@charset "UTF-8";
:root{--blue:#1453A6;--deep:#102B52;--pale-blue:#EAF3FF;--red:#C62835;--pale-red:#FCECEF;--yellow:#F2C94C;--pale-yellow:#FFF5CE;--canvas:#F7FAFE;--white:#fff;--title:#17243A;--text:#29364B;--muted:#566477;--line:#D9E3EF;--content:1200px;--reading:760px;--radius:10px;--shadow:0 10px 30px rgba(16,43,82,.06)}
.hero-section.no-media,.split-section.no-media,.process-section.no-media,.verification-body.no-media,.pocket-section.no-media{grid-template-columns:minmax(0,1fr)}.culture-layout.no-media{grid-template-columns:minmax(0,1fr) minmax(180px,.7fr)}.feature-card.no-media{grid-template-columns:minmax(0,1fr)}
*,*::before,*::after{box-sizing:border-box;min-width:0}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--canvas);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-wrap:break-word}img{display:block;max-width:100%;width:auto;height:auto;object-fit:contain}a{color:var(--blue);text-decoration:none;text-underline-offset:4px}a:hover{text-decoration:underline}button{font:inherit}button:focus-visible,a:focus-visible{outline:3px solid var(--yellow);outline-offset:3px;border-radius:4px}.skip-link{position:absolute;left:12px;top:-60px;z-index:1000;background:var(--deep);color:#fff;padding:10px 14px;border-radius:6px}.skip-link:focus{top:12px}.site-header{position:relative;z-index:20;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line)}.header-inner{width:min(100%,var(--content));min-height:76px;margin-inline:auto;padding:10px 30px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:0 1 230px;color:var(--deep)}.brand img{max-width:175px;max-height:36px;width:auto;height:auto}.brand-wordmark,.footer-wordmark{font-size:25px;font-weight:850;letter-spacing:-1.2px;color:var(--blue);line-height:1}.brand-wordmark span,.footer-wordmark span{color:var(--deep);font-size:.78em;letter-spacing:.04em}.brand-tagline{font-size:12px;color:var(--muted);line-height:1.3;max-width:92px}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:clamp(10px,1.4vw,22px);flex:1;min-width:0}.desktop-nav a,.learning-link{font-size:14px;font-weight:650;color:var(--text);padding:9px 0;white-space:normal}.desktop-nav a[aria-current=page],.learning-link[aria-current=page]{color:var(--blue);border-bottom:2px solid var(--red)}.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}.explore-toggle,.mobile-menu-toggle{min-height:44px;padding:8px 13px;border:1px solid var(--blue);border-radius:7px;background:var(--blue);color:#fff;font-weight:700;cursor:pointer}.explore-toggle span{margin-left:5px;color:var(--yellow)}.mobile-menu-toggle{display:none}.topic-panel{border-top:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}.topic-panel-inner{max-width:var(--content);margin-inline:auto;padding:24px 30px 30px}.panel-heading{margin-bottom:18px}.panel-heading h2{font-size:22px;color:var(--deep);margin:0 0 4px}.panel-heading p:last-child{margin:0;color:var(--muted)}.topic-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.topic-group{min-width:0;border:1px solid var(--line);border-radius:9px;padding:16px 18px;background:#fff}.topic-group h3{margin:0 0 10px;color:var(--deep);font-size:17px}.topic-group ul,.footer-group ul{list-style:none;padding:0;margin:0}.topic-group ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 14px}.topic-group li{min-width:0}.topic-group a{display:flex;flex-direction:column;gap:1px;padding:5px 0}.topic-group a strong{font-size:14px;color:var(--blue)}.topic-group a span{font-size:12px;color:var(--muted);line-height:1.5}.topic-group a[aria-current=page] strong{color:var(--red)}.site-main{min-height:60vh}.home-container{width:min(100%,var(--content));margin-inline:auto;padding-inline:30px}.home-page{padding-bottom:8px}.hero-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:38px;padding-top:54px;padding-bottom:48px}.hero-copy{min-width:0}.eyebrow{margin:0 0 10px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em}.hero-copy h1{margin:0 0 12px;color:var(--deep);font-size:42px;line-height:1.2}.hero-copy h2{margin:0 0 18px;color:var(--title);font-size:30px;line-height:1.42;letter-spacing:-.03em}.hero-lead{font-size:18px;line-height:1.8;color:var(--text);margin:0 0 10px}.hero-support{margin:0;color:var(--muted)}.hero-links,.inline-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:22px}.hero-links a,.inline-links a,.culture-copy>a,.process-copy>a,.feature-card