/* Stable entry transition across navigation; respects reduced-motion rules below. */
@keyframes page-enter{from{opacity:.7}to{opacity:1}}
main{animation:page-enter .25s ease-out}
:root{--paper:#f8f9f6;--white:#fff;--ink:#213c36;--muted:#6b7771;--line:#d9dfd8;--accent:#537957;--soft:#eaf0e8;--serif:'Songti SC','Noto Serif CJK SC','Source Han Serif SC','SimSun',serif;--sans:Inter,'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;--gutter:clamp(22px,5.5vw,90px);--max:1440px}
*{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:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed}button{border:0;background:none}img{display:block;width:100%;height:auto}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:400;line-height:1.35}p{color:var(--muted)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid #46734a;outline-offset:5px}::selection{background:#dbe7d5}.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}.section{padding-block:100px}.eyebrow{font-size:10px;letter-spacing:2px;line-height:1.6;font-weight:600;color:var(--ink)}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#69886b;margin-right:10px;vertical-align:middle}.text-link{display:inline-flex;gap:32px;align-items:center;border-bottom:1px solid var(--ink);padding:8px 0;font-size:13px}.text-link span{font-size:20px;transition:transform .25s}.text-link:hover span{transform:translate(3px,-3px)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-height:48px;padding:12px 23px;font-size:12px;letter-spacing:1px;border:1px solid transparent;transition:background .25s,transform .25s}.button:hover:not(:disabled){transform:translateY(-2px)}.button-dark{background:var(--ink);color:white}.button-dark:hover{background:#385749}.button-glass{background:#ffffff70;border-color:#ffffff6b;backdrop-filter:blur(12px)}.button-outline{border-color:var(--ink)}.button-outline:hover{background:var(--soft)}.button-disabled{background:#e1e6de;color:#64705f;border-color:#d2d9cc}.icon-button{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;transition:background .2s}.icon-button:hover{background:#d9e2d570}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-100px;left:20px;background:var(--ink);color:white;padding:10px;z-index:100}.skip:focus{top:10px}
.site-header{height:86px;display:flex;align-items:center;justify-content:space-between;gap:35px;padding-inline:var(--gutter);position:fixed;top:0;left:0;right:0;z-index:50;background:rgb(248 249 246 / 80%);backdrop-filter:blur(22px) saturate(1.2);-webkit-backdrop-filter:blur(22px) saturate(1.2);border-bottom:1px solid #ffffff6b;transition:box-shadow .3s}.site-header.scrolled{box-shadow:0 1px 12px #26382f08;border-bottom-color:#d6ded670}.brand{display:inline-flex;gap:14px;align-items:center;flex-shrink:0}.brand-symbol{font-family:var(--serif);font-size:37px;line-height:1.2}.brand>span:last-child{font-size:12px;letter-spacing:2.5px;line-height:1.5;font-weight:600}.brand small{display:block;font-size:8px;letter-spacing:2px;font-weight:400;margin-top:4px}.site-header nav{display:flex;align-items:center;gap:clamp(20px,2.7vw,42px);margin-left:auto}.site-header nav a{font-size:13px;position:relative;padding:10px 0}.site-header nav a:after{content:'';position:absolute;bottom:3px;left:0;right:0;height:1px;background:var(--ink);transform:scaleX(0);transition:transform .2s}.site-header nav a:hover:after,.site-header nav a[aria-current]:after{transform:scaleX(1)}.header-actions{display:flex;align-items:center;gap:4px}.menu-toggle{display:none}.hero{height:min(900px,100svh);min-height:680px;position:relative;overflow:hidden;background:#e1e3da}.hero-image{position:absolute;inset:0;transform:translateY(var(--hero-y,0px)) scale(1.04)}.hero-image