@charset "UTF-8";
:root{--paper:#f6f4ee;--ink:#25252b;--muted:#64636d;--line:#dcd8d0;--purple:#524878;--pale:#ebe7f0;--gold:#b69866;--white:#fffefa;--serif:Georgia,"Songti SC","Noto Serif CJK SC",serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--purple);outline-offset:4px}button:hover,a:hover{color:var(--purple)}.skip{position:absolute;top:-100px;left:20px;z-index:20;padding:12px;background:var(--white)}.skip:focus{top:10px}.masthead,main,footer,.nav{max-width:1280px;margin:auto}.masthead{display:flex;justify-content:space-between;align-items:center;padding:31px 48px 28px}.brand{display:flex;align-items:center;gap:13px;font-family:var(--serif);font-size:31px;line-height:1.1;letter-spacing:-1px}.brand-sub{display:block;font:9px var(--sans);letter-spacing:1.65px;margin-top:8px}.edition{text-align:right;font-size:12px;letter-spacing:1px}.edition>span{display:block;font-size:8px;color:var(--muted);margin-top:5px;letter-spacing:1.3px}.nav{padding:0 48px;display:flex;gap:35px;border-block:1px solid var(--line);overflow-x:auto;white-space:nowrap}.nav a{padding:16px 0 14px;font-size:13px;position:relative}.nav a[aria-current="page"]{color:var(--purple)}.nav a[aria-current="page"]:after{content:"";position:absolute;bottom:0;height:2px;background:var(--purple);left:0;right:0}main{padding:0 48px}.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:95px;padding:62px 0 55px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:1.9px;color:var(--purple);margin:0 0 21px}h1{font:clamp(35px,4vw,57px)/1.35 var(--serif);letter-spacing:-1.5px;margin:0 0 23px;font-weight:500}h1 span{color:var(--purple)}.hero-description{max-width:540px;color:var(--muted);font-size:14px;line-height:2;margin:0 0 23px}.hero-link{display:inline-flex;align-items:center;gap:36px;font-size:13px;border-bottom:1px solid var(--purple);padding-bottom:7px;color:var(--purple)}.editor-note{background:var(--pale);padding:29px 33px;border-top:2px solid var(--purple);position:relative}.note-number{font-size:9px;letter-spacing:2px;color:var(--purple)}.editor-note h2{font:28px/1.45 var(--serif);margin:16px 0 12px}.editor-note>p{font-size:12px;color:var(--muted);line-height:1.9}.evidence-chain{display:flex;list-style:none;padding:16px 0 0;margin:18px 0 0;border-top:1px solid #d5cfdf;gap:22px}.evidence-chain li{font-size:11px;flex:1}.evidence-chain span{display:block;font-family:var(--serif);font-size:18px;color:var(--purple);margin-bottom:6px}.editor-note .note-caption{font-size:10px;color:#77717f;margin:17px 0 0}.scope-strip{display:flex;align-items:center;gap:28px;border-block:1px solid var(--line);padding:13px 0;font-size:10px;letter-spacing:.5px}.scope-strip>span:first-child{color:var(--purple)}.scope-strip p{margin:0;color:var(--muted)}.scope-strip b{font-weight:400;color:var(--gold);padding:0 12px}.scope-end{margin-left:auto;color:var(--muted)}.catalog-section,.methods{padding:46px 0 50px}.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:29px}.section-heading .eyebrow{margin-bottom:9px}.section-heading h2{font:30px/1.4 var(--serif);margin:0 0 8px}.section-heading p:not(.eyebrow){font-size:12px;color:var(--muted);margin:0}.catalog-date{font-size:10px;color:var(--muted);white-space:nowrap;padding-bottom:5px}.catalog-date time{display:block;text-align:right;color:var(--ink);font-variant-numeric:tabular-nums;margin-top:3px}.filters{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:12px;background:#efede6;padding:20px}.filters label{font-size:10px;color:var(--muted);display:block;min-width:0;letter-spacing:.5px}.filters