:root {
  --paper: #f8f9f6;
  --white: #fff;
  --stone: #edf0eb;
  --ink: #333d42;
  --navy: #172e3b;
  --muted: #647175;
  --blue: #2659c3;
  --teal: #557f78;
  --line: #d4dcd7;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif; font-size: 15px; line-height: 1.85; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; height: auto; object-fit: cover; }
figure { margin: 0; min-width: 0; }
figcaption { color: var(--muted); font-size: 12px; line-height: 1.7; padding-top: 12px; }
h1,h2,h3 { color: var(--navy); line-height: 1.35; margin: 0; font-weight: 650; letter-spacing: -.035em; }
h1 { font-size: 48px; }
h2 { font-size: 34px; }
h3 { font-size: 20px; }
p { margin: 0 0 18px; }
ul { margin: 0; padding: 0; }
::selection { background: #d5e2ef; color: var(--navy); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 6px; border-radius: var(--radius-xs); }
a:hover { color: var(--blue); }
.skip-link { position: fixed; top: 8px; left: 12px; z-index: 100; padding: 8px 16px; background: var(--navy); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.site-header { height: 72px; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { max-width: 1440px; width: calc(100% - 80px); height: 100%; margin: auto; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--navy); flex-shrink: 0; font-weight: 700; font-size: 18px; line-height: 1.2; letter-spacing: .01em; }
.brand img { width: 35px; height: 35px; }
.site-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; font-size: 13px; white-space: nowrap; }
.site-nav a { position: relative; padding: 22px 0; }
.site-nav a[aria-current="page"] { color: var(--blue); }
.site-nav a[aria-current="page"]::after { content: ""; width: 14px; height: 2px; background: var(--blue); position: absolute; bottom: 14px; left: 0; }
.site-nav .utility-nav { color: var(--muted); }
.download-btn { display: inline-flex; align-items: center; justify-content: center; gap: 30px; min-height: 46px; padding: 10px 20px; color: white; background: var(--blue); border-radius: var(--radius-xs); font-weight: 600; font-size: 14px; line-height: 1.7; white-space: nowrap; transition: background .2s; }
.download-btn:hover { color: white; background: #1e479c; }
.download-btn span { font-size: 18px; }
.header-download { padding: 0; gap: 10px; background: none; color: var(--blue); min-height: 0; font-size: 13px; }
.header-download:hover { background: none; color: var(--navy); }
.menu-toggle { display: none; }
.eyebrow { color: var(--teal); font-family: ui-monospace, Consolas, monospace; font-size: 11px; line-height: 1.5; letter-spacing: .15em; font-weight: 500; margin-bottom: 22px; }
.eyebrow span { color: var(--blue); font-weight: 700; margin-right: 12px; }
.text-link { display: inline-flex; align-items: center; gap: 17px; color: var(--blue); font-size: 14px; line-height: 1.65; padding: 3px 0; }
.text-link span { font-size: 19px; transition: transform .2s; }
.text-link:hover span { transform: translate(2px,-2px); }
.hero { max-width: 1340px; width: calc(100% - 80px); margin: auto; min-height: 590px; display: flex; align-items: center; padding: 56px 0 64px; }
.hero-layout { display: grid; grid-template-columns: 40% 56%; column-gap: 4%; align-items: center; width: 1240px; max-width: 100%; margin: auto; }
.hero h1 { font-size: 50px; line-height: 1.28; letter-spacing: -.045em; margin: 0 0 24px; }
.hero .eyebrow { margin-bottom: 18px; }
.hero-intro { max-width: 465px; margin-bottom: 25px; color: #566469; font-size: 15px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.hero-actions .text-link { font-size: 13px; gap: 10px; }
.hero-figure { transform: translateY(-5px); }
.hero-figure img { width: 100%; height: 375px; border-radius: var(--radius-xs); }
.hero-figure figcaption { display: flex; justify-content: space-between; gap: 20px; }
.hero-figure figcaption span:last-child { font-family: Consolas, monospace; font-size: 10px; letter-spacing: .1em; }
.section-space { margin: 0 auto; padding-top: 95px; padding-bottom: 95px; width: calc(100% - 80px); }
.section-heading { margin-bottom: 38px; }
.section-heading .eyebrow { margin-bottom: 15px; }
