:root {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1d1d1f;
  background: #fff;
  font-synthesis: none;
  --ink: #1d1d1f;
  --secondary: #6e6e73;
  --blue: #0066cc;
  --gray: #f5f5f7;
  --line: #d2d2d7;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 160px; }
body { margin: 0; line-height: 1.65; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { letter-spacing: -.025em; line-height: 1.22; font-weight: 600; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
button { border: 0; background: none; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #0071e3; outline-offset: 5px; }
::selection { background: #cfe6ff; }
.guide-shell, .shell { width: calc(100% - 96px); max-width: 1120px; margin-inline: auto; }
.icon { width: 24px; height: 24px; flex: 0 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; top: -70px; left: 16px; z-index: 100; background: white; padding: 10px 18px; border-radius: 8px; }
.skip:focus { top: 8px; }
.global-header { height: 48px; background: #fafafc; position: relative; z-index: 50; }
.global-nav { height: 100%; display: flex; align-items: center; gap: 42px; }
.brand { display: inline-flex; align-items: center; gap: 7px; font-size: 16px; font-weight: 600; white-space: nowrap; }
.brand img { object-fit: contain; }
.nav-links { display: flex; align-items: center; justify-content: center; gap: 48px; margin-inline: auto; font-size: 12px; }
.nav-links a { padding-block: 13px; color: #454547; }
.nav-links a:hover, .nav-links [aria-current] { color: #000; }
.global-open { font-size: 12px; white-space: nowrap; }
.global-open span { margin-left: 4px; }
.menu-toggle { display: none; }
.local-header { position: sticky; top: 0; z-index: 40; background: #ffffffeb; backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid #00000016; }
.local-nav { min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.local-title { font-size: 21px; font-weight: 600; letter-spacing: -.03em; }
.local-links { display: flex; align-items: center; gap: 28px; font-size: 12px; }
.local-links > a:not(.pill-button):hover { color: var(--blue); }
.search-trigger { display: grid; place-items: center; width: 32px; height: 40px; padding: 0; }
.search-trigger .icon { width: 20px; height: 20px; }
.pill-button { background: #0071e3; color: white; border-radius: 30px; padding: 5px 15px; white-space: nowrap; }
.pill-button:hover { background: #0077ed; }
.guide-hero { padding-top: 72px; text-align: center; }
.hero-kicker { font-size: 20px; font-weight: 600; margin-bottom: 21px; }
.guide-hero h1 { font-size: clamp(44px, 5.2vw, 68px); line-height: 1.15; letter-spacing: -.04em; font-weight: 650; }
.hero-description { margin-top: 24px; color: var(--secondary); font-size: 21px; }
.guide-search { max-width: 600px; display: flex; align-items: center; gap: 13px; margin: 34px auto 0; border: 1px solid #a9a9b0; border-radius: 12px; min-height: 58px; padding: 0 18px; background: white; transition: box-shadow .15s, border-color .15s; scroll-margin-top: 90px; }
.guide-search:focus-within { border-color: #0071e3; box-shadow: 0 0 0 3px #0071e32b; }
.guide-search > .icon { color: #86868b; width: 25px; height: 25px; }
.guide-search input { min-width: 0; width: 100%; border: 0; padding: 16px 0; outline: 0; background: transparent; font-size: 17px; line-height: 24px; -webkit-appearance: none; appearance: none; }
.guide-search input::placeholder { color: #86868b; }
.guide-search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.guide-search kbd { font-family: inherit; border: 1px solid #e5e5e8; padding: 0 7px; border-radius: 4px; color: #86868b; line-height: 24px; font-size: 13px; }
.guide-search:has(input:not(:placeholder-shown)) kbd { display: none; }
#clear-search { display: grid; place-items: center; width: 30px; height: 36px; color: var(--secondary); padding: 0; }
#clear-search .icon { width: 22px; height: 22px; border-radius: 100%; background: #ededf0; }
