:root{--ink:#002638;--ink-soft:#28485b;--cyan:#4ec5db;--cyan-pale:#e6f7fa;--green:#4fbe95;--line:#dce3e8;--summary:#d0d7e1;--canvas:#fff;--subtle:#f7f9fa}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;color:var(--ink);background:var(--canvas);font:16px/1.6 Arial,"Segoe UI",sans-serif}
button,input{font:inherit}
button{cursor:pointer}
a{color:inherit}
svg{display:block}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--green);outline-offset:3px}
.skip-link{position:absolute;z-index:99;left:16px;top:-80px;padding:10px 15px;background:#fff;border:2px solid var(--ink);border-radius:5px}
.skip-link:focus{top:12px}
.site-header{position:relative;z-index:10;background:#fff;border-bottom:1px solid #cbd5dd}
.header-inner{max-width:1448px;margin:auto;min-height:80px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.audience{width:90px;min-height:68px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;text-decoration:none;font-size:14px;font-weight:700;line-height:1.1}
.audience svg{height:27px;width:27px;color:var(--green)}
.wordmark{display:inline-flex;align-items:baseline;white-space:nowrap;text-decoration:none;font-size:37px;font-weight:600;letter-spacing:-2px;line-height:1}
.wordmark-light{color:var(--cyan)}
.wordmark-paw{width:20px;height:20px;margin:0 1px 0 3px;color:var(--green);transform:translateY(4px);flex:none}
.header-actions{justify-self:end;display:flex;gap:34px;align-items:center}
.header-action{min-width:42px;min-height:58px;padding:5px;border:0;background:none;color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;text-decoration:none;font-size:14px;line-height:1.1}
.header-action svg{width:25px;height:25px}
.header-action:hover,.audience:hover{color:#005070}
.site-menu{position:absolute;right:max(24px,calc((100% - 1448px)/2));top:100%;width:min(430px,calc(100vw - 32px));padding:20px;background:white;box-shadow:0 18px 44px #00263825;border:1px solid var(--line);border-radius:0 0 9px 9px}
.site-menu[hidden]{display:none}
.menu-inner{display:grid;gap:14px}
.menu-home{font-weight:700;text-decoration:none;padding:5px 0}
.menu-links{display:grid;gap:0}
.menu-links a{padding:9px 0;border-top:1px solid var(--line);text-decoration:none}
.menu-links a:hover,.menu-home:hover{color:#005070;text-decoration:underline}
.sectionbar{height:56px;background:linear-gradient(0deg,#294878,var(--ink))}
.sectionbar-inner{max-width:1448px;height:100%;margin:auto;display:flex;align-items:center}
.sectionbar-book{width:39px;height:35px;color:#fff;stroke-width:1.45}
.breadcrumb{height:34px;font-size:12px;color:var(--ink)}
.breadcrumb-inner{max-width:1448px;margin:auto;height:100%;display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden}
.breadcrumb a{text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb svg{width:7px;height:10px;flex:none}
.breadcrumb span{overflow:hidden;text-overflow:ellipsis;color:#536980}
.home-main{min-height:calc(100vh - 230px)}
.home-hero{max-width:1050px;margin:auto;padding:88px 28px 78px;text-align:center}
.eyebrow{margin:0 0 14px;color:#005070;text-transform:uppercase;font-weight:700;font-size:12px;letter-spacing:.14em}
.home-hero h1{margin:0;font-size:clamp(38px,3.7vw,54px);letter-spacing:-.035em;line-height:1.12;font-weight:500}
.hero-intro{max-width:665px;margin:22px auto 47px;color:var(--ink-soft);font-size:19px;line-height:1.55}
.search-form{text-align:left;max-width:880px;margin:auto}
.search-form label{display:block;margin-bottom:10px;font-weight:700;font-size:14px}
.search-field{height:72px;border:2px solid #b8c9d3;border-radius:7px;background:white;display:flex;align-items:center;box-shadow:0 12px 34px #0026380b;transition:border-color .15s}
.search-field:focus-within{border-color:#005070}
.search-field>svg{width:27px;height:27px;flex:none;margin-left:21px;color:#005070}
.search-field input{min-width:0;width:100%;height:100%;padding:0 17px;border:0;background:transparent;color:var(--ink);font-size:20px;outline:none}
.search-field input::placeholder{color:#6d8290}
.search-field button{height:56px;min-width:105px;margin-right:7px;border:0;border-radius:4px;background:var(--ink);color:#fff;font-weight:700}
.search-field button:hover{background:#005070}
