50px;border-bottom:1px solid var(--line)}.intro-detail h2{font-size:27px}.intro-detail p{color:var(--muted);font-size:15px}.intro-detail ul{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:28px 0 0;padding-left:18px;font-size:14px}.workspace-heading{padding:25px 3%;display:flex;justify-content:space-between;gap:22px;align-items:center;background:#fff}.workspace-identity{display:flex;align-items:center;gap:18px}.workspace-identity img{height:58px;width:60px;object-fit:contain;background:var(--ice);padding:5px}.workspace-identity h1{font-size:24px;margin-top:5px}.workspace-identity p{font-size:12px;color:var(--muted);margin-top:4px}.workspace-toolbar{display:flex;gap:8px;flex-wrap:wrap}.workspace-toolbar .button{font-size:12px;padding:8px 13px;min-height:38px}.tool-tabs{display:flex;gap:8px;padding:12px 3%;border-block:1px solid var(--line);overflow-x:auto}.tool-tab{padding:11px 15px;white-space:nowrap;font-size:13px;color:var(--muted);border-radius:4px}.tool-tab.active{background:var(--blue);color:#fff}.tool-tab:hover{background:#e8f1fb;color:var(--blue)}.tool-description{padding:15px 3%;font-size:13px;color:var(--muted)}.native-panel{border-top:1px solid var(--line);background:var(--ice);min-height:650px}.native-iframe{width:100%;border:0;min-height:700px;display:block;background:#fff}.loading-panel,.offline-panel{min-height:500px;display:flex;justify-content:center;align-items:center;flex-direction:column;padding:40px;text-align:center;gap:20px}.offline-panel h2{font-size:24px}.offline-panel p{font-size:14px;color:var(--muted);max-width:700px;overflow-wrap:anywhere}.offline-icon{width:65px;height:65px;background:#e0ebf8;display:grid;place-items:center;border-radius:12px;color:var(--blue)}.offline-icon svg{width:27px;height:27px}.offline-actions{display:flex;gap:12px}.spinner{width:25px;height:25px;border:2px solid #c8d9ec;border-top-color:var(--blue);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.account-page{min-height:calc(100vh - 82px);display:grid;grid-template-columns:1.15fr 1fr}.account-story{background:var(--ice);position:relative;overflow:hidden;padding:60px 10%;min-height:660px}.account-story h1{font-size:44px;line-height:1.6;position:relative;z-index:1;margin-top:75px}.account-story p{position:relative;z-index:1;font-size:15px;color:var(--muted);margin-top:20px}.account-story img{position:absolute;bottom:0;left:0;width:100%;height:55%;object-fit:cover}.account-form-wrap{align-self:center;max-width:480px;width:100%;padding:55px 40px;margin:auto}.account-form-wrap h2{font-size:32px}.account-form-wrap>p{font-size:13px;color:var(--muted);margin:18px 0 30px}.account-form-wrap a{color:var(--blue)}.account-form-wrap label{display:grid;gap:10px;font-size:14px;margin-bottom:20px}.account-form-wrap input,.connection-field input,.connection-field select{border:1px solid #b7cbe0;border-radius:5px;padding:12px 13px;background:#fff;min-width:0;width:100%;color:var(--ink)}.account-form-wrap button{width:100%;margin-top:16px}.form-message{font-size:13px;line-height:1.8;color:var(--muted)}.chat-shell{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 82px)}.chat-sidebar{padding:30px 20px;background:var(--ice);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:25px}.chat-sidebar h2{font-family:inherit;font-size:12px;color:var(--muted);margin-top:25px}.chat-sidebar p{font-size:14px}.chat-sidebar .back-link{margin-top:auto}.chat-main{display:flex;flex-direction:column;max-width:1000px;width:100%;padding:55px 55px 30px;margin:auto;min-height:calc(100vh - 82px)}.chat-welcome{text-align:center;margin:auto 0 45px}.chat-welcome h1{font-size:36px}.chat-welcome>p{color:var(--muted);font-size:14px;margin:18px 0 32px}.question-examples{display:flex;gap:12px}.question-examples button{text-align:left;flex:1;border:1px solid var(--line);border-radius:12px;padding:18px;font-size:13px;line-height:1.8}.question-examples svg{display:block;margin-top:16px;color:var(--blue);width:17px}.question-examples button:hover{background:var(--ice)}#chat-form{border:1px solid #b7cbe0;border-radius:14px;padding:18px;background:#fff;margin-top:auto}#chat-input{border:0;outline:0;resize:vertical;width:100%;font-size:14px;min-height:85px;color:var(--ink)}#chat-form:focus-within{border-color:var(--blue)}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}.composer-bottom span{font-size:12px;color:var(--muted)}.composer-bottom button{min-height:40px;padding:8px 15px}.chat-messages p{font-size:14px;padding:15px;white-space:pre-wrap;margin-bottom:20px;overflow-wrap:anywhere}.user-message{background:var(--ice);border-radius:10px;margin-left:15%}.answer-message{border-bottom:1px solid var(--line)}
.connections-dialog{width:min(700px,calc(100% - 30px));max-height:88vh;padding:28px;border:0;border-radius:14px;color:var(--ink);box-shadow:0 30px 80px #12335330}.connections-dialog::backdrop{background:#12335375}.dialog-heading{display:flex;justify-content:space-between;align-items:center}.dialog-heading h2{font-size:26px}.dialog-intro{font-size:13px;color:var(--muted);margin:12px 0 25px}.connection-field{margin-bottom:18px}.connection-row{display:flex;justify-content:space-between;font-size:14px;margin-bottom:8px}.connection-row small{color:var(--muted);font-size:11px}.connection-input-row{display:grid;grid-template-columns:1fr 130px;gap:10px}.connection-input-row input,.connection-input-row select{font-size:13px}.dialog-footer{display:flex;justify-content:flex-end;gap:12px;margin-top:25px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#123353;color:#fff;padding:14px 24px;border-radius:8px;z-index:100;font-size:14px;max-width:90vw}
@media(max-width:1200px){#navigation{gap:17px}.app-header{gap:18px}.hero-inner{gap:15px;padding-inline:4%}.module-grid{gap:16px}.module-art{height:180px}.card-heading h3{font-size:19px}.app-footer,.intro-detail{margin-inline:5%}.institution-band{gap:45px}}
@media(max-width:1080px){.mobile-only{display:grid}.sidebar{position:fixed;right:0;top:0;bottom:0;width:300px;max-width:88vw;background:#fff;z-index:50;padding:90px 28px 28px;transform:translateX(100%);transition:transform .25s}.sidebar.open{transform:translateX(0)}#navigation{display:flex;flex-direction:column;align-items:stretch;gap:12px}.nav-item{font-size:16px;min-height:47px}.nav-item svg{display:block;margin-right:15px}.nav-item.active:after{display:none}.nav-item.active{background:var(--ice);border-radius:5px;padding-inline:10px}.sidebar-bottom{display:block;margin-top:30px}.sidebar-scrim{position:fixed;inset:0;background:#12335370;z-index:39}.header-actions{gap:12px}.hero-text h1{font-size:48px}.hero-text>p{font-size:14px}.hero-inner{min-height:600px}.module-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 24px}.module-art{height:220px}.module-intro{gap:35px}.metric strong{font-size:29px}.metric{padding-inline:20px}.institution-copy h2{font-size:24px}}
