:where(.sf-block){--sf-accent:#f56559;--sf-ink:#f3f3f4;--sf-muted:#c5c5ca;--sf-soft:#a2a2aa;--sf-line:#414146;--sf-panel:#202023;--sf-subpanel:#2b2b2f;position:relative;box-sizing:border-box;display:block;max-width:100%;margin-block:1.5rem;padding:clamp(18px, 3.6vw, 30px);background:var(--sf-panel);border:1px solid var(--sf-line);border-radius:13px;color:var(--sf-ink);font-family:inherit;line-height:1.65;box-shadow:0 6px 22px rgb(0 0 0 / .12)}.sf-block *,.sf-block *::before,.sf-block *::after{box-sizing:border-box}.sf-block :is(h3,h4,h5,p,ul,ol,dl,dt,dd){margin-block-start:0}.sf-block :is(p,li,dd){color:var(--sf-muted)}.sf-block .sf-title{margin:0 0 18px;font-size:clamp(19px, 2.2vw, 25px);line-height:1.3;font-weight:750;color:var(--sf-ink);letter-spacing:-.025em}.sf-block .sf-kicker,.sf-block .sf-editor-kicker{display:block;color:#ff8c82;font-weight:800;font-size:11px;line-height:1.5;letter-spacing:1.25px;text-transform:uppercase;margin:0 0 9px}.sf-block a{color:#ff9b92;text-decoration:none}.sf-block a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}.sf-block a:focus-visible,.sf-block button:focus-visible,.sf-block input:focus-visible,.sf-block summary:focus-visible{outline:3px solid #ffbcb5;outline-offset:3px}.sf-block--callout{border-left:4px solid var(--sf-accent)}.sf-block--callout .sf-title{margin:0;font-size:19px}.sf-callout-head{display:flex;gap:12px;align-items:flex-start;margin:0 0 12px}.sf-callout-mark{flex:0 0 28px;display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;border:1px solid currentColor;border-radius:7px;font-weight:800;font-size:15px;color:var(--sf-callout-color,#ff958c)}.sf-block--callout .sf-callout-body{margin:0;font-size:15px;line-height:1.75}.sf-callout--info{--sf-callout-color:#dbdbe1;border-left-color:#aaaaaf}.sf-callout--warning,.sf-callout--limitation,.sf-callout--mistake{--sf-callout-color:#ff8b81;background:#292325}.sf-callout--tip,.sf-callout--fact{--sf-callout-color:#dfbd83;border-left-color:#dfbd83}.sf-callout--takeaway,.sf-callout--practice{--sf-callout-color:#a9d5b8;border-left-color:#88b99b}.sf-callout--significance,.sf-callout--important{--sf-callout-color:#ff958c}.sf-takeaway-list{list-style:none!important;padding:0!important;margin:0!important}.sf-takeaway-list li{position:relative;padding:11px 0 11px 29px;border-top:1px solid var(--sf-line);font-size:15px}.sf-takeaway-list li::before{content:'✓';color:#ff958c;position:absolute;left:0;top:10px;font-weight:900}.sf-definition-term{font-size:20px;font-weight:800;color:var(--sf-ink);margin:0 0 10px}.sf-definition-body{border-left:3px solid var(--sf-accent);padding:13px 17px;background:var(--sf-subpanel);border-radius:0 8px 8px 0;margin:0 0 16px!important;font-size:16px;color:var(--sf-ink)!important}.sf-definition-example{color:var(--sf-muted);font-size:14px;margin:0!important}.sf-facts-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0}.sf-fact{padding:15px;border:1px solid var(--sf-line);border-radius:9px;background:var(--sf-subpanel);min-width:0;overflow-wrap:anywhere}.sf-fact dt{margin:0 0 4px;color:var(--sf-soft);font-size:11px;letter-spacing:.7px;text-transform:uppercase;font-weight:750}.sf-fact dd{margin:0;color:var(--sf-ink);font-weight:650;font-size:15px}.sf-workflow-list{padding:0!important;list-style:none!important;margin:0!important}.sf-workflow-list li{display:flex;gap:16px;padding:0 0 21px;margin:0;position:relative}.sf-workflow-list li:last-child{padding-bottom:0}.sf-workflow-list li:not(:last-child)::after{content:'';position:absolute;left:18px;top:37px;bottom:3px;width:1px;background:var(--sf-line)}.sf-step-number{flex:0 0 38px;height:38px;display:flex;align-items:center;justify-content:center;border:1px solid #7d4746;border-radius:9px;color:#ffa49b;font-weight:800;font-size:13px;background:#312629}.sf-workflow-list h4{font-size:16px;margin:0 0 5px;color:var(--sf-ink);line-height:1.4;font-weight:750}.sf-workflow-list p{font-size:14px;margin:0;line-height:1.7}.sf-compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.sf-compare-panel{background:var(--sf-subpanel);border:1px solid var(--sf-line);border-radius:9px;padding:20px;min-width:0;overflow-wrap:anywhere}.sf-compare-panel h4{margin:0 0 11px;color:var(--sf-ink);font-size:17px;border-bottom:2px solid