.home-index{max-width:980px;margin:0 auto 118px;padding:44px 28px 0;border-top:1px solid var(--line)}
.index-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:31px}
.index-head .eyebrow{margin-bottom:6px}
.index-head h2{margin:0;font-size:31px;line-height:1.25;font-weight:600}
.result-count{margin:0 0 5px;color:#4a6474;font-size:14px}
.alpha-list{display:grid;gap:28px}
.alpha-group{display:grid;grid-template-columns:68px 1fr;gap:20px}
.alpha-group[hidden]{display:none}
.alpha-group h2{margin:0;padding-top:8px;color:#005070;font-size:32px;font-weight:500}
.alpha-group ul{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.alpha-group li{border-bottom:1px solid var(--line)}
.alpha-group li[hidden]{display:none}
.alpha-group li a{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 10px 18px 0;text-decoration:none}
.alpha-group li a:hover strong{text-decoration:underline;text-decoration-color:var(--green);text-underline-offset:4px}
.alpha-group strong{display:block;font-size:19px;font-weight:600}
.alpha-group small{display:block;color:#526b7a;font-size:14px;margin-top:3px}
.alpha-group svg{width:20px;height:20px;flex:none;color:#005070}
.no-results{padding:25px;background:var(--cyan-pale);border-left:4px solid var(--cyan)}
.article-layout{max-width:1008px;margin:39px auto 110px;display:grid;grid-template-columns:minmax(0,640px) 256px;gap:112px;align-items:start}
.article-main{min-width:0}
.article-head h1{font-weight:500;font-size:36px;line-height:1.21;letter-spacing:-.025em;margin:0 0 23px}
.byline{border-top:1px solid #c8d2dc;border-bottom:1px solid #c8d2dc;padding:12px 8px 11px;display:flex;justify-content:space-between;align-items:end;gap:20px;min-height:70px}
.byline strong,.byline span{display:block}
.byline strong{font-weight:500}
.byline span,.byline-date{font-size:14px;color:#42586e}
.byline span{margin-top:4px}
.byline-date{white-space:nowrap}
.utilities{display:flex;gap:8px;margin:23px 0 39px}
.utility{width:34px;height:34px;padding:6px;display:grid;place-items:center;border:1px solid var(--ink);border-radius:50%;background:white;color:var(--ink);text-decoration:none}
.utility:hover{background:var(--cyan-pale);border-color:#005070}
.utility svg{width:19px;height:19px}
.summary{padding:24px 24px 28px;background:var(--summary);border-radius:7px;scroll-margin-top:20px}
.summary h2{font-size:29px;line-height:1.2;margin:0 0 17px;font-weight:600}
.summary h3{font-size:22px;line-height:1.25;margin:0 0 10px;font-weight:600}
.summary-group+.summary-group{margin-top:26px}
.summary ul{margin:0;padding-left:38px}
.summary li{padding-left:0;margin-bottom:9px;line-height:1.55}
.citation{white-space:nowrap;color:#005070;font-weight:700;text-decoration:none;font-size:.88em}
.citation:hover{text-decoration:underline}
.article-section{padding-top:23px;margin-top:34px;border-top:1px solid var(--line);scroll-margin-top:20px}
.article-section h2{margin:0 0 15px;font-size:27px;line-height:1.3;font-weight:600}
.article-section h3{margin:25px 0 8px;font-size:20px;line-height:1.35;font-weight:600}
.article-section h2+h3{margin-top:0}
.article-section p,.article-section li{line-height:1.72}
.article-section p{margin:0 0 18px}
.article-section ul{margin:0 0 20px;padding-left:30px}
.article-section li{margin-bottom:8px}
.article-section a:not(.citation){color:#005070;text-decoration-thickness:1px;text-underline-offset:2px}
.sources ol{padding-left:27px}
.sources li{overflow-wrap:anywhere}
.sources .original-source,.sources .review-note{font-size:14px;color:#42586e}
.sources .review-heading{font-size:20px;margin:30px 0 12px}
.review-meta{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;margin:0 0 19px;font-size:14px}
.review-meta div{padding:9px 0;border-top:1px solid var(--line)}
.review-meta dt{font-weight:700;color:var(--ink)}
.review-meta dd{margin:2px 0 0;color:#42586e}
.sources .review-note{padding:14px 17px;background:var(--cyan-pale);border-left:3px solid var(--cyan)}
.change-log{padding-left:27px}
.toc{position:sticky;top:18px;align-self:start;max-height:calc(100vh - 36px);border:1px solid #dfe5e9;border-radius:7px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.toc-heading{flex:none;display:flex;gap:8px;align-items:center;height:52px;padding:0 14px;background:var(--ink);color:#fff;font-weight:700;font-size:15px}