@media(max-width:760px){.app-header{height:70px;padding:0 20px;gap:12px}.brand strong{font-size:19px}.brand small{font-size:9px}.brand img{width:30px;height:30px}.header-actions{gap:10px}.header-actions .register-link{display:none}.hero-inner{grid-template-columns:1fr;gap:20px;padding:42px 24px 36px}.blue-hero{background-position:center}.hero-text h1{font-size:43px;line-height:1.4}.hero-text>p{font-size:14px;max-width:28em;margin-top:18px}.hero-actions{gap:10px;margin-top:25px}.hero-actions .button{padding:12px 17px;font-size:13px}.hero-caption{margin-top:23px;padding-top:13px;gap:8px 18px}.artifact{padding:9px}.metrics-inner{grid-template-columns:repeat(3,1fr);padding:0 24px}.metric{padding:25px 12px 15px;border-right:0}.metric:first-child{padding-left:12px}.metric strong{font-size:27px}.metric span{font-size:11px}.metric:nth-child(n+4){border-top:1px solid #ffffff26;padding-top:15px}.metrics-band>p{padding:9px 36px 19px;font-size:10px}.research-tools{padding:55px 24px}.section-heading{display:block;margin-bottom:28px}.section-heading h2{font-size:28px}.section-heading p{font-size:13px}.search-box{margin-top:23px;max-width:100%}.search-box input{width:100%}.module-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 20px}.module-art{height:185px}.module-art img{padding:12px}.card-copy{padding-top:15px}.card-heading h3{font-size:19px}.card-copy p{font-size:12px;min-height:44px;margin:12px 0 15px}.card-entry{font-size:12px}.research-note{grid-template-columns:1fr;padding:40px 24px;gap:24px}.research-note h2{font-size:29px}.research-note p{font-size:13px}.institution-band{grid-template-columns:1fr;padding:45px 24px;gap:27px}.institution-copy h2{font-size:24px}.institution-copy p{font-size:13px}.institution-band>img{max-width:520px;margin:auto}.app-footer{padding:22px 0;margin:0 24px;font-size:10px;align-items:start;gap:20px}.app-footer>span{white-space:nowrap}.module-intro{grid-template-columns:1fr;padding:32px 24px 38px;gap:35px}.intro-copy h1{font-size:38px;margin:22px 0 14px}.intro-copy h2{font-size:21px}.intro-copy>p{font-size:14px}.module-intro figure{padding:20px}.module-intro figure img{height:290px}.intro-detail{grid-template-columns:1fr;gap:20px;padding:36px 0;margin:0 24px}.intro-detail h2{font-size:24px}.intro-detail p{font-size:14px}.intro-detail ul{font-size:13px;gap:18px}.workspace-heading{display:block;padding:20px}.workspace-identity img{width:48px;height:48px}.workspace-identity h1{font-size:23px}.workspace-identity p{font-size:12px}.workspace-toolbar{margin-top:18px}.workspace-toolbar .button{font-size:11px;padding:8px 10px}.native-panel{min-height:500px}.offline-panel,.loading-panel{padding:35px 24px;min-height:480px}.tool-tabs{padding:10px 20px}.tool-description{padding:14px 20px}.account-page{grid-template-columns:1fr}.account-story{min-height:260px;padding:28px 24px}.account-story h1{font-size:28px;margin-top:20px}.account-story p{font-size:13px}.account-story img{width:55%;height:100%;left:auto;right:0}.account-story .back-link{position:relative;z-index:2}.account-form-wrap{padding:36px 24px}.account-form-wrap h2{font-size:29px}.chat-shell{display:block;min-height:calc(100vh - 70px)}.chat-sidebar{padding:12px 20px;flex-direction:row;justify-content:space-between;align-items:center;border-right:0;border-bottom:1px solid var(--line);gap:12px}.chat-sidebar h2,.chat-sidebar p{display:none}.chat-sidebar .back-link{margin:0}.chat-sidebar .button{min-height:38px;font-size:12px;padding:8px 12px}.chat-main{padding:35px 20px 20px;min-height:calc(100vh - 135px)}.chat-welcome h1{font-size:29px}.chat-welcome{margin:0 0 36px}.question-examples{flex-direction:column;gap:9px}.question-examples button{display:flex;align-items:center;justify-content:space-between;padding:13px;font-size:12px}.question-examples svg{margin:0;width:16px}.composer-bottom span{font-size:10px}.composer-bottom button{font-size:12px;padding:8px 10px}#chat-form{padding:14px}.connection-input-row{grid-template-columns:1fr}.connections-dialog{padding:22px}.dialog-footer .button{padding:10px 15px}}
