/*
 * 2026-10-02（issue 176，第二階段）洞察與文章頁群：文章總覽（編輯式版型）、文章頁（雜誌式閱讀）、文章建議區。
 * 排在 inner.css 之後，規則一律收在 #main.inner-main 之下（和 inner.css 同一套優先權策略），顏色與尺度只引用 design-tokens.css 的變數。
 * 記憶點：沒有封面的文章用「描邊日期大字＋同心圓」的品牌佔位（依類型固定三種背景圖樣）；文章頁左側的目錄軌有一條隨閱讀進度長高的藍線。
 * 動態：靜態樣式永遠有效；位移與循環動畫只在 prefers-reduced-motion: no-preference 且 html:not([data-motion="off"]) 之內。
 */

#main.inner-main {
  /* ---------- 品牌化封面佔位（總覽卡片、文章建議卡共用） ---------- */
  .article-cover { position: absolute; inset: 0; display: block; overflow: hidden; background: var(--deep); color: var(--soft); isolation: isolate; }
  .article-cover::before { content: ""; position: absolute; inset: 0; z-index: -1; }
  /* 主題底紋（data-theme 由伺服器端依文章標籤算出，見 ArticleCover.ThemeOf）：只用 token 色的 CSS 圖形，不用圖片。預設＝橫線＋光暈。 */
  .article-cover::before { background: radial-gradient(60% 80% at 85% 10%, color-mix(in srgb, var(--cta) 32%, transparent), transparent 70%), linear-gradient(var(--deep-line) 1px, transparent 1px) 0 0 / 100% 2rem; opacity: .9; }
  .article-cover[data-theme="ransom"]::before { background: radial-gradient(60% 80% at 10% 100%, color-mix(in srgb, var(--cloudforce-blue) 30%, transparent), transparent 70%), repeating-linear-gradient(135deg, var(--deep-line) 0 1px, transparent 1px 1.5rem); opacity: 1; }
  .article-cover[data-theme="endpoint"]::before { background: radial-gradient(60% 80% at 80% 100%, color-mix(in srgb, var(--soft) 22%, transparent), transparent 70%), repeating-radial-gradient(circle at 80% 100%, var(--deep-line) 0 1px, transparent 1px 1.75rem); opacity: 1; }
  .article-cover[data-theme="vuln"]::before { background: radial-gradient(60% 80% at 50% 0, color-mix(in srgb, var(--cta) 26%, transparent), transparent 70%), linear-gradient(var(--deep-line) 1px, transparent 1px) 0 0 / 1.75rem 1.75rem, linear-gradient(90deg, var(--deep-line) 1px, transparent 1px) 0 0 / 1.75rem 1.75rem; opacity: 1; }
  .article-cover[data-theme="data"]::before { background: radial-gradient(60% 80% at 50% 0, color-mix(in srgb, var(--soft) 22%, transparent), transparent 70%), radial-gradient(var(--deep-line) 1.5px, transparent 2px) 0 0 / 1.25rem 1.25rem; opacity: 1; }
  .article-cover:not([data-theme="endpoint"]) .article-cover-rings { display: none; }
  .article-cover-rings { position: absolute; z-index: -1; right: -14%; bottom: -46%; width: 78%; aspect-ratio: 1; border-radius: 50%; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--soft) 40%, transparent), 0 0 0 clamp(1rem, 2.4vw, 2rem) color-mix(in srgb, var(--soft) 6%, transparent), 0 0 0 calc(clamp(1rem, 2.4vw, 2rem) + 1px) color-mix(in srgb, var(--soft) 22%, transparent); transition: transform 1.2s var(--ease); }
  .article-cover-date { position: absolute; left: clamp(1rem, 2.4vw, 1.75rem); bottom: clamp(.5rem, 1.4vw, 1rem); max-width: calc(100% - 2rem); color: color-mix(in srgb, var(--soft) 70%, transparent); font-family: "Inter Tight", var(--font-body); font-size: clamp(3rem, 6.4vw, 5.5rem); font-weight: 900; line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
  .article-cover-date--type { font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.15; letter-spacing: 0; }
  .article-cover-year { position: absolute; top: clamp(1rem, 2.2vw, 1.5rem); left: clamp(1rem, 2.4vw, 1.75rem); color: var(--muted-on-dark); font-family: "Inter Tight", var(--font-body); font-size: .75rem; font-weight: 700; letter-spacing: .24em; }

  /* ---------- 文章總覽：篩選列、大頭條、網格 ---------- */
  .article-directory { max-width: none; margin-top: clamp(2rem, 5vw, 4rem); }
  .article-filter { display: flex; flex-wrap: wrap; gap: .625rem; margin: 0 0 clamp(1.5rem, 3vw, 2.5rem); }
  .article-filter:empty { display: none; }
  html.js & .article-filter:empty { display: flex; min-height: 2.75rem; }
  /* issue 429：只有一種文章類型時 JS 會把類型列設為 hidden；上一行（html.js & …:empty）權重較高，曾讓隱藏的空列仍佔一列＋間距，
     在標籤／日期篩選頁留下約 84px 空白。hidden 必須同權重並排在後面。 */
  .article-filter[hidden], html.js & .article-filter[hidden] { display: none; }
  .article-chip { min-height: 2.75rem; padding: .5rem 1.25rem; border: 0; border-radius: var(--r-pill); background: transparent; box-shadow: inset 0 0 0 1px var(--line); color: var(--ink); font: inherit; font-size: .9375rem; font-weight: 700; cursor: pointer; transition: background .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease); }
  .article-chip:is(:hover, :focus-visible) { box-shadow: inset 0 0 0 1px var(--ink); }
  .article-chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); box-shadow: none; }
  /* 主題篩選（issue 195 第三批）：位於列表上方、依主題計數；沒有 JS 時整列 hidden（列表完整）。 */
  .article-topic-filter { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; margin: 0 0 clamp(1.5rem, 3vw, 2.5rem); }
  .article-topic-filter[hidden] { display: none; }
  .article-topic-label { margin: 0; color: var(--muted); font-size: .8125rem; font-weight: 700; letter-spacing: .12em; }
  .article-topic-chips { display: flex; flex-wrap: wrap; gap: .625rem; }
  .article-topic-filter .article-chip { display: inline-flex; align-items: center; gap: .5rem; padding-inline: 1rem; }
  .article-chip-count { min-width: 1.5rem; padding: .0625rem .4375rem; border-radius: var(--r-pill); background: var(--chip-bg); color: var(--tag-text); font-size: .75rem; font-variant-numeric: tabular-nums; text-align: center; }
  .article-chip[aria-pressed="true"] .article-chip-count { background: color-mix(in srgb, var(--paper) 18%, transparent); color: var(--paper); }
  .article-topic-status { margin: 0; color: var(--muted); font-size: .875rem; }

