/* C8 dialogue treatment and C2 v5.3 AI conversation arrangement. */
#reviewDrawer .rv-close{background:rgba(255,255,255,.88);border:1px solid #c7dbe9;color:#245a83}
.rpg-panel,.rpg-wheel-q,.rpg-wheel-btn{background:rgba(244,250,255,.74);border:1px solid rgba(255,255,255,.72);color:#17324d;backdrop-filter:blur(18px) saturate(130%);-webkit-backdrop-filter:blur(18px) saturate(130%);box-shadow:0 7px 24px rgba(8,37,67,.13)}
.rpg-panel{margin-top:0;padding:26px 30px}.rpg-speaker,.rpg-text,.sa-classify-label{color:#17324d}.rpg-speaker{color:#356b94}.case-family figure{color:#35617d}.rpg-avatar{position:relative;z-index:2}
.rpg-wrap.wheel-mode{max-width:860px}.rpg-wheel{min-width:0;padding-left:24px}.rpg-wheel-speaker-copy{flex:1;min-width:0}.rpg-wheel-speaker:has(.rpg-wheel-speaker-avatar){align-items:flex-start}.rpg-wheel-speaker-avatar{margin-top:8px}.rpg-wheel-q{font-size:14px;line-height:1.8}.rpg-wheel-btn{font-size:13px;line-height:1.6}.rpg-wheel-btn:hover:not(:disabled){background:rgba(231,245,255,.9);color:#173f70;border-color:#6aaedb}.rpg-response-label{font-size:11px;color:#edf6ff;text-shadow:0 1px 5px #123;letter-spacing:1px}.rpg-wheel-btn.wh-correct{background:rgba(220,248,235,.9)!important;color:#166044}.rpg-wheel-btn.wh-wrong{background:rgba(255,229,226,.9)!important;color:#942f29}.rpg-npc-reply-bub{background:rgba(243,249,255,.86);border-color:#c6dcea;color:#254863}.rpg-npc-reply-name{color:#eef7ff}.rpg-npc-reply-av-fb{display:none}.rpg-next-btn{background:rgba(244,250,255,.88);color:#1f5fab;border-color:#d6e5f2}.rpg-next-btn:hover{background:#fff}.sa-result-feedback.ok{background:#e3f5ed;color:#185f47}.sa-result-feedback.bad{background:#fce7e4;color:#982f29}
.body.stage-end-mode{display:flex;align-items:center;justify-content:center;background:transparent;border:0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.body.stage-end-mode .beat-bar{display:none}.body.stage-end-mode .stage-end-card{width:auto;min-width:260px;margin:auto;padding:0;background:transparent;border:0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.body.stage-end-mode .stage-end-card div{color:#fff!important;text-shadow:0 2px 8px #071628}.body.stage-end-mode .stage-end-score{font-size:48px}.body.stage-end-mode .stage-end-max{margin-top:7px}
#reviewDrawer{width:min(420px,94vw);right:-440px;background:rgba(240,248,254,.94);backdrop-filter:blur(22px);color:#17324d}#reviewDrawer.open{right:0}#reviewDrawerHeader{border-bottom:1px solid #d4e4ef}.review-close-btn{color:#245a83;background:#fff;border-color:#c7dbe9}#reviewDrawerBody{padding:12px 14px}.steps-group{border:1px solid #cbdfea;border-radius:11px;overflow:hidden;margin-bottom:12px}.steps-primary,.steps-secondary{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:0;cursor:pointer;color:#214c6c}.steps-primary{padding:12px;background:#daeaf5;font-size:13px;font-weight:800}.steps-secondary{padding:9px 12px 9px 27px;background:#f5faff;font-size:12px;border-top:1px solid #e0edf5}.steps-primary:hover,.steps-secondary:hover{background:#d5ecfb}.steps-primary.current,.steps-secondary.current{background:#c9e7fb;box-shadow:inset 3px 0 #2a7fbf}.steps-step-name{flex:1;min-width:0}.steps-state{font-size:10px;white-space:nowrap;color:#71899d}.done .steps-state{color:#197354}.current .steps-state{color:#1f5fab}
.steps-primary.target,.steps-secondary.target{background:rgba(251,191,36,.18)!important;box-shadow:inset 0 0 0 2px rgba(251,191,36,.7)!important;color:#5a3a00!important}
