/* ============================================================
   星降のステージ — shared design system
   改這裡的 :root token，全站（首頁 + 部落格）一起變色。
   目前為初版紫夜配色；日後翻 v9 星空藍只需替換 token。
   ============================================================ */
:root {
  /* ---- v9 星空藍（夜） ---- */
  --night: #161A2E;
  --night2: #2A2F4E;
  --violet: #7C83B8;
  --pink: #C98BAE;
  --gold: #F5A93C;
  --mint: #63C7B2;
  --text: #EEF0FA;
  --dim: #A7ABCF;
  --card: rgba(34, 39, 66, .55);
  --card-line: rgba(167, 171, 207, .22);
  /* themeable surfaces */
  --bg-grad: linear-gradient(180deg, #0E1122 0%, var(--night) 32%, var(--night2) 72%, #3A2F52 100%);
  --nav-bg: rgba(14, 17, 34, .58);
  --panel-bg: rgba(14, 17, 34, .72);
  --term-bg: #0E1122;
  --hair: rgba(167, 171, 207, .16);
  --sel: #2A1A33;
  /* 大標：蘭陽黑體 W8（真實 800）。別名須與 justfont 後台一致 */
  --display: "jf-lanyanghei", "Hiragino Maru Gothic ProN", "Hiragino Kaku Gothic ProN", "PingFang TC", sans-serif;
  /* UI／小標：金萱那提，最重 500 — 不要在這個 token 上用 >500，會變合成假粗體 */
  --round: "jf-jinxuanlatte", "Hiragino Maru Gothic ProN", "Hiragino Kaku Gothic ProN", "PingFang TC", sans-serif;
  --sans: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "PingFang TC", sans-serif;
  --serif: "creammincho", "Hiragino Mincho ProN", "Yu Mincho", "Songti TC", serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}

/* ---- 白天：奶油蜂蜜 ---- */
:root[data-theme="day"] {
  --night: #FBEFD8;
  --night2: #F6E0BE;
  --violet: #8A6DB0;
  --pink: #D8688A;
  --gold: #D98518;
  --mint: #1E9C86;
  --text: #3B2A20;
  --dim: #8A6F58;
  --card: rgba(255, 250, 240, .72);
  --card-line: rgba(120, 90, 60, .22);
  --bg-grad: linear-gradient(180deg, #FFF7E8 0%, #FDEFD4 45%, #FBE6C6 100%);
  --nav-bg: rgba(255, 247, 232, .72);
  --panel-bg: rgba(255, 247, 232, .82);
  --term-bg: #2A2016;
  --hair: rgba(120, 90, 60, .18);
  --sel: #F6D9A0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--text); font-family: var(--sans); line-height: 1.8;
  background: var(--bg-grad);
  /* 短頁面（404、空分類）也要撐滿視窗，否則漸層在內容結束就畫完、下緣出現接縫 */
  min-height: 100svh;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
::selection { background: var(--pink); color: var(--sel); }
a { color: inherit; }

/* ---------- fixed backdrop ---------- */
#sky { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.aur { position: fixed; width: 70vw; height: 70vw; border-radius: 50%; filter: blur(90px); z-index: 0; pointer-events: none; opacity: .5; }
.aur.a1 { left: -25vw; bottom: -35vw; background: radial-gradient(circle, rgba(124,131,184,.5), transparent 65%); animation: aur-f 11s ease-in-out infinite alternate; }
.aur.a2 { right: -25vw; bottom: -38vw; background: radial-gradient(circle, rgba(201,139,174,.42), transparent 65%); animation: aur-f 13s ease-in-out 2s infinite alternate; }
@keyframes aur-f { from { opacity: .35; transform: translateY(0) scale(1); } to { opacity: .7; transform: translateY(-6vh) scale(1.08); } }

/* ---------- scroll progress ---------- */
#progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 60;
  background: linear-gradient(90deg, var(--gold), var(--pink), var(--violet));
  box-shadow: 0 0 10px rgba(255,123,213,.6);
}

/* ---------- nav ---------- */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: var(--nav-bg); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hair);
}
#nav .logo { font: 500 16px/1 var(--round); letter-spacing: .12em; text-decoration: none; color: var(--text); display: flex; gap: 8px; align-items: center; }
#nav .logo b { color: var(--gold); }
#nav ul { display: flex; gap: clamp(10px, 2.4vw, 26px); list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
#nav a.lk { position: relative; text-decoration: none; color: var(--dim); font-size: 13px; font-weight: 700; letter-spacing: .08em; padding: 4px 2px; transition: color .25s; }
#nav a.lk::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: linear-gradient(90deg, var(--gold), var(--pink)); transition: right .3s cubic-bezier(.2,.8,.2,1); }
#nav a.lk:hover, #nav a.lk:focus-visible, #nav a.lk.here { color: var(--text); }
#nav a.lk:hover::after, #nav a.lk:focus-visible::after, #nav a.lk.here::after { right: 0; }
#nav a.lk:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; border-radius: 4px; }
#nav .nav-right { display: flex; align-items: center; gap: clamp(8px, 2vw, 20px); }
.theme-toggle {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; cursor: pointer;
  border: 1.5px solid var(--card-line); background: rgba(127,127,160,.12); color: var(--gold);
  font-size: 15px; line-height: 1; display: grid; place-items: center;
  transition: transform .25s, border-color .25s, background .25s;
}
.theme-toggle:hover { transform: rotate(18deg) scale(1.08); border-color: var(--gold); }
.theme-toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

