:root{
  --paper:#FBF9F5;
  --paper-2:#F4F0E8;
  --mist:#E9E4D9;
  --ink:#221E1A;
  --ink-soft:#524C43;
  --aurora:#9FBECE;
  --aurora-deep:#6C93A6;
  --amber:#D98A4F;
  --lilac:#C9BFD1;
  --line:#DAD3C4;
  --radius:2px;
  --measure:62ch;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Noto Sans TC','Noto Serif TC',serif;
  font-weight:300;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.serif{font-family:'Noto Serif TC', serif; font-weight:700; letter-spacing:.02em;}
.display{font-family:'Fraunces', 'Noto Serif TC', serif;}
.mono{font-family:'IBM Plex Mono', monospace; letter-spacing:.06em;}
a{color:inherit;}
img,svg{display:block;max-width:100%;}
:focus-visible{outline:2px solid var(--aurora-deep); outline-offset:3px;}

.wrap{max-width:1120px; margin:0 auto; padding:0 24px;}
.measure{max-width:var(--measure);}

/* ---------- NAV ---------- */
header.site{
  position:sticky; top:0; z-index:40;
  background:rgba(251,249,245,.86);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1120px; margin:0 auto; padding:16px 24px;
  display:flex; align-items:center; justify-content:space-between;
  position:relative;
}
.brand{
  display:flex; align-items:baseline; gap:10px;
  text-decoration:none; color:var(--ink);
}
.brand .mark{font-family:'Fraunces', serif; font-weight:600; font-size:20px; letter-spacing:.03em;}
.brand .cn{font-family:'Noto Serif TC', serif; font-size:14px; color:var(--ink-soft);}
nav.links{display:flex; gap:28px; font-size:14px;}
nav.links a{text-decoration:none; color:var(--ink-soft); position:relative; padding:4px 0;}
nav.links a:hover, nav.links a.active{color:var(--ink);}
nav.links a::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:1px;
  background:var(--amber); transform:scaleX(0); transform-origin:left;
  transition:transform .25s ease;
}
nav.links a:hover::after, nav.links a.active::after{transform:scaleX(1);}

.menu-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; border:1px solid var(--line); border-radius:50%;
  background:var(--paper); cursor:pointer; flex:none; padding:0; align-items:center;
}
.menu-toggle span{width:16px; height:1.5px; background:var(--ink); transition:transform .2s ease, opacity .2s ease;}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

@media (max-width:760px){
  .menu-toggle{display:flex;}
  nav.links{
    display:none; position:absolute; top:100%; left:0; right:0;
    flex-direction:column; gap:0; background:var(--paper);
    border-bottom:1px solid var(--line); box-shadow:0 16px 28px rgba(34,30,26,.08);
    padding:6px 24px 14px;
  }
  nav.links.open{display:flex;}
  nav.links a{padding:14px 2px; border-bottom:1px solid var(--line); font-size:15.5px;}
  nav.links a:last-child{border-bottom:0;}
  nav.links a::after{display:none;}
}

/* ---------- BREADCRUMB ---------- */
.crumb{padding:22px 0 0; font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft);}
.crumb a{text-decoration:none; border-bottom:1px solid var(--line);}
.crumb a:hover{border-color:var(--ink);}
.crumb span{margin:0 8px; color:var(--mist);}

/* ---------- HERO ---------- */
.hero{padding:100px 0 80px; position:relative; overflow:hidden;}
.hero-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center;}
@media (max-width:860px){ .hero-grid{grid-template-columns:1fr;} }
.eyebrow{
  font-family:'IBM Plex Mono',monospace; font-size:12px; letter-spacing:.18em;
  color:var(--aurora-deep); text-transform:uppercase; margin:0 0 18px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--amber); display:inline-block; animation:breathe 3.2s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:.35; transform:scale(.85);} 50%{opacity:1; transform:scale(1.15);}}
h1.hero-title{
  font-size:clamp(30px,5vw,58px); line-height:1.28; margin:0 0 26px; color:var(--ink);
}
h1.hero-title em{
  font-style:normal; font-family:'Fraunces', serif; color:var(--aurora-deep);
}
.hero p.lead{font-size:17px; color:var(--ink-soft); max-width:52ch; margin:0 0 36px;}
.cta-row{display:flex; gap:16px; flex-wrap:wrap;}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 26px; border-radius:var(--radius);
  font-size:14px; letter-spacing:.03em; text-decoration:none;
  border:1px solid var(--ink); transition:all .25s ease; cursor:pointer;
  font-family:inherit; background:transparent;
}
.btn.primary{background:var(--ink); color:var(--paper);}
.btn.primary:hover{background:var(--amber); border-color:var(--amber); color:var(--ink);}
.btn.ghost{background:transparent; color:var(--ink); border-color:var(--line);}
.btn.ghost:hover{border-color:var(--ink);}
.btn.small{padding:11px 22px; font-size:13px;}