.steps-primary.target .steps-state::after,.steps-secondary.target .steps-state::after{content:'已选';color:#e67a00;font-weight:800;margin-left:4px}
#reviewDrawerFooter{flex-shrink:0;padding:10px 14px 14px;border-top:1px solid #d4e4ef}
.review-goto-btn{width:100%;padding:10px;border:1px solid rgba(42,127,191,.4);border-radius:8px;background:linear-gradient(135deg,#1f5fab,#258b87);color:#fff;font-size:13px;font-weight:800;cursor:pointer;font-family:inherit;transition:.2s}
.review-goto-btn:hover{background:linear-gradient(135deg,#174d90,#1e7473)}
.review-goto-btn:disabled{opacity:.38;cursor:not-allowed;background:#b0c4d4;border-color:transparent}
#stepsPanelTab{z-index:7100}#reviewDrawer{z-index:7200}
#c4AiOverlay{background:linear-gradient(#071b30aa,#071b3077),var(--ai-scene-bg) center/cover no-repeat}.c4ai-infobar{height:48px;background:rgba(7,24,42,.38);border-bottom:1px solid #ffffff22;backdrop-filter:blur(8px);padding-right:62px}.c4ai-patient-name,.c4ai-patient-meta{color:#f0f7ff}.c4ai-label,.c4ai-round-chip{color:#e9f5ff;background:rgba(12,48,78,.52);border-color:#ffffff40}.c4ai-patient-av{width:28px;height:28px;object-fit:cover;border-radius:50%;border:2px solid #ffffff88}.c4ai-main{display:grid;grid-template-columns:minmax(220px,1fr) minmax(0,2fr);grid-template-rows:minmax(0,52%) minmax(0,48%);width:75%;margin:auto;gap:10px;padding:10px 0 16px;overflow:hidden}.c4ai-center{grid-column:1;grid-row:1/3;width:auto;min-height:0;gap:10px;padding:10px;background:rgba(6,25,43,.26);border:1px solid #ffffff40;border-radius:16px;backdrop-filter:blur(7px)}.c4ai-video-area{flex:0 0 auto}.c4ai-video-outer{width:100%;border-radius:13px}.c4ai-video-inner{inset:0}.c4ai-video-status{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:11px;padding:5px;color:#fff;background:#092239aa}.c4ai-goals{flex:1;min-height:0;width:100%;overflow:auto;padding:11px;background:rgba(7,30,50,.48);border:1px solid #ffffff33;border-radius:12px}.c4ai-goals .c4ai-sec-hdr{color:#e2f3ff}.c4ai-goals .c4ai-chk-item{background:#ffffff16;border-color:#ffffff2b;color:#e6f2fa}.c4ai-goals .c4ai-chk-item.done{background:#19735466;color:#c7f8de}.c4ai-right{grid-column:2;grid-row:1;width:auto;min-height:0;background:rgba(240,248,254,.84);border:1px solid #ffffff55;border-radius:15px;backdrop-filter:blur(12px)}.c4ai-left{grid-column:2;grid-row:2;width:auto;min-height:0;background:rgba(247,251,255,.88);border:1px solid #ffffff55;border-radius:15px;backdrop-filter:blur(12px)}.c4ai-input-area{background:#ffffff88}.c4ai-chat-scroll{gap:9px;padding:12px}.c8-chat-row.system{max-width:100%;width:100%}.c8-chat-row.system .c8-chat-content{width:100%}.c8-chat-row.system .c8-chat-av{display:none}.c4ai-exit-btn{border:1px solid #ffffff50;background:#ffffff22;color:#fff;border-radius:7px;padding:4px 10px;cursor:pointer}.c4ai-score-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px 16px}.c4ai-chat-scroll .c8-chat-av{width:32px;height:32px}.c4ai-input-area{flex-direction:row;align-items:flex-end}.c4ai-input-area textarea{flex:1;min-width:0;min-height:44px}.c4ai-input-row{align-items:center}.c4ai-coach-card{font-size:13px;line-height:1.8}
@media(max-width:900px){.c4ai-main{width:92%;grid-template-columns:minmax(180px,1fr) minmax(0,2fr)}.rpg-wrap.wheel-mode{padding:0 6px}.rpg-wrap.wheel-mode>.rpg-avatar{width:72px;height:72px}.rpg-wheel{padding-left:16px}}
