:root{--ice:#f2f4f8;--silver:#e0e5ee;--ink:#1a2442;--muted:#5b6580;--midnight:#0e152c;--indigo:#242b51;--cyan:#9cefe7;--purple:#7668df;--orange:#f59b68;--rule:#cdd3e0;--measure:1264px;--curve:6px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:150px}body{margin:0;background:var(--ice);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}p a,.reading-text a{color:#4542a1;text-decoration:underline;text-underline-offset:4px}a:hover{color:#4542a1}button{font:inherit;cursor:pointer}img{max-width:100%;display:block;height:auto}button,a{touch-action:manipulation}a:focus-visible,button:focus-visible{outline:3px solid var(--purple);outline-offset:5px}button{color:inherit}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.4;font-weight:650}h2{font-size:clamp(26px,3vw,42px);letter-spacing:-.035em}h3{font-size:21px}p+p{margin-top:18px}ul,ol{padding-left:24px}svg{display:block}main{min-height:60vh}.shell{width:min(var(--measure),calc(100% - 80px));margin-inline:auto}.inset{width:min(1072px,calc(100% - 80px));margin-inline:auto}.caption,.kicker{font-size:12px;letter-spacing:.13em;text-transform:uppercase;font-weight:600}.kicker{display:block;color:var(--muted);margin-bottom:16px}.site-mast{position:sticky;top:0;z-index:40;background:rgba(242,244,248,.97);border-bottom:1px solid var(--rule);transition:box-shadow .2s}.site-mast.has-depth{box-shadow:0 8px 25px #10173315}.mast-line{display:flex;justify-content:space-between;align-items:center;min-height:76px;gap:24px}.wordmark{display:flex;align-items:center;gap:13px}.wordmark strong{font-size:22px;letter-spacing:.04em;display:block;line-height:1.35}.wordmark small{font-size:12px;letter-spacing:.16em;color:var(--muted)}.mast-context{display:flex;gap:16px;align-items:center;font-size:14px}.edition{border-right:1px solid var(--rule);padding-right:18px;color:var(--muted)}.context-dot{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;margin-right:8px}.nav-rail{border-top:1px solid var(--rule);display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:49px}.nav-rail a{font-size:14px;position:relative;padding:10px 4px}.nav-rail a[aria-current="page"]{background:var(--cyan);padding-inline:13px;color:var(--ink)}.nav-rail a:hover{background:#e2e5f1}.drawer-button{display:none;border:1px solid var(--rule);background:var(--ice);padding:8px 16px;border-radius:var(--curve)}.drawer-shade{display:none}.breadcrumbs{font-size:13px;color:var(--muted);padding:22px 0;display:flex;gap:12px;flex-wrap:wrap}.breadcrumbs a{text-decoration:underline;text-underline-offset:4px}.capture-lead{padding-bottom:42px}.lead-heading{display:grid;grid-template-columns:1.35fr 1fr;gap:58px;align-items:end;padding:12px 0 28px}.lead-heading h1{font-size:clamp(30px,3.8vw,52px);letter-spacing:-.045em;white-space:nowrap}.lead-subline{font-size:19px;color:var(--muted);margin-top:13px}.lead-heading p{max-width:490px;color:var(--muted);line-height:1.8}.lab-panorama{position:relative;background:var(--midnight);overflow:hidden;border-radius:var(--curve)}.lab-panorama img{width:100%;height:clamp(300px,35vw,445px);object-fit:cover}.lab-panorama figcaption{position:absolute;bottom:22px;left:24px;background:#0e152cdb;color:#e4eaf6;padding:8px 14px;border-left:2px solid var(--cyan);font-size:12px;letter-spacing:.09em}.access-bar{display:grid;grid-template-columns:1fr auto auto;align-items:center;border:1px solid var(--rule);border-top:0;background:#e4e8ef;padding:20px 25px;gap:14px}.access-bar