a,.pocket-links a{font-weight:750;color:var(--blue);border-bottom:1px solid #b9cde7;padding-bottom:3px}.hero-media,.section-media,.feature-media,.culture-media,.process-media,.verification-media,.pocket-media,.mark-media,.article-media{margin:0;min-width:0;max-width:100%;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center}.hero-media{min-height:260px}.hero-media img{max-width:500px;max-height:310px}.home-section{padding-top:58px;padding-bottom:58px}.section-heading{max-width:680px;margin-bottom:24px}.section-heading h2,.split-copy h2,.culture-copy h2,.process-copy h2,.verification-head h2,.pocket-copy h2{font-size:27px;line-height:1.4;color:var(--title);margin:0 0 12px}.section-heading>p:last-child,.split-copy>p,.culture-copy>p,.process-copy>p,.pocket-copy>p{margin:0;color:var(--muted)}.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.entry-item{min-width:0;padding:22px 20px 24px;border-right:1px solid var(--line);color:var(--text)}.entry-item:first-child{padding-left:0}.entry-item:last-child{border-right:0}.entry-number{display:inline-block;color:var(--red);font-weight:850;font-size:13px;letter-spacing:.08em}.entry-item h3{font-size:20px;color:var(--deep);margin:8px 0 5px}.entry-item p{font-size:14px;color:var(--muted);margin:0 0 16px}.text-arrow{font-size:13px;font-weight:750;color:var(--blue)}.split-section{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:44px}.split-copy{min-width:0}.split-copy>p{margin:0 0 12px}.section-media img{max-width:440px;max-height:260px}.dual-feature{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.feature-card{min-width:0;display:grid;grid-template-columns:minmax(120px,.7fr) minmax(0,1fr);gap:20px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:11px;background:#fff}.feature-media img{max-width:250px;max-height:300px}.feature-card h2{font-size:23px;color:var(--deep);margin:0 0 8px}.feature-card p:not(.eyebrow){font-size:14px;color:var(--muted);margin:0 0 14px}.culture-band{background:#eef4fb;border-block:1px solid var(--line)}.culture-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr) minmax(180px,.7fr);align-items:center;gap:26px}.culture-media img{max-width:440px;max-height:260px}.culture-copy{min-width:0}.culture-copy>p{margin:0 0 14px}.culture-index{display:grid;gap:0;border-left:1px solid #c8d6e6;padding-left:20px}.culture-index a{padding:12px 0;border-bottom:1px solid #c8d6e6;display:flex;flex-direction:column;gap:2px}.culture-index strong{color:var(--deep)}.culture-index span{font-size:13px;color:var(--muted)}.process-section{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1fr);gap:22px 36px;align-items:center}.process-copy{min-width:0}.process-copy>p{margin-bottom:14px}.process-media img{max-width:420px;max-height:260px}.process-steps{grid-column:1/-1;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;list-style:none;padding:0;margin:6px 0 0}.process-steps li{min-width:0;border-top:2px solid var(--blue);padding-top:10px;font-weight:700;color:var(--deep);font-size:14px}.process-steps span{display:block;color:var(--red);font-size:12px;margin-bottom:3px}.verification-section{padding:0 0 58px}.verification-head{background:var(--deep);color:#fff;padding:38px 0 34px}.verification-head .eyebrow{color:var(--yellow)}.verification-head h2{color:#fff;max-width:720px}.verification-head p:last-child{max-width:780px;margin:0;color:#e2ebf7}.verification-body{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:26px;align-items:stretch;padding-top:24px}.verification-media img{max-width:380px;max-height:250px}.verification-note{background:var(--pale-yellow);border:1px solid #eadb9d;border-radius:10px;padding:22px 24px;color:var(--deep)}.verification-note h3{margin:0 0 8px;font-size:19px}.verification-note ul{padding-left:20px;margin:8px 0 0}.verification-note li{padding:3px 0}.verification-note .inline-links{gap:10px 18px;margin-top:16px}.pocket-section{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(180px,.8fr);gap:32px;align-items:center}.pocket-copy>p{margin-bottom:12px}.pocket-links{display:flex;flex-wrap:wrap;gap:12px 18px;margin-top:20px}.pocket-media-stack{display:flex;align-items:center;justify-content:center;gap:12px;min-width:0}.pocket-media img{max-width:240px;max-height:300px}.mark-media{padding:8px;flex:0 1 70px}.mark-media