  .article-results { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(1rem, 1.8vw, 1.75rem); }
  @media (min-width: 40rem) { .article-results { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (min-width: 64rem) { .article-results { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
  .article-results .article-result { position: relative; display: flex; flex-direction: column; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--paper); transition: transform .6s var(--ease), box-shadow .6s var(--ease), border-color .4s var(--ease); }
  .article-results .article-result:is([hidden], [data-topic-off]) { display: none; }
  .article-result-cover { position: relative; flex: none; aspect-ratio: 16 / 9; overflow: hidden; background: var(--deep); }
  .article-result-cover > img, .article-result-cover > picture, .article-result-cover > picture > img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
  .article-result-body { position: relative; display: flex; flex: 1; flex-direction: column; padding: clamp(1.25rem, 2.2vw, 1.75rem) clamp(1.25rem, 2.2vw, 1.75rem) clamp(3.75rem, 5vw, 4.5rem); }
  .article-results .article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; margin: 0 0 1rem; color: var(--muted); font-size: .8125rem; letter-spacing: .06em; }
  .article-results .article-meta::before { display: none; }
  .article-results .article-type { padding: .25rem .75rem; border-radius: var(--r-pill); background: var(--chip-bg); color: var(--tag-text); font-weight: 700; letter-spacing: .04em; }
  /* issue 425：新文章標籤（new-articles.js 在 .article-meta 最前面加入；紅底白字，對比由 DesignTokenContrastTests 鎖住）。 */
  .article-results .nb-new { display: inline-flex; align-items: center; height: 1.25rem; padding: 0 .5rem; border-radius: var(--r-pill); background: var(--badge-red); color: var(--paper); font-size: .6875rem; font-weight: 700; line-height: 1; letter-spacing: .06em; }
  .article-results .article-result h2 { margin: 0 0 .75rem; font-size: clamp(1.1875rem, 1.7vw, 1.5rem); font-weight: 800; line-height: 1.35; text-wrap: balance; }
  .article-results .article-result h2 a { display: block; min-height: 0; padding: 0; color: var(--ink); text-decoration: none; }
  .article-results .article-result h2 a::after { content: ""; position: absolute; inset: 0; z-index: 2; }
  .article-results .article-result h2 a:focus-visible { outline: none; }
  .article-results .article-result:has(h2 a:focus-visible) { outline: 3px solid var(--action); outline-offset: 3px; }
  .article-result-summary { margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .article-result-arrow { position: absolute; right: clamp(1.25rem, 2.2vw, 1.75rem); bottom: clamp(1.25rem, 2.2vw, 1.5rem); display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--line); color: var(--ink); transition: background .4s var(--ease), color .4s var(--ease), box-shadow .4s var(--ease), transform .5s var(--ease); }
  .article-results .article-result:is(:hover, :focus-within) .article-result-arrow { background: var(--cta); color: var(--on-accent); box-shadow: none; transform: translateX(.25rem); }
  .article-results .article-result:is(:hover, :focus-within) { border-color: var(--ink); }

  /* 首篇大卡上移，與頁首區下緣重疊 4rem（寬螢幕，首屏就看得到文章）；類型篩選列在這個版面改為浮在頁首區底部右側
     （絕對定位，不占版面、有無 JS 都不位移；頁首文字在左側，不互相遮擋），改用深底配色。
     只在有大頭條、沒有標籤篩選提示時套用；窄螢幕、翻頁與標籤篩選的結果頁維持原本的間距。 */
  @media (min-width: 64rem) {
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) { position: relative; z-index: 2; margin-top: -4rem; padding-top: 0; }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) > .article-filter { position: absolute; inset: auto 0 calc(100% + 1.25rem) auto; margin: 0; justify-content: flex-end; }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .article-chip { color: var(--paper); box-shadow: inset 0 0 0 1px var(--deep-line); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .article-chip:is(:hover, :focus-visible) { box-shadow: inset 0 0 0 1px var(--soft); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .article-chip[aria-pressed="true"] { background: var(--paper); color: var(--ink); box-shadow: none; }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) :is(.article-topic-label, .article-topic-status) { color: var(--muted-on-dark); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .article-topic-filter .article-chip[aria-pressed="true"] .article-chip-count { background: var(--ink); color: var(--paper); }
    .article-results:not(.is-filtered, .is-topic-filtered) .article-result.is-lead { border: 1px solid var(--deep-line); box-shadow: var(--elevation-raised); }
  }

  /* 大頭條：第一頁的第一篇橫跨整列，深色底、封面佔左半、標題放大；篩選中或翻到下一頁時退回一般卡片。 */
  @media (min-width: 48rem) {
    .article-results:not(.is-filtered, .is-topic-filtered) .article-result.is-lead { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); border-color: transparent; border-radius: var(--r-card); background: var(--deeper); color: var(--paper); }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead .article-result-cover { aspect-ratio: auto; min-height: clamp(20rem, 32vw, 30rem); }
    /* 使用者 2026-11-03：大卡左欄高度由文字撐開（約 1:1），16:9 封面以 cover 填滿會裁掉左右（字在左側的封面被切字）。
       有封面圖時改為完整顯示、垂直置中，上下以卡片深底接續；沒有封面的日期佔位圖（_ArticleCover）維持原樣。 */
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead .article-result-cover:has(> img, > picture) { display: flex; align-items: center; background: transparent; }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead .article-result-cover:has(> img, > picture) img { position: static; inset: auto; width: 100%; height: auto; max-height: 100%; object-fit: contain; }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead .article-cover-date { font-size: clamp(5rem, 11vw, 10rem); }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead .article-result-body { justify-content: center; padding: clamp(2rem, 4.4vw, 4rem) clamp(2rem, 4.4vw, 4rem) clamp(4.5rem, 7vw, 6rem); }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead h2 { margin-bottom: 1.25rem; font-size: clamp(1.75rem, 3vw, 2.875rem); font-weight: 900; line-height: 1.2; letter-spacing: -.02em; }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead h2 a { color: var(--paper); }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead .article-result-summary { color: var(--muted-on-dark); font-size: 1.0625rem; -webkit-line-clamp: 4; line-clamp: 4; }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead .article-meta { color: var(--muted-on-dark); }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead .article-type { background: color-mix(in srgb, var(--paper) 10%, transparent); color: var(--soft); }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead .article-result-arrow { width: 3.25rem; height: 3.25rem; color: var(--paper); box-shadow: inset 0 0 0 1px var(--on-dark-line); }
    .article-results:not(.is-filtered, .is-topic-filtered) .is-lead:is(:hover, :focus-within) { border-color: transparent; }
  }
  .article-empty { padding: clamp(2rem, 5vw, 4rem); border: 1px dashed var(--line); border-radius: var(--r-card); color: var(--muted); font-size: 1.0625rem; text-align: center; }
  .article-pagination { justify-content: center; gap: .75rem; margin-block: clamp(2rem, 4vw, 3.5rem) 0; }
  .article-pagination a { min-height: 3rem; padding: .75rem 1.75rem; border: 0; border-radius: var(--r-pill); box-shadow: inset 0 0 0 1px var(--ink); color: var(--ink); font-weight: 700; text-decoration: none; transition: background .4s var(--ease), color .4s var(--ease); }
  .article-pagination a:is(:hover, :focus-visible) { background: var(--ink); color: var(--paper); }
  /* issue 429：「載入更多」——按鈕就是上面的 .article-pagination a（不另做按鈕樣式），下方一行「已顯示 n 篇」；
     載入中（aria-busy）暫時不可再點。播報區只給螢幕閱讀器。 */
  .article-more { display: grid; justify-items: center; gap: .75rem; }
  .article-more .article-pagination { margin-bottom: 0; }
  .article-shown { margin: 0; color: var(--muted); font-size: .875rem; text-align: center; }
  .article-pagination a[aria-busy="true"] { cursor: progress; opacity: .6; pointer-events: none; }
  .article-live { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