@media(max-width:380px){.app-header{padding-inline:14px}.brand{gap:7px}.header-actions{gap:6px}.hero-inner{padding-inline:20px}.hero-text h1{font-size:38px}.hero-actions .button{padding:12px;font-size:12px}.module-art{height:154px}.module-grid{gap:28px 15px}.card-heading h3{font-size:18px}.metric strong{font-size:25px}.research-tools{padding-inline:20px}.section-heading h2{font-size:25px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Optional atmosphere remains confined to the hero. */
.blue-hero{position:relative}.hero-inner{position:relative;z-index:1}.hero-caption button{font-size:11px;padding:0 4px;color:#355a80;text-decoration:underline;text-underline-offset:4px}.hero-caption button[aria-pressed=true]{color:#003f88;font-weight:700}.app-footer{padding-inline:3%}@media(max-width:760px){.app-footer{padding-inline:0}.blue-hero{background-image:linear-gradient(#ffffffb8,transparent 50%),url("data/assets/heritagemind-landscape.png")}}.continuous-intro{scroll-margin-top:82px;min-height:680px;padding-block:80px}.continuous-intro:nth-of-type(even){background:#fff}.continuous-intro .intro-copy h2{font-size:42px;margin-bottom:20px;line-height:1.4}.continuous-intro .intro-copy h3{font-size:22px;line-height:1.7;font-weight:500}.intro-capabilities{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;margin:0 0 30px;padding-left:18px;font-size:13px;color:var(--muted)}.continuous-intro figure{box-shadow:none;background:transparent;padding:24px}.continuous-intro figure img{height:380px}.continuous-intro:nth-of-type(even) figure{order:-1}.continuous-intro:nth-of-type(even){grid-template-columns:1fr 1.15fr}.artifact{width:66%;top:90px;left:19%;right:auto;transform-origin:50% 80%;transition:transform .75s cubic-bezier(.16,1,.3,1),box-shadow .75s;}
/* Workbenches use the same blue actions and white working canvas. */
.creative-workspace{max-width:1440px;margin:auto;padding:35px 5% 60px}.creative-heading{display:flex;justify-content:space-between;align-items:center;gap:24px}.creative-heading h1{font-size:30px;margin:12px 0 8px}.creative-heading p{font-size:14px;color:var(--muted)}.creative-tabs{display:flex;gap:32px;border-bottom:1px solid var(--line);margin-top:30px}.creative-tabs button{padding:18px 0;border-bottom:2px solid transparent;font-size:15px;color:var(--muted)}.creative-tabs [aria-selected=true]{color:var(--blue);border-bottom-color:var(--blue)}.example-pair{display:grid;grid-template-columns:1.1fr 1fr 1fr;align-items:center;gap:36px;padding:28px 32px;background:var(--ice);margin:28px 0 36px}.example-pair h2,.transfer-grid h2{font-size:19px}.example-copy p{font-size:14px;color:var(--muted);margin-top:12px}.example-controls{display:flex;gap:12px;align-items:center;margin:10px 0;font-size:13px;font-variant-numeric:tabular-nums}.example-pair figure{margin:0;text-align:center;min-width:0}.example-pair img{height:145px;width:100%;object-fit:contain}.example-pair figcaption{font-size:12px;color:var(--muted);margin-top:10px}.example-copy .button{min-height:40px;padding:8px 18px;font-size:13px}.transfer-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:38px}.transfer-inputs{display:grid;grid-template-columns:1fr 