.qa-view[hidden]{display:none}
body.qa-modal-open{overflow:hidden}
body.qa-modal-open #detail-page-header,body.detail-view-active.qa-modal-open #detail-page-header{display:none!important}
body.qa-modal-open #qa-view:not([hidden]){position:fixed!important;inset:0!important;z-index:12000!important;display:grid!important;place-items:center!important;box-sizing:border-box!important;width:100vw!important;height:100vh!important;height:100dvh!important;min-width:0!important;min-height:0!important;max-width:none!important;max-height:none!important;margin:0!important;padding:clamp(12px,2.2vw,28px)!important;overflow:auto!important;border:0!important;border-radius:0!important;background:rgba(15,29,48,.62)!important;color:#26384d!important;box-shadow:none!important;backdrop-filter:blur(5px)}
.qa-shell{display:flex;flex-direction:column;box-sizing:border-box;width:min(1040px,100%);height:min(780px,calc(100vh - 56px));height:min(780px,calc(100dvh - 56px));min-width:0;min-height:0;overflow:hidden;border:1px solid #9aa7b7;border-radius:10px;background:#fff;color:#26384d;box-shadow:0 24px 70px rgba(15,29,48,.3);animation:qa-modal-in .18s ease-out}
@keyframes qa-modal-in{from{opacity:0;transform:translateY(7px) scale(.99)}to{opacity:1;transform:none}}
.qa-header{position:relative;z-index:2;display:flex;flex:none;align-items:center;gap:13px;min-height:68px;box-sizing:border-box;padding:0 18px;border-bottom:3px solid #c6a35b;background:#1f3856;color:#fff}
.qa-avatar{display:grid;flex:none;place-items:center;width:40px;height:40px;box-sizing:border-box;border:1px solid rgba(255,255,255,.28);border-radius:7px;color:#f4d58a}
.qa-avatar svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.qa-heading{flex:1;min-width:0;padding:8px 0}
.qa-eyebrow{margin-bottom:4px;color:#d8c28e;font:600 9px/1.2 "Segoe UI",sans-serif;letter-spacing:.16em;text-transform:uppercase}
.qa-heading h2{margin:0;color:#fff;font:700 16px/1.25 "Microsoft YaHei UI","Microsoft YaHei","Segoe UI",sans-serif;letter-spacing:.02em}
.qa-meta{display:flex;align-items:center;gap:8px;margin-top:5px;color:#cbd5e1;font:400 10px/1.3 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-close{display:grid;flex:none;place-items:center;width:34px;height:34px;padding:0;border:1px solid rgba(255,255,255,.3);border-radius:6px;background:transparent;color:#fff;font:500 16px/1 "Segoe UI",sans-serif;cursor:pointer;transition:background .15s,border-color .15s}
.qa-close:hover{border-color:#d36a6a;background:#b44747}
.qa-body{display:flex;flex:1;flex-direction:column;min-height:0;overflow:hidden;padding:14px clamp(18px,3vw,34px) 0;background-color:#f7f8fa;background-image:linear-gradient(rgba(34,64,97,.045) 1px,transparent 1px);background-size:100% 32px}
.qa-service-bar{display:flex;flex:none;align-items:center;gap:10px;min-height:31px;padding:0 0 7px;color:#66758a;font:400 10px/1.4 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-service-bar b{color:#8a6728;font-size:11px}
.qa-config-note{flex:none;margin:0 0 8px;padding:9px 11px;border:1px solid #d5dbe3;border-radius:5px;background:#fff;color:#526175;font:400 10px/1.6 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-coach-brief{flex:none;margin:0 0 8px;padding:9px 12px;border:1px solid #cfd6df;border-radius:5px;background:#fff;color:#526175;font:400 11px/1.5 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-consent{flex:none;margin:0 0 9px;color:#26384d;font:600 11px/1.55 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-consent label{display:flex;align-items:flex-start;gap:8px;cursor:pointer}
.qa-consent input[type=checkbox]{flex:none;width:15px!important;height:15px!important;min-width:15px!important;min-height:15px!important;margin:2px 0 0!important;padding:0!important;accent-color:#294b70;appearance:auto}
.qa-chat{display:flex;flex:1 1 auto;flex-direction:column;min-width:0;min-height:0;margin:0;border:1px solid #cfd6df;border-radius:7px 7px 0 0;background:rgba(255,255,255,.96);overflow:hidden}
.qa-history{display:flex;flex:1 1 auto;flex-direction:column;align-content:start;gap:11px;min-height:0;max-height:none;overflow:auto;padding:16px clamp(16px,3vw,30px);scrollbar-gutter:stable}
.qa-turn{display:grid;gap:9px}
.qa-question,.qa-answer{max-width:min(82%,680px);padding:10px 13px;border-radius:7px;font:400 13px/1.65 "Segoe UI","Microsoft YaHei UI",sans-serif;overflow-wrap:anywhere}
.qa-question{justify-self:end;border:1px solid #294b70;background:#294b70;color:#fff;border-bottom-right-radius:2px}