.popular-searches { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 18px; font-size: 12px; margin-top: 14px; }
.popular-searches > span { color: var(--secondary); }
.popular-searches a { color: var(--blue); }
.popular-searches a:hover { text-decoration: underline; }
.topic-shortcuts { display: grid; grid-template-columns: repeat(6, 1fr); gap: 28px; padding: 58px 30px 65px; max-width: 1030px; }
.topic-shortcuts a { display: flex; flex-direction: column; gap: 17px; align-items: center; font-size: 14px; text-align: center; }
.shortcut-icon { display: grid; place-items: center; width: 70px; height: 70px; border-radius: 20px; background: linear-gradient(150deg, #fafafc, #ededf1); color: #4a4a50; box-shadow: 0 2px 2px #00000003, inset 0 0 0 1px #00000003; transition: transform .2s; }
.shortcut-icon .icon { width: 38px; height: 38px; stroke-width: 1.65; }
.topic-shortcuts a:hover { color: var(--blue); }
.topic-shortcuts a:hover .shortcut-icon { transform: translateY(-4px); color: var(--blue); }
.learning-section { background: var(--gray); padding: 76px 0 84px; }
.section-title { margin-bottom: 34px; }
.section-kicker { font-size: 16px; font-weight: 600; color: var(--secondary); margin-bottom: 12px; }
.section-title h2 { font-size: clamp(30px, 3.5vw, 44px); }
.section-title > p:last-child:not(.section-kicker) { font-size: 17px; color: var(--secondary); margin-top: 16px; }
.start-feature { display: grid; grid-template-columns: 38% 62%; align-items: center; min-height: 435px; background: #fff; border-radius: 24px; overflow: hidden; }
.start-feature-copy { padding: 45px 0 45px 48px; position: relative; z-index: 1; }
.feature-label { display: block; font-size: 14px; color: var(--secondary); font-weight: 600; margin-bottom: 18px; }
.start-feature h3 { font-size: 40px; line-height: 1.26; }
.start-feature-copy > p { font-size: 15px; color: var(--secondary); margin: 20px 0 24px; line-height: 1.8; }
.blue-link { display: inline-flex; align-items: center; gap: 2px; color: var(--blue); padding: 0; font-size: 16px; }
.blue-link .icon { width: 18px; height: 18px; stroke-width: 2.2; }
.blue-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.feature-preview-link { display: flex; width: fit-content; align-items: center; gap: 5px; color: var(--blue); margin-top: 14px; font-size: 14px; }
.feature-preview-link .icon { width: 19px; height: 19px; }
.feature-preview-link:hover { text-decoration: underline; }
.start-feature-visual { padding: 30px 24px 20px 22px; position: relative; }
.desktop-frame { background: #171719; border-radius: 15px 15px 5px 5px; padding: 8px; border: 1px solid #77777e; box-shadow: 0 16px 40px #0000001c; margin-inline: 15px; }
.desktop-frame .product-shot { border: 0; border-radius: 7px; overflow: hidden; }
.desktop-frame .product-shot img { width: 100%; }
.device-foot { height: 12px; border-radius: 2px 2px 70% 70%; background: linear-gradient(#e4e4e9 5%, #acadb2 80%, #77777f); box-shadow: 0 14px 15px -6px #00000020; position: relative; }
.device-foot::after { content: ''; position: absolute; width: 14%; height: 4px; left: 43%; top: 0; background: #a7a7af; border-radius: 0 0 8px 8px; }
.visual-caption { display: block; text-align: center; color: #86868b; font-size: 10px; margin-top: 20px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 24px; }
.feature-card { display: flex; flex-direction: column; min-width: 0; background: #fff; border-radius: 24px; overflow: hidden; transition: transform .25s, box-shadow .25s; }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 10px 35px #00000008; }
.feature-card-copy { padding: 31px 30px 24px; }
.feature-card h3 { font-size: 25px; line-height: 1.4; }
.feature-card p { font-size: 14px; color: var(--secondary); margin: 13px 0 17px; }
.feature-card .feature-label { font-size: 12px; margin-bottom: 13px; }
.feature-card .blue-link { font-size: 14px; }
