/* 色彩與規則對齊產品的 DESIGN.md（方向 B・健康檢查報告）：
   單一墨綠品牌色、冷灰檯面上的白色直角報告單、不加陰影；琥珀／藍只用在 H／L 旗標。
   產品沒有深色模式，官網也固定為淺色。 */
:root {
  --report-teal: #0f766e;
  --report-teal-deep: #0b5a54;
  --teal-tint: #e6f4f1;
  --teal-band: #cdebe5;
  --ink: #1f2933;
  --ink-muted: #52606d;
  --ink-absent: #616e7c;
  --rule-strong: #9aa5b1;
  --rule: #cbd2d9;
  --hairline: #e4e7eb;
  --bench: #eef1f3;
  --sheet: #ffffff;
  --sheet-foot: #f7faf9;
  --flag-h-bg: #fef3c7;
  --flag-h-ink: #92400e;
  --flag-l-bg: #e0f2fe;
  --flag-l-ink: #075985;
  --on-teal: #ffffff;
  --max: 1080px;
  color-scheme: light;
  --font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bench);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.7;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--teal-band); color: var(--ink); }
a { color: var(--report-teal); text-underline-offset: 3px; }
a:hover { color: var(--report-teal-deep); }
:focus-visible { outline: 2px solid var(--report-teal); outline-offset: 2px; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--sheet);
  border-bottom: 1px solid var(--rule);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--report-teal);
  text-decoration: none;
}
.brand:hover { color: var(--report-teal); }
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
}
.nav a { color: var(--ink-muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav .lang {
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 2px 12px;
  color: var(--ink);
}

/* Hero */
.hero { padding: 72px 0 64px; }
.hero .wrap {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  border-top: 2px solid var(--ink);
  padding-top: 8px;
  margin-bottom: 16px;
}
h1 {
  text-wrap: balance;
  font-size: clamp(30px, 4.2vw, 40px);
  line-height: 1.3;
  margin: 0 0 16px;
}
.lead {
  font-size: 17px;
  color: var(--ink-muted);
  margin: 0 0 28px;
  max-width: 34em;
}
.btn {
  display: inline-flex;
  align-items: center;
  height: 44px;
  background: var(--report-teal);
  color: var(--on-teal);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  padding: 0 22px;
  border-radius: 4px;
  border: 1px solid var(--report-teal);
}
.btn:hover { background: var(--report-teal-deep); border-color: var(--report-teal-deep); color: var(--on-teal); }
.btn.ghost {
  background: var(--sheet);
  color: var(--ink);
  border-color: var(--rule-strong);
  margin-left: 8px;
}
.btn.ghost:hover { border-color: var(--ink); color: var(--ink); }

/* Hero 趨勢示意圖：依 DESIGN.md 的 Trend Chart，墨灰為本次、墨綠為基準，線名直接標在圖上。 */
.trend {
  margin: 0;
  background: var(--sheet);
  border: 1px solid var(--rule);
  padding: 20px 20px 14px;
}
.trend .label { font-size: 13px; color: var(--ink-muted); margin-bottom: 8px; }
.trend svg { width: 100%; height: auto; display: block; }
.trend .grid line { stroke: var(--hairline); }
.trend .grid .baseline { stroke: var(--rule-strong); }
.trend .curve { stroke: var(--ink); }
.trend .base { stroke: var(--report-teal); stroke-dasharray: 5 4; }
.trend .node { fill: var(--sheet); stroke: var(--ink); stroke-width: 2; }
.trend .axis { fill: var(--ink-muted); font-size: 12px; }
.trend .tag { font-size: 12px; font-weight: 500; paint-order: stroke; stroke: var(--sheet); stroke-width: 3px; stroke-linejoin: round; }
.trend .tag.post { fill: var(--ink); }
.trend .tag.base { fill: var(--report-teal); }
.legend { font-size: 13px; color: var(--ink-muted); margin-top: 6px; }
.legend i.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 6px;
}

