/* 主站樣式 — 墨與星光（規格書 v1.1 / 風格板 v3） */
* { margin:0; padding:0; box-sizing:border-box; }
:root {
  --ink:#0b0b0d; --paper:#e9e7e2; --dim:#8a9096; --faint:#565c62; --ghost:#3d4348;
  --hair:rgba(255,255,255,.07); --star:#9fd4e8;
  --mono:Menlo,'SF Mono',monospace;
  --sans:'Helvetica Neue',-apple-system,'PingFang TC',sans-serif;
  --serifzh:'Songti TC','Noto Serif TC','Source Han Serif TC',serif;
  --serifen:Georgia,'Times New Roman',serif;
}
html { scroll-behavior:smooth; }
body { background:var(--ink); color:var(--paper); font-family:var(--sans); overflow-x:hidden; }
html[data-lang="zh"] body { font-family:'PingFang TC',var(--sans); }
a { color:inherit; text-decoration:none; }
#stars { position:fixed; inset:0; z-index:0; pointer-events:none; }
main { position:relative; z-index:1; }
.wrap { max-width:1440px; margin:0 auto; padding:0 64px; }

/* ---------- nav ---------- */
nav {
  position:fixed; top:0; left:0; right:0; z-index:50; height:72px;
  display:flex; align-items:center; padding:0 64px;
  border-bottom:1px solid var(--hair);
  background:linear-gradient(rgba(11,11,13,.82), rgba(11,11,13,.55) 80%, transparent);
  backdrop-filter:blur(8px);
}
nav .ap { width:26px; height:26px; color:#9fb4c0; transition:transform .8s; }
nav .ap:hover { transform:rotate(60deg); }
nav .menu { margin-left:auto; display:flex; gap:44px; }
nav .menu a { font:11px var(--mono); letter-spacing:.28em; color:var(--dim); transition:color .25s; }
nav .menu a:hover { color:var(--paper); text-shadow:0 0 14px rgba(159,212,232,.45); }
/* True Focus（nav）：hover 觸發——移到哪項哪項清晰＋括號框，其餘輕微模糊仍可辨識 */
nav .menu.nav-focus { position:relative; }
nav .menu.nav-focus a { transition:filter .35s ease, opacity .35s ease, color .25s; }
nav .menu.nav-focus.nf-active a:not(.nf-on) { filter:blur(.9px); opacity:.7; }
nav .menu.nav-focus a.nf-on { filter:blur(0); opacity:1; color:var(--paper); }
.nav-focus-frame { position:absolute; top:0; left:0; pointer-events:none; opacity:0;
  transition:transform .35s ease, width .35s ease, height .35s ease, opacity .25s ease; }
.nav-focus-frame .c { position:absolute; width:7px; height:7px;
  border:2px solid #a8d8ee; border-radius:2px; filter:drop-shadow(0 0 4px rgba(168,216,238,.7)); }
.nav-focus-frame .tl { top:-7px; left:-9px; border-right:none; border-bottom:none; }
.nav-focus-frame .tr { top:-7px; right:-9px; border-left:none; border-bottom:none; }
.nav-focus-frame .bl { bottom:-7px; left:-9px; border-right:none; border-top:none; }
.nav-focus-frame .br { bottom:-7px; right:-9px; border-left:none; border-top:none; }
#langBtn {
  margin-left:52px; font:10.5px var(--mono); letter-spacing:.2em; color:var(--faint);
  border:1px solid #23282d; border-radius:16px; padding:5px 14px;
  background:none; cursor:pointer; transition:all .25s;
}
#langBtn:hover { color:var(--star); border-color:#3d5a6b; }

/* ---------- 共用區塊語法 ---------- */
section { padding:150px 0 110px; position:relative; }
.sechead { display:flex; align-items:baseline; gap:34px; margin-bottom:20px; flex-wrap:wrap; }
.sec { font:11px var(--mono); letter-spacing:.5em; color:var(--dim); }
h2 { font-size:50px; font-weight:200; letter-spacing:.03em; }
html[data-lang="zh"] h2 { font-family:var(--serifzh); font-weight:300; letter-spacing:.18em; }
.more { margin-left:auto; font:11px var(--mono); letter-spacing:.3em; color:var(--faint); }
.lead { color:var(--dim); font-size:15.5px; max-width:620px; line-height:1.9; margin-bottom:58px;
  font-family:var(--serifen); }
html[data-lang="zh"] .lead { font-family:var(--serifzh); }

/* 捲動浮現 */
.rv { opacity:0; transform:translateY(34px); transition:opacity .9s ease, transform .9s cubic-bezier(.2,.7,.3,1); }
.rv.in { opacity:1; transform:none; }

