:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:#f2f9ff;background:#0345b4;color-scheme:dark;font-synthesis:none;--line:#a0dfff66;--glass:#05378488;--soft:#d5edff;--ink:#07398c}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{height:100dvh;display:flex;flex-direction:column;background:radial-gradient(ellipse at 20% 75%,#3dbeff88,transparent 48%),radial-gradient(ellipse at 90% 5%,#082668,transparent 65%),linear-gradient(135deg,#005fe5,#0343b5 55%,#02286f)}button,a,input{font:inherit;-webkit-tap-highlight-color:transparent}button{cursor:pointer;touch-action:manipulation;border:1px solid var(--line);border-radius:12px;color:inherit;background:#ffffff10;padding:10px 16px;transition:background .16s,transform .16s;min-height:46px}button:hover{background:#ffffff23}button:active{transform:scale(.98)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #aaf4ff;outline-offset:3px}button:disabled{opacity:.35;cursor:default}button[hidden]{display:none!important}header{flex:0 0 64px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 3.5%;border-bottom:1px solid #d4edff33;background:#012e7022}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:white;font-size:36px}.brand>span{font-size:22px;font-weight:700;letter-spacing:3px}.brand-sub{display:block;font-size:8px;font-weight:400;letter-spacing:2px;margin-top:3px;color:#bde2ff}.header-caption{font-size:14px;color:#c9e6ff;letter-spacing:1px}.header-right{display:flex;gap:10px;align-items:center}#settings-button{font-size:23px;min-width:48px;padding:4px 12px}#home-button{font-size:14px;background:#d6edff;color:var(--ink)}.home #home-button{display:none}main{flex:1;min-height:0;width:100%;max-width:1800px;align-self:center;padding:14px 3.5% 6px;display:grid;grid-template-rows:minmax(0,1fr) 58px 72px 16px;gap:10px}.home main{grid-template-rows:minmax(0,1fr) 72px 16px}.home #presentation,.home .conversation{display:none}#welcome{display:none}.home #welcome{display:grid;grid-template-columns:24% minmax(0,1fr) 25%;grid-template-rows:auto minmax(0,1fr);gap:14px 22px;min-height:0}.welcome-heading{grid-column:1/-1;text-align:center}.welcome-heading h1{font-size:clamp(28px,3vw,46px);margin:0 0 7px;line-height:1.2}.welcome-heading p{margin:0;font-size:clamp(15px,1.4vw,21px);color:#d9eeff}.welcome-person{min-height:0;position:relative;align-self:stretch}#welcome-avatar,#welcome-avatar .avatar-stage,#welcome-avatar .portrait-rig{height:100%;width:100%}.portrait-stage{position:relative;isolation:isolate;min-height:0;--voice-level:0}.portrait-rig{position:relative;z-index:1;animation:portrait-breath 7s ease-in-out infinite;transform-origin:center bottom;height:100%}.presenter-portrait{display:block;width:100%;height:100%;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 10px 20px 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#99deff55;background:#04378477;border-radius:12px}.conversation-title{font-size:15px;white-space:nowrap}.suggestions{display:flex;gap:12px;flex:1;min-width:0}.suggestions button{background:#d2eaff;color:#064190;border-color:#f0faff;min-height:40px;font-size:14px;padding:8px 16px;flex:1;text-align:left;line-height:1.2}#subtitle-bar{display:flex;align-items:center;gap:15px;min-height:0;border:1px solid #8fdcff88;border-radius:16px;background:#06358b88;padding:10px 18px;box-shadow:0 0 25px #44b3ff22}.subtitle-icon{font-size:20px;color:#d0f7ff;white-space:nowrap;letter-spacing:2px}#current-subtitle{flex:1;min-width:0;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;margin:0;font-size:clamp(14px,1.15vw,18px);line-height:1.5}#subtitle-bar button{font-size:14px;white-space:nowrap;min-height:44px;padding:8px 