.toc-heading svg{width:16px;height:16px}
.toc-links{overflow-y:auto;scrollbar-color:#9ca8ae #f5f7f8}
.toc-links a{display:block;padding:13px 15px;border-bottom:1px solid var(--line);font-size:14px;line-height:1.45;text-decoration:none}
.toc-links a:last-child{border-bottom:0}
.toc-links a:hover{background:var(--cyan-pale)}
.toc-links a.active{border-left:4px solid var(--green);padding-left:11px;background:#f8fcfc}
.mobile-toc{display:none}
.related{margin:60px 0 0;padding:23px 0;border-top:1px solid var(--line)}
.related h2{font-size:25px;margin:0 0 12px}
.related-links{display:grid;gap:7px}
.related-links a{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none}
.related-links a:hover{text-decoration:underline}
.related-links svg{width:19px;height:19px;color:#005070}
.legal-main{max-width:820px;min-height:calc(100vh - 390px);margin:75px auto 110px;padding:0 28px}
.legal-main h1{margin:0 0 8px;font-size:clamp(36px,4vw,50px);font-weight:500;line-height:1.16;letter-spacing:-.035em}
.legal-date{margin:0 0 30px;color:#526b7a;font-size:14px}
.legal-lead{font-size:20px;line-height:1.55;color:var(--ink-soft);margin:0 0 45px}
.legal-section{padding:22px 0;border-top:1px solid var(--line)}
.legal-section h2{font-size:25px;margin:0 0 13px;line-height:1.25}
.legal-section p{margin:0 0 15px;line-height:1.72}
.legal-section a,.cookie-dialog a{color:#005070;text-underline-offset:2px}
.legal-section code{font-family:Consolas,monospace;font-size:.9em;overflow-wrap:anywhere}
.text-button{border:0;background:none;padding:0;text-decoration:underline;text-underline-offset:2px;color:#005070}
.table-scroll{overflow-x:auto;margin:18px 0}
.legal-section table{width:100%;border-collapse:collapse;text-align:left;font-size:15px}
.legal-section th,.legal-section td{padding:11px 12px;border:1px solid var(--line);vertical-align:top}
.legal-section th{background:var(--subtle)}
.site-footer{margin-top:auto;background:var(--ink);color:white}
.footer-inner{max-width:1448px;margin:auto;min-height:180px;padding:35px 0;display:grid;grid-template-columns:1fr auto;gap:25px 45px;align-items:start}
.footer-inner strong{font-size:21px;font-weight:600}
.footer-inner p{margin:6px 0 0;color:#c9d9df;font-size:14px}
.footer-inner nav{display:flex;gap:29px;flex-wrap:wrap;align-self:start;padding-top:7px}
.footer-inner nav a,.footer-inner nav button{color:white;text-decoration:none;font-size:14px;background:none;border:0;padding:0;line-height:1.6}
.footer-inner nav a:hover,.footer-inner nav button:hover{text-decoration:underline;text-decoration-color:var(--green);text-underline-offset:4px}
.footer-inner .footer-status{grid-column:1/-1;margin:0;padding-top:17px;border-top:1px solid #ffffff38;font-size:12px}
.cookie-banner{position:fixed;z-index:40;bottom:0;left:0;right:0;background:#fff;border-top:4px solid var(--green);box-shadow:0 -10px 35px #0026382a}
.cookie-banner[hidden]{display:none}
.cookie-banner-inner{max-width:1200px;margin:auto;padding:23px 28px;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cookie-banner h2{margin:0 0 6px;font-size:20px}
.cookie-banner p{margin:0;max-width:680px;font-size:14px;line-height:1.5}
.cookie-banner p a{color:#005070}
.cookie-banner-actions,.cookie-dialog-actions{display:flex;gap:10px;flex:none}
.cookie-banner-actions button,.cookie-dialog-actions button{min-height:44px;padding:9px 17px;border:2px solid var(--ink);border-radius:4px;background:#fff;color:var(--ink);font-size:14px;font-weight:700}
.cookie-banner-actions button:last-child,.cookie-dialog-actions button:last-child{background:var(--ink);color:#fff}
.cookie-banner-actions button:hover,.cookie-dialog-actions button:hover{border-color:#005070;box-shadow:0 0 0 2px var(--cyan-pale)}
.cookie-dialog{width:min(520px,calc(100vw - 28px));border:1px solid var(--line);border-top:5px solid var(--green);border-radius:6px;padding:26px 29px;box-shadow:0 20px 60px #00263840;color:var(--ink)}
.cookie-dialog::backdrop{background:#00263880}
.cookie-dialog h2{margin:0 42px 12px 0;font-size:24px}
.cookie-dialog p{line-height:1.6;margin:0 0 17px}
.cookie-dialog p:last-child{margin:18px 0 0;font-size:14px}