/* ---------- hero ---------- */
#hero { min-height:100vh; display:grid; grid-template-columns:1.5fr 1fr; padding:72px 0 0; }
/* Threads 動態背景層：鋪滿 hero、置底、不擋內容 */
#hero .hero-threads { position:absolute; inset:0; z-index:0; pointer-events:none; overflow:hidden; opacity:.6; }
#hero > :not(.hero-threads) { position:relative; z-index:1; }
#hero .left { display:flex; flex-direction:column; justify-content:center; padding:0 0 0 64px; }
#hero .kicker { font:12px var(--mono); letter-spacing:.5em; color:var(--dim); }
#hero h1 { font-size:clamp(72px,8.5vw,124px); font-weight:200; letter-spacing:.05em; line-height:1.04; margin:28px 0 10px; }
#hero h1 b { font-weight:200; color:#a8d8ee; }   /* EN 版跳色：淡藍 */
html[data-lang="zh"] #hero h1 { font-family:var(--serifzh); font-weight:300; letter-spacing:.14em; font-size:clamp(60px,7vw,100px); }
#hero .bio { max-width:560px; color:#aab0b6; line-height:2.05; font-size:15.5px; margin-top:40px; font-family:var(--serifen); }
html[data-lang="zh"] #hero .bio { font-family:var(--serifzh); }
#hero .right { display:flex; align-items:center; justify-content:flex-end; padding-right:96px; }
#hero .portrait img { width:100%; max-width:236px; display:block;
  filter:grayscale(.25) brightness(.9); border:1px solid var(--hair); }
/* 數據帶：沿底部一條細線水平展開（編輯排版式留白） */
#hero .statsband {
  position:absolute; left:64px; right:64px; bottom:96px;
  display:flex; justify-content:space-between; gap:24px;
  border-top:1px solid var(--hair); padding-top:26px;
}
#hero .stat b { display:block; font:200 30px var(--mono); letter-spacing:.04em; }
#hero .stat span { font:10px var(--mono); letter-spacing:.3em; color:var(--faint); }
/* 跳色：EN 版點在名字上；ZH 版用一道星光藍短線 */
#hero .accentline { display:none; width:280px; height:2px; margin-bottom:30px;
  background:var(--star); box-shadow:0 0 14px rgba(159,212,232,.7); }
html[data-lang="zh"] #hero .accentline { display:block; }
#hero .stat b { display:block; font:200 42px var(--mono); letter-spacing:.04em; }
#hero .stat span { font:10.5px var(--mono); letter-spacing:.34em; color:var(--faint); }
#hero .scrollcue { position:absolute; bottom:26px; left:50%; transform:translateX(-50%);
  font:10px var(--mono); letter-spacing:.5em; color:var(--ghost); }
#hero .scrollcue::after { content:""; display:block; width:1px; height:26px; margin:8px auto 0;
  background:linear-gradient(var(--ghost),transparent); }

/* ---------- interlude 過渡人像 ---------- */
#interlude { padding:60px 0; }
.inter { display:grid; grid-template-columns:340px 1fr; gap:70px; align-items:center; }
.iphoto img { width:100%; display:block; filter:grayscale(1) brightness(.9); border:1px solid var(--hair); }
.iq { font-size:clamp(20px,2.2vw,28px); font-weight:200; line-height:1.9; color:#b9bec3;
  font-family:var(--serifen); font-style:italic; max-width:560px; }
html[data-lang="zh"] .iq { font-family:var(--serifzh); font-style:normal; letter-spacing:.12em; }

/* ---------- 卡片（work / ai） ---------- */
.grid3 { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.grid4 { display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.card {
  background:#101013; border:1px solid var(--hair); padding:30px 28px;
  transition:border-color .35s, box-shadow .35s, transform .35s;
}
.card:hover { border-color:rgba(159,212,232,.3); box-shadow:0 0 70px rgba(159,212,232,.08); transform:translateY(-4px); }
.card .tag { font:10px var(--mono); letter-spacing:.24em; color:var(--star); opacity:.75; }
.card h3 { font-size:18px; font-weight:400; letter-spacing:.03em; margin:16px 0 12px; line-height:1.5; }
html[data-lang="zh"] .card h3 { font-family:var(--serifzh); letter-spacing:.08em; }
.card p { color:var(--dim); font-size:13.5px; line-height:1.85; }
.card .m { margin-top:18px; font:10.5px var(--mono); letter-spacing:.12em; color:#7d98a8; }