main { position: relative; }   /* 不設 z-index：DOM 順序已在 #sky/.aur 之上；設了會困住 .on-stage 的 z-index，劇場模式壓暗到影片 */
section { scroll-margin-top: 80px; }
.shell { max-width: 1060px; margin: 0 auto; padding: 0 24px; }
.shell.narrow { max-width: 760px; }

/* ---------- reveal (progressive enhancement: hidden only when JS runs) ---------- */
.has-js [data-rv] { opacity: 0; transform: translateY(30px); transition: opacity .9s ease var(--d, 0s), transform .9s cubic-bezier(.2,.8,.2,1) var(--d, 0s); }
.has-js [data-rv].rv { opacity: 1; transform: none; }

/* ---------- section head ---------- */
.sec-head { text-align: center; padding: 90px 0 40px; }
.sec-head .en { font: 700 12px/1 var(--mono); letter-spacing: .4em; color: var(--pink); text-transform: uppercase; margin: 0 0 12px; }
.sec-head h2 { font-family: var(--display); font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; letter-spacing: .06em; margin: 0; }
.sec-head h2 em { font-style: normal; color: var(--gold); }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--round); font-weight: 500; font-size: 15px; letter-spacing: .06em;
  padding: 13px 30px; border-radius: 999px; text-decoration: none; cursor: pointer; border: none;
  position: relative; overflow: hidden; display: inline-block;
  transition: transform .25s cubic-bezier(.2,1.4,.4,1), box-shadow .25s;
}
.btn.b1 { background: linear-gradient(90deg, var(--gold), #F7A46B); color: #2A1650; box-shadow: 0 6px 24px rgba(245,169,60,.35); }
.btn.b2 { background: transparent; color: var(--text); border: 2px solid var(--dim); }
.btn:hover, .btn:focus-visible { transform: translateY(-3px) scale(1.04); }
.btn.b1:hover { box-shadow: 0 10px 34px rgba(242,206,107,.55); }
.btn.b2:hover { border-color: var(--pink); color: var(--pink); }
.btn:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; }

/* ============================================================
   BLOG — 配信アーカイブ
   ============================================================ */

/* -- category filter chips -- */
.filters { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin: -12px 0 46px; }
.filters button {
  font: 500 13px/1 var(--round); letter-spacing: .06em; cursor: pointer;
  color: var(--dim); background: rgba(255,255,255,.06); border: 1.5px solid var(--card-line);
  border-radius: 999px; padding: 8px 18px; transition: color .25s, border-color .25s, background .25s, transform .2s;
}
.filters button:hover { transform: translateY(-2px); color: var(--text); }
.filters button[aria-pressed="true"] { color: #1A0A2E; background: linear-gradient(90deg, var(--gold), #F7A46B); border-color: transparent; }
.filters button:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; }

/* -- post grid -- */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; padding-bottom: 40px; }

.post-card {
  display: flex; flex-direction: column; text-decoration: none; color: var(--text);
  background: var(--card); border: 1.5px solid var(--card-line); border-radius: 20px;
  overflow: hidden; backdrop-filter: blur(8px);
  transition: border-color .3s, box-shadow .3s, transform .3s; will-change: transform;
}
.post-card:hover { border-color: rgba(242,206,107,.55); box-shadow: 0 20px 56px rgba(5,3,20,.55); transform: translateY(-4px); }
.post-card:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; }
.post-card.feat { grid-column: 1 / -1; flex-direction: row; }
.post-card.feat .thumb { width: 46%; min-height: 260px; }
@media (max-width: 680px) { .post-card.feat { flex-direction: column; } .post-card.feat .thumb { width: 100%; min-height: 180px; } }

.thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #0A081F; flex-shrink: 0; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s; }
.post-card:hover .thumb img { transform: scale(1.06); }
/* fallback constellation motif when no thumbnail */
.thumb.motif { display: grid; place-items: center; background: radial-gradient(circle at 50% 40%, rgba(124,131,184,.35), var(--term-bg) 72%); }
.thumb.motif svg { width: 70%; opacity: .85; }
.thumb .cat-pin {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font: 500 11px/1 var(--round); letter-spacing: .1em; padding: 6px 12px; border-radius: 999px;
  background: rgba(10,8,31,.72); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,.18);
}
.thumb .dur {
  position: absolute; bottom: 12px; right: 12px; z-index: 2;
  font: 700 11px/1 var(--mono); letter-spacing: .06em; color: var(--text);
  background: rgba(10,8,31,.72); border-radius: 6px; padding: 4px 8px;
}

