:root{--paper:#fbfaf7;--rice:#f6f3ee;--ink:#17151f;--muted:#696476;--line:#ded7eb;--line-strong:#b9a6d8;--lav:#ede5fb;--purple:#7357be;--deep:#372956;--sage:#dce8df;--rust:#b46a45;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#fbfaf7 0,#fbfaf7 58%,#f4f0eb 100%);color:var(--ink);font-family:Inter,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;letter-spacing:0}a{color:inherit}.nj-top{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:18px;padding:13px clamp(18px,4vw,58px);background:rgba(251,250,247,.93);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.nj-brand{display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:9px;text-decoration:none;min-width:310px;max-width:440px}.nj-brand span{grid-row:1/3;width:34px;height:34px;border:1px solid var(--purple);background:linear-gradient(135deg,#fff,#eee4ff);box-shadow:inset 0 0 0 8px #fbfaf7}.nj-brand b{font-size:15px;line-height:1.18;overflow-wrap:anywhere}.nj-brand small{font:12px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}.nj-top nav{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}.nj-top nav a,.nj-actions a,.nj-related a,.nj-articles .nj-section-head a,.nj-scenario-river a{border:1px solid var(--line-strong);background:#fff;color:var(--deep);padding:9px 12px;text-decoration:none;font-weight:850}.nj-top nav a:hover,.nj-actions a:hover,.nj-related a:hover,.nj-articles .nj-section-head a:hover,.nj-scenario-river a:hover{border-color:var(--purple);background:var(--lav)}.nj-menu{display:none;margin-left:auto;border:1px solid var(--line-strong);background:#fff;color:var(--deep);padding:9px 12px;font-weight:850}.nj-hero{min-height:calc(100vh - 62px);display:grid;grid-template-columns:minmax(0,.86fr) minmax(430px,1.14fr);gap:36px;align-items:center;padding:42px clamp(18px,4vw,58px) 34px;background:linear-gradient(90deg,rgba(255,255,255,.9),rgba(251,250,247,.76)),radial-gradient(circle at 22px 22px,rgba(115,87,190,.11) 1px,transparent 1.5px);background-size:auto,28px 28px}.nj-kicker{margin:0 0 10px;color:var(--purple);font:900 12px ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase}.nj-hero h1,.nj-page-head h1{margin:0;font-size:clamp(40px,7vw,82px);line-height:1.05;letter-spacing:0;overflow-wrap:anywhere}.nj-hero h1{font-size:clamp(40px,5.6vw,70px)}.nj-hero h1 span{display:block}.nj-lead,.nj-page-head p{font-size:18px;line-height:1.85;color:var(--muted)}.nj-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.nj-actions a:first-child{background:var(--deep);color:#fff;border-color:var(--deep)}.nj-hero-visual{margin:0;position:relative;background:#fff;border:1px solid var(--line);padding:10px;box-shadow:14px 14px 0 #e8e0f4}.nj-hero-visual img{display:block;width:100%;height:auto;aspect-ratio:1672/941;object-fit:cover}.nj-hero-visual figcaption{font:13px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);padding:10px 4px 2px}.nj-coordinate-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.nj-coordinate-strip a{display:grid;gap:6px;min-height:168px;padding:22px;text-decoration:none;background:#fff}.nj-coordinate-strip code{font:900 13px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--purple)}.nj-coordinate-strip b{font-size:20px}.nj-coordinate-strip span{color:var(--rust);font-weight:850}.nj-coordinate-strip small{color:var(--muted);line-height:1.65}.nj-atlas-band,.nj-device-grid,.nj-scenario-river,.nj-articles,.nj-faq,.nj-page{margin:28px clamp(18px,4vw,58px);padding:clamp(24px,4vw,42px);background:#fff;border:1px solid var(--line)}.nj-atlas-band{background:linear-gradient(180deg,#fff,#fbf7ff)}.nj-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.nj-section-head h2{margin:0;font-size:clamp(30px,4.4vw,56px);line-height:1.08}.nj-atlas-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}.nj-map-board{position:relative;min-height:430px;border:1px solid var(--line-strong);background:linear-gradient(#fff,#fff),linear-gradient(90deg,rgba(115,87,190,.10) 1px,transparent 1px),linear-gradient(rgba(115,87,190,.10) 1px,transparent 1px);background-size:auto,36px 36px,36px 36px;overflow:hidden}.nj-map-board p{position:absolute;left:20px;bottom:18px;margin:0;font:900 13px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}.pin{position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--purple);box-shadow:0 0 0 7px rgba(115,87,190,.12)}.pin-a{left:14%;top:24%}.pin-b{left:42%;top:52%}.pin-c{left:70%;top:28%}.pin-d{left:82%;top:72%}.route{position:absolute;height:2px;background:linear-gradient(90deg,transparent,var(--purple),transparent);transform-origin:left center}.route-a{left:16%;top:29%;width:52%;transform:rotate(18deg)}.route-b{left:43%;top:55%;width:42%;transform:rotate(-34deg)}.route-c{left:70%;top:33%;width:22%;transform:rotate(68deg);background:linear-gradient(90deg,transparent,var(--rust),transparent)}.nj-atlas-copy{display:flex;flex-direction:column;justify-content:center}.nj-atlas-copy h3,.nj-copy-grid h2{font-size:28px;margin:0 0 10px}.nj-atlas-copy p,.nj-atlas-copy li,.nj-copy-grid