/* 文章標題專用的宋體子集：補全站子集沒收的字，只在文章頁載入（由 內容產線/tools/blog_font_subset.py 產生） */
@font-face {
  font-family: "TY Serif TC Blog";
  src: url("../fonts/NotoSerifTC-900-blog-subset.woff2?v=e0433c3d") format("woff2");
  font-weight: 900;
  font-display: swap;
}
/* 招牌知識文章頁共用樣式（/blog/ 底下每篇都載入；顏色與字型 token 來自 style.css） */
.article { max-width: 760px; margin: 0 auto; padding: 40px 20px 72px; }
.article .crumb { font-size: .9rem; color: var(--ink-soft); margin-bottom: 18px; }
.article .crumb a { color: var(--brand-purple); }
.article h1 { font-family: "TY Serif TC", "TY Serif TC Blog", var(--serif); font-size: clamp(1.7rem, 4.6vw, 2.3rem); line-height: 1.35; text-wrap: balance; margin: 0 0 14px; border-left: 6px solid var(--brand-yellow); padding-left: 14px; }
.article .meta { color: var(--ink-soft); font-size: .92rem; margin-bottom: 28px; }
.article h2 { font-family: "TY Serif TC", "TY Serif TC Blog", var(--serif); font-size: 1.45rem; line-height: 1.4; margin: 44px 0 14px; color: var(--brand-purple-deep); }
.article h3 { font-size: 1.12rem; margin: 28px 0 10px; }
.article p, .article li { font-size: 1.05rem; line-height: 1.9; color: var(--ink); }
.article ul, .article ol { padding-left: 1.4em; margin: 10px 0 18px; }
.article li { margin-bottom: 6px; }
.article a { color: var(--brand-purple); text-underline-offset: 3px; }
.answer-box { background: var(--paper-warm); border: 1px solid var(--border); border-left: 6px solid var(--brand-purple); border-radius: var(--radius); padding: 18px 20px; margin: 0 0 8px; }
.answer-box p { margin: 0 0 8px; }
.answer-box p:last-child { margin-bottom: 0; }
.table-wrap { overflow-x: auto; margin: 14px 0 20px; }
.article table { width: 100%; border-collapse: collapse; min-width: 520px; background: #fff; }
.article th, .article td { text-align: left; padding: 11px 12px; border: 1px solid var(--border); font-size: .98rem; line-height: 1.6; vertical-align: top; }
.article th { background: var(--brand-purple-deep); color: #fff; font-weight: 600; white-space: nowrap; }
.article .note { font-size: .93rem; color: var(--ink-soft); }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li { counter-increment: s; position: relative; padding: 0 0 16px 54px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 2px; width: 38px; height: 38px; border-radius: 50%; background: var(--brand-yellow); color: var(--brand-purple-deep); font-family: var(--serif); font-weight: 700; font-size: 1.15rem; display: flex; align-items: center; justify-content: center; }
.help-box { background: var(--brand-purple-deep); color: #fff; border-radius: var(--radius); padding: 26px 24px; margin: 40px 0 8px; }
.help-box h2 { color: #fff; margin-top: 0; }
.help-box p { color: #fff; }
.help-box .btn { margin-top: 8px; }
.article details { border-bottom: 1px solid var(--border); padding: 14px 0; }
.article summary { font-weight: 600; font-size: 1.08rem; cursor: pointer; line-height: 1.6; }
.article details p { margin: 10px 0 0; }
.sources li { font-size: .95rem; line-height: 1.7; word-break: break-word; }
.draft-todo { background: #fff3cd; border: 1px dashed #e3b505; border-radius: 8px; padding: 12px 14px; margin: 16px 0; font-size: .95rem; line-height: 1.7; }
.draft-todo strong { color: #8a5a00; }
.article blockquote.law { margin: 12px 0 18px; padding: 14px 16px; background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--brand-yellow); border-radius: 8px; font-size: 1rem; line-height: 1.85; color: var(--ink-soft); }
.article .num-table td:last-child, .article .num-table th:last-child { white-space: nowrap; }
/* 手機版浮動 LINE 鈕固定在底部，頁尾多留一段空間，最後一行才不會被蓋住 */
@media (max-width: 899px) { .site-footer { padding-bottom: 96px; } }
/* 第 1 輪審稿修正：連續段落要有段距；標題裡的詞不要被拆成兩行；兩三欄的數字表在手機上不要被撐寬 */
.article p + p { margin-top: 0.8em; }
.article .nw { white-space: nowrap; }
.article table.num-table { min-width: 0; }
/* 文章內連結染紫色時，不能蓋掉 LINE 按鈕的白字 */
.article a.btn-line { color: #fff; text-decoration: none; }
.article table.num-table.wrap td:last-child, .article table.num-table.wrap th:last-child { white-space: normal; }
/* 電腦版浮動 LINE 鈕不能蓋到文章（2026-09-21 Ann 指示修正）
   原本全站共用的樣式是右下角 340px 寬的長條，文章欄 760px 置中，螢幕不到約 1500px 寬就會重疊。
   文章頁改成兩件事：①按鈕縮成貼著文字寬度的圓角鈕；②螢幕不夠寬時，文章欄往左讓出右側 270px 給按鈕。 */
@media (min-width: 900px) {
  .float-bar { width: auto; right: 24px; bottom: 24px; }
  .float-bar a { flex: none; padding: 13px 22px; font-size: 1rem; }
}
@media (min-width: 900px) and (max-width: 1339px) {
  .article { margin-left: auto; margin-right: 270px; }
}
/* 招牌知識目錄頁 */
.article .blog-list { list-style: none; padding: 0; }
.article .blog-list li { padding: 14px 0; border-bottom: 1px solid var(--border); }
.article .blog-list a { font-weight: 700; font-size: 1.1rem; }
.article .blog-list .note { display: block; margin-top: 4px; }