/* 資料原則段的示意報告單：結構與產品的 sheet／table／flag 一致，數據為虛構示意。 */
.report {
  margin: 0;
  background: var(--sheet);
  border: 1px solid var(--rule);
  padding: 22px 24px 20px;
}
.report-head {
  border-bottom: 2px solid var(--ink);
  padding-bottom: 10px;
}
.report-head .title { font-size: 18px; font-weight: 700; line-height: 1.4; }
.report-head .sub { font-size: 13px; color: var(--ink-muted); line-height: 1.5; margin-top: 2px; }
.report table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.5;
}
.report th {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  text-align: right;
  padding: 10px 8px 8px;
  border-bottom: 1px solid var(--rule-strong);
  white-space: nowrap;
}
.report td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--hairline);
  text-align: right;
  vertical-align: top;
}
.report th:first-child, .report td:first-child { text-align: left; padding-left: 0; }
.report th:last-child, .report td:last-child { text-align: left; padding-right: 0; }
.report td:first-child { white-space: nowrap; }
.report td.val { font-weight: 700; }
.report .na { color: var(--ink-absent); font-weight: 400; }
.report .reason { color: var(--ink-absent); font-size: 13px; }
.flag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
  padding: 1px 6px;
  border-radius: 2px;
  margin-right: 6px;
}
.flag.h { background: var(--flag-h-bg); color: var(--flag-h-ink); }
.flag.l { background: var(--flag-l-bg); color: var(--flag-l-ink); }
.report figcaption {
  border-top: 1px dashed var(--rule-strong);
  margin-top: 14px;
  padding-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* 「你會拿到什麼」：每份交付物上方是縮小的報告單（沿用 .report），下方寫給誰、何時、內容。 */
.deliverables { align-items: start; }
/* 三張縮小報告單的列數不同；用 subgrid 讓它們同高，下方標題才會對齊。 */
@supports (grid-template-rows: subgrid) {
  .grid-3.deliverables { grid-template-rows: auto auto; row-gap: 0; }
  .deliv { display: grid; grid-row: span 2; grid-template-rows: subgrid; }
  .deliv .report.mini { align-self: stretch; }
}
.deliv .report.mini { padding: 14px 14px 10px; margin-bottom: 16px; }
.report.mini .report-head { padding-bottom: 6px; }
.report.mini .report-head .title { font-size: 14px; }
.report.mini .report-head .sub { font-size: 12px; }
.report.mini table { font-size: 13px; }
.report.mini th { font-size: 12px; padding: 6px 4px 4px; }
.report.mini td { padding: 6px 4px; white-space: nowrap; }
.report.mini .reason { font-size: 12px; }
.report.mini .flag { margin-right: 4px; }
.deliv .num { font-size: 13px; font-weight: 700; color: var(--report-teal); display: block; margin-bottom: 4px; }
.deliv h3 { font-size: 18px; margin: 0 0 8px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.deliv .state { font-size: 12px; font-weight: 500; padding: 0 6px; border-radius: 2px; border: 1px solid var(--report-teal); color: var(--report-teal); }
.deliv .state.planned { border-color: var(--rule-strong); color: var(--ink-muted); }
.deliv dl { margin: 0; border-top: 2px solid var(--ink); font-size: 14px; line-height: 1.6; }
.deliv dl div { display: grid; grid-template-columns: 5.5em 1fr; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--hairline); }
.deliv dt { color: var(--ink-muted); }
.deliv dd { margin: 0; }
:lang(en) .deliv dl div { grid-template-columns: 5em 1fr; }

