:root{--blue:#2856ed;--navy:#111e3a;--ink:#16243e;--muted:#657085;--line:#e0e6ef;--pale:#f2f5fc}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;color:var(--ink);background:#fff;font-family:Arial,Helvetica,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.wrap{width:min(1240px,calc(100% - 88px));margin:auto}.header{height:108px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:750;letter-spacing:-1px;white-space:nowrap}.brand-light{font-weight:400;color:#717b8e}.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--blue);color:#fff;font-size:29px;font-weight:600;letter-spacing:-3px;padding-right:3px}.header nav{display:flex;padding:7px;background:var(--pale);border-radius:40px;gap:3px}.header nav a{padding:12px 20px;font-size:14px}.header nav a:first-child{background:#fff;border-radius:30px;box-shadow:0 2px 6px #1222450a}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;border:1px solid var(--line);padding:15px 23px;border-radius:50px;font-size:14px;font-weight:600;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px);background:#e9eeff}.primary{background:var(--blue);color:#fff;border-color:var(--blue);padding:18px 25px}.primary:hover{background:#2046c7}.hero{display:grid;grid-template-columns:1.14fr 1fr;gap:50px;padding-top:55px;padding-bottom:70px;align-items:center}.eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:700;display:flex;align-items:center;gap:9px}.mini-pill{width:23px;height:11px;background:linear-gradient(90deg,var(--blue) 50%,#c7d5ff 50%);border-radius:20px;transform:rotate(-35deg)}h1{font-size:clamp(56px,6.6vw,88px);line-height:1.02;font-weight:500;letter-spacing:-5px;margin:29px 0 26px}h1>span{color:var(--blue)}.lead{color:var(--muted);font-size:19px;line-height:1.65;margin:0}.hero-actions{display:flex;align-items:center;gap:25px;margin-top:30px;flex-wrap:wrap}.text-link{font-size:14px;font-weight:600;display:flex;gap:14px}.preview-note{font-size:10px;letter-spacing:1.4px;color:#6a7690;margin-top:36px}.preview-note span{letter-spacing:0;font-size:12px;padding-left:12px}.hero-panel{min-height:453px;border-radius:40px;background:var(--blue);padding:30px 32px;color:white;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.panel-top,.profile-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px}.tag{font-size:12px;border:1px solid #ccd7ec;border-radius:30px;padding:8px 13px;display:inline-block}.tag.light{border-color:#ffffff4a;color:white}.panel-index{font-size:12px;color:#d0dcff}.profile-type{font-size:42px;line-height:1.13;letter-spacing:-1.8px;margin-top:29px}.profile-type em{font-style:normal;color:#baccff}.sequence{display:flex;gap:10px;margin:30px 0;align-items:center}.sequence span{flex:1;border-radius:60px;height:78px;display:grid;place-items:center;font-size:38px;border:1px solid #ffffff48;font-weight:400}.sequence span:nth-child(2){background:#fff;color:var(--blue)}.sequence span:nth-child(3){background:#a8c0ff;color:#2148bf}.tiny-label{font-size:10px;letter-spacing:1.5px;display:block;color:#c5d4ff;margin-bottom:8px}.profile-bottom strong{font-size:18px;font-weight:500}.profile-bottom strong span{font-size:13px;color:#c5d4ff}.circle-link{background:#fff;color:var(--blue);width:45px;height:45px;border-radius:50%;display:grid;place-items:center;font-size:23px}.topic-ribbon{border-block:1px solid var(--line);background:#fafbfe}.ribbon-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0}.ribbon-inner>span:first-child{font-size:10px;font-weight:bold;letter-spacing:1.3px;color:#687691}.ribbon-inner a{font-size:14px;white-space:nowrap}.ribbon-dot{color:#b2c2e8}.topics{padding-block:73px 60px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}h2{font-size:42px;line-height:1.13;letter-spacing:-1.8px;font-weight:500;margin:17px 0 0}.section-heading p{color:var(--muted);font-size:15px;margin-bottom:3px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--pale);border-radius:27px;min-height:296px;padding:24px;display:flex;flex-direction:column;justify-content:space-between}.card.feature{background:#e9efff}.