  /* ---------- 文章頁：頁首的中介資訊 ---------- */
  .page-head .article-meta { display: flex; flex-wrap: wrap; gap: .625rem; margin: 0 0 1.5rem; font-size: .8125rem; }
  .page-head .article-meta > span { padding: .375rem .875rem; border: 1px solid var(--deep-line); border-radius: var(--r-pill); background: color-mix(in srgb, var(--paper) 5%, transparent); color: var(--muted-on-dark); font-weight: 600; letter-spacing: .04em; }
  .page-head .article-meta > span:first-child { color: var(--soft); border-color: color-mix(in srgb, var(--soft) 45%, transparent); }
  .page-head .article-meta .ai-flag { background: color-mix(in srgb, var(--soft) 14%, transparent); border-color: color-mix(in srgb, var(--soft) 45%, transparent); color: var(--soft); }
  .page-head .article-source { display: block; max-width: 52ch; margin: 0 0 1.5rem; padding: 0; border: 0; color: var(--muted-on-dark); font-size: .875rem; }
  .page-head .article-source a { display: inline; min-height: 0; padding: 0; color: var(--soft); text-decoration-thickness: 1px; text-underline-offset: .25em; }
  .page-head .article-intro { max-width: 36ch; margin: 0; color: var(--paper); font-size: clamp(1.25rem, 2.2vw, 1.875rem); font-weight: 600; line-height: 1.55; text-wrap: pretty; }

  /* 文章頁首（參考圖）：桌機頁首兩欄，左欄是麵包屑、標題、類型／日期、標籤、來源、摘要，頁首圖在右欄、貼齊內容區右緣，
     跨過全部文字列、在右欄垂直置中，依原圖比例完整顯示不裁切（文章圖是 16:9 插畫，拉成文字欄高度會裁掉左右內容）；窄螢幕維持單欄、圖在文字下方（inner.css／site.css 的既有規則）。
     site.css 的 issue 130 圖片兩欄是給一般頁首的，這裡用較高優先權改成明確放格。 */
  @media (min-width: 851px) {
    &:has(> .article-layout) > .page-head:has(> .page-image) { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); grid-template-rows: none; column-gap: 4rem; align-items: start; justify-items: stretch; }
    &:has(> .article-layout) > .page-head:has(> .page-image)::before, &:has(> .article-layout) > .page-head:has(> .page-image)::after { content: none; }
    &:has(> .article-layout) > .page-head:has(> .page-image) > :not(.page-image) { grid-column: 1; }
    &:has(> .article-layout) > .page-head:has(> .page-image) > .breadcrumb { justify-self: start; }
    &:has(> .article-layout) > .page-head:has(> .page-image) > .page-image { grid-column: 2; grid-row: 1 / span 7; align-self: center; width: 100%; height: auto; max-height: none; margin: 0; aspect-ratio: auto; }
  }

  /* ---------- 文章頁：三欄版面（目錄軌｜閱讀欄｜右側欄；issue 413 方案 A），目錄左緣＝頁首內容左緣、側欄右緣＝頁首內容右緣 ---------- */
  .article-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; width: min(var(--max), 100% - var(--gutter) * 2); margin-top: clamp(2.5rem, 6vw, 5rem); }
  .article-reading { grid-column: 1; grid-row: 2; max-width: 44rem; margin-inline: auto; font-size: clamp(1.0625rem, 1.2vw, 1.1875rem); line-height: 1.95; counter-reset: as; }
  .article-reading .content-section { padding-block: 0; margin-block: 0 clamp(2rem, 4vw, 3rem); }
  .article-reading .article-section { scroll-margin-top: 6rem; }
  .article-reading .article-section > h2 { max-width: none; margin: 0 0 1rem; font-size: clamp(1.5rem, 2.6vw, 2.125rem); font-weight: 900; line-height: 1.25; letter-spacing: -.01em; }
  .article-reading .article-section > h2::before { counter-increment: as; content: counter(as, decimal-leading-zero); display: block; margin-bottom: .5rem; color: var(--action); font-family: "Inter Tight", var(--font-body); font-size: clamp(2.25rem, 4vw, 3.25rem); font-weight: 800; line-height: 1; }
  .article-reading .article-section > p { margin: 0; color: var(--ink); text-wrap: pretty; }
  .article-reading .article-section.is-first.has-dropcap > p::first-letter { float: left; margin: .06em .12em 0 0; color: var(--action); font-size: 3.7em; font-weight: 900; line-height: .85; }

  /* 一句話回答：導言大字＋引言符號 */
  .article-reading .answer-summary { position: relative; max-width: none; margin-bottom: clamp(2.5rem, 5vw, 4rem); padding: clamp(1.75rem, 3.6vw, 2.75rem) clamp(1.5rem, 3.6vw, 2.75rem) clamp(1.75rem, 3.6vw, 2.5rem); border: 0; border-radius: var(--r-card); background: var(--wash); }
  .article-reading .answer-summary::before { content: "\201C"; position: absolute; top: .25rem; left: clamp(1rem, 2.4vw, 1.75rem); color: var(--action); font-family: "Inter Tight", Georgia, serif; font-size: 5rem; font-weight: 900; line-height: 1; opacity: .35; }
  .article-reading .answer-summary > h2 { margin: 0 0 .75rem; padding-top: 2.25rem; color: var(--action); font-size: .75rem; font-weight: 700; line-height: 1.5; letter-spacing: .24em; text-transform: uppercase; }
  .article-reading .answer-summary > p { margin: 0; color: var(--ink); font-size: clamp(1.1875rem, 1.9vw, 1.5rem); font-weight: 700; line-height: 1.7; text-wrap: pretty; }