.feature-image { margin: auto 0 0 30px; height: 160px; border-radius: 12px 0 0 0; border: 5px solid #252528; border-right: 0; border-bottom: 0; overflow: hidden; box-shadow: 0 3px 18px #00000018; }
.feature-image img { width: 112%; max-width: none; height: 100%; object-fit: cover; object-position: left top; }
.catalog-section { padding-block: 96px; }
.catalog-section .section-title { text-align: center; margin-bottom: 56px; }
.catalog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.catalog-number { display: block; color: #86868b; font-size: 12px; margin-bottom: 12px; }
.catalog-group h3 { font-size: 21px; margin-bottom: 22px; }
.catalog-group ul { list-style: none; padding: 0; margin: 0; }
.catalog-group li { border-top: 1px solid #e5e5e8; }
.catalog-group a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 13px 0; font-size: 14px; color: var(--blue); }
.catalog-group a:hover { text-decoration: underline; }
.catalog-group .icon { width: 15px; height: 15px; color: #86868b; }
.faq-section { padding: 76px 24px 88px; background: var(--gray); }
.faq-inner { max-width: 800px; margin: auto; }
.faq-section .section-title { text-align: center; margin-bottom: 42px; }
.faq-section h2 { line-height: 1.32; }
.faq-section details { border-bottom: 1px solid var(--line); }
.faq-section summary { display: flex; gap: 24px; align-items: center; justify-content: space-between; list-style: none; font-size: 19px; font-weight: 550; padding: 24px 0; cursor: pointer; }
.faq-section summary::-webkit-details-marker { display: none; }
.faq-plus { position: relative; flex-shrink: 0; width: 24px; height: 24px; }
.faq-plus::before, .faq-plus::after { content: ''; position: absolute; width: 14px; height: 1.5px; background: #6e6e73; left: 5px; top: 11px; }
.faq-plus::after { transform: rotate(90deg); transition: transform .2s; }
details[open] .faq-plus::after { transform: rotate(0); }
.faq-answer { padding: 0 40px 26px 0; font-size: 16px; }
.faq-answer p { color: #515155; line-height: 1.85; margin-bottom: 13px; }
.faq-answer .blue-link { font-size: 14px; }
.support-section { padding-block: 78px 70px; text-align: center; }
.support-symbol .icon { width: 52px; height: 52px; color: var(--blue); stroke-width: 1.5; margin-bottom: 18px; }
.support-section h2 { font-size: 36px; }
.support-section p { font-size: 17px; color: var(--secondary); margin: 16px 0 20px; }
.version-note { display: block; margin-top: 56px; font-size: 11px; color: #86868b; }
.search-results { max-width: 780px; padding: 38px 0 90px; min-height: 450px; }
#search-status { color: var(--secondary); font-size: 13px; margin-bottom: 14px; }
.search-result { display: flex; gap: 20px; align-items: center; padding: 23px 8px; border-bottom: 1px solid #e5e5e8; }
.search-result > .icon { width: 20px; height: 20px; color: #86868b; margin-left: auto; }
.search-result h2 { font-size: 21px; margin-bottom: 8px; color: var(--blue); }
.search-result p { font-size: 14px; color: var(--secondary); line-height: 1.75; }
.search-result small { display: block; font-size: 11px; color: #86868b; margin-bottom: 7px; }
.search-result:hover h2 { text-decoration: underline; }
.search-result mark { color: inherit; background: #e7f1fd; border-radius: 2px; }
.search-empty { padding: 40px 10px 60px; text-align: center; }
.search-empty > .icon { width: 44px; height: 44px; color: #86868b; margin-bottom: 20px; }
.search-empty h2 { font-size: 28px; }
.search-empty p { color: var(--secondary); margin: 15px 0 22px; }
.reader { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 76px; padding-block: 46px 90px; }
.reader-sidebar { position: sticky; top: 162px; max-height: calc(100vh - 182px); overflow-y: auto; scrollbar-width: thin; padding: 0 6px 20px 0; }
.back-link { display: flex; gap: 2px; align-items: center; color: var(--blue); font-size: 14px; margin-bottom: 27px; }
.back-link .icon { transform: rotate(180deg); width: 17px; height: 17px; }
.reader-toc-group { margin-bottom: 22px; }