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#fullscreen,#settings-done{display:block;width:100%;min-height:54px;margin-top:15px}#settings-done,#detail-speak,#connect-voice{background:#d6edff;color:#06439e;font-size:18px}.ai-state{display:block;color:#bde3ff;font-size:12px;text-align:center;margin-top:20px}#voice-transcript{font-size:18px;line-height:1.7;min-height:65px;margin:15px 0}.voice-sheet form{display:flex;gap:10px;padding:10px;border:1px solid #9fdfff77;border-radius:12px;margin-top:18px;background:#06397b}.voice-sheet input{flex:1;min-width:0;background:transparent;border:0;font-size:17px;padding:8px;color:#fff}.voice-sheet input::placeholder{color:#b5d4f2}.voice-sheet #end-voice{width:100%;margin-top:15px;min-height:50px}#caption-full{line-height:1.9}html[lang=en] .welcome-topics strong{font-size:clamp(17px,1.45vw,24px)}html[lang=en] .topic-symbol{flex-basis:44px;height:44px;font-size:27px}html[lang=en] .welcome-topics small{font-size:clamp(12px,1.02vw,16px)}html[lang=en] .greeting{font-size:14px}html[lang=en] #chapter-label{display:none}@keyframes portrait-breath{50%{transform:translateY(-2px) scale(1.005)}}@keyframes presenter-wave{to{transform:scaleY(.35)}}
@media(max-height:800px){header{flex-basis:54px}main{padding-top:10px;gap:8px;grid-template-rows:minmax(0,1fr) 50px 64px 14px}.home main{grid-template-rows:minmax(0,1fr) 64px 14px}.welcome-heading h1{font-size:31px}.welcome-heading p{font-size:16px}.home #welcome{gap:12px 18px}.welcome-topics{gap:10px;grid-template-rows:repeat(3,minmax(0,1fr)) 46px}.welcome-topics button[data-start]{padding:10px 13px;gap:12px}.topic-symbol{flex-basis:44px;height:44px;font-size:27px}.welcome-topics strong{font-size:21px}.welcome-topics small{font-size:14px;margin-top:4px}.welcome-questions{padding:13px;gap:8px;grid-template-rows:auto repeat(4,minmax(0,1fr)) auto 46px}.welcome-questions>button:not(.voice-action){font-size:15px;padding:8px 13px}.touch-cue{font-size:11px}.workspace{gap:14px}.expert{padding:10px;gap:6px}.expert-info h2{font-size:17px}#topics{gap:5px}#topics button{min-height:33px;font-size:13px}.expert>.voice-action{min-height:38px;font-size:14px}.deck-top{padding:9px 18px;font-size:9px}.deck-bottom{padding:8px 12px}.deck-bottom button{min-height:40px;font-size:14px}#slide{padding:12px 22px;gap:8px}#slide h2{font-size:32px}#slide h2.wide{font-size:29px}#slide .description{font-size:14px;line-height:1.5}.card{gap:5px;padding:11px}.card h3{font-size:18px}.card p{font-size:13px}.card-icon{font-size:22px}.explore-hint{font-size:10px}.conversation{gap:15px;padding:6px 14px}.suggestions button{min-height:36px;font-size:13px}.conversation-title{font-size:14px}#subtitle-bar{padding:8px 15px}.exhibit-note{font-size:9px;line-height:14px}}
@media(max-width:1100px){.header-caption{font-size:12px}.home #welcome{grid-template-columns:21% minmax(0,1fr) 26%;gap:12px}.topic-symbol{display:none!important}.welcome-topics strong{font-size:20px}.welcome-topics small{font-size:13px}.welcome-topics button[data-start]{gap:10px;padding:12px}.topic-number{font-size:20px}.topic-arrow{font-size:26px}.greeting{font-size:13px;padding:9px}.welcome-questions h2{font-size:15px}.welcome-questions>button:not(.voice-action){font-size:14px}.welcome-questions{padding:12px;gap:8px}.voice-action{font-size:15px}.workspace{grid-template-columns:22% minmax(0,1fr)}.deck-bottom{justify-content:center}#chapter-label{display:none}.card h3{font-size:17px}.card p{font-size:13px}#slide .description{font-size:13px}#slide h2.wide{font-size:26px}.network{opacity:.5}.metric strong{font-size:17px}.metric span{font-size:12px}.conversation-title{display:none}.subtitle-icon{display:none}#current-subtitle{font-size:14px}}