var(--sf-accent);padding-bottom:9px}.sf-compare-panel p{margin:0;font-size:14px}.sf-reasoning-sections{display:grid;gap:11px}.sf-reasoning-row{background:var(--sf-subpanel);border:1px solid var(--sf-line);border-radius:9px;padding:18px 20px}.sf-reasoning-row h4{margin:0 0 6px;font-size:13px;font-weight:800;color:var(--sf-ink)}.sf-reasoning-row p{margin:0;font-size:14px}.sf-reasoning-limit{border-left:3px solid var(--sf-accent);background:#302629}.sf-reference-list{margin:0!important;padding:0 0 0 23px!important}.sf-reference-list li{border-top:1px solid var(--sf-line);padding:13px 0 13px 5px;font-size:14px}.sf-reference-list li:last-child{padding-bottom:0}.sf-ref-link{font-weight:750;overflow-wrap:anywhere}.sf-ref-detail{display:block;color:var(--sf-soft);font-size:13px;margin-top:4px}.sf-related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.sf-related-card{display:flex;flex-direction:column;gap:9px;border:1px solid var(--sf-line);background:var(--sf-subpanel);border-radius:9px;padding:18px;min-width:0;text-decoration:none!important;color:var(--sf-ink)!important;transition:border-color .15s ease,transform .15s ease}.sf-related-card:hover{border-color:#f56559;transform:translateY(-2px)}.sf-related-card strong{color:var(--sf-ink);line-height:1.45;font-size:15px}.sf-related-card>span:not(.sf-related-action){color:var(--sf-muted);line-height:1.55;font-size:13px}.sf-related-action{color:#ffa39a;font-weight:750;font-size:12px;margin-top:auto}.sf-accordion-list{display:grid;gap:9px}.sf-accordion-list details{border:1px solid var(--sf-line);border-radius:9px;background:var(--sf-subpanel);padding:0 16px}.sf-accordion-list summary{cursor:pointer;font-weight:700;color:var(--sf-ink);padding:15px 25px 15px 0;position:relative;list-style:none}.sf-accordion-list summary::-webkit-details-marker{display:none}.sf-accordion-list summary::after{content:'+';position:absolute;right:0;font-size:20px;top:8px;color:#ff9b92}.sf-accordion-list details[open] summary::after{content:'−'}.sf-accordion-list details p{padding:0 0 16px;margin:0;font-size:14px}.sf-quiz-fieldset{border:0;padding:0;margin:0 0 15px;min-width:0}.sf-quiz-fieldset legend{margin-bottom:13px;color:var(--sf-ink);font-weight:650;font-size:16px}.sf-quiz-option{display:flex;gap:10px;align-items:flex-start;margin-bottom:9px;padding:13px 15px;cursor:pointer;border:1px solid var(--sf-line);border-radius:8px;background:var(--sf-subpanel);color:var(--sf-ink);font-size:14px}.sf-quiz-option:has(input:checked){border-color:#f56559;background:#30282a}.sf-quiz-option input[type='radio']{accent-color:#f56559;margin-top:4px;flex:0 0 auto}.sf-quiz-check{display:inline-block;background:#f56559;color:#251716;font-weight:800;border:0;border-radius:7px;padding:10px 18px;cursor:pointer;font:inherit;font-size:13px}.sf-quiz-check:hover{background:#ff958b}.sf-quiz-feedback{font-size:14px;font-weight:750;min-height:1em;margin:12px 0 0!important}.sf-quiz-feedback--correct{color:#bce6c8!important}.sf-quiz-feedback--incorrect,.sf-quiz-feedback--notice{color:#ffc0b8!important}.sf-quiz-explanation{margin-top:13px;padding:16px;border-radius:8px;background:var(--sf-subpanel)}.sf-quiz-explanation[hidden]{display:none!important}.sf-quiz-explanation strong{color:var(--sf-ink);font-size:14px}.sf-quiz-explanation p{font-size:14px;margin:4px 0 0}.sf-quiz-fallback{margin-top:16px;font-size:13px;color:var(--sf-muted)}.sf-quiz-fallback summary{cursor:pointer}.sf-blocks-js .sf-quiz-fallback{display:none}.sf-research-grid{margin:0;display:grid;gap:0}.sf-research-grid>div{display:grid;grid-template-columns:minmax(120px,.45fr) minmax(0,1fr);gap:14px;padding:15px 0;border-top:1px solid var(--sf-line)}.sf-research-grid dt{color:#ff9d93;font-size:13px;font-weight:700;margin:0}.sf-research-grid dd{color:var(--sf-muted);font-size:14px;margin:0;overflow-wrap:anywhere}.sf-source-link{display:inline-block;margin-top:16px;font-weight:750;font-size:13px}@media (max-width:640px){.sf-block{padding:19px 17px;border-radius:11px}.sf-facts-grid,.sf-compare-grid,.sf-related-grid{grid-template-columns:1fr}.sf-research-grid>div{grid-template-columns:1fr;gap:4px}.sf-compare-panel{padding:16px}}@media (prefers-reduced-motion:reduce){.sf-related-card{transition:none}.sf-related-card:hover{transform:none}}