img{height:100%;object-fit:cover;object-position:55% center}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,244,234,.68),rgba(244,244,234,.22) 34%,transparent 59%),linear-gradient(0deg,rgba(248,249,246,.94),transparent 17%)}.hero-copy{position:relative;z-index:2;padding-top:clamp(145px,19vh,220px);padding-left:var(--gutter);width:53%;transform:translateY(var(--copy-y,0px))}.hero-copy .eyebrow{font-size:9px;letter-spacing:2.5px}.hero h1{font-family:var(--serif);font-size:clamp(100px,10.3vw,157px);line-height:1.08;margin-top:22px;letter-spacing:-9px}.hero h1 span{display:block;font-family:var(--sans);font-size:14px;letter-spacing:9px;margin:13px 0 28px 5px;font-weight:500}.hero-subtitle{font-family:var(--serif);font-size:clamp(25px,2.25vw,35px);line-height:1.55;color:var(--ink);letter-spacing:3px}.hero-english{font-size:8px;letter-spacing:2px;line-height:1.8;margin-top:15px;color:#34483f}.hero-actions{display:flex;gap:12px;margin-top:30px}.hero-caption{position:absolute;z-index:3;bottom:30px;left:var(--gutter);right:var(--gutter);display:flex;justify-content:space-between;align-items:flex-end;font-size:10px;letter-spacing:1px}.hero-caption>span:nth-child(2){margin-left:auto;margin-right:60px;font-size:9px}.hero-caption small{font-size:8px;color:#55635b;letter-spacing:.5px}.hero-caption a{font-size:8px}.intro-strip{display:flex;justify-content:space-between;align-items:center;padding-block:52px;border-bottom:1px solid var(--line);gap:35px}.intro-strip>p{font-family:var(--serif);font-size:23px;line-height:1.7;color:var(--ink)}.intro-strip>p span{color:#7a867b}.intro-strip>div{font-size:12px;line-height:2;color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:40px}.section-head h2{font-family:var(--serif);font-size:clamp(27px,3vw,40px);margin-top:17px;letter-spacing:1px}.section-head .text-link{flex-shrink:0}.domain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}.domain-image{aspect-ratio:4/4.4;overflow:hidden;position:relative;background:var(--soft)}.domain-image img{height:100%;object-fit:cover;transition:transform .65s}.domain:hover img{transform:scale(1.055)}.domain-image>span{position:absolute;left:17px;top:14px;color:#fff;font-size:11px;text-shadow:0 1px 6px #000}.domain-title{display:flex;justify-content:space-between;margin-top:20px;align-items:center}.domain-title p{font-size:10px;letter-spacing:1.5px;color:var(--ink)}.domain-title>span{font-size:20px}.domain h3{font-size:22px;font-family:var(--serif);margin:8px 0 10px}.domain>p{font-size:12px;line-height:1.9}.research-section{background:#eef1eb}.section-note{font-size:11px;margin-top:-23px;margin-bottom:35px}.research-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr;gap:30px}.image-link{display:block;position:relative;overflow:hidden;background:#d7dfd2;aspect-ratio:1.45}.image-link img{height:100%;object-fit:cover;transition:transform .65s}.article-card:hover .image-link img{transform:scale(1.045)}.image-arrow{position:absolute;right:14px;bottom:14px;width:34px;height:34px;background:#f8f9f6e6;display:grid;place-items:center}.article-meta{display:flex;justify-content:space-between;gap:12px;font-size:9px;letter-spacing:.5px;margin:22px 0 13px}.article-meta>span:last-child{color:#7c8278;white-space:nowrap}.article-card h3{font-family:var(--serif);font-size:22px;line-height:1.5}.article-card h3 a:hover{color:var(--accent)}.article-card>p{font-size:12px;line-height:1.9;margin-top:13px}.article-foot{font-size:10px;color:#7a847b;margin-top:22px;display:flex;gap:18px}.featured-card .image-link{aspect-ratio:1.5}.featured-card h3{font-size:28px}.signal-section{display:grid;grid-template-columns:1fr 2.1fr;gap:80px}.signal-aside h2{font-family:var(--serif);font-size:40px;margin:23px 0;line-height:1.45}.signal-aside>p:not(.eyebrow){font-size:13px}.signal-aside .text-link{margin-top:28px}.aside-note{display:block;margin-top:36px;font-size:10px;color:#849082}.signal-row{border-top:1px solid var(--line)}.signal-row:last-child{border-bottom:1px solid var(--line)}.signal-row summary{display:flex;gap:25px;align-items:center;padding:26px 0;cursor:pointer;list-style:none}.signal-row summary::-webkit-details-marker{display:none}.signal-date{font-size:21px;min-width:65px;line-height:1.3;font-family:var(--serif)}.signal-date small{display:block;font-size:10px;color:var(--muted);font-family:var(--sans);margin-top:5px}.signal-content{flex:1;min-width:0}.signal-label{display:block;font-size:10px;color:var(--accent);margin-bottom:7px}.signal-label i{font-style:normal;color:#7a847b;margin-left:18px;font-size:9px}.signal-content strong{font-family:var(--serif);font-weight:400;font-size:21px;line-height:1.6;display:block}.signal-summary{display:block;color:var(--muted);font-size:11px;margin-top:8px}.signal-plus{font-size:25px;transition:transform .2s}.signal-row[open] .signal-plus{transform:rotate(45deg)}.signal-detail{padding:0 10px 26px 90px;font-size:13px}.signal-detail>span{display:block;color:#7a847b;font-size:10px;margin-top:14px}.signal-detail a{display:inline-block;border-bottom:1px solid var(--line);margin-top:12px;font-size:11px}.library-feature{background:#e8eee6}.library-split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px}.library-copy h2{font-family:var(--serif);font-size:40px;line-height:1.5;margin:18px 0 30px}.product-code{font-size:10px;letter-spacing:1px}.library-copy h3{font-size:22px;margin:8px 0 17px;font-family:var(--serif)}.library-copy>p:not(.eyebrow):not(.product-code){font-size:13px;line-height:2}.product-meta{display:flex;gap:15px;font-size:10px;color:var(--muted);margin:25px 0}.book-scene{position:relative;min-height:470px;display:grid;place-items:center;perspective:1100px}.book{width:275px;height:390px;background:#254a3d;color:#f4f2df;padding:27px 24px;position:relative;transform:rotate(-7deg) rotateY(-15deg);box-shadow:inset 6px 0 8px #061b1433,12px 17px 26px #26382f21;z-index:2;border-left:7px solid #193d31}.book:after{content:'';position:absolute;top:5px;bottom:2px;width:12px;right:-12px;background:repeating-linear-gradient(0deg,#d7dbcf 0,#d7dbcf 1px,#f3f2e9 1px,#f3f2e9 3px);transform:skewY(16deg);transform-origin:left;border-right:2px solid #345747}.book-top{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1px}.book-title{font-family:var(--serif);font-size:33px;line-height:1.4;margin-top:30px}.book-title>span{display:block;font-family:var(--sans);font-size:8px;letter-spacing:2px;line-height:1.6;margin-top:15px;color:#bccbb7}.book-diagram{position:absolute;right:23px;bottom:43px;display:flex;gap:7px;transform:skewY(-25deg);opacity:.6}.book-diagram i{width:28px;height:62px;border:1px solid #bccbb7}.book-diagram i:nth-child(2){height:85px}.book-diagram i:nth-child(3){height:108px}.book-diagram i:nth-child(4){height:131px}.book-bottom{position:absolute;bottom:24px;font-size:7px;letter-spacing:1px;line-height:1.8}.book-bottom span{font-size:7px;color:#c0cdbb}.book-shadow{position:absolute;bottom:15px;width:280px;height:35px;background:#45584125;filter:blur(18px);transform:rotate(-7deg)}.membership-feature{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}.membership-feature h2{font-family:var(--serif);font-size:40px;line-height:1.5;margin-top:20px}.membership-feature>div:last-child>p:first-child{font-size:18px;color:var(--ink);font-family:var(--serif);margin-bottom:16px}.membership-feature>div:last-child>p:nth-child(2){font-size:13px;line-height:2}.membership-feature .button{margin-top:25px}.membership-feature small{display:block;margin-top:16px;color:#7a847b;font-size:10px}.site-footer{background:#edf0e9;padding:65px var(--gutter) 