span{font-size:14px;color:var(--muted)}.action{display:inline-flex;align-items:center;justify-content:center;background:var(--indigo);color:white;min-height:46px;padding:10px 22px;border:1px solid var(--indigo);border-radius:3px;font-size:15px;font-weight:600;text-align:center}.action:hover{background:#373b6b;color:white}.action.quiet{background:transparent;color:var(--ink);border-color:#afb8cd}.action.quiet:hover{background:white}.module{padding:78px 0}.module-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:34px}.module-heading p{max-width:430px;color:var(--muted)}.brand-note{display:grid;grid-template-columns:300px 1fr;gap:82px;padding:40px 0 76px}.brand-note h2{font-size:30px}.brand-copy{columns:2;column-gap:34px}.brand-copy p{color:var(--muted);break-inside:avoid}.signal-deck{background:var(--midnight);color:#eff3fb;padding:64px 0 72px}.signal-deck .kicker{color:#9faac4}.signal-deck .module-heading p{color:#aeb9d1}.interface-matrix{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:auto auto;gap:1px;background:#454d65;border:1px solid #454d65}.interface-matrix a{background:#19213a;padding:24px;min-height:116px;transition:background .2s}.interface-matrix a:hover{background:#252f4c;color:var(--cyan)}.interface-matrix h3{font-size:18px;margin:12px 0 4px}.interface-matrix small{display:block;font-size:14px;color:#adb9d0}.interface-matrix .matrix-primary{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;background:#242c4b}.port-id{font-size:12px;letter-spacing:.12em;color:var(--cyan)}.pulse-chart{width:100%;height:64px;margin:26px 0;color:var(--cyan)}.pulse-chart path{stroke-dasharray:650;animation:trace 4s ease-out both}.matrix-key{display:flex;justify-content:space-between;gap:20px;font-size:13px;margin-top:16px;color:#acb6cc}.matrix-key span:first-child{color:var(--cyan)}.device-array{display:grid;grid-template-columns:1.5fr 1fr .85fr;grid-template-rows:auto auto;gap:16px}.device-module{padding:28px;background:#e5e9f0;border:1px solid var(--rule);border-radius:var(--curve)}.device-module h3{margin:18px 0 12px}.device-module p{font-size:15px;color:var(--muted)}.device-module a{font-size:14px;border-bottom:1px solid currentColor;display:inline-block;margin-top:20px}.device-module .caption{color:var(--muted)}.device-desktop{grid-row:span 2;padding:0;background:white;overflow:hidden}.device-desktop img{aspect-ratio:16/9;object-fit:cover}.device-desktop .station-copy{padding:26px}.android-module{grid-row:span 2;background:var(--indigo);color:white;display:flex;flex-direction:column;justify-content:space-between}.android-module p,.android-module .caption{color:#bbc6dd}.android-module .port-lines{border-top:1px solid #525b78;border-bottom:1px solid #525b78;padding:14px 0;margin:22px 0;color:var(--cyan);font-family:Consolas,monospace;font-size:13px}.ios-module{background:#d7f0ed}.mac-module{background:#e8e4f6}.browser-row{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-top:20px;padding:23px 0;border-bottom:1px solid var(--rule);color:var(--muted);font-size:15px}.browser-row h3{font-size:18px;min-width:120px;color:var(--ink)}.browser-row a{white-space:nowrap;text-decoration:underline}.procedure-panel{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:45px 0}.procedure-layout{display:grid;grid-template-columns:1fr 2fr;gap:75px}.procedure-layout h2{font-size:32px}.procedure-layout p{color:var(--muted);margin:18px 0}.phase-list{list-style:none;margin:0;padding:0}.phase-list li{display:grid;grid-template-columns:48px 