@media(max-width:650px){.c4ai-main{display:flex;width:95%;flex-direction:column;overflow:auto}.c4ai-center{flex:none;display:grid;grid-template-columns:100px 1fr;height:185px}.c4ai-goals{height:160px}.c4ai-right{flex:none;max-height:230px}.c4ai-left{flex:none;height:350px}.c4ai-infobar{gap:7px}.c4ai-patient-meta,.c4ai-infobar-mid{display:none}.c4ai-input-area{flex-direction:column;align-items:stretch}.rpg-wrap.wheel-mode>.rpg-avatar{width:54px;height:54px}.rpg-wheel-speaker-avatar{width:48px;height:48px;flex-basis:48px}.rpg-panel{padding:22px}.rpg-wheel{padding-left:12px}}
#startBtn{position:relative;overflow:hidden}
#startBtn::after{content:'';position:absolute;top:-60%;left:-80%;width:45%;height:220%;background:linear-gradient(to right,transparent 0%,rgba(255,255,255,.28) 45%,rgba(255,255,255,.38) 50%,rgba(255,255,255,.28) 55%,transparent 100%);transform:skewX(-22deg);animation:c4-btn-shimmer 2.4s cubic-bezier(.4,0,.6,1) infinite}
@keyframes c4-btn-shimmer{0%{left:-80%}55%,100%{left:130%}}
#c4MatToast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%) translateY(12px);z-index:9999;max-width:min(520px,90vw);width:max-content;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1.5px solid rgba(37,139,135,.4);border-radius:14px;padding:16px 18px;box-shadow:0 4px 18px rgba(8,37,67,.12);pointer-events:none;opacity:0;transition:opacity .28s,transform .28s}
#c4MatToast.c4mt-show{opacity:1;transform:translateX(-50%) translateY(0)}
#c4MatToast.c4mt-hide{opacity:0;transform:translateX(-50%) translateY(12px)}
.c4ai-video-outer.speaking{box-shadow:0 0 0 2px rgba(37,139,135,.7),0 0 18px rgba(37,139,135,.25)}
.c4ai-video-outer.speaking .c4ai-video-status{background:rgba(9,34,57,.82);color:#a8f0e0}
.sym-img-wrap{width:100%;height:min(190px,26vh);border-radius:10px;overflow:hidden;margin-bottom:10px}
.sym-img-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.sym-narr{font-size:13px;font-style:italic;color:#4a6a88;border-left:3px solid rgba(37,107,148,.4);padding-left:10px;line-height:1.65;margin-bottom:12px}
/* ── Env scan v2 ── */
#envWrap{position:fixed;top:58px;left:0;right:0;bottom:0;display:flex;flex-direction:column;overflow:hidden}
.env-tabs{flex-shrink:0;display:flex;gap:6px;padding:8px 16px 4px;background:transparent}
.env-tab{padding:5px 14px;border-radius:20px;font-size:12px;font-weight:700;background:rgba(255,255,255,.12);color:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.18)}
.env-tab.cur{background:rgba(255,255,255,.9);color:#17324d;border-color:rgba(255,255,255,.9)}
.env-tab.done{background:rgba(88,224,168,.2);color:#a8f0d8;border-color:rgba(88,224,168,.35)}
.env-img-area{flex:1;min-height:0;display:flex;justify-content:center;align-items:center;padding:6px 14px}
#envImgBox{position:relative;width:min(100%,calc((100vh - 180px) * 16 / 9));aspect-ratio:16/9;overflow:hidden;cursor:crosshair;border-radius:10px;border:1.5px solid rgba(255,255,255,.22);box-shadow:0 0 0 5px rgba(255,255,255,.07),0 0 18px rgba(255,255,255,.09),0 4px 28px rgba(0,0,0,.38)}
#envImgBox[data-scene="hallway"] #envImg{transform:scale(1.02) translate(1%,-1%);transform-origin:center}
#envImgBox[data-scene="bathroom"] #envImg{transform:scale(1.013) translate(0.65%,0);transform-origin:center}
#envImg{width:100%;height:100%;object-fit:fill;display:block;user-select:none;-webkit-user-drag:none}
.env-bottom{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:8px 18px;background:rgba(7,24,42,.32);border-top:1px solid rgba(255,255,255,.12)}
.env-prog{display:flex;align-items:center;gap:7px}
.env-pd{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.25);border:2px solid rgba(255,255,255,.4);transition:background .3s,border-color .3s}