/* 合作貼文生命週期示範（assets/demo.js 產生內容）。沿用報告單的白底直角、細線與 H／L 旗標。 */
.demo {
  background: var(--sheet);
  border: 1px solid var(--rule);
  padding: 20px 24px 16px;
  min-height: 520px;
}
.demo-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.demo-tab {
  font: inherit;
  font-size: 14px;
  padding: 6px 14px;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: var(--sheet);
  color: var(--ink-muted);
  cursor: pointer;
}
.demo-tab:hover { border-color: var(--ink); color: var(--ink); }
.demo-tab[aria-pressed="true"] { border-color: var(--report-teal); background: var(--teal-tint); color: var(--ink); font-weight: 500; }
.demo-tag { margin-left: 8px; font-size: 12px; font-weight: 500; padding: 0 6px; border: 1px solid var(--rule-strong); border-radius: 2px; color: var(--ink-muted); }
.demo-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 14px;
}
.demo-rail { display: flex; flex-wrap: wrap; gap: 6px 20px; list-style: none; margin: 0; padding: 0; font-size: 14px; color: var(--ink-absent); }
.demo-rail li { display: flex; align-items: center; gap: 8px; }
.demo-rail-num {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}
.demo-rail li.is-done { color: var(--ink); }
.demo-rail li.is-done .demo-rail-num { border-color: var(--report-teal); color: var(--report-teal); }
.demo-rail li.is-on { color: var(--ink); font-weight: 700; }
.demo-rail li.is-on .demo-rail-num { background: var(--report-teal); border-color: var(--report-teal); color: var(--on-teal); }
.demo-controls { display: flex; gap: 8px; }
.demo-controls .btn { height: 36px; padding: 0 16px; font-size: 14px; font-family: inherit; cursor: pointer; margin: 0; }
.demo-controls .btn[hidden] { display: none; }
.demo-status { display: flex; gap: 14px; align-items: baseline; padding: 12px 0 16px; font-size: 14px; color: var(--ink-muted); min-height: 4.6em; }
.demo-day { flex: none; font-weight: 700; color: var(--report-teal); white-space: nowrap; }
.demo-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 16px; }
.demo-col { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.demo-panel { border: 1px solid var(--hairline); padding: 12px 14px; font-size: 14px; line-height: 1.6; }
.demo-panel[hidden] { display: none; }
.demo-ph { font-size: 13px; font-weight: 500; color: var(--ink-muted); margin-bottom: 8px; }
.demo-panel dl { margin: 0; }
.demo-panel dl div { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; border-bottom: 1px solid var(--hairline); }
.demo-panel dt { color: var(--ink-muted); }
.demo-panel dd { margin: 0; text-align: right; font-weight: 500; }
.demo-url { min-height: 1.6em; padding: 4px 8px; background: var(--bench); font-size: 13px; word-break: break-all; margin-bottom: 6px; }
.demo-parsing, .demo-shot-state { font-size: 13px; color: var(--ink-muted); }
.demo-delivered { margin-top: 8px; font-size: 13px; font-weight: 700; color: var(--report-teal); }
.demo-shot { border-color: var(--report-teal); background: var(--sheet-foot); }
.demo-file { font-size: 13px; padding: 4px 8px; border: 1px dashed var(--rule-strong); margin-bottom: 8px; }
.demo-shot dl div.is-prefill dd { background: var(--teal-tint); padding: 0 6px; }
.demo-shot dl div.is-checked dd::after { content: " ✓"; color: var(--report-teal); }
.demo-shot-state { margin-top: 8px; font-weight: 500; color: var(--report-teal); }
.demo-log ul { list-style: none; margin: 0; padding: 0; max-height: 168px; overflow-y: auto; font-size: 13px; }
.demo-log li { padding: 3px 0; border-bottom: 1px solid var(--hairline); }
.demo-log li.is-note { color: var(--flag-l-ink); }
.demo-log li.is-na { color: var(--ink-absent); }
.demo-log li.is-saved { color: var(--report-teal); font-weight: 500; }
.demo-legend { display: flex; gap: 16px; font-size: 12px; color: var(--ink-muted); margin: -4px 0 4px; }
.demo-legend span::before { content: ""; display: inline-block; width: 18px; vertical-align: middle; margin-right: 6px; border-top: 2px solid var(--ink); }
.demo-legend .is-base::before { border-top: 2px dashed var(--report-teal); }
.demo-chart svg { width: 100%; height: auto; display: block; }
.demo-chart .grid { stroke: var(--hairline); }
.demo-chart .grid.zero { stroke: var(--rule-strong); }
.demo-chart .axis { fill: var(--ink-muted); font-size: 11px; }
.demo-chart .curve { stroke: var(--ink); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.demo-chart .base { stroke: var(--report-teal); stroke-width: 2; stroke-dasharray: 5 4; }
.demo-chart .node { fill: var(--sheet); stroke: var(--ink); stroke-width: 2; }
.demo-panel table { width: 100%; border-collapse: collapse; font-size: 13px; }
.demo-panel th { font-weight: 500; color: var(--ink-muted); text-align: right; padding: 4px 6px 6px; border-bottom: 1px solid var(--rule-strong); white-space: nowrap; }