1fr auto;gap:20px;align-items:center;padding:16px 0;border-bottom:1px solid var(--rule)}.phase-list li:last-child{border:0}.phase-number{width:40px;height:40px;display:grid;place-items:center;border:1px solid #bac3d6;border-radius:50%;font-family:Consolas,monospace;font-size:14px}.phase-list li:nth-child(even) .phase-number{background:#ded9f1}.phase-list span:last-child{color:var(--muted);font-size:12px}.feature-block{display:grid;grid-template-columns:1.5fr 1fr;align-items:center;gap:64px}.feature-block img{width:100%;border-radius:var(--curve)}.feature-block p{margin:22px 0;color:var(--muted)}.feature-block h2{font-size:34px}.feature-block.mirrored-feature{grid-template-columns:1fr 1.4fr}.feature-block.mirrored-feature figure{order:2}.feature-block figcaption{font-size:12px;color:var(--muted);padding-top:12px}.topic-links{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--ink);margin-top:38px}.topic-links a{padding:20px;border-right:1px solid var(--rule);font-size:15px}.topic-links a:last-child{border:0}.topic-links small{display:block;color:var(--muted);margin-top:7px;font-size:13px}.silver-band{background:#e2e6ef}.concept-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:35px;margin-top:35px}.concept-strip article{border-top:2px solid var(--purple);padding-top:18px}.concept-strip h3{font-size:22px;margin-bottom:10px}.concept-strip p{font-size:15px;color:var(--muted)}.concept-strip .caption{color:var(--muted)}.timing-topic{padding:64px 0;background:#202848;color:white}.timing-topic .kicker{color:#b6c2da}.timing-topic .feature-block p{color:#c0cae0}.timing-topic .action{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}.timing-topic figcaption{color:#b6c2da}.verification-pair{display:grid;grid-template-columns:1.2fr 1fr;gap:65px}.verification-pair h2{font-size:32px}.check-notes{padding:0;list-style:none;margin:24px 0}.check-notes li{padding:13px 0;border-bottom:1px solid var(--rule);display:flex;gap:15px}.check-notes li::before{content:"+";color:#6354b7;font-weight:bold}.error-channel{padding:30px;background:#e5e7f0;border-left:3px solid var(--orange)}.error-channel p{color:var(--muted);margin:18px 0}.error-channel a{font-size:15px;text-decoration:underline}.knowledge-layout{display:grid;grid-template-columns:300px 1fr;gap:72px}.knowledge-entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 38px}.knowledge-entry-grid a{border-top:1px solid var(--rule);padding:18px 0;display:block}.knowledge-entry-grid h3{font-size:17px}.knowledge-entry-grid p{font-size:14px;color:var(--muted);margin-top:8px}.knowledge-layout>div>p{color:var(--muted);margin:20px 0}.faq-surface{padding:52px;background:#e6eaf1;border-top:3px solid var(--purple)}.faq-surface h2{font-size:32px;margin-bottom:27px}.question-unit{border-bottom:1px solid #bec7d8}.question-trigger{display:flex;justify-content:space-between;gap:24px;text-align:left;width:100%;border:0;background:transparent;padding:20px 0;align-items:center;font-size:17px;font-weight:550}.question-trigger::after{content:"−";font-size:23px;color:#6059a0;flex-shrink:0}.question-trigger[aria-expanded="false"]::after{content:"+"}.answer-copy{padding:0 50px 23px 0;color:var(--muted);font-size:15px}.answer-copy[hidden]{display:none}.faq-ending{margin-top:26px;display:inline-block;text-decoration:underline;font-size:15px}.end-terminal{background:#10172c;color:#e2e8f4;padding:58px 0 24px;border-top:4px solid #5962a5}.footer-upper{display:grid;grid-template-columns:1fr 