.blog{--traffic-red:#d64a3b;--traffic-orange:#e69b27;background:var(--light);color:var(--nightblue);font-family:var(--font)}.blog-wrap{max-width:1200px;margin:0 auto;padding:0 24px}.blog-hero p,.blog-hero small{color:var(--white)}.blog-hero{background:var(--grad-night);color:var(--white);padding:140px 0 64px}.blog-hero h1{color:var(--white);margin:0 0 18px;font-size:clamp(2rem,4.4vw,3.2rem);font-weight:700;line-height:1.1}.blog-kicker,.art-label,.art-kicker{letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;font-weight:600}.blog-kicker{color:var(--applegreen);margin:0 0 12px}.blog-intro{opacity:.92;max-width:720px;color:var(--white);margin:0;font-size:1.15rem;line-height:1.6}.blog-list-sec{padding:48px 0 88px}.blog-filter{flex-wrap:wrap;gap:10px;margin-bottom:32px;display:flex}.blog-filter a{border:1.5px solid var(--midblue);color:var(--midblue);transition:var(--t);border-radius:999px;padding:9px 18px;font-size:.95rem;font-weight:500;text-decoration:none}.blog-filter a:hover{background:var(--white)}.blog-filter a.on{background:var(--nightblue);border-color:var(--nightblue);color:var(--white)}.blog-filter a:focus-visible{outline:3px solid var(--skyblue);outline-offset:2px}.blog-empty{font-size:1.05rem}.blog-grid{grid-template-columns:1fr;gap:28px;display:grid}@media (width>=760px){.blog-grid{grid-template-columns:repeat(2,1fr)}}.blog-card{background:var(--white);border-radius:var(--r);box-shadow:var(--shadow);color:inherit;transition:var(--t);grid-template-columns:120px 1fr;gap:20px;padding:22px;text-decoration:none;display:grid}.blog-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}.blog-card:focus-visible{outline:3px solid var(--skyblue);outline-offset:3px}.blog-card-img img{width:100%;height:auto;transition:var(--t);border-radius:4px;display:block;transform:perspective(600px)rotateY(-10deg);box-shadow:0 8px 18px #0a284138}.blog-card:hover .blog-card-img img{transform:none}.blog-card-body{flex-direction:column;gap:8px;min-width:0;display:flex}.blog-meta{color:var(--midblue);font-size:.82rem;font-weight:500}.blog-card-t{font-size:1.3rem;font-weight:700;line-height:1.25}.blog-card-s{-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:.98rem;line-height:1.55;display:-webkit-box;overflow:hidden}.blog-card-cta{color:var(--midblue);margin-top:auto;font-weight:600}@media (width<=420px){.blog-card{grid-template-columns:84px 1fr;gap:14px;padding:16px}.blog-card-t{font-size:1.12rem}}.art-hero{background:var(--nightblue);color:var(--white);padding:118px 0 44px}.art-hero-grid{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:28px;display:grid}.art-hero .blog-kicker,.art-hero .blog-intro,.art-hero .art-crumb,.art-hero .art-author small{color:var(--white)}.art-hero .blog-kicker{color:var(--applegreen)}.art-hero h1{max-width:850px;color:var(--white);font-size:clamp(2rem,3.2vw,2.75rem);line-height:1.16}.art-hero .blog-intro{opacity:1;max-width:660px;font-size:1.12rem}.art-backtop{margin:0 0 16px}.art-backtop a{color:var(--white);border:1.5px solid var(--skyblue);transition:var(--t);padding:7px 14px;font-size:.88rem;font-weight:600;text-decoration:none;display:inline-block}.art-backtop a:hover{background:var(--midblue)}.art-backtop a:focus-visible{outline:3px solid var(--skyblue);outline-offset:2px}.art-crumb{margin-bottom:24px;font-size:.88rem}.art-crumb a{color:var(--white)}.art-author{color:var(--white);align-items:center;gap:12px;margin-top:26px;display:flex}.art-author img{object-fit:cover;border-radius:50%;width:42px;height:42px}.art-author a{color:var(--white);font-weight:600;display:block}.art-author small{font-size:.85rem;display:block}.art-cover{width:112px;color:var(--white);text-align:center;flex-direction:column;align-items:center;gap:9px;font-size:.78rem;line-height:1.3;text-decoration:none;display:flex}.art-cover img{width:90px;height:auto;box-shadow:var(--shadow);display:block}.art-cover:hover span{text-decoration:underline}.art-layout{background:var(--white);gap:48px;padding-top:36px;padding-bottom:64px;display:grid}.blog:has(.art-layout){background:var(--white)}@media (width>=1024px){.art-layout{grid-template-columns:200px minmax(0,690px);justify-content:center;gap:72px}}.art-toc ol{margin:0;padding:0;list-style:none}.art-toc li a{color:var(--nightblue);border-bottom:1px solid var(--light);gap:10px;padding:9px 0;font-size:.87rem;line-height:1.35;text-decoration:none;display:flex}.art-toc li a:hover{color:var(--midblue)}.art-toc li a span{color:var(--midblue);flex:0 0 18px;font-weight:700}.art-toc-d{display:none}.art-toc-m{border-top:2px solid var(--nightblue);border-bottom:1px solid var(--nightblue);padding:12px 0}.art-toc-m summary{cursor:pointer;font-weight:600}.art-toc-m ol{margin-top:10px}@media (width>=1024px){.art-toc-m{display:none}.art-toc-d{display:block;position:sticky;top:105px}}.art-pdf{color:var(--midblue);margin-top:18px;font-weight:600;display:inline-block}.art-body{min-width:0;color:var(--nightblue);font-size:1.06rem;line-height:1.78}.art-body a{color:var(--midblue)}.art-body .art-sec{border-top:1px solid var(--skyblue);margin-bottom:30px;padding:24px 0 0;scroll-margin-top:100px;display:flow-root}.art-body .art-sec:first-child{border:0;padding-top:0}.art-kicker{color:var(--midblue);margin:0 0 8px}.art-body h2{color:var(--nightblue);margin:0 0 16px;font-size:clamp(1.65rem,2.8vw,2.1rem);line-height:1.24}.art-body h3{color:var(--nightblue);margin:25px 0 9px;font-size:1.26rem;line-height:1.35}.art-body p{color:var(--nightblue);margin:0 0 15px}.art-body ul,.art-body ol{margin:0 0 24px;padding-left:1.4em}.art-body li{margin-bottom:9px}.art-body li,.art-body dd,.art-body p{overflow-wrap:anywhere}.art-lead{font-size:1.17rem;font-weight:500;line-height:1.66}.art-label{color:var(--midblue);text-transform:uppercase;letter-spacing:.06em;margin-bottom:7px;font-size:.78rem;font-weight:700;display:block}.art-box{border-left:3px solid var(--skyblue);margin:17px 0;padding:3px 0 3px 14px;line-height:1.55}.art-box .art-label,.art-box strong{margin:0 8px 0 0;display:inline}.art-box strong:after{content:":"}.art-box p{margin:0;display:inline}.art-points{border-top:1px solid var(--skyblue);margin:28px 0 32px}.art-point{border-bottom:1px solid var(--light);grid-template-columns:minmax(0,210px) minmax(0,1fr);gap:18px;padding:15px 0;line-height:1.5;display:grid}.art-point dt{font-size:.96rem}.art-point dt span{color:var(--midblue);text-transform:uppercase;margin-bottom:2px;font-size:.77rem;font-weight:700;display:block}.art-point dd{margin:0;font-size:.97rem}.art-points.n3 .art-point{grid-template-columns:minmax(0,180px) minmax(0,1fr);padding-left:22px;position:relative}.art-points.n3 .art-point:before{content:"";background:var(--applegreen);border:1px solid var(--nightblue);border-radius:50%;width:11px;height:11px;position:absolute;top:22px;left:0}.art-points.n3 .art-point:nth-child(2):before{background:var(--traffic-orange)}.art-points.n3 .art-point:nth-child(3):before{background:var(--traffic-red)}.art-body .art-steps{counter-reset:steps;gap:0;margin:28px 0 34px;padding:0;list-style:none;display:grid}.art-steps li{grid-template-columns:52px minmax(0,1fr);gap:18px;margin:0;padding:0 0 26px;display:grid;position:relative}.art-steps li:last-child{padding-bottom:0}.art-steps li:not(:last-child):after{content:"";background:var(--skyblue);width:2px;position:absolute;top:48px;bottom:4px;left:25px}.art-step-num{background:var(--skyblue);width:52px;height:52px;color:var(--nightblue);z-index:1;border-radius:50%;justify-content:center;align-items:center;font-size:1.35rem;font-weight:800;line-height:1;display:flex}.art-steps li:nth-child(2) .art-step-num{background:var(--midblue);color:var(--white)}.art-steps li:nth-child(3) .art-step-num{background:var(--nightblue);color:var(--white)}.art-steps li:nth-child(4) .art-step-num{background:var(--applegreen);color:var(--nightblue)}.art-steps strong{color:var(--nightblue);margin:1px 0 4px;font-size:1.07rem;line-height:1.35;display:block}.art-body .art-steps p{margin:0;font-size:.98rem;line-height:1.6}.art-quote{border-left:4px solid var(--applegreen);color:var(--nightblue);margin:36px 