.post-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-card.feat .post-body { justify-content: center; padding: 30px 34px; }
.post-meta { font: 700 11px/1 var(--mono); letter-spacing: .14em; color: var(--dim); display: flex; gap: 12px; align-items: center; }
.post-meta .hl-n { color: var(--mint); }
.post-card h3 { font-family: var(--display); font-size: 19px; font-weight: 800; line-height: 1.45; margin: 0; text-wrap: balance; }
.post-card.feat h3 { font-size: clamp(22px, 3vw, 30px); }
.post-card p.exc { color: var(--dim); font-size: 13.5px; line-height: 1.75; margin: 0; }
.post-tags { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 2px; }
.post-tags span { font: 700 11px/1 var(--mono); letter-spacing: .04em; color: var(--mint); border: 1px solid rgba(155,242,227,.35); border-radius: 4px; padding: 3px 8px; }
.read-more { margin-top: auto; font: 500 12px/1 var(--round); letter-spacing: .1em; color: var(--gold); }
.post-card:hover .read-more { color: var(--pink); }

.empty { text-align: center; color: var(--dim); padding: 40px 0 60px; font-size: 14px; }

/* ============================================================
   MAGAZINE — 單篇文章（封面＋定格蓋影片的跨頁）
   ============================================================ */
.mag .cover { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(24px, 4vw, 56px); align-items: center;
  max-width: 1120px; margin: 0 auto; padding: 120px 24px 24px; }
@media (max-width: 820px) { .mag .cover { grid-template-columns: 1fr; padding-top: 100px; } }
.cover-text .eyebrow { font: 800 12px/1 var(--mono); letter-spacing: .3em; color: var(--pink); text-transform: uppercase; margin: 0 0 18px; }
.cover-text h1 { font-family: var(--display); font-size: clamp(30px, 4.4vw, 52px); font-weight: 800; letter-spacing: .02em; line-height: 1.28;
  margin: 0 0 22px; text-wrap: balance; text-shadow: 0 0 30px rgba(201,139,174,.3); }
.cover-text .art-meta { justify-content: flex-start; }
.cover-text .art-tags { justify-content: flex-start; margin-top: 16px; }