22px}.footer-main{display:grid;grid-template-columns:2.3fr 1fr 1fr 1.25fr;gap:40px;max-width:1260px;margin:auto}.footer-main>div:first-child>p{font-size:12px;margin-top:25px;line-height:2}.footer-main h3{font-size:12px;margin-bottom:20px}.footer-main>div:not(:first-child)>a,.footer-main>div:not(:first-child)>span{display:block;font-size:11px;color:var(--muted);margin:10px 0}.footer-main a:hover{color:var(--accent)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;max-width:1260px;margin:55px auto 0;padding-top:22px;border-top:1px solid var(--line);font-size:9px;color:#6c7b6e;letter-spacing:.5px}.footer-bottom>span:nth-child(2){font-size:8px;letter-spacing:1.3px}.back-top{position:fixed;right:25px;bottom:25px;z-index:20;background:#f8f9f6e6;border:1px solid var(--line);font-size:20px;box-shadow:0 4px 20px #213c3610}.back-top[hidden]{display:none}.search-dialog{width:min(640px,calc(100% - 32px));max-height:85svh;background:var(--paper);border:1px solid var(--line);padding:30px 40px;color:var(--ink);box-shadow:0 30px 120px #172e3525}.search-dialog::backdrop{background:#18302e66;backdrop-filter:blur(8px)}.search-heading{display:flex;justify-content:space-between;align-items:center}.search-dialog h2{font-family:var(--serif);font-size:32px;margin:15px 0 25px}.search-dialog label{display:block;font-size:11px;margin-bottom:8px}.search-dialog input{width:100%;border:0;border-bottom:1px solid var(--ink);padding:14px 0;background:transparent;font-size:16px;border-radius:0}.search-status{font-size:11px;margin:20px 0}.search-result{display:block;padding:18px 0;border-top:1px solid var(--line)}.search-result:hover{background:var(--soft)}.search-result small{font-size:9px;color:var(--muted)}.search-result strong{display:block;font-weight:400;font-size:18px;font-family:var(--serif)}.search-result p{font-size:11px;margin-top:6px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:white;padding:10px 20px;font-size:12px;z-index:100;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s}.toast.visible{opacity:1;transform:translate(-50%,0)}
.page-heading{padding-top:165px;padding-bottom:65px}.page-heading h1{font-family:var(--serif);font-size:clamp(36px,4.5vw,62px);letter-spacing:1px;margin:22px 0}.page-heading>p:last-child{font-size:14px;max-width:760px;line-height:2}.listing-section{padding-bottom:100px}.editorial-note{font-size:11px;background:#edf1e9;padding:12px 18px;color:#637461}.filter-toolbar{display:flex;justify-content:space-between;align-items:center;gap:25px;border-bottom:1px solid var(--line);padding:30px 0 20px}.filters{display:flex;gap:10px;flex-wrap:wrap}.filters button{padding:7px 20px;font-size:12px;border:1px solid transparent;transition:background .2s}.filters button:hover{background:var(--soft)}.filters button.active{border-color:var(--ink);background:var(--ink);color:var(--white)}.filter-controls{display:flex;gap:15px;align-items:center}.list-search{display:flex;align-items:center;border-bottom:1px solid #acb8aa}.list-search input{border:0;background:none;width:185px;padding:7px 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.eyebrow{display:flex;align-items:center;gap:20px}.article-header h1{font-size:clamp(36px,4.6vw,64px);font-family:var(--serif);margin:22px 0}.article-subtitle{font-size:17px;line-height:1.8}.article-byline{display:flex;gap:25px;flex-wrap:wrap;align-items:center;font-size:11px;margin:28px 0 40px;color:var(--muted)}.article-byline button{margin-left:auto;font-size:11px;border-bottom:1px solid var(--line)}.article-cover img{height:440px;object-fit:cover}.reading-layout{display:grid;grid-template-columns:230px minmax(0,740px);gap:80px;padding-top:65px;justify-content:center}.table-contents{align-self:start;position:sticky;top:125px}.table-contents>a{display:flex;gap:13px;font-size:11px;border-bottom:1px