.demo-panel td { text-align: right; padding: 6px; border-bottom: 1px solid var(--hairline); white-space: nowrap; }
.demo-panel th:first-child, .demo-panel td:first-child { text-align: left; padding-left: 0; }
.demo-panel th:last-child, .demo-panel td:last-child { text-align: left; padding-right: 0; }
.demo-panel td.val { font-weight: 700; }
.demo-panel td.wait { color: var(--ink-absent); text-align: left; }
.demo-panel td.na, .demo-panel td.reason { color: var(--ink-absent); }
.demo-panel td.reason { text-align: left; white-space: normal; }
.demo-posts tr.is-pick td:first-child { font-weight: 700; }
.demo-basis { margin-top: 8px; font-size: 13px; font-weight: 500; color: var(--report-teal); min-height: 1.6em; }
.demo-quote { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; color: var(--ink-muted); }
.demo-quote .demo-input { flex: 0 0 9em; margin: 0; text-align: right; color: var(--ink); font-weight: 500; }
.demo-ref { margin: 8px 0 0; font-size: 13px; color: var(--ink-muted); }
.demo-panel dt { flex: none; white-space: nowrap; }
.demo-scope dl div { display: grid; grid-template-columns: auto 1fr; gap: 12px; }
.demo-scope dd { text-align: left; }
.demo-panel dl div.is-na dd { color: var(--ink-absent); font-weight: 400; }
.demo-alert p { margin: 0; }
.demo-alert-hint { margin-top: 6px !important; font-size: 13px; color: var(--ink-muted); }
.demo-chart .mark { stroke: var(--report-teal); stroke-width: 2; }
.demo-chart .node.alert { fill: var(--ink); }
.demo-legend .is-mark::before { width: 0; height: 10px; border-top: 0; border-left: 2px solid var(--report-teal); }
.demo-summary[hidden] { display: none; }
.demo-summary .btn { height: 36px; padding: 0 14px; font-size: 14px; font-family: inherit; cursor: pointer; margin: 10px 0 0; }
.demo-boost ul { list-style: none; margin: 0; padding: 0; }
.demo-boost li { padding: 4px 0; border-bottom: 1px solid var(--hairline); }
.demo-boost li.is-na { color: var(--ink-absent); border-bottom: 0; }
.demo-close { margin-top: 16px; border-top: 2px solid var(--ink); padding-top: 12px; }
.demo-close[hidden] { display: none; }
.demo-close-title { font-weight: 700; margin-bottom: 6px; }
.demo-close dl { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 16px; margin: 0; }
.demo-close dl div { padding: 4px 0; }
.demo-close dt { font-size: 13px; color: var(--ink-muted); }
.demo-close dd { margin: 0; font-weight: 700; }
.demo-close-acts { display: flex; gap: 8px; margin-top: 10px; }
.demo-fake-btn { font-size: 13px; border: 1px solid var(--rule-strong); border-radius: 4px; padding: 2px 12px; color: var(--ink-muted); }
.demo-note { margin: 12px 0 0; font-size: 13px; color: var(--ink-absent); }
/* 示範底部：說明文字＋這個情境的聯絡入口 */
.demo-foot { display: flex; justify-content: space-between; align-items: baseline; gap: 8px 24px; flex-wrap: wrap; margin-top: 12px; }
.demo-foot .demo-note { margin: 0; }
.demo-cta { font-size: 14px; font-weight: 500; }
/* 結案摘要的成本口徑切換 */
.demo-seg { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin: 4px 0 8px; font-size: 13px; }
.demo-seg-label { color: var(--ink-muted); margin-right: 4px; }
.demo-seg-btn { font: inherit; font-size: 13px; padding: 2px 10px; border: 1px solid var(--rule-strong); border-radius: 4px; background: var(--sheet); color: var(--ink-muted); cursor: pointer; }
.demo-seg-btn[aria-pressed="true"] { border-color: var(--report-teal); background: var(--teal-tint); color: var(--ink); font-weight: 500; }
.demo-close dl { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
/* 選人的報價輸入框 */
.demo-quote .demo-input { display: flex; align-items: center; gap: 2px; }
.demo-quote input { width: 100%; min-width: 0; border: 0; background: transparent; font: inherit; color: inherit; text-align: right; padding: 0; }
.demo-quote input:disabled { color: inherit; opacity: 1; }
.demo-quote input:not(:disabled) { border-bottom: 1px solid var(--report-teal); }
.demo-try { font-size: 12px; color: var(--report-teal); text-align: right; margin: -4px 0 6px; }
.demo-try[hidden] { display: none; }
/* 公平比較：圖和表左右各半 */
.demo-grid-wide { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: start; }
.demo-chart .node-line { stroke: var(--rule-strong); stroke-dasharray: 3 3; }
.demo-chart .tag { font-size: 12px; font-weight: 700; fill: var(--ink); paint-order: stroke; stroke: var(--sheet); stroke-width: 3px; }
/* 議題聲量：長條、活動期間底色 */
.demo-chart .band { fill: var(--teal-tint); }
.demo-chart .bar { fill: var(--rule-strong); }
.demo-chart .bar.alert { fill: var(--ink); }
.demo-legend .is-band::before { height: 10px; border-top: 0; background: var(--teal-tint); border: 1px solid var(--teal-band); }

