:root{--primary:#0F766E;--primary-hover:#115E59;--primary-soft:#ECFDF9;--bg:#F5F8F8;--surface:#FFFFFF;--surface-muted:#EEF3F3;--border:#DDE6E6;--border-strong:#C7D6D6;--text:#1F2933;--text-sub:#5B7070;--text-faint:#8AA0A0;--success:#16A34A;--warning:#D97706;--danger:#DC2626;--danger-soft:#FEF2F2;--warning-soft:#FFFBEB;--font:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;--r-md:10px;--r-lg:14px;--shadow-sm:0 1px 2px rgba(15,60,60,.06);--shadow-md:0 6px 20px rgba(15,60,60,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);color:var(--text);background:var(--bg);min-height:100vh}button{font-family:var(--font);cursor:pointer}b{font-weight:600}.app{display:flex;flex-direction:column;min-height:100vh}.topbar{background:#ffffffdb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1080px;width:100%;margin:0 auto;gap:16px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;box-shadow:var(--shadow-md)}.brand-txt h1{font-size:20px;font-weight:700;letter-spacing:.5px}.brand-txt p{font-size:12px;color:var(--text-sub);margin-top:2px}.patient-strip{font-size:13px;color:var(--text-sub)}.patient-chip{display:inline-block;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:6px 14px;box-shadow:var(--shadow-sm)}.strip-empty{color:var(--text-faint)}.steps{display:flex;align-items:center;gap:4px;max-width:1080px;width:100%;margin:0 auto;padding:14px 20px 4px;flex-wrap:wrap}.step{border:none;background:none;display:flex;align-items:center;gap:8px;padding:6px 2px;font-size:13px;color:var(--text-faint);font-weight:500}.step:disabled{opacity:.55;cursor:default}.step.active{color:var(--primary)}.step.done{color:var(--text-sub)}.step-dot{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;border:1.5px solid var(--border-strong);color:var(--text-faint);background:var(--surface)}.step.active .step-dot{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 0 0 4px #0f766e24}.step.done .step-dot{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}.step-arrow{color:var(--text-faint);opacity:.6;margin:0 6px;font-size:14px}.view{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:20px 20px 48px}.page{animation:fadeUp .22s ease both}@keyframes fadeUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.page-head{margin-bottom:20px}.page-head h2,.page-head-with-action h2{font-size:24px;font-weight:700;letter-spacing:.5px}.page-sub{font-size:14px;color:var(--text-sub);margin-top:6px;line-height:1.6}.page-head-with-action{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-md);padding:10px 18px;font-size:14px;font-weight:600;border:1.5px solid transparent;transition:all .15s ease}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-hover)}.btn.ghost{background:var(--surface);color:var(--primary);border-color:var(--primary)}.btn.ghost:hover{background:var(--primary-soft)}.btn:disabled{opacity:.5;cursor:not-allowed}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.case-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;cursor:pointer;text-align:left;transition:all .18s ease;box-shadow:var(--shadow-sm)}.case-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-3px)}.case-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.case-scene{font-size:12px;color:var(--primary);background:var(--primary-soft);display:inline-block;padding:2px 10px;border-radius:999px;font-weight:600}.case-name{font-size:18px;font-weight:700;margin:12px 0 2px}.case-meta{font-size:12px;color:var(--text-sub);display:flex;gap:10px}.case-chief{font-size:14px;margin:12px 0 0;line-height:1.5;background:var(--surface-muted);padding:10px 12px;border-radius:var(--r-md)}.safety-box{margin-top:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px 20px;display:flex;gap:12px;align-items:flex-start}.safety-box p{font-size:13px;color:var(--text-sub);line-height:1.6}.intake-head{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:12px 