/* ---------- essays ---------- */
.essaylist { border-top:1px solid var(--hair); }
.essayrow {
  display:grid; grid-template-columns:1fr 1.2fr auto; gap:40px; align-items:baseline;
  padding:30px 8px; border-bottom:1px solid var(--hair); cursor:pointer;
  transition:background .3s, padding-left .3s;
}
.essayrow:hover { background:rgba(159,212,232,.03); padding-left:20px; }
.essayrow .t { font-size:21px; font-weight:300; font-family:var(--serifen); font-style:italic; }
html[data-lang="zh"] .essayrow .t { font-family:var(--serifzh); font-style:normal; letter-spacing:.1em; }
.essayrow .d { color:var(--dim); font-size:13.5px; line-height:1.8; }
.essayrow .r { font:10px var(--mono); letter-spacing:.25em; color:var(--faint); }
.essayrow:hover .r { color:var(--star); }

/* ---------- photo：Aristide 式直條帶（可拖動長廊 + hover 展開） ---------- */
.strips { display:flex; gap:6px; height:520px; overflow-x:auto;
  scrollbar-width:none; cursor:grab; -webkit-overflow-scrolling:touch;
  user-select:none; }
.strips::-webkit-scrollbar { display:none; }
.strips.dragging { cursor:grabbing; }
.strip { position:relative; flex:0 0 116px; overflow:hidden; cursor:pointer;
  transition:flex-basis .5s cubic-bezier(.3,.8,.3,1); }
.strip img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  filter:grayscale(.55) brightness(.62); transition:filter .6s; pointer-events:none; }
.strip:hover { flex-basis:430px; }
.strip:hover img { filter:grayscale(0) brightness(.98); }
.strip .cap { position:absolute; left:0; right:0; bottom:0; padding:34px 16px 14px;
  display:flex; justify-content:space-between; align-items:baseline;
  background:linear-gradient(transparent, rgba(11,11,13,.78));
  opacity:0; transition:opacity .45s .15s; }
.strip:hover .cap { opacity:1; }
.strip .cap .t { font-size:14px; font-family:var(--serifen); color:var(--paper); white-space:nowrap; }
html[data-lang="zh"] .strip .cap .t { font-family:var(--serifzh); letter-spacing:.15em; }
.strip .cap .sig { font:9px var(--mono); letter-spacing:.2em; color:#9aa0a6; white-space:nowrap; }

/* ---------- music ---------- */
#music .coming {
  border:1px dashed #23282d; padding:52px; text-align:center;
  font:11px var(--mono); letter-spacing:.4em; color:var(--faint);
}

/* ---------- story 過渡段 ---------- */
#story {
  min-height:92vh; display:flex; flex-direction:column; align-items:center; justify-content:center;
  background:radial-gradient(ellipse at 50% 130%, rgba(20,60,75,.30) 0%, transparent 55%);
  text-align:center;
}
#story .line1 { font-size:clamp(24px,2.6vw,34px); font-weight:200; letter-spacing:.1em; color:#c8cdd2;
  font-family:var(--serifen); font-style:italic; }
html[data-lang="zh"] #story .line1 { font-family:var(--serifzh); font-style:normal; letter-spacing:.22em; }
#story .dim2 { font:12px var(--mono); color:var(--faint); letter-spacing:.4em; margin:24px 0 80px; }
#story .cli { font:22px var(--mono); color:#c9ced2; text-shadow:0 0 12px rgba(159,212,232,.4);
  cursor:pointer; padding:20px 34px; border:1px solid transparent; border-radius:8px;
  transition:border-color .4s, text-shadow .4s; }
#story .cli:hover { border-color:rgba(159,212,232,.25); text-shadow:0 0 22px rgba(159,212,232,.8); }
#story .cursor { display:inline-block; width:.6em; height:1.1em; background:#c9ced2; vertical-align:-.15em;
  box-shadow:0 0 12px rgba(159,212,232,.7); animation:blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity:0; } }
#story .hint2 { margin-top:70px; font:10px var(--mono); letter-spacing:.5em; color:var(--ghost); }

/* ---------- contact ---------- */
#contact { padding-bottom:60px; }
.cgrid { display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-bottom:90px; }
.citem { border:1px solid var(--hair); padding:26px; transition:border-color .35s, box-shadow .35s; display:block; }
.citem:hover { border-color:rgba(159,212,232,.3); box-shadow:0 0 60px rgba(159,212,232,.07); }
.citem .l { font:10px var(--mono); letter-spacing:.3em; color:var(--faint); }
.citem .v { font-size:14.5px; margin-top:12px; word-break:break-all; }
.citem .s { font:10px var(--mono); letter-spacing:.2em; color:var(--ghost); margin-top:8px; }
footer { display:flex; align-items:center; justify-content:space-between;
  padding:26px 0; border-top:1px solid var(--hair);
  font:10.5px var(--mono); letter-spacing:.25em; color:var(--ghost); }
footer a:hover { color:var(--dim); }

