/* Only expert presentation; selection/edit/import controls keep their original owners. */
#tt-ex-body .tt-ex-group-grid {grid-template-columns:repeat(auto-fill,minmax(min(285px,100%),1fr));gap:16px}
#tt-ex-body .tt-ex-art {position:relative;min-width:0;container-type:inline-size;--art-wash:#e0ebdc;--art-base:#f7faf5;--art-ink:#2f3c2d;--art-muted:#5e6c59;--art-line:#768b6626}
#tt-ex-body .tone-blue {--art-wash:#dfeaf7;--art-base:#f6f9fd;--art-ink:#293c50;--art-muted:#576b80;--art-line:#6488aa26}
#tt-ex-body .tone-sand {--art-wash:#f1e3d1;--art-base:#fcf9f4;--art-ink:#493e30;--art-muted:#76634c;--art-line:#a0845f26}
#tt-ex-body .tone-lavender {--art-wash:#e8e3f5;--art-base:#faf8fd;--art-ink:#3e3556;--art-muted:#75668a;--art-line:#8a73af26}
#tt-ex-body .tone-rose {--art-wash:#f4dee5;--art-base:#fcf7f9;--art-ink:#51313f;--art-muted:#805c6d;--art-line:#aa658426}
#tt-ex-body .tt-ex-art > .tt-ex-card {text-align:left;flex:1;min-height:0;display:flex;flex-direction:column;align-items:stretch;width:100%;height:100%;padding:20px;border-radius:20px;border:1px solid var(--art-line);background:radial-gradient(ellipse at 100% 0%,var(--art-wash),transparent 72%),var(--art-base);color:var(--art-ink);box-shadow:none;transform:none;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow:hidden;cursor:pointer}
#tt-ex-body .tt-ex-art > .tt-ex-card:hover {border-color:color-mix(in srgb,var(--art-muted) 40%,transparent);transform:none}
#tt-ex-body .tt-ex-art > .tt-ex-card[aria-pressed=true] {border-color:var(--color-accent,#1685ed);box-shadow:inset 0 0 0 1px var(--color-accent,#1685ed)}
#tt-ex-body .tt-ex-art-heading {padding-right:102px;min-height:80px;text-align:left}
#tt-ex-body .tt-ex-art-eyebrow {font-size:10px;line-height:1.5;color:var(--art-muted);margin-bottom:6px;font-weight:500}
#tt-ex-body .tt-ex-art .tt-ex-name {font-size:23px;font-weight:650;line-height:1.25;letter-spacing:-.5px;white-space:normal;overflow-wrap:anywhere;color:var(--art-ink)}
#tt-ex-body .tt-ex-art-role {font-size:11px;line-height:1.7;color:var(--art-muted);margin-top:6px}
#tt-ex-body .tt-ex-avatar-shell {position:absolute;right:18px;top:20px;width:88px;height:88px;border-radius:18px;overflow:hidden;display:grid;place-items:center;background:radial-gradient(circle at 28% 20%,color-mix(in srgb,#fff 68%,var(--art-wash)),var(--art-wash) 66%,color-mix(in srgb,var(--art-wash) 74%,var(--art-base)));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--art-muted) 20%,transparent),0 4px 12px color-mix(in srgb,var(--art-muted) 12%,transparent);isolation:isolate}
#tt-ex-body .tt-ex-art-avatar {position:relative;width:100%;height:100%;border-radius:inherit;object-fit:cover;object-position:center 28%;background:transparent;display:block;flex:none;mask-image:linear-gradient(#000 86%,transparent);-webkit-mask-image:linear-gradient(#000 86%,transparent)}
#tt-ex-body .tt-ex-art-sprite {background-image:url('/tongtang-runtime-e83c846cd083/expert-art-20261005/symbols-doodle-v1.png');background-size:400% 300%;background-repeat:no-repeat;mask-image:linear-gradient(#000 92%,transparent);-webkit-mask-image:linear-gradient(#000 92%,transparent)}
