:root{--night:#202746;--night2:#303b5e;--ink:#252d40;--muted:#687184;--paper:#f7f7f4;--white:#fffdf9;--line:#dfe3e8;--orange:#ff9c64;--blue:#85c9de;--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75}img{display:block;max-width:100%;width:100%;height:auto;object-fit:cover}a{color:inherit;text-decoration:none}a:hover{color:#d5723b}button{font:inherit}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.site-header{background:var(--night);color:#f8f7f3;border-bottom:1px solid #ffffff24;position:relative;z-index:10}.nav-shell{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-size:15px;font-weight:800;letter-spacing:.02em;line-height:1.25;max-width:242px}.brand img{width:42px;height:42px;object-fit:contain;border-radius:11px}.nav{display:flex;align-items:center;gap:26px;font-size:13px;font-weight:600}.nav a{white-space:nowrap}.nav a:hover,.nav a[aria-current=page]{color:var(--orange)}.menu-toggle{display:none;border:1px solid #ffffff50;background:transparent;color:white;border-radius:8px;padding:7px 11px}.hero{background:radial-gradient(circle at 78% 12%,#57658d 0,transparent 27%),linear-gradient(127deg,#202746,#313957 65%,#283453);color:#fff;padding:68px 0 0;overflow:hidden}.hero-grid{display:grid;grid-template-columns:45% 55%;align-items:center;gap:0;min-height:445px}.eyebrow{color:var(--orange);font-size:11px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;margin:0 0 18px}.hero h1{font-size:clamp(34px,4.2vw,62px);line-height:1.18;letter-spacing:-.055em;margin:0 0 24px;max-width:600px}.hero h1 em{font-style:normal;color:#a9dce8}.hero-copy{position:relative;z-index:2;padding:0 28px 20px 0}.hero-copy p:not(.eyebrow){font-size:15px;color:#d6dce8;max-width:530px;margin:0 0 12px}.hero-image{padding:16px 22px 18px 24px;position:relative}.hero-image:before{content:"";position:absolute;inset:7px 8px 32px 8px;border:1px solid #ffffff30;border-radius:22px;transform:translate(13px,13px)}.hero-image img{aspect-ratio:1.56;border-radius:18px;box-shadow:0 24px 55px #0b10294d;position:relative}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border-radius:7px;background:var(--orange);color:#1f2940;font-size:13px;font-weight:800;line-height:1.3}.button:hover{background:#ffc29e;color:#1f2940}.button.ghost{background:transparent;color:#fff;border:1px solid #ffffff70}.button.ghost:hover{background:#ffffff15}.platform-strip{margin-top:48px;border-top:1px solid #ffffff30;display:grid;grid-template-columns:repeat(4,1fr)}.platform-strip a{padding:19px 22px;border-right:1px solid #ffffff24;color:#fff;display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:700}.platform-strip a:last-child{border:0}.platform-strip a span{color:var(--orange)}.platform-strip a:hover{background:#ffffff15}.section{padding:84px 0}.section.alt{background:#eef1f3}.section.dark{background:var(--night);color:white}.section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:32px}.section-head h2,.page-intro h1{font-size:clamp(29px,3.2vw,44px);line-height:1.25;letter-spacing:-.035em;margin:0}.section-head p{max-width:470px;color:var(--muted);margin:0}.section.dark .section-head p{color:#c5d0e1}.kicker{font-size:11px;letter-spacing:.18em;color:#d37847;font-weight:800;text-transform:uppercase;margin:0 0 10px}.quick-rail{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.quick-rail a{padding:25px 19px;border-right:1px solid var(--line);display:grid;gap:8px}.quick-rail a:last-child{border:0}.quick-rail strong{font-size:16px}.quick-rail small{font-size:12px;color:var(--muted)}.quick-rail