1.6fr;gap:60px;border-bottom:1px solid #354059;padding-bottom:32px}.footer-brandline{display:flex;align-items:center;gap:16px;margin-bottom:18px}.footer-brandline strong{font-size:18px}.footer-description{color:#a3b0ca;max-width:420px;font-size:14px}.footer-index{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-index h2{font-size:14px;color:var(--cyan);letter-spacing:.04em;margin-bottom:14px}.footer-index a{font-size:14px;display:block;padding:3px 0;color:#b7c3da}.footer-index a:hover,.end-terminal a:hover{color:var(--cyan)}.footer-tail{display:flex;justify-content:space-between;align-items:center;gap:25px;font-size:13px;padding:26px 0 18px;color:#b7c3da}.footer-tail a{text-decoration:underline;white-space:nowrap}.filing-pair{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:#b7c3da;padding-top:17px;border-top:1px solid #354059}.link-exchange{padding-top:24px;margin-top:15px;border-top:1px solid #354059}.link-exchange h2{font-size:14px;color:#a3b0ca;margin-bottom:14px}.link-exchange div{display:flex;gap:9px 22px;flex-wrap:wrap}.link-exchange a{font-size:13px;color:#a3b0ca}.doc-front{padding-bottom:35px}.doc-identity{display:grid;grid-template-columns:1fr auto;gap:35px;align-items:end;border-bottom:2px solid var(--ink);padding:16px 0 32px}.doc-identity h1{font-size:clamp(28px,3.5vw,44px);max-width:880px;letter-spacing:-.035em}.doc-meta{font-size:13px;color:var(--muted);margin-top:18px}.doc-number{font-family:Consolas,monospace;font-size:54px;line-height:1;color:#c0c6d6}.doc-opening{display:grid;grid-template-columns:1.1fr 1fr;gap:45px;align-items:center;padding-top:32px}.doc-opening p{font-size:18px;line-height:1.9;color:var(--muted)}.doc-opening img{width:100%;height:220px;object-fit:cover;border-radius:var(--curve)}.reading-grid{display:grid;grid-template-columns:245px minmax(0,1fr);gap:62px;padding-top:35px;padding-bottom:70px}.doc-contents{align-self:start;position:sticky;top:158px;border-left:2px solid var(--purple);padding:0 0 0 21px}.doc-contents h2{font-size:16px;margin-bottom:15px}.doc-contents a{display:block;font-size:14px;color:var(--muted);padding:8px 0;line-height:1.6}.doc-contents a:hover{color:#4c46a4}.reading-text{max-width:875px}.reading-text>section{padding:0 0 32px;margin-bottom:32px;border-bottom:1px solid var(--rule)}.reading-text h2{font-size:27px;margin-bottom:21px}.reading-text h3{font-size:19px;margin:25px 0 13px}.reading-text p{margin-bottom:17px;color:#444f68}.reading-text li{margin:12px 0;color:#444f68}.doc-caution{border-left:3px solid var(--orange);background:#e5e9f1;padding:22px 26px;margin:28px 0;font-size:15px}.doc-caution strong{display:block;margin-bottom:8px}.reading-text .follow-on{padding-top:20px;border-bottom:0}.follow-on-links{display:flex;flex-direction:column;gap:14px}.follow-on-links a{display:grid;grid-template-columns:32px 1fr;gap:15px;background:#e4e8f0;padding:18px 20px;text-decoration:none;font-size:15px}.follow-on-links span{color:var(--muted);font-size:13px;font-family:Consolas,monospace}.reading-text .question-trigger{font-size:17px}.reading-text .answer-copy{padding-right:20px}.news-directory{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.news-directory a{background:#e3e7ef;padding:22px;text-decoration:none}.news-directory h3{margin:6px 0 12px;font-size:20px}.news-directory p{font-size:15px;margin:0}.reading-text .platform-route{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.platform-route a{border:1px solid var(--rule);padding:10px 17px;font-size:15px;text-decoration:none}.skip-entry{position:fixed;top:10px;left:12px;z-index:100;transform:translateY(-180%);background:white;padding:10px 18px}.skip-entry:focus{transform:none}@keyframes trace{from{stroke-dashoffset:650}to{stroke-dashoffset:0}}