/* ---------- 閱讀模式（主站版：質感白 + 細宋，與隧道閱讀器同語彙） ---------- */
.essayrow { cursor:pointer; }
#mreader { position:fixed; inset:0; z-index:210; display:none;
  align-items:center; justify-content:center; background:rgba(4,4,6,.72);
  backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px); }
#mreader.on { display:flex; }
#mreader .paper { position:relative; width:min(720px,90vw); height:min(82vh,860px);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(160,175,190,.05), transparent 60%),
    linear-gradient(178deg,#fdfdfc,#f7f7f5 65%,#f3f3f1);
  box-shadow:0 40px 120px rgba(0,0,0,.7), inset 0 0 70px rgba(150,160,175,.06);
  border-radius:3px; animation:mrin .5s cubic-bezier(.2,.8,.3,1); }
@keyframes mrin { from { opacity:0; transform:translateY(26px) scale(.985); } }
#mreader .inner { position:absolute; inset:0; overflow-y:auto; padding:64px 68px 80px; }
#mreader h2 { font-family:"Songti TC","Songti SC","Noto Serif TC",Georgia,serif; font-weight:200;
  font-size:27px; letter-spacing:.24em; color:#2c313a; margin-bottom:8px; }
#mreader .rule { width:52px; height:1.5px; background:#7a8898; opacity:.5; margin:18px 0 30px; }
#mreader .intro { font:italic 14px/1.8 Georgia,serif; color:#5e6a78;
  border-left:2px solid rgba(122,136,152,.4); padding-left:16px; margin-bottom:30px; }
#mreader .rbody { font-family:"Songti TC","Songti SC","Noto Serif TC",Georgia,serif;
  font-weight:200; font-size:16.5px; line-height:2.25; color:#262b33; letter-spacing:.045em;
  white-space:pre-wrap; }
#mreader .rclose { position:absolute; top:16px; right:18px; width:34px; height:34px; z-index:3;
  border:1px solid rgba(90,100,115,.32); border-radius:50%; background:none;
  color:#5e6a78; font:15px Georgia,serif; cursor:pointer; }
#mreader .rclose:hover { background:rgba(90,100,115,.08); }
#mreader .rnav { position:absolute; bottom:0; left:0; right:0; display:flex;
  justify-content:space-between; padding:14px 24px;
  background:linear-gradient(transparent, rgba(246,246,244,.96) 42%); }
#mreader .rnav button { background:none; border:none; cursor:pointer;
  font-family:"Songti TC","Songti SC","Noto Serif TC",serif; font-weight:300; font-size:13px;
  letter-spacing:.15em; color:#5e6a78; padding:6px 10px; }
#mreader .rnav button:hover { color:#2c313a; }
@media (max-width:700px) { #mreader .inner { padding:44px 30px 70px; } }

/* ---------- 攝影長廊前後箭頭 ---------- */
.stripwrap { position:relative; }
.pnav { position:absolute; top:50%; transform:translateY(-50%); z-index:6;
  width:44px; height:44px; border-radius:50%;
  border:1px solid rgba(159,212,232,.35); background:rgba(8,10,14,.72);
  color:#9fd4e8; font-size:22px; line-height:1; cursor:pointer;
  backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px);
  transition:background .3s, border-color .3s; }
.pnav:hover { background:rgba(159,212,232,.16); border-color:rgba(159,212,232,.6); }
.pnav.prev { left:-10px; }
.pnav.next { right:-10px; }

/* ---------- 主頁音樂鈕 ---------- */
#musicToggle { position:fixed; left:22px; bottom:20px; z-index:60;
  width:42px; height:42px; border-radius:50%;
  border:1px solid rgba(159,212,232,.3); background:rgba(8,10,14,.65);
  color:#9fd4e8; font-size:16px; cursor:pointer;
  backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px);
  transition:all .3s; }
#musicToggle:hover { border-color:rgba(159,212,232,.6); }
#musicToggle.off { color:#4a5560; }
#musicToggle.playing { box-shadow:0 0 18px rgba(159,212,232,.25);
  animation:mpulse 2.6s ease-in-out infinite; }
@keyframes mpulse { 50% { box-shadow:0 0 30px rgba(159,212,232,.4); } }