.reader-toc-group > span { display: block; color: #86868b; font-size: 11px; padding-inline: 12px; margin-bottom: 7px; }
.reader-toc-group > a { display: block; padding: 8px 12px; margin-block: 2px; border-radius: 8px; font-size: 13px; }
.reader-toc-group > a:hover { color: var(--blue); background: #f5f5f7; }
.reader-toc-group > a[aria-current] { color: var(--blue); background: #eaf3fc; font-weight: 600; }
.reader-toc-toggle { display: none; }
.reader-content { min-width: 0; }
.guide-article { padding-bottom: 30px; }
.guide-article + .guide-article { margin-top: 50px; }
.js .guide-article { margin-top: 0; }
.article-meta { font-size: 13px; color: var(--secondary); margin-bottom: 20px; }
.article-meta span::before { content: '·'; margin: 0 10px; }
.article-header h1 { font-size: clamp(32px, 3.5vw, 46px); letter-spacing: -.04em; line-height: 1.3; outline: none; }
.article-lede { font-size: 21px; color: var(--secondary); margin-top: 19px; line-height: 1.6; }
.article-jumps { display: flex; gap: 25px; margin-top: 26px; padding-bottom: 28px; border-bottom: 1px solid #e5e5e8; color: var(--blue); font-size: 13px; }
.article-jumps a:hover { text-decoration: underline; }
.article-steps ol { list-style: none; counter-reset: guide-step; padding: 34px 0 0; margin: 0; }
.article-steps li { counter-increment: guide-step; display: flex; align-items: flex-start; gap: 19px; padding-bottom: 29px; }
.article-steps li::before { content: counter(guide-step); display: grid; place-items: center; flex: 0 0 32px; height: 32px; border-radius: 100%; background: #f0f0f3; color: #515155; font-size: 14px; font-weight: 600; margin-top: 1px; }
.article-steps h2 { font-size: 21px; line-height: 1.5; margin-bottom: 8px; }
.article-steps p { color: #515155; font-size: 16px; line-height: 1.9; }
.article-flow { margin-top: 14px; border-top: 1px solid #e5e5e8; padding-top: 32px; }
.flow-heading { margin-bottom: 18px; }
.flow-heading .section-kicker { margin-bottom: 8px; }
.flow-heading h2 { font-size: 24px; margin-bottom: 7px; }
.flow-heading > p:last-child { color: #6e6e73; font-size: 13px; line-height: 1.7; }
.article-flow ol { list-style: none; counter-reset: flow-step; padding: 0; margin: 0; }
.article-flow li { counter-increment: flow-step; display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 45%); gap: 26px; align-items: start; padding: 24px 0; border-top: 1px solid #f0f0f2; }
.flow-copy { min-width: 0; }
.flow-step { display: inline-flex; color: var(--blue); font-size: 12px; font-weight: 600; letter-spacing: .02em; margin-bottom: 9px; }
.flow-copy h2 { font-size: 20px; line-height: 1.5; margin-bottom: 8px; }
.flow-copy p { color: #515155; font-size: 15px; line-height: 1.85; }
.flow-shot { margin: 0; min-width: 0; }
.flow-shot .zoom-image { display: block; border: 1px solid #d2d2d7; border-radius: 10px; overflow: hidden; background: #f7f7f8; }
.flow-shot img { display: block; width: 100%; height: auto; }
.flow-shot .product-zoom { width: 26px; height: 26px; right: 9px; bottom: 9px; font-size: 14px; }
.flow-shot figcaption { color: #86868b; font-size: 11px; line-height: 1.5; text-align: center; margin-top: 9px; }
.flow-missing { grid-column: 2; color: #86868b; font-size: 12px; line-height: 1.7; padding: 17px; background: var(--gray); border-radius: 10px; }
.article-note { display: flex; align-items: baseline; gap: 16px; background: var(--gray); padding: 20px 24px; border-radius: 12px; margin-top: 4px; }
.article-note > span { white-space: nowrap; font-size: 13px; font-weight: 600; }
.article-note p { color: #6e6e73; font-size: 13px; line-height: 1.8; }
.article-missing { display: flex; align-items: flex-start; gap: 16px; border: 1px solid #f0d6c4; background: #fff9f5; padding: 18px 20px; border-radius: 12px; margin-top: 14px; }
.article-missing > span { white-space: nowrap; color: #a04e21; font-size: 13px; font-weight: 600; }
