/* 文章區（articles/）專用樣式，疊在 styles.css 之上，不改首頁 */
.is-article { background: var(--paper); }
.is-article .masthead { position: sticky; top: 0; z-index: 20; background: rgba(255, 253, 249, .92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.is-article .nav a[aria-current="page"]::after { right: 0; }
.wrap-wide { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.article-main { padding: clamp(36px, 5vw, 64px) 0 clamp(72px, 8vw, 120px); }
.dot { color: var(--haze); }

/* ---------- 列表頁 ---------- */
.feature { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(24px, 4vw, 48px); align-items: center; padding: clamp(18px, 2.4vw, 28px); margin: 0 auto clamp(40px, 5vw, 60px); background: var(--mist); border-radius: 16px; text-decoration: none; color: inherit; transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.feature:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(184,116,111,.12); }
.feature__media { aspect-ratio: 3 / 2; border-radius: 10px; overflow: hidden; background: var(--paper); }
.feature__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.feature__media--empty { display: grid; place-items: center; }
.feature__media--empty svg { width: 96px; height: 96px; color: var(--haze); }
.feature__eyebrow { font-family: var(--sans); font-size: 13px; font-weight: 500; color: var(--accent); margin: 0 0 10px; letter-spacing: .14em; }
.feature__title { font-family: var(--serif); font-weight: 700; font-size: clamp(22px, 2.4vw, 30px); line-height: 1.4; color: var(--ink); margin: 0 0 14px; }
.feature__desc { font-family: var(--sans); font-size: 15px; line-height: 1.9; color: var(--body); margin: 0 0 16px; }
.feature__more { font-family: var(--sans); font-size: 14px; color: var(--accent); margin: 0; letter-spacing: .04em; }
@media (max-width: 760px) { .feature { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .feature { transition: none; } .feature:hover { transform: none; } }

.articles__head { text-align: center; max-width: 36em; margin: 0 auto clamp(44px, 5vw, 64px); }
.articles__eyebrow { font-family: "Cormorant Garamond", var(--en); font-style: italic; font-weight: 500; font-size: clamp(18px, 2vw, 22px); letter-spacing: .06em; color: var(--accent); margin: 0 0 10px; }
.articles__title { font-family: var(--serif); font-weight: 700; font-size: clamp(32px, 4.6vw, 52px); line-height: 1.25; letter-spacing: .04em; color: var(--ink); margin: 0 0 30px; }
.articles__lede { font-family: var(--serif); font-weight: 500; font-size: clamp(17px, 1.9vw, 20px); line-height: 1.7; color: var(--ink); margin: 0; letter-spacing: .04em; }
.articles__topics { display: flex; justify-content: center; align-items: center; gap: 14px; margin: 0 0 18px; font-family: var(--serif); font-size: 14px; letter-spacing: .12em; color: var(--accent); }
.articles__topics span { position: relative; }
.articles__topics span + span::before { content: ""; position: absolute; left: -9px; top: 50%; width: 4px; height: 4px; margin-top: -2px; border-radius: 50%; background: var(--haze); }
.nowrap { white-space: nowrap; }
.articles__note { font-family: var(--hand); font-size: clamp(17px, 2.2vw, 22px); line-height: 1.6; color: var(--ink); margin: 0; letter-spacing: .03em; }

.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px clamp(14px, 2.4vw, 30px); margin: 0 auto clamp(36px, 5vw, 56px); padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.chip { position: relative; font-family: var(--sans); font-size: 14px; letter-spacing: .1em; padding: 8px 2px; color: var(--body); transition: color .25s var(--ease); }
.chip::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 4px; height: 1px; background: var(--accent); transition: right .3s var(--ease); }
.chip:hover { color: var(--accent); }
.chip.is-on { color: var(--accent); }
.chip.is-on::after { right: 0; }

