/* 本地字体、黑白排版与蓝色强调构成共用视觉系统，不依赖外部字体或图片。 */
:root {
  color-scheme: light;
  --paper: #fcfcfa;
  --white: #ffffff;
  --ink: #181b22;
  --blue: #2458e5;
  --blue-soft: #edf2ff;
  --muted: #68707d;
  --line: #e1e3e8;
  --lime: #e3f48b;
  --sans: "Avenir Next", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --serif: Georgia, "Times New Roman", serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 15px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible, pre:focus-visible, .article-table-wrap:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
::selection { color: var(--white); background: var(--blue); }
h1, h2, h3, p { margin: 0; }
.container { width: min(1184px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 10; padding: 10px 18px; color: white; background: var(--blue); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 96px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 23px; font-weight: 700; letter-spacing: -1px; line-height: 1.2; }
.brand-mark { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 12px; color: var(--white); background: var(--blue); font-family: var(--mono); font-size: 25px; letter-spacing: -3px; }
.brand-mark span { color: var(--lime); }
.brand-caption { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; font-weight: 400; letter-spacing: 1px; }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; }
.site-nav a { position: relative; padding-block: 13px; color: var(--muted); transition: color .2s; }
.site-nav a:hover, .site-nav a.is-current { color: var(--ink); }
.site-nav a.is-current::after { content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 2px; background: var(--blue); }
.header-note { color: #737b87; font-size: 11px; }
.eyebrow { color: var(--muted); font-family: var(--mono); font-size: 11px; letter-spacing: 1.4px; line-height: 1.6; }
.hero { display: grid; grid-template-columns: 1.25fr 1fr; align-items: center; gap: 72px; padding-block: 72px; }
.hero-copy > .eyebrow { display: flex; align-items: center; gap: 9px; font-family: var(--sans); font-size: 12px; letter-spacing: .8px; }
.status-dot { width: 6px; height: 6px; flex-shrink: 0; border-radius: 50%; background: var(--blue); }
.hero h1 { margin-top: 24px; font-size: clamp(44px, 5.8vw, 76px); font-weight: 750; line-height: 1.26; letter-spacing: -3.5px; }
.accent-word { color: var(--blue); white-space: nowrap; }
.hero-description { margin-top: 24px; color: var(--muted); font-size: 14px; line-height: 2; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; margin-top: 32px; }
.button-link { display: inline-flex; align-items: center; gap: 36px; padding: 14px 24px; border: 1px solid var(--ink); border-radius: 7px; color: var(--white); background: var(--ink); font-size: 13px; transition: background .2s, border-color .2s; }
.button-link:hover { border-color: var(--blue); background: var(--blue); }
.text-link, .read-link { display: inline-flex; align-items: center; gap: 15px; color: var(--blue); font-size: 13px; font-weight: 600; }
.hero-actions .text-link { color: var(--ink); }
.hero-footnote { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 42px; color: #6d7581; font-size: 10px; }
.hero-footnote span:first-child { font-family: var(--mono); letter-spacing: .5px; }

/* 箭头由边框绘制，避免 emoji 在不同系统中的外观和资源差异。 */
.arrow-icon { display: inline-block; position: relative; flex-shrink: 0; width: 11px; height: 11px; border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor; }
.arrow-icon::after { content: ""; position: absolute; top: -1px; right: -1px; width: 15px; height: 1.5px; background: currentColor; transform: rotate(-45deg); transform-origin: right center; }
.arrow-up { transform: rotate(-45deg); }

/* 技术主题轨道完全使用 CSS；无图片、无循环动画、无新增网络请求。 */
.hero-art { min-width: 0; padding: 24px 26px; overflow: hidden; border-radius: 20px; color: white; background: var(--blue); }