@media(max-width:700px){header{flex-basis:52px;padding:0 15px}.brand{font-size:27px}.brand>span{font-size:19px}.brand-sub{font-size:6px}.header-caption{display:none}.header-right{gap:6px}#home-button{font-size:12px;min-height:40px;padding:8px}#settings-button{min-height:40px;min-width:42px;font-size:21px}main{padding:10px 12px 5px;gap:8px;grid-template-rows:minmax(0,1fr) 60px 68px 14px}.home main{grid-template-rows:minmax(0,1fr) 68px 14px}.home #welcome{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr) auto;gap:10px}.welcome-heading{grid-column:1}.welcome-heading h1{font-size:25px}.welcome-heading p{font-size:13px;margin-top:4px}.welcome-person{display:none}.welcome-topics{grid-template-rows:repeat(3,minmax(0,1fr)) 42px;gap:8px}.welcome-topics button[data-start]{padding:8px 12px;gap:12px;border-radius:12px}.welcome-topics strong,html[lang=en] .welcome-topics strong{font-size:17px}.welcome-topics small,html[lang=en] .welcome-topics small{font-size:11px;line-height:1.3;margin-top:3px}.topic-number{font-size:18px;padding:5px;align-self:center}.topic-arrow{font-size:26px}#start-tour{font-size:15px;min-height:0;padding:6px}.welcome-questions{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:40px 40px 42px;gap:6px;padding:8px;border-radius:12px}.welcome-questions h2,.touch-cue{display:none}.welcome-questions>button:not(.voice-action){font-size:12px;line-height:1.2;border-radius:13px;padding:6px 10px}.welcome-questions .voice-action{grid-column:1/-1;min-height:0;font-size:15px}.workspace{grid-template-columns:1fr}.expert{display:none}#presentation{grid-template-rows:28px minmax(0,1fr);gap:8px}.intro h1{font-size:18px}.deck-top{font-size:8px;letter-spacing:.8px;padding:9px 12px}.deck-bottom{padding:9px}.deck-bottom>div{gap:7px;width:100%;justify-content:space-between}.deck-bottom button{min-height:42px;font-size:12px;padding:8px 10px}#play{min-width:120px}#slide{padding:15px;gap:10px}#slide h2,#slide h2.wide{font-size:27px;max-width:100%}#slide .description{max-width:100%;font-size:13px}.network{width:65%;opacity:.25}.cards{gap:7px}.card{padding:10px 7px;gap:7px}.card-icon{font-size:24px}.card h3{font-size:15px;line-height:1.25}.card p{font-size:12px;line-height:1.5}.explore-hint{font-size:9px}.metrics{gap:10px}.metric{padding-left:8px}.metric strong{font-size:14px}.metric span{font-size:11px}.slide-disclaimer{font-size:8px}.conversation{padding:7px}.suggestions{gap:7px}.suggestions button{font-size:12px;min-height:42px;padding:7px 10px;line-height:1.3}#subtitle-bar{gap:8px;padding:8px 10px;border-radius:12px}#current-subtitle{font-size:12px;line-height:1.5}#subtitle-bar button{font-size:12px;min-height:40px;padding:7px 8px}.exhibit-note{font-size:8px}dialog{padding:28px 20px;border-radius:16px}dialog h2{font-size:24px}dialog p{font-size:16px}.language-options button{min-height:60px}.voice-sheet input{font-size:15px}.voice-sheet form{padding:7px;gap:5px}.voice-sheet form button{padding:7px 10px}}
@media(max-height:640px) and (min-width:701px){header{flex-basis:46px}.brand{font-size:27px}.brand>span{font-size:19px}.header-right button{min-height:36px}main{grid-template-rows:minmax(0,1fr) 42px 54px 12px;gap:6px;padding-top:8px}.home main{grid-template-rows:minmax(0,1fr) 54px 12px}.welcome-heading h1{font-size:25px}.welcome-heading p{font-size:13px}.welcome-topics strong{font-size:18px}.welcome-topics small{font-size:12px}.welcome-topics{grid-template-rows:repeat(3,minmax(0,1fr)) 38px;gap:7px}.topic-symbol{display:none}.welcome-questions{grid-template-rows:auto repeat(4,minmax(0,1fr)) 38px;gap:6px;padding:10px}.touch-cue{display:none}.welcome-questions>button:not(.voice-action){font-size:13px;padding:5px 10px}.welcome-questions h2{font-size:14px}.voice-action{font-size:13px;min-height:0}.greeting{font-size:12px;bottom:17px;padding:7px}#presentation{grid-template-rows:26px