.section-heading h2 { margin-bottom: 17px; }
.section-heading > p:last-child { max-width: 650px; color: var(--muted); }
.state-index { max-width: 1130px; padding-top: 44px; padding-bottom: 72px; }
.state-index h2 { font-size: 30px; }
.state-index .section-heading { display: grid; grid-template-columns: 62% 38%; align-items: end; margin-bottom: 32px; }
.state-index .eyebrow { grid-column: 1 / -1; }
.state-index .section-heading p:last-child { font-size: 13px; margin-bottom: 20px; padding-left: 20px; }
.state-record { display: grid; grid-template-columns: 58% 42%; gap: 0; padding: 22px 0 12px; border-top: 1px solid var(--line); }
.state-record:nth-of-type(3) { grid-template-columns: 64% 36%; }
.state-record:nth-of-type(4) { grid-template-columns: 55% 45%; }
.state-record > div:last-child { padding-left: 24px; }
.state-record .text-link { color: var(--navy); font-size: 18px; font-weight: 600; gap: 24px; }
.state-record .text-link span { color: var(--blue); }
.state-record p { font-size: 13px; color: var(--muted); margin: 6px 0 12px; }
.pc-feature { max-width: 1300px; border-top: 1px solid var(--line); padding-top: 76px; }
.pc-feature .section-heading { padding-left: 34px; }
.pc-feature-layout { display: grid; grid-template-columns: 59% 33%; gap: 8%; }
.pc-feature-layout > figure img { width: 100%; height: 410px; }
.pc-feature-layout > figure figcaption { display: flex; align-items: center; gap: 10px; padding-left: 34px; padding-top: 18px; }
.caption-rule { width: 22px; height: 1px; background: var(--teal); flex-shrink: 0; }
.pc-notes { padding-top: 12px; }
.pc-notes section { padding: 0 0 28px; }
.pc-notes section + section { padding-top: 26px; border-top: 1px solid var(--line); }
.small-label { display: block; color: var(--teal); font-size: 12px; letter-spacing: .08em; margin-bottom: 15px; }
.pc-notes h3 { font-size: 22px; margin-bottom: 16px; }
.pc-notes p { color: var(--muted); font-size: 14px; }
.download-band { background: var(--stone); }
.download-feature { max-width: 1190px; display: grid; grid-template-columns: 52% 41%; column-gap: 7%; align-items: center; padding-top: 80px; padding-bottom: 80px; }
.download-copy h2 { font-size: 37px; margin-bottom: 24px; }
.download-copy > p:not(.eyebrow) { max-width: 540px; }
.plain-notes { list-style: none; margin: 25px 0; font-size: 14px; }
.plain-notes li { padding: 9px 0 9px 18px; position: relative; border-top: 1px solid #d1d9d0; }
.plain-notes li::before { content: ""; width: 4px; height: 4px; background: var(--teal); position: absolute; top: 21px; left: 0; }
.download-context { color: var(--muted); font-size: 12px; }
.inline-actions { display: flex; align-items: center; gap: 25px; }
.download-feature figure img { width: 100%; height: 335px; }
.connection-compare { max-width: 1080px; padding-top: 100px; }
.connection-compare .section-heading { margin-bottom: 48px; }
.compare-layout { display: grid; grid-template-columns: 37% 18% 37%; gap: 4%; align-items: center; }
.compare-layout h3 { font-size: 26px; margin-bottom: 20px; }
.compare-layout p { color: var(--muted); font-size: 14px; }
.compare-layout figure img { width: 100%; aspect-ratio: 1 / 1.12; object-fit: cover; }
.compare-layout figcaption { text-align: center; font-family: Consolas, monospace; font-size: 10px; letter-spacing: .08em; }
.device-feature { max-width: 1250px; border-top: 1px solid var(--line); padding-top: 85px; }
.device-layout { display: grid; grid-template-columns: 31% 63%; column-gap: 6%; align-items: start; }
.device-copy { padding-top: 14px; }
.device-copy h2 { margin-bottom: 32px; }
.device-copy h3 { font-size: 16px; margin-bottom: 10px; }
.device-copy p:not(.eyebrow) { color: var(--muted); font-size: 14px; margin-bottom: 23px; }
.device-layout figure img { width: 100%; height: 445px; }
.device-layout figcaption { max-width: 680px; padding-top: 20px; }
.away-section { max-width: 1210px; padding-top: 50px; }
.away-heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 40px; }
.away-heading > p { max-width: 370px; color: var(--muted); font-size: 14px; }
.away-layout { display: grid; grid-template-columns: 64% 28%; gap: 8%; }