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.card-number{font-size:12px;color:#7b89a4}.card h3{font-weight:500;letter-spacing:-.8px;font-size:28px;line-height:1.16;margin:28px 0 10px}.card p{color:var(--muted);font-size:14px;margin:0 0 25px}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:5px}.card-bottom>span:first-child{font-size:12px;color:#697790}.decor-arrow{display:grid;place-items:center;border-radius:50%;background:#fff;width:34px;height:34px;font-size:20px;color:var(--blue)}.more-topics{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin-top:25px}.more-topics>span:first-child{font-size:12px;color:var(--muted);margin-right:8px}.topic-chip{font-size:12px;border:1px solid var(--line);padding:10px 15px;border-radius:30px}.evidence{border-radius:35px;background:var(--navy);color:#fff;display:grid;grid-template-columns:1fr 1fr;padding:45px 48px;gap:70px;margin-bottom:65px}.evidence h2{font-size:44px;margin:25px 0 17px}.evidence p{font-size:16px;line-height:1.65;color:#b8c4dc;margin-bottom:0}.evidence-list{align-self:center}.evidence-list>div{display:flex;align-items:center;gap:22px;padding:22px 0;border-bottom:1px solid #ffffff24}.evidence-list>div>span:first-child{font-size:12px;color:#8c9dbd}.evidence-list h3{font-size:20px;font-weight:400;flex:1;margin:0}.evidence-list small{display:block;font-size:12px;color:#a6b6d1;line-height:1.5;margin-top:23px}footer{padding:0 0 35px;display:flex;justify-content:space-between;gap:20px;align-items:center}footer>span{font-size:13px;color:var(--muted)}.footer-note{font-size:11px}a:focus-visible{outline:3px solid #f19736;outline-offset:5px}a:hover.text-link{text-decoration:underline}@media(min-width:1450px){.hero{padding-top:70px;padding-bottom:80px}}@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.header nav a{padding:10px 12px}.header-button{display:none}.hero{gap:30px}h1{letter-spacing:-3px}.hero-panel{padding:25px;min-height:430px}.profile-type{font-size:36px}.ribbon-inner{flex-wrap:wrap;justify-content:center}.ribbon-inner>span:first-child{width:100%;text-align:center}.section-heading p{max-width:210px;line-height:1.5}.card{padding:20px}.card h3{font-size:25px}.evidence{gap:35px;padding:36px}.footer-note{display:none}}@media(max-width:700px){.wrap{width:calc(100% - 36px)}.header{height:auto;min-height:92px;flex-wrap:wrap;padding:20px 0;gap:18px}.brand{font-size:21px}.header nav{width:100%;justify-content:space-between}.header nav a{font-size:13px;padding:10px 16px}.hero{grid-template-columns:1fr;padding-top:30px;padding-bottom:35px;gap:32px}h1{font-size:65px;letter-spacing:-3.5px;margin-top:24px}.lead{font-size:17px}.hero-actions{gap:20px}.hero-panel{min-height:400px;border-radius:30px}.profile-type{font-size:39px}.sequence span{height:70px}.ribbon-inner{gap:14px;padding:20px 0}.ribbon-inner a{font-size:12px}.ribbon-dot{display:none}.topics{padding-top:45px;padding-bottom:40px}.section-heading{display:block}.section-heading p{max-width:none;margin-top:17px}h2{font-size:35px}.cards{grid-template-columns:1fr}.card{min-height:260px;padding:24px}.card h3{font-size:29px}.more-topics{gap:8px}.more-topics>span:first-child{width:100%;margin:7px 0}.evidence{grid-template-columns:1fr;padding:30px 25px;gap:15px;margin-bottom:35px}.evidence h2{font-size:39px}footer{flex-direction:column;align-items:flex-start;padding-bottom:30px;gap:15px}.preview-note{margin-top:27px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
/* Full-site reading layouts: edit these variables for typography. */
:root{--article-font-size:17px;--article-line-height:1.82}body{overflow-wrap:break-word}.header nav{align-items:center}.header nav a:first-child{background:transparent;box-shadow:none}.header nav a[aria-current="page"]{background:#fff;border-radius:30px;box-shadow:0 2px 6px #1222450a}.guide-menu{position:relative;font-size:14px}.guide-menu>summary{padding:12px 20px;cursor:pointer;list-style:none;display:flex;gap:12px;align-items:center}.guide-menu>summary::-webkit-details-marker{display:none}.guide-panel{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%);z-index:20;width:370px;padding:12px;border:1px solid var(--line);background:#fff;box-shadow:0 15px 50px #16243e20;border-radius:22px;display:grid;grid-template-columns:1fr 1fr;gap:4px}.header nav .guide-panel a{padding:13px;border-radius:12px;line-height:1.4;font-size:14px}.guide-panel a:hover{background:var(--pale)}.home-hero{grid-template-columns:1.2fr 1fr;gap:48px;padding-top:45px;padding-bottom:50px}.home-hero h1{font-size:clamp(40px,4.4vw,61px);letter-spacing:-2.7px;line-height:1.08;margin:23px 0}.home-hero .summary{font-size:17px;line-height:1.75}.hero-panel{min-height:440px}.sequence-image{display:block;width:100%;height:auto;margin:25px 0}.topics{border-top:1px solid var(--line);padding-block:50px}.card{transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);box-shadow:0 12px 35px #12224512}.topic-chip:hover{background:#e9efff;border-color:#bacafa}.article-hero{padding:48px 0 35px;max-width:1100px}.article-hero h1{font-size:clamp(35px,4.1vw,58px);line-height:1.12;letter-spacing:-2px;max-width:970px;margin:23px 0}.article-hero .summary{max-width:890px;font-size:19px;line-height:1.75;color:#59657a;margin:0}.article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:#66758d;margin-top:25px;line-height:1.5}.article-meta