.art-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #d0dcff; font-family: var(--mono); font-size: 9px; letter-spacing: .6px; }
.connection-art { position: relative; height: 292px; margin-block: 10px 9px; background-image: linear-gradient(#ffffff08 1px, transparent 1px), linear-gradient(90deg, #ffffff08 1px, transparent 1px); background-size: 28px 28px; }
.orbit-ring, .orbit-circle, .hub-core { position: absolute; left: 50%; top: 50%; }
.orbit-ring { width: min(86%, 300px); height: 108px; border: 1px solid #a6bcff9c; border-radius: 50%; }
.ring-one { transform: translate(-50%, -50%) rotate(-30deg); }
.ring-two { transform: translate(-50%, -50%) rotate(30deg); }
.ring-three { transform: translate(-50%, -50%) rotate(90deg); }
.orbit-circle { width: min(70%, 230px); aspect-ratio: 1; border: 1px dashed #a6bcff55; border-radius: 50%; transform: translate(-50%, -50%); }
.hub-core { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 3px; width: 108px; height: 108px; border: 1px solid #a6bcff; border-radius: 50%; background: #1b43ae; box-shadow: inset 0 0 0 10px #2458e566; transform: translate(-50%, -50%); }
.hub-core > span { font-family: var(--mono); font-size: 34px; font-weight: 600; line-height: 1.3; }
.hub-core small { color: #d0dcff; font-family: var(--mono); font-size: 10px; }
.signal { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--white); }
.signal-one { left: 14%; top: 28%; width: 11px; height: 11px; background: var(--lime); }
.signal-two { right: 14%; bottom: 28%; width: 11px; height: 11px; background: var(--lime); }
.signal-three { right: 24%; top: 20%; width: 5px; height: 5px; }
.signal-four { left: 25%; bottom: 19%; width: 5px; height: 5px; }
.orbit-label { position: absolute; padding: 4px 13px; border-radius: 20px; font-family: var(--mono); font-size: 11px; line-height: 1.8; }
.label-publish { top: 41%; left: 3%; color: #273725; background: var(--lime); }
.label-subscribe { right: 1%; bottom: 15%; color: var(--blue); background: var(--white); }
.orbit-caption { position: absolute; color: #d0dcff; font-family: var(--mono); font-size: 8px; letter-spacing: 1px; }
.caption-message { top: 8%; right: 10%; }
.caption-listener { bottom: 4%; left: 8%; }
.art-bottomline { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding-top: 17px; border-top: 1px solid #ffffff3b; }
.art-bottomline div { display: flex; flex-direction: column; gap: 3px; }
.art-bottomline div > span { color: #d0dcff; font-size: 11px; }
.art-bottomline strong { font-size: 19px; font-weight: 500; letter-spacing: .4px; }
.art-bottomline > .arrow-icon { width: 17px; height: 17px; margin: 0 3px 5px 0; }
.art-bottomline > .arrow-icon::after { width: 24px; }

.topic-strip { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; min-height: 66px; padding-block: 17px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 500; }
.strip-label { margin-right: 10px; color: var(--muted); font-size: 11px; font-weight: 400; }
.strip-divider { width: 4px; height: 4px; border-radius: 50%; background: #b4bdcf; }
.strip-end { margin-left: auto; color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: .5px; }
.journal-section { padding-top: 68px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.section-heading h2, .lower-layout h2 { margin-top: 12px; font-size: 30px; font-weight: 650; letter-spacing: -1.2px; line-height: 1.4; }
.heading-dot { color: var(--blue); }
.section-count { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 11px; white-space: nowrap; }
.section-count > span { padding: 3px 9px; border: 1px solid var(--line); border-radius: 20px; color: var(--ink); font-family: var(--mono); font-size: 10px; }
.featured-post { display: grid; grid-template-columns: .9fr 1.5fr; min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: var(--white); }
.post-art { position: relative; display: flex; flex-direction: column; justify-content: space-between; min-height: 340px; overflow: hidden; padding: 26px 31px; color: var(--blue); background: #eaf0ff; }
.post-art::after { content: ""; position: absolute; top: 20%; left: 20%; width: 280px; height: 280px; border: 1px solid #c9d5f0; border-radius: 50%; }
.post-art-top, .post-art-bottom { display: flex; align-items: center; justify-content: space-between; gap: 14px; position: relative; z-index: 1; font-family: var(--mono); font-size: 9px; letter-spacing: .4px; }
.post-art-title { position: relative; z-index: 1; margin-block: 18px; }
.post-art-title > span { display: block; font-family: var(--serif); font-size: 51px; font-style: italic; line-height: 1; letter-spacing: -2px; }
.post-art-title > strong { display: flex; align-items: center; gap: 33px; font-size: 93px; line-height: 1.1; letter-spacing: -6px; }
.post-art-title .arrow-icon { width: 28px; height: 28px; border-width: 2px; }
.post-art-title .arrow-icon::after { width: 39px; height: 2px; top: -2px; right: -2px; }
.post-art-symbol { font-family: var(--mono); font-size: 23px; font-weight: 600; }
.post-card-copy { display: flex; flex-direction: column; padding: 35px 39px; min-width: 0; }
.post-card-meta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 15px; }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px; border-radius: 4px; color: var(--blue); background: var(--blue-soft); font-size: 11px; line-height: 1.5; }
.tag::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--blue); }
.post-card-meta time, .article-note-number { color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .4px; }
.featured-post h3 { margin-top: 21px; font-size: 28px; font-weight: 650; line-height: 1.5; letter-spacing: -.9px; }
.featured-post h3 a { display: block; transition: color .2s; }
.featured-post h3 a:hover { color: var(--blue); }
.post-excerpt { margin-top: 15px; color: var(--muted); font-size: 13px; line-height: 2; }
.post-card-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 15px; margin-top: auto; padding-top: 26px; }
.post-tags { display: flex; flex-wrap: wrap; gap: 13px; color: var(--muted); font-family: var(--mono); font-size: 10px; }
.post-tags > span::before { content: "#"; margin-right: 3px; color: #a0a9b8; }
.read-link { gap: 16px; font-size: 12px; }
.journal-entry { display: grid; grid-template-columns: 180px minmax(0, 1fr) 36px; align-items: center; gap: 24px; margin-top: 22px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.journal-entry-meta { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.journal-entry-meta time { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.journal-entry h3 { font-size: 18px; font-weight: 600; line-height: 1.6; }
.journal-entry h3 a:hover { color: var(--blue); }
.journal-entry-link { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; color: var(--blue); }
.journal-entry-link:hover { border-color: var(--blue); background: var(--blue-soft); }
.journal-afterword { display: flex; align-items: center; gap: 22px; padding-block: 29px 45px; }
.afterword-symbol { color: var(--blue); font-family: var(--mono); font-size: 31px; font-weight: 600; }
.journal-afterword p { color: #515a68; font-size: 12px; line-height: 1.9; }
.journal-afterword p > span { color: var(--muted); }
.afterword-label { margin-left: auto; color: #838b98; font-family: var(--mono); font-size: 9px; letter-spacing: .8px; }
.lower-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 76px; padding-block: 52px 74px; border-top: 1px solid var(--line); }
.lower-layout h2 { font-size: 25px; }
.archive-year { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 27px; color: var(--muted); font-family: var(--mono); font-size: 10px; }
.archive-year > span:first-child { color: var(--ink); font-family: var(--sans); font-size: 64px; font-weight: 600; letter-spacing: -3px; line-height: 1.3; }
.archive-year-earlier > span:first-child { font-size: 34px; letter-spacing: -1px; }
.year-dot { color: var(--blue); }
.archive-entry { display: grid; grid-template-columns: 60px minmax(0, 1fr) 13px; align-items: center; gap: 16px; margin-top: 16px; padding-block: 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 12px; }
.archive-entry time { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.archive-entry .arrow-icon { color: var(--blue); }
.archive-entry:hover { color: var(--blue); }
.about-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 40px; margin-top: -9px; }
.about-avatar { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid #dce4f6; border-radius: 50%; color: var(--blue); background: var(--blue-soft); font-family: var(--mono); font-size: 16px; font-weight: 600; }
.about-section h2 { margin-top: 0; }
.about-section > p { margin-top: 18px; color: var(--muted); font-size: 13px; line-height: 2; }
.about-section > p + p { margin-top: 12px; }
.about-signature { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 23px; }
.about-signature span:first-child { color: #737d8c; font-family: var(--serif); font-size: 14px; font-style: italic; }
.about-signature span:last-child { color: var(--blue); font-size: 17px; font-weight: 600; }

/* 页脚备案号独立居中，字号保持 24px，以高对比颜色保证醒目。 */
.site-footer { color: #f4f6fb; background: #181d29; }
.footer-inner { padding-block: 30px; }
.footer-top-link { display: inline-flex; align-items: center; gap: 11px; color: #cad3e3; font-size: 10px; }
.footer-top-link .arrow-icon { width: 10px; height: 10px; transform: rotate(-45deg); }
.footer-top-link .arrow-icon::after { width: 14px; }
.footer-top-link:hover { color: var(--lime); }
.footer-bottom { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; }
.footer-brand { font-size: 21px; font-weight: 650; letter-spacing: -.7px; }
.footer-brand span { color: var(--lime); }
.footer-bottom p { color: #aab3c4; font-size: 10px; }
.footer-bottom p:last-of-type { margin-left: auto; }
.footer-registration { margin-top: 23px; padding-top: 22px; border-top: 1px solid #ffffff24; text-align: center; }
.footer-beian { display: inline-block; color: #b9ccff; font-size: 24px; font-weight: 700; line-height: 1.6; }
.footer-beian:hover { color: var(--white); text-decoration: underline; text-underline-offset: 6px; }

/* 文章主体和目录分列，窄屏只保留阅读区，代码横向滚动限制在代码框内。 */
.article-page { padding-top: 32px; padding-bottom: 64px; }
.back-link { display: inline-flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
.back-link .arrow-icon { width: 9px; height: 9px; transform: rotate(225deg); }
.back-link .arrow-icon::after { width: 13px; }
.back-link:hover { color: var(--blue); }
.article-layout { display: grid; grid-template-columns: minmax(0, 800px) minmax(195px, 1fr); gap: 70px; margin-top: 43px; }
.article-content { min-width: 0; }
.article-header h1 { margin-top: 23px; font-size: clamp(34px, 4vw, 51px); font-weight: 650; line-height: 1.4; letter-spacing: -1.4px; }
.article-header h1 > span { color: var(--blue); font-family: var(--serif); font-style: italic; font-weight: 400; }
.article-byline { display: flex; align-items: center; flex-wrap: wrap; gap: 13px; margin-top: 26px; color: var(--muted); font-size: 11px; }
.author-dot { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 50%; color: var(--blue); background: var(--blue-soft); font-family: var(--mono); font-size: 14px; }
.meta-divider { color: #b5bfce; }
.article-lead { margin-top: 29px; padding-bottom: 30px; border-bottom: 1px solid var(--line); color: #657083; font-size: 16px; line-height: 2; }
.article-callout { margin-top: 30px; padding: 22px 25px; border-left: 3px solid var(--blue); border-radius: 0 8px 8px 0; background: var(--blue-soft); }
.callout-label { color: var(--blue); font-size: 12px; font-weight: 600; }
.article-callout p { margin-top: 8px; color: #52627c; font-size: 14px; line-height: 2; }
.article-section { margin-top: 44px; }
.article-section h2 { display: flex; align-items: baseline; gap: 17px; font-size: 25px; font-weight: 650; letter-spacing: -.5px; }
.article-section h2 > span { color: var(--blue); font-family: var(--mono); font-size: 12px; font-weight: 400; }
.article-section > p { margin-top: 16px; color: #5e6878; font-size: 15px; line-height: 2; }
.article-body p code, .article-list code, .article-table code { padding: 2px 5px; border-radius: 3px; color: var(--blue); background: #eaf0ff; font-family: var(--mono); font-size: .86em; overflow-wrap: anywhere; }
/* 宽表格只在自己的容器内滚动；目录使用原生 details，关闭脚本仍能操作。 */
.article-table-wrap { max-width: 100%; margin-top: 22px; overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.article-table { width: 100%; min-width: 500px; border-collapse: collapse; color: #5e6878; font-size: 13px; text-align: left; }
.article-table caption { padding: 14px 18px; border-bottom: 1px solid var(--line); color: var(--muted); background: #f5f6f9; font-size: 12px; text-align: left; }
.article-table th, .article-table td { padding: 13px 18px; border-bottom: 1px solid var(--line); vertical-align: top; line-height: 1.8; }
.article-table thead th { color: var(--ink); background: #fafbfe; font-weight: 600; }
.article-table tbody th { font-weight: 500; white-space: nowrap; }
.article-table tbody tr:last-child > * { border-bottom: 0; }
.article-list { margin: 16px 0 0; padding-left: 24px; color: #5e6878; font-size: 15px; line-height: 2; }
.article-list li + li { margin-top: 8px; }
.article-list li::marker { color: var(--blue); }
.article-mobile-toc { display: none; margin-top: 24px; padding: 15px 20px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.article-mobile-toc summary { color: var(--ink); font-size: 13px; font-weight: 600; cursor: pointer; }
.article-mobile-toc summary::marker { color: var(--blue); }
.article-mobile-toc a { display: flex; gap: 12px; margin-top: 16px; color: var(--muted); font-size: 12px; }
.article-mobile-toc a span { color: var(--blue); font-family: var(--mono); }
.article-mobile-toc a:hover { color: var(--blue); }
.code-block { min-width: 0; margin-top: 23px; overflow: hidden; border: 1px solid #303a4c; border-radius: 9px; background: #1b2332; }
.code-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 47px; padding: 9px 20px; border-bottom: 1px solid #303a4c; color: #b3c2de; background: #222d40; }
.code-toolbar > span { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10px; }
.code-toolbar i { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: #9bafff; }
.copy-button { padding: 3px 9px; border: 1px solid #576785; border-radius: 4px; color: #cad6ec; background: transparent; font-size: 11px; cursor: pointer; }
.copy-button:hover { color: var(--white); background: #36445e; }
.copy-button:disabled { opacity: .6; cursor: wait; }
pre { margin: 0; max-width: 100%; overflow-x: auto; padding: 23px 22px; color: #e1e8f6; font-family: var(--mono); font-size: 12px; line-height: 2; tab-size: 2; }
pre code { font: inherit; }
.syntax-keyword { color: #b0bfff; }
.syntax-string { color: #dceaa0; }
.syntax-comment { color: #9aaac5; }
.article-tip { margin-top: 24px; padding: 20px 23px; border: 1px solid var(--line); border-radius: 8px; background: #f5f6f9; }
.article-tip strong { font-size: 13px; font-weight: 600; }
.article-tip p { margin-top: 7px; color: var(--muted); font-size: 13px; line-height: 2; }
.article-source { margin-top: 44px; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.article-source h2 { margin-top: 9px; font-size: 22px; font-weight: 600; }
.article-source > p:not(.eyebrow) { margin-top: 13px; color: var(--muted); font-size: 13px; line-height: 2; }
.article-source .text-link { margin-top: 16px; font-size: 12px; }
.article-ending { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; margin-top: 28px; }
.article-ending .text-link { font-size: 12px; }
.toc-panel { position: sticky; top: 32px; padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.toc-panel > .eyebrow { font-size: 9px; }
.toc-panel h2 { margin-top: 9px; font-size: 18px; font-weight: 600; }
.toc-panel nav { display: flex; flex-direction: column; gap: 20px; margin-top: 26px; }
.toc-panel nav a { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
.toc-panel nav a span { color: var(--blue); font-family: var(--mono); font-size: 10px; }
.toc-panel nav a:hover { color: var(--blue); }
.toc-note { display: flex; align-items: center; gap: 13px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.note-symbol { color: var(--blue); font-family: var(--mono); font-size: 20px; font-weight: 600; }
.toc-note p { color: var(--muted); font-size: 11px; line-height: 1.8; }
.copy-status { position: fixed; left: 50%; bottom: 25px; z-index: 5; max-width: calc(100% - 40px); padding: 11px 22px; border-radius: 7px; color: white; background: var(--blue); transform: translateX(-50%); font-size: 12px; box-shadow: 0 5px 20px #181b221f; }
.copy-status:empty { display: none; }

/* 仅首屏有一次短入场；减少动态效果偏好下禁用。 */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: enter .55s ease-out both; }
  .hero-art { animation: enter .55s .08s ease-out both; }
  @keyframes enter { from { opacity: .5; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .header-note { display: none; }
  .hero { gap: 38px; grid-template-columns: 1.15fr 1fr; padding-block: 60px; }
  .hero h1 { font-size: 58px; letter-spacing: -2.5px; }
  .hero-art { padding-inline: 21px; }
  .connection-art { height: 272px; }
  .strip-end { display: none; }
  .post-art { padding-inline: 24px; }
  .post-card-copy { padding-inline: 30px; }
  .featured-post h3 { font-size: 25px; }
  .lower-layout { gap: 50px; }
  .article-layout { gap: 40px; grid-template-columns: minmax(0, 1fr) 210px; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-block: 50px; }
  .hero h1 { font-size: 66px; }
  .hero-art { width: min(100%, 520px); justify-self: center; }
  .connection-art { height: 285px; }
  .hero-footnote { margin-top: 32px; }
  .hero-description { font-size: 15px; }
  .featured-post { grid-template-columns: .85fr 1.3fr; }
  .post-card-copy { padding: 28px; }
  .post-art { min-height: 350px; }
  .post-art-title > span { font-size: 40px; }
  .post-art-title > strong { font-size: 77px; gap: 22px; }
  .featured-post h3 { font-size: 22px; }
  .post-card-bottom { align-items: flex-start; flex-direction: column; gap: 18px; }
  .lower-layout { gap: 36px; }
  .lower-layout h2 { font-size: 21px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
  .article-mobile-toc { display: block; }
  .article-header h1 { font-size: 45px; }
}
@media (max-width: 640px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 86px; gap: 20px; }
  .brand { gap: 9px; font-size: 21px; }
  .brand-mark { width: 36px; height: 36px; border-radius: 10px; font-size: 22px; }
  .brand-caption { font-size: 9px; }
  .site-nav { gap: 20px; font-size: 12px; }
  .hero h1 { font-size: 56px; }
  .topic-strip { gap: 17px; font-size: 12px; }
  .strip-label { width: 100%; margin: 0; }
  .journal-section { padding-top: 45px; }
  .section-heading h2 { font-size: 26px; }
  .section-count { gap: 7px; font-size: 10px; }
  .featured-post { grid-template-columns: 1fr; }
  .post-art { min-height: 190px; padding: 20px 25px; }
  .post-art::after { width: 230px; height: 230px; left: auto; right: 12%; top: -30px; }
  .post-art-title { display: flex; align-items: baseline; gap: 10px; margin-block: 6px; }
  .post-art-title > span { font-size: 40px; }
  .post-art-title > strong { font-size: 65px; letter-spacing: -3px; gap: 25px; }
  .post-art-title .arrow-icon { width: 23px; height: 23px; }
  .post-art-title .arrow-icon::after { width: 32px; }
  .post-art-bottom { display: none; }
  .post-card-copy { padding: 26px; }
  .featured-post h3 { font-size: 25px; }
  .post-card-bottom { flex-direction: row; align-items: center; }
  .journal-entry { grid-template-columns: minmax(0, 1fr) 36px; gap: 13px; padding-block: 21px; }
  .journal-entry-meta { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: space-between; }
  .journal-entry h3 { font-size: 16px; }
  .journal-afterword { gap: 16px; padding-bottom: 33px; }
  .afterword-label { display: none; }
  .lower-layout { grid-template-columns: 1fr; gap: 38px; padding-block: 35px 48px; }
  .lower-layout h2 { font-size: 25px; }
  .about-section { padding-top: 28px; border-top: 1px solid var(--line); }
  .about-top { margin-top: 0; }
  .footer-bottom { gap: 10px 16px; }
  .footer-bottom p:last-of-type { order: 3; width: 100%; margin-left: 0; }
  .footer-top-link { margin-left: auto; }
  .article-page { padding-top: 26px; padding-bottom: 46px; }
  .article-layout { margin-top: 30px; }
  .article-header h1 { font-size: 35px; }
  .article-lead { font-size: 14px; }
  .article-section h2 { font-size: 23px; }
  .article-section > p { font-size: 14px; }
  .article-list { font-size: 14px; }
  .article-table { min-width: 0; font-size: 11px; }
  .article-table th, .article-table td { padding: 11px 10px; }
  .article-table caption { padding: 12px 14px; font-size: 11px; }
}
@media (max-width: 480px) {
  .header-inner { flex-wrap: wrap; gap: 14px; padding-block: 19px 10px; }
  .site-nav { width: 100%; justify-content: space-between; gap: 20px; }
  .site-nav a { padding-block: 5px 10px; }
  .site-nav a.is-current::after { bottom: 3px; }
  .hero { gap: 34px; padding-block: 39px; }
  .hero h1 { margin-top: 19px; font-size: clamp(35px, 11.8vw, 55px); letter-spacing: -2px; }
  .hero-description { margin-top: 20px; font-size: 12px; }
  .hero-actions { margin-top: 24px; gap: 24px; }
  .button-link { padding: 12px 20px; gap: 28px; font-size: 12px; }
  .hero-actions .text-link { font-size: 12px; }
  .hero-footnote { gap: 8px; margin-top: 27px; font-size: 9px; }
  .hero-footnote span:last-child { display: none; }
  .hero-art { padding: 20px; border-radius: 15px; }
  .art-topline { font-size: 8px; }
  .connection-art { height: 244px; }
  .orbit-ring { width: min(87%, 255px); height: 90px; }
  .orbit-circle { width: min(70%, 200px); }
  .hub-core { width: 94px; height: 94px; }
  .hub-core > span { font-size: 29px; }
  .hub-core small { font-size: 9px; }
  .orbit-label { padding: 3px 9px; font-size: 10px; }
  .label-publish { left: 0; }
  .label-subscribe { right: 0; }
  .art-bottomline strong { font-size: 17px; }
  .art-bottomline > .arrow-icon { width: 14px; height: 14px; }
  .art-bottomline > .arrow-icon::after { width: 20px; }
  .section-heading { align-items: flex-start; gap: 16px; margin-bottom: 23px; }
  .section-heading h2 { font-size: 22px; letter-spacing: -.7px; }
  .section-count { flex-direction: column; align-items: flex-end; gap: 5px; padding-top: 3px; }
  .eyebrow { font-size: 10px; letter-spacing: 1px; }
  .post-card-copy { padding: 23px; }
  .post-art-title > span { font-size: clamp(33px, 10vw, 40px); }
  .featured-post h3 { font-size: clamp(21px, 6.2vw, 26px); }
  .post-excerpt { font-size: 12px; }
  .post-card-bottom { align-items: flex-start; flex-direction: column; }
  .archive-entry { grid-template-columns: 53px minmax(0, 1fr) 11px; gap: 10px; font-size: 12px; }
  .lower-layout h2 { font-size: 23px; }
  .about-section > p { font-size: 12px; }
  .about-signature span:first-child { font-size: 12px; }
  .footer-bottom > p:first-of-type { display: none; }
  .footer-beian { font-size: 24px; }
  .article-header h1 { font-size: clamp(28px, 8.5vw, 37px); }
  .article-byline { gap: 9px; font-size: 10px; }
  .article-callout { padding: 18px; }
  .article-callout p { font-size: 13px; }
  .article-section { margin-top: 34px; }
  .article-section h2 { font-size: 21px; gap: 12px; }
  .article-section > p { font-size: 13px; }
  .article-list { font-size: 13px; }
  .code-toolbar { padding-inline: 15px; }
  pre { padding: 20px 16px; font-size: 11px; }
  .article-tip { padding: 18px; }
  .article-tip p { font-size: 12px; }
  .article-source .text-link { font-size: 11px; gap: 13px; }
}