.article-missing p, .article-missing li { color: #7a5947; font-size: 13px; line-height: 1.75; }
.article-missing ul { margin-top: 5px; padding-left: 18px; }
.prompt-example { padding: 22px 26px; border: 1px solid #dce5ef; border-radius: 14px; background: #f8fbfe; margin: 0 0 22px; }
.prompt-top { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 14px; }
.prompt-top > span { font-size: 12px; color: #6e6e73; }
.copy-prompt { color: var(--blue); font-size: 12px; padding: 4px 0; }
.copy-prompt:hover { text-decoration: underline; }
.prompt-example > p { font-size: 15px; line-height: 1.9; }
.copy-status { display: block; font-size: 12px; color: var(--blue); }
.copy-status:not(:empty) { margin-top: 12px; }
.article-screen { margin-top: 36px; }
.product-shot { margin: 0; border: 1px solid #d2d2d7; border-radius: 13px; overflow: hidden; }
.product-shot img { width: 100%; }
.zoom-image { position: relative; display: block; cursor: zoom-in; }
.product-zoom { position: absolute; right: 12px; bottom: 12px; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; color: #173459; background: #ffffffe8; border: 1px solid #17345920; font-size: 17px; }
.article-screen > p { font-size: 11px; color: #86868b; text-align: center; margin-top: 13px; }
.article-version { font-size: 11px; color: #86868b; margin-top: 32px; }
.related-guides { border-top: 1px solid #e5e5e8; padding-top: 32px; margin-top: 42px; }
.related-guides h2 { font-size: 24px; margin-bottom: 22px; }
.related-guides > div { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.related-guides a { display: flex; gap: 12px; align-items: center; background: var(--gray); padding: 23px 19px; border-radius: 12px; font-size: 14px; }
.related-guides a > .icon:first-child { color: var(--secondary); width: 25px; height: 25px; }
.related-guides a > .icon:last-child { margin-left: auto; color: #86868b; width: 17px; height: 17px; }
.related-guides a:hover { color: var(--blue); }
.account-actions { display: flex; flex-wrap: wrap; gap: 20px; }
.noscript-note { text-align: center; padding: 20px; font-size: 13px; color: var(--secondary); }
.site-footer { background: var(--gray); padding: 30px 0 25px; font-size: 12px; color: var(--secondary); }
.footer-top { display: flex; gap: 20px; align-items: center; border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 20px; }
.footer-top .brand { color: #515155; font-size: 14px; }
.footer-top img { width: 26px; }
.footer-top > a:last-child { margin-left: auto; }
.legal-links { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 11px; margin-bottom: 16px; }
.copyright { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; font-size: 10px; color: #86868b; }
.copyright a { display: flex; align-items: center; gap: 5px; }
.site-footer a:hover { text-decoration: underline; }
dialog { width: min(96vw, 1800px); max-width: none; max-height: 94vh; padding: 52px 12px 12px; border: 0; border-radius: 18px; background: #1d1d1f; color: white; }
dialog::backdrop { background: #000b; backdrop-filter: blur(7px); }
.close-viewer { position: absolute; right: 15px; top: 10px; padding: 7px 12px; border-radius: 20px; background: #424245; color: white; font-size: 13px; }
dialog > img { width: 100%; max-height: 80vh; object-fit: contain; }

@media (max-width: 1050px) {
  .guide-shell, .shell { width: calc(100% - 64px); }
  .global-nav { gap: 26px; }
  .nav-links { gap: 30px; }
  .start-feature-copy { padding-left: 32px; }
  .start-feature h3 { font-size: 32px; }
  .start-feature-copy > p { font-size: 13px; }
  .start-feature { min-height: 380px; }
  .start-feature-visual { padding-inline: 15px; }
  .feature-grid { gap: 18px; }
  .feature-card-copy { padding-inline: 24px; }
  .feature-card h3 { font-size: 22px; }
  .feature-card p { min-height: 44px; }
  .feature-image { margin-left: 24px; height: 132px; }
  .catalog-grid { gap: 24px; }
  .catalog-group h3 { font-size: 19px; }
  .catalog-group a { font-size: 13px; }