  /* issue 413：重點先看圖片。上／下方在卡片外、與閱讀欄同寬；卡片內左右側用格線與文字並排（圖約四成寬），窄螢幕圖在上、文字在下。 */
  .article-reading .answer-figure { margin: 0 0 clamp(1.5rem, 3vw, 2rem); font-size: .8125rem; line-height: 1.6; }
  .article-reading .answer-figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--radius-m); }
  .article-reading .answer-figure figcaption { margin-top: .5rem; color: var(--muted); }
  .article-reading .answer-summary:has(+ .answer-figure--below) { margin-bottom: 1.25rem; }
  .article-reading .answer-figure--below { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
  .article-reading .answer-summary.has-side { padding-top: 3.75rem; }
  .article-reading .answer-summary.has-side > h2 { padding-top: 0; }
  .article-reading .answer-summary.has-side > .answer-figure { margin: 0 0 1.25rem; }
  @media (min-width: 48rem) {
    .article-reading .answer-summary.has-side { display: grid; column-gap: clamp(1.25rem, 2.4vw, 1.75rem); align-items: center; }
    .article-reading .answer-summary.has-side.side-left { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); }
    .article-reading .answer-summary.has-side.side-right { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); }
    .article-reading .answer-summary.has-side > .answer-figure { grid-row: 1 / span 2; margin: 0; }
    .article-reading .answer-summary.has-side > h2 { grid-row: 1; align-self: end; }
    .article-reading .answer-summary.has-side > p { grid-row: 2; align-self: start; }
    .article-reading .answer-summary.has-side.side-left > :is(h2, p) { grid-column: 2; }
    .article-reading .answer-summary.has-side.side-left > .answer-figure { grid-column: 1; }
    .article-reading .answer-summary.has-side.side-right > :is(h2, p) { grid-column: 1; }
    .article-reading .answer-summary.has-side.side-right > .answer-figure { grid-column: 2; }
  }

  .article-reading .faq { padding-top: 1rem; }
  .article-reading .faq > h2 { max-width: none; margin-bottom: 1.25rem; font-size: clamp(1.375rem, 2.2vw, 1.75rem); font-weight: 900; line-height: 1.3; }
  .article-reading > p:last-child { margin-top: clamp(2rem, 4vw, 3rem); }

  /* 目錄軌：手機是一張卡；桌機黏在左欄，藍線隨閱讀進度長高，目前段落加粗。 */
  .article-toc { grid-column: 1; grid-row: 1; max-width: 44rem; width: 100%; margin: 0 auto clamp(2rem, 5vw, 3rem); padding: 1.25rem 1.5rem; border-radius: var(--r-card); background: var(--surface-sunken); font-size: .9375rem; line-height: 1.5; }
  .article-toc-title { margin: 0 0 .75rem; color: var(--action); font-size: .75rem; font-weight: 700; letter-spacing: .24em; }
  .article-toc ol { position: relative; margin: 0; padding: 0; list-style: none; counter-reset: tc; }
  .article-toc li { counter-increment: tc; }
  .article-toc a { position: relative; display: flex; gap: .75rem; align-items: baseline; min-height: 2.75rem; padding: .625rem 0 .625rem .875rem; color: var(--muted); text-decoration: none; transition: color .3s var(--ease); }
  .article-toc a::before { content: counter(tc, decimal-leading-zero); flex: none; font-family: "Inter Tight", var(--font-body); font-size: .75rem; font-weight: 700; letter-spacing: .08em; }
  /* issue 398：「常見問題」不屬於正文，不佔編號也不顯示編號；保留編號欄寬讓標題與上方各項對齊。 */
  .article-toc-extra { counter-increment: none; }
  .article-toc-extra a::before { visibility: hidden; }
  .article-toc a:is(:hover, :focus-visible) { color: var(--ink); }
  .article-toc a[aria-current="true"] { color: var(--ink); font-weight: 800; }
  .article-readtime { margin: .75rem 0 0; padding-top: .75rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .8125rem; font-weight: 600; }
  .article-readtime[hidden] { display: none; }
  /* 平板（64rem 起）：目錄在左、閱讀欄在右，側欄移到閱讀欄下方（右欄放不下 44rem 的閱讀寬度）；目錄左緣貼齊頁首內容左緣。 */
  @media (min-width: 64rem) {
    .article-layout:has(> .article-toc) { grid-template-columns: 12rem minmax(0, 1fr); column-gap: clamp(2rem, 4vw, 4rem); }
    .article-layout:has(> .article-toc) .article-reading { grid-column: 2; grid-row: 1; }
    .article-layout:has(> .article-toc) .article-sidebar { grid-column: 2; grid-row: 2; }
    .article-toc { grid-column: 1; grid-row: 1; align-self: start; justify-self: start; position: sticky; top: 6.5rem; max-width: 12rem; margin: 0; padding: 0; background: none; border-radius: 0; }
    .article-toc ol::before, .article-toc ol::after { content: ""; position: absolute; left: 0; top: 0; width: 2px; height: 100%; }
    .article-toc ol::before { background: var(--line); }
    .article-toc ol::after { background: var(--cta); transform-origin: top; transform: scaleY(var(--tp, 0)); }
    .article-toc a { padding-left: 1.25rem; }
    .article-toc a[aria-current="true"] { color: var(--action); }
  }
  /* 桌機（80rem 起）：目錄 12rem｜閱讀欄（最寬 44rem，置中）｜側欄 16rem。
     沒有目錄（段落不足兩段，或網站設定隱藏目錄，issue 416 方案 A）時只有閱讀欄與側欄：閱讀欄左緣貼齊頁首內容左緣、加寬到最多 60rem，
     側欄加寬到 20rem、間距 4rem，1440 寬時閱讀欄 912px 剛好補滿到側欄前，不留一大塊空白。 */
  @media (min-width: 80rem) {
    .article-layout { grid-template-columns: minmax(0, 1fr) 20rem; column-gap: 4rem; }
    .article-layout:has(> .article-toc) { grid-template-columns: 12rem minmax(0, 1fr) 16rem; column-gap: clamp(2rem, 3vw, 3rem); }
    .article-layout .article-reading { grid-column: 1; grid-row: 1; margin-inline: 0 auto; }
    .article-layout:not(:has(> .article-toc)) .article-reading { max-width: 60rem; }
    .article-layout:has(> .article-toc) .article-reading { grid-column: 2; grid-row: 1; margin-inline: auto; }
    .article-layout .article-sidebar { grid-column: 2; grid-row: 1; margin-top: 0; max-width: none; }
    .article-layout:has(> .article-toc) .article-sidebar { grid-column: 3; grid-row: 1; }
  }
  /* 側欄本身不黏、不自己捲動（矮螢幕會出現側欄卷軸，使用者 10-29 選 A）：側欄撐滿這一列的高度，
     相關卡與最新文章跟著頁面捲走，只有最後的預約諮詢卡黏在視窗上緣，讀到文章結尾都看得到。 */
  @media (min-width: 80rem) {
    .article-layout .article-sidebar { align-self: stretch; }
    .article-layout .article-sidebar .side-consult { position: sticky; top: 6.5rem; }
  }