input,.filters select{height:40px;width:100%;border:1px solid #d7d2c8;border-radius:2px;background:var(--white);color:var(--ink);font-size:12px;letter-spacing:0;margin-top:6px}.filters select{padding:0 7px}.search-input{position:relative}.search-input svg{position:absolute;left:11px;top:17px;color:var(--muted)}.filters input{padding:0 10px 0 37px}.result-bar{display:flex;justify-content:space-between;align-items:center;padding:17px 0 12px;font-size:11px;color:var(--muted)}.result-bar p{margin:0}.result-bar button{border:0;background:none;font-size:11px;color:var(--muted);padding:4px 0 4px 15px}.entries{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.entry{background:var(--white);border:1px solid var(--line);padding:25px 27px;display:flex;flex-direction:column;scroll-margin-top:30px}.entry-top{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-bottom:14px}.badge{display:inline-block;font-size:9px;letter-spacing:.3px;border:1px solid #d9d4e0;background:#f3f0f6;color:var(--purple);padding:2px 7px}.badge.direct{background:#edf3ee;border-color:#d4dfd5;color:#3b6047}.badge.transferable{background:#f6f1e5;border-color:#e3d8bd;color:#785e30}.entry h3{font:23px/1.5 var(--serif);margin:0 0 8px}.entry .original-title{font:12px/1.6 Georgia,serif;color:var(--muted);margin:0 0 12px}.entry .summary{font-size:12px;line-height:1.95;margin:0 0 17px}.entry-meta{font-size:10px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;margin:0 0 12px}.entry .evidence-label{font-size:10px;color:var(--purple);margin:0 0 13px}.limitations{padding:13px 15px;background:#f6f4ef;font-size:11px;margin-bottom:14px}.limitations strong{font-size:10px;font-weight:600}.limitations ul{padding-left:16px;margin:5px 0 0;color:var(--muted)}.entry details{font-size:10px;color:var(--muted);margin-bottom:10px}.entry details summary{cursor:pointer}.entry details p{margin:7px 0}.entry-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:13px;border-top:1px solid var(--line)}.entry-links a{font-size:11px;color:var(--purple);border-bottom:1px solid #d5ccdf}.access-note{font-size:9px;color:var(--muted)}.empty-state{padding:44px 30px 48px;text-align:center;border:1px solid var(--line);background:var(--white)}.empty-state .eyebrow{font-size:9px}.empty-state h3{font:25px var(--serif);margin:17px 0}.empty-state p{font-size:12px;max-width:540px;margin:auto;color:var(--muted);line-height:1.9}.method-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 35px}.method-grid article{border-top:1px solid var(--line);padding:23px 0 20px}.method-index{font:18px var(--serif);color:var(--gold)}.method-grid h3{font:23px var(--serif);margin:13px 0 16px}.method-grid p,.method-grid dd,.method-grid dt{font-size:12px;line-height:1.95}.method-grid p,.method-grid dd{color:var(--muted)}.method-grid dt{color:var(--purple);margin-top:8px}.method-grid dd{margin-left:0}.method-footer{margin-top:22px;border-left:3px solid var(--purple);background:var(--pale);padding:20px 27px}.method-footer h3{font:21px var(--serif);margin:0 0 9px}.method-footer p{font-size:12px;color:var(--muted);margin:0;line-height:1.95}.reading-note{padding:36px 0 41px;max-width:670px;border-top:1px solid var(--line)}.reading-note .eyebrow{margin-bottom:15px}.reading-note h2{font:29px var(--serif);margin:0 0 15px}.reading-note p{font-size:12px;line-height:1.95;color:var(--muted);margin:0 0 18px}.reading-note a{font-size:12px;color:var(--purple)}footer{border-top:1px solid var(--line);padding:29px 48px 34px;display:flex;gap:35px;align-items:center}.footer-brand{font:25px var(--serif);line-height:1.3}.footer-brand span{display:block;font:9px var(--sans);color:var(--muted);margin-top:7px}footer p{font-size:9px;color:var(--muted);line-height:1.9;margin:0}.footer-domain{font-size:9px;margin-left:auto;color:var(--muted)}.noscript{max-width:1184px;margin:20px auto;padding:20px;background:var(--pale)}[hidden]{display:none!important}
