.concept-page{max-width:1180px;margin:auto;padding:38px 28px 72px;color:#233f38}.concept-hero{position:relative;padding:38px 44px;border:1px solid #c5d9cf;border-radius:30px;background:linear-gradient(120deg,#ecf6ef,#fffaf2 60%,#f1ebfa);overflow:hidden}.concept-hero:after{content:"✳";position:absolute;right:24px;top:-44px;font-size:210px;color:#1857470d;pointer-events:none}.concept-hero>*{position:relative;z-index:1}.concept-hero h1{max-width:900px;margin:18px 0;font-size:clamp(2.15rem,4.7vw,3.9rem);line-height:1.1;text-wrap:balance}.concept-hero .intro{max-width:760px;margin:0 0 24px;font-size:1.2rem;line-height:1.65}.concept-hero .eyebrow{color:#466553;letter-spacing:.16em;font-size:.78rem;font-weight:750;margin-top:22px}.concept-date{font-size:.84rem;color:#4f625b}.concept-summary{font-size:1.1rem;line-height:1.8;padding:25px 28px;border-left:4px solid #5e7b65;background:#f5faf6;border-radius:0 16px 16px 0;margin:30px 0}.concept-summary p{margin:0}
.concept-layout{display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:42px}.concept-body{min-width:0}.concept-body section{margin:34px 0}.concept-body h2{font-size:clamp(1.5rem,2.5vw,2rem);line-height:1.25;margin-bottom:16px}.concept-body h3{font-size:1.45rem;line-height:1.25;margin:12px 0}.concept-body p{line-height:1.85;max-width:76ch}.concept-body a,.concept-summary a{color:#175847;text-decoration:underline;text-underline-offset:3px}.concept-ref{font-size:.86rem}.concept-toc{position:sticky;top:110px;align-self:start;padding:15px 0}.concept-toc strong{font-size:.72rem;letter-spacing:.13em;color:#596d63}.concept-toc a{display:block;padding:12px 0;color:#294e42;font-size:.9rem;text-decoration:none}.concept-toc a:hover{text-decoration:underline}
.concept-table-scroll{overflow-x:auto;max-width:100%;border:1px solid #ccd9d0;border-radius:17px;background:#fff}.concept-table-scroll table{width:100%;min-width:500px;border-collapse:collapse;font-size:.96rem;line-height:1.6}.concept-table-scroll th,.concept-table-scroll td{padding:16px;text-align:left;vertical-align:top;border-bottom:1px solid #dce5dd}.concept-table-scroll th{background:#e8f1e9;color:#214b3d}.concept-table-scroll tr:last-child td{border-bottom:0}.concept-scroll-hint{font-size:.86rem;color:#53665e}
.concept-explorer{padding:26px;border-radius:24px;border:1px solid #c5c0d7;background:linear-gradient(155deg,#f2ecfa,#f8f7f2)}.concept-explorer h2{margin-top:0}.concept-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:22px 0 18px}.concept-choices button{min-height:58px;min-width:0;border:1px solid #b4beb5;border-radius:13px;background:#fff;color:#23483d;font:inherit;padding:12px 9px;font-size:.91rem;font-weight:650;line-height:1.4}.concept-choices button[aria-pressed=true]{background:#28584a;color:#fff;border-color:#28584a;box-shadow:0 3px 0 #aec49e}.concept-choices button:disabled,.concept-actions button:disabled{cursor:wait;opacity:.6}.concept-case{border-radius:17px;background:#fffdf9;border:1px solid #d5ded3;padding:24px}.concept-case[hidden]{display:none}.concept-case .concept-case-label{font-size:.74rem;letter-spacing:.09em;font-weight:750;color:#687161}.concept-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:22px 0}.concept-facts div{background:#ecf4ee;border-radius:12px;padding:13px;min-width:0}.concept-facts dt{font-size:.77rem;color:#435b4c;margin-bottom:9px}.concept-facts dd{margin:0;font-size:.95rem;font-weight:650;line-height:1.5;overflow-wrap:anywhere}.concept-question{font-weight:700;color:#49456b}.concept-case details{background:#f2eefa;border:1px solid #d4c9e6;border-radius:12px;padding:0 16px}.concept-case summary{min-height:52px;display:list-item;align-content:center;padding:14px 0;cursor:pointer;font-weight:700}.concept-case details p{margin:0 0 16px}.concept-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}.concept-actions button{min-height:48px;border:1px solid #798f7a;border-radius:12px;background:#fff;color:#214e40;padding:11px 18px;font:inherit;font-size:.93rem;font-weight:650}.concept-actions button:first-child{background:#28584a;color:#fff}.concept-status{font-size:.82rem;font-weight:700;color:#51426a;min-height:1.6em;margin:18px 0 0!important}.concept-body .concept-privacy{font-size:.86rem;color:#53635b}