  /* ---------- 右側欄（issue 413）：相關方案與產品、預約諮詢、最新文章 ---------- */
  .article-sidebar { grid-column: 1; grid-row: 3; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); gap: 1.25rem; align-content: start; min-width: 0; width: 100%; max-width: 44rem; margin: clamp(2.5rem, 5vw, 3.5rem) auto 0; font-size: .9375rem; line-height: 1.6; }
  .article-sidebar .side-block { min-width: 0; }
  .article-sidebar .side-title { margin: 0 0 .75rem; color: var(--action); font-size: .75rem; font-weight: 700; line-height: 1.5; letter-spacing: .2em; }
  .article-sidebar :is(.side-cards, .side-list) { margin: 0; padding: 0; list-style: none; }
  .article-sidebar :is(.side-cards, .side-list) > li { margin: 0; padding: 0; }
  .article-sidebar :is(.side-cards, .side-list) > li::before { display: none; }
  .article-sidebar .side-cards { display: grid; gap: .75rem; }
  .article-sidebar .side-card { display: grid; gap: .25rem; padding: 1rem 1.125rem; border: 1px solid var(--line); border-radius: var(--radius-l); background: var(--paper); color: var(--ink); text-decoration: none; transition: border-color .3s var(--ease); }
  .article-sidebar .side-card:is(:hover, :focus-visible) { border-color: var(--ink); }
  .article-sidebar .side-card:focus-visible { outline: 3px solid var(--action); outline-offset: 3px; }
  .article-sidebar .side-kind { color: var(--action); font-size: .75rem; font-weight: 700; letter-spacing: .12em; }
  .article-sidebar .side-card strong { font-size: 1rem; font-weight: 800; line-height: 1.45; }
  .article-sidebar .side-summary { display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--muted); font-size: .875rem; line-height: 1.6; }
  .article-sidebar .side-consult { align-self: start; display: grid; gap: .625rem; justify-items: start; padding: 1.5rem 1.375rem; border-radius: var(--radius-l); background: var(--deeper); color: var(--paper); }
  .article-sidebar .side-consult > h2 { margin: 0; color: var(--paper); font-size: 1.0625rem; font-weight: 800; line-height: 1.45; }
  .article-sidebar .side-consult > p { margin: 0; color: var(--muted-on-dark); font-size: .875rem; line-height: 1.65; }
  .article-sidebar .side-cta { display: inline-flex; align-items: center; gap: .5rem; min-height: 2.75rem; padding: .6875rem 1.125rem; border-radius: var(--r-pill); background: var(--cta); color: var(--on-accent); font-size: .875rem; font-weight: 800; text-decoration: none; transition: background .35s var(--ease); }
  .article-sidebar .side-cta:is(:hover, :focus-visible) { background: color-mix(in srgb, var(--cta) 86%, var(--paper)); }
  .article-sidebar .side-cta:focus-visible { outline: 3px solid var(--paper); outline-offset: 3px; }
  .article-sidebar .side-list > li { border-top: 1px solid var(--line); }
  .article-sidebar .side-list a { display: grid; gap: .125rem; min-height: 2.75rem; padding: .75rem 0; color: var(--ink); font-weight: 700; line-height: 1.5; text-decoration: none; }
  .article-sidebar .side-list a small { color: var(--muted); font-size: .75rem; font-weight: 500; }
  .article-sidebar .side-list a:is(:hover, :focus-visible) span { text-decoration: underline; text-underline-offset: .25em; }
  .article-sidebar .side-list a:focus-visible { outline: 3px solid var(--action); outline-offset: 2px; }
  .article-sidebar .side-note { margin: .5rem 0 0; color: var(--muted); font-size: .8125rem; }
  .article-sidebar .side-more { display: grid; margin-top: .5rem; }
  .article-sidebar .side-more a { display: inline-flex; align-items: center; min-height: 2.75rem; color: var(--action); font-size: .875rem; font-weight: 700; text-underline-offset: .25em; }

  /* ---------- 文章建議區（文章頁下方、服務／原廠／產品／情境頁尾端共用） ---------- */
  .article-suggestions { padding-block: var(--sec); }
  .article-suggestions > h2 { margin: 0 0 clamp(1.5rem, 3vw, 2.5rem); font-size: clamp(1.625rem, 3vw, 2.5rem); font-weight: 900; line-height: 1.2; letter-spacing: -.02em; }
  .article-teasers { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(1rem, 1.8vw, 1.5rem); margin: 0; padding: 0; list-style: none; counter-reset: none; }
  @media (min-width: 40rem) { .article-teasers { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (min-width: 64rem) { .article-teasers { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
  .article-teasers > li { position: relative; display: flex; flex-direction: column; min-width: 0; padding: 0 0 clamp(1.25rem, 2.2vw, 1.75rem); overflow: hidden; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--paper); transition: transform .6s var(--ease), border-color .4s var(--ease); }
  .article-teasers > li::before { display: none; }
  .article-teasers > li > :not(.article-teaser-cover) { margin-inline: clamp(1.25rem, 2.2vw, 1.75rem); }
  .article-teaser-cover { position: relative; flex: none; aspect-ratio: 16 / 8; margin-bottom: 1.25rem; overflow: hidden; background: var(--deep); }
  .article-teaser-cover > img, .article-teaser-cover > picture, .article-teaser-cover > picture > img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
  .article-teaser-cover .article-cover-date { font-size: clamp(2.5rem, 4.4vw, 3.75rem); }
  .article-teasers .article-teaser-meta { margin-block: 0 .625rem; color: var(--muted); font-size: .8125rem; font-weight: 600; letter-spacing: .06em; }
  .article-teasers h3 { margin-block: 0 .625rem; font-size: clamp(1.125rem, 1.6vw, 1.375rem); font-weight: 800; line-height: 1.4; text-wrap: balance; }
  .article-teasers h3 a { display: block; min-height: 0; padding: 0; color: var(--ink); text-decoration: none; }
  .article-teasers h3 a::after { content: ""; position: absolute; inset: 0; z-index: 2; }
  .article-teasers h3 a:focus-visible { outline: none; }
  .article-teasers > li:has(h3 a:focus-visible) { outline: 3px solid var(--action); outline-offset: 3px; }
  .article-teasers > li > p:last-of-type { margin-bottom: 0; color: var(--muted); font-size: .9375rem; line-height: 1.75; }
  .article-teasers > li:hover { border-color: var(--ink); }
  /* issue 189（B1）：同一列的卡片標題有一行也有兩行時，摘要的起點要對齊——卡片用 subgrid 共用列軌（封面、小標、標題、摘要、標籤各一列），
     標題列的高度取同列最高的那張。每個子項指定列號，少了小標或標籤的卡片也不會錯位。 */
  @media (min-width: 40rem) {
    .article-teasers > li { display: grid; grid-row: span 5; grid-template-rows: subgrid; row-gap: 0; align-content: start; }
    .article-teasers > li > .article-teaser-cover { grid-row: 1; }
    .article-teasers > li > .article-teaser-meta { grid-row: 2; }
    .article-teasers > li > h3 { grid-row: 3; }
    .article-teasers > li > h3 + p { grid-row: 4; }
    .article-teasers > li > .article-tags { grid-row: 5; align-self: start; }
  }
  .article-directory-links { margin-top: clamp(1.5rem, 3vw, 2.5rem); gap: .75rem; color: var(--muted); }
  .article-directory-links a { min-height: 2.75rem; padding: .5rem 1.25rem; border-radius: var(--r-pill); box-shadow: inset 0 0 0 1px var(--ink); color: var(--ink); font-weight: 700; text-decoration: none; transition: background .4s var(--ease), color .4s var(--ease); }
  .article-directory-links a:is(:hover, :focus-visible) { background: var(--ink); color: var(--paper); }