/* hero visual */
.hero-visual{position:relative; aspect-ratio:1/1; }
.hero-visual svg{width:100%; height:100%;}
.snowdot{animation:drift 6s ease-in-out infinite;}
@keyframes drift{0%,100%{transform:translateY(0);} 50%{transform:translateY(-6px);}}

/* ---------- SECTION shared ---------- */
section{padding:96px 0;}
section.tight{padding:64px 0;}
section.alt{background:var(--paper-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.sec-head{max-width:640px; margin:0 0 52px;}
.sec-head .eyebrow{margin-bottom:14px;}
.sec-head h2{font-size:clamp(26px,3.4vw,36px); margin:0 0 16px; line-height:1.4;}
.sec-head p{color:var(--ink-soft); font-size:15.5px; margin:0;}

/* ---------- WHAT IS / VOICE ---------- */
.split{display:grid; grid-template-columns:1fr 1fr; gap:64px;}
@media (max-width:860px){.split{grid-template-columns:1fr; gap:40px;}}
.voice-card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
  padding:32px 30px; position:relative;
}
.voice-card::before{
  content:'"'; font-family:'Fraunces',serif; font-size:64px; color:var(--mist);
  position:absolute; top:6px; left:20px; line-height:1;
}
.voice-card p{position:relative; font-size:16px; line-height:1.95; color:var(--ink); margin:0 0 14px;}
.voice-card .who{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft); letter-spacing:.04em;}

details.faq{border-bottom:1px solid var(--line); padding:18px 0;}
details.faq summary{
  cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center;
  font-family:'Noto Serif TC',serif; font-weight:600; font-size:16px; color:var(--ink);
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{
  content:'+'; font-family:'Fraunces',serif; font-size:22px; color:var(--aurora-deep);
  transition:transform .25s ease; margin-left:16px;
}
details.faq[open] summary::after{transform:rotate(45deg);}
details.faq p{color:var(--ink-soft); font-size:14.5px; margin:14px 0 4px; max-width:56ch;}

/* ---------- QUOTE MACHINE ---------- */
.quote-machine{
  border:1px solid var(--line); border-radius:var(--radius); background:var(--paper);
  padding:44px 36px; text-align:center; max-width:720px; margin:0 auto;
}
#quote-text{
  font-family:'Noto Serif TC',serif; font-size:clamp(18px,2.6vw,24px); line-height:1.8;
  min-height:96px; display:flex; align-items:center; justify-content:center; margin:0 0 22px;
  color:var(--ink); transition:opacity .35s ease;
}
#quote-source{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft); letter-spacing:.05em; margin-bottom:26px;}

/* ---------- CASES ---------- */
.filter-row{display:flex; gap:10px; flex-wrap:wrap; margin:0 0 40px;}
.filter-btn{
  border:1px solid var(--line); background:var(--paper); border-radius:20px;
  padding:8px 18px; font-size:13px; cursor:pointer; color:var(--ink-soft);
  font-family:'IBM Plex Mono',monospace; letter-spacing:.03em; transition:all .2s ease;
}
.filter-btn:hover{border-color:var(--aurora-deep); color:var(--ink);}
.filter-btn.active{background:var(--ink); border-color:var(--ink); color:var(--paper);}

.case-list{display:flex; flex-direction:column; gap:2px; background:var(--line);}
.case{background:var(--paper); padding:34px 30px; transition:opacity .2s ease;}
.case.hidden{display:none;}
.case summary, .case .case-row{list-style:none; display:flex; gap:16px; align-items:center; cursor:pointer;}
.case summary::-webkit-details-marker{display:none;}
.case.placeholder{cursor:default;}
.case.placeholder .case-row{cursor:default; align-items:center;}
.case.placeholder .case-photo{box-shadow:0 0 0 1px var(--line), 0 0 0 3px var(--paper); opacity:.7;}
.case.placeholder .strip .frame{border-style:dashed; background:transparent;}
.case.placeholder .strip .frame svg{opacity:.25;}
.case-tag.pending{color:var(--ink-soft) !important;}
.case.placeholder .case-name{color:var(--ink-soft); font-weight:600;}
.case.placeholder .case-teaser{font-style:italic;}
.case-photo{
  width:44px; height:44px; flex:none; border-radius:50%; overflow:hidden;
  box-shadow:0 0 0 1px var(--line), 0 0 0 3px var(--paper); background:var(--paper-2);
}
.case-photo img{width:100%; height:100%; object-fit:cover; display:block;}
.case-photo.photo-fallback{display:flex; align-items:center; justify-content:center;}
.case-photo.photo-fallback::after{content:'🐾'; font-size:16px; opacity:.32; filter:grayscale(1);}
.strip{display:grid; grid-template-columns:repeat(4,1fr); gap:6px; width:132px; flex:none;}