img{max-width:56px;max-height:56px}.inner-page{max-width:var(--content);margin-inline:auto;padding:28px 30px 70px}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:18px}.breadcrumb a{font-weight:650}.page-intro{max-width:900px;margin-bottom:28px}.page-intro h1{font-size:36px;line-height:1.3;color:var(--deep);margin:0 0 12px}.page-intro .lead{font-size:17px;line-height:1.85;color:var(--text);margin:0;max-width:850px}.article-layout{display:grid;grid-template-columns:minmax(0,var(--reading)) minmax(190px,260px);gap:42px;align-items:start}.article-body{min-width:0;max-width:var(--reading)}.article-section{padding:4px 0 22px;margin-bottom:20px;border-bottom:1px solid var(--line);scroll-margin-top:95px}.article-section h2,.related-reading h2{font-size:24px;line-height:1.4;color:var(--deep);margin:0 0 12px}.article-section p{font-size:16px;line-height:1.85;margin:0 0 13px;color:var(--text)}.article-section p:last-child{margin-bottom:0}.article-media{margin:0 0 26px}.article-media img{max-width:440px;max-height:260px}.article-aside{min-width:0;position:sticky;top:24px}.toc-card,.aside-note{border:1px solid var(--line);border-radius:9px;background:#fff;padding:17px 18px;margin-bottom:14px}.toc-card ol{margin:0;padding-left:20px}.toc-card li{padding:4px 0;color:var(--muted);font-size:14px}.toc-card a{color:var(--text)}.aside-note{background:var(--pale-blue)}.aside-note strong{color:var(--deep)}.aside-note p{font-size:13px;margin:5px 0 0;color:var(--muted)}.related-reading{padding:18px 0 0}.related-reading>p{color:var(--muted);margin:0 0 12px}.related-reading ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.related-reading li{min-width:0;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;display:flex;flex-direction:column;gap:3px}.related-reading li a{font-weight:750}.related-reading li span{font-size:12px;color:var(--muted)}.site-footer{background:#10243f;color:#e8eef7;padding:44px 0 24px}.footer-inner{max-width:var(--content);margin-inline:auto;padding-inline:30px}.footer-brand{max-width:540px;margin-bottom:30px}.footer-wordmark{display:inline-block;color:#fff;font-size:27px}.footer-wordmark span{color:#b9d5fb}.footer-brand p{margin:12px 0 0;color:#d4deeb}.footer-brand .footer-note{font-size:13px;color:#b7c6d9}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;padding:26px 0;border-top:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18)}.footer-group{min-width:0}.footer-group h2{font-size:15px;color:#fff;margin:0 0 10px}.footer-group li{padding:3px 0}.footer-group a{color:#d5e2f2;font-size:13px}.footer-group a[aria-current=page]{color:#fff;text-decoration:underline;text-decoration-color:var(--yellow);text-decoration-thickness:2px}.footer-services{display:flex;flex-wrap:wrap;gap:10px 24px;padding:18px 0;color:#c8d6e7;font-size:13px}.footer-services span::before{content:"•";color:var(--yellow);margin-right:8px}.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 22px;padding-top:15px;border-top:1px solid rgba(255,255,255,.14);font-size:12px;color:#aebfd3}.footer-bottom a{color:#d4e1f0}.mobile-bottom-nav{display:none}[hidden]{display:none!important}
@media(max-width:1100px){.header-inner{gap:14px}.brand{flex-basis:180px}.brand-tagline{display:none}.desktop-nav{gap:12px}.desktop-nav a{font-size:13px}.header-actions{gap:8px}.explore-toggle{padding-inline:10px}.culture-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.culture-index{grid-column:1/-1;grid-template-columns:repeat(3,minmax(0,1fr));border-left:0;border-top:1px solid #c8d6e6;padding:0;gap:14px}.culture-index a{border-bottom:0}.article-layout{gap:26px}}
@media(max-width:900px){.header-inner{min-height:68px;padding:9px 22px;justify-content:space-between}.desktop-nav,.explore-toggle{display:none}.mobile-menu-toggle{display:inline-flex;align-items:center;gap:8px}.learning-link{font-size:14px}.brand{flex:1}.topic-panel-inner{padding:20px 22px 24px}.topic-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.home-container,.inner-page,.footer-inner{padding-inline:22px}.hero-section{gap:24px;padding-top:42px}.hero-copy h1{font-size:38px}.hero-copy h2{font-size:27px}.