/* 法務頁（/privacy/、/terms/）共用樣式：沿用首頁「雪白」tokens、頁首與頁尾 */
:root {
  --bg: #F6F8FB;
  --surface: #FFFFFF;
  --ink: #16232F;
  --sub: #5D7285;
  --line: #E3E9F0;
  --brand: #1A66C7;
  --brand-ink: #FFFFFF;
  --brand-soft: color-mix(in srgb, var(--brand) 10%, var(--surface));
  --good: #1E8E54;
  --radius-s: 12px; --radius-m: 16px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101720;
    --surface: #18212C;
    --ink: #EDF3F9;
    --sub: #93A7B9;
    --line: #26313E;
    --brand: #3F8CE8;
    --brand-soft: color-mix(in srgb, var(--brand) 16%, var(--surface));
    --good: #3FBF7E;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #101720;
  --surface: #18212C;
  --ink: #EDF3F9;
  --sub: #93A7B9;
  --line: #26313E;
  --brand: #3F8CE8;
  --brand-soft: color-mix(in srgb, var(--brand) 16%, var(--surface));
  --good: #3FBF7E;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", -apple-system, "Segoe UI", Meiryo, sans-serif;
  line-height: 1.8; font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } }

/* ---- 頁首 ---- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar .in { display: flex; align-items: center; gap: 16px; padding: 12px 24px; max-width: 1080px; margin: 0 auto; }
@media (max-width: 600px) { .topbar .in { padding: 10px 16px; gap: 10px; } }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 16.5px; color: var(--ink); text-decoration: none; white-space: nowrap; }
.logo svg { width: 26px; height: 26px; border-radius: 7px; flex: none; }
.topbar nav { display: flex; gap: 2px; margin-left: auto; }
.topbar nav a { font-size: 13.5px; color: var(--sub); text-decoration: none; padding: 6px 10px; border-radius: 8px; font-weight: 600; white-space: nowrap; }
.topbar nav a:hover, .topbar nav a[aria-current="page"] { color: var(--ink); background: var(--brand-soft); }
.theme-btn {
  display: grid; place-items: center; width: 36px; height: 36px; flex: none;
  border: 1px solid var(--line); border-radius: var(--radius-s);
  background: var(--surface); color: var(--sub); cursor: pointer; padding: 0;
}
.theme-btn:hover { color: var(--ink); }
.theme-btn svg { width: 20px; height: 20px; fill: currentColor; }
.theme-btn .i-sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-btn .i-sun { display: block; }
  :root:not([data-theme="light"]) .theme-btn .i-moon { display: none; }
}
:root[data-theme="dark"] .theme-btn .i-sun { display: block; }
:root[data-theme="dark"] .theme-btn .i-moon { display: none; }
:root[data-theme="light"] .theme-btn .i-sun { display: none; }
:root[data-theme="light"] .theme-btn .i-moon { display: block; }

/* ---- 內文：左目錄＋右文章 ---- */
.doc { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 48px; padding-top: 48px; padding-bottom: 24px; }
.doc aside nav { position: sticky; top: 88px; display: grid; gap: 2px; font-size: 13.5px; }
.doc aside a { color: var(--sub); text-decoration: none; padding: 4px 0; }
.doc aside a:hover { color: var(--brand); }
.toc-title { font-size: 12px; letter-spacing: .12em; font-weight: 700; color: var(--ink); padding-bottom: 4px; }
@media (max-width: 860px) {
  .doc { grid-template-columns: 1fr; gap: 0; padding-top: 32px; }
  .doc aside { display: none; }
}
article { max-width: 46em; }
article h1 { font-size: clamp(26px, 5vw, 34px); font-weight: 900; line-height: 1.3; margin: 0; }
article h2 { font-size: 19px; font-weight: 800; line-height: 1.4; margin: 40px 0 10px; }
article h3 { font-size: 16px; font-weight: 800; margin: 22px 0 6px; }
article p { margin: 0 0 12px; }
article ul, article ol { margin: 0 0 12px; padding-left: 1.3em; }
article li { margin-bottom: 6px; }
article li::marker { color: var(--sub); }
.updated { color: var(--sub); font-size: 13.5px; margin-top: 8px !important; }
.summary {
  display: grid; gap: 8px; margin: 24px 0 8px; padding: 18px 20px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m);
}
.summary strong { font-size: 14px; }
.summary span { display: flex; gap: 10px; align-items: flex-start; }
.summary svg { width: 18px; height: 18px; flex: none; margin-top: 4px; fill: none; stroke: var(--good); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.lang-split { margin: 64px 0 0; padding-top: 40px; border-top: 1px solid var(--line); }
.table-wrap { overflow-x: auto; margin: 0 0 12px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--sub); font-weight: 700; white-space: nowrap; }

/* ---- 頁尾 ---- */
footer { border-top: 1px solid var(--line); padding: 28px 0 36px; margin-top: 56px; font-size: 13px; color: var(--sub); }
footer .wrap { display: flex; gap: 8px 20px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--sub); text-decoration: none; }
footer a:hover { color: var(--brand); }
footer .copy { margin-right: auto; }