  /* ---------- 文章標籤（issue 185）：文章頁頁首、總覽卡片、建議區卡片共用的膠囊連結；整張卡是 stretched link（::after，z-index 2），標籤要疊在它上面才能獨立點擊與聚焦。 ---------- */
  .article-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0 0; padding: 0; list-style: none; }
  .article-tags li { margin: 0; padding: 0; }
  .article-tags li::before { display: none; }
  .article-tags a { position: relative; z-index: 3; display: inline-flex; align-items: center; min-height: 2rem; padding: .25rem .875rem; border-radius: var(--r-pill); background: var(--chip-bg); color: var(--tag-text); font-size: .8125rem; font-weight: 700; letter-spacing: .02em; line-height: 1.3; text-decoration: none; transition: background .3s var(--ease), color .3s var(--ease); }
  .article-tags a:is(:hover, :focus-visible) { background: var(--ink); color: var(--paper); }
  .article-tags a:focus-visible { outline: 3px solid var(--action); outline-offset: 3px; }
  .article-result-body .article-tags, .article-teasers > li > .article-tags { margin-top: 1rem; }
  .article-teasers > li > .article-tags { margin-bottom: 0; }
  .page-head .article-tags { margin: 0 0 1rem; order: 4; }
  .page-head .article-tags a { background: transparent; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--soft) 45%, transparent); color: var(--soft); }
  .page-head .article-tags a:is(:hover, :focus-visible) { background: var(--soft); color: var(--deep); }
  .page-head .article-tags a:focus-visible { outline-color: var(--soft); }

  /* ---------- 總覽的標籤篩選列：「標籤：X」與「清除篩選」 ---------- */
  .article-active-tag { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; margin: 0 0 clamp(1.5rem, 3vw, 2.5rem); color: var(--muted); font-size: 1rem; }
  .article-active-tag strong { padding: .25rem .875rem; border-radius: var(--r-pill); background: var(--ink); color: var(--paper); font-weight: 700; overflow-wrap: anywhere; }
  .article-active-tag a { display: inline-flex; align-items: center; min-height: 2.75rem; padding: .5rem 1.25rem; border-radius: var(--r-pill); box-shadow: inset 0 0 0 1px var(--ink); color: var(--ink); font-weight: 700; text-decoration: none; }
  .article-active-tag a:is(:hover, :focus-visible) { background: var(--ink); color: var(--paper); }

  /* 動態：只在允許時播放（減少動態或暫停動態時完全靜態）。 */
  @media (prefers-reduced-motion: no-preference) {
    /* issue 189（B3）：卡片不上浮（下緣會閃爍），只加陰影；位移在內層的封面同心圓。 */
    html:not([data-motion="off"]) & .article-results .article-result:hover, html:not([data-motion="off"]) & .article-teasers > li:hover { box-shadow: var(--elevation-raised); }
    html:not([data-motion="off"]) & :is(.article-result, .article-teasers > li):hover .article-cover-rings { transform: scale(1.12) translate(-4%, -4%); }
    html:not([data-motion="off"]) & .article-toc ol::after { transition: transform .25s linear; }
  }
}

/* issue 397：人工撰寫文章的段落圖片（多張、三種擺法、可點擊放大）。放大檢視沿用實機畫面的原生 dialog（shot-zoom.js），
 * 文章頁不載入 catalog-blocks.css，所以放大檢視需要的少數規則在這裡備一份（類別名稱相同，shot-zoom.js 依它找 dialog）。
 * 窄螢幕（320px 起）一律上下排、與內文同寬；並排與文字旁只在夠寬時啟用。顏色與尺度只引用 design-tokens.css 的變數。
 */
html.pp-shot-locked { overflow: hidden; }
#main.inner-main {
  .article-figures { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; margin: 1.5rem 0 0; font-size: .875rem; line-height: 1.7; }
  .article-figure { min-width: 0; margin: 0; }
  .article-figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--radius-m); }
  .article-figure .pp-shot-zoom { position: relative; display: block; border-radius: var(--radius-m); cursor: zoom-in; }
  .article-figure .pp-shot-zoom::after { content: "+"; position: absolute; right: .625rem; bottom: .625rem; display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 50%; background: var(--deeper); color: var(--paper); font-size: 1.25rem; font-weight: 700; line-height: 1; }
  .article-figure .pp-shot-zoom:focus-visible { outline: 3px solid var(--accent-ink); outline-offset: 3px; }
  .article-figure figcaption { display: grid; gap: .125rem; margin-top: .625rem; color: var(--muted); }
  .article-figure figcaption strong { color: var(--ink); }

  /* issue 413：尺寸（size-*，view 已套用「並排一律滿版、文字旁的滿版改中」）。窄螢幕（48rem 以下）一律上下排、與內文同寬；
     段落上方／下方的圖置中，文字旁（left／beside）的圖浮動在文字左／右，文字繞圖。 */
  .article-reading .article-section { display: flow-root; }
  .article-section--above > .article-figures, .article-section--left > .article-figures, .article-section--beside > .article-figures { margin: 0 0 1.25rem; }
  @media (min-width: 48rem) {
    .article-figures.size-small { width: 40%; margin-inline: auto; }
    .article-figures.size-medium { width: 66%; margin-inline: auto; }
    .article-section--left > .article-figures, .article-section--beside > .article-figures { margin-top: .35rem; margin-bottom: 1rem; }
    .article-section--left > .article-figures.size-small, .article-section--beside > .article-figures.size-small { width: 36%; }
    .article-section--left > .article-figures.size-medium, .article-section--beside > .article-figures.size-medium { width: 50%; }
    .article-section--left > .article-figures { float: left; margin-right: 2rem; margin-left: 0; }
    .article-section--beside > .article-figures { float: right; margin-left: 2rem; margin-right: 0; }
  }

  /* 並排對照：夠寬時一列兩張（超過兩張自動換列）；窄螢幕維持上下排。 */
  .article-figures--pair { grid-template-columns: minmax(0, 1fr); }
  @media (min-width: 36rem) {
    .article-figures--pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }

  /* 放大檢視（與 catalog-blocks.css 的實機畫面放大同一組外觀）。 */
  .pp-shot-dialog { width: min(96vw, 90rem); max-width: none; max-height: 94vh; padding: 3.5rem .75rem .75rem; border: 0; border-radius: var(--radius-l); background: var(--deeper); }
  .pp-shot-dialog::backdrop { background: color-mix(in srgb, var(--deeper) 86%, transparent); }
  .pp-shot-dialog img { display: block; max-width: 100%; max-height: calc(94vh - 4.5rem); margin-inline: auto; }
  .pp-shot-pan { max-height: calc(94vh - 4.5rem); }
  @media (max-width: 47.99rem) {
    .pp-shot-pan { overflow: auto; overscroll-behavior: contain; }
    .pp-shot-pan img { width: 56rem; max-width: none; max-height: none; margin-inline: 0; }
  }
  .pp-shot-close { position: absolute; top: .625rem; right: .625rem; min-height: 2.75rem; padding-inline: 1.125rem; border: 1px solid var(--on-dark-line); border-radius: var(--r-pill); background: transparent; color: var(--paper); font: inherit; font-weight: 700; cursor: pointer; }
  .pp-shot-close:focus-visible { outline: 3px solid var(--paper); outline-offset: 2px; }