solid var(--line);padding:15px 0}.table-contents>a>span{font-size:9px;color:var(--muted)}.table-contents>p:last-child{font-size:10px;margin-top:25px}.article-body{font-size:16px;line-height:2.05}.article-body p{color:#59665d}.article-notice{background:#eaf0e6;border-left:2px solid #7a9570;padding:15px 20px;font-size:11px;line-height:1.9;color:#586f50}.article-lead{font-family:var(--serif);font-size:24px;line-height:1.8;margin-top:35px;color:var(--ink)!important}.article-body>section{margin-top:50px;scroll-margin-top:110px}.chapter-num{font-size:11px;color:#8a9687!important}.article-body h2{font-family:var(--serif);font-size:28px;margin:8px 0 23px;color:var(--ink)}.article-body section p:not(.chapter-num){margin:18px 0}.research-note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:55px;padding:30px 0}.research-note h3{font-family:var(--serif);font-size:23px;margin:15px 0}.research-note>p:not(.eyebrow){font-size:12px}.reading-end{display:flex;justify-content:space-between;align-items:center;font-size:10px;margin-top:30px;gap:20px}.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.product-showcase{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding-bottom:70px}.product-showcase 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25px}.version-section>div>p{width:100%}.version-section{padding-bottom:60px}.membership-hero{padding-top:125px;grid-template-columns:1fr;gap:35px;padding-bottom:10px}.membership-hero h1{font-size:51px}.membership-hero .eyebrow{font-size:8px}.membership-hero p:not(.eyebrow){font-size:14px}.member-visual{height:330px}.benefits{grid-template-columns:1fr 1fr;gap:30px 20px}.benefit h3{font-size:23px}.benefit p{font-size:12px}.member-plan{display:block;padding-block:35px}.member-plan h2{font-size:28px}.member-plan>div:last-child{margin-top:30px}.member-plan p{font-size:12px}.faq summary{font-size:13px;gap:15px}.about-image img{height:310px;object-position:60% center}.about-image>span{font-size:8px;letter-spacing:1px;left:40px;bottom:20px}.about-text{grid-template-columns:1fr;gap:20px}.about-text h2{font-size:29px}.about-text p:not(.eyebrow){font-size:14px}.credits{margin-top:40px;font-size:12px}.search-dialog{padding:20px 24px}.search-dialog h2{font-size:27px}.search-result strong{font-size:19px}.toast{width:max-content;max-width:85vw;font-size:11px}.policy h2{font-size:25px}.policy p{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important;view-transition-name:none!important}.hero-image,.hero-copy{transform:none!important}.motion .reveal:not(.visible){opacity:1;transform:none}::view-transition-group(*){animation-duration:0s!important}}

.hero-image picture{display:block;width:100%;height:100%}
@media(max-width:760px){.hero{height:920px;min-height:920px;max-height:none;background:var(--paper)}.hero-copy{padding-top:118px;width:100%}.hero h1{font-size:94px;margin-top:18px}.hero h1 span{margin-bottom:18px}.hero-subtitle{font-size:26px}.hero-english{margin-top:12px}.hero-actions{margin-top:22px}.hero-image{top:auto;bottom:55px;height:330px;transform:none!important}.hero-image img{object-position:65% center}.hero-shade{top:auto;bottom:55px;height:330px;background:linear-gradient(180deg,var(--paper),transparent 15%,transparent 85%,var(--paper))}.hero-caption{bottom:24px}.hero-copy{transform:none!important}}

/* Editorial interaction patterns adapted to Threshold's bright visual system. */
.page-heading h1{text-wrap:balance}