.away-layout > figure img { width: 100%; height: 355px; }
.public-note h3 { margin: 8px 0 17px; }
.public-note p { font-size: 14px; color: var(--muted); }
.public-image { display: block; margin-top: 25px; }
.public-image img { width: 100%; height: 145px; }
.route-feature { max-width: 1140px; display: grid; grid-template-columns: 34% 59%; gap: 7%; align-items: center; padding-top: 70px; border-top: 1px solid var(--line); }
.route-feature > figure img { width: 100%; height: 390px; }
.route-copy h2 { margin-bottom: 22px; }
.route-copy > p:not(.eyebrow) { color: var(--muted); }
.judgement-list { list-style: none; font-size: 13px; margin: 25px 0 20px; }
.judgement-list li { display: grid; grid-template-columns: 165px 1fr; padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); }
.judgement-list span { color: var(--navy); font-weight: 600; }
.journal-preview { max-width: 1200px; padding-top: 56px; }
.journal-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 38px; }
.journal-heading h2 { font-size: 30px; }
.journal-list { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 55px; }
.story-link { display: block; border-top: 1px solid var(--line); padding: 22px 35px 24px 0; position: relative; }
.story-category { display: block; color: var(--teal); font-size: 11px; letter-spacing: .1em; margin-bottom: 13px; }
.story-link h3 { font-size: 20px; line-height: 1.6; margin-bottom: 17px; }
.story-link p { color: var(--muted); font-size: 13px; margin: 0; }
.story-link .story-arrow { position: absolute; right: 0; top: 54px; color: var(--blue); font-size: 22px; }
.story-link:hover h3 { color: var(--blue); }
.faq-section { max-width: 1000px; padding-top: 65px; padding-bottom: 100px; }
.faq-records { display: grid; grid-template-columns: repeat(12,1fr); gap: 24px 40px; }
.faq-entry { border-top: 1px solid var(--line); padding: 22px 0 12px; }
.faq-entry h3 { font-size: 17px; letter-spacing: -.02em; margin-bottom: 15px; }
.faq-entry p { color: var(--muted); font-size: 13px; margin: 0; }
.faq-wide { grid-column: 1 / 11; }
.faq-wide:nth-child(2) { grid-column: 3 / -1; }
.faq-narrow { grid-column: 1 / 6; }
.faq-offset { grid-column: 7 / -1; margin-top: 30px; }
.faq-lower { grid-column: 2 / 7; margin-top: 18px; }
.faq-last { grid-column: 8 / -1; margin-top: 52px; }
.faq-more { text-align: right; margin-top: 30px; }
.site-footer { background: #e9ede8; border-top: 1px solid #d4ddd4; padding: 55px 0 22px; }
.footer-inner { max-width: 1240px; width: calc(100% - 80px); margin: auto; display: grid; grid-template-columns: 31% 63%; gap: 6%; padding-bottom: 45px; }
.footer-brand .brand { font-size: 17px; }
.footer-brand p { margin: 20px 0 13px; color: var(--muted); font-size: 13px; }
.footer-status { font-family: Consolas, monospace; font-size: 9px; letter-spacing: .1em; color: var(--teal); display: inline-flex; align-items: center; gap: 9px; }
.footer-status i { width: 5px; height: 5px; display: inline-block; border-radius: 50%; background: var(--teal); }
.footer-navigation { padding-top: 12px; }
.footer-navigation > div { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 40px; font-size: 13px; margin-bottom: 22px; }
.footer-navigation > div:first-child { gap: 23px 62px; font-size: 15px; }
.footer-navigation .friend-links { font-size: 12px; gap: 24px; margin-top: 30px; }
.friend-links > span { color: var(--muted); }
.footer-legal { max-width: 1240px; width: calc(100% - 80px); margin: auto; border-top: 1px solid #d0d8d0; padding-top: 20px; text-align: center; color: #64706c; font-size: 11px; line-height: 1.7; }
.footer-legal p { margin-bottom: 9px; }
.footer-legal > div { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 25px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px 12px; color: var(--muted); font-size: 12px; padding: 28px 0; }
.breadcrumbs a:hover { color: var(--blue); }
.page-top { max-width: 1240px; width: calc(100% - 80px); margin: auto; }
.page-intro { padding: 42px 0 66px; border-bottom: 1px solid var(--line); }
.page-intro.with-image { display: grid; grid-template-columns: 49% 44%; gap: 7%; align-items: center; }
.page-intro h1 { font-size: 42px; margin-bottom: 25px; }
