/* layout.css — 寬版佈局與整體視覺升級
   版心 1160px；文章閱讀欄 780px（右側是目錄）；頂欄吸頂毛玻璃；首屏左右兩欄；首頁文章卡片化 */
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
html{scroll-padding-top:96px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
:root{padding-top:0}
.wrap{max-width:1160px;padding:0 clamp(20px,4vw,48px)}

/* ---------- 頂欄：高度恆定（捲動時只改背景，絕不改變版面高度，否則會與捲動位置互相拉扯造成抽搐） ---------- */
.topbar{position:sticky;top:0;z-index:25;padding-top:env(safe-area-inset-top,0px);transition:background .3s,box-shadow .3s}
.topbar nav{height:76px;padding:0;font-size:15px}
.topbar nav .logo{font-size:22px}
.topbar nav ul{gap:30px}
.topbar.scrolled{background:var(--bg);box-shadow:0 1px 0 var(--line)}
@supports (color:color-mix(in srgb,red 50%,blue)){.topbar.scrolled{background:color-mix(in srgb,var(--bg) 93%,transparent)}}
/* 閱讀進度條：用 transform 縮放（不觸發版面計算） */
#bar{z-index:30;width:100%;transform:scaleX(0);transform-origin:left;will-change:transform}

/* ---------- 首屏：左文字、右 3D ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1fr) clamp(220px,28vw,330px);gap:32px;align-items:center;padding:clamp(40px,7vw,96px) 0 clamp(56px,7vw,88px)}
.hero>*{animation:none}
.hero-text>*{animation:rise .8s var(--ease) backwards}
.hero-text>:nth-child(1){animation-delay:.05s}
.hero-text>:nth-child(2){animation-delay:.15s}
.hero-text>:nth-child(3){animation-delay:.28s}
.hero-text>:nth-child(4){animation-delay:.4s}
.hero h1{font-size:clamp(38px,5.2vw,62px);line-height:1.2;margin:18px 0 26px}
.hero .lead{font-size:clamp(16px,1.5vw,19px);max-width:30em}
.stats{gap:0;margin-top:44px;padding-top:30px}
.stats>div{padding-right:44px}
.stats>div+div{padding-left:44px;border-left:1px solid var(--line)}
.stats b{font-size:clamp(30px,4vw,46px);line-height:1.1}
.hero::before{content:"";position:absolute;z-index:-2;inset:-70px calc(50% - 50vw) -20px;background-image:radial-gradient(var(--line) 1px,transparent 1.3px);background-size:26px 26px;-webkit-mask-image:radial-gradient(55% 80% at 72% 38%,#000,transparent 75%);mask-image:radial-gradient(55% 80% at 72% 38%,#000,transparent 75%)}
@supports (color:color-mix(in srgb,red 50%,blue)){
  .hero::before{background-image:radial-gradient(color-mix(in srgb,var(--fg) 24%,transparent) 1px,transparent 1.3px)}
}
.hero-art{position:relative;height:380px;pointer-events:none;animation:fade 1.2s var(--ease) .4s backwards}
.scene{right:auto;top:50%;left:50%;margin:-100px 0 0 -100px;z-index:0;transform:scale(1.5)}
.seal{pointer-events:auto;right:6%;bottom:4%}
@media (max-width:960px){
  .hero{grid-template-columns:1fr}
  .hero-art{position:absolute;z-index:-1;right:-12px;top:-14px;width:220px;height:220px;opacity:.5}
  .scene{transform:scale(.85)}
  .seal{display:none}
  .stats>div{padding-right:28px}.stats>div+div{padding-left:28px}
}

/* ---------- 區塊標題：帶延伸線 ---------- */
#writing>h2,#about>h2,#sub>h2,#aboutPage h2{display:flex;align-items:center;gap:18px;font-size:13px}
#writing>h2::after,#about>h2::after,#sub>h2::after,#aboutPage h2::after{content:"";flex:1;height:1px;background:var(--line)}
#writing>h2{margin:0 0 28px}

