@font-face{font-family:Saira;font-style:normal;font-display:swap;font-weight:500;src:url(../media/saira-vietnamese-500-normal.03mni-n3vcm12.woff2)format("woff2"),url(../media/saira-vietnamese-500-normal.12oysvxmo9uj9.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Saira;font-style:normal;font-display:swap;font-weight:500;src:url(../media/saira-latin-ext-500-normal.3-ebz02haimiq.woff2)format("woff2"),url(../media/saira-latin-ext-500-normal.0g6b8a5mx40mt.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Saira;font-style:normal;font-display:swap;font-weight:500;src:url(../media/saira-latin-500-normal.2_6r0ejk8m05-.woff2)format("woff2"),url(../media/saira-latin-500-normal.0c35w36-ch63c.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Saira;font-style:normal;font-display:swap;font-weight:600;src:url(../media/saira-vietnamese-600-normal.2p8y59e10446z.woff2)format("woff2"),url(../media/saira-vietnamese-600-normal.27owf7aj9ldi5.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Saira;font-style:normal;font-display:swap;font-weight:600;src:url(../media/saira-latin-ext-600-normal.2g23drlat6fqc.woff2)format("woff2"),url(../media/saira-latin-ext-600-normal.12u6pzqw-52_2.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Saira;font-style:normal;font-display:swap;font-weight:600;src:url(../media/saira-latin-600-normal.0tt3hzbv7dit-.woff2)format("woff2"),url(../media/saira-latin-600-normal.31-y4458t7h0o.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:PT Sans;font-style:normal;font-display:swap;font-weight:400;src:url(../media/pt-sans-cyrillic-ext-400-normal.01xgpucd5gs_6.woff2)format("woff2"),url(../media/pt-sans-cyrillic-ext-400-normal.38qb24em3pmt8.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:PT Sans;font-style:normal;font-display:swap;font-weight:400;src:url(../media/pt-sans-cyrillic-400-normal.0863i6f8r00yy.woff2)format("woff2"),url(../media/pt-sans-cyrillic-400-normal.0u_uqe88x-6sz.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:PT Sans;font-style:normal;font-display:swap;font-weight:400;src:url(../media/pt-sans-latin-ext-400-normal.2ni6x86zi2r8u.woff2)format("woff2"),url(../media/pt-sans-latin-ext-400-normal.3hn-f3j-wt__q.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:PT Sans;font-style:normal;font-display:swap;font-weight:400;src:url(../media/pt-sans-latin-400-normal.1tz18xmctctof.woff2)format("woff2"),url(../media/pt-sans-latin-400-normal.1extemh4fdq_h.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:PT Sans;font-style:normal;font-display:swap;font-weight:700;src:url(../media/pt-sans-cyrillic-ext-700-normal.2bp5olwfxgm7r.woff2)format("woff2"),url(../media/pt-sans-cyrillic-ext-700-normal.17by3s-1c9grp.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:PT Sans;font-style:normal;font-display:swap;font-weight:700;src:url(../media/pt-sans-cyrillic-700-normal.2_hvyvx_al4z7.woff2)format("woff2"),url(../media/pt-sans-cyrillic-700-normal.0mp3hvak18-xb.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:PT Sans;font-style:normal;font-display:swap;font-weight:700;src:url(../media/pt-sans-latin-ext-700-normal.22mym2a0xdfk3.woff2)format("woff2"),url(../media/pt-sans-latin-ext-700-normal.41x6e1yfnaq5a.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:PT Sans;font-style:normal;font-display:swap;font-weight:700;src:url(../media/pt-sans-latin-700-normal.30h45y2yzq_90.woff2)format("woff2"),url(../media/pt-sans-latin-700-normal.37sk4hobzn7u1.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
*{box-sizing:border-box}:root{--navy:#124d75;--ink:#102b3a;--pale:#dceffb;--rose:#a72c64;--reading:22px}html[data-reading=large]{--reading:26px}body{color:var(--ink);font-family:PT Sans,sans-serif;font-size:var(--reading);background:#fff;margin:0;line-height:1.65}h1,h2,h3,.wordmark,.footer-brand{letter-spacing:-.025em;overflow-wrap:anywhere;font-family:Saira,sans-serif;font-weight:500;line-height:1.2}h1{color:var(--navy);margin:18px 0 30px;font-size:55px}h2{margin:0 0 24px;font-size:37px}h3{margin:0 0 22px;font-size:28px}p{margin:0 0 26px}a{color:var(--navy);text-underline-offset:4px;overflow-wrap:anywhere;text-decoration:underline;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit;font-size:20px}button{border:1px solid var(--navy);color:var(--navy);cursor:pointer;background:#fff;min-height:48px;padding:10px 18px;line-height:1.4}button:hover{background:var(--pale)}button[aria-pressed=true]{background:var(--navy);color:#fff}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,[tabindex="-1"]:focus{outline:3px solid