:root{--navy:#10264a;--ink:#17233a;--blue:#2f67e8;--sky:#d7e8ff;--mint:#bfe9dd;--lemon:#f1e87a;--coral:#f36e5c;--paper:#f7f5ef;--white:#fff;--muted:#5f697b;--line:#dce1e8;--shadow:0 18px 55px rgba(16,38,74,.1);--radius:24px;--shell:min(1180px,calc(100% - 40px))}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:clip}body{margin:0;color:var(--ink);background:var(--paper);font-family:"DM Sans",Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:clip}img{max-width:100%;height:auto}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}button,input{font:inherit}.shell{width:var(--shell);margin-inline:auto}.skip-link{position:fixed;z-index:999;top:10px;left:10px;transform:translateY(-150%);padding:10px 16px;background:var(--navy);color:white;border-radius:8px}.skip-link:focus{transform:none}.concept-bar{background:var(--navy);color:white;font-size:12px;letter-spacing:.01em}.concept-bar 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@media(max-width:760px){:root{--shell:min(100% - 28px,1180px)}body{padding-bottom:64px}.concept-bar .shell{display:block;text-align:center;line-height:1.35}.concept-bar span{display:none}.site-header{backdrop-filter:none}.header-main{height:72px}.brand img{width:38px;height:44px}.menu-button{order:3;display:grid;grid-template-columns:20px auto;gap:3px 7px;align-items:center;border:0;background:transparent;padding:8px}.menu-button span{grid-column:1;width:20px;height:2px;background:var(--navy)}.menu-button b{grid-column:2;grid-row:1/4;font-size:13px}.site-nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);padding:18px var(--shell);box-shadow:var(--shadow);border-top:1px solid var(--line)}.site-nav.open{display:grid}.site-nav a,.site-nav a:nth-last-child(-n+2){display:block;padding:10px 0;font-size:16px}.header-actions{margin-left:auto}.header-actions .button{display:none}.search-button{font-size:13px}.search-results{grid-template-columns:1fr}.hero{min-height:auto;background:linear-gradient(160deg,var(--paper) 70%,#e7f1ff 70%)}.hero-grid{grid-template-columns:1fr;padding:64px 0 35px}.hero h1{font-size:clamp(45px,14vw,68px)}.hero-intro{font-size:18px}.hero-art{height:310px}.art-card{width:115px;height:115px;border-radius:26px;font-size:35px}.art-card small{font-size:9px;bottom:10px}.art-cloud{left:0}.art-key{width:125px;height:125px;top:145px;left:100px;border-radius:28px;font-size:45px}.dot-one{width:75px;height:75px}.dot-two{width:42px;height:42px}.signal-a{width:190px;height:120px}.signal-b{width:160px}.quick,.news-section,.content-section{padding:68px 0}.section-heading{display:block}.section-heading>p{margin-top:18px}.service-grid,.news-grid,.article-list{grid-template-columns:1fr}.service-card{min-height:210px}.support-grid,.article-layout{grid-template-columns:1fr;gap:36px}.support-band{padding:68px 0}.page-hero{padding:60px 0 48px}.page-hero h1{font-size:clamp(40px,12vw,60px)}.sidebar{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-about{grid-column:1/-1}.footer-base{display:block}.footer-base span{display:block;margin:8px 0}.mobile-actions{position:fixed;z-index:95;bottom:0;left:0;right:0;height:64px;display:grid;grid-template-columns:1fr 1fr;background:white;border-top:1px solid var(--line);box-shadow:0 -10px 30px rgba(16,38,74,.1)}.mobile-actions a{display:grid;place-items:center;font-weight:800;text-decoration:none}.mobile-actions a:last-child{background:var(--blue);color:white}}
@media(max-width:430px){.footer-grid{grid-template-columns:1fr}.footer-about{grid-column:auto}.header-actions{gap:0}.brand span{display:none}.article-layout{gap:25px}.prose{font-size:16px}.button-row{display:grid}.hero-art{margin-inline:-5px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.source-archive{padding:48px 0 80px;background:var(--paper)}.source-archive details{border:1px solid var(--line);border-radius:18px;background:white}.source-archive summary{padding:20px 24px;cursor:pointer;color:var(--navy);font:700 16px Manrope,sans-serif}.source-archive details[open] summary{border-bottom:1px solid var(--line)}.source-archive .prose{max-width:780px;padding:28px;margin:auto}
.source-images{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:32px 0}.source-images figure{margin:0;min-height:140px;display:grid;place-items:center;background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden}.source-images img{margin:0;max-height:420px;border-radius:0;box-shadow:none;object-fit:contain}