@media(min-width:1500px){.hero{padding-block:70px}.hero h1{font-size:61px}}
@media(max-width:1000px){.masthead,.nav,footer{padding-inline:30px}main{padding-inline:30px}.hero{gap:35px;grid-template-columns:1.4fr 1fr}.editor-note{padding:25px}.filters{grid-template-columns:repeat(4,minmax(0,1fr))}.search-label{grid-column:1/-1}.scope-end{display:none}.entry{padding:22px}.entry h3{font-size:21px}}
@media(max-width:640px){.masthead{padding:23px 20px}.brand{font-size:28px}.brand img{width:31px;height:31px}.brand-sub{font-size:7px;letter-spacing:1.2px}.edition{font-size:10px}.edition>span{display:none}.nav{padding:0 20px;gap:25px}.nav a{font-size:12px;padding-block:13px}main{padding-inline:20px}.hero{grid-template-columns:1fr;gap:31px;padding:34px 0 30px}h1{font-size:39px;letter-spacing:-1px}.hero .eyebrow{font-size:8px;margin-bottom:18px}.hero-description{font-size:13px}.editor-note{padding:22px 24px}.editor-note h2 br{display:none}.editor-note h2{font-size:25px;margin-block:12px}.evidence-chain{gap:20px;margin-top:12px;padding-top:12px}.editor-note .note-caption{margin-top:12px}.scope-strip{display:block;padding:15px 0}.scope-strip p{font-size:10px;margin-top:4px;line-height:1.8;letter-spacing:0}.scope-strip b{padding:0 6px}.catalog-section,.methods{padding-top:31px}.section-heading{gap:14px;align-items:flex-start;margin-bottom:21px}.section-heading h2{font-size:27px}.section-heading p:not(.eyebrow){font-size:11px}.section-heading .eyebrow{font-size:8px}.catalog-date{font-size:9px;padding-top:22px}.filters{grid-template-columns:repeat(2,minmax(0,1fr));padding:15px;gap:12px}.entries{grid-template-columns:1fr;gap:14px}.entry{padding:22px 20px}.entry h3{font-size:22px}.empty-state{padding:32px 21px}.empty-state h3{font-size:23px}.method-grid{grid-template-columns:1fr}.method-footer{padding:20px}.reading-note{padding-top:29px}.reading-note h2{font-size:26px}footer{padding:24px 20px;flex-wrap:wrap;gap:17px 25px}.footer-domain{margin-left:0;width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.catalog-context{font-size:10px;line-height:1.9;color:var(--muted);margin:16px 0 0}.evidence-role{font:17px/1.5 var(--serif);margin:0 0 7px}.validation-level,.evidence-overview{font-size:11px;line-height:1.85;color:var(--muted);margin:0 0 13px}.related-links{font-size:10px;line-height:1.9;margin-top:13px;color:var(--muted)}.related-links a{display:inline-block;color:var(--purple);border-bottom:1px solid #d7cede;margin-right:13px;margin-top:5px}.research-gaps{border-top:1px solid var(--line);padding:34px 0}.gap-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:23px 30px}.gap-card{padding:20px;background:#eeece5}.gap-card h3{font:20px/1.5 var(--serif);margin:0 0 10px}.gap-card p{font-size:11px;color:var(--muted);line-height:1.95;margin:0}.optional-reference{border-top:1px solid var(--line);padding:24px 0;margin-top:25px}.optional-reference h3{font:22px var(--serif);margin:0 0 12px}.optional-reference p,.optional-reference a{font-size:12px;line-height:1.9;color:var(--muted)}.optional-reference a{color:var(--purple)}@media(max-width:640px){.gap-cards{grid-template-columns:1fr}.gap-card{padding:20px}.research-gaps .section-heading h2{font-size:24px}}