  .reader { grid-template-columns: 172px minmax(0, 1fr); gap: 36px; }
  .related-guides > div { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 142px; }
  .guide-shell, .shell { width: calc(100% - 40px); }
  .global-header { height: 48px; }
  .global-nav { gap: 20px; }
  .brand { font-size: 16px; }
  .global-open { margin-left: auto; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 28px; height: 44px; padding: 4px; }
  .menu-toggle span { width: 18px; height: 1.5px; background: #1d1d1f; transition: transform .2s; }
  .menu-toggle[aria-expanded=true] span:first-child { transform: translateY(3.25px) rotate(45deg); }
  .menu-toggle[aria-expanded=true] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
  .nav-links { display: none; position: absolute; top: 48px; left: 0; right: 0; padding: 15px 32px 25px; background: #fafafc; box-shadow: 0 16px 20px #0000000b; }
  .nav-links.open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a { font-size: 21px; padding-block: 10px; font-weight: 550; }
  .local-nav { min-height: 56px; gap: 12px; }
  .local-title { font-size: 19px; }
  .local-links { gap: 15px; }
  .local-links > a:not(.pill-button) { display: none; }
  .pill-button { font-size: 11px; padding: 5px 13px; }
  .guide-hero { padding-top: 48px; }
  .hero-kicker { font-size: 15px; margin-bottom: 18px; }
  .guide-hero h1 { font-size: 44px; line-height: 1.22; }
  .hero-description { font-size: 17px; margin-top: 19px; }
  .guide-search { margin-top: 28px; padding-inline: 13px; min-height: 54px; gap: 10px; }
  .guide-search input { font-size: 15px; padding-block: 13px; }
  .guide-search > .icon { width: 22px; height: 22px; }
  .guide-search kbd { display: none; }
  .popular-searches { font-size: 11px; gap: 14px; margin-top: 13px; }
  .topic-shortcuts { grid-template-columns: repeat(3, 1fr); gap: 26px 12px; padding: 39px 2px 44px; }
  .shortcut-icon { width: 60px; height: 60px; border-radius: 17px; }
  .shortcut-icon .icon { width: 33px; height: 33px; }
  .topic-shortcuts a { font-size: 12px; gap: 11px; }
  .learning-section { padding-block: 47px; }
  .section-title { margin-bottom: 25px; }
  .section-kicker { font-size: 13px; margin-bottom: 11px; }
  .section-title h2 { font-size: 29px; letter-spacing: -.035em; }
  .start-feature { grid-template-columns: 1fr; border-radius: 20px; }
  .start-feature-copy { padding: 30px 28px 0; }
  .feature-label { font-size: 12px; margin-bottom: 12px; }
  .start-feature h3 { font-size: 33px; }
  .start-feature-copy > p { font-size: 14px; margin: 16px 0 20px; }
  .start-feature .blue-link { font-size: 14px; }
  .feature-preview-link { font-size: 13px; margin-top: 13px; }
  .start-feature-visual { padding: 26px 16px 24px; }
  .desktop-frame { padding: 5px; border-radius: 10px 10px 3px 3px; margin-inline: 9px; }
  .desktop-frame .product-shot { border-radius: 4px; }
  .device-foot { height: 7px; }
  .device-foot::after { height: 3px; }
  .visual-caption { font-size: 9px; margin-top: 15px; }
  .feature-grid { grid-template-columns: 1fr; gap: 20px; margin-top: 20px; }
  .feature-card { border-radius: 20px; }
  .feature-card-copy { padding: 27px 28px 23px; }
  .feature-card h3 { font-size: 28px; line-height: 1.35; }
  .feature-card p { min-height: 0; font-size: 14px; }
  .feature-image { margin-left: 28px; height: 175px; }
  .feature-image img { width: 100%; object-fit: cover; }
  .catalog-section { padding-block: 56px; }
  .catalog-section .section-title { margin-bottom: 35px; }
  .section-title > p:last-child:not(.section-kicker) { font-size: 14px; margin-top: 14px; }
  .catalog-grid { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .catalog-number { font-size: 11px; margin-bottom: 8px; }
  .catalog-group h3 { font-size: 18px; margin-bottom: 17px; }
  .catalog-group a { font-size: 12px; padding-block: 13px; gap: 2px; }
  .catalog-group .icon { width: 13px; height: 13px; }
  .faq-section { padding: 50px 24px 56px; }