/* ---------- 首頁文章：大幅精選卡 + 雙欄卡片 ---------- */
#homeList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
#homeList .post{display:flex;flex-direction:column;align-items:flex-start;gap:12px;min-height:240px;padding:32px 32px 28px;border:1px solid var(--line);border-radius:22px;background:var(--card);overflow:hidden}
#homeList .post:first-child{grid-column:1/-1;min-height:300px;padding:44px;background:linear-gradient(135deg,var(--card) 42%,var(--glow))}
#homeList .post .no{position:absolute;right:28px;bottom:-8px;font:900 clamp(64px,9vw,124px)/1 var(--serif);color:transparent;-webkit-text-stroke:1.2px var(--line);user-select:none;transition:transform .5s var(--ease)}
#homeList .post:hover .no{transform:translateY(-8px) scale(1.05)}
#homeList .post .ph{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
#homeList .post .tag{margin:0}
#homeList .post .meta{white-space:normal}
#homeList .post h3{max-width:88%;font-size:clamp(22px,2.2vw,27px);line-height:1.4}
#homeList .post:first-child h3{max-width:20em;font-size:clamp(28px,3.6vw,42px);line-height:1.3}
#homeList .post p{grid-column:auto;max-width:42em;margin:0;font-size:16px}
#homeList .post .go{margin-top:auto;padding-top:14px;color:var(--accent);font-size:14px;transition:transform .35s var(--ease)}
#homeList .post:hover .go{transform:translateX(8px)}
#homeList .post::before{inset:0;border-radius:22px;box-shadow:0 30px 50px -32px rgba(40,20,10,.55),0 0 0 1px var(--accent)}
#homeList .post:hover{transform:perspective(1000px) translateY(-6px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))}
@media (max-width:760px){#homeList{grid-template-columns:1fr}#homeList .post:first-child{padding:32px;min-height:260px}}

/* ---------- 引言、關於 + 訂閱 ---------- */
.quote{position:relative;margin:clamp(72px,9vw,120px) 0;padding:clamp(40px,6vw,72px) clamp(28px,7vw,96px);border:1px solid var(--line);border-left:1px solid var(--line);border-radius:26px;background:var(--card);font-size:clamp(20px,2.7vw,32px);line-height:1.8;text-align:center}
.quote::before{content:"“";position:absolute;left:50%;top:-14px;transform:translateX(-50%);font:900 120px/1 var(--serif);color:var(--accent);opacity:.28}
.quote small{margin-top:18px;font-size:14px}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:24px}
#about,#sub{padding:36px;border:1px solid var(--line);border-radius:22px;background:var(--card)}
#about p,#sub p{max-width:32em}
#about .more{margin-top:6px}
@media (max-width:860px){.duo{grid-template-columns:1fr}}

/* ---------- 頁尾 ---------- */
footer{display:grid;grid-template-columns:1.4fr 1fr auto;gap:24px 56px;align-items:start;margin-top:clamp(80px,10vw,140px);padding:44px 0 56px;font-size:14px}
.ft-brand b{display:block;margin-bottom:6px;font:900 26px var(--serif);letter-spacing:.06em;color:var(--fg)}
.ft-brand b i{color:var(--accent);font-style:normal}
.ft-links{display:flex;gap:24px;flex-wrap:wrap}
.ft-links a{transition:color .2s}
.ft-links a:hover{color:var(--accent)}
footer small{font-size:13px}
@media (max-width:760px){footer{grid-template-columns:1fr}}

/* ---------- 文章頁：780px 閱讀欄，目錄在右側 ---------- */
#article{max-width:780px;margin:0 auto;padding-top:48px}
#article h1{font-size:clamp(32px,5vw,56px);line-height:1.22}
#article .body h2{scroll-margin-top:96px}

/* ---------- 歸檔頁：標題與搜尋左右排布，列表帶簡介 ---------- */
.arc-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:24px 64px;align-items:end;margin-bottom:8px}
.arc-head .lead{margin-bottom:0}
.arc-head .tools{margin:0 0 6px}
@media (max-width:900px){.arc-head{grid-template-columns:1fr}.arc-head .lead{margin-bottom:18px}}
.yr{font-size:clamp(72px,15vw,148px)}
.arow{grid-template-columns:96px minmax(0,1fr) auto;gap:6px 28px;align-items:start;padding:26px 0}
.arow time{padding-top:6px}
.arow h4{font-size:clamp(19px,2vw,24px)}
.at{min-width:0}
.sum{margin:6px 0 0;max-width:46em;color:var(--mute);font-size:15px;line-height:1.75}
.am{padding-top:8px}
@media (max-width:700px){.arow{grid-template-columns:52px 1fr}.am{grid-column:2;padding-top:0}.sum{display:none}}

/* ---------- 關於頁：兩欄 ---------- */
.avatar{width:112px;height:112px;font-size:50px}
.ab-head{gap:28px}
#aboutPage h1{font-size:clamp(34px,6vw,60px)}
#aboutPage .lead{max-width:40em;font-size:clamp(16px,1.6vw,19px)}
.ab-cols{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(32px,7vw,110px)}
.ab-cols>div>h2:first-child{margin-top:48px}
@media (max-width:860px){.ab-cols{grid-template-columns:1fr}}

/* ---------- 背景光球更大；容器多留出空間，視差位移時不會露出空隙 ---------- */
.orbs{bottom:-220px;transform:translate3d(0,0,0);will-change:transform}
.orbs i:nth-child(1){width:min(60vw,760px)}
.orbs i:nth-child(2){width:min(52vw,640px)}

/* 頁尾是最後一個元素：位移動畫會撐大頁面可捲動高度，動畫結束時高度回縮、捲動位置被迫往回縮 → 抽搐。故只做淡入 */
footer.reveal{transform:none}