.page-intro .eyebrow { margin-bottom: 20px; }
.page-lead { color: var(--muted); max-width: 630px; font-size: 16px; margin-bottom: 0; }
.page-intro figure img { width: 100%; height: 310px; }
.reading-layout { max-width: 1100px; width: calc(100% - 80px); margin: 75px auto; display: grid; grid-template-columns: 190px 1fr; column-gap: 80px; align-items: start; }
.contents-nav { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 40px; font-size: 13px; border-top: 1px solid var(--line); padding-top: 20px; }
.contents-nav > span { color: var(--teal); font-size: 11px; margin-bottom: 12px; letter-spacing: .12em; }
.reading-content,.narrow-reading,.article-body { min-width: 0; }
.content-entry { padding: 0 0 38px; margin-bottom: 35px; border-bottom: 1px solid var(--line); scroll-margin-top: 35px; }
.content-entry:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.content-entry h2 { font-size: 27px; margin-bottom: 23px; }
.content-entry p { line-height: 2; }
.content-entry .text-link { margin-right: 20px; }
.content-entry .download-btn { margin: 6px 0 22px; }
.inline-download { margin-left: 0; }
.editorial-list { list-style: none; margin: 20px 0 26px; }
.editorial-list li { padding: 11px 0 11px 22px; border-bottom: 1px solid var(--line); position: relative; line-height: 1.9; }
.editorial-list li::before { content: ""; width: 5px; height: 5px; background: var(--teal); position: absolute; top: 23px; left: 0; }
.narrow-reading { max-width: 820px; width: calc(100% - 80px); margin: 70px auto; }
.related-reading { max-width: 1100px; width: calc(100% - 80px); margin: 70px auto 90px; }
.related-reading > h2 { font-size: 25px; margin-bottom: 25px; }
.related-links { display: flex; gap: 45px; }
.related-links > a { flex: 1; min-width: 0; }
.related-links h3 { font-size: 17px; }
.environment-reading { max-width: 1060px; width: calc(100% - 80px); margin: 75px auto; }
.environment-reading > .content-entry { max-width: 820px; margin-left: auto; margin-right: auto; }
.environment-split { display: grid; grid-template-columns: 55% 38%; gap: 7%; align-items: center; padding: 40px 0 70px; }
.environment-split h2 { font-size: 28px; margin-bottom: 20px; }
.environment-split p { font-size: 14px; color: var(--muted); }
.environment-split figure img { width: 100%; height: 340px; }
.environment-split.reverse { grid-template-columns: 38% 55%; padding-top: 15px; }
.environment-split.reverse figure { grid-column: 2; grid-row: 1; }
.environment-split.reverse > div { grid-column: 1; grid-row: 1; }
.remote-note { border-top: 1px solid var(--line); display: grid; grid-template-columns: 60% 33%; gap: 7%; padding-top: 50px; align-items: center; }
.remote-note h2 { font-size: 28px; margin-bottom: 20px; }
.remote-note img { width: 100%; height: 220px; }
.inner-faq { width: calc(100% - 80px); margin: auto; padding-bottom: 20px; }
.guide-desktop,.guide-interfaces,.guide-devices { width: calc(100% - 80px); margin: 65px auto 85px; }
.guide-desktop { max-width: 1200px; display: grid; grid-template-columns: 26% 41% 27%; gap: 3%; align-items: start; }
.guide-group-title { padding: 22px 20px 0 0; }
.guide-group-title h2 { margin-bottom: 22px; }
.guide-group-title p:last-child { color: var(--muted); font-size: 14px; }
.guide-desktop > figure img { width: 100%; height: 360px; }
.guide-pair .story-link { padding-top: 18px; padding-bottom: 21px; }
.guide-pair .story-link:first-child { border-top: 0; }
.guide-pair h3 { font-size: 18px; margin-bottom: 12px; }
.guide-interfaces { max-width: 1040px; display: grid; grid-template-columns: 33% 60%; gap: 7%; border-top: 1px solid var(--line); padding-top: 48px; }
.guide-interfaces h2 { margin-bottom: 17px; }
.guide-interfaces > div:first-child p:last-child { max-width: 260px; color: var(--muted); font-size: 14px; }
.interface-stories .story-link:first-child { border-top: none; padding-top: 0; }
.guide-devices { max-width: 1150px; display: grid; grid-template-columns: 57% 36%; gap: 7%; align-items: center; }
.guide-devices > figure img { width: 100%; height: 435px; }
.guide-devices h2 { margin-bottom: 28px; }
.guide-devices h3 { font-size: 18px; }