/* ---------- 招牌知識目錄頁（2026-09-21，參考 BenQ 知識中心） ---------- */
.kc { background: var(--paper); }
.kc-hero { padding: 56px 0 8px; text-align: center; }
.kc-hero h1 { font-family: "TY Serif TC", "TY Serif TC Blog", var(--serif); font-size: clamp(2rem, 6vw, 2.8rem); margin: 0 0 12px; color: var(--ink); }
.kc-hero p { max-width: 620px; margin: 0 auto; color: var(--ink-soft); line-height: 1.8; }
.kc-jump { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 24px auto 0; max-width: 640px; }
.kc-jump a { border: 1px solid var(--brand-purple); color: var(--brand-purple-deep); border-radius: 999px; padding: 7px 16px; font-size: .95rem; text-decoration: none; background: #fff; }
.kc-jump a:hover { background: var(--brand-purple); color: #fff; }
.kc-section { padding: 40px 0 72px; scroll-margin-top: 72px; }
.kc-section:nth-of-type(odd) { background: #f7f4fa; }
.kc-section-head { text-align: center; margin-bottom: 28px; }
.kc-section-head h2 { font-family: "TY Serif TC", "TY Serif TC Blog", var(--serif); font-size: clamp(1.5rem, 4.4vw, 2rem); margin: 0 0 8px; color: var(--brand-purple-deep); }
.kc-section-head p { color: var(--ink-soft); margin: 0; }

.kc-card { display: block; color: var(--ink); text-decoration: none; }
.kc-card:hover h3 { color: var(--brand-purple); }
.kc-card:hover .kc-cover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(62, 16, 92, 0.18); }
.kc-cover {
  position: relative; aspect-ratio: 16 / 9; border-radius: 22px; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 22px 24px;
  transition: transform .2s, box-shadow .2s;
}
.kc-cover::after { content: ""; position: absolute; right: -40px; top: -40px; width: 180px; height: 180px; border-radius: 50%; background: rgba(255, 255, 255, 0.07); }
.kc-photo { background: #e9e4ef; }
.kc-photo::after { display: none; }
.kc-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.kc-tone-1 { background: linear-gradient(135deg, #3e105c 0%, #5b2d8e 100%); }
.kc-tone-2 { background: linear-gradient(135deg, #1f2229 0%, #3e105c 100%); }
.kc-tone-3 { background: linear-gradient(135deg, #5b2d8e 0%, #2a0d40 100%); }
.kc-cover-label { position: relative; z-index: 1; color: rgba(255, 255, 255, 0.82); font-size: .92rem; letter-spacing: .04em; margin-bottom: 6px; }
.kc-cover .cover-key { position: relative; z-index: 1; color: var(--brand-yellow); font-family: "TY Serif TC", "TY Serif TC Blog", var(--serif); font-weight: 900; font-size: clamp(2rem, 7vw, 2.6rem); line-height: 1.15; }
.kc-body { padding: 14px 4px 0; }
.kc-body time { display: block; color: var(--ink-soft); font-size: .88rem; margin-bottom: 6px; }
.kc-body h3 { font-size: 1.12rem; line-height: 1.5; margin: 0 0 8px; transition: color .15s; }
.kc-body p { color: var(--ink-soft); font-size: .95rem; line-height: 1.75; margin: 0 0 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kc-tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.kc-tags li { border: 1px solid var(--border); border-radius: 999px; padding: 3px 12px; font-size: .82rem; color: var(--ink-soft); background: #fff; }

.kc-featured { margin-bottom: 44px; }
.kc-grid { display: flex; flex-direction: column; gap: 36px; }
/* 用 flex 置中，最後一排卡片不滿時不會靠左留空格 */
@media (min-width: 700px) {
  .kc-grid { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 40px 28px; }
  .kc-grid > .kc-card { flex: 0 0 calc((100% - 28px) / 2); }
}
@media (min-width: 900px) {
  .kc-featured { display: grid; grid-template-columns: 1.25fr 1fr; gap: 36px; align-items: center; }
  .kc-featured .kc-cover { aspect-ratio: 16 / 10; padding: 34px 36px; }
  .kc-featured .cover-key { font-size: 3.4rem; }
  .kc-featured .kc-body h3 { font-size: 1.55rem; }
  .kc-featured .kc-body p { -webkit-line-clamp: 4; font-size: 1rem; }
  .kc-grid > .kc-card { flex: 0 0 calc((100% - 56px) / 3); }
  /* 目錄頁版面較寬，電腦版的浮動 LINE 鈕會蓋到最右排卡片；目錄頁不是文章，電腦版不顯示浮動鈕（每篇文章內都有 LINE 按鈕） */
  .kc-page .float-bar { display: none; }
}

/* 導覽列：目前所在頁 */
.site-nav a[aria-current="page"] { color: var(--brand-purple); font-weight: 700; }