b{color:#d87943}.quick-rail a:hover{background:#fff}.platform-row{display:grid;grid-template-columns:1.18fr 1fr;gap:22px;margin-bottom:22px}.platform-row.reverse{grid-template-columns:1fr 1.18fr}.platform-panel{display:grid;grid-template-columns:1fr 1fr;min-height:285px;background:#fff;border:1px solid var(--line);overflow:hidden;border-radius:12px}.platform-panel.photo-first img{order:0}.platform-panel.photo-first .panel-copy{order:1}.platform-panel img{height:100%;aspect-ratio:1.6}.panel-copy{padding:28px;display:flex;flex-direction:column;justify-content:center}.panel-copy .num{font-size:11px;color:#d37847;font-weight:800;letter-spacing:.15em}.panel-copy h3{font-size:21px;line-height:1.3;margin:8px 0}.panel-copy p{font-size:13px;color:var(--muted);margin:0 0 15px}.text-link{font-size:13px;color:#bf663b;font-weight:800}.step-band{display:grid;grid-template-columns:110px minmax(180px,1fr) 1.6fr;gap:20px;align-items:center;padding:23px 0;border-top:1px solid #ffffff4a}.step-band:last-child{border-bottom:1px solid #ffffff4a}.step-band .step{color:var(--orange);font-size:12px;letter-spacing:.15em;font-weight:800}.step-band h3{margin:0;font-size:19px}.step-band p{margin:0;color:#cbd4e3;font-size:14px}.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.scene{background:white;border:1px solid var(--line);border-radius:11px;overflow:hidden}.scene img{aspect-ratio:1.85}.scene div{padding:24px}.scene h3{font-size:21px;margin:0 0 8px}.scene p{color:var(--muted);font-size:14px;margin:0}.feature-wide{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}.feature-wide img{aspect-ratio:1.55;border-radius:12px}.feature-wide h2{font-size:36px;line-height:1.3;margin:0 0 17px}.feature-wide p{color:var(--muted);font-size:14px}.feature-wide ol{padding-left:23px;color:var(--muted);font-size:14px}.feature-wide li{padding:6px 0}.news-tier{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px;margin:18px 0}.news-tier.reverse{grid-template-columns:1fr 1fr 1.4fr}.news-item{border-top:2px solid #77869c;padding-top:14px;min-width:0}.news-item img{aspect-ratio:1.6;border-radius:7px}.news-item .meta{font-size:11px;color:#b46b45;font-weight:800;letter-spacing:.12em;margin:13px 0 5px}.news-item h3{font-size:17px;line-height:1.4;margin:0 0 7px}.news-item p{font-size:13px;color:var(--muted);margin:0}.faq-band{display:grid;grid-template-columns:1fr 1.45fr;gap:40px;align-items:start;border-top:1px solid var(--line);padding:26px 10px}.faq-band:last-child{border-bottom:1px solid var(--line)}.faq-band:nth-child(even){grid-template-columns:1.45fr 1fr}.faq-band:nth-child(even) .question{order:2}.faq-band .question small{color:#d57643;font-weight:800;letter-spacing:.16em}.faq-band h3{font-size:18px;line-height:1.4;margin:6px 0 0}.faq-band p{margin:0;color:var(--muted);font-size:14px}.link-row{display:flex;flex-wrap:wrap;gap:12px}.link-row a{border:1px solid var(--line);padding:10px 15px;border-radius:6px;background:white;font-size:13px;font-weight:700}.cta-slim{padding:48px 0;background:#dfe7eb}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.cta-inner h2{margin:0;font-size:26px}.cta-inner p{margin:5px 0 0;color:var(--muted);font-size:14px}.site-footer{background:#18203a;color:#d5dae6;padding:49px 0 26px;font-size:12px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}.site-footer strong{font-size:16px;color:white}.site-footer p{max-width:390px}.footer-links{display:grid;gap:8px}.footer-links a:hover{color:var(--orange)}.footer-bottom{border-top:1px