.guide-next { max-width: 1040px; width: calc(100% - 80px); margin: 0 auto 85px; display: flex; gap: 45px; }
.about-reading { max-width: 820px; width: calc(100% - 80px); margin: 65px auto; }
.article-top { max-width: 1100px; width: calc(100% - 80px); margin: auto; }
.article-header { max-width: 820px; margin: 30px auto 37px; }
.article-header h1 { font-size: 39px; line-height: 1.5; margin-bottom: 27px; }
.article-lead { color: var(--muted); font-size: 16px; line-height: 1.95; }
.article-figure { max-width: 820px; margin: auto; }
.article-figure img { width: 100%; height: 405px; }
.article-body { max-width: 820px; width: calc(100% - 80px); margin: 55px auto 70px; }
.article-body > section { margin-bottom: 40px; }
.article-body h2 { font-size: 27px; margin-bottom: 21px; }
.article-body p { font-size: 16px; line-height: 2.1; margin-bottom: 19px; }
.article-context { border-top: 1px solid var(--line); padding-top: 28px; display: flex; flex-wrap: wrap; gap: 25px; }
@media (min-width: 1600px) { .header-inner { gap: 48px; } .site-nav { gap: 29px; } }
@media (max-width: 1250px) {
  .header-inner { width: calc(100% - 48px); gap: 24px; }
  .site-nav { gap: 19px; font-size: 12px; }
  .site-nav .utility-nav { display: none; }
  .hero { width: calc(100% - 64px); min-height: 560px; }
  .hero h1 { font-size: 45px; }
  .hero-figure img { height: 335px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .08em; }
  .hero-actions { gap: 18px; }
  .hero-intro { font-size: 14px; }
  .pc-feature-layout { grid-template-columns: 58% 36%; gap: 6%; }
  .pc-feature-layout > figure img { height: 380px; }
  .pc-feature .section-heading { padding-left: 0; }
  .pc-feature-layout > figure figcaption { padding-left: 0; }
  .device-copy h2 { font-size: 29px; }
  .device-layout figure img { height: 425px; }
  .journal-list { gap: 30px; }
}
@media (max-width: 1050px) {
  .header-download { display: none; }
  .hero h1 { font-size: 40px; }
  .hero-actions { gap: 16px; }
  .hero-actions .download-btn { padding: 10px 15px; gap: 20px; }
  .hero-actions .text-link { font-size: 12px; }
  .hero-figure img { height: 320px; }
  .hero-figure figcaption span:last-child { display: none; }
  .section-space { width: calc(100% - 64px); padding-top: 65px; padding-bottom: 65px; }
  .state-index { padding-top: 30px; }
  h2 { font-size: 30px; }
  .download-copy h2 { font-size: 31px; }
  .pc-notes h3 { font-size: 20px; }
  .pc-notes section { padding-bottom: 20px; }
  .pc-notes section + section { padding-top: 19px; }
  .device-layout { grid-template-columns: 34% 60%; }
  .away-layout { grid-template-columns: 61% 33%; gap: 6%; }
  .away-layout > figure img { height: 350px; }
  .route-feature { grid-template-columns: 33% 61%; gap: 6%; }
  .judgement-list li { grid-template-columns: 155px 1fr; }
  .faq-records { gap: 24px 28px; }
  .footer-inner { grid-template-columns: 32% 62%; }
  .footer-navigation > div { gap: 18px 27px; }
  .footer-navigation > div:first-child { gap: 20px 40px; }
  .reading-layout { column-gap: 45px; grid-template-columns: 150px 1fr; }
  .guide-desktop { grid-template-columns: 23% 40% 31%; }
  .guide-desktop > figure img { height: 390px; }
}
@media (max-width: 900px) {
  .site-header { height: 70px; }
  .header-inner { width: calc(100% - 48px); position: relative; }
  .menu-toggle { display: flex; align-items: center; gap: 9px; margin-left: auto; border: 0; background: none; color: var(--navy); padding: 8px 0 8px 8px; font-size: 12px; cursor: pointer; }
  .menu-lines { display: block; width: 17px; height: 11px; border-top: 1px solid currentColor; border-bottom: 1px solid currentColor; }
  .site-nav { display: none; position: absolute; left: -24px; right: -24px; top: 70px; margin: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 8px 16px #172e3b0c; padding: 18px 24px; grid-template-columns: repeat(3,1fr); gap: 0 20px; font-size: 14px; white-space: normal; }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 12px 0; }
  .site-nav .utility-nav { display: block; }
  .site-nav a[aria-current="page"]::after { bottom: 7px; }
  .hero { min-height: auto; padding-top: 58px; padding-bottom: 56px; }
