:root{color-scheme:light;--paper: #f3f5f4;--white: #fbfcfb;--ink: #17232d;--ink-soft: #33434f;--muted: #586872;--line: #d5dddf;--blue: #1459d9;--blue-deep: #103a78;--blue-pale: #e3edff;--amber: #db9c2f;--radius: 18px;--shadow: 0 12px 32px rgba(24, 43, 56, .07);--measure: 1120px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;min-width:320px;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.65}a{color:var(--blue-deep);text-underline-offset:3px}a:hover{color:var(--blue)}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--amber);outline-offset:4px}.skip-link{position:absolute;z-index:20;top:8px;left:8px;padding:10px 16px;transform:translateY(-160%);background:var(--ink);color:#fff;border-radius:8px}.skip-link:focus{transform:translateY(0)}.wrap{width:min(var(--measure),calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:10;background:#f3f5f4f5;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;flex:0 0 auto}.brand-mark{width:37px;height:37px;display:grid;place-items:center;color:#fff;background:var(--ink);border-radius:11px 4px;font-size:12px;font-weight:800;letter-spacing:-.06em}.brand-name{font-weight:800;font-size:17px;letter-spacing:.065em}.nav-toggle{display:none}.primary-nav{display:flex;align-items:center;gap:25px}.primary-nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink-soft);text-decoration:none;font-size:13px;font-weight:650}.primary-nav a:hover,.primary-nav a[aria-current=page]{color:var(--blue)}.nav-actions{display:flex;align-items:center;gap:9px;margin-left:5px}.nav-actions a{padding:0 15px;border:1px solid var(--line);border-radius:9px}.nav-actions .button-primary{background:var(--blue);color:#fff;border-color:var(--blue)}.hero{position:relative;overflow:hidden;isolation:isolate;padding:clamp(66px,10vw,120px) 0 82px;background:var(--ink);color:#fff}.hero:before{content:"";z-index:-1;position:absolute;inset:0;opacity:.26;background-image:linear-gradient(90deg,transparent 0 9%,rgba(143,179,222,.32) 9.1%,transparent 9.3% 24%,rgba(143,179,222,.22) 24.1%,transparent 24.3% 69%,rgba(143,179,222,.2) 69.1%,transparent 69.3%),linear-gradient(0deg,transparent 0 70%,rgba(143,179,222,.2) 70.1%,transparent 70.3%);background-size:260px 160px;-webkit-mask-image:linear-gradient(90deg,transparent,black 60%);mask-image:linear-gradient(90deg,transparent,black 60%)}.hero:after{content:"";position:absolute;z-index:-1;width:46vw;height:1px;right:-3vw;top:51%;transform:rotate(-22deg);background:var(--blue);box-shadow:0 0 0 1px #2a70ed1f}.hero-copy{max-width:760px}.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 20px;color:#a9c7fa;font-size:11px;font-weight:750;letter-spacing:.16em;text-transform:uppercase}.eyebrow:before{content:"";width:21px;height:2px;background:var(--amber)}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12;letter-spacing:-.035em}.hero h1{max-width:780px;margin-bottom:24px;font-size:clamp(2.65rem,7vw,5.5rem);letter-spacing:-.065em}.hero h1 .accent{color:#8db6ff}.hero p{max-width:610px;margin-bottom:29px;color:#d1dae1;font-size:clamp(1rem,1.8vw,1.2rem)}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:0 19px;border-radius:9px;text-decoration:none;font-weight:700;font-size:14px;transition:transform .18s ease,background-color .18s ease}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--blue);color:#fff}.button-primary:hover{background:#216ae9;color:#fff}.button-light{border:1px solid #697a88;color:#fff}.button-light:hover{background:#ffffff14;color:#fff}.button-outline{background:transparent;color:var(--ink);border:1px solid var(--line)}.button-outline:hover{background:var(--blue-pale)}.hero-index{position:absolute;right:max(24px,calc((100vw - var(--measure))/2));bottom:27px;color:#9daebb;font-size:11px;letter-spacing:.12em}.section{padding:clamp(62px,8vw,96px) 0}.section-tight{padding:56px 0}.section-white{background:var(--white)}.section-blue{background:#eaf0f2}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:35px}.section-head>div{max-width:630px}.kicker{margin-bottom:12px;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}h2{margin-bottom:14px;font-size:clamp(2rem,4vw,3.1rem)}.section-head p,.lede{max-width:650px;margin-bottom:0;color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:750;text-decoration-thickness:1px;white-space:nowrap}.text-link:after{content:"↗";font-size:17px;text-decoration:none}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.78fr);gap:clamp(36px,8vw,110px);align-items:center}.split>*{min-width:0}.editorial-note{border-left:3px solid var(--amber);padding:8px 0 8px 23px;color:var(--ink-soft);font-size:19px;line-height:1.55}.line-panel{min-height:245px;position:relative;overflow:hidden;border:1px solid #cbd6dc;border-radius:var(--radius);background:linear-gradient(140deg,#e8eef1,#f8faf9)}.line-panel:before{content:"";position:absolute;inset:25px;border:1px solid #c7d5e3;transform:skewY(-9deg)}.line-panel:after{content:"";position:absolute;left:0;right:0;top:54%;height:1px;background:var(--blue);transform:rotate(-14deg);box-shadow:0 0 0 6px #1459d909}.line-panel .tower{position:absolute;bottom:24px;width:46px;border:1px solid #91a3af;background:repeating-linear-gradient(0deg,transparent 0 13px,rgba(20,89,217,.18) 13px 14px)}.line-panel .tower:nth-child(1){left:18%;height:130px}.line-panel .tower:nth-child(2){left:33%;height:175px;width:62px}.line-panel .tower:nth-child(3){left:55%;height:106px;width:40px}.line-panel .tower:nth-child(4){left:70%;height:148px;width:51px}.line-panel .signal{position:absolute;z-index:2;width:9px;height:9px;right:25%;top:41%;background:var(--amber);border-radius:50%}.brand-visual{margin:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}.brand-visual img{display:block;width:100%;max-width:100%;height:auto}.brand-visual figcaption{padding:12px 15px;color:var(--muted);font-size:12px;line-height:1.5}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.feature-card{min-width:0;min-height:235px;padding:25px;border:1px solid var(--line);border-radius:14px;background:var(--white);box-shadow:0 5px 18px #1c2d3809}.feature-mark{width:40px;height:40px;display:grid;place-items:center;margin-bottom:28px;color:var(--blue);border:1px solid #bdd0ed;border-radius:11px;font-size:17px;font-weight:800}.feature-card h3{margin-bottom:11px;font-size:20px}.feature-card p{margin:0;color:var(--muted);font-size:14px}.advantage-band{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center;padding:42px;border-radius:var(--radius);background:var(--ink);color:#fff}.advantage-band h2{margin-bottom:0}.advantage-band p{margin:0;color:#ccd5dc}.principles{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.2);margin-top:23px;padding-top:20px;gap:15px}.principles span{color:#c8d6e5;font-size:12px}.principles b{display:block;margin-bottom:5px;color:#fff;font-size:14px}.article-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}.article-card{position:relative;padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}.article-card .meta{margin-bottom:15px;color:var(--muted);font-size:12px}.article-card h3{max-width:450px;margin-bottom:13px;font-size:clamp(1.3rem,2.5vw,1.75rem)}.article-card p{margin-bottom:22px;color:var(--muted);font-size:14px}.cta-panel{position:relative;overflow:hidden;padding:clamp(34px,6vw,62px);border-radius:var(--radius);background:var(--blue-deep);color:#fff}.cta-panel:after{content:"";position:absolute;right:-36px;top:20%;width:300px;height:140px;border:1px solid rgba(255,255,255,.22);transform:rotate(-25deg)}.cta-panel h2{position:relative;z-index:1;max-width:640px}.cta-panel p{position:relative;z-index:1;max-width:570px;color:#d4e1f4}.cta-panel .button{position:relative;z-index:1;background:#fff;color:var(--blue-deep)}.site-footer{padding:54px 0 25px;background:#15212b;color:#d9e1e6}.footer-top{display:grid;grid-template-columns:1.2fr 1fr;gap:55px;padding-bottom:40px}.footer-brand{max-width:390px}.footer-brand .brand{color:#fff;margin-bottom:18px}.footer-brand p{color:#b5c1ca;font-size:14px}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:9px 24px;align-content:start}.footer-links a{display:inline-flex;min-height:44px;align-items:center;color:#d6e0e7;font-size:13px;text-decoration:none}.footer-links a:hover{color:#fff;text-decoration:underline}.footer-bottom{padding-top:20px;border-top:1px solid #36434d;color:#aebbc4;font-size:12px}.page-hero{padding:65px 0 54px;border-bottom:1px solid var(--line);background:#e9eef0}.page-hero h1{max-width:800px;margin:0 0 16px;font-size:clamp(2.5rem,6vw,4.5rem)}.page-hero p{max-width:700px;margin:0;color:var(--muted);font-size:17px}.content{max-width:800px}.content p{color:#354650}.content h2{margin:40px 0 14px;font-size:28px}.content h3{margin:26px 0 10px;font-size:21px}.content ul{padding-left:23px}.content li{margin:7px 0}.breadcrumb{margin-bottom:20px;color:var(--muted);font-size:13px}.breadcrumb a{color:var(--blue-deep)}.article-shell{padding:38px 0 80px}.article-title{max-width:850px;margin-bottom:18px;font-size:clamp(2.45rem,6vw,4.4rem)}.article-date{margin-bottom:32px;color:var(--muted);font-size:14px}.article-body{max-width:760px}.article-body p{margin-bottom:1.2em;color:#354650;font-size:17px;line-height:1.82}.article-body h2{margin-top:45px;font-size:29px}.article-related{margin-top:50px;padding-top:25px;border-top:1px solid var(--line)}.article-related a{display:inline-block;margin-right:22px;margin-bottom:10px;font-weight:700}.form-wrap{max-width:700px;padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}.form-grid{display:grid;gap:18px}.field label{display:block;margin-bottom:7px;font-size:14px;font-weight:700}.field input,.field textarea{display:block;width:100%;min-height:48px;padding:11px 13px;border:1px solid #b9c6cd;border-radius:8px;background:#fff;color:var(--ink)}.field textarea{min-height:135px;resize:vertical}.form-note{margin:18px 0 0;padding:13px 15px;border-left:3px 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a{min-height:46px;padding-inline:9px}.nav-actions{margin:8px 0 0}.nav-actions a{justify-content:center;flex:1}.split{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.line-panel{min-height:220px}}@media(max-width:680px){.wrap{width:min(var(--measure),calc(100% - 36px))}.hero{padding:66px 0 74px}.hero h1{font-size:clamp(2.6rem,12vw,4rem)}.hero-index{right:18px;font-size:10px}.section-head{align-items:start;flex-direction:column;margin-bottom:25px}.feature-grid,.article-list{grid-template-columns:1fr}.feature-card{min-height:initial}.feature-mark{margin-bottom:18px}.advantage-band{grid-template-columns:1fr;gap:16px;padding:27px}.principles{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr;gap:26px}.footer-links{gap:12px}.page-hero{padding:49px 0 42px}.form-wrap{padding:22px 18px}.article-body p{font-size:16px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}