#tt-ex-body .tt-ex-art-fallback {display:grid;place-items:center;font-size:35px;color:var(--art-muted)}
#tt-ex-body .tt-ex-art .tt-ex-art-lead {font-size:13px;line-height:1.8;font-weight:500;color:var(--art-ink);margin:12px 0 0;min-height:47px;display:block;-webkit-line-clamp:unset;white-space:normal;overflow:visible;max-width:none;padding:0 0 13px;border-bottom:1px solid var(--art-line)}
#tt-ex-body .tt-ex-art-info {margin-top:15px;text-align:left}
#tt-ex-body .tt-ex-art-section-label {font-size:11px;line-height:1.5;font-weight:600;color:var(--art-muted)}
#tt-ex-body .tt-ex-art-scenes {list-style:none;padding:0;margin:10px 0 0;display:grid;gap:10px}
#tt-ex-body .tt-ex-art-scenes li {display:flex;align-items:baseline;gap:7px;font-size:12px;font-weight:400;line-height:1.7;color:var(--art-ink)}
#tt-ex-body .tt-ex-art-scenes li:before {content:"";display:block;width:4px;height:4px;flex:none;background:var(--art-muted);border-radius:50%;align-self:center;opacity:.65}
#tt-ex-body .tt-ex-art-private-tags {font-size:12px;line-height:1.8;margin-top:10px;color:var(--art-ink)}
#tt-ex-body .tt-ex-art-foot {display:flex;align-items:center;justify-content:space-between;margin-top:auto;border-top:1px solid var(--art-line);padding-top:12px;min-height:42px}
#tt-ex-body .tt-ex-art-scope {font-size:10px;line-height:1.5;color:var(--art-muted);max-width:47%;text-align:left}
#tt-ex-body .tt-ex-art .tt-ex-check {position:static;width:26px;height:26px;border-radius:50%;background:#ffffffb0;color:var(--art-muted);border:1px solid var(--art-line);font-size:15px}
#tt-ex-body .tt-ex-art .tt-ex-card[aria-pressed=true] .tt-ex-check {background:var(--color-accent,#1685ed);color:#fff;border-color:var(--color-accent,#1685ed)}
#tt-ex-body .tt-ex-art .tt-ex-choice-details {position:absolute;bottom:17px;right:48px;min-height:44px;max-width:40%;padding:10px 8px;border:0;border-radius:8px;color:var(--art-ink);background:transparent;font-size:11px;line-height:1.3;cursor:pointer}
#tt-ex-body .tt-ex-art .tt-ex-choice-details:hover {background:color-mix(in srgb,var(--art-wash) 55%,transparent)}
#tt-ex-body .tt-ex-art button:focus-visible {outline:3px solid var(--color-accent,#1685ed);outline-offset:3px}
#tt-ex-body .tt-ex-art-detail {position:relative;--art-wash:#e0ebdc;--art-base:#f7faf5;--art-ink:var(--color-text,#2f3c2d);--art-muted:var(--color-text-muted,#5e6c59);--art-line:var(--color-line,#768b6626);padding:20px;border:1px solid var(--art-line);border-radius:16px;margin:12px 0 16px;background:var(--color-surface-sunken,#f7faf5)}
#tt-ex-body .tt-ex-art-detail-lead {padding-right:100px;font-size:16px;font-weight:600;line-height:1.8;margin:0 0 20px;min-height:88px;color:var(--color-text)}
#tt-ex-body .tt-ex-art-disclaimer {font-size:11px;line-height:1.7;color:var(--color-text-muted);border-top:1px solid var(--color-line);margin:16px 0 0;padding-top:12px}
#tt-ex-body .tt-ex-art-detail-intro {display:block;min-height:0;-webkit-line-clamp:unset;margin:12px 0}
html[data-color-scheme=dark] #tt-ex-body .tt-ex-art {--art-base:#202620;--art-wash:#34452f;--art-ink:#e6ede2;--art-muted:#b0bea8;--art-line:#b0bea829}
html[data-color-scheme=dark] #tt-ex-body .tone-blue {--art-base:#202731;--art-wash:#2f435b;--art-ink:#e6edf5;--art-muted:#adbed2}