.lab-heading{display:flex;justify-content:space-between;gap:45px;align-items:flex-end;margin-bottom:38px}.lab-heading h2{font-family:var(--serif);font-size:40px;line-height:1.45;margin:17px 0}.lab-heading>div>p:last-child{max-width:650px;font-size:13px;line-height:2}.lab-note{border-left:1px solid var(--line);padding-left:20px;font-size:10px;line-height:2.1;min-width:210px;color:var(--muted)}.learning-lab{border-top:1px solid var(--line);scroll-margin-top:100px}.mechanism{border:1px solid var(--line);background:#f1f4ed}.mechanism-top{display:flex;justify-content:space-between;padding:16px 26px;font-size:10px;letter-spacing:1.5px;border-bottom:1px solid var(--line)}.mechanism-tabs{display:grid;grid-template-columns:repeat(4,1fr)}.mechanism-tabs>button{position:relative;text-align:left;padding:26px;border-right:1px solid var(--line);border-bottom:2px solid transparent;transition:background .2s,border-color .2s}.mechanism-tabs>button:last-child{border-right:0}.mechanism-tabs>button:hover{background:#e7eee1}.mechanism-tabs>button[aria-selected=true]{background:#e2ebdc;border-bottom-color:var(--accent)}.mechanism-tabs>button>span{display:block;font-size:9px;letter-spacing:1px;color:var(--muted)}.mechanism-tabs strong{font-family:var(--serif);font-size:30px;font-weight:400;display:block;margin:13px 0 6px}.mechanism-tabs small{font-size:11px;color:var(--muted)}.mechanism-tabs i{position:absolute;right:23px;top:50%;font-size:21px;font-style:normal;color:var(--accent)}.mechanism-panel{padding:34px 30px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.8fr;gap:40px;min-height:225px;background:var(--paper)}.mechanism-panel h3{font-family:var(--serif);font-size:25px;margin-top:14px;line-height:1.6}.mechanism-panel>div:last-child>p{font-size:14px;line-height:2}.mechanism-panel .mechanism-check{border-top:1px dashed #c5cec0;margin-top:18px;padding-top:14px;font-size:12px!important;color:var(--ink)}.mechanism-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 26px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.mechanism-bottom>button{color:var(--ink);font-size:12px;white-space:nowrap}.mechanism-bottom>button>span{margin-left:24px}.reference-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:65px}.reference-heading{display:flex;flex-direction:column;gap:10px;margin-bottom:25px}.reference-heading h3{font-family:var(--serif);font-size:26px}.reference-heading>span{font-size:9px;letter-spacing:1.5px;color:var(--muted)}.term-reference details{border-top:1px solid var(--line)}.term-reference details:last-child{border-bottom:1px solid var(--line)}.term-reference summary{display:flex;align-items:center;gap:18px;padding:22px 0;cursor:pointer;list-style:none}.term-reference summary::-webkit-details-marker{display:none}.term-reference summary>span{font-size:10px;color:var(--muted)}.term-reference summary strong{font-family:var(--serif);font-size:22px;font-weight:400}.term-reference summary small{font-size:8px;letter-spacing:.6px;margin-left:auto;color:var(--muted)}.term-reference summary i{font-size:22px;font-style:normal;font-weight:300;transition:transform .2s}.term-reference details[open] summary i{transform:rotate(45deg)}.term-reference details>div{padding:0 0 22px 34px}.term-reference details p{font-size:13px;line-height:2}.term-reference .term-boundary{border-left:2px solid #a1b395;margin-top:13px;padding-left:13px;font-size:11px;color:var(--accent)}.research-toolkit ol{list-style:none;padding:0;margin:20px 0 10px}.research-toolkit li{display:flex;gap:20px;padding:16px 0;border-top:1px solid var(--line)}.research-toolkit li>span{font-size:10px;color:var(--muted);padding-top:3px}.research-toolkit h4{font-size:14px;font-weight:400;margin:0 0 6px}.research-toolkit li p,.toolkit-intro{font-size:12px;line-height:1.9}.research-toolkit .text-link{font-size:12px}.research-toolkit textarea:not(.sr-only){width:100%;min-height:160px;margin-top:20px;padding:15px;background:var(--paper);color:var(--ink);border:1px solid var(--line);font:inherit;font-size:12px}
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