  .faq-section .section-title { margin-bottom: 26px; }
  .faq-section summary { font-size: 16px; padding: 20px 0; gap: 15px; line-height: 1.6; }
  .faq-answer { font-size: 14px; padding-right: 15px; }
  .faq-answer .blue-link { font-size: 13px; }
  .support-section { padding-block: 52px 42px; }
  .support-section h2 { font-size: 29px; }
  .support-section p { font-size: 14px; max-width: 270px; margin-inline: auto; }
  .support-section .blue-link { font-size: 15px; }
  .version-note { margin-top: 40px; font-size: 10px; }
  .search-results { padding: 28px 0 55px; }
  .search-result { padding: 20px 2px; }
  .search-result h2 { font-size: 19px; }
  .search-result p { font-size: 13px; }
  .search-empty h2 { font-size: 26px; }
  .search-empty p { font-size: 14px; }
  .reader { display: block; padding-block: 22px 45px; }
  .reader-sidebar { position: static; max-height: none; padding: 0; overflow: visible; margin-bottom: 30px; }
  .back-link { margin-bottom: 18px; font-size: 13px; width: fit-content; }
  .reader-toc-toggle { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 48px; border-radius: 10px; padding: 12px 16px; background: var(--gray); font-size: 14px; }
  .js #reader-toc { display: none; padding: 24px 8px 5px; border-bottom: 1px solid var(--line); }
  .js .reader-toc-toggle[aria-expanded=true] + #reader-toc { display: block; }
  .article-meta { font-size: 11px; margin-bottom: 14px; }
  .article-header h1 { font-size: 32px; line-height: 1.3; }
  .article-lede { font-size: 17px; margin-top: 16px; }
  .article-jumps { margin-top: 22px; padding-bottom: 24px; gap: 22px; font-size: 12px; }
  .article-steps ol { padding-top: 28px; }
  .article-steps li { gap: 14px; padding-bottom: 26px; }
  .article-steps li::before { flex-basis: 28px; height: 28px; font-size: 12px; }
  .article-steps h2 { font-size: 19px; line-height: 1.5; }
  .article-steps p { font-size: 15px; line-height: 1.85; }
  .article-flow { margin-top: 5px; padding-top: 27px; }
  .flow-heading h2 { font-size: 21px; }
  .flow-heading > p:last-child { font-size: 12px; }
  .article-flow li { display: block; padding: 21px 0 26px; }
  .flow-copy h2 { font-size: 18px; }
  .flow-copy p { font-size: 14px; }
  .flow-shot { margin-top: 17px; }
  .flow-shot figcaption { font-size: 10px; }
  .flow-missing { margin-top: 17px; }
  .article-note { display: block; padding: 18px 20px; }
  .article-note > span { display: block; margin-bottom: 7px; }
  .article-note p { font-size: 12px; }
  .article-missing { display: block; padding: 17px 20px; }
  .article-missing > span { display: block; margin-bottom: 7px; }
  .article-missing p, .article-missing li { font-size: 12px; }
  .prompt-example { padding: 18px 20px; }
  .prompt-example > p { font-size: 14px; }
  .article-screen { margin-top: 28px; }
  .article-screen .product-shot { border-radius: 8px; }
  .article-screen > p { font-size: 10px; margin-top: 10px; }
  .article-version { font-size: 10px; margin-top: 24px; }
  .related-guides { margin-top: 32px; padding-top: 27px; }
  .related-guides h2 { font-size: 23px; }
  .related-guides a { padding: 19px; }
  .footer-top { gap: 12px; flex-wrap: wrap; }
  .footer-top > p { font-size: 11px; }
  .footer-top > a:last-child { font-size: 11px; }
  .legal-links { gap: 10px 17px; font-size: 10px; }
  .copyright { font-size: 9px; }
  dialog { padding: 48px 6px 6px; border-radius: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media print {
  .global-header, .local-header, .reader-sidebar, .site-footer, .related-guides, .article-jumps, .copy-prompt, #image-viewer, .guide-search, .popular-searches { display: none !important; }
  .reader { display: block; padding: 0; }
  .guide-shell { width: 100%; }
  .guide-article, .article-steps li, .article-flow li { break-inside: avoid; }
  .article-header h1 { font-size: 28px; }
  .article-screen { max-width: 600px; }
  a { text-decoration: none; }
}