.dialog-close{position:absolute;top:18px;right:18px;width:32px;height:32px;border:0;background:none;color:var(--ink)}
.dialog-close svg{width:22px;height:22px}
.toast{position:fixed;z-index:30;left:50%;bottom:28px;transform:translate(-50%,30px);padding:10px 16px;border-radius:5px;background:var(--ink);color:white;box-shadow:0 6px 22px #0003;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:1600px){.article-layout{margin-left:calc(50% - 356px);margin-right:0}}
@media(max-width:1500px){.header-inner,.breadcrumb-inner,.sectionbar-inner,.footer-inner{padding-left:28px;padding-right:28px}.article-layout{margin-left:auto;margin-right:auto}}
@media(max-width:1100px){.article-layout{max-width:920px;grid-template-columns:minmax(0,1fr) 240px;gap:48px;padding:0 26px}.toc{top:16px}}
@media(max-width:760px){.header-inner{grid-template-columns:75px 1fr auto;min-height:70px;padding:0 16px;gap:5px}.audience{width:70px;min-height:58px;font-size:11px}.audience svg{width:23px;height:23px}.wordmark{justify-self:center;font-size:clamp(19px,4.7vw,30px);letter-spacing:-1.4px}.wordmark-paw{width:14px;height:14px;margin:0 0 0 2px;transform:translateY(3px)}.header-actions{gap:5px}.header-action{min-width:35px;min-height:52px;font-size:10px}.header-action svg{width:22px;height:22px}.sectionbar{height:36px}.sectionbar-inner{padding:0 18px}.sectionbar-book{width:27px;height:24px}.breadcrumb-inner{padding:0 18px}.home-hero{padding:72px 20px 62px}.home-hero h1{font-size:clamp(36px,8vw,50px)}.hero-intro{font-size:17px;margin:21px auto 35px}.home-index{margin-bottom:75px;padding:35px 20px 0}.article-layout{display:block;margin:31px auto 70px;padding:0 20px;max-width:700px}.article-head h1{font-size:31px}.toc{display:none}.mobile-toc{display:block;position:sticky;top:0;z-index:7;margin:0 0 28px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:4px;box-shadow:0 5px 18px #00263814}.mobile-toc summary{display:flex;align-items:center;gap:8px;min-height:46px;padding:7px 12px;font-size:14px;font-weight:700;cursor:pointer}.mobile-toc summary svg{width:17px;height:17px}.mobile-toc nav{max-height:48vh;overflow:auto;border-top:1px solid var(--line)}.mobile-toc nav a{display:block;padding:9px 13px;border-bottom:1px solid var(--line);text-decoration:none;font-size:14px}.mobile-toc nav a:last-child{border-bottom:0}.footer-inner{padding:32px 20px;grid-template-columns:1fr}.footer-inner nav{gap:13px 24px}.footer-inner .footer-status{grid-column:1}.site-menu{right:16px}}
@media(max-width:760px){.cookie-banner-inner{display:block;padding:18px 20px}.cookie-banner-actions{margin-top:18px}.legal-main{margin:54px auto 75px;padding:0 20px}}
@media(max-width:540px){.header-inner{grid-template-columns:60px 1fr auto}.audience{width:60px}.wordmark{font-size:clamp(18px,4.6vw,23px);letter-spacing:-1px}.header-actions{gap:1px}.header-action{min-width:30px}.search-field{height:64px}.search-field>svg{margin-left:15px;width:23px;height:23px}.search-field input{font-size:17px;padding:0 10px}.search-field button{height:50px;min-width:66px;font-size:14px}.home-hero{padding-top:74px}.alpha-group{grid-template-columns:34px 1fr;gap:13px}.alpha-group h2{font-size:27px}.alpha-group strong{font-size:17px}.index-head h2{font-size:27px}.byline{align-items:start;flex-direction:column;gap:6px}.utilities{margin-bottom:29px}.summary{padding:21px 19px}.summary h2{font-size:27px}.summary h3{font-size:20px}.summary ul{padding-left:28px}.article-section h2{font-size:25px}.review-meta{grid-template-columns:1fr}}
@media(max-width:540px){.cookie-banner-actions,.cookie-dialog-actions{flex-direction:column}.cookie-banner-actions button,.cookie-dialog-actions button{width:100%}.cookie-dialog{padding:23px 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{body{font-size:11pt;color:#000}.site-header,.breadcrumb,.sectionbar,.utilities,.toc,.mobile-toc,.related,.site-footer,.cookie-banner,.cookie-dialog,.toast{display:none!important}.article-layout{display:block;max-width:none;margin:0;padding:0}.article-head h1{font-size:25pt}.summary{background:#eef1f4!important;print-color-adjust:exact;-webkit-print-color-adjust:exact;break-inside:avoid}.article-section{break-inside:avoid;page-break-inside:avoid}.citation{color:#000}.sources a{color:#000}}