html[data-color-scheme=dark] #tt-ex-body .tone-sand {--art-base:#2a2621;--art-wash:#4a3b2c;--art-ink:#f1e9df;--art-muted:#cbb8a2}
html[data-color-scheme=dark] #tt-ex-body .tone-lavender {--art-base:#26222d;--art-wash:#423650;--art-ink:#eee7f7;--art-muted:#c2b0d7}
html[data-color-scheme=dark] #tt-ex-body .tone-rose {--art-base:#2c2328;--art-wash:#513440;--art-ink:#f6e5ed;--art-muted:#d2afbf}
html[data-color-scheme=dark] #tt-ex-body .tt-ex-art .tt-ex-check {background:#ffffff12}
@media(prefers-color-scheme:dark){
html[data-color-scheme=system] #tt-ex-body .tt-ex-art {--art-base:#202620;--art-wash:#34452f;--art-ink:#e6ede2;--art-muted:#b0bea8;--art-line:#b0bea829}
html[data-color-scheme=system] #tt-ex-body .tone-blue {--art-base:#202731;--art-wash:#2f435b;--art-ink:#e6edf5;--art-muted:#adbed2}
html[data-color-scheme=system] #tt-ex-body .tone-sand {--art-base:#2a2621;--art-wash:#4a3b2c;--art-ink:#f1e9df;--art-muted:#cbb8a2}
html[data-color-scheme=system] #tt-ex-body .tone-lavender {--art-base:#26222d;--art-wash:#423650;--art-ink:#eee7f7;--art-muted:#c2b0d7}
html[data-color-scheme=system] #tt-ex-body .tone-rose {--art-base:#2c2328;--art-wash:#513440;--art-ink:#f6e5ed;--art-muted:#d2afbf}
html[data-color-scheme=system] #tt-ex-body .tt-ex-art .tt-ex-check {background:#ffffff12}
}
@media(max-width:660px){#tt-ex-body .tt-ex-group-grid{grid-template-columns:minmax(0,1fr)}#tt-ex-body .tt-ex-art{max-width:365px;width:100%;justify-self:center}#tt-ex-body .tt-ex-art > .tt-ex-card{padding:18px}#tt-ex-body .tt-ex-art .tt-ex-name{font-size:21px}}
@container(max-width:285px){#tt-ex-body .tt-ex-art > .tt-ex-card{padding:15px}#tt-ex-body .tt-ex-art-heading{padding-right:76px;min-height:73px}#tt-ex-body .tt-ex-avatar-shell{width:66px;height:66px;right:14px;top:17px}#tt-ex-body .tt-ex-art .tt-ex-name{font-size:19px}#tt-ex-body .tt-ex-art-eyebrow{font-size:9px}#tt-ex-body .tt-ex-art-role{font-size:10px}#tt-ex-body .tt-ex-art .tt-ex-art-lead{font-size:12px;margin-top:8px;min-height:40px;padding-bottom:10px}#tt-ex-body .tt-ex-art-info{margin-top:10px}#tt-ex-body .tt-ex-art-scenes{gap:7px;margin-top:8px}#tt-ex-body .tt-ex-art-scenes li{font-size:11px;line-height:1.6}#tt-ex-body .tt-ex-art-scope{font-size:9px}#tt-ex-body .tt-ex-art .tt-ex-choice-details{font-size:10px;right:41px;bottom:13px}}
@media(prefers-reduced-motion:no-preference){#tt-ex-body .tt-ex-art > .tt-ex-card{transition:border-color .16s,box-shadow .16s}}
/* Content-led vertical rhythm: distribute the available space into usable rows, not a footer spacer. */
#tt-ex-body .tt-ex-art > .tt-ex-card {gap:0}
#tt-ex-body .tt-ex-art .tt-ex-art-heading {flex:none}
#tt-ex-body .tt-ex-art .tt-ex-art-lead {flex:none;min-height:0;margin-top:12px;padding-bottom:11px;font-size:14px;line-height:1.65}
#tt-ex-body .tt-ex-art .tt-ex-art-info {flex:1;min-height:0;display:flex;flex-direction:column;margin-top:11px}
#tt-ex-body .tt-ex-art .tt-ex-art-section-label {flex:none;font-size:11px}
#tt-ex-body .tt-ex-art .tt-ex-art-scenes {flex:none;min-height:0;display:grid;grid-template-rows:none;align-content:start;margin:8px 0 0;gap:6px}