16px;margin-bottom:16px;box-shadow:var(--shadow-sm);flex-wrap:wrap}.vital{display:flex;flex-direction:column;padding:4px 12px;border-left:1px solid var(--border)}.vital b{font-size:15px;font-weight:700}.vital span{font-size:11px;color:var(--text-sub)}.chat{display:flex;flex-direction:column;gap:12px;min-height:320px;margin-bottom:16px}.msg{display:flex;gap:10px;max-width:78%;animation:fadeUp .2s ease both}.msg.user{align-self:flex-end;flex-direction:row-reverse}.msg-avatar{width:32px;height:32px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}.msg.ai .msg-avatar{background:var(--primary-soft);color:var(--primary)}.msg.user .msg-avatar{background:var(--surface-muted);color:var(--text-sub)}.msg-bubble{padding:11px 14px;border-radius:var(--r-md);font-size:14px;line-height:1.65}.msg.ai .msg-bubble{background:var(--surface);border:1px solid var(--border);border-top-left-radius:4px}.msg.user .msg-bubble{background:var(--primary);color:#fff;border-top-right-radius:4px}.typing{opacity:.6}.chat-input{position:sticky;bottom:0;background:linear-gradient(180deg,transparent,var(--bg) 30%);padding-top:6px}.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.chip{border:1.5px solid var(--border-strong);background:var(--surface);color:var(--text);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:500;transition:all .14s ease}.chip:hover{border-color:var(--primary);color:var(--primary)}.ask-form{display:flex;gap:10px}.ask-input{flex:1;border:1.5px solid var(--border-strong);border-radius:var(--r-md);padding:12px 16px;font-size:14px;font-family:var(--font);background:var(--surface)}.ask-input:focus{outline:none;border-color:var(--primary)}.banner{display:flex;gap:12px;border-radius:var(--r-lg);padding:14px 16px;margin-bottom:16px;border:1.5px solid}.banner 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0;margin-top:14px}.dx-row:first-of-type{border-top:none;padding-top:0;margin-top:0}.dx-primary{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.dx-primary h3{font-size:17px;font-weight:700}.reason-list{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.reason-tag{font-size:12px;color:var(--text-sub);background:var(--surface-muted);padding:3px 10px;border-radius:999px}.ref-list{margin-top:8px;display:flex;flex-wrap:wrap;gap:8px}.ref-tag{font-size:11px;color:var(--primary);background:var(--primary-soft);padding:2px 10px;border-radius:999px;display:inline-flex;align-items:center}.dx-danger{border:1.5px solid var(--danger);background:var(--danger-soft)}.dx-danger h3{color:var(--danger)}.diff-table{width:100%;border-collapse:collapse;font-size:13.5px}.diff-table th{text-align:left;font-size:12px;color:var(--text-sub);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--border)}.diff-table td{padding:10px;border-bottom:1px solid 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p{font-size:14px;line-height:1.7}.report-dx{background:var(--primary-soft);border:1px solid rgba(15,118,110,.25);border-radius:var(--r-md);padding:12px 16px;margin:14px 0}.report-dx b{color:var(--primary)}.report-disclaimer{margin-top:20px;border-top:1px dashed var(--border-strong);padding-top:12px;font-size:12px;color:var(--text-faint);line-height:1.7}.app-footer{border-top:1px solid var(--border);background:#fffc;padding:12px 20px;display:flex;justify-content:center;gap:8px 24px;flex-wrap:wrap;font-size:12px;color:var(--text-sub)}.app-footer span{display:inline-flex;align-items:center}@media(max-width:860px){.case-grid{grid-template-columns:1fr 1fr}.msg{max-width:90%}}@media(max-width:560px){.case-grid{grid-template-columns:1fr}.step-name{display:none}.report-sheet{padding:20px}.page-head-with-action{flex-direction:column;align-items:stretch}}@media print{.topbar,.steps,.app-footer,.chat-input,.report-toolbar{display:none!important}body{background:#fff}.view{padding:0;max-width:100%}.report-sheet{box-shadow:none;border:none;padding:0}}