0;padding:10px 0 10px 25px}.art-quote p{color:var(--nightblue);margin:0 0 10px;font-size:1.32rem;font-weight:600;line-height:1.5}.art-quote cite{color:var(--midblue);font-size:.88rem;font-style:normal}.art-fig{margin:30px 0 36px}.art-fig img{width:100%;height:auto;display:block}.art-fig figcaption{color:var(--midblue);margin-top:9px;font-size:.82rem;line-height:1.5}.art-fig-diagram a{border:1px solid var(--skyblue);padding:6px;display:block}.art-fig-diagram img{background:var(--white)}.art-fig-photo{max-width:320px}.art-fig-photo img{aspect-ratio:3/2;object-fit:cover}.art-fig-process{clear:both;max-width:510px}.art-figure-zoom{white-space:normal;border:1px solid var(--skyblue);background:var(--white);border-radius:0;width:100%;height:auto;padding:0;display:block;position:relative;overflow:hidden}.art-figure-zoom img{width:100%;height:auto;display:block}.art-figure-zoom:focus-visible{outline:3px solid var(--midblue);outline-offset:3px}.art-zoom-label{background:var(--nightblue);color:var(--white);padding:5px 10px;font-size:.78rem;font-weight:600;position:absolute;bottom:0;right:0}.art-image-dialog{background:var(--white);max-width:min(95vw,1100px);max-height:94vh;color:var(--nightblue);border:0;margin:auto;padding:6px 10px 10px;position:fixed;inset:0;overflow:auto}.art-image-dialog::backdrop{background:color-mix(in srgb,var(--nightblue) 82%,transparent)}.art-image-dialog img{width:max(100%,760px);max-width:none;height:auto;max-height:none;display:block}@media (width<=820px){.art-image-dialog img{width:100%}}.art-image-close{z-index:3;background:var(--nightblue);width:44px;height:44px;color:var(--white);border-radius:0;margin:0 0 6px auto;padding:0;font-size:1.7rem;line-height:1;display:block;position:sticky;top:6px}.art-image-close:hover{background:var(--midblue);color:var(--white)}.art-image-close:focus-visible{outline:3px solid var(--applegreen);outline-offset:2px}.art-summary{border-top:2px solid var(--nightblue);padding:18px 0 0;font-weight:600}.art-cta{background:var(--nightblue);color:var(--white);margin:40px 0;padding:34px}.art-cta .art-label{color:var(--applegreen)}.art-cta h2,.art-cta p{color:var(--white)}.art-cta-btns{flex-wrap:wrap;gap:12px;margin-top:8px;display:flex}.art-body .art-cta a.btn{color:var(--nightblue);text-decoration:none}.art-body .art-cta a.btn-ghost-light{border:1.5px solid var(--white);color:var(--white);background:0 0}.art-share{flex-wrap:wrap;gap:12px;margin-bottom:36px;display:flex}.art-share a,.art-share button{font:inherit;border:1.5px solid var(--midblue);background:var(--white);color:var(--midblue);cursor:pointer;border-radius:999px;padding:10px 18px;font-size:.95rem;text-decoration:none}.art-share a:focus-visible,.art-share button:focus-visible{outline:3px solid var(--skyblue);outline-offset:2px}.art-authorbox{border-top:1px solid var(--skyblue);border-bottom:1px solid var(--skyblue);align-items:flex-start;gap:18px;margin-bottom:40px;padding:24px 0;display:flex}.art-authorbox img{object-fit:cover;border-radius:50%;flex:0 0 64px;width:64px;height:64px}.art-authorbox p{margin:6px 0 8px;font-size:.98rem}.art-sources h2,.art-more h2{font-size:1.3rem}.art-sources ol{font-size:.9rem;line-height:1.55}.art-more a{margin-bottom:8px;font-weight:600;display:block}.art-back{margin-top:32px}.blog-missing{padding:160px 24px 100px}@media (width>=700px){.art-fig-photo{float:right;width:34%;max-width:220px;margin:4px 0 24px 28px}}@media (width<=699px){.art-hero{padding:105px 0 38px}.art-hero-grid{grid-template-columns:1fr;gap:20px}.art-cover{text-align:left;flex-direction:row;justify-self:start;gap:14px;width:auto}.art-cover img{width:52px}.art-layout{gap:30px;padding-top:24px}.art-body .art-sec{margin-bottom:25px}.art-point,.art-points.n3 .art-point{grid-template-columns:1fr;gap:4px}.art-steps li{grid-template-columns:44px minmax(0,1fr);gap:12px}.art-step-num{width:44px;height:44px;font-size:1.2rem}.art-steps li:not(:last-child):after{top:44px;left:21px}.art-cta{padding:24px}.art-cta-btns a{justify-content:center;width:100%}}