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.entry-item:nth-child(2){border-right:0}.entry-item:nth-child(3),.entry-item:nth-child(4){border-top:1px solid var(--line)}.entry-item:nth-child(3){padding-left:0}.culture-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.process-steps{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:16px}.article-layout{grid-template-columns:minmax(0,1fr)}.article-aside{position:static;grid-row:1}.toc-card ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.article-body{max-width:none}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){html{scroll-padding-top:76px}.header-inner{min-height:64px;padding:8px 16px;gap:10px}.brand-wordmark{font-size:23px}.brand img{max-width:145px;max-height:32px}.learning-link{font-size:13px;white-space:nowrap}.mobile-menu-toggle{min-height:42px;padding:7px 10px;font-size:14px}.topic-panel-inner{padding:18px 16px 22px}.panel-heading h2{font-size:19px}.topic-groups{grid-template-columns:minmax(0,1fr);gap:12px}.topic-group{padding:14px}.topic-group ul{grid-template-columns:repeat(2,minmax(0,1fr))}.home-container,.inner-page,.footer-inner{padding-inline:16px}.hero-section{grid-template-columns:minmax(0,1fr);gap:20px;padding-top:32px;padding-bottom:28px}.hero-copy h1{font-size:31px}.hero-copy h2{font-size:26px}.hero-lead{font-size:16px}.hero-media{min-height:0;padding:10px}.hero-media img{max-height:230px}.home-section{padding-top:38px;padding-bottom:38px}.section-heading h2,.split-copy h2,.culture-copy h2,.process-copy h2,.verification-head h2,.pocket-copy h2{font-size:23px}.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.entry-item{padding:16px 12px}.entry-item:first-child,.entry-item:nth-child(3){padding-left:0}.entry-item h3{font-size:18px}.entry-item p{font-size:13px}.split-section{grid-template-columns:minmax(0,1fr);gap:18px}.section-media img{max-height:190px}.dual-feature{grid-template-columns:minmax(0,1fr);gap:14px}.feature-card{grid-template-columns:minmax(0,.72fr) minmax(0,1fr);gap:12px;padding:14px}.feature-media{padding:8px}.feature-media img{max-height:190px}.feature-card h2{font-size:20px}.feature-card p:not(.eyebrow){font-size:13px}.culture-layout{grid-template-columns:minmax(0,1fr);gap:18px}.culture-media img{max-height:190px}.culture-index{grid-template-columns:minmax(0,1fr);gap:0}.culture-index a{padding:9px 0;border-bottom:1px solid #c8d6e6}.process-section{grid-template-columns:minmax(0,1fr);gap:16px}.process-media img{max-height:190px}.process-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.verification-section{padding-bottom:38px}.verification-head{padding:30px 0 26px}.verification-body{grid-template-columns:minmax(0,1fr);gap:14px;padding-top:16px}.verification-media img{max-height:190px}.verification-note{padding:17px}.pocket-section{grid-template-columns:minmax(0,1fr);gap:18px}.pocket-media-stack{justify-content:flex-start}.pocket-media img{max-height:220px}.inner-page{padding-top:20px;padding-bottom:52px}.breadcrumb{font-size:12px;gap:6px;margin-bottom:14px}.page-intro{margin-bottom:22px}.page-intro h1{font-size:29px}.page-intro .lead{font-size:16px}.article-layout{gap:18px}.toc-card,.aside-note{padding:14px}.toc-card ol{grid-template-columns:minmax(0,1fr)}.article-section h2,.related-reading h2{font-size:21px}.article-section p{font-size:16px}.article-media img{max-height:190px}.related-reading ul{grid-template-columns:minmax(0,1fr)}.footer-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 14px}.footer-inner{padding-bottom:70px}.site-footer{padding-top:34px}.mobile-bottom-nav{position:fixed;z-index:30;left:0;right:0;bottom:0;min-height:56px;padding:5px 12px calc(5px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:rgba(255,255,255,.98);border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(16,43,82,.07)}.mobile-bottom-nav a{min-width:0;display:flex;align-items:center;justify-content:center;gap:5px;flex-direction:column;font-size:12px;font-weight:700;color:var(--muted);line-height:1.25}.mobile-bottom-nav a span{font-size:16px;line-height:1}.mobile-bottom-nav a[aria-current=page]{color:var(--blue);text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:2px;text-underline-offset:4px}}
@media(max-width:380px){.learning-link{font-size:12px}.brand-wordmark{font-size:21px}.mobile-menu-toggle{padding-inline:8px}.entry-item{padding-right:8px}.feature-card{grid-template-columns:minmax(0,1fr);}.feature-media img{max-height:170px}.topic-group ul{grid-template-columns:minmax(0,1fr)}.footer-groups{grid-template-columns:minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