.env-pd.found{background:rgba(88,224,168,.8);border-color:#58e0a8;box-shadow:0 0 6px rgba(88,224,168,.5)}
.env-prog-txt{font-size:12px;color:rgba(255,255,255,.72);margin-left:4px}
.env-next-btn{padding:7px 18px;background:rgba(37,127,191,.7);border:1px solid rgba(37,127,191,.9);color:#fff;border-radius:8px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;transition:.2s}
.env-next-btn:hover{background:rgba(37,127,191,.9)}
/* Feedback card – fixed bottom-right */
#envFB{position:fixed;bottom:74px;right:16px;max-width:300px;z-index:8100;pointer-events:none}
.env-fb-card{background:rgba(255,255,255,.95);border-radius:12px;padding:14px 16px;box-shadow:0 4px 18px rgba(8,37,67,.22);border:1px solid rgba(88,224,168,.5);animation:envFbIn .3s ease}
.env-fb-in{animation:envFbIn .3s ease}
@keyframes envFbIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.env-fb-title{font-size:11px;font-weight:800;color:#1a7352;letter-spacing:.8px;margin-bottom:5px}
.env-fb-name{font-size:14px;font-weight:800;color:#17324d;margin-bottom:6px}
.env-fb-risk{font-size:12px;color:#7a3316;line-height:1.6;margin-bottom:5px}
.env-fb-sug{font-size:11.5px;color:#2a6048;line-height:1.6}
.env-fb-toast{background:rgba(30,50,80,.82);color:#e8f4ff;border-radius:8px;padding:10px 14px;font-size:12px;animation:envFbIn .25s ease}
/* Click ring FX */
.env-ring{position:absolute;width:32px;height:32px;border-radius:50%;transform:translate(-50%,-50%);animation:envRing .65s ease-out forwards;pointer-events:none}
.env-ring.ok{border:2.5px solid rgba(88,224,168,.9);background:rgba(88,224,168,.2)}
.env-ring.err{border:2.5px solid rgba(220,80,60,.8);background:rgba(220,80,60,.15)}
@keyframes envRing{0%{transform:translate(-50%,-50%) scale(.4);opacity:1}100%{transform:translate(-50%,-50%) scale(2.2);opacity:0}}
/* Confirmed zone appear */
.env-zone-appear{animation:envZoneIn .32s ease}
@keyframes envZoneIn{from{opacity:0}to{opacity:1}}
/* ── Symptom slide two-column layout ── */
.sym-slide-outer{position:fixed;top:calc(50% + 29px);left:50%;transform:translate(-50%,-50%);width:min(920px,96vw);height:min(540px,calc(100vh - 90px));background:#fff;border-radius:20px;box-shadow:0 8px 36px rgba(8,37,67,.2);overflow:hidden;display:grid;grid-template-columns:58% 42%}
.sym-slide-left{overflow:hidden;display:flex;flex-direction:column;background:#f0f5fa}
.sym-img-full{flex:1;min-height:0;overflow:hidden}
.sym-img-full img{width:100%;height:100%;object-fit:contain;display:block}
.sym-slide-left .sym-narr{margin:0;padding:12px 16px;border-left:none;border-top:3px solid rgba(37,107,148,.25);background:rgba(37,107,148,.06);flex-shrink:0;font-size:13px}
.sym-slide-right{padding:24px 22px;overflow-y:auto;display:flex;flex-direction:column;background:#fff}
.sa-btns-col{display:flex;flex-direction:column;gap:8px}
.sa-btns-col .sa-classify-btn{width:100%}
@media(max-width:650px){.sym-slide-outer{grid-template-columns:1fr;grid-template-rows:45% 55%;height:min(600px,calc(100vh - 80px))}.sym-slide-left{min-height:0}}
/* ── 安安老师 AI 导师悬浮 ── */
#c4TutorFab{position:fixed;left:8px;top:64vh;z-index:14500;width:68px;height:68px;border:0;border-radius:50%;background:#fff;box-shadow:0 6px 18px rgba(10,52,96,.28);cursor:grab;touch-action:none;user-select:none;padding:0;display:none;align-items:center;justify-content:center;font-family:inherit;overflow:hidden}
#c4TutorFab:active{cursor:grabbing}