  .hero-layout { grid-template-columns: 1fr; gap: 38px; max-width: 730px; }
  .hero-copy { max-width: 590px; }
  .hero h1 { font-size: 48px; }
  .hero-intro { max-width: 560px; font-size: 15px; }
  .hero .eyebrow { font-size: 10px; letter-spacing: .1em; }
  .hero-actions .text-link { font-size: 13px; }
  .hero-figure { transform: none; }
  .hero-figure img { width: 100%; height: auto; aspect-ratio: 1.9 / 1; }
  .hero-figure figcaption span:last-child { display: block; }
  .state-index .section-heading { display: block; }
  .state-index .section-heading p:last-child { padding-left: 0; }
  .state-record .text-link { font-size: 16px; }
  .pc-feature-layout { grid-template-columns: 57% 37%; gap: 6%; }
  .pc-feature-layout > figure img { height: 360px; }
  .pc-notes { padding-top: 0; }
  .pc-notes h3 { font-size: 18px; }
  .pc-notes p { font-size: 13px; }
  .pc-notes .small-label { margin-bottom: 9px; }
  .download-feature { grid-template-columns: 54% 40%; gap: 6%; }
  .download-feature figure img { height: 290px; }
  .compare-layout { grid-template-columns: 40% 17% 35%; gap: 4%; }
  .compare-layout h3 { font-size: 22px; }
  .device-layout { grid-template-columns: 1fr; gap: 30px; }
  .device-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 0 35px; padding: 0; }
  .device-copy .eyebrow,.device-copy h2,.device-copy > .text-link { grid-column: 1 / -1; }
  .device-copy > h3:nth-of-type(1) { grid-column: 1; grid-row: 3; }
  .device-copy > p:nth-of-type(2) { grid-column: 1; grid-row: 4; }
  .device-copy > h3:nth-of-type(2) { grid-column: 2; grid-row: 3; }
  .device-copy > p:nth-of-type(3) { grid-column: 2; grid-row: 4; }
  .device-layout figure img { height: auto; aspect-ratio: 1.8 / 1; }
  .away-heading { gap: 30px; }
  .away-heading > p { max-width: 290px; }
  .away-layout > figure img { height: 335px; }
  .public-note h3 { font-size: 18px; }
  .public-image img { height: 120px; }
  .route-feature > figure img { height: 400px; }
  .route-copy h2 { font-size: 28px; }
  .judgement-list li { display: block; }
  .judgement-list span { display: block; margin-bottom: 4px; }
  .journal-heading { align-items: start; flex-direction: column; gap: 18px; }
  .journal-list { grid-template-columns: 1fr; gap: 0; }
  .journal-list .story-link { display: grid; grid-template-columns: 45% 48%; gap: 0 7%; padding-right: 30px; }
  .journal-list .story-category { grid-column: 1 / -1; margin-bottom: 10px; }
  .journal-list h3 { margin-bottom: 0; }
  .journal-list .story-arrow { top: 48px; }
  .footer-inner { grid-template-columns: 1fr; gap: 30px; }
  .footer-brand p { margin: 14px 0 8px; }
  .footer-navigation { padding: 0; }
  .footer-navigation > div:first-child { gap: 25px 50px; }
  .page-intro h1 { font-size: 34px; }
  .page-intro.with-image { grid-template-columns: 52% 43%; gap: 5%; }
  .page-intro figure img { height: 290px; }
  .page-lead { font-size: 14px; }
  .reading-layout { display: block; }
  .contents-nav { position: static; flex-direction: row; flex-wrap: wrap; gap: 12px 25px; padding-bottom: 25px; margin-bottom: 25px; }
  .contents-nav > span { flex-basis: 100%; margin-bottom: 0; }
  .related-links { gap: 25px; }
  .guide-desktop { grid-template-columns: 50% 43%; gap: 7%; }
  .guide-group-title { grid-column: 1 / -1; padding-top: 0; }
  .guide-desktop > figure img { height: 350px; }
  .guide-interfaces { grid-template-columns: 30% 63%; }
  .guide-devices { grid-template-columns: 48% 45%; }
  .guide-devices > figure img { height: 460px; }
  .article-header h1 { font-size: 34px; }
  .environment-split figure img { height: 370px; }
  .environment-split h2,.remote-note h2 { font-size: 25px; }
}
@media (max-width: 600px) {
  body { font-size: 14px; }
  html { scroll-padding-top: 30px; }
  .header-inner { width: calc(100% - 40px); }
  .brand { font-size: 17px; gap: 10px; }
  .brand img { width: 32px; height: 32px; }
  .site-nav { left: -20px; right: -20px; padding-left: 20px; padding-right: 20px; }
  .hero { width: calc(100% - 40px); padding-top: 42px; padding-bottom: 38px; }
  .hero-layout { gap: 30px; }
  .hero h1 { font-size: 37px; line-height: 1.28; margin-bottom: 21px; }