p,.nj-device-card p,.nj-scenario-river p,.nj-article-card p,.nj-faq p,.nj-article p,.nj-copy-stack p{line-height:1.82;color:var(--muted)}.nj-atlas-copy li{margin:8px 0}.nj-device-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.nj-device-grid .nj-section-head{grid-column:1/-1}.nj-device-card,.nj-copy-grid article,.nj-scenario-river article,.nj-article-card,.nj-flow article,.nj-network-notes article,.nj-copy-stack article{border:1px solid var(--line);background:#fff;padding:20px;min-width:0}.nj-device-card:nth-child(odd),.nj-copy-grid article:nth-child(even),.nj-scenario-river article:nth-child(odd){background:#fcf9ff}.nj-device-card code,.nj-flow code{display:inline-block;margin-bottom:12px;padding:4px 8px;border:1px solid var(--line-strong);color:var(--purple);background:#fff;font:900 12px ui-monospace,SFMono-Regular,Menlo,monospace}.nj-device-card h3,.nj-scenario-river h3,.nj-article-card h3{font-size:22px;margin:0 0 8px}.nj-device-card ul{padding-left:18px;margin-bottom:0;color:var(--deep);line-height:1.8}.nj-scenario-river{display:grid;grid-template-columns:1fr repeat(4,1fr);gap:14px;align-items:stretch}.nj-scenario-river>div{display:flex;flex-direction:column;justify-content:center}.nj-scenario-river h2{margin:0;font-size:clamp(28px,4vw,48px);line-height:1.1}.nj-scenario-river time{font:900 28px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--purple)}.nj-scenario-river a{display:inline-flex;width:max-content;margin-top:auto}.nj-articles{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.nj-articles .nj-section-head{grid-column:1/-1}.nj-article-card time{font:900 13px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--purple)}.nj-article-card span{display:inline-block;margin-left:8px;color:var(--rust);font-weight:850}.nj-article-card a{text-decoration:none}.nj-article-card a:hover{color:var(--purple)}.nj-faq details{border-top:1px solid var(--line);padding:16px 0}.nj-faq summary{cursor:pointer;font-weight:900}.nj-page{max-width:1180px;margin-top:34px;margin-bottom:58px}.nj-page-head{max-width:930px;margin-bottom:26px}.nj-copy-grid,.nj-article-list,.nj-page-grid,.nj-network-notes,.nj-copy-stack{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.nj-page-grid{margin-top:20px}.nj-table-section{margin-top:20px;overflow-x:auto}.nj-table-section table{width:100%;border-collapse:collapse;min-width:720px}.nj-table-section th,.nj-table-section td{border:1px solid var(--line);padding:14px;text-align:left;vertical-align:top}.nj-table-section th{background:var(--deep);color:#fff}.nj-table-section small{color:var(--muted)}.nj-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:24px}.nj-flow h2{grid-column:1/-1;margin:0}.nj-flow p{margin:0;font-weight:850}.nj-network-notes{margin-top:24px}.nj-network-notes span{font:900 30px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--purple)}.nj-related{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.nj-article article{max-width:880px}.nj-article header{border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:18px}.nj-article header time{display:inline-block;margin:12px 0;color:var(--purple);font:900 13px ui-monospace,SFMono-Regular,Menlo,monospace}.nj-article section{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}.nj-article h2{font-size:26px}.nj-article-figure{margin:26px 0;border:1px solid var(--line);background:#fff;padding:10px;box-shadow:8px 8px 0 #eee6f8}.nj-article-figure img{display:block;width:100%;height:auto}.nj-article-figure figcaption{font:13px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);margin-top:8px}.nj-foot{display:grid;grid-template-columns:minmax(260px,.9fr) 1.1fr;gap:24px;padding:30px clamp(18px,4vw,58px);background:#1f1830;color:#fff}.nj-foot p{color:#d5cbe9;line-height:1.65}.nj-foot nav{display:flex;justify-content:flex-end;gap:9px;flex-wrap:wrap}.nj-foot a{color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.25);padding:8px 10px;font-weight:850}@media(max-width:1080px){.nj-articles{grid-template-columns:repeat(2,1fr)}.nj-device-grid,.nj-scenario-river{grid-template-columns:repeat(2,1fr)}.nj-scenario-river>div{grid-column:1/-1}.nj-flow{grid-template-columns:repeat(2,1fr)}}@media(max-width:860px){.nj-menu{display:block}.nj-top{align-items:flex-start;flex-wrap:wrap}.nj-brand{min-width:0;max-width:none;flex:1}.nj-top nav{display:none;flex-basis:100%;width:100%;margin:8px 0 0}.nj-top.is-open nav{display:flex}.nj-hero,.nj-atlas-layout,.nj-foot{grid-template-columns:1fr}.nj-hero{min-height:auto;padding-top:28px}.nj-hero h1,.nj-page-head h1{font-size:clamp(34px,12vw,56px)}.nj-coordinate-strip,.nj-device-grid,.nj-scenario-river,.nj-articles,.nj-copy-grid,.nj-article-list,.nj-page-grid,.nj-network-notes,.nj-copy-stack{grid-template-columns:1fr}.nj-coordinate-strip a{min-height:auto}.nj-section-head{display:block}.nj-hero-visual{box-shadow:7px 7px 0 #e8e0f4}.nj-map-board{min-height:320px}.nj-foot nav{justify-content:flex-start}.nj-table-section{margin-left:-8px;margin-right:-8px}}