#tt-ex-body .tt-ex-art .tt-ex-art-scenes li {align-items:center;font-size:13px;line-height:1.5;padding:6px 10px;border-radius:9px;background:color-mix(in srgb,var(--art-wash) 26%,transparent)}
#tt-ex-body .tt-ex-art .tt-ex-art-scenes li:before {width:4px;height:4px}
#tt-ex-body .tt-ex-art .tt-ex-art-foot {flex:none;margin-top:auto;padding-top:10px;min-height:37px}
#tt-ex-body .tt-ex-art .tt-ex-choice-details {bottom:15px}
@container(max-width:285px){#tt-ex-body .tt-ex-art .tt-ex-art-lead{font-size:12px;margin-top:8px;padding-bottom:10px}#tt-ex-body .tt-ex-art .tt-ex-art-info{margin-top:10px}#tt-ex-body .tt-ex-art .tt-ex-art-scenes{gap:5px;margin-top:7px}#tt-ex-body .tt-ex-art .tt-ex-art-scenes li{font-size:11px;line-height:1.45;padding:4px 6px}#tt-ex-body .tt-ex-art .tt-ex-art-foot{margin-top:9px;padding-top:8px;min-height:34px}#tt-ex-body .tt-ex-art .tt-ex-choice-details{bottom:12px}}
#tt-ex-body .tt-ex-art .tt-ex-art-lead {font-weight:700;white-space:nowrap;overflow:visible;text-overflow:clip;min-width:0;width:100%}
#tt-ex-body .tt-ex-art .tt-ex-name {font-size:20px;white-space:nowrap;overflow:visible;text-overflow:clip}
#tt-ex-body .tt-ex-art .tt-ex-name.tt-ex-art-longname {font-size:17px;letter-spacing:-.3px}
#tt-ex-body .tt-ex-art .tt-ex-art-foot {justify-content:flex-end;min-height:44px;padding-top:8px}
#tt-ex-body .tt-ex-art .tt-ex-check {width:auto;height:34px;min-width:78px;padding:0 13px;border-radius:10px;font-size:12px;font-weight:600;line-height:1.2;gap:5px}
@container(max-width:285px){#tt-ex-body .tt-ex-art .tt-ex-name{font-size:18px}#tt-ex-body .tt-ex-art .tt-ex-name.tt-ex-art-longname{font-size:14px}#tt-ex-body .tt-ex-art .tt-ex-check{height:30px;min-width:70px;padding:0 10px;font-size:11px}}

/* 专家头像（聊天消息、圆桌座位）：底色与卡片同色调，深色主题用卡片的深色值 */
.tt-ex-face {display:block;width:100%;height:100%;border-radius:inherit;object-fit:cover;object-position:center 28%;background-color:#e0ebdc}
.tt-ex-face.is-sprite {background-image:url('/tongtang-runtime-e83c846cd083/expert-art-20261005/symbols-doodle-v1.png');background-size:400% 300%;background-repeat:no-repeat}
.tt-ex-face[data-tone=blue] {background-color:#dfeaf7}
.tt-ex-face[data-tone=sand] {background-color:#f1e3d1}
.tt-ex-face[data-tone=lavender] {background-color:#e8e3f5}
.tt-ex-face[data-tone=rose] {background-color:#f4dee5}
html[data-color-scheme=dark] .tt-ex-face {background-color:#34452f}
html[data-color-scheme=dark] .tt-ex-face[data-tone=blue] {background-color:#2f435b}
html[data-color-scheme=dark] .tt-ex-face[data-tone=sand] {background-color:#4a3b2c}
html[data-color-scheme=dark] .tt-ex-face[data-tone=lavender] {background-color:#423650}
html[data-color-scheme=dark] .tt-ex-face[data-tone=rose] {background-color:#513440}
@media(prefers-color-scheme:dark){
  html[data-color-scheme=system] .tt-ex-face {background-color:#34452f}
  html[data-color-scheme=system] .tt-ex-face[data-tone=blue] {background-color:#2f435b}
  html[data-color-scheme=system] .tt-ex-face[data-tone=sand] {background-color:#4a3b2c}
  html[data-color-scheme=system] .tt-ex-face[data-tone=lavender] {background-color:#423650}
  html[data-color-scheme=system] .tt-ex-face[data-tone=rose] {background-color:#513440}
}