@keyframes demo-in { from { background: var(--teal-band); } to { background: transparent; } }
.demo.is-playing .demo-log li:last-child,
.demo.is-playing tr.is-new td,
.demo.is-playing li.is-new { animation: demo-in 1.2s ease-out; }
@media (prefers-reduced-motion: reduce) {
  .demo.is-playing .demo-log li:last-child,
  .demo.is-playing tr.is-new td,
  .demo.is-playing li.is-new { animation: none; }
}

/* Sections */
section { padding: 72px 0; }
section.alt {
  background: var(--sheet);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
h2 {
  font-size: clamp(22px, 3vw, 28px);
  margin: 0 0 8px;
  line-height: 1.3;
}
.section-lead {
  color: var(--ink-muted);
  margin: 0 0 32px;
  max-width: 40em;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 32px;
}
.card {
  border-top: 2px solid var(--ink);
  padding: 14px 0 20px;
}
.card h3 {
  font-size: 18px;
  margin: 0 0 6px;
}
.card p { margin: 0; color: var(--ink-muted); font-size: 15px; }
.card .num {
  font-size: 13px;
  font-weight: 700;
  color: var(--report-teal);
  margin-bottom: 4px;
  display: block;
}

.principles-layout {
  display: grid;
  grid-template-columns: 1fr minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
.principles { list-style: none; padding: 0; margin: 0; border-top: 2px solid var(--ink); }
.principles li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--hairline);
}
.principles .icon {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  border: 1px solid var(--report-teal);
  color: var(--report-teal);
  display: grid;
  place-items: center;
  font-weight: 700;
}
.principles h3 { margin: 0 0 4px; font-size: 18px; }
.principles p { margin: 0; color: var(--ink-muted); }

.status {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}
.status li {
  flex: 1;
  padding: 14px 16px 0 0;
  border-top: 2px solid var(--hairline);
  font-size: 15px;
  color: var(--ink-absent);
}
.status li.done { border-top-color: var(--rule-strong); color: var(--ink); }
.status li.now { border-top: 3px solid var(--report-teal); color: var(--ink); }
.status li strong { display: block; margin-bottom: 4px; }
.status li span { color: var(--ink-muted); font-size: 14px; }
.status li em {
  display: block;
  font-style: normal;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 2px;
}
.status li.now em { color: var(--report-teal); }