/* -- 海報封面：定格出血、標題壓圖、期號 masthead -- */
.mag .cover.poster-cover { display: block; max-width: none; padding: 0; margin: 0; position: relative; min-height: 88svh; overflow: hidden; }
.cover-bg { position: absolute; inset: 0; z-index: 0; }
/* 封面本身就是 segment：無邊框無圓角、填滿；poster 蓋整個封面 */
.cover-bg .segment.cover-seg { position: absolute; inset: 0; aspect-ratio: auto; border: 0; border-radius: 0; box-shadow: none; }
.cover-poster { position: absolute; inset: 0; cursor: pointer; }
.cover-poster img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 30%; transform: scale(1.06); transition: transform 1.2s ease; }
.cover-poster:hover img { transform: scale(1.1); }
.cover-poster svg { width: 60%; margin: 12% auto 0; display: block; opacity: .5; position: relative; }
.cover-poster::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14,17,34,.55) 0%, rgba(14,17,34,.12) 35%, rgba(14,17,34,.6) 65%, var(--night) 100%); }
/* 播放鍵放正中（洞穴空處）；specificity 壓過基底 .poster .play */
.poster.cover-poster .play { position: absolute; z-index: 3; left: 50%; top: 44%; transform: translate(-50%, -50%);
  width: 96px; height: 96px; font-size: 36px; padding-left: 6px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(245,169,60,.94); color: #2A1650; box-shadow: 0 14px 44px rgba(245,169,60,.5), 0 0 0 14px rgba(245,169,60,.14);
  transition: transform .3s cubic-bezier(.2,1.4,.4,1); animation: cv-pulse 2.6s ease-in-out infinite; }
@keyframes cv-pulse { 0%,100% { box-shadow: 0 14px 44px rgba(245,169,60,.5), 0 0 0 14px rgba(245,169,60,.14); } 50% { box-shadow: 0 14px 44px rgba(245,169,60,.6), 0 0 0 26px rgba(245,169,60,.05); } }
.poster.cover-poster:hover .play { transform: translate(-50%, -50%) scale(1.1); }
@media (max-width: 820px) { .poster.cover-poster .play { top: 40%; width: 78px; height: 78px; font-size: 30px; } }
.cover-seg.playing .cover-poster { opacity: 0; pointer-events: none; }
.cover:has(.cover-seg.playing) .cover-inner { opacity: 0; pointer-events: none; }
.cover:has(.cover-seg.playing) .cover-bg { z-index: 45; }   /* 播放中抬到劇場遮罩之上 */
.cover-inner { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding: 150px 24px 40px; min-height: 88svh;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 16px; pointer-events: none; transition: opacity .4s; }
.cover-inner > * { pointer-events: auto; }
.cover-hint { font: 700 12px/1 var(--mono); letter-spacing: .14em; color: var(--dim); margin: 6px 0 0; }
.mast { display: flex; gap: 0; flex-wrap: wrap; margin: 0; font: 800 12px/1 var(--mono); letter-spacing: .22em; color: var(--gold); text-transform: uppercase; }
.mast span { padding: 8px 14px; border: 1px solid rgba(245,169,60,.45); border-right: 0; background: rgba(14,17,34,.5); backdrop-filter: blur(6px); }
.mast span:first-child { border-radius: 6px 0 0 6px; background: var(--gold); color: #2A1650; }
.mast span:last-child { border-right: 1px solid rgba(245,169,60,.45); border-radius: 0 6px 6px 0; }
.poster-cover h1 { font-family: var(--display); font-size: clamp(34px, 6.2vw, 78px); font-weight: 800; letter-spacing: .01em; line-height: 1.15;
  margin: 0; max-width: 16ch; text-wrap: balance; color: #fff; text-shadow: 0 4px 30px rgba(0,0,0,.55), 0 0 60px rgba(201,139,174,.35); }
.poster-cover .art-tags { justify-content: flex-start; margin: 0; }
.poster-cover .art-tags span { background: rgba(14,17,34,.5); backdrop-filter: blur(6px); }
.cover-play { max-width: 520px; margin-top: 10px; }
.cover-play .segment { aspect-ratio: 16/9; border-color: rgba(255,255,255,.28); box-shadow: 0 30px 80px rgba(5,6,20,.6); }
@media (max-width: 820px) { .cover-inner { padding-top: 120px; min-height: 80svh; } .poster-cover h1 { font-size: clamp(30px, 9vw, 48px); } .cover-play { max-width: 100%; } }
:root[data-theme="day"] .cover-bg::after { background: linear-gradient(180deg, rgba(59,42,32,.35) 0%, rgba(59,42,32,.1) 35%, rgba(251,239,216,.6) 70%, var(--night) 100%); }
:root[data-theme="day"] .poster-cover h1 { color: #fff; text-shadow: 0 4px 30px rgba(0,0,0,.7); }

/* -- 今夜の星図：高光依時間畫成星座；讀到哪亮到哪 -- */
/* 星図面板：自己的夜空，跟背景 canvas 星星切開；進場畫線 */
.sky-wrap { max-width: 1120px; margin: 26px auto 0; padding: 0 24px; }
.sky-panel { position: relative; border-radius: 22px; padding: 18px 22px 12px; border: 1.5px solid rgba(245,169,60,.28);
  background: radial-gradient(ellipse at 50% 30%, rgba(124,131,184,.22), transparent 60%), var(--term-bg);
  box-shadow: 0 24px 60px rgba(5,6,20,.45), inset 0 0 0 1px rgba(255,255,255,.03); overflow: hidden; }
.sky-panel::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(90deg, transparent 0 119px, rgba(167,171,207,.05) 119px 120px); }
.sky-lbl { position: relative; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap;
  font: 800 11px/1 var(--mono); letter-spacing: .3em; color: var(--gold); margin: 0 0 4px; text-transform: uppercase; }
.sky-lbl small { font: 700 10px/1 var(--mono); letter-spacing: .16em; color: var(--dim); text-transform: none; }
.skymap { position: relative; width: 100%; height: auto; display: block; overflow: visible; }
.skymap .bgst { fill: #fff; opacity: .28; }
.skymap .axis { stroke: rgba(167,171,207,.25); stroke-width: 1; }
.skymap .tick { font: 700 11px var(--mono); fill: var(--dim); letter-spacing: .08em; }
.skymap .seg { stroke: rgba(245,169,60,.55); stroke-width: 1.6; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1;
  transition: stroke .5s, opacity .5s; }
.has-js .sky-wrap.rv .skymap .seg, .skybar .skymap .seg, html:not(.has-js) .skymap .seg { animation: seg-draw .55s ease forwards; animation-delay: calc(.25s + var(--i, 0) * .12s); }
.skybar .skymap .seg, html:not(.has-js) .skymap .seg { animation-duration: .01s; animation-delay: 0s; }
@keyframes seg-draw { to { stroke-dashoffset: 0; } }
.skymap .seg.lit { stroke: var(--gold); filter: drop-shadow(0 0 4px rgba(245,169,60,.7)); }
.skymap .star { cursor: pointer; }
.skymap .star .halo { fill: var(--gold); opacity: .07; transition: opacity .4s; }
.skymap .star .core { fill: #EEF0FA; stroke: var(--term-bg); stroke-width: 2.5; filter: drop-shadow(0 0 5px rgba(238,240,250,.7)); transition: fill .4s, r .4s, filter .4s; }
.skymap .star text { font: 800 13px var(--mono); fill: var(--dim); letter-spacing: .1em; transition: fill .4s; }
.skymap .star:hover .halo, .skymap .star.now .halo { opacity: .32; }
.skymap .star.lit .core { fill: var(--gold); filter: drop-shadow(0 0 7px rgba(245,169,60,.9)); }
.skymap .star.lit text { fill: var(--text); }
.skymap .star.now .core { r: 8; fill: #fff; filter: drop-shadow(0 0 12px var(--gold)); }
.skymap .star.now text { fill: var(--gold); }
.skybar { position: fixed; top: 58px; left: 0; right: 0; z-index: 48; height: 0; overflow: hidden;
  background: color-mix(in srgb, var(--term-bg) 92%, transparent); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(245,169,60,.22); transition: height .35s cubic-bezier(.2,.8,.2,1); }
.skybar .skymap .seg { stroke-width: 2.4; }
.skybar .skymap .star .core { r: 7; }
.skybar.show { height: 64px; }
.skybar .skymap { display: block; width: 100%; max-width: 1120px; height: 64px; margin: 0 auto; padding: 4px 24px; }
.skybar .skymap text, .skybar .skymap .axis, .skybar .skymap .bgst { display: none; }
@media (max-width: 820px) { .skybar.show { height: 46px; } .skybar .skymap { height: 46px; } }