@media(min-width:1500px){.capture-lead{padding-top:8px}.module{padding-block:88px}.lab-panorama img{height:465px}}
@media(max-width:1100px){.shell,.inset{width:calc(100% - 48px)}.lead-heading{grid-template-columns:1.4fr 1fr;gap:28px}.lead-heading h1{font-size:35px}.lead-subline{font-size:17px}.mast-context .edition{display:none}.nav-rail{gap:5px}.nav-rail a{font-size:13px}.brand-note{gap:35px;grid-template-columns:240px 1fr}.feature-block{gap:35px}.device-array{grid-template-columns:1.25fr 1fr 1fr}.procedure-layout{gap:35px}.knowledge-layout{grid-template-columns:230px 1fr;gap:35px}.footer-upper{gap:30px}.footer-index{grid-template-columns:1fr 1fr;gap:24px}.reading-grid{grid-template-columns:205px 1fr;gap:35px}.topic-links a{padding:16px 12px}.module{padding-block:60px}.faq-surface{padding:35px}.doc-opening{gap:30px}.concept-strip{gap:22px}}
@media(max-width:760px){html{scroll-padding-top:92px}.shell,.inset{width:calc(100% - 36px)}.mast-line{min-height:74px}.wordmark img{width:34px;height:34px}.wordmark strong{font-size:19px}.wordmark small{font-size:11px}.mast-context{display:none}.drawer-button{display:block}.nav-rail{position:fixed;top:74px;right:0;width:min(88vw,360px);height:calc(100dvh - 74px);display:flex;flex-direction:column;justify-content:flex-start;align-items:stretch;gap:0;padding:28px 24px;background:var(--midnight);border-top:3px solid var(--purple);visibility:hidden;transform:translateX(102%);transition:transform .22s ease,visibility .22s;color:#eef3ff;overflow-y:auto}.nav-rail.is-visible{visibility:visible;transform:none}.nav-rail a{font-size:17px;border-bottom:1px solid #354059;padding:16px 12px}.nav-rail a:hover{background:#252f4c;color:white}.nav-rail a[aria-current="page"]{padding:16px 12px}.drawer-shade{position:fixed;inset:74px 0 0;background:#0e152c88;z-index:35;border:0}.drawer-shade.is-visible{display:block}.breadcrumbs{padding:17px 0;font-size:12px}.lead-heading{display:block;padding:8px 0 24px}.lead-heading h1{font-size:clamp(25px,6vw,36px);white-space:normal;letter-spacing:-.04em}.lead-heading p{margin-top:20px;font-size:15px;max-width:none}.lead-subline{font-size:16px}.kicker{font-size:11px;margin-bottom:12px}.lab-panorama img{height:300px}.lab-panorama figcaption{left:14px;bottom:14px;max-width:calc(100% - 28px);font-size:10px}.access-bar{grid-template-columns:1fr 1fr;padding:16px;gap:12px}.access-bar span{grid-column:span 2;font-size:13px}.action{font-size:14px;padding:10px 12px}.capture-lead{padding-bottom:22px}.brand-note{display:block;padding:30px 0 48px}.brand-note h2{font-size:27px;margin-bottom:22px}.brand-copy{columns:auto}.module-heading{display:block;margin-bottom:27px}.module-heading p{margin-top:18px;max-width:none}.module{padding:47px 0}.signal-deck{padding:45px 0}.interface-matrix{grid-template-columns:1fr 1fr}.interface-matrix .matrix-primary{grid-column:span 2;grid-row:auto}.interface-matrix a{padding:20px;min-height:115px}.interface-matrix h3{font-size:17px}.matrix-primary .pulse-chart{margin:16px 0}.matrix-key{font-size:11px}.device-array{grid-template-columns:1fr 1fr;gap:12px}.device-desktop{grid-column:span 2;grid-row:auto}.android-module{grid-row:span 2;padding:22px}.ios-module,.mac-module{padding:22px}.device-module