.contact {
  text-align: center;
}
.contact .section-lead { margin-left: auto; margin-right: auto; }
.contact .email {
  display: inline-block;
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 700;
  margin-top: 16px;
  word-break: break-all;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 40px 0;
  font-size: 14px;
  color: var(--ink-muted);
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.site-footer dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 2px 16px; }
.site-footer dt { font-weight: 500; color: var(--ink); }
.site-footer dd { margin: 0; }
.site-footer nav { display: flex; gap: 16px; align-items: flex-start; }


/* W&W Cola Works — parent-brand attribution only; WaveScope retains its own identity. */
.site-footer .parent-brand-band {
  border-top: 1px solid var(--rule);
  margin-top: 24px;
  padding-top: 20px;
}
.parent-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-muted);
}
.parent-brand__mark { width: 58px; height: 28px; flex: none; }
.parent-brand__text { display: flex; flex-direction: column; gap: 1px; line-height: 1.5; }
.parent-brand__line { font-size: 13px; }
.parent-brand__line strong { color: var(--ink); font-weight: 700; }
.parent-brand__secondary { font-size: 12px; }

/* Legal pages */
.legal { padding: 56px 0 80px; }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: clamp(26px, 3.6vw, 32px); border-bottom: 2px solid var(--ink); padding-bottom: 12px; }
.legal h2 { font-size: 20px; margin-top: 40px; }
.legal .updated { color: var(--ink-muted); font-size: 14px; }
.legal table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 16px 0; background: var(--sheet); }
.legal th, .legal td { border: 1px solid var(--rule); padding: 8px 12px; text-align: left; vertical-align: top; }
.legal th { background: var(--sheet-foot); font-weight: 500; }

@media (max-width: 860px) {
  .hero { padding: 40px 0 40px; }
  .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .grid-3, .grid-2, .principles-layout { grid-template-columns: minmax(0, 1fr); }
  .principles-layout { gap: 32px; }
  .status { flex-direction: column; }
  .demo { padding: 16px; }
  .deliv + .deliv { margin-top: 32px; }
  /* 分頁在窄螢幕排成一列、橫向捲動；左右延伸到示範框的邊緣，露出半個分頁提示還能往右滑。 */
  .demo-tabs {
    position: relative;
    flex-wrap: nowrap;
    overflow-x: auto;
    margin: 0 -16px 16px;
    padding: 0 16px 2px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .demo-tabs::-webkit-scrollbar { display: none; }
  .demo-tab { flex: none; white-space: nowrap; }
  .demo-grid { grid-template-columns: minmax(0, 1fr); }
  .demo-close dl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-status { flex-direction: column; gap: 2px; min-height: 6.4em; }
  .status li { padding: 12px 0 12px 16px; border-top: 0; border-left: 2px solid var(--hairline); }
  .status li.done { border-left-color: var(--rule-strong); }
  .status li.now { border-top: 0; border-left: 2px solid var(--report-teal); }
  .nav a:not(.lang) { display: none; }
  section { padding: 56px 0; }
  .wrap { padding: 0 16px; }
  .btn.ghost { margin-left: 0; margin-top: 8px; }
}

@media (max-width: 480px) {
  .report { padding: 18px 16px 16px; }
  .report table { font-size: 13px; }
  .report th, .report td { padding-left: 4px; padding-right: 4px; }
  .report .col-base { display: none; }
  .report .flag-text { display: none; }
  .demo { padding: 14px 12px; }
  .demo-tabs { margin-left: -12px; margin-right: -12px; padding-left: 12px; padding-right: 12px; }
  .demo-panel { padding: 10px; }
  .demo-panel .flag-text { display: none; }
  .demo-panel th, .demo-panel td { padding-left: 3px; padding-right: 3px; }
  .demo-panel td:last-child { white-space: normal; }
}