a{text-decoration:underline;text-underline-offset:3px}.article-layout{display:grid;grid-template-columns:245px minmax(0,760px);gap:65px;justify-content:center;padding:30px 0 80px;align-items:start}.article-aside{position:sticky;top:24px;background:#f3f6fc;border-radius:24px;padding:22px}.article-aside summary{font-size:14px;font-weight:700;cursor:pointer}.article-aside nav{display:flex;flex-direction:column;gap:15px;padding-top:20px}.article-aside nav a{font-size:14px;line-height:1.5;color:#5c6b84}.article-aside nav a:hover,.article-aside nav a[aria-current="location"]{color:var(--blue)}.aside-note{border-top:1px solid var(--line);font-size:12px;line-height:1.7;color:#6b7990;padding-top:18px;margin-top:22px}.prose{font-size:var(--article-font-size);line-height:var(--article-line-height);min-width:0;color:#43516a}.prose p{margin:0 0 20px}.prose h2{color:var(--ink);font-size:30px;line-height:1.25;letter-spacing:-.65px;margin:44px 0 18px;scroll-margin-top:30px}.prose>h2:first-child{margin-top:0}.prose h3{color:var(--ink);font-size:21px;line-height:1.4;letter-spacing:-.25px;font-weight:600;margin:27px 0 12px}.prose a{color:#224ed7;text-decoration:underline;text-underline-offset:3px}.prose a:hover{color:#132c84}.prose ul{padding-left:25px;margin:12px 0 24px}.prose li{padding-left:5px;margin:8px 0}.prose .article-meta{margin:0 0 30px}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:18px;margin:22px 0 25px}.prose table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.55;min-width:450px}.prose th{background:#eff3fc;color:#223756;text-align:left;font-weight:600}.prose th,.prose td{padding:15px 17px;border-bottom:1px solid var(--line);vertical-align:top}.prose tr:last-child td{border-bottom:0}.article-figure{margin:0 0 35px;border-radius:24px;padding:24px;background:var(--blue);color:white}.article-figure img{width:100%;height:auto;display:block}.article-figure figcaption{font-size:13px;line-height:1.6;color:#e0e8ff;margin-top:15px}.site-footer{border-top:1px solid var(--line);padding:42px 0;display:grid;grid-template-columns:1.1fr 1.4fr .8fr;gap:35px;align-items:start}.site-footer p{font-size:14px;line-height:1.7;color:var(--muted)}.site-footer .disclaimer{font-size:12px;max-width:240px}.footer-guides>div{display:grid;grid-template-columns:1fr 1fr;gap:13px 25px;margin-top:22px}.footer-guides a,.footer-policy a{font-size:14px;color:#56667f}.footer-policy{display:flex;flex-direction:column;gap:17px}.footer-policy>span:last-child{font-size:12px;color:#697790}.footer-policy>.eyebrow{margin-bottom:5px}.site-footer a:hover{text-decoration:underline}.back-top{position:fixed;bottom:20px;right:20px;width:42px;height:42px;display:grid;place-items:center;color:#fff;background:var(--blue);border-radius:50%;box-shadow:0 5px 20px #12224520;font-size:22px;opacity:0;pointer-events:none;transition:opacity .2s}.back-top.visible{opacity:1;pointer-events:auto}.skip-link{position:fixed;top:-100px;left:15px;z-index:100;background:#fff;padding:14px;border:2px solid var(--blue);border-radius:10px}.skip-link:focus{top:10px}summary:focus-visible{outline:3px solid #f19736;outline-offset:2px;border-radius:12px}@media(max-width:1050px){.article-layout{grid-template-columns:215px minmax(0,1fr);gap:35px}.home-hero{gap:30px}.home-hero h1{font-size:45px}.site-footer{grid-template-columns:1fr 1fr}.footer-intro{grid-column:1/-1}.guide-menu>summary{padding:10px 12px}.hero-panel{min-height:420px}}@media(max-width:760px){.home-hero{grid-template-columns:1fr}.home-hero h1{font-size:44px;letter-spacing:-1.8px;max-width:570px}.home-hero .hero-panel{min-height:400px}.article-layout{grid-template-columns:1fr;gap:30px;padding-top:15px;padding-bottom:45px}.article-aside{position:static}.article-aside nav{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px}.aside-note{display:none}.article-hero{padding-top:35px}.article-hero h1{font-size:38px;letter-spacing:-1.4px}.article-hero .summary{font-size:17px}.prose h2{font-size:27px}.site-footer{gap:30px}.guide-panel{width:min(360px,calc(100vw - 40px));left:50%}.header nav .guide-panel a{padding:10px}.header nav .guide-menu>summary{font-size:13px;padding:10px}.site-footer .brand{font-size:20px}.footer-policy .eyebrow{line-height:1.7}.article-meta{font-size:12px;gap:12px}.back-top{right:12px;bottom:12px}.prose{font-size:16px}.prose table{font-size:14px}}@media(max-width:400px){.site-footer{grid-template-columns:1fr}.footer-intro{grid-column:auto}.article-aside nav{grid-template-columns:1fr}.header nav a{padding:10px}.home-hero h1{font-size:39px}.article-hero h1{font-size:34px}}@media(prefers-reduced-motion:reduce){.card,.back-top{transition:none}}

.guide-panel{max-height:min(70vh,600px);overflow-y:auto}