.cards { display: grid; gap: clamp(32px, 4vw, 48px) clamp(20px, 2.6vw, 32px); }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card { display: grid; gap: 16px; align-content: start; color: inherit; }
.card__media { aspect-ratio: 3 / 2; overflow: hidden; border-radius: 10px; background: var(--mist); box-shadow: 8px 8px 0 var(--mist); transition: box-shadow .35s var(--ease); }
.card:hover .card__media { box-shadow: 8px 8px 0 var(--mist-deep); }
.card__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .9s var(--ease); }
.card:hover .card__media img { transform: scale(1.03); }
.feature__media--fig { background: #fbf4ef; padding: 14px 14px 0; box-sizing: border-box; overflow: hidden; }
.feature__media--fig svg { width: 100%; height: auto; display: block; }
.card__media--fig { background: #fbf4ef; padding: 10px 10px 0; box-sizing: border-box; }
.card__media--fig svg { width: 100%; height: auto; display: block; transition: transform .9s var(--ease); }
.card:hover .card__media--fig svg { transform: scale(1.03); }
.card__media--empty { display: grid; place-items: center; color: var(--haze); }
.card__media--empty svg { width: 64px; height: 64px; }
.card__cat { font-family: var(--sans); font-size: 12px; letter-spacing: .18em; color: var(--accent); margin: 0 0 8px; }
.card__title { font-family: var(--serif); font-weight: 700; font-size: 18px; line-height: 1.6; color: var(--ink); margin: 0 0 8px; transition: color .25s var(--ease); }
.card:hover .card__title { color: var(--accent); }
.card__desc { font-family: var(--sans); font-size: 14px; line-height: 1.85; color: var(--body); margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card__meta { font-family: var(--en); font-size: 12px; letter-spacing: .08em; color: var(--muted); margin: 0; }

/* ---------- 單篇：左文右側欄 ---------- */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(40px, 6vw, 88px); align-items: start; }
.article { min-width: 0; max-width: 720px; }
.article__head { text-align: center; margin: 0 0 clamp(24px, 3vw, 32px); }
.article__kicker { font-family: var(--sans); font-size: 13px; letter-spacing: .12em; color: var(--muted); display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; align-items: center; margin: 0 0 18px; }
.article__kicker a { color: var(--accent); }
.article__title { font-family: var(--serif); font-weight: 700; font-size: clamp(26px, 3.4vw, 38px); line-height: 1.5; letter-spacing: .02em; color: var(--ink); margin: 0; }
.article__cover { margin: 0 0 clamp(32px, 4vw, 44px); }
.article__cover img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 12px; box-shadow: 12px 12px 0 var(--mist); display: block; }

.article__body { font-family: var(--sans); font-size: var(--fs-body); line-height: 2; color: var(--body); }
.article__body > * + * { margin-top: 1.3em; }
.article__body h2 { font-family: var(--serif); font-weight: 700; font-size: clamp(21px, 2.4vw, 26px); line-height: 1.5; color: var(--ink); margin-top: 2.6em; position: relative; padding-top: 20px; }
.article__body h2::before { content: ""; position: absolute; top: 0; left: 0; width: 32px; height: 2px; background: var(--haze); }
.article__body h3 { font-family: var(--serif); font-weight: 600; font-size: clamp(17px, 2vw, 20px); line-height: 1.55; color: var(--ink); margin-top: 2em; }
.article__body h2 + h3 { margin-top: 1.2em; }
.article__body > p:first-child { font-size: 18px; color: var(--ink); }
.article__body strong { color: var(--ink); font-weight: 600; }
.article__body a { color: var(--accent); text-decoration: underline; text-decoration-color: var(--haze); text-underline-offset: 4px; }
.article__body a:hover { text-decoration-color: var(--accent); }
.article__body ul, .article__body ol { padding-left: 1.4em; display: grid; gap: .5em; }
.article__body li::marker { color: var(--accent); }
.article__body .definition-box { font-size: 16px; line-height: 1.95; border-radius: 0 10px 10px 0 !important; }
.article__body .definition-box strong { color: var(--accent); }
.article__body .mark { margin-top: .5em; padding-left: 1.9em; text-indent: -1.9em; }
.article__body .mark--bad { color: var(--muted); }
.article__body .mark--good { color: var(--ink); }
.article__body .checklist { font-family: var(--sans); font-size: 16px; line-height: 2; white-space: pre-wrap; background: var(--mist); border-radius: 10px; padding: 22px 26px; color: var(--ink); overflow-x: auto; }
.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.article__body table { border-collapse: collapse; width: 100%; font-size: 15px; line-height: 1.7; }
.article__body th, .article__body td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.article__body th { font-weight: 600; color: var(--ink); background: var(--mist); }
.article__body figure.photo { margin: 2.4em 0 1em; }
.article__body figure.photo img { width: 100%; height: auto; border-radius: 10px; box-shadow: 12px 12px 0 var(--mist); display: block; }

.article__end { display: grid; grid-template-columns: 56px 1fr; gap: 18px; align-items: center; margin-top: clamp(40px, 5vw, 56px); padding-top: 28px; border-top: 1px solid var(--line); }
.article__end-avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.article__end-name { font-family: var(--serif); font-weight: 700; color: var(--ink); margin: 0 0 4px; }
.article__end-text { font-family: var(--sans); font-size: 15px; line-height: 1.8; color: var(--body); margin: 0; }
.article__end-text a { color: var(--accent); }