1fr;gap:22px}.upload-field{display:grid;gap:12px;font-size:12px;color:var(--muted);margin:18px 0 12px;min-width:0}.upload-field input{width:100%;min-width:0;font-size:12px;color:var(--muted)}input[type=file]::file-selector-button{border:1px solid var(--line);background:#fff;color:var(--blue);padding:10px 12px;margin-right:8px;border-radius:4px;cursor:pointer}.input-preview{background:var(--ice);min-height:230px;display:grid;place-items:center}.input-preview:has(img[hidden]):after{content:'等待选择图片';font-size:12px;color:var(--muted)}.input-preview img{max-width:100%;height:230px;object-fit:contain}.output-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.output-heading .button{padding:10px 14px;min-height:42px;font-size:13px}.result-preview{background:var(--ice);margin-top:18px;min-height:290px;display:grid;place-items:center;padding:24px}.result-preview img{width:100%;max-height:380px;object-fit:contain}.result-preview p{font-size:13px;color:var(--muted);text-align:center}.transfer-output>.form-message{margin-top:14px}.text-settings{display:grid;gap:14px;padding:28px 0;font-size:14px}.text-settings select{max-width:350px;background:#fff;border:1px solid var(--field-line,#b7cbe0);padding:12px;color:var(--ink);border-radius:5px}.text-settings fieldset{border:0;padding:0;margin:10px 0 0}.text-settings legend{margin-bottom:12px;font-size:13px;color:var(--muted)}#text-variants{display:flex;gap:10px;flex-wrap:wrap}#text-variants button{padding:10px 16px;border:1px solid var(--line);border-radius:4px;font-size:13px}#text-variants [aria-pressed=true]{background:var(--blue);color:#fff;border-color:var(--blue)}.text-columns{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:24px}.text-columns label{display:grid;gap:12px;font-size:14px}.text-columns textarea{width:100%;resize:vertical;border:1px solid #b7cbe0;border-radius:6px;background:#fff;padding:18px;font-size:14px;line-height:1.9;color:var(--ink)}.text-columns textarea[readonly]{background:var(--ice)}#text-notice{margin-top:14px}
.research-chat{grid-template-columns:280px minmax(0,1fr)}.research-chat .chat-sidebar{gap:22px;padding:28px 22px}.chat-sidebar fieldset{border:0;margin:0;padding:0;display:grid;gap:16px}.chat-sidebar legend{font-size:15px;font-weight:600;margin-bottom:20px}.chat-sidebar fieldset label{font-size:13px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.chat-sidebar small{font-size:11px;color:var(--muted)}.chat-sidebar input[type=checkbox]{accent-color:var(--blue);width:16px;height:16px}.kb-actions{display:grid;gap:9px}.research-chat .chat-sidebar .button{width:100%;min-height:42px;font-size:12px;padding:10px 12px;justify-content:flex-start}.research-chat .chat-sidebar .back-link{margin-top:0}.temporary-files{border-top:1px solid var(--line);padding-top:22px}.research-chat .chat-sidebar h2{margin:0 0 12px;font-size:14px;color:var(--ink)}.research-chat .chat-sidebar p{font-size:12px;display:block}.temporary-files ul{font-size:12px;padding-left:18px;overflow-wrap:anywhere;margin-bottom:14px}.research-chat .chat-main{padding:35px 5%;min-width:0}.chat-title h1{font-size:27px}.chat-title p{font-size:12px;color:var(--muted);margin-top:12px}.research-chat .chat-welcome{margin:65px 0 40px}.chat-welcome h2{font-size:29px}.chat-attachment{display:flex;gap:15px;align-items:center;border-top:1px solid var(--line);margin-top:8px;padding-bottom:16px}.chat-attachment img{width:62px;height:62px;object-fit:contain}.chat-attachment .upload-field{flex:1}.text-button{font-size:12px;color:var(--blue);text-decoration:underline;text-underline-offset:3px}#chat-form>label{font-size:13px;display:block;margin-bottom:10px}.research-chat .composer-bottom{padding-top:10px}button:disabled{opacity:.55;cursor:not-allowed}textarea,input,select{caret-color:var(--blue)}[hidden]{display:none!important}