  /* ---------- issue 429：資安洞察中心「發布量」（長條＋可展開的 6 週月曆）與 ?date= 篩選標題 ----------
     預設是淺底配色；首篇大卡上移到頁首區的版面（64rem 起、有大頭條）整列落在深底，下面再覆寫成深底配色。
     月曆面板永遠是 --navy 深底。長條高度由 data-h 級距決定（不用 inline style）。 */
  .article-toolbar { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; margin: 0 0 clamp(1.5rem, 3vw, 2.5rem); }
  .article-toolbar > .article-topic-filter { margin: 0; }
  .insights-pulse { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.25rem; margin-inline-start: auto; }
  .insights-pulse-stats { display: flex; flex-wrap: wrap; align-items: baseline; gap: .25rem 1rem; margin: 0; color: var(--muted); font-size: .875rem; }
  .insights-pulse-label { color: var(--ink); font-weight: 700; }
  .insights-pulse-stats b { color: var(--ink); font: 800 1.125rem "Inter Tight", var(--font-body); font-variant-numeric: tabular-nums; }
  .insights-pulse-stat.is-today b { box-shadow: inset 0 -.3em 0 var(--cta); }
  .insights-pulse-grid { display: flex; align-items: flex-end; gap: 2px; height: 2.25rem; padding: 0 .25rem; }
  .insights-bar { display: block; width: .4rem; height: var(--h, 6%); border-radius: 2px 2px 0 0; background: var(--pulse-lv2); }
  .insights-bar[data-h="0"] { --h: 6%; background: var(--line); }
  .insights-bar[data-h="1"] { --h: 12%; }
  .insights-bar[data-h="2"] { --h: 21%; }
  .insights-bar[data-h="3"] { --h: 30%; }
  .insights-bar[data-h="4"] { --h: 39%; }
  .insights-bar[data-h="5"] { --h: 48%; }
  .insights-bar[data-h="6"] { --h: 57%; }
  .insights-bar[data-h="7"] { --h: 66%; }
  .insights-bar[data-h="8"] { --h: 75%; }
  .insights-bar[data-h="9"] { --h: 87%; }
  .insights-bar[data-h="10"] { --h: 100%; }
  .insights-bar.is-today { background: var(--cta); box-shadow: 0 0 0 1px var(--ink); }
  .insights-bar[aria-current="date"] { background: var(--ink); }
  .insights-bar:focus-visible { outline: 3px solid var(--action); outline-offset: 2px; }
  @media (prefers-reduced-motion: no-preference) {
    html:not([data-motion="off"]) .insights-bar { transition: transform .12s var(--ease); }
    html:not([data-motion="off"]) .insights-bar[href]:hover { transform: scaleY(1.08); transform-origin: bottom; }
  }
  .insights-pulse-row { display: none; }
  /* 圖例：長條中的橘色是「今天」，不是已選取（使用者 2026-11-03）；收起長條時一併隱藏。 */
  .insights-pulse-legend { display: inline-flex; align-items: center; gap: .35rem; margin-inline-start: -.5rem; color: var(--muted); font-size: .75rem; }
  .insights-pulse-legend i { display: inline-block; width: .5rem; height: .75rem; border-radius: 2px 2px 0 0; background: var(--cta); }

  /* 展開月曆：原生 <details>。沒有 JS 也能開合；翻頁連結 ?calto= 讓伺服端直接展開。 */
  .insights-pulse-toggle { display: inline-flex; align-items: center; min-height: 2.5rem; padding: .3rem 1.1rem; border-radius: var(--r-pill); box-shadow: inset 0 0 0 1px var(--button-outline-line); color: var(--ink); font: 600 .875rem var(--font-body); list-style: none; cursor: pointer; }
  .insights-pulse-toggle::-webkit-details-marker { display: none; }
  .insights-pulse-toggle:is(:hover, :focus-visible) { box-shadow: inset 0 0 0 1px var(--ink); }
  .insights-pulse-toggle:focus-visible { outline: 3px solid var(--action); outline-offset: 2px; }
  .insights-toggle-close, .insights-cal-wrap[open] .insights-toggle-open { display: none; }
  .insights-cal-wrap[open] .insights-toggle-close { display: inline; }
  .insights-cal { display: grid; align-content: start; gap: .6rem; box-sizing: border-box; width: min(26rem, 100%); padding: 1rem 1rem .85rem; border: 1px solid var(--on-dark-line); border-radius: var(--r-card); background: var(--navy); color: var(--paper); box-shadow: var(--elevation-raised); }
  .insights-cal-wrap[open] > .insights-cal { position: absolute; z-index: 20; right: 0; top: calc(100% + .5rem); }
  .insights-cal-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
  .insights-cal-head h2 { margin: 0; color: var(--paper); font-size: 1rem; font-weight: 700; }
  .insights-cal-head small { margin-left: .5rem; color: var(--muted-on-dark); font: 500 .875rem "Inter Tight", var(--font-body); }
  .insights-cal-nav { display: flex; gap: .375rem; }
  .insights-cal-nav :is(a, .is-off) { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--on-dark-line); color: var(--paper); font: 700 1.125rem "Inter Tight", var(--font-body); text-decoration: none; }
  .insights-cal-nav a:is(:hover, :focus-visible) { box-shadow: inset 0 0 0 1px var(--soft); }
  .insights-cal-nav .is-off { opacity: .35; }
  .insights-cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: .3rem; }
  .insights-cal-dow { color: var(--muted-on-dark); font: 600 .75rem "Inter Tight", var(--font-body); text-align: center; }
  .insights-cal-grid .insights-cal-day { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; aspect-ratio: 1; border: 1px solid transparent; border-radius: .45rem; background: color-mix(in srgb, var(--paper) 6%, transparent); color: var(--muted-on-dark); font: 600 .8rem "Inter Tight", var(--font-body); text-decoration: none; }
  .insights-cal-grid .insights-cal-day b { font-size: .85rem; line-height: 1; }
  .insights-cal-grid .insights-cal-day small { font-size: .625rem; }
  .insights-cal-grid .insights-cal-day .mo { position: absolute; top: 3px; left: 5px; font-size: .5625rem; font-style: normal; }
  .insights-cal-day[data-lv="1"] { background: var(--pulse-lv1); color: var(--paper); }
  .insights-cal-day[data-lv="2"] { background: var(--pulse-lv2); color: var(--paper); }
  .insights-cal-day[data-lv="3"] { background: var(--pulse-lv3); color: var(--ink); }
  .insights-cal-day[data-lv="4"] { background: var(--pulse-lv4); color: var(--ink); }
  .insights-cal-day.is-future { opacity: .4; }
  .insights-cal-day.is-today { border-color: var(--cta); border-width: 2px; }
  .insights-today-tag { position: absolute; top: -.5rem; right: -.25rem; padding: 2px 4px; border-radius: 4px; background: var(--cta); color: var(--on-accent); font: 700 .625rem/1 var(--font-body); font-style: normal; }
  .insights-cal-day[aria-current="date"] { outline: 2px solid var(--paper); outline-offset: 1px; }
  .insights-cal-day:focus-visible { outline: 3px solid var(--cta); outline-offset: 2px; }
  .insights-cal-legend { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .25rem .5rem; color: var(--muted-on-dark); font-size: .75rem; }
  .insights-cal-legend i { display: inline-block; width: .75rem; height: .75rem; margin-left: 3px; border-radius: 3px; vertical-align: -1px; }
  .insights-cal-legend i[data-lv="1"] { background: var(--pulse-lv1); }
  .insights-cal-legend i[data-lv="2"] { background: var(--pulse-lv2); }
  .insights-cal-legend i[data-lv="3"] { background: var(--pulse-lv3); }
  .insights-cal-legend i[data-lv="4"] { background: var(--pulse-lv4); }