minmax(0,1fr);gap:6px}.intro h1{font-size:19px}.expert-info{display:none}.expert{grid-template-rows:auto minmax(0,1fr) auto auto}#topics{flex-direction:row}#topics button{font-size:10px;flex:1;min-width:0;padding:5px}.deck-top{padding:7px 12px}.deck-bottom{padding:6px 10px}.deck-bottom button{min-height:36px;font-size:12px}#slide{gap:6px;padding:10px 16px}#slide h2,#slide h2.wide{font-size:25px}#slide .description{font-size:12px}.card{padding:8px;gap:4px}.card h3{font-size:16px}.card p{font-size:11px}.card-icon{font-size:20px}.slide-disclaimer{font-size:8px}.explore-hint{font-size:9px}#subtitle-bar button{min-height:36px;font-size:12px}#current-subtitle{font-size:13px}.exhibit-note{font-size:8px;line-height:12px}.conversation button{min-height:32px;font-size:12px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}

/* Keep touch controls legible; reveal full descriptions in the existing dialog. */
#topics button,.expert>.voice-action{min-height:44px}#settings-button,#home-button{min-height:44px}html[lang=en] .card h3{hyphens:auto;overflow-wrap:anywhere}html[lang=en] .welcome-questions button{hyphens:auto}#caption-dialog,#detail-dialog{overscroll-behavior:contain}#settings-dialog{max-width:440px}.language-options button{min-height:64px}#settings-dialog #fullscreen{margin-top:18px}.deck-bottom button{min-height:44px!important}.suggestions button{min-height:44px}.expert-heading{line-height:1.4}.welcome-questions button{min-height:44px!important}
@media(max-height:680px){.card p{display:none}.card{justify-content:center;gap:8px}.card .explore-hint{margin-top:5px}.card h3{font-size:clamp(14px,1.35vw,20px)}.card-icon{font-size:22px}.welcome-topics small{font-size:12px}.welcome-topics button[data-start]{padding:8px 12px}.welcome-heading p{font-size:13px}.human-badge{display:none}.greeting{bottom:10px}.deck-bottom{padding:6px 10px}.deck-top{padding:6px 12px}.conversation{padding:0;border:0;background:transparent}.suggestions{height:100%}.suggestions button{min-height:0;height:100%;padding:6px 12px}#topics{flex-direction:row;gap:4px}#topics button{flex:1;min-width:0;font-size:10px;padding:6px 3px}.expert-info{display:none}.expert{grid-template-rows:auto minmax(0,1fr) auto auto}#slide{gap:6px}.slide-disclaimer{font-size:8px}#subtitle-bar{padding:6px 12px}.welcome-questions{grid-template-rows:auto repeat(4,minmax(44px,1fr)) 44px}.welcome-questions .touch-cue{display:none}.welcome-questions .voice-action{min-height:44px}html[lang=en] #slide h2.wide{font-size:24px}}
@media(max-width:700px) and (max-height:680px){.welcome-questions{grid-template-rows:44px 44px 44px}.welcome-topics{grid-template-rows:repeat(3,minmax(0,1fr)) 44px}.welcome-heading h1{font-size:22px}.welcome-heading p{display:none}.welcome-topics small{display:none}.welcome-topics strong,html[lang=en] .welcome-topics strong{font-size:15px}.topic-number{font-size:16px}html[lang=en] .card h3{font-size:13px}.card .explore-hint{display:none}#slide h2,#slide h2.wide{font-size:23px}.card-icon{font-size:20px}.intro h1{font-size:16px}#slide .description{font-size:12px}}
@media(max-width:700px){.card p{display:none}}
@media(max-width:700px) and (max-height:740px){#slide .description.wide{display:none}#slide h2,#slide h2.wide{font-size:24px}}

#presenter-preview{width:100%;margin-top:15px;background:#d4edff;color:#06439e;min-height:54px}.presenter-video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center bottom;opacity:0;pointer-events:none;background:#0345b4;mask-image:linear-gradient(to right,transparent,#000 7%,#000 93%,transparent)}.presenter-video.clip-playing{opacity:1}.presenter-preview-dialog{max-width:520px;text-align:center}.presenter-preview-dialog video{display:block;width:auto;max-width:100%;height:min(57dvh,540px);margin:auto;background:#0345b4;border-radius:12px}.presenter-preview-dialog p{font-size:13px;line-height:1.6;color:#b9deff}