  .hero .eyebrow { font-size: 8px; letter-spacing: .11em; margin-bottom: 19px; }
  .hero .eyebrow span { font-size: 10px; margin-right: 9px; }
  .hero-intro { font-size: 14px; line-height: 1.95; margin-bottom: 22px; }
  .hero-actions { gap: 23px; }
  .hero-actions .download-btn { padding: 11px 17px; gap: 20px; }
  .hero-actions .text-link { font-size: 12px; }
  .hero-figure img { aspect-ratio: 1.65 / 1; }
  .hero-figure figcaption { font-size: 10px; gap: 10px; }
  .hero-figure figcaption span:last-child { font-size: 8px; letter-spacing: .035em; }
  .home-page .download-btn:not(.hero .download-btn) { display: none; }
  .section-space { width: calc(100% - 40px); padding-top: 47px; padding-bottom: 48px; }
  .section-heading { margin-bottom: 26px; }
  .section-heading h2,h2 { font-size: 27px; }
  .section-heading > p:last-child { font-size: 13px; }
  .eyebrow { font-size: 9px; letter-spacing: .13em; margin-bottom: 16px; }
  .state-index { padding-top: 30px; }
  .state-index h2 { font-size: 24px; }
  .state-record,.state-record:nth-of-type(3),.state-record:nth-of-type(4) { grid-template-columns: 1fr; padding: 20px 0 5px; }
  .state-record > div:last-child { padding-left: 0; margin-top: 12px; }
  .state-record .text-link { font-size: 17px; }
  .state-record p { font-size: 12px; }
  .pc-feature .section-heading { padding: 0; }
  .pc-feature-layout { grid-template-columns: 1fr; gap: 30px; }
  .pc-feature-layout > figure img { height: auto; aspect-ratio: 1.45 / 1; }
  .pc-feature-layout > figure figcaption { font-size: 11px; }
  .pc-notes { display: grid; grid-template-columns: 1fr; gap: 0; }
  .pc-notes h3 { font-size: 22px; }
  .pc-notes p { font-size: 14px; }
  .pc-notes section:last-child { padding-bottom: 0; }
  .download-feature { grid-template-columns: 1fr; gap: 30px; }
  .download-copy h2 { font-size: 29px; }
  .plain-notes { font-size: 13px; margin: 20px 0; }
  .download-context { font-size: 11px; }
  .download-feature figure img { height: auto; aspect-ratio: 1.6 / 1; }
  .inline-actions { gap: 15px; }
  .compare-layout { grid-template-columns: 1fr; gap: 28px; }
  .compare-layout > figure { width: 130px; justify-self: end; margin: -10px 0 -7px; }
  .compare-layout figure img { aspect-ratio: 1.1 / 1; }
  .compare-layout h3 { font-size: 23px; }
  .compare-layout .small-label { margin-bottom: 10px; }
  .connection-compare .section-heading { margin-bottom: 32px; }
  .device-layout { gap: 28px; }
  .device-copy { display: block; }
  .device-copy h2 { font-size: 29px; margin-bottom: 26px; }
  .device-copy h3 { font-size: 17px; }
  .device-layout figure img { aspect-ratio: 1.4 / 1; }
  .device-layout figcaption { font-size: 11px; padding-top: 13px; }
  .away-heading { display: block; margin-bottom: 27px; }
  .away-heading h2 { margin-bottom: 20px; }
  .away-heading > p { max-width: 100%; font-size: 14px; }
  .away-layout { grid-template-columns: 1fr; gap: 30px; }
  .away-layout > figure img { height: auto; aspect-ratio: 1.4 / 1; }
  .public-note { display: grid; grid-template-columns: 1fr 115px; gap: 0 20px; align-items: start; }
  .public-note h3 { grid-column: 1 / -1; margin-bottom: 14px; }
  .public-note p { grid-column: 1; font-size: 13px; margin-bottom: 10px; }
  .public-note > .text-link { grid-column: 1; font-size: 12px; gap: 10px; }
  .public-image { grid-column: 2; grid-row: 2 / 4; margin: 0; }
  .public-image img { height: 136px; }
  .route-feature { grid-template-columns: 1fr; gap: 28px; }
  .route-feature > figure { width: 75%; }
  .route-feature > figure img { height: auto; aspect-ratio: 1.3 / 1; }
  .route-copy h2 { font-size: 28px; }
  .route-copy > p:not(.eyebrow) { font-size: 14px; }
  .judgement-list li { font-size: 13px; }
  .judgement-list span { margin-bottom: 4px; }
  .journal-heading h2 { font-size: 27px; }
  .journal-heading { margin-bottom: 23px; }
  .journal-list .story-link { display: block; padding-top: 20px; padding-bottom: 22px; }
  .journal-list h3 { font-size: 20px; margin-bottom: 12px; }
  .journal-list .story-arrow { top: 48px; }
  .journal-list .story-category { margin-bottom: 9px; }
  .faq-records { display: block; }
