.wch-lab{--wch-ink:#10233f;--wch-muted:#65758b;--wch-blue:#1546d8;--wch-yellow:#ffc928;--wch-bg:#f5f8fc;--wch-border:#dfe7f1;--wch-card:#fff;--wch-green:#137a54;--wch-red:#be2f3b;--wch-orange:#b96612;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--wch-ink);max-width:1180px;margin:28px auto;background:var(--wch-bg);border:1px solid var(--wch-border);border-radius:28px;overflow:hidden;box-shadow:0 28px 70px rgba(16,35,63,.10)}
.wch-lab *{box-sizing:border-box}.wch-hero{padding:42px 44px 34px;background:linear-gradient(135deg,#0e2f88,#1546d8 62%,#2465ec);color:#fff;position:relative;overflow:hidden}.wch-hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,201,40,.14);right:-80px;top:-100px}.wch-kicker{font-size:12px;font-weight:900;letter-spacing:.16em;color:#ffd95d}.wch-hero h1{margin:6px 0 4px;font-size:clamp(36px,5vw,64px);line-height:1;font-weight:900;letter-spacing:-.04em;color:#fff}.wch-hero p{font-size:18px;margin:10px 0 20px;color:#e7efff}.wch-hero-tags{display:flex;flex-wrap:wrap;gap:8px}.wch-hero-tags span{border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);border-radius:999px;padding:7px 11px;font-size:12px;font-weight:700}.wch-tabs{display:flex;gap:8px;padding:14px 18px;background:#fff;border-bottom:1px solid var(--wch-border);overflow:auto}.wch-tab{appearance:none;border:0;border-radius:12px;background:#eef3fb;color:#27415f;padding:11px 16px;font-weight:800;cursor:pointer;white-space:nowrap}.wch-tab.is-active{background:var(--wch-yellow);color:#18233a}.wch-panel{display:none;padding:24px}.wch-panel.is-visible{display:block}.wch-grid-two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.wch-card{background:var(--wch-card);border:1px solid var(--wch-border);border-radius:20px;padding:24px;box-shadow:0 8px 24px rgba(20,50,90,.05)}.wch-card-label{font-size:11px;font-weight:900;letter-spacing:.12em;color:var(--wch-blue);margin-bottom:8px}.wch-card h2{font-size:28px;line-height:1.15;margin:4px 0 10px;letter-spacing:-.025em}.wch-card h3{font-size:21px;line-height:1.25;margin:8px 0 10px}.wch-card p{color:var(--wch-muted);line-height:1.65}.wch-label{display:block;font-size:13px;font-weight:850;margin:20px 0 8px}.wch-textarea{width:100%;resize:vertical;min-height:150px;border:1px solid #cfd9e7;border-radius:14px;padding:14px 15px;font:inherit;color:var(--wch-ink);background:#fbfdff;outline:none}.wch-textarea:focus{border-color:var(--wch-blue);box-shadow:0 0 0 3px rgba(21,70,216,.10)}.wch-action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.wch-primary,.wch-secondary,.wch-myth-button{appearance:none;border:0;border-radius:12px;padding:12px 16px;font-weight:850;cursor:pointer}.wch-primary{background:var(--wch-blue);color:#fff}.wch-primary:hover{filter:brightness(.96)}.wch-secondary{background:#edf2f8;color:#233d5e}.wch-result{min-height:330px}.wch-empty-state{height:100%;min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#7a8ca2}.wch-empty-state span{font-size:42px;line-height:1}.wch-empty-state strong{font-size:18px;color:#40546c;margin-top:10px}.wch-empty-state p{margin:4px 0}.wch-verdict{display:flex;align-items:center;justify-content:space-between;gap:12px;border-radius:14px;padding:12px 14px;margin-bottom:18px}.wch-verdict span{font-size:10px;font-weight:900;letter-spacing:.12em}.wch-verdict strong{font-size:16px}.wch-verdict.supported{background:#e7f6ef;color:var(--wch-green)}.wch-verdict.partial{background:#edf4ff;color:#245ab4}.wch-verdict.insufficient{background:#f2f4f7;color:#536070}.wch-verdict.misleading{background:#fff1df;color:var(--wch-orange)}.wch-verdict.false{background:#ffe8eb;color:var(--wch-red)}.wch-result-title{font-size:11px;font-weight:900;color:#7b8da2;text-transform:uppercase;letter-spacing:.1em}.wch-evidence-need{border-left:4px solid var(--wch-yellow);background:#fff9df;border-radius:0 12px 12px 0;padding:12px 14px;margin:18px 0;display:flex;flex-direction:column;gap:4px}.wch-evidence-need span{font-size:11px;font-weight:900;color:#795d00;text-transform:uppercase;letter-spacing:.08em}.wch-question-box{margin-top:16px;background:#f6f9fd;border-radius:14px;padding:14px 16px}.wch-question-box strong{font-size:13px}.wch-question-box ul{padding-left:18px;margin:9px 0 0;color:#4e627a}.wch-question-box p{margin:6px 