var(--rose);outline-offset:4px}main:focus{outline:none}[id]{scroll-margin-top:28px}.skip-link{z-index:10;background:#fff;padding:12px;position:absolute;top:-100px;left:20px}.skip-link:focus{top:12px}.shell{max-width:1260px;margin-inline:auto;padding-inline:50px}.masthead{border-bottom:3px solid var(--rose);justify-content:space-between;align-items:center;gap:32px;padding:30px 0 24px;display:flex}.wordmark{font-size:43px;font-weight:600;text-decoration:none}.masthead p{margin:0;font-size:19px;line-height:1.5}.primary-nav{justify-content:space-between;align-items:center;gap:24px;padding:18px 0 12px;display:flex}.primary-nav a{align-items:center;min-height:48px;font-size:21px;display:flex}.primary-nav button{flex-shrink:0}.network-note{margin:12px 0 0;font-size:18px;line-height:1.55}.eyebrow{color:var(--rose);margin-bottom:18px;font-size:18px;font-weight:700;line-height:1.5}.small{font-size:18px;line-height:1.6}.opening{padding:58px 0 24px}.opening h1{max-width:980px;font-size:59px}.opening>p:not(.eyebrow){max-width:860px}.page-heading{max-width:1040px;padding:48px 0 30px}.page-heading>p:not(.eyebrow){max-width:860px}.permanent-scope{border-left:3px solid var(--rose);font-size:var(--reading);margin-top:32px;padding-left:24px}.evidence-record{margin:38px 0 74px}.record-heading{border-top:2px solid var(--navy);padding:22px 0 4px}.record-heading h2{max-width:1000px;font-size:38px}.record-heading .eyebrow{margin-bottom:14px}.evidence-pair{grid-template-columns:minmax(0,38fr) minmax(0,62fr);align-items:stretch;gap:50px;display:grid}.mechanism-field,.outcome-field{padding:27px 28px 30px}.mechanism-field{background:var(--navy);color:#fff}.outcome-field{background:var(--pale)}.evidence-pair h3{font-size:29px}.evidence-pair p,.evidence-boundary p{font-size:var(--reading);margin-bottom:0}.mechanism-field a{color:#fff}.mechanism-field :focus-visible{outline-color:#fff}.evidence-boundary{border-top:3px solid var(--rose);margin-top:28px;padding:22px 0 0}.evidence-boundary p{max-width:1040px}.evidence-boundary h3{font-size:28px}.record-references{grid-template-columns:1fr 1fr;gap:50px;padding-top:30px;display:grid}.record-references h3{font-size:25px}.record-references a{min-height:48px;padding:10px 0;font-size:21px;display:block}.return-link,.reading-link{align-items:center;min-height:48px;padding:12px 0;font-size:21px;display:inline-flex}.return-link{margin-top:22px}.home-page .record-references{max-width:870px;display:block}.source-directory{border-block:1px solid #91a9b8;margin:36px 0 56px;padding:30px 0 34px}.source-directory h2{font-size:33px}.source-directory>p{max-width:850px}.source-directory>div{grid-template-columns:1fr 1fr;gap:16px 50px;display:grid}.source-directory a{min-height:48px;padding:10px 0;font-size:21px;display:block}.home-section{margin:68px 0}.home-section>h2{max-width:880px;font-size:43px}.home-section>p{max-width:850px}.providers{border-top:4px solid var(--navy);padding-top:30px}.reading-list{margin:26px 0}.reading-item{border-bottom:1px solid #91a9b8;grid-template-columns:170px minmax(0,1fr);gap:34px;padding:30px 0;display:grid}.reading-item>.eyebrow{padding-top:7px}.reading-item h2{max-width:860px;font-size:33px}.reading-item p:last-child{max-width:820px;margin-bottom:0}.publication-note{border-left:3px solid var(--rose);margin:70px 0 42px;padding-left:24px;font-size:22px}.article-page{max-width:1220px}.article-heading{border-bottom:4px solid var(--navy);margin-bottom:44px;padding:42px 0 30px}.article-heading>a{font-size:20px}.article-heading>.eyebrow{margin-top:28px}.article-heading h1{font-size:49px}.article-heading>p:not(.eyebrow){max-width:900px}.article-heading .research-label{font-size:18px}.article-reading{max-width:810px;margin-inline:auto}.article-intro,.article-intro p,.article-section p,.article-section li,.takeaway p{font-size:var(--reading)}.promotion{border:1px solid var(--rose);margin:38px 0}.promotion-label{background:var(--navy);color:#fff;font-size:var(--reading);margin:0;padding:18px 28px;line-height:1.5}.promotion-body{padding:28px}.promotion h2{font-size:32px}.promotion-body p{font-size:var(--reading)}.promotion-actions{flex-direction:column;align-items:flex-start;gap:10px;margin:22px 0;display:flex}.promotion-actions a{align-items:center;min-height:48px;font-size:22px;display:flex}.disclosure-link{font-size:19px}.contents{border-block:1px solid #91a9b8;margin:40px 0;padding:25px 0}.contents h2{font-size:29px}.contents nav{flex-direction:column;gap:8px;display:flex}.contents a{min-height:44px;padding:8px 0;font-size:21px;display:block}.takeaway{margin:44px 0}.takeaway h2{font-size:31px}.article-section{margin:48px 0}.article-section h2{border-top:2px