  .faq-entry { margin: 0 0 12px; padding: 21px 0 12px; }
  .faq-entry h3 { font-size: 17px; }
  .faq-entry p { font-size: 13px; line-height: 1.95; }
  .faq-more { text-align: left; margin-top: 18px; }
  .site-footer { padding-top: 39px; }
  .footer-inner { width: calc(100% - 40px); gap: 25px; padding-bottom: 21px; }
  .footer-navigation > div,.footer-navigation > div:first-child { gap: 14px 26px; font-size: 13px; margin-bottom: 18px; }
  .footer-navigation > div:first-child { font-size: 14px; }
  .footer-navigation .friend-links { gap: 18px; margin-top: 20px; font-size: 11px; }
  .footer-legal { width: calc(100% - 40px); font-size: 10px; }
  .footer-legal > div { flex-direction: column; gap: 7px; }
  .page-top,.reading-layout,.narrow-reading,.related-reading,.environment-reading,.inner-faq,.guide-desktop,.guide-interfaces,.guide-devices,.guide-next,.about-reading,.article-top,.article-body { width: calc(100% - 40px); }
  .breadcrumbs { font-size: 10px; padding: 22px 0; gap: 7px 10px; }
  .page-intro { padding: 26px 0 37px; }
  .page-intro.with-image { grid-template-columns: 1fr; gap: 28px; }
  .page-intro h1 { font-size: 31px; line-height: 1.4; margin-bottom: 22px; }
  .page-intro .eyebrow { font-size: 9px; }
  .page-lead { font-size: 14px; line-height: 1.95; }
  .page-intro figure img { height: auto; aspect-ratio: 1.5 / 1; }
  .reading-layout,.narrow-reading,.about-reading,.environment-reading { margin: 40px auto; }
  .content-entry { margin-bottom: 28px; padding-bottom: 28px; }
  .content-entry h2 { font-size: 23px; margin-bottom: 19px; }
  .content-entry p { font-size: 14px; }
  .content-entry .text-link { margin-bottom: 8px; }
  .editorial-list { font-size: 13px; }
  .related-reading { margin: 46px auto 50px; }
  .related-reading > h2 { font-size: 23px; margin-bottom: 18px; }
  .related-links { display: block; }
  .related-links .story-link { padding: 18px 30px 16px 0; }
  .related-links .story-category { margin-bottom: 8px; }
  .related-links h3 { font-size: 17px; margin-bottom: 0; }
  .related-links .story-arrow { top: 44px; }
  .environment-split,.environment-split.reverse,.remote-note { grid-template-columns: 1fr; gap: 25px; padding: 20px 0 38px; }
  .environment-split.reverse > div,.environment-split.reverse figure { grid-column: auto; grid-row: auto; }
  .environment-split h2,.remote-note h2 { font-size: 24px; }
  .environment-split figure img { height: auto; aspect-ratio: 1.5 / 1; }
  .remote-note { padding-top: 32px; }
  .remote-note img { height: auto; aspect-ratio: 1.5 / 1; }
  .inner-faq { padding-top: 5px; }
  .guide-desktop,.guide-interfaces,.guide-devices { margin: 40px auto 48px; display: block; }
  .guide-group-title { padding: 0; margin-bottom: 25px; }
  .guide-group-title h2 { margin-bottom: 15px; }
  .guide-desktop > figure img,.guide-devices > figure img { height: auto; aspect-ratio: 1.45 / 1; }
  .guide-pair { margin-top: 20px; }
  .guide-pair .story-link:first-child { border-top: 1px solid var(--line); }
  .guide-interfaces { padding-top: 33px; }
  .guide-interfaces > div:first-child p:last-child { max-width: 100%; }
  .interface-stories { margin-top: 28px; }
  .interface-stories .story-link:first-child { border-top: 1px solid var(--line); padding-top: 22px; }
  .guide-devices > div { margin-top: 28px; }
  .guide-devices h2 { margin-bottom: 23px; }
  .guide-next { margin-bottom: 48px; display: block; }
  .guide-next .text-link { display: flex; margin-bottom: 14px; }
  .article-header { margin: 20px auto 28px; }
  .article-header h1 { font-size: 28px; line-height: 1.5; margin-bottom: 22px; }
  .article-lead { font-size: 14px; line-height: 2; }
  .article-figure img { height: auto; aspect-ratio: 1.5 / 1; }
  .article-figure figcaption { font-size: 10px; }
  .article-body { margin: 38px auto 45px; }
  .article-body h2 { font-size: 23px; margin-bottom: 18px; }
  .article-body p { font-size: 14px; line-height: 2.05; }
  .article-body > section { margin-bottom: 30px; }
  .article-context { display: block; }
  .article-context .text-link { display: flex; margin-bottom: 13px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }