/* KEGUX 样式：八句话——深靛蓝底、米白粗宋大字、珊瑚色强调。改动后把 hugo.toml 的 params.assetVersion 加 1。 */
:root {
  --bg: #1C2540;
  --bg-2: #222C4B;
  --bg-3: #161D33;
  --line: #36416A;
  --line-2: #4A5683;
  --fg: #F3EEE3;
  --fg-body: #DDD8CD;
  --fg-2: #C2C8D9;
  --fg-3: #8E96B0;
  --hot: #F2896A;
  --hot-2: #F7B39E;
  --card: #F3EEE3;
  --card-ink: #1C2540;
  --card-2: #5B6480;
  --ok: #8FD3A9;
  --warn: #F2C46A;
  --stop: #FF8F82;
  --tip: #A9BDF5;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", "Songti SC", "STSong", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --num: "Bahnschrift", "DIN Alternate", "DIN Condensed", "Arial Narrow", sans-serif;
  --mono: "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 16px; }
body { margin: 0; background: var(--bg); color: var(--fg-body); font-family: var(--sans); font-size: 17px; line-height: 1.9; overflow-wrap: break-word; }
img { max-width: 100%; height: auto; }
a { color: var(--hot-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--fg); }
:focus-visible { outline: 2px solid var(--hot); outline-offset: 3px; border-radius: 3px; }
::selection { background: rgba(242, 137, 106, .35); color: var(--fg); }
.ju-skip { position: absolute; left: -9999px; top: 8px; z-index: 50; background: var(--hot); color: var(--card-ink); padding: 10px 16px; }
.ju-skip:focus { left: 12px; }
.ju-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* —— 页头 —— */
.ju-top { border-bottom: 1px solid var(--line); }
.ju-top-in { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.ju-brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--fg); text-decoration: none; }
.ju-brand:hover { color: var(--fg); }
.ju-brand span { font-family: var(--num); font-size: 20px; letter-spacing: .3em; margin-right: -.3em; }
.ju-mark { flex: none; }
.ju-nav { margin-left: auto; display: flex; align-items: center; }
.ju-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; color: var(--fg-2); text-decoration: none; font-size: 14.5px; }
.ju-nav a:hover { color: var(--fg); }
.ju-nav a[aria-current="page"] { color: var(--fg); box-shadow: inset 0 -2px 0 var(--hot); }

/* —— 版面：正文列 + 右侧句子提纲 —— */
.ju-frame { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 56px; }
.ju-frame.is-solo { grid-template-columns: minmax(0, 780px); justify-content: center; }
.ju-col { min-width: 0; max-width: 860px; }
.ju-rail { position: sticky; top: 20px; align-self: start; margin-top: 44px; max-height: calc(100vh - 40px); overflow: auto; }
.ju-rail ol, .ju-rail-m ol { list-style: none; margin: 0; padding: 0; }
.ju-rail ol { border-left: 1px solid var(--line); }
.ju-rail a, .ju-rail-m a { display: grid; grid-template-columns: 34px 1fr; align-items: baseline; min-height: 40px; padding: 7px 0 7px 14px; color: var(--fg-3); text-decoration: none; font-size: 13.5px; line-height: 1.45; }
.ju-rail i, .ju-rail-m i { font-style: normal; font-family: var(--num); font-size: 15px; }
.ju-rail a:hover { color: var(--fg); }
.ju-rail a.is-on { color: var(--fg); box-shadow: -2px 0 0 var(--hot); }
.ju-rail a.is-on i { color: var(--hot); }
.ju-rail-m { display: none; }

/* —— 开场 —— */
.ju-open { padding: 40px 0 36px; }
.ju-open h1 { margin: 0; font-size: 19px; line-height: 1.5; font-weight: 700; letter-spacing: .05em; color: var(--fg-2); }
.ju-big { margin: 18px 0 0; font-family: var(--serif); font-weight: 900; font-size: 62px; line-height: 1.22; color: var(--fg); letter-spacing: .01em; }
.ju-big em, .ju-say em { font-style: normal; color: var(--hot); white-space: nowrap; }
.ju-lead { margin: 16px 0 0; font-size: 17px; line-height: 1.85; color: var(--fg-2); max-width: 38em; }
.ju-byline { display: flex; flex-wrap: wrap; margin: 18px 0 0; font-size: 13.5px; color: var(--fg-3); line-height: 1.7; }
.ju-byline span + span::before { content: "/"; margin: 0 10px; color: var(--line-2); }
.ju-byline a { color: var(--fg-2); }

/* —— 码卡 —— */
.ju-code { margin-top: 28px; background: var(--card); color: var(--card-ink); border-radius: 14px; padding: 16px 20px 14px; display: grid; grid-template-columns: auto auto auto minmax(0, 1fr); grid-template-areas: "k v copy go" "msg msg msg msg" "gain gain gain gain" "note note note note"; gap: 6px 18px; align-items: center; line-height: 1.6; }
.ju-code-k { grid-area: k; margin: 0; font-size: 13px; color: var(--card-2); line-height: 1.35; }
.ju-code-k b { display: block; font-size: 14.5px; color: var(--card-ink); }
.ju-code code, .ju-prose .ju-code code { grid-area: v; padding: 0; background: none; border: 0; border-radius: 0; font-family: var(--num); font-size: 32px; font-weight: 700; letter-spacing: .1em; color: var(--card-ink); }
.ju-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 48px; padding: 0 20px; border-radius: 10px; font: inherit; font-size: 15.5px; font-weight: 800; cursor: pointer; text-decoration: none; }
.ju-btn-copy { grid-area: copy; background: transparent; border: 2px solid var(--card-ink); color: var(--card-ink); justify-self: start; }
.ju-btn-copy:hover { background: rgba(28, 37, 64, .08); }
.ju-btn-copy.is-done { border-color: #2E7D4F; color: #2E7D4F; }
.ju-btn-go { grid-area: go; background: var(--hot); color: #1B1F2E; border: 0; }
.ju-btn-go:hover { background: #F49C82; color: #1B1F2E; text-decoration: none; }
.ju-code-msg { grid-area: msg; margin: 0; font-size: 13px; color: #2E7D4F; }
.ju-code-msg:empty { display: none; }
.ju-code-gain { grid-area: gain; margin: 4px 0 0 !important; max-width: none !important; font-size: 14px; color: #3B4463; }
.ju-code-note { grid-area: note; margin: 0 !important; max-width: none !important; font-size: 12px; color: var(--card-2); }
.ju-code.is-inline { margin: 34px 0; }

/* —— 每一句 —— */
.ju-band { border-top: 1px solid var(--line); padding: 54px 0 44px; }
.ju-no { margin: 0; font-family: var(--num); font-size: 15px; letter-spacing: .12em; color: var(--fg-3); line-height: 1.5; }
.ju-no b { color: var(--hot); font-weight: 700; font-size: 18px; }
.ju-band > h2 { margin: 8px 0 0; font-family: var(--sans); font-size: 19px; line-height: 1.5; font-weight: 700; letter-spacing: .02em; color: var(--fg-2); scroll-margin-top: 16px; }
.ju-say { margin: 12px 0 0; font-family: var(--serif); font-weight: 900; font-size: 42px; line-height: 1.32; color: var(--fg); letter-spacing: .01em; }
.ju-src { margin: 12px 0 0; font-size: 13.5px; color: var(--fg-3); line-height: 1.7; }
.ju-src::before { content: "出处 "; color: var(--hot); letter-spacing: .1em; margin-right: 4px; }
.ju-band > p:not([class]) { margin-top: 22px; }
.ju-band.is-answer .ju-say { font-size: 34px; }
.ju-more { margin-top: 18px; }
.ju-more > summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 18px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--fg); font-size: 15px; }
.ju-more > summary::-webkit-details-marker { display: none; }
.ju-more > summary::after { content: "↓"; color: var(--hot); }
.ju-more[open] > summary::after { content: "↑"; }
.ju-more > summary span { color: var(--fg-3); font-size: 13px; }
.ju-more > summary:hover { border-color: var(--hot); }
.ju-more[open] > summary { margin-bottom: 14px; }

/* —— 正文排版 —— */
.ju-prose p { margin: 0 0 16px; max-width: 40em; }
.ju-prose h3 { margin: 30px 0 10px; font-size: 19.5px; line-height: 1.5; font-weight: 700; color: var(--fg); scroll-margin-top: 16px; }
.ju-prose h3::before { content: ""; display: inline-block; width: 8px; height: 8px; margin: 0 10px 3px 0; background: var(--hot); vertical-align: middle; }
.ju-prose h4 { margin: 22px 0 8px; font-size: 17px; color: var(--fg); }
.ju-prose strong { color: var(--fg); font-weight: 700; box-shadow: inset 0 -.3em 0 rgba(242, 137, 106, .28); }
.ju-prose ul, .ju-prose ol { margin: 0 0 18px; padding-left: 1.5em; max-width: 40em; }
.ju-prose li { margin: 5px 0; }
.ju-prose ul { list-style: none; padding-left: 1.3em; }
.ju-prose ul > li { position: relative; }
.ju-prose ul > li::before { content: ""; position: absolute; left: -1.05em; top: .92em; width: .55em; border-top: 2px solid var(--hot); }
.ju-prose ol.ju-steps-list { list-style: none; padding-left: 0; counter-reset: justep; }
.ju-prose ol.ju-steps-list > li { counter-increment: justep; position: relative; padding: 2px 0 14px 50px; margin: 0; }
.ju-prose ol.ju-steps-list > li::before { content: counter(justep, decimal-leading-zero); position: absolute; left: 0; top: 0; font-family: var(--num); font-size: 22px; font-weight: 700; color: var(--hot); line-height: 1.5; }
.ju-prose blockquote { margin: 22px 0; padding: 2px 0 2px 20px; border-left: 3px solid var(--hot); color: var(--fg); font-family: var(--serif); font-size: 19px; }
.ju-prose code { font-family: var(--mono); font-size: .88em; padding: 1px 6px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 4px; color: var(--fg); }
.ju-prose hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.ju-art > h2 { margin: 52px 0 14px; padding-top: 34px; border-top: 1px solid var(--line); font-family: var(--serif); font-size: 30px; line-height: 1.38; font-weight: 900; color: var(--fg); scroll-margin-top: 16px; counter-increment: juh2; }
.ju-art { counter-reset: juh2; }
.ju-art > h2::before { content: counter(juh2, decimal-leading-zero); display: block; font-family: var(--num); font-size: 15px; letter-spacing: .12em; color: var(--hot); font-weight: 700; margin-bottom: 4px; }
.ju-art > h2:first-child { margin-top: 10px; }

/* 注册速查（HowTo 可见版） */
.ju-steps { margin: 24px 0 8px; padding: 18px 20px 6px; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 14px; }
.ju-steps-h { margin: 0 0 4px !important; font-size: 14px; letter-spacing: .14em; color: var(--hot); }
.ju-steps ol { list-style: none; margin: 0; padding: 0; counter-reset: juw; max-width: none; }
.ju-steps li { counter-increment: juw; border-top: 1px solid var(--line); margin: 0; }
.ju-steps li:first-child { border-top: 0; }
.ju-steps a { display: grid; grid-template-columns: 44px 1fr; padding: 11px 0; min-height: 44px; text-decoration: none; color: var(--fg); line-height: 1.6; }
.ju-steps a::before { content: counter(juw, decimal-leading-zero); grid-row: 1 / span 2; font-family: var(--num); font-size: 22px; font-weight: 700; color: var(--hot); line-height: 1.3; }
.ju-steps b { font-size: 16px; }
.ju-steps span { grid-column: 2; font-size: 14.5px; color: var(--fg-2); }
.ju-steps a:hover b { color: var(--hot-2); }

/* 提示四种 */
.ju-note { margin: 24px 0; padding: 14px 18px 4px; border-radius: 10px; background: var(--bg-2); border-left: 4px solid; font-size: 16px; max-width: 42em; }
.ju-note-h { margin: 0 0 6px !important; font-size: 14px; font-weight: 700; letter-spacing: .1em; }
.ju-note.is-tip { border-color: var(--tip); } .ju-note.is-tip .ju-note-h { color: var(--tip); }
.ju-note.is-ok { border-color: var(--ok); } .ju-note.is-ok .ju-note-h { color: var(--ok); }
.ju-note.is-warn { border-color: var(--warn); border-left-style: dashed; } .ju-note.is-warn .ju-note-h { color: var(--warn); }
.ju-note.is-stop { border-color: var(--stop); background: rgba(255, 143, 130, .08); } .ju-note.is-stop .ju-note-h { color: var(--stop); }
.ju-note p:last-child, .ju-note ul:last-child { margin-bottom: 12px; }

/* 屏幕原话分流 */
.ju-state { margin: 22px 0; max-width: 42em; border: 1px solid var(--line-2); border-radius: 12px; overflow: hidden; }
.ju-state-lab { margin: 0 !important; padding: 6px 16px; font-size: 12.5px; letter-spacing: .12em; color: var(--fg-3); border-bottom: 1px solid var(--line); }
.ju-state-say { margin: 0 !important; padding: 14px 16px; font-family: var(--serif); font-weight: 700; font-size: 20px; line-height: 1.5; color: var(--fg); background: var(--bg-2); box-shadow: inset 4px 0 0 var(--hot); }
.ju-state-do { padding: 12px 16px 2px; font-size: 16px; }

/* 依据 */
.ju-basis { margin: 34px 0 6px; padding: 16px 0 2px; border-top: 3px double var(--line-2); font-size: 14.5px; line-height: 1.85; color: var(--fg-2); max-width: 44em; }
.ju-basis-h { margin: 0 0 8px !important; font-weight: 700; color: var(--fg); font-size: 14.5px; }
.ju-basis-h span { font-weight: 400; color: var(--hot-2); margin-left: 8px; }

/* 表格 */
.ju-table { margin: 22px 0 26px; overflow-x: auto; -webkit-overflow-scrolling: touch; border-top: 2px solid var(--fg-2); }
.ju-table table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.7; }
.ju-table th { text-align: left; padding: 10px 14px; font-weight: 700; color: var(--fg-2); font-size: 13.5px; letter-spacing: .06em; border-bottom: 1px solid var(--line-2); white-space: nowrap; }
.ju-table td { padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.ju-table td:first-child { color: var(--fg); font-weight: 700; }

/* 图 */
.ju-shot, .ju-fig { margin: 26px 0; }
.ju-shot img, .ju-fig img { display: block; border: 1px solid var(--line-2); border-radius: 8px; background: var(--bg-2); }
.ju-shot.is-phone { max-width: 320px; }
.ju-shot figcaption, .ju-fig figcaption, .ju-cover figcaption { margin-top: 8px; font-size: 13.5px; color: var(--fg-3); line-height: 1.7; }
.ju-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 26px 0; align-items: start; max-width: 720px; }
.ju-pair > figure { margin: 0; }
.ju-cover { margin: 0 0 30px; }
.ju-cover img { display: block; border-radius: 10px; }
.ju-pull { margin: 34px 0; padding: 4px 0 4px 22px; border-left: 4px solid var(--hot); }
.ju-pull .ju-say { margin-top: 0; font-size: 32px; }

/* 常见问题 */
.ju-faq > h2, .ju-faq-in > h2 { scroll-margin-top: 16px; }
.ju-faq-in > h2 { margin: 52px 0 12px; padding-top: 34px; border-top: 1px solid var(--line); font-family: var(--serif); font-size: 28px; font-weight: 900; color: var(--fg); }
.ju-qa { margin-top: 18px; border-top: 1px solid var(--line-2); }
.ju-qa details { border-bottom: 1px solid var(--line); }
.ju-qa summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 46px 1fr 22px; align-items: baseline; min-height: 52px; padding: 13px 0; font-size: 17px; font-weight: 700; color: var(--fg); line-height: 1.6; }
.ju-qa summary::-webkit-details-marker { display: none; }
.ju-qa summary i { font-style: normal; font-family: var(--num); font-size: 15px; color: var(--hot); font-weight: 400; }
.ju-qa summary::after { content: "+"; font-family: var(--num); color: var(--fg-3); font-size: 22px; font-weight: 400; line-height: 1; text-align: right; }
.ju-qa details[open] summary::after { content: "−"; color: var(--hot); }
.ju-qa summary:hover { color: var(--hot-2); }
.ju-qa details p { margin: 0 0 16px 46px; font-size: 16px; color: var(--fg-body); line-height: 1.9; max-width: 38em; }

/* 署名 */
.ju-sign { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); }
.ju-sign-by { margin: 0 0 8px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 14px; }
.ju-sign-by b { font-family: var(--serif); font-size: 24px; font-weight: 900; color: var(--fg); }
.ju-sign-by span { font-size: 13px; color: var(--fg-3); }
.ju-sign-note { margin: 0; font-size: 14px; line-height: 1.85; color: var(--fg-3); max-width: 46em; }
.ju-sign-note a { color: var(--fg-2); }

/* 句子列表（栏目、话题、首页最新、接着读） */
.ju-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-2); }
.ju-list li { border-bottom: 1px solid var(--line); }
.ju-list a { display: grid; grid-template-columns: 56px minmax(0, 1fr); column-gap: 14px; padding: 20px 0 22px; text-decoration: none; color: var(--fg); }
.ju-list-no { grid-row: 1 / span 2; font-family: var(--num); font-size: 20px; color: var(--hot); line-height: 1.4; }
.ju-list-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 14px; font-size: 14px; line-height: 1.6; color: var(--fg-2); }
.ju-list-meta b { font-weight: 700; }
.ju-list-meta time { font-family: var(--num); color: var(--fg-3); font-size: 13.5px; }
.ju-list-say { margin-top: 6px; font-family: var(--serif); font-weight: 900; font-size: 25px; line-height: 1.4; }
.ju-list a:hover .ju-list-say { color: var(--hot-2); }
.ju-more-list { margin-top: 44px; }
.ju-more-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 16px; margin-bottom: 10px; }
.ju-more-head p { margin: 0; font-size: 14px; letter-spacing: .14em; color: var(--hot); }
.ju-more-head a { display: inline-flex; align-items: center; min-height: 44px; font-size: 15px; }
.ju-next { margin-top: 40px; }
.ju-next-h { margin: 0 0 10px; font-size: 14px; letter-spacing: .14em; color: var(--hot); }
.ju-next .ju-list-say { font-size: 21px; }

/* 文章页 */
.ju-crumbs { list-style: none; display: flex; flex-wrap: wrap; align-items: center; margin: 14px 0 0; padding: 0; font-size: 13.5px; color: var(--fg-3); line-height: 1.6; }
.ju-crumbs li + li::before { content: "/"; margin: 0 8px; color: var(--line-2); }
.ju-crumbs a { color: var(--fg-2); display: inline-flex; align-items: center; min-height: 44px; }
.ju-art-head { padding: 16px 0 26px; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.ju-art-head h1, .ju-page-head h1 { margin: 8px 0 0; font-family: var(--sans); font-size: 21px; line-height: 1.5; font-weight: 800; color: var(--fg-2); letter-spacing: .02em; }
.ju-art-head .ju-say { font-size: 46px; }
.ju-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 34px 0 0; }
.ju-tags-lab { font-size: 13px; letter-spacing: .12em; color: var(--fg-3); margin-right: 4px; }
.ju-tags a, .ju-tags > span:not(.ju-tags-lab) { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 14px; text-decoration: none; color: var(--fg); }
.ju-tags a:hover { border-color: var(--hot); color: var(--hot-2); }
.ju-tags > span:not(.ju-tags-lab) { color: var(--fg-3); border-style: dashed; }
.ju-prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 30px; }
.ju-prevnext a { display: block; padding: 14px 16px; border: 1px solid var(--line-2); border-radius: 12px; text-decoration: none; color: var(--fg); font-size: 15px; line-height: 1.6; min-height: 44px; }
.ju-prevnext a.is-next { text-align: right; grid-column: 2; }
.ju-prevnext small { display: block; font-size: 12.5px; color: var(--fg-3); letter-spacing: .1em; }
.ju-prevnext a:hover { border-color: var(--hot); }

/* 列表页、话题、站务、404 */
.ju-narrow { max-width: 920px; padding-bottom: 72px; }
.ju-page-head { padding: 16px 0 26px; margin-bottom: 8px; }
.ju-page-head .ju-say { font-size: 40px; }
.ju-page-head .ju-big { font-size: 56px; margin-top: 10px; }
.ju-intro { margin-top: 16px; color: var(--fg-2); font-size: 16.5px; max-width: 40em; }
.ju-intro p { margin: 0 0 10px; }
.ju-pages { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px 16px; margin-top: 34px; font-size: 15px; }
.ju-pages a, .ju-pages b, .ju-pages .is-off { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 0 12px; border-radius: 999px; text-decoration: none; font-family: var(--num); }
.ju-pages-nums { display: inline-flex; gap: 6px; }
.ju-pages-nums a { border: 1px solid var(--line-2); color: var(--fg-2); }
.ju-pages-nums b { background: var(--hot); color: #1B1F2E; }
.ju-pages-side { font-family: var(--sans) !important; color: var(--fg); border: 1px solid var(--line-2); }
.ju-pages .is-off { color: var(--line-2); border-color: var(--line); }
.ju-topics { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.ju-topics a { display: block; height: 100%; padding: 18px 20px; border: 1px solid var(--line-2); border-radius: 14px; text-decoration: none; color: var(--fg); }
.ju-topics b { display: block; font-family: var(--serif); font-weight: 900; font-size: 24px; line-height: 1.4; }
.ju-topics span { display: block; font-size: 14px; color: var(--fg-2); margin: 6px 0; line-height: 1.7; }
.ju-topics em { font-style: normal; font-family: var(--num); color: var(--hot); }
.ju-topics a:hover { border-color: var(--hot); }
.ju-empty { padding: 18px 20px; border: 1px dashed var(--line-2); border-radius: 12px; color: var(--fg-2); }
.ju-plain-body { padding-top: 10px; }
.ju-plain-body h2 { margin: 36px 0 12px; font-family: var(--serif); font-size: 26px; font-weight: 900; color: var(--fg); line-height: 1.4; }
.ju-plain-body h2:first-child { margin-top: 0; }
.ju-code-inline { font-family: var(--num); font-weight: 700; letter-spacing: .08em; color: var(--fg); }
.ju-ways { list-style: none; margin: 10px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ju-ways a { display: flex; align-items: center; min-height: 56px; padding: 8px 18px; border: 1px solid var(--line-2); border-radius: 12px; text-decoration: none; color: var(--fg); }
.ju-ways a:hover { border-color: var(--hot); }

/* 页脚 */
.ju-foot { margin-top: 30px; background: var(--bg-3); border-top: 1px solid var(--line); font-size: 14px; line-height: 1.85; color: var(--fg-3); }
.ju-foot-grid { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr) minmax(0, 1fr); gap: 36px; padding: 36px 0 22px; }
.ju-foot-note p { margin: 10px 0 0; }
.ju-foot h2 { margin: 6px 0 8px; font-size: 13px; letter-spacing: .16em; color: var(--fg-2); }
.ju-foot ul { list-style: none; margin: 0; padding: 0; }
.ju-foot li a { display: inline-flex; align-items: center; min-height: 44px; color: var(--fg-2); text-decoration: none; }
.ju-foot li a:hover { color: var(--fg); text-decoration: underline; }
.ju-foot-note a { color: var(--fg-2); }
.ju-foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; margin: 0; padding: 14px 0 26px; border-top: 1px solid var(--line); font-size: 13px; }
.ju-foot-base a { color: var(--fg-2); display: inline-flex; align-items: center; min-height: 44px; }