.concept-faq details{border-bottom:1px solid #cbd7cc}.concept-faq summary{font-weight:650;cursor:pointer;padding:17px 0;line-height:1.65}.concept-faq details p{margin-top:0}.concept-source-note{font-size:.9rem;color:#56685f}.concept-sources li{line-height:1.7;margin:10px 0;overflow-wrap:anywhere}.concept-axis-links{display:flex;flex-wrap:wrap;gap:12px}.concept-axis-links a{padding:10px 15px;border:1px solid #bacdbd;background:#f2f7f0;border-radius:999px;font-size:.9rem}.concept-discovery{max-width:1180px;padding:24px 28px;margin:20px auto 48px}.concept-discovery h2{font-size:1.5rem;line-height:1.3}.concept-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.concept-links a{display:flex;justify-content:space-between;gap:15px;align-items:center;min-height:94px;padding:20px;border:1px solid #c7d8c9;border-radius:18px;background:#f2f7f1;color:#254b3f;line-height:1.6;text-decoration:none;font-weight:600}.concept-links a:hover{background:#e4eedf;border-color:#6c9576}.concept-page :is(button,a,summary,[tabindex]):focus-visible,.concept-discovery a:focus-visible{outline:3px solid #74549d;outline-offset:4px}.concept-page .button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.concept-quick-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.concept-quick-actions>a:not(.button){padding:14px 0}.concept-loading{font-size:.9rem;color:#655577}.concept-limit{font-size:.87rem;color:#5c6b62}
@media(max-width:900px){.concept-layout{grid-template-columns:minmax(0,1fr);gap:0}.concept-toc{display:none}.concept-hero{padding:30px}.concept-links{grid-template-columns:1fr}.concept-links a{min-height:68px}}
@media(max-width:520px){.concept-page{padding:22px 16px 44px}.concept-hero{padding:24px 21px;border-radius:23px}.concept-hero h1{font-size:2.25rem}.concept-hero .intro{font-size:1.08rem}.concept-summary{padding:20px;margin:24px 0}.concept-explorer{padding:17px 14px;border-radius:20px}.concept-choices{grid-template-columns:1fr;gap:8px;margin:18px 0}.concept-choices button{min-height:48px;text-align:left;padding:12px 14px}.concept-case{padding:19px 16px}.concept-facts{grid-template-columns:1fr;gap:8px}.concept-facts div{display:grid;grid-template-columns:90px minmax(0,1fr);gap:12px;padding:12px}.concept-facts dt{margin:0;align-self:center}.concept-facts dd{font-size:.92rem}.concept-actions button{flex:1;min-width:120px}.concept-discovery{padding:15px 16px}.concept-body p{font-size:1rem}.concept-table-scroll table{font-size:.9rem}.concept-table-scroll td,.concept-table-scroll th{padding:13px}.concept-hero:after{font-size:170px;right:0}}
@media(prefers-reduced-motion:reduce){.concept-page *{scroll-behavior:auto!important}}
.concept-page .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;clip-path:inset(50%)}
.concept-breadcrumb{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:0 0 18px;font-size:.83rem}.concept-breadcrumb a{padding:8px 0;color:#3d5c50}.concept-access{font-size:.83rem;font-weight:650;color:#355b46}.concept-map{margin:24px 0 10px}.concept-map img{display:block;width:100%;height:auto;border-radius:16px}.concept-map figcaption{font-size:.8rem;line-height:1.5;color:#506258;margin-top:8px}.concept-utility{margin:24px 0;padding:0 18px;background:#edf3ed;border:1px solid #c9d8c9;border-radius:16px}.concept-utility summary{padding:17px 0;cursor:pointer;min-height:48px;font-weight:650}.concept-utility p{font-size:.91rem}.concept-date{font-size:.78rem;line-height:1.6}

.concept-breadcrumb a{display:inline-flex;min-height:44px;align-items:center}.concept-map{max-width:420px}