/* 主題分類頁（全部觀點）：沿用 v0.5 + v0.6 的系統 */

.crumb { font-size: 13px; color: var(--ink-3); }
.crumb a:hover { color: var(--orange); }
.topic-hero { padding: 44px 0 28px; border-bottom: 1px solid var(--line); }
.topic-hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: end; }
.topic-hero h1 { font-family: var(--serif); font-weight: 300; font-size: clamp(36px, 4vw, 56px); color: var(--navy); line-height: 1.2; margin-top: 12px; }
.topic-hero .desc { font-size: 17px; font-weight: 300; color: var(--ink-2); margin-top: 14px; max-width: 34em; }
.topic-stats { display: flex; gap: 32px; justify-content: flex-end; }
.topic-stats div { text-align: right; }
.topic-stats b { display: block; font-family: var(--serif); font-weight: 300; font-size: 40px; line-height: 1; color: var(--orange); }
.topic-stats span { font-size: 12px; letter-spacing: .12em; color: var(--ink-3); }

/* 篩選列（捲動時固定在頂端） */
.filter-bar { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.filter-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.tabs { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.tabs button, .tabs a { font: inherit; font-size: 14.5px; font-weight: 500; color: var(--ink-2); background: none; border: 0; border-bottom: 2px solid transparent; padding: 15px 14px 13px; cursor: pointer; white-space: nowrap; }
.tabs button small, .tabs a small { font-size: 12px; color: var(--ink-3); margin-left: 4px; }
.tabs button:hover, .tabs a:hover { color: var(--ink); }
.tabs button.on, .tabs a.on { color: var(--ink); border-bottom-color: var(--orange); }
.kinds { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--ink-3); white-space: nowrap; }
.kinds button { font: inherit; font-size: 13px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--white); color: var(--ink-2); cursor: pointer; }
.kinds button.on { border-color: var(--navy); color: var(--navy); font-weight: 700; }

/* 主體 */
.list-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 48px; padding-top: 36px; padding-bottom: 80px; }

/* 精選大卡 */
.pick { display: grid; grid-template-columns: 1.25fr 1fr; gap: 32px; align-items: center; padding-bottom: 32px; margin-bottom: 32px; border-bottom: 1px solid var(--line); }
.pick .tone { aspect-ratio: 16 / 10; border-radius: 8px; }
.pick .label { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .14em; color: var(--white); background: var(--orange); padding: 3px 8px; border-radius: 4px; margin-right: 8px; }
.pick .hl { font-size: clamp(24px, 2.4vw, 32px); font-weight: 300; color: var(--navy); line-height: 1.3; margin: 12px 0; }
.pick .dek { font-size: 15.5px; margin-bottom: 14px; }

/* 三欄卡片 */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 28px; }
.post .tone { aspect-ratio: 16 / 10; border-radius: 6px; margin-bottom: 12px; }
.post .hl { font-size: 18px; margin: 6px 0 6px; }
.post .dek { font-size: 13.5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
.post .kind-tag { font-size: 11px; color: var(--ink-3); border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px; margin-left: 6px; }
.post.hidden { display: none; }
.empty { display: none; grid-column: 1 / -1; padding: 40px; text-align: center; color: var(--ink-3); border: 1px dashed var(--gray); border-radius: 10px; }

.more { text-align: center; margin-top: 44px; }
.more button { font: inherit; font-size: 14px; font-weight: 700; color: var(--navy); background: var(--white); border: 1.5px solid var(--navy); border-radius: 10px; padding: 12px 28px; cursor: pointer; }
.more button:hover { background: var(--navy); color: var(--white); }
.more p { font-size: 12.5px; color: var(--ink-3); margin-top: 10px; }

/* 側欄：固定跟著捲動 */
.aside { position: sticky; top: 72px; align-self: start; display: grid; gap: 20px; }
.box { border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.box h3 { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--orange); margin-bottom: 10px; }
.box.sub { background: var(--orange-tint, #FDEDE8); border-color: transparent; }
.box.sub b { display: block; font-family: var(--serif); font-weight: 400; font-size: 20px; color: var(--ink); line-height: 1.4; }
.box.sub p { font-size: 13px; color: var(--ink-2); margin: 8px 0 14px; }
.series { list-style: none; padding: 0; margin: 0; counter-reset: s; }
.series li { counter-increment: s; border-top: 1px solid var(--line); }
.series li:first-child { border-top: 0; }
.series a { display: grid; grid-template-columns: 28px 1fr; gap: 6px; padding: 9px 0; font-family: var(--serif); font-size: 15px; color: var(--ink); }
.series a::before { content: counter(s, decimal-leading-zero); color: var(--orange); font-size: 14px; }
.series a:hover { color: var(--orange); }
.box.promo { padding: 0; overflow: hidden; }
.box.promo .tone { height: 130px; }
.box.promo div.t { padding: 16px 20px 20px; }
.box.promo b { display: block; font-family: var(--serif); font-weight: 400; font-size: 18px; color: var(--navy); }
.box.promo p { font-size: 13px; color: var(--ink-2); margin: 6px 0 12px; }
.box.promo .btn { height: 36px; font-size: 13px; padding: 0 14px; }

@media (max-width: 1100px) {
  .list-wrap { grid-template-columns: 1fr; }
  .aside { position: static; grid-template-columns: 1fr 1fr; }
  .grid3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .topic-hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .topic-stats { justify-content: flex-start; }
  .topic-stats div { text-align: left; }
  .filter-inner { flex-direction: column; align-items: stretch; gap: 0; }
  .kinds { padding: 8px 0 12px; overflow-x: auto; }
  .pick { grid-template-columns: 1fr; }
  .grid3, .aside { grid-template-columns: 1fr; }
}
.box.promo .tone img[src*="seo-gsc"] { object-fit: contain; background: #fff; padding: 10px; }