solid var(--navy);padding-top:20px;font-size:35px}.article-section ul,.article-section ol{padding-left:26px}.article-sources{border-top:3px solid var(--navy);margin-top:54px;padding-top:28px}.article-sources h2,.related-reading h2{font-size:31px}.article-sources ol{padding-left:27px}.article-sources li{margin-bottom:26px;font-size:21px}.article-sources span{margin-top:9px;font-size:18px;display:block}.related-reading{margin-top:48px}.related-reading a{min-height:48px;padding:12px 0;font-size:22px;display:block}.reading-page{max-width:1170px}.policy-copy{max-width:960px}.policy-copy section{margin:44px 0}.policy-copy section h2{font-size:33px}.policy-copy section p{font-size:var(--reading)}.source-register{max-width:930px}.source-register section{border-top:2px solid var(--navy);margin:28px 0;padding:26px 0}.source-register h2{font-size:33px}.source-register h3{margin-top:27px;font-size:27px}.source-register li{margin:17px 0;font-size:21px}.source-register ul{padding-left:26px}.library-controls{grid-template-columns:1.5fr 1fr;gap:22px;margin:24px 0;display:grid}.library-controls label{margin-bottom:8px;font-size:21px;display:block}.library-controls input,.library-controls select{width:100%;min-width:0;height:56px;color:var(--ink);border:1px solid var(--navy);background:#fff;padding:10px 12px}.library-controls button{grid-column:1/-1;justify-self:start}.site-footer{margin-top:72px;padding-top:35px;padding-bottom:30px}.site-footer:before{content:"";border-top:5px solid var(--navy);margin-bottom:34px;display:block}.footer-intro{grid-template-columns:1fr 1.7fr;gap:50px;display:grid}.footer-brand{color:var(--navy);font-size:35px}.footer-intro>p:last-child{font-size:22px}.footer-groups{grid-template-columns:1fr 1fr 1fr;gap:42px;margin:28px 0 38px;display:grid}.footer-groups h2{font-size:24px}.footer-groups a{min-height:48px;padding:8px 0;font-size:20px;display:block}.site-footer>.small{border-top:1px solid #91a9b8;max-width:1040px;padding-top:23px}@media (max-width:900px){.evidence-pair{display:block}.mechanism-field{margin-bottom:24px}.record-references{gap:32px}.shell{padding-inline:32px}.opening h1{font-size:51px}.primary-nav{flex-wrap:wrap;justify-content:flex-start;gap:10px 28px}.reading-item{grid-template-columns:130px minmax(0,1fr);gap:24px}.footer-intro{grid-template-columns:1fr 1.5fr;gap:32px}}@media (max-width:600px){.shell{padding-inline:24px}.masthead{padding-top:24px;display:block}.wordmark{font-size:36px}.masthead p{margin-top:12px;font-size:19px}.masthead br{display:none}.primary-nav{gap:6px 24px;padding-block:16px 10px}.primary-nav a{font-size:20px}.primary-nav a:nth-child(2){flex-basis:100%;order:3}.primary-nav .text-size{order:4;margin-top:8px}.network-note{font-size:18px}.opening{padding-top:38px}.opening h1{font-size:41px}.desktop-break{display:none}h1{font-size:40px}h2{font-size:32px}h3{font-size:27px}.page-heading{padding-top:38px}.permanent-scope{padding-left:18px}.evidence-record{margin:28px 0 50px}.record-heading h2{font-size:32px}.record-heading{padding-top:22px}.mechanism-field,.outcome-field{padding:22px 18px 26px}.evidence-pair h3{font-size:27px}.evidence-boundary{margin-top:24px;padding-top:22px}.evidence-boundary h3{font-size:27px}.record-references{padding-top:28px;display:block}.record-references h3{font-size:26px}.record-related{margin-top:28px}.record-references a,.source-directory a{font-size:21px}.source-directory{margin-block:28px 42px}.source-directory>div{display:block}.source-directory h2{font-size:30px}.home-section{margin-block:48px}.home-section>h2{font-size:35px}.reading-item{padding:27px 0;display:block}.reading-item>.eyebrow{margin-bottom:14px;padding:0}.reading-item h2{font-size:30px}.publication-note{padding-left:18px}.article-heading{margin-bottom:32px;padding-top:32px}.article-heading h1{font-size:39px}.promotion-label{padding:17px 20px}.promotion-body{padding:24px 20px}.promotion h2{font-size:29px}.article-section h2{font-size:32px}.source-register h2{font-size:30px}.library-controls{display:block}.library-controls>div{margin-bottom:22px}.footer-intro,.footer-groups{display:block}.footer-groups nav{margin-bottom:28px}.site-footer{margin-top:46px}.footer-intro>p:last-child{font-size:22px}.footer-brand{font-size:33px}}@media (max-width:359px){.shell{padding-inline:20px}.wordmark{font-size:34px}.opening h1{font-size:37px}h1,.article-heading h1{font-size:36px}.record-heading h2{font-size:31px}.mechanism-field,.outcome-field{padding-inline:16px}.promotion-label,.promotion-body{padding-inline:17px}.primary-nav{gap:8px 18px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}