solid #ffffff25;margin-top:35px;padding-top:21px;display:flex;flex-wrap:wrap;gap:12px 28px}.page-hero{background:linear-gradient(120deg,#202746,#384665);color:white;padding:54px 0 64px}.crumb{font-size:12px;color:#c3ccdd;margin-bottom:25px}.crumb a:hover{color:white}.page-intro{max-width:790px}.page-intro p{color:#d5dce8;margin:14px 0 0;font-size:15px}.page-body{padding:64px 0 88px}.lead{font-size:16px;color:#4c5a6e;max-width:830px}.index-rail{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 46px}.index-rail a{border:1px solid var(--line);background:white;border-radius:6px;padding:8px 15px;font-size:12px;font-weight:800}.device-section{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:47px 0;border-top:1px solid var(--line);scroll-margin-top:25px}.device-section:nth-of-type(even) img{order:2}.device-section img{aspect-ratio:1.6;border-radius:12px}.device-section h2{font-size:30px;margin:4px 0 13px;line-height:1.3}.device-section p,.device-section li{font-size:14px;color:var(--muted)}.device-section ul{padding-left:19px}.device-section li{margin:6px 0}.resource-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.resource-list a{font-size:13px;padding:8px 13px;background:white;border:1px solid var(--line);border-radius:5px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:55px}.article-content{font-size:15px;color:#4d586b}.article-content h2{font-size:26px;color:var(--ink);margin:35px 0 12px}.article-content h3{font-size:19px;color:var(--ink);margin:27px 0 10px}.article-content p{margin:0 0 17px}.article-content img{aspect-ratio:1.6;border-radius:9px;margin:25px 0 8px}.article-content .caption{font-size:12px;color:var(--muted)}.article-sidebar{border-top:2px solid var(--orange);padding-top:14px}.article-sidebar h2{font-size:18px;margin:0 0 12px}.article-sidebar a{display:block;border-bottom:1px solid var(--line);padding:11px 0;font-size:13px}.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:40px;border-top:1px solid var(--line);padding-top:20px}.article-nav a{padding:16px;background:white;border:1px solid var(--line);border-radius:7px;font-size:13px}.article-nav small{display:block;color:var(--muted);margin-bottom:4px}.prose{max-width:860px;font-size:15px;color:#4d586b}.prose h2{font-size:26px;color:var(--ink);margin:37px 0 12px}.prose p{margin:0 0 18px}.prose ul{padding-left:21px}.prose li{margin:8px 0}.simple-list{border-top:1px solid var(--line)}.simple-list a{display:grid;grid-template-columns:190px 1fr;gap:26px;padding:20px 0;border-bottom:1px solid var(--line);align-items:center}.simple-list img{aspect-ratio:1.6;border-radius:7px}.simple-list h2{font-size:20px;margin:0 0 7px}.simple-list p{font-size:13px;color:var(--muted);margin:0}.tutorial-step{display:grid;grid-template-columns:95px 1fr 220px;gap:23px;align-items:center;border-top:1px solid var(--line);padding:25px 0}.tutorial-step img{aspect-ratio:1.6;border-radius:7px}.tutorial-step strong{color:#d37945}.tutorial-step h2{font-size:20px;margin:3px 0}.tutorial-step p{color:var(--muted);font-size:14px;margin:0}@media(max-width:1000px){.nav{gap:13px;font-size:12px}.brand{font-size:13px}.platform-row,.platform-row.reverse{grid-template-columns:1fr}.hero-grid{grid-template-columns:48% 52%}.hero h1{font-size:42px}.article-layout{gap:30px}}@media(max-width:720px){.wrap{width:min(100% - 32px,var(--max))}.nav-shell{height:68px}.brand{max-width:205px;font-size:12px}.brand img{width:38px;height:38px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--night);padding:18px 