#overview-preview{width:100%;margin-top:15px;background:#d4edff;color:#06439e;min-height:54px}#preview-subtitle{font-size:15px;color:#f0faff;line-height:1.6;min-height:30px;max-height:80px;overflow:auto}.presenter-preview-dialog video{height:min(51dvh,500px)}

.portrait-stage[role=button]{cursor:pointer;touch-action:manipulation;border-radius:14px}.portrait-stage[role=button]:focus-visible{outline:3px solid #b4f3ff;outline-offset:2px}.portrait-fullscreen-hint{position:absolute;left:50%;bottom:4px;transform:translateX(-50%);z-index:6;white-space:nowrap;font-size:12px;padding:8px 12px;border:1px solid #b9eaff77;border-radius:25px;background:#06458abf;color:#e9faff;pointer-events:none}.portrait-stage .human-badge{display:none}.presenter-preview-dialog.fullscreen-player,.presenter-preview-dialog:fullscreen{position:fixed;inset:0;margin:0;width:100vw;height:100dvh;max-width:none;max-height:none;border:0;border-radius:0;padding:20px 6%;display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;gap:10px;overflow:hidden;background:radial-gradient(ellipse at center,#0759bc,#031e53)}.fullscreen-player h2{font-size:clamp(20px,2vw,32px);text-align:center;margin:0;padding:10px 50px}.presenter-preview-dialog.fullscreen-player video{height:100%;width:100%;min-height:0;object-fit:contain;background:transparent}.fullscreen-player #preview-subtitle{font-size:clamp(18px,1.8vw,28px);line-height:1.6;max-height:110px;margin:0 auto;width:min(1100px,100%);padding:12px 20px;background:#ffffff0b;border-radius:12px}.fullscreen-player .dialog-close{z-index:5;position:fixed;top:16px;right:20px;background:#ffffff18;border:1px solid #b8e7ff77;min-width:56px;min-height:56px;font-size:32px}.fullscreen-player p:last-child{margin:0;font-size:12px;color:#9dc5eb}@media(max-width:700px){.portrait-fullscreen-hint{font-size:10px;padding:6px 9px}.presenter-preview-dialog.fullscreen-player{padding:14px}.fullscreen-player #preview-subtitle{font-size:16px;max-height:100px}.fullscreen-player h2{font-size:20px}.fullscreen-player .dialog-close{top:10px;right:10px;min-width:46px;min-height:46px}}
/* Persistent, one-touch voice station on the right. */
main,.home main{grid-template-columns:minmax(0,1fr) minmax(260px,29%);column-gap:22px}
#welcome,#presentation{grid-column:1;grid-row:1}.home #welcome{grid-template-columns:32% minmax(0,1fr)}
.conversation{grid-column:1;grid-row:2}#subtitle-bar{grid-column:1/-1;grid-row:3}.exhibit-note{grid-column:1/-1;grid-row:4}
.home #subtitle-bar{grid-row:2}.home .exhibit-note{grid-row:3}
.welcome-questions.realtime-panel{grid-column:2;grid-row:1/3;display:flex;flex-direction:column;align-items:stretch;gap:12px;min-height:0;padding:24px 20px;background:radial-gradient(ellipse at 50% 25%,#1aa2dc99,transparent 65%),linear-gradient(160deg,#0759bd,#03255e);border:2px solid #72efff;border-radius:24px;box-shadow:0 0 36px #48dcff44,inset 0 0 30px #7ae8ff16}
.home .welcome-questions.realtime-panel{grid-row:1}.realtime-heading{text-align:center}.live-badge{color:#94ffe5;font-size:11px;font-weight:700;letter-spacing:3px}.realtime-panel h2{font-size:clamp(23px,2.2vw,34px);font-weight:700;margin:12px 0 8px}.realtime-heading p{margin:0;color:#d0edff;font-size:14px;line-height:1.5}.voice-orbit{align-self:center;display:grid;place-items:center;width:100px;height:100px;flex-shrink:0;border:1px solid #96f6ff88;border-radius:50%;font-size:66px;color:#b1fff1;background:#30cbe926;box-shadow:0 0 0 12px #68eaff0c,0 0 40px #51eaff33;margin:14px 0}