  /* 選定日期的標題列：「M 月 D 日的文章（n 篇）」＋清除連結 */

  .insights-selected { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem 1rem; margin: .75rem 0 1.75rem; }
  .insights-selected h2 { margin: 0; color: var(--ink); font-size: clamp(1.25rem, 2vw, 1.5rem); }
  .insights-selected-clear { display: inline-flex; align-items: center; gap: .35rem; min-height: 2.75rem; padding: .4rem 1.1rem; border-radius: var(--r-pill); box-shadow: inset 0 0 0 1px var(--button-outline-line); color: var(--ink); font-weight: 700; font-size: .9375rem; text-decoration: none; }
  .insights-selected-clear:is(:hover, :focus-visible) { box-shadow: inset 0 0 0 1px var(--ink); }
  .insights-selected-clear:focus-visible { outline: 3px solid var(--action); outline-offset: 2px; }

  /* 深底（首篇大卡上移的版面）：整列改深底配色。使用者 2026-11-03：與示意頁相同排成單列——主題篩選在左、發布量靠右；
     頁首與首篇大卡位置不變（不再上移、不強制兩列）。 */
  @media (min-width: 64rem) {
    /* 使用者 2026-11-03：視窗變窄時發布量被擠到下一列、白字落在白底。寬度不足時先收起長條（月曆仍有每日篇數）；
       萬一主題很多仍換行，工具列整列延伸深底（左右只延伸到視窗邊緣：工具列與內容欄同樣置中，calc(50% - 50vw)；html:has(.inner-main) 的 overflow-x: clip 再擋捲軸寬度的誤差）。 */
    /* z-index 讓整列（含展開的月曆浮動面板）疊在首篇大卡之上；只用 isolation 會把面板關在本列、被卡片蓋住（使用者 2026-11-03）。 */
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .article-toolbar:has(.insights-pulse) { isolation: isolate; z-index: 5; }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .article-toolbar:has(.insights-pulse)::before { content: ""; position: absolute; z-index: -1; inset: -1px calc(50% - 50vw) 0; background: var(--deeper); pointer-events: none; }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) :is(.insights-pulse-stats) { color: var(--muted-on-dark); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-pulse-legend { color: var(--muted-on-dark); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) :is(.insights-pulse-label, .insights-pulse-stats b) { color: var(--paper); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-pulse-stat.is-today b { color: var(--cta); box-shadow: none; }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-bar { background: var(--pulse-lv3); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-bar[data-h="0"] { background: var(--on-dark-line); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-bar.is-today { background: var(--cta); box-shadow: none; }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-bar[aria-current="date"] { background: var(--paper); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-bar:focus-visible { outline-color: var(--cta); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-pulse-toggle { box-shadow: inset 0 0 0 1px var(--on-dark-line); color: var(--paper); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-pulse-toggle:is(:hover, :focus-visible) { box-shadow: inset 0 0 0 1px var(--soft); }
    .article-directory:has(.article-results .is-lead):not(:has(.article-active-tag)) .insights-pulse-toggle:focus-visible { outline-color: var(--cta); }
  }

  @media (min-width: 64rem) and (max-width: 82rem) {
    .insights-pulse-grid, .insights-pulse-legend { display: none; }
  }

  /* 平板（53.75–64rem）：主題列在淺底（原有版面），發布量自成一整列——數字靠左、長條與「展開月曆」靠右，
     不再只佔半列懸在右側（使用者 2026-11-03）。 */
  @media (min-width: 53.76rem) and (max-width: 63.99rem) {
    .insights-pulse { width: 100%; margin-inline-start: 0; }
    .insights-pulse-stats { margin-inline-end: auto; }
  }

  /* 手機：主題篩選下一行放發布量數字，接著近 14 天日期卡橫條（捲到今天）與「展開月曆」；月曆原位展開、全寬。 */
  @media (max-width: 53.75rem) {
    .insights-pulse { width: 100%; margin-inline-start: 0; }
    .insights-pulse-grid, .insights-pulse-legend { display: none; }
    .insights-pulse-row { display: flex; gap: .4rem; width: 100%; padding: .25rem .1rem .5rem; overflow-x: auto; scroll-snap-type: x proximity; overscroll-behavior-x: contain; }
    .insights-pulse-row .insights-cal-day { flex: 0 0 3rem; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; height: 3.5rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--surface-sunken); color: var(--ink); font: 600 .8rem "Inter Tight", var(--font-body); text-decoration: none; scroll-snap-align: end; }
    .insights-pulse-row .insights-cal-day small { font-size: .6875rem; }
    .insights-pulse-row .insights-cal-day b { font-size: 1rem; line-height: 1; }
    .insights-pulse-row .insights-cal-day[data-lv="1"] { border-color: transparent; background: var(--pulse-lv1); color: var(--paper); }
    .insights-pulse-row .insights-cal-day[data-lv="2"] { border-color: transparent; background: var(--pulse-lv2); color: var(--paper); }
    .insights-pulse-row .insights-cal-day[data-lv="3"] { border-color: transparent; background: var(--pulse-lv3); color: var(--ink); }
    .insights-pulse-row .insights-cal-day[data-lv="4"] { border-color: transparent; background: var(--pulse-lv4); color: var(--ink); }
    .insights-pulse-row .insights-cal-day.is-today { border: 2px solid var(--cta); scroll-initial-target: nearest; }
    .insights-pulse-row .insights-cal-day[aria-current="date"] { outline: 2px solid var(--ink); outline-offset: 1px; }
    .insights-pulse-row .insights-cal-day:focus-visible { outline: 3px solid var(--action); outline-offset: 2px; }
    .insights-cal-wrap { width: 100%; }
    .insights-cal-wrap[open] > .insights-cal { position: static; width: 100%; margin-top: .75rem; box-shadow: none; }
  }
}

/* issue 413：側欄卡片與按鈕的過渡在減少動態（或暫停動態）時關掉。 */
@media (prefers-reduced-motion: reduce) {
  #main.inner-main .article-sidebar :is(.side-card, .side-cta) { transition: none; }
}
html[data-motion="off"] #main.inner-main .article-sidebar :is(.side-card, .side-cta) { transition: none; }