/* -- 劇場模式：播片段時全頁壓暗、只亮該格 -- */
body.theater::after { content: ""; position: fixed; inset: 0; z-index: 40; background: rgba(8,10,24,.74); pointer-events: none; animation: th-in .35s ease; }
@keyframes th-in { from { opacity: 0; } to { opacity: 1; } }
.segment.on-stage { z-index: 45; box-shadow: 0 30px 90px rgba(0,0,0,.7), 0 0 0 1px rgba(245,169,60,.5); }
body.theater .skybar { opacity: 0; }

/* -- end card：整集海報＋再看一次 -- */
.endcard { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(22px, 4vw, 48px); align-items: center;
  margin: 30px 0 10px; padding: 30px; border-radius: 24px; background: var(--card); border: 1.5px solid var(--card-line); backdrop-filter: blur(8px); }
@media (max-width: 820px) { .endcard { grid-template-columns: 1fr; padding: 18px; } }
.end-text .k { font: 800 11px/1 var(--mono); letter-spacing: .3em; color: var(--pink); margin: 0 0 12px; text-transform: uppercase; }
.end-text h3 { font-family: var(--display); font-size: clamp(20px, 2.6vw, 28px); font-weight: 800; line-height: 1.35; margin: 0 0 8px; text-wrap: balance; }
.end-text .d { font: 700 12px/1.6 var(--mono); letter-spacing: .1em; color: var(--dim); margin: 0 0 18px; }

/* -- chat 氣泡 → 直播聊天室樣式 -- */
.chat { border-radius: 14px; padding: 10px 14px 10px 12px; background: var(--term-bg); border-color: rgba(99,199,178,.3); color: var(--text); font-weight: 600; }
.chat span { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, var(--gold), var(--pink)); display: grid; place-items: center; font-size: 13px; flex-shrink: 0; }
.chat::before { content: "LIVE CHAT"; display: block; position: absolute; font: 800 9px/1 var(--mono); letter-spacing: .2em; color: var(--mint); transform: translateY(-16px); }
.chat { position: relative; margin-top: 22px; }

/* 定格 + 播放鍵 */
.segment { position: relative; display: block; border-radius: 18px; overflow: hidden; background: var(--term-bg);
  aspect-ratio: 16 / 9; border: 1.5px solid var(--card-line); box-shadow: 0 24px 60px rgba(5,6,20,.45); text-decoration: none; }
.poster { position: absolute; inset: 0; cursor: pointer; display: grid; place-items: center; z-index: 2; transition: opacity .35s; }
.poster img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.poster.big img { object-position: center; }
.poster svg { width: 62%; opacity: .8; position: absolute; }
.poster::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,12,30,0) 40%, rgba(10,12,30,.55)); }
.poster .play { position: relative; z-index: 3; width: 68px; height: 68px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(245,169,60,.94); color: #2A1650; font-size: 24px; padding-left: 5px;
  box-shadow: 0 10px 34px rgba(245,169,60,.45), 0 0 0 10px rgba(245,169,60,.16); transition: transform .3s cubic-bezier(.2,1.4,.4,1); }
.poster.big .play { width: 88px; height: 88px; font-size: 32px; }
.poster:hover .play { transform: scale(1.12); }
.poster:hover img { transform: scale(1.04); }
.poster .pf { position: absolute; left: 16px; top: 12px; z-index: 3; font: 900 34px/1 var(--mono); color: rgba(255,255,255,.85); letter-spacing: -.02em;
  text-shadow: 0 2px 12px rgba(0,0,0,.6); }
.segment .yt-slot, .segment .yt-slot > div, .segment iframe, .segment video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.segment.playing .poster { opacity: 0; pointer-events: none; }
.segment video { z-index: 1; object-fit: cover; }