.realtime-panel>.voice-action{order:0;min-height:82px!important;font-size:clamp(20px,1.9vw,29px);font-weight:700;background:linear-gradient(135deg,#c0fff0,#6fe7ff)!important;color:#013776!important;border:2px solid #d1fff8!important;box-shadow:0 8px 30px #00efff33;border-radius:18px}
#realtime-status{text-align:center;margin:0;color:#aaffeb;font-weight:600;font-size:15px}#realtime-transcript{flex:1;min-height:40px;overflow:auto;font-size:clamp(15px,1.3vw,20px);line-height:1.65;padding:14px;border-radius:12px;background:#001b493d;color:#e7faff;white-space:pre-wrap;overscroll-behavior:contain}
.realtime-panel>#panel-end-voice{min-height:48px;color:white;background:#ffffff15;text-align:center;border-radius:12px}.voice-examples{display:flex;flex-direction:column;gap:7px}.voice-examples>span{font-size:11px;color:#b2d9f2}.voice-examples button{min-height:40px;padding:7px 10px;font-size:13px;text-align:left;background:#ffffff0d;border-color:#a5eaff44}.listening .voice-orbit{animation:voice-pulse 1.8s ease-in-out infinite}.listening .voice-action{background:#c2ffdf!important}.voice-action:disabled{opacity:.75}
@keyframes voice-pulse{50%{box-shadow:0 0 0 18px #68eaff12,0 0 50px #51eaff66}}
@media(max-height:800px){.welcome-questions.realtime-panel{padding:16px;gap:9px}.voice-orbit{width:72px;height:72px;font-size:48px;margin:8px 0}.realtime-panel>.voice-action{min-height:68px!important}.realtime-panel h2{font-size:25px;margin:8px 0}.voice-examples button{min-height:36px}}
@media(max-height:640px){.voice-orbit{display:none}.welcome-questions.realtime-panel{gap:8px;padding:14px}.realtime-panel>.voice-action{min-height:58px!important}.realtime-heading p{font-size:12px}.voice-examples{display:none}}
@media(max-width:1100px){main,.home main{grid-template-columns:minmax(0,1fr) minmax(240px,31%);column-gap:14px}.home #welcome{grid-template-columns:29% minmax(0,1fr)}.realtime-panel h2{font-size:24px}.realtime-heading p{font-size:12px}.realtime-panel>.voice-action{font-size:21px}.welcome-questions.realtime-panel{padding:15px}}
@media(max-width:700px){main,.home main{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) 180px 64px 14px;gap:8px}.home #welcome{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.conversation{display:none}.welcome-questions.realtime-panel,.home .welcome-questions.realtime-panel{grid-column:1;grid-row:2;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto minmax(0,1fr);gap:6px 10px;padding:12px;border-radius:16px}.realtime-heading{text-align:left;grid-column:1;grid-row:1}.realtime-panel h2{display:block;font-size:19px;margin:3px 0}.live-badge{font-size:9px}.realtime-heading p,.voice-orbit,.voice-examples{display:none}.realtime-panel>.voice-action{grid-column:2;grid-row:1/3;font-size:18px;min-height:64px!important;margin:0}#realtime-status{grid-column:1;grid-row:2;text-align:left;font-size:12px}#realtime-transcript{grid-column:1/-1;grid-row:3;font-size:13px;min-height:0;padding:6px 10px;margin:0}.realtime-panel>#panel-end-voice{grid-column:2;grid-row:2;z-index:1;font-size:12px;min-height:30px;padding:3px;background:#06417e}.listening>.voice-action{grid-row:1}#subtitle-bar,.home #subtitle-bar{grid-column:1;grid-row:3}.exhibit-note,.home .exhibit-note{grid-column:1;grid-row:4}}
@media(prefers-reduced-motion:reduce){.listening .voice-orbit{animation:none}}

/* Official ZTE wordmark, with a white treatment for the blue exhibition header. */
.brand{gap:16px;flex-shrink:0}.brand .zte-logo{display:block;width:100px;height:auto;object-fit:contain;filter:brightness(0) invert(1)}.brand>.brand-divider{display:block;width:1px;height:30px;background:#c3eaff66}.brand>span:not(.brand-divider){font-size:18px;letter-spacing:2px}
@media(max-width:700px){.brand{gap:10px}.brand .zte-logo{width:76px}.brand>.brand-divider{height:25px}.brand>span:not(.brand-divider){font-size:14px}.brand .brand-sub{font-size:6px;letter-spacing:1px}}
