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.tutor-history-list{max-height:120px}.tutor-float-chat .tutor .tlist{min-height:90px}}.tident{display:flex;align-items:center;gap:12px;min-width:0}.tident .tmark{width:40px;height:40px}.tident :is(h1,h3){font-size:17px;line-height:1.3}.tstatus{display:inline-flex;align-items:center;gap:6px;margin-top:2px;font-size:12.5px;color:var(--muted)}.tstatus i{width:7px;height:7px;border-radius:50%;background:var(--faint)}.tstatus.on i{background:var(--cyan);box-shadow:0 0 0 3px #3df2e02e}.quota{background:transparent;border-color:var(--hair)}.tname{margin:0 0 4px!important;font-family:var(--font-head);font-size:13px;font-weight:600;color:var(--muted)}.tcopy{display:inline-flex;align-items:center;gap:6px;margin-top:6px;min-height:32px;padding:0 10px;border:1px solid transparent;border-radius:999px;background:transparent;color:var(--faint);font:inherit;font-size:12.5px;cursor:pointer;opacity:0;transition:opacity var(--t-fast),color var(--t-fast),border-color var(--t-fast)}.tmsg.ai:hover 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