/* ---------- 攝影燈箱：點開看原始比例 ---------- */
#plight { position:fixed; inset:0; z-index:210; display:none;
  align-items:center; justify-content:center; flex-direction:column; gap:18px;
  background:rgba(4,4,7,.9); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  cursor:zoom-out; }
#plight.on { display:flex; }
#plight img { max-width:92vw; max-height:82vh; object-fit:contain;
  box-shadow:0 40px 120px rgba(0,0,0,.8); animation:plin .45s cubic-bezier(.2,.8,.3,1); }
@keyframes plin { from { opacity:0; transform:scale(.965); } }
#plight .pcap { font:11px var(--mono); letter-spacing:.3em; color:var(--dim); text-align:center; }
#plight .pcap .sig { display:block; margin-top:8px; color:var(--ghost); letter-spacing:.2em; }

/* ---------- 隧道疊層（P2B：原地暗場 → iframe 內嵌） ---------- */
#joverlay { position:fixed; inset:0; z-index:200; background:#050508;
  opacity:0; transition:opacity .9s ease; }
#joverlay.on { opacity:1; }
#joverlay iframe { position:absolute; inset:0; width:100%; height:100%; border:0;
  display:block; opacity:0; transition:opacity .7s ease; background:#050508; }
#joverlay iframe.on { opacity:1; }

/* ---------- responsive：平板 ---------- */
@media (max-width:900px) {
  .wrap, nav { padding-left:24px; padding-right:24px; }
  #hero { grid-template-columns:1fr; }
  #hero .left { padding-left:24px; }
  #hero .right { border-left:none; padding:24px; flex-direction:row; gap:28px; flex-wrap:wrap; }
  .grid3, .grid4, .cgrid { grid-template-columns:1fr 1fr; }
  nav .menu { display:none; }
}

/* ---------- responsive：手機（iPhone 格局） ---------- */
@media (max-width:640px) {
  .wrap, nav { padding-left:20px; padding-right:20px; }
  nav { height:60px; }
  #langBtn { margin-left:auto; }
  section { padding:96px 0 70px; }
  h2 { font-size:32px; }
  .sechead { gap:16px; margin-bottom:14px; }
  .lead { font-size:14px; margin-bottom:36px; }

  /* hero：直式堆疊，數據帶回到文流 2x2 */
  #hero { display:flex; flex-direction:column; min-height:100svh; padding-top:76px; }
  #hero .left { padding:0 20px; }
  #hero h1 { font-size:clamp(52px,15vw,72px); margin:20px 0 8px; }
  html[data-lang="zh"] #hero h1 { font-size:clamp(44px,13vw,64px); }
  #hero .bio { margin-top:24px; font-size:14px; line-height:1.95; }
  #hero .bio br { display:none; }        /* 窄螢改自然換行 */
  #hero .scrollcue { display:none; }     /* 手機不需要捲動提示 */
  #hero .accentline { width:150px; margin-bottom:20px; }
  #hero .right { padding:28px 20px 0; justify-content:flex-start; }
  #hero .portrait img { max-width:150px; }
  #hero .statsband { position:static; display:grid; grid-template-columns:1fr 1fr;
    gap:20px 12px; margin:36px 20px 70px; padding-top:22px; }
  #hero .stat b { font-size:30px; }

  /* interlude / 卡片 / 散文列 / 聯絡：單欄 */
  .inter { grid-template-columns:1fr; gap:30px; }
  .iphoto { max-width:230px; }
  .iq { font-size:17px; }
  .grid3, .grid4, .cgrid { grid-template-columns:1fr; gap:14px; }
  .essayrow { grid-template-columns:1fr; gap:8px; padding:22px 4px; }
  .essayrow .t { font-size:18px; }

  /* 攝影長廊：矮一點、條帶窄一點，箭頭縮小 */
  .strips { height:340px; }
  .strip { flex:0 0 84px; }
  .strip:hover { flex-basis:250px; }
  .pnav { width:38px; height:38px; font-size:18px; }
  .pnav.prev { left:-6px; } .pnav.next { right:-6px; }

  /* story / footer / 音樂鈕 */
  #story .line1 { font-size:22px; padding:0 20px; }
  footer { flex-direction:column; gap:12px; align-items:flex-start; }
  #musicToggle { left:14px; bottom:14px; width:38px; height:38px; }
  #plight img { max-width:96vw; max-height:76vh; }
}

/* ---------- 動效尊重：使用者要求減少動態 ---------- */
@media (prefers-reduced-motion: reduce) {
  .rv { opacity:1 !important; transform:none !important; transition:none !important; }
  html { scroll-behavior:auto; }
}