/* —— 窄屏 —— */
@media (max-width: 1080px) {
  .ju-frame { grid-template-columns: minmax(0, 1fr) 190px; gap: 36px; }
  .ju-big { font-size: 52px; }
}
@media (max-width: 900px) {
  .ju-frame, .ju-frame.is-solo { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .ju-rail { display: none; }
  .ju-rail-m { display: block; margin: 0 0 6px; border: 1px solid var(--line-2); border-radius: 12px; }
  .ju-rail-m summary { cursor: pointer; min-height: 48px; display: flex; align-items: center; padding: 0 16px; color: var(--fg); font-size: 15px; }
  .ju-rail-m ol { padding: 0 6px 8px; border-top: 1px solid var(--line); }
  .ju-rail-m a { color: var(--fg-2); min-height: 44px; }
  .ju-rail-m i { color: var(--hot); }
}
@media (max-width: 640px) {
  body { font-size: 16.5px; }
  .ju-wrap { padding: 0 16px; }
  .ju-top-in { min-height: 56px; gap: 6px; }
  .ju-brand span { font-size: 17px; letter-spacing: .22em; margin-right: -.22em; }
  .ju-mark { width: 26px; height: 26px; }
  .ju-nav a { padding: 0 9px; font-size: 14px; }
  .ju-nav .is-home { display: none; }
  .ju-open { padding: 14px 0 24px; }
  .ju-open h1 { font-size: 15px; }
  .ju-big { font-size: 24px; line-height: 1.4; margin-top: 10px; }
  .ju-lead { font-size: 14.5px; margin-top: 8px; line-height: 1.75; }
  .ju-code { margin-top: 14px; padding: 12px; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "v copy" "go go" "msg msg" "gain gain" "note note"; gap: 8px 10px; }
  .ju-code-k { display: none; }
  .ju-code code, .ju-prose .ju-code code { font-size: 27px; }
  .ju-btn-go { width: 100%; }
  .ju-code-gain { font-size: 13px; margin-top: 0; }
  .ju-code-note { font-size: 11.5px; }
  .ju-byline { font-size: 12.5px; margin-top: 14px; }
  .ju-byline span:last-child { display: none; }
  .ju-band { padding: 36px 0 30px; }
  .ju-band > h2 { font-size: 16.5px; }
  .ju-say { font-size: 27px; line-height: 1.4; }
  .ju-band.is-answer .ju-say { font-size: 24px; }
  .ju-art-head .ju-say, .ju-page-head .ju-say { font-size: 28px; }
  .ju-page-head .ju-big { font-size: 34px; }
  .ju-art > h2 { font-size: 23px; margin-top: 40px; padding-top: 26px; }
  .ju-faq-in > h2 { font-size: 23px; }
  .ju-prose h3 { font-size: 18px; }
  .ju-steps { padding: 14px 14px 4px; }
  .ju-qa summary { grid-template-columns: 36px 1fr 18px; font-size: 16px; }
  .ju-qa details p { margin-left: 0; }
  .ju-pull .ju-say { font-size: 24px; }
  .ju-state-say { font-size: 18px; }
  .ju-pair { grid-template-columns: minmax(0, 1fr); }
  .ju-list a { grid-template-columns: 38px minmax(0, 1fr); padding: 16px 0 18px; }
  .ju-list-no { font-size: 17px; }
  .ju-list-say { font-size: 20px; }
  .ju-topics, .ju-ways { grid-template-columns: minmax(0, 1fr); }
  .ju-prevnext { grid-template-columns: minmax(0, 1fr); }
  .ju-prevnext a.is-next { grid-column: 1; }
  .ju-foot-grid { grid-template-columns: 1fr 1fr; gap: 10px 20px; padding-top: 28px; }
  .ju-foot-note { grid-column: 1 / -1; }
  .ju-table.is-stack { border-top: 0; overflow: visible; }
  .ju-table.is-stack table, .ju-table.is-stack tbody, .ju-table.is-stack tr, .ju-table.is-stack td { display: block; width: 100%; }
  .ju-table.is-stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .ju-table.is-stack tr { margin: 0 0 12px; padding: 6px 14px; border: 1px solid var(--line-2); border-radius: 12px; }
  .ju-table.is-stack td { border-bottom: 1px solid var(--line); padding: 8px 0; }
  .ju-table.is-stack td:last-child { border-bottom: 0; }
  .ju-table.is-stack td::before { content: attr(data-th); display: block; font-size: 12px; font-weight: 400; letter-spacing: .08em; color: var(--fg-3); }
}
@media (max-width: 360px) {
  .ju-nav .is-about { display: none; }
  .ju-big { font-size: 22px; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .ju-btn, .ju-rail a, .ju-more > summary { transition: color .15s, background-color .15s, border-color .15s, box-shadow .15s; }
}