.lede { font-family: var(--serif); font-size: clamp(17px, 2.1vw, 21px); line-height: 1.95; color: var(--text); margin: 40px auto 12px; letter-spacing: .02em; }
.lede::first-letter { font-family: var(--display); font-size: 3.1em; font-weight: 800; color: var(--gold); float: left; line-height: .85; padding: 6px 10px 0 0; }

.spreads { padding: 20px 24px 10px; max-width: 1120px; }
.spread { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(22px, 4vw, 56px); align-items: center; padding: 34px 0; }
.spread:nth-of-type(even) .sp-media { order: 2; }
@media (max-width: 820px) { .spread { grid-template-columns: 1fr; gap: 18px; padding: 24px 0; } .spread:nth-of-type(even) .sp-media { order: 0; } }
.sp-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 8px; }
.folio { font: 900 46px/1 var(--mono); color: var(--gold); letter-spacing: -.03em; opacity: .9; }
.rng { font: 700 12px/1 var(--mono); letter-spacing: .08em; color: var(--mint); border: 1px solid rgba(99,199,178,.4); border-radius: 999px; padding: 6px 12px; }
.sp-text h2 { font-family: var(--display); font-size: clamp(21px, 2.6vw, 28px); font-weight: 800; line-height: 1.4; margin: 6px 0 12px; text-wrap: balance; }
.narr p { font-size: 15.5px; line-height: 1.95; color: var(--text); opacity: .92; margin: 0 0 12px; }
.narr ul, .narr ol { padding-left: 22px; margin: 0 0 12px; }
.narr li { font-size: 15px; line-height: 1.9; }
/* -- 版面節奏：hero / wide 全幅＋雙欄、pair 兩段並排 -- */
.spread.hero, .spread.wide { grid-template-columns: 1fr; gap: 26px; align-items: start; }
.spread.hero .sp-media, .spread.wide .sp-media { order: 0 !important; }
.spread.hero .segment { aspect-ratio: 21 / 9; }
.spread.hero .segment .poster img, .spread.wide .segment .poster img { object-position: center 35%; }
.sp-text.cols { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 0 clamp(24px, 4vw, 56px); align-items: start; }
.sp-text.cols .sp-head, .sp-text.cols h2 { grid-column: 1 / -1; }
.sp-text.cols .narr { grid-column: 1; }
.sp-text.cols .beats, .sp-text.cols .callout, .sp-text.cols .chat { grid-column: 2; }
.sp-text.cols:not(:has(.beats, .callout, .chat)) .narr { grid-column: 1 / -1; max-width: 68ch; }
@media (max-width: 820px) { .sp-text.cols { grid-template-columns: 1fr; } .sp-text.cols > * { grid-column: 1 !important; } .spread.hero .segment { aspect-ratio: 16 / 9; } }

.spread.pair { grid-template-columns: 1fr 1fr; gap: clamp(18px, 3vw, 36px); align-items: start; }
@media (max-width: 820px) { .spread.pair { grid-template-columns: 1fr; } }
.pair-item .sp-media { margin-bottom: 14px; }
.pair-item .folio { font-size: 32px; }
.pair-item h2 { font-size: clamp(18px, 2.1vw, 22px); }
.pair-item .narr p { font-size: 14.5px; }

/* -- 文字小塊：beats / callout / chat -- */
.beats { list-style: none; margin: 8px 0 14px; padding: 0; }
.beats li { position: relative; padding: 6px 0 6px 24px; font-size: 14.5px; line-height: 1.75; color: var(--text); opacity: .92; border-bottom: 1px dashed var(--card-line); }
.beats li:last-child { border-bottom: 0; }
.beats li::before { content: "✦"; position: absolute; left: 2px; top: 7px; color: var(--gold); font-size: 12px; }
.callout { background: rgba(245,169,60,.07); border: 1.5px solid rgba(245,169,60,.28); border-radius: 14px; padding: 14px 18px; margin: 8px 0 14px; }
.callout b { display: block; font: 800 11px/1 var(--mono); letter-spacing: .2em; color: var(--gold); margin-bottom: 8px; text-transform: uppercase; }
.callout p { font-size: 14px; line-height: 1.8; margin: 0 0 8px; color: var(--text); opacity: .92; }
.callout p:last-child { margin-bottom: 0; }
.chat { display: flex; gap: 10px; align-items: flex-start; background: var(--card); border: 1.5px solid var(--card-line); border-radius: 4px 16px 16px 16px; padding: 10px 14px; margin: 8px 0 14px; font-size: 14px; line-height: 1.7; color: var(--text); font-family: var(--round); font-weight: 700; }
.chat span { flex-shrink: 0; }
.pull.break { margin: 10px auto 6px; padding: 26px 20px; border-block: 1px solid var(--card-line); }