/* 側欄 */
.side { position: sticky; top: 92px; display: grid; gap: 28px; }
.side__block { padding: 0 0 28px; border-bottom: 1px solid var(--line); }
.side__block:last-child { border-bottom: 0; padding-bottom: 0; }
.side__label { font-family: var(--sans); font-size: 12px; letter-spacing: .22em; color: var(--muted); margin: 0 0 14px; }
.side__label--light { color: var(--accent); }
.side__label--center { text-align: center; margin-bottom: clamp(24px, 3vw, 36px); }
.side__me { text-align: center; }
.side__avatar { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; margin: 0 auto 16px; display: block; padding: 6px; background: var(--paper); box-shadow: 0 0 0 1px var(--haze); }
.side__hi { font-family: var(--serif); font-weight: 600; font-size: 24px; color: var(--ink); margin: 0 0 10px; letter-spacing: .04em; }
.side__bio { font-family: var(--sans); font-size: 14px; line-height: 1.9; color: var(--body); margin: 0 0 12px; text-align: left; }
.side__more { font-family: var(--sans); font-size: 13px; letter-spacing: .08em; color: var(--accent); }
.side__cta { background: var(--mist); border-radius: 14px; padding: 24px 22px 26px; border-bottom: 0; }
.side__cta-title { font-family: var(--serif); font-weight: 700; font-size: 19px; line-height: 1.5; color: var(--ink); margin: 0 0 8px; }
.side__cta-text { font-family: var(--sans); font-size: 14px; line-height: 1.85; color: var(--body); margin: 0 0 16px; }
.btn--side { width: 100%; justify-content: center; box-sizing: border-box; }
.side__cats { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.side__cats a { display: block; font-family: var(--sans); font-size: 14px; letter-spacing: .06em; color: var(--body); padding: 7px 0; border-bottom: 1px dashed var(--line); transition: color .25s var(--ease); }
.side__cats li:last-child a { border-bottom: 0; }
.side__cats a:hover { color: var(--accent); }

.mini { display: grid; grid-template-columns: 84px 1fr; gap: 14px; align-items: center; color: inherit; padding: 8px 0; }
.mini__media { width: 84px; aspect-ratio: 3 / 2; border-radius: 6px; overflow: hidden; background: var(--mist); display: block; }
.mini__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mini__empty { display: grid; place-items: center; width: 100%; height: 100%; color: var(--haze); }
.mini__empty svg { width: 28px; height: 28px; }
.mini__cat { display: block; font-family: var(--sans); font-size: 11px; letter-spacing: .16em; color: var(--accent); margin-bottom: 3px; }
.mini__title { display: block; font-family: var(--serif); font-weight: 600; font-size: 14px; line-height: 1.55; color: var(--ink); transition: color .25s var(--ease); }
.mini:hover .mini__title { color: var(--accent); }

/* 更多文章 */
.related { margin-top: clamp(64px, 8vw, 100px); padding-top: clamp(36px, 4vw, 48px); border-top: 1px solid var(--line); }

@media (prefers-reduced-motion: reduce) {
  .card__media img, .card__media, .card__title, .chip, .chip::after, .mini__title { transition: none; }
}
@media (max-width: 1080px) {
  .layout { grid-template-columns: minmax(0, 1fr) 260px; }
  .cards--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .article { max-width: 720px; margin: 0 auto; }
  .side { position: static; max-width: 720px; margin: clamp(40px, 6vw, 56px) auto 0; padding-top: 32px; border-top: 1px solid var(--line); }
}
@media (max-width: 640px) {
  .cards--3 { grid-template-columns: 1fr; }
  .chips { gap: 0 18px; }
  .article__cover img { border-radius: 10px; box-shadow: 8px 8px 0 var(--mist); }
  .article__body { font-size: 16px; }
}
.btn--side { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--side:hover { background: #a5635e; border-color: #a5635e; }

/* 概念圖 */
.article__body figure.diagram { margin: 2.4em 0; padding: 22px 18px 12px; background: var(--mist); border-radius: 14px; }
.article__body figure.diagram svg { display: block; width: 100%; max-width: 480px; height: auto; margin: 0 auto; }
.article__body figure.diagram figcaption { margin-top: 12px; text-align: center; font-family: var(--hand-draw); font-size: 24px; color: var(--hand-soft); }