20px 24px;flex-direction:column;align-items:flex-start;gap:14px;border-top:1px solid #ffffff28}.nav.open{display:flex}.hero{padding-top:47px}.hero-grid{grid-template-columns:1fr;min-height:0}.hero-copy{padding:0}.hero h1{font-size:clamp(37px,9vw,50px)}.hero-image{padding:26px 4px 0}.hero-image:before{inset:17px 0 12px}.platform-strip{margin-top:34px;grid-template-columns:1fr 1fr}.platform-strip a:nth-child(2){border-right:0}.platform-strip a:nth-child(-n+2){border-bottom:1px solid #ffffff24}.section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:12px}.quick-rail{grid-template-columns:1fr 1fr}.quick-rail a:nth-child(2){border-right:0}.quick-rail a:nth-child(-n+2){border-bottom:1px solid var(--line)}.platform-panel{min-height:0}.panel-copy{padding:19px}.panel-copy h3{font-size:17px}.panel-copy p{font-size:12px}.step-band{grid-template-columns:70px 1fr;gap:9px;padding:20px 0}.step-band p{grid-column:2}.scene-grid,.feature-wide,.device-section,.article-layout{grid-template-columns:1fr}.feature-wide{gap:25px}.news-tier,.news-tier.reverse{grid-template-columns:1fr 1fr}.news-item:first-child{grid-column:1/-1}.news-tier.reverse .news-item:last-child{grid-column:1/-1}.faq-band,.faq-band:nth-child(even){grid-template-columns:1fr;gap:8px}.faq-band:nth-child(even) .question{order:0}.cta-inner{display:block}.cta-inner .button{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.device-section:nth-of-type(even) img{order:0}.device-section{gap:22px}.article-sidebar{margin-top:20px}.tutorial-step{grid-template-columns:60px 1fr}.tutorial-step img{grid-column:1/-1;order:3}.simple-list a{grid-template-columns:120px 1fr;gap:15px}}@media(max-width:460px){.platform-panel{grid-template-columns:1fr}.platform-panel img,.platform-panel.photo-first img{order:0;aspect-ratio:1.8}.platform-panel .panel-copy,.platform-panel.photo-first .panel-copy{order:1}.news-tier,.news-tier.reverse{grid-template-columns:1fr}.news-item,.news-item:first-child,.news-tier.reverse .news-item:last-child{grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.simple-list a{grid-template-columns:1fr}.simple-list img{max-width:100%}.article-nav{grid-template-columns:1fr}.page-hero{padding:40px 0 48px}}
/* Equal-sized images in alternating editorial news bands. */
@media (min-width:981px){
  .news-tier,.news-tier.reverse{grid-template-columns:repeat(4,minmax(0,1fr))}
  .news-tier:not(.reverse) .news-item:first-child,.news-tier.reverse .news-item:last-child{grid-column:span 2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:18px;align-content:start}
  .news-tier:not(.reverse) .news-item:first-child>a:first-child,.news-tier.reverse .news-item:last-child>a:first-child{grid-column:1;grid-row:1}
  .news-tier:not(.reverse) .news-item:first-child>.meta,.news-tier.reverse .news-item:last-child>.meta{grid-column:1;grid-row:2;margin-top:13px}
  .news-tier:not(.reverse) .news-item:first-child>h3,.news-tier.reverse .news-item:last-child>h3{grid-column:1;grid-row:3}
  .news-tier:not(.reverse) .news-item:first-child>p:last-child,.news-tier.reverse .news-item:last-child>p:last-child{grid-column:2;grid-row:1 / span 3;background:#e9eef1;border-left:2px solid #b6c9d2;padding:20px;margin:0;font-size:15px;line-height:2}
}
@media (min-width:721px) and (max-width:980px){.news-tier,.news-tier.reverse{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:720px){.news-tier,.news-tier.reverse{grid-template-columns:1fr}.news-tier .news-item:first-child,.news-tier.reverse .news-item:last-child{grid-column:auto}}