.after { margin: 26px 0 8px; }
.after h2 { font-family: var(--display); font-size: clamp(20px, 2.6vw, 26px); font-weight: 800; margin: 0 0 12px; }
.after p { font-size: 15.5px; line-height: 1.95; color: var(--text); opacity: .92; margin: 0 0 14px; }
.after a.inl, .narr a.inl { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }
.after code.inl, .narr code.inl { font: 500 .88em var(--mono); background: rgba(99,199,178,.12); color: var(--mint); padding: 1px 6px; border-radius: 5px; }

/* ============================================================
   ARTICLE — 舊版樣式（timeline 等，保留給無高光文章）
   ============================================================ */
.art-hero { text-align: center; padding: 130px 20px 30px; position: relative; }
.art-hero .eyebrow { font: 800 12px/1 var(--mono); letter-spacing: .3em; color: var(--pink); text-transform: uppercase; margin: 0 0 16px; }
.art-hero h1 { font-family: var(--display); font-size: clamp(28px, 5vw, 50px); font-weight: 800; letter-spacing: .03em; line-height: 1.35; margin: 0 auto 18px; max-width: 820px; text-wrap: balance; text-shadow: 0 0 28px rgba(255,123,213,.35); }
.art-hero .sub { color: var(--dim); font-size: clamp(14px, 1.8vw, 17px); max-width: 640px; margin: 0 auto 22px; font-family: var(--serif); }
.art-meta { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; align-items: center; font: 700 12px/1 var(--mono); letter-spacing: .1em; color: var(--dim); }
.art-meta .vod { color: var(--gold); text-decoration: none; border: 1.5px solid rgba(242,206,107,.45); border-radius: 999px; padding: 7px 16px; transition: transform .2s, box-shadow .2s; }
.art-meta .vod:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(242,206,107,.3); }

.art-tags { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: 20px 0 0; }
.art-tags span { font: 700 11px/1 var(--mono); color: var(--mint); border: 1px solid rgba(155,242,227,.35); border-radius: 4px; padding: 4px 9px; }

.art-body { padding: 34px 0 40px; }
.art-body h2 { font-family: var(--display); font-size: clamp(20px, 2.8vw, 27px); font-weight: 800; letter-spacing: .04em; margin: 44px 0 14px; }
.art-body h2 .no { color: var(--gold); margin-right: 10px; font-family: var(--mono); font-size: .7em; }
.art-body h3 { font-family: var(--display); font-size: 18px; font-weight: 800; margin: 28px 0 10px; color: var(--text); }
.art-body p { font-size: 15.5px; line-height: 1.95; margin: 0 0 16px; color: #E4E0FA; }
.art-body ul, .art-body ol { padding-left: 22px; margin: 0 0 18px; }
.art-body li { font-size: 15px; line-height: 1.9; margin-bottom: 6px; color: #E4E0FA; }
.art-body a.inl { color: var(--gold); text-decoration: underline; text-decoration-color: rgba(242,206,107,.4); text-underline-offset: 3px; }
.art-body a.inl:hover { color: var(--pink); }
.art-body code.inl { font: 500 .88em var(--mono); background: rgba(155,242,227,.12); color: var(--mint); padding: 1px 6px; border-radius: 5px; }
.art-body strong { color: var(--text); font-weight: 800; }

/* TL;DR card */
.tldr { display: flex; gap: 16px; align-items: flex-start; background: rgba(242,206,107,.06); border: 1.5px solid rgba(242,206,107,.28); border-radius: 16px; padding: 22px 26px; margin: 8px 0 10px; }
.tldr .k { font: 900 12px/1.4 var(--mono); letter-spacing: .18em; color: var(--gold); flex-shrink: 0; padding-top: 3px; }
.tldr p { margin: 0; font-family: var(--serif); font-size: 15.5px; color: #EDE9FF; line-height: 1.85; }