.c4-tutor-fab-avatar{width:100%;height:100%;border-radius:50%;object-fit:cover;object-position:center top;background:transparent;border:0;display:block}
#c4TutorMask{position:fixed;inset:0;z-index:16000;background:transparent;display:none;align-items:flex-end;justify-content:flex-start;padding:70px 24px 18px 150px;pointer-events:none}
#c4TutorMask.open{display:flex}
.c4-tutor-window{--c4tf:13px;width:min(760px,82vw);height:min(520px,78vh);background:transparent;border-radius:18px;box-shadow:0 28px 75px rgba(8,34,62,.48),0 8px 22px rgba(8,34,62,.26);display:flex;overflow:visible;position:relative;left:0;top:0;border:0;pointer-events:auto}
.c4-tutor-close{position:absolute;right:14px;top:12px;z-index:3;width:34px;height:34px;border-radius:50%;border:1px solid #d5e1ee;background:#fff;color:#48627d;font-size:22px;cursor:pointer;display:grid;place-items:center}
.c4-tutor-close:hover{color:#b43d35;border-color:#e7b5b0}
.c4-tutor-clr{position:absolute;right:58px;top:13px;z-index:3;width:32px;height:32px;display:grid;place-items:center;border:1px solid #d5e1ee;border-radius:50%;background:rgba(255,255,255,.9);color:#687f96;padding:0;font:17px/1 inherit;cursor:pointer}
.c4-tutor-clr:hover{color:#b43d35;border-color:#e7b5b0;background:#fff8f7}
.c4-tutor-char{position:absolute;z-index:4;left:-138px;top:-92px;width:286px;height:calc(100% + 92px);background:none;display:block;overflow:visible;pointer-events:none}
.c4-tutor-char img{width:100%;height:100%;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 12px 13px rgba(22,53,82,.28))}
.c4-tutor-chat{width:100%;min-width:0;display:flex;flex-direction:column;background:#fff;border-radius:18px;overflow:hidden}
.c4-tutor-head{height:62px;flex-shrink:0;padding:13px 142px 9px 165px;border-bottom:1px solid #dce6f0;cursor:move;user-select:none;touch-action:none;background:linear-gradient(90deg,#edf5fc,#fff 45%)}
.c4-tutor-head b{display:block;color:#17324d;font-size:16px}
.c4-tutor-head span{font-size:11px;color:#7890a8;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#c4TutorMsgs{flex:1;overflow-y:auto;padding:14px 16px 14px 165px;display:flex;flex-direction:column;gap:9px;background:#f7fafd}
.c4tm{max-width:92%;padding:9px 12px;border-radius:12px;font-family:inherit;font-size:var(--c4tf);line-height:1.7;white-space:pre-wrap}
.c4tm.teacher{align-self:flex-start;background:#fff;border:1px solid #dce6f0;color:#35516d;border-radius:4px 12px 12px 12px}
.c4tm.student{align-self:flex-end;background:#e8f2ff;border:1px solid #c7daf2;color:#17324d;border-radius:12px 4px 12px 12px}
.c4tm.loading{color:#7890a8}
.c4-tutor-inp{flex-shrink:0;margin-left:150px;padding:10px 12px 12px;border-top:1px solid #dce6f0;display:flex;gap:8px;background:#fff}
.c4-tutor-inp textarea{flex:1;resize:none;border:1px solid #c7d6e5;border-radius:10px;padding:9px 11px;font-family:inherit;font-size:var(--c4tf);line-height:1.7;outline:none;max-height:90px}
.c4-tutor-inp textarea:focus{border-color:#1f5fab;box-shadow:0 0 0 2px rgba(31,95,171,.1)}
.c4-tutor-send{border:0;border-radius:10px;background:#1f6fb3;color:#fff;font-weight:700;padding:0 18px;cursor:pointer;font-family:inherit}
.c4-tutor-send:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:700px){#c4TutorMask{padding:60px 8px 10px 76px}.c4-tutor-window{width:calc(100vw - 84px);height:72vh}.c4-tutor-char{left:-70px;top:-62px;width:170px;height:calc(100% + 62px)}.c4-tutor-head{padding-left:105px;padding-right:132px}#c4TutorMsgs{padding-left:105px}.c4-tutor-inp{margin-left:92px}#c4TutorFab{width:60px;height:60px}}