0}.wch-ladder-card{margin-top:18px}.wch-ladder{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:16px 0}.wch-ladder span{display:flex;align-items:center;justify-content:center;min-height:74px;text-align:center;padding:10px;border-radius:12px;background:#edf3fb;font-size:12px;font-weight:800}.wch-ladder span:nth-child(5){background:#173eac;color:#fff}.wch-fine{font-size:12px}.wch-checklist{margin-top:18px}.wch-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.wch-mini-grid div{background:#f7f9fc;border-radius:13px;padding:14px;display:flex;flex-direction:column;gap:5px}.wch-mini-grid strong{font-size:13px}.wch-mini-grid span{font-size:12px;line-height:1.45;color:#6b7c91}.wch-meter{height:12px;border-radius:999px;background:#e9eef5;overflow:hidden;margin-top:14px}.wch-meter-fill{height:100%;background:linear-gradient(90deg,#ffd44d,#ef7d31,#bd3040);border-radius:inherit}.wch-meter-labels{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;margin-top:6px;font-size:11px;color:#7b8da2}.wch-meter-labels strong{color:#31475f}.wch-meter-labels span:last-child{text-align:right}.wch-flag-list{list-style:none;padding:0;margin:18px 0}.wch-flag-list li{border-bottom:1px solid #edf1f6;padding:11px 0;font-weight:700}.wch-flag-list li span{font-size:9px;letter-spacing:.1em;color:var(--wch-red);font-weight:900;margin-right:9px}.wch-no-hit{padding:14px;border-radius:12px;background:#eef8f3;color:#246b4e;margin:18px 0}.wch-alert{background:#fff1df;color:#8b5311;padding:12px 14px;border-radius:12px;font-weight:700}.wch-myth-wrap{max-width:860px;margin:0 auto}.wch-myth-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.wch-score{background:#eef3fb;border-radius:14px;padding:10px 14px;display:flex;flex-direction:column;min-width:100px;text-align:center}.wch-score span{font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.1em;color:#6f8197}.wch-score strong{font-size:18px}.wch-myth-category{display:inline-flex;margin-top:24px;border-radius:999px;background:#eaf0ff;color:var(--wch-blue);padding:7px 10px;font-size:11px;font-weight:900}.wch-myth-statement{font-size:clamp(24px,3vw,38px);line-height:1.24;font-weight:900;letter-spacing:-.03em;margin:20px 0}.wch-myth-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.wch-myth-button{background:#162f55;color:#fff;font-size:16px;padding:16px}.wch-myth-button:hover{background:#0f2544}.wch-myth-button.is-correct{background:#14815a}.wch-myth-button.is-wrong{background:#be2f3b}.wch-myth-button:disabled{cursor:default}.wch-feedback{margin-top:16px;border-radius:14px;background:#f3f7fc;padding:15px;line-height:1.6;color:#40546b}.wch-next{margin-top:14px}.wch-rank-card{max-width:860px;margin:14px auto 0;background:#10233f;color:#fff;border-radius:16px;padding:14px 18px;display:flex;gap:10px;justify-content:space-between;align-items:center}.wch-rank-card span{color:#9fb1c8;font-size:12px}.wch-rank-card strong{font-size:13px;text-align:right}.wch-disclaimer{margin:0 24px 24px;padding:14px 16px;border:1px dashed #cbd5e2;border-radius:14px;color:#61758d;font-size:12px;line-height:1.5;background:#fff}
@media(max-width:820px){.wch-lab{margin:16px 0;border-radius:20px}.wch-hero{padding:32px 24px}.wch-panel{padding:16px}.wch-grid-two{grid-template-columns:1fr}.wch-ladder{grid-template-columns:1fr}.wch-ladder span{min-height:auto;justify-content:flex-start}.wch-mini-grid{grid-template-columns:1fr 1fr}.wch-disclaimer{margin:0 16px 16px}.wch-card h2{font-size:24px}}
@media(max-width:520px){.wch-mini-grid{grid-template-columns:1fr}.wch-myth-head{flex-direction:column}.wch-score{align-self:stretch}.wch-myth-actions{grid-template-columns:1fr}.wch-rank-card{flex-direction:column;align-items:flex-start}.wch-rank-card strong{text-align:left}.wch-tabs{padding:10px}.wch-tab{padding:10px 12px}.wch-card{padding:18px}}
.wch-version{position:absolute;right:24px;top:18px;z-index:2;font-size:11px;font-weight:900;letter-spacing:.08em;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:6px 10px}
.wch-critical-intro{margin-bottom:18px}.wch-critical-intro-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;align-items:center}.wch-critical-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.wch-critical-metrics div{background:#f4f7fb;border-radius:14px;padding:14px;text-align:center}.wch-critical-metrics span{display:block;font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#7789a0}.wch-critical-metrics strong{display:block;margin-top:5px;font-size:14px}.wch-critical-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:18px;align-items:start}.wch-case-menu{position:sticky;top:18px}.wch-case-choice{width:100%;text-align:left;border:1px solid var(--wch-border);background:#fbfdff;border-radius:14px;padding:13px 14px;margin-top:10px;cursor:pointer;color:var(--wch-ink)}.wch-case-choice:hover{border-color:#afc2dc;background:#f6f9fd}.wch-case-choice.is-active{border-color:var(--wch-blue);box-shadow:0 0 0 2px rgba(21,70,216,.08);background:#f0f5ff}.wch-case-choice span{display:block;font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#6f8197}.wch-case-choice strong{display:block;margin-top:4px;font-size:14px;line-height:1.35}.wch-case-choice small{display:block;margin-top:5px;color:#7a8ca2}.wch-bias-library{border-top:1px solid var(--wch-border);margin-top:18px;padding-top:16px}.wch-bias-library strong{display:block;font-size:12px}.wch-link-button{appearance:none;border:0;background:none;color:var(--wch-blue);font-weight:850;padding:8px 0 0;cursor:pointer;text-align:left}.wch-case-stage{min-height:590px}.wch-case-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.wch-case-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}.wch-case-meta span{font-size:10px;font-weight:850;border-radius:999px;background:#edf3fb;color:#38516f;padding:6px 8px}.wch-case-progress{min-width:130px;text-align:right}.wch-case-progress span{display:block;font-size:10px;text-transform:uppercase;font-weight:900;letter-spacing:.08em;color:#7a8ca2}.wch-case-progress strong{font-size:18px}.wch-progress-track{height:8px;border-radius:999px;background:#e8eef6;overflow:hidden;margin:14px 0 18px}.wch-progress-fill{height:100%;background:var(--wch-blue);border-radius:inherit;transition:width .2s ease}.wch-case-opening{background:#f7f9fd;border-left:4px solid var(--wch-yellow);border-radius:0 14px 14px 0;padding:14px 16px;margin:14px 0 20px;color:#41566f;line-height:1.65}.wch-decision-label{font-size:11px;font-weight:900;letter-spacing:.1em;color:var(--wch-blue);text-transform:uppercase}.wch-decision-prompt{font-size:clamp(22px,2.6vw,31px);line-height:1.24;font-weight:900;letter-spacing:-.02em;margin:8px 0 16px}.wch-options{display:grid;gap:10px}.wch-option{width:100%;text-align:left;border:1px solid #d7e0eb;background:#fff;border-radius:14px;padding:14px 15px;cursor:pointer;color:#243b58;font:inherit;font-weight:700;line-height:1.45}.wch-option:hover{background:#f7faff;border-color:#b8c9dd}.wch-option:disabled{cursor:default}.wch-option.is-correct{background:#e9f7f0;border-color:#68b493;color:#1d654c}.wch-option.is-wrong{background:#ffedef;border-color:#db8790;color:#8d2732}.wch-reasoning-feedback{margin-top:16px;border-radius:14px;padding:15px 16px;background:#f3f7fc;color:#40546b;line-height:1.6}.wch-reasoning-feedback.is-correct{background:#edf8f3}.wch-reasoning-feedback.is-wrong{background:#fff3f4}.wch-bias-hit{display:inline-flex;margin-top:9px;border-radius:999px;padding:6px 9px;background:#ffe9ec;color:#a72d38;font-size:10px;font-weight:900;letter-spacing:.05em}.wch-case-actions{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-top:16px;flex-wrap:wrap}.wch-case-score{font-size:12px;color:#6b7d93}.wch-case-score strong{color:#1f3856}.wch-case-summary{display:grid;gap:16px}.wch-summary-score{display:grid;grid-template-columns:140px 1fr;gap:18px;align-items:center}.wch-score-ring{width:124px;height:124px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#eef3fb;border:10px solid #d8e3f3}.wch-score-ring strong{font-size:30px}.wch-score-ring span{font-size:10px;font-weight:900;color:#76889e}.wch-summary-grade h3{margin:0 0 5px}.wch-summary-grade p{margin:0}.wch-bias-review{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.wch-bias-review div{border:1px solid var(--wch-border);border-radius:13px;padding:12px}.wch-bias-review strong{display:block;font-size:12px}.wch-bias-review span{display:block;font-size:11px;color:#75869b;margin-top:4px}.wch-bias-panel{margin-top:18px}.wch-bias-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.wch-bias-item{background:#f7f9fc;border-radius:13px;padding:14px}.wch-bias-item strong{font-size:12px}.wch-bias-item p{font-size:12px;margin:5px 0 0}.wch-critical-badge{display:inline-flex;border-radius:999px;padding:6px 9px;background:#fff6d5;color:#725900;font-size:10px;font-weight:900}.wch-restart{background:#edf2f8;color:#233d5e}.wch-case-learning{margin:12px 0 0;padding-left:18px;color:#61758d}.wch-case-learning li{margin:4px 0}.wch-no-bias{padding:12px;border-radius:12px;background:#edf8f3;color:#2b6c52;font-weight:700}
@media(max-width:900px){.wch-critical-layout{grid-template-columns:1fr}.wch-case-menu{position:static}.wch-critical-intro-grid{grid-template-columns:1fr}.wch-bias-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.wch-version{position:static;display:inline-flex;margin-top:10px}.wch-critical-metrics{grid-template-columns:1fr}.wch-case-header{flex-direction:column}.wch-case-progress{text-align:left}.wch-summary-score{grid-template-columns:1fr}.wch-bias-review,.wch-bias-grid{grid-template-columns:1fr}.wch-score-ring{width:110px;height:110px}}
.wch-appraisal-intro{margin-bottom:18px}.wch-appraisal-intro-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:20px;align-items:center}.wch-appraisal-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.wch-appraisal-metrics div{background:#f4f7fb;border-radius:14px;padding:14px;text-align:center}.wch-appraisal-metrics span{display:block;font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#7789a0}.wch-appraisal-metrics strong{display:block;margin-top:5px;font-size:14px}.wch-appraisal-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:18px;align-items:start}.wch-study-menu{position:sticky;top:18px}.wch-study-choice{width:100%;text-align:left;border:1px solid var(--wch-border);background:#fbfdff;border-radius:14px;padding:13px 14px;margin-top:10px;cursor:pointer;color:var(--wch-ink)}.wch-study-choice:hover{border-color:#afc2dc;background:#f6f9fd}.wch-study-choice.is-active{border-color:var(--wch-blue);box-shadow:0 0 0 2px rgba(21,70,216,.08);background:#f0f5ff}.wch-study-choice span{display:block;font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#6f8197}.wch-study-choice strong{display:block;margin-top:4px;font-size:14px;line-height:1.35}.wch-study-choice small{display:block;margin-top:5px;color:#7a8ca2;line-height:1.35}.wch-formula-card{margin-top:18px;padding-top:16px;border-top:1px solid var(--wch-border);display:grid;gap:6px}.wch-formula-card strong{font-size:12px}.wch-formula-card span{font-size:11px;color:#6f8197;background:#f7f9fc;border-radius:8px;padding:7px 9px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.wch-appraisal-stage{min-height:610px}.wch-study-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.wch-appraisal-badge{display:inline-flex;border-radius:999px;padding:6px 9px;background:#e8f0ff;color:#1841a7;font-size:10px;font-weight:900;white-space:nowrap}.wch-abstract-box{margin:18px 0;background:#f7f9fd;border:1px solid #e2e9f2;border-radius:16px;padding:17px}.wch-abstract-box strong{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#48617e}.wch-abstract-box p{margin:8px 0 0;line-height:1.75;color:#40546b}.wch-abstract-details{margin:0 0 18px;border:1px solid var(--wch-border);border-radius:13px;background:#fafcff;overflow:hidden}.wch-abstract-details summary{cursor:pointer;font-weight:850;font-size:12px;padding:12px 14px;color:#334d6b}.wch-abstract-details p{padding:0 14px 14px;margin:0;font-size:12px;line-height:1.65;color:#61758d}.wch-appraisal-guide{margin-top:18px}.wch-domain-report{margin-top:18px}.wch-domain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.wch-domain-item{border:1px solid var(--wch-border);border-radius:13px;padding:12px}.wch-domain-item>span{font-size:11px;color:#65798f;font-weight:800}.wch-domain-item>strong{float:right;font-size:12px}.wch-domain-item>div{height:7px;background:#e9eef5;border-radius:999px;overflow:hidden;clear:both;margin-top:9px}.wch-domain-item i{display:block;height:100%;background:var(--wch-blue);border-radius:inherit}.wch-appraisal-stage .wch-summary-score{margin-bottom:18px}
@media(max-width:900px){.wch-appraisal-layout{grid-template-columns:1fr}.wch-study-menu{position:static}.wch-appraisal-intro-grid{grid-template-columns:1fr}}
@media(max-width:620px){.wch-appraisal-metrics{grid-template-columns:1fr}.wch-study-header{flex-direction:column}.wch-domain-grid{grid-template-columns:1fr}}