/* highlight timeline = constellation */
.timeline { list-style: none; margin: 8px 0 10px; padding: 0 0 0 4px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, transparent, rgba(242,206,107,.5) 12%, rgba(242,206,107,.5) 88%, transparent); }
.timeline li { position: relative; padding: 10px 0 10px 40px; }
.timeline li::before { content: "✦"; position: absolute; left: 0; top: 8px; width: 24px; text-align: center; color: var(--gold); font-size: 15px; filter: drop-shadow(0 0 6px rgba(242,206,107,.8)); transition: transform .25s; }
.timeline li:hover::before { transform: scale(1.35) rotate(15deg); }
.timeline a.tl { display: flex; gap: 14px; align-items: baseline; text-decoration: none; color: var(--text); }
.timeline .t { font: 700 12px/1 var(--mono); letter-spacing: .06em; color: var(--mint); flex-shrink: 0; min-width: 62px; padding-top: 2px; }
.timeline .ti { font-family: var(--round); font-weight: 700; font-size: 15px; line-height: 1.5; }
.timeline a.tl:hover .ti { color: var(--gold); }

/* pull quote */
.pull { font-family: var(--serif); font-size: clamp(18px, 2.6vw, 24px); line-height: 1.6; color: var(--text); text-align: center; max-width: 640px; margin: 34px auto; padding: 0 20px; position: relative; }
.pull::before, .pull::after { color: var(--gold); font-size: 1.4em; opacity: .6; }
.pull::before { content: "「"; } .pull::after { content: "」"; }

/* terminal code block (shared with home) */
.term { max-width: 100%; margin: 22px 0; background: var(--term-bg); border: 1.5px solid rgba(99,199,178,.3); border-radius: 12px; overflow: hidden; box-shadow: 0 18px 60px rgba(5,3,20,.5); }
.term-bar { display: flex; gap: 7px; padding: 11px 14px; background: rgba(155,242,227,.08); border-bottom: 1px solid rgba(155,242,227,.18); }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #FF5F57; }
.term-bar i:nth-child(2) { background: #FEBC2E; }
.term-bar i:nth-child(3) { background: #28C840; }
.term pre { margin: 0; padding: 18px 20px; font: 500 13px/1.9 var(--mono); color: var(--mint); white-space: pre; overflow-x: auto; }
.term .lang { margin-left: auto; font: 700 10px/1 var(--mono); letter-spacing: .16em; color: var(--dim); align-self: center; }

/* next-up + article footer nav */
.nextup { background: var(--card); border: 1.5px solid var(--card-line); border-left: 3px solid var(--pink); border-radius: 0 14px 14px 0; padding: 20px 24px; margin: 36px 0; }
.nextup .k { font: 800 11px/1 var(--mono); letter-spacing: .2em; color: var(--pink); margin: 0 0 8px; }
.nextup p { margin: 0; font-size: 15px; color: #E4E0FA; }

.art-nav { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--card-line); padding: 30px 0 10px; flex-wrap: wrap; }
.art-nav a { text-decoration: none; color: var(--dim); font: 700 13px/1.5 var(--round); max-width: 45%; transition: color .25s; }
.art-nav a:hover { color: var(--gold); }
.art-nav a .lbl { display: block; font: 700 10px/1 var(--mono); letter-spacing: .18em; color: var(--pink); margin-bottom: 6px; }
.art-nav a.nx { text-align: right; margin-left: auto; }

.back-list { display: inline-flex; gap: 8px; align-items: center; font: 500 13px/1 var(--round); letter-spacing: .06em; color: var(--gold); text-decoration: none; margin: 30px 0 0; }
.back-list:hover { color: var(--pink); }

/* ---------- footer ---------- */
footer { position: relative; z-index: 1; border-top: 1px solid var(--hair); background: var(--panel-bg); backdrop-filter: blur(10px); padding: 44px 24px 90px; text-align: center; margin-top: 40px; }
.foot-links { display: flex; gap: clamp(14px, 3vw, 30px); justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.foot-links a { color: var(--dim); text-decoration: none; font: 700 13px/1 var(--round); letter-spacing: .1em; transition: color .25s, transform .25s; display: inline-block; }
.foot-links a:hover, .foot-links a:focus-visible { color: var(--gold); transform: translateY(-2px); }
footer .myth-line { font-family: var(--serif); color: #736DA0; font-size: 13px; letter-spacing: .14em; margin: 0 0 8px; }
footer .cr { color: #5A5484; font: 500 11px/1 var(--mono); letter-spacing: .18em; margin: 0; }

/* ---------- back-to-top ---------- */
#top { position: fixed; right: 22px; bottom: 22px; z-index: 55; width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid rgba(245,169,60,.6); background: var(--panel-bg); color: var(--gold); font-size: 18px; cursor: pointer; backdrop-filter: blur(6px); opacity: 0; pointer-events: none; transition: opacity .4s, transform .3s; }
#top.show { opacity: 1; pointer-events: auto; }
#top:hover { transform: translateY(-4px); }
#top:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

@media (max-width: 620px) { #nav ul { gap: 12px; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01s !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: .01s !important; }
  [data-rv] { opacity: 1 !important; transform: none !important; }
}