/* Keep presenter labels and playback hints in separate, reserved areas. */
.welcome-person{display:grid;grid-template-rows:minmax(0,1fr) auto;gap:10px;min-width:0}
#welcome-avatar{min-height:0}.welcome-person .greeting{position:static;max-width:100%;width:100%;margin:0;padding:10px 12px;font-size:clamp(12px,1.1vw,17px);line-height:1.45;border-radius:14px}
.portrait-stage[role=button]{padding-bottom:40px;min-width:0}.portrait-stage .portrait-fullscreen-hint{bottom:5px;max-width:100%;font-size:11px;padding:7px 9px;white-space:normal;text-align:center;line-height:1.25;width:max-content}
#welcome-avatar .portrait-rig{width:100%;margin-left:0}.portrait-stage .presenter-activity{bottom:48px}
/* Give answers the available height; controls never cover the transcript. */
.realtime-panel>*{flex-shrink:0}.realtime-panel #realtime-transcript{flex:1 1 0;min-height:0;margin:0;font-size:clamp(14px,1.2vw,18px);scrollbar-width:thin;scrollbar-color:#8edcfb #05316d;padding:12px 14px;overflow-wrap:anywhere}
.realtime-panel.listening .voice-orbit,.realtime-panel.listening .voice-examples{display:none}
.realtime-panel.listening>.voice-action{min-height:60px!important;font-size:clamp(18px,1.7vw,25px)}
.realtime-panel>#panel-end-voice{flex-shrink:0;min-height:44px!important;padding:8px 12px}
#realtime-status{line-height:1.4;overflow-wrap:anywhere}#realtime-expand{align-self:flex-end;font-size:12px;min-height:36px;padding:5px 12px;background:#ffffff12}
@media(max-height:680px){.welcome-person{gap:6px}.welcome-person .greeting{padding:7px 9px;font-size:12px}.realtime-panel.listening .realtime-heading p{display:none}.realtime-panel.listening>.voice-action{min-height:48px!important}.realtime-panel.listening h2{margin:3px 0;font-size:21px}.realtime-panel.listening{gap:7px}}
@media(max-width:700px){.welcome-person{display:none}.realtime-panel #realtime-transcript{min-height:0;font-size:13px;padding:6px 9px}.realtime-panel>#panel-end-voice{min-height:30px!important;padding:3px}.realtime-panel.listening>.voice-action{min-height:44px!important;font-size:17px}#realtime-expand{grid-column:2;grid-row:3;align-self:end;justify-self:end;background:#07509c}#realtime-transcript{padding-right:55px!important}}
@media(max-width:700px){main,.home main{grid-template-rows:minmax(0,1fr) 210px 64px 14px}.welcome-questions.realtime-panel,.home .welcome-questions.realtime-panel{grid-template-rows:auto auto minmax(0,1fr) auto}#realtime-expand{grid-column:1;grid-row:4;justify-self:start;align-self:center}.realtime-panel>#panel-end-voice{grid-column:2;grid-row:4;align-self:center}#realtime-transcript{padding-right:9px!important}}

/* Reserve a single control row so the end label cannot be pushed out or clipped. */
.realtime-controls{display:flex;align-items:stretch;gap:10px;flex:0 0 auto;min-width:0;min-height:48px;width:100%}
.realtime-controls #realtime-expand{align-self:stretch;flex:0 0 auto;min-height:48px;margin:0}
.realtime-controls #panel-end-voice{display:flex;align-items:center;justify-content:center;flex:1 1 auto;min-width:0;min-height:48px;height:auto;padding:10px 14px;white-space:nowrap;line-height:1.3;font-size:18px;font-weight:600;color:#fff;background:#a52642;border:1px solid #ffb3c4;border-radius:12px;opacity:1;overflow:visible}
.realtime-controls #panel-end-voice:disabled{color:#c5d7ef;background:#183f76;border-color:#6d94c5;opacity:1}
@media(max-width:700px){.realtime-controls{grid-column:1/-1;grid-row:4;min-height:44px;gap:8px}.realtime-controls #realtime-expand,.realtime-controls #panel-end-voice{min-height:44px;align-self:stretch}.realtime-controls #panel-end-voice{font-size:16px;padding:8px 12px}}