@media(max-width:1080px){.transfer-grid{grid-template-columns:1fr}.research-chat{grid-template-columns:255px minmax(0,1fr)}.research-chat .question-examples{flex-direction:column}.research-chat .question-examples button{padding:12px;display:flex;justify-content:space-between;align-items:center}.research-chat .question-examples svg{margin:0}.continuous-intro .intro-copy h2{font-size:34px}}
@media(max-width:760px){.continuous-intro,.continuous-intro:nth-of-type(even){grid-template-columns:1fr;min-height:0;scroll-margin-top:70px;padding:50px 24px;gap:25px}.continuous-intro:nth-of-type(even) figure{order:initial}.continuous-intro .intro-copy h2{font-size:31px;margin-bottom:14px}.continuous-intro .intro-copy h3{font-size:20px}.continuous-intro figure{padding:10px}.continuous-intro figure img{height:290px}.intro-capabilities{font-size:12px;gap:12px 20px}.artifact{width:65%;left:17%;top:65px}.creative-workspace{padding:25px 20px 45px}.creative-heading{align-items:start}.creative-heading h1{font-size:27px}.creative-heading>.back-link{font-size:11px;max-width:95px;margin-top:5px}.creative-heading p{font-size:12px}.creative-tabs{gap:25px;margin-top:20px}.creative-tabs button{font-size:14px}.example-pair{grid-template-columns:1fr 1fr;padding:20px;gap:20px;margin:22px 0 28px}.example-copy{grid-column:1/-1;display:grid;grid-template-columns:1fr auto;gap:8px 16px;align-items:center}.example-copy p{margin:0;grid-column:1/-1;grid-row:2}.example-controls{margin:0}.example-copy .button{grid-column:1/-1;justify-self:start;margin-top:6px}.example-pair img{height:125px}.transfer-grid{gap:30px}.transfer-inputs{gap:16px}.transfer-grid h2{font-size:18px}.upload-field{font-size:11px}.input-preview,.input-preview img{min-height:170px;height:170px}.result-preview{min-height:250px}.text-columns{grid-template-columns:1fr;gap:22px}.research-chat{display:block}.research-chat .chat-sidebar{display:grid;grid-template-columns:1fr;gap:18px;padding:22px}.research-chat .chat-sidebar>.back-link{justify-self:start}.research-chat .chat-sidebar fieldset{grid-template-columns:1fr 1fr;gap:14px}.research-chat .chat-sidebar legend{margin-bottom:14px}.kb-actions{grid-template-columns:1fr 1fr}.kb-actions button:first-child{grid-column:1/-1}.research-chat .chat-sidebar h2{display:block}.temporary-files{padding-top:18px}.research-chat .chat-main{padding:28px 20px;min-height:650px}.chat-title h1{font-size:25px}.research-chat .chat-welcome{margin:40px 0 30px}.chat-welcome h2{font-size:25px}.chat-attachment{flex-wrap:wrap}.chat-attachment .upload-field{min-width:160px}.chat-attachment img{width:48px;height:48px}.composer-bottom{flex-wrap:wrap}.output-heading{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.artifact{transition:none}}
.knowledge-controls>summary{cursor:pointer;font-size:14px;font-weight:600;padding:6px 0;display:none}
.knowledge-controls>fieldset,.knowledge-controls>.kb-actions,.knowledge-controls>.temporary-files,.knowledge-controls>button,.knowledge-controls>p{margin-bottom:22px}
@media(max-width:760px){.knowledge-controls>summary{display:list-item}.knowledge-controls[open]>summary{margin-bottom:20px}.knowledge-controls>p{margin-bottom:0}.research-chat .chat-sidebar{gap:12px}.research-chat .chat-welcome{margin-top:32px}}