.qa-answer{justify-self:start;border:1px solid #cfd6df;border-left:3px solid #c6a35b;background:#fff;color:#26384d;border-bottom-left-radius:2px}
.qa-turn span{color:#748197;font-size:10px}
.qa-turn p{margin:5px 0 0;font-size:13px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}
.qa-empty{display:grid;flex:1;justify-items:center;align-content:center;min-height:190px;color:#526175;text-align:center}
.qa-empty>span{font-size:26px;color:#c6a35b}
.qa-empty b{margin-top:8px;color:#394b60;font:500 16px Georgia,"Songti SC",serif}
.qa-empty small{margin-top:5px;color:#78869a;font:400 11px/1.5 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-composer{flex:none;padding:10px 12px 11px;border-top:1px solid #aeb9c6;background:#fff;box-shadow:0 -5px 16px rgba(15,29,48,.05)}
.qa-composer-tools{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin-bottom:7px}
.qa-composer-tools button,.qa-image-button{display:inline-flex;align-items:center;gap:5px;min-height:30px;box-sizing:border-box;padding:6px 9px;border:1px solid #aeb9c6;border-radius:5px;background:#fff;color:#526175;font:400 10px/1.3 "Segoe UI","Microsoft YaHei UI",sans-serif;cursor:pointer}
.qa-image-button{position:relative;overflow:hidden}
.qa-image-button input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.qa-composer-tools .qa-hint-label{display:flex;align-items:center;gap:6px;color:#526175;font:400 10px/1.3 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-hint-label select,.qa-composer-tools select[data-qa-voice-language]{max-width:145px;min-height:30px;box-sizing:border-box;padding:5px 7px;border:1px solid #aeb9c6;border-radius:5px;background:#fff;color:#394b60;font:400 10px/1.3 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-composer-tools .qa-clear{margin-left:auto}
.qa-composer-tools button:disabled{opacity:.45;cursor:default}
.qa-selected-image{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 9px;margin-bottom:7px;border:1px solid #d5dbe3;border-radius:5px;background:#fff;color:#526175;font:400 10px/1.4 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-selected-image button{border:0;background:none;color:#9c625b;font:inherit;cursor:pointer}
.qa-input-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:stretch}
.qa-input-row textarea{box-sizing:border-box;width:100%;height:56px;min-height:44px;max-height:120px;resize:vertical;padding:10px 12px;border:1px solid #aeb9c6;border-radius:5px;background:#fff;color:#26384d;font:400 13px/1.5 "Segoe UI","Microsoft YaHei UI",sans-serif;outline-color:#294b70}
.qa-send{align-self:stretch;min-width:82px;padding:8px 12px;border:1px solid #294b70;border-radius:5px;background:#294b70;color:#fff;font:600 11px/1.3 "Segoe UI","Microsoft YaHei UI",sans-serif;cursor:pointer}
.qa-send:disabled{opacity:.45;cursor:default}
.qa-input-foot{display:block;margin-top:6px;color:#748197;font:400 9px/1.45 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-status{flex:none;min-height:19px;padding:3px 2px 5px;color:#526175;font:400 10px/1.4 "Segoe UI","Microsoft YaHei UI",sans-serif}
.qa-status.error{color:#a75b51}
.qa-loading{display:grid;place-content:center;min-height:260px;color:#394b60;text-align:center;font:14px Georgia,"Songti SC",serif}
.qa-loading button{margin:10px auto;padding:7px 11px;border:1px solid #aeb9c6;border-radius:5px;background:#fff;color:#394b60;cursor:pointer}
@media(max-width:640px){
  body.qa-modal-open #qa-view:not([hidden]){padding:0!important;background:#f7f8fa!important;backdrop-filter:none}
  .qa-shell{width:100%;height:100vh;height:100dvh;border:0;border-radius:0;box-shadow:none}
  .qa-header{min-height:60px;padding:0 12px;gap:9px}
  .qa-avatar{width:34px;height:34px}
  .qa-eyebrow{display:none}
  .qa-heading h2{font-size:14px}
  .qa-meta{gap:5px;margin-top:3px;font-size:9px}
  .qa-body{padding:10px 10px 0}
  .qa-consent{font-size:10px}
  .qa-history{padding:12px 10px}
  .qa-question,.qa-answer{max-width:91%;font-size:12px}
  .qa-composer{padding:8px 9px max(9px,env(safe-area-inset-bottom))}
  .qa-composer-tools{gap:5px}
  .qa-composer-tools button,.qa-image-button{padding:6px 7px}
  .qa-composer-tools .qa-clear{margin-left:0}
  .qa-hint-label{max-width:100%}
  .qa-hint-label select,.qa-composer-tools select[data-qa-voice-language]{max-width:112px}
  .qa-input-row{grid-template-columns:minmax(0,1fr) auto}
  .qa-input-row textarea{height:48px}
  .qa-send{min-width:68px;padding:6px 8px}
}
@media(prefers-reduced-motion:reduce){.qa-shell{animation:none}}