h3{font-size:19px}.device-module p{font-size:14px}.browser-row{flex-wrap:wrap;gap:12px}.browser-row p{width:100%;order:3}.procedure-layout{display:block}.procedure-layout>div{margin-bottom:25px}.phase-list li{grid-template-columns:38px 1fr;gap:15px}.phase-list span:last-child{display:none}.feature-block,.feature-block.mirrored-feature{display:flex;flex-direction:column;gap:28px;align-items:stretch}.feature-block.mirrored-feature figure{order:0}.feature-block h2{font-size:29px}.feature-block p{margin:16px 0}.topic-links{grid-template-columns:1fr 1fr;margin-top:28px}.topic-links a{border-bottom:1px solid var(--rule);padding:18px 10px}.topic-links a:nth-child(2){border-right:0}.concept-strip{grid-template-columns:1fr 1fr;gap:28px 24px}.timing-topic{padding:45px 0}.verification-pair{display:block}.error-channel{margin-top:35px;padding:25px}.knowledge-layout{display:block}.knowledge-layout>div:first-child{margin-bottom:30px}.knowledge-entry-grid{gap:0 25px}.knowledge-entry-grid h3{font-size:16px}.faq-surface{padding:24px 20px}.faq-surface h2{font-size:27px}.question-trigger{font-size:16px;gap:18px;line-height:1.7}.answer-copy{padding-right:0}.footer-upper{display:block}.footer-index{margin-top:32px;grid-template-columns:1fr 1fr;gap:28px}.footer-tail{display:block;font-size:12px}.footer-tail a{display:inline-block;margin-top:12px}.filing-pair{font-size:12px;gap:8px}.end-terminal{padding-top:40px}.doc-identity{gap:15px;padding:10px 0 24px}.doc-identity h1{font-size:28px}.doc-number{font-size:32px}.doc-opening{display:flex;flex-direction:column;gap:25px;align-items:stretch}.doc-opening p{font-size:16px}.doc-opening img{height:230px}.reading-grid{display:block;padding-top:10px}.doc-contents{position:static;border:1px solid var(--rule);border-top:2px solid var(--purple);padding:20px;margin-bottom:35px}.doc-contents a{padding:7px 0}.reading-text h2{font-size:24px}.reading-text>section{padding-bottom:22px;margin-bottom:28px}.doc-caution{padding:20px}.news-directory{grid-template-columns:1fr}.follow-on-links a{font-size:14px;padding:16px}.doc-front{padding-bottom:25px}}
@media(max-width:380px){.shell,.inset{width:calc(100% - 28px)}.device-array{display:block}.device-module{margin-bottom:12px}.interface-matrix h3{font-size:16px}.access-bar{grid-template-columns:1fr}.access-bar span{grid-column:auto}.concept-strip{gap:20px}.knowledge-entry-grid{grid-template-columns:1fr}.doc-number{display:none}.doc-identity{display:block}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
.lightningi-govcn-head .nav-rail{border-top-color:#c7c9df}.lightningi-govcn-pulse .lab-panorama{border:1px solid #394467}.lightningi-govcn-signal .matrix-primary{box-shadow:inset 0 3px var(--cyan)}.lightningi-govcn-device .mac-module{border-color:#c9bee8}.lightningi-govcn-flow .phase-number{border-color:#a4abca}.lightningi-govcn-timing .feature-block{border-top:1px solid #505a7c;padding-top:22px}.lightningi-govcn-guide .knowledge-entry-grid{border-bottom:1px solid var(--rule)}.lightningi-govcn-faq{box-shadow:0 15px 30px #1a244207}.lightningi-govcn-footer .footer-brandline{border-left:2px solid var(--cyan);padding-left:16px}.lightningi-govcn-panel .doc-identity{border-bottom-color:#6257b5}.lightningi-govcn-a7 .doc-contents{border-left-color:#68a4a5}
@media(min-width:761px) and (max-width:1100px){.lead-heading{grid-template-columns:1fr;gap:18px}.lead-heading h1{font-size:42px}.lead-heading p{max-width:740px}.mast-context{font-size:13px}}