/* 手機版排版調整（螢幕寬度小於 768px 時生效） */
@media (max-width: 768px) {
  .case-photo{width:36px; height:36px;}
  .case-photo.photo-fallback::after{font-size:13px;}

  /* 1. 將 summary／case-row 改為 Grid 網格佈局（限定在個案卡片內，不影響 FAQ 的 summary） */
  .case summary,
  .case .case-row{
    display: grid;
    grid-template-columns: auto 1fr; /* 左邊依圖片寬度，右邊填滿剩餘空間 */
    grid-template-areas:
      "photo strip"
      "meta  meta"
      "toggle toggle";
    row-gap: 12px;
    column-gap: 12px;
    align-items: center;
    cursor: pointer;
  }
  .case.placeholder .case-row{ cursor: default; }

  /* 2. 圖片放到左上方 */
  .case-photo{
    grid-area: photo;
  }

  /* 3. 4 個 Icon 圖示放到右上方並靠右對齊 */
  .strip{
    grid-area: strip;
    justify-self: end;
    width: 148px;
    max-width: 60%;
  }

  /* 4. 文字區塊（標籤、Title、Summary）佔據下方一整列 */
  .case-meta{
    grid-area: meta;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px; /* 控制標籤、標題、簡介之間的間距 */
  }

  /* 5. 展開／收起 按鈕獨立一列，靠右對齊 */
  .case-toggle{
    grid-area: toggle;
    margin-left: 0 !important;
    text-align: right;
  }

  /* 防止文字被擠壓或溢出 */
  .case-name,
  .case-teaser{
    width: 100%;
    word-break: break-word; /* 允許適當換行 */
  }

  .case{padding:26px 20px;}
  .case-name{font-size:18.5px; line-height:1.5;}
  .case-teaser{font-size:14px; line-height:1.75;}
  .case-body .letter{font-size:15px;}
}
.frame{
  aspect-ratio:1/1; border:1px solid var(--line); border-radius:var(--radius);
  display:flex; align-items:center; justify-content:center; background:var(--paper-2);
}
.frame svg{width:58%; height:58%; stroke:var(--aurora-deep); fill:none; stroke-width:1.4;}
.case-meta{flex:1; min-width:0;}
.case-tag{font-family:'IBM Plex Mono',monospace; font-size:11.5px; color:var(--amber); letter-spacing:.08em; margin:0 0 6px;}
.case-name{font-family:'Noto Serif TC',serif; font-weight:700; font-size:21px; margin:0 0 8px;}
.case-teaser{color:var(--ink-soft); font-size:14.5px; margin:0;}
.case-toggle{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--ink-soft); flex:none; margin-left:auto; align-self:center; white-space:nowrap;}
.case[open] .case-toggle::before{content:'收起 −';}
.case:not([open]) .case-toggle::before{content:'展開個案 +';}
.case-body{margin-top:26px; padding-top:26px; border-top:1px dashed var(--line);}
.case-body .letter{font-size:15.5px; color:var(--ink); max-width:64ch;}
.case-body .letter p{margin:0 0 16px;}
.case-body .quote-line{
  font-family:'Fraunces',serif; font-style:italic; color:var(--aurora-deep);
  font-size:17px; margin:20px 0; padding-left:18px; border-left:2px solid var(--amber);
}

/* ---------- QUIZ ---------- */
.quiz-box{
  border:1px solid var(--line); background:var(--paper); padding:40px 34px; border-radius:var(--radius);
  max-width:640px; margin:0 auto;
}
.q-step{display:none;}
.q-step.active{display:block;}
.q-title{font-family:'Noto Serif TC',serif; font-weight:700; font-size:18px; margin:0 0 22px;}
.q-opts{display:flex; flex-direction:column; gap:10px;}
.q-opt{
  display:block; border:1px solid var(--line); border-radius:var(--radius);
  padding:14px 18px; cursor:pointer; font-size:14.5px; transition:all .2s ease; background:var(--paper);
}
.q-opt:hover{border-color:var(--aurora-deep); background:var(--paper-2);}
.q-progress{display:flex; gap:6px; margin-bottom:28px;}
.q-progress span{height:3px; flex:1; background:var(--mist); border-radius:2px; overflow:hidden;}
.q-progress span i{display:block; height:100%; width:0%; background:var(--amber); transition:width .3s ease;}
.q-result{display:none; text-align:center;}
.q-result.active{display:block;}
.q-result h3{font-size:22px; margin:6px 0 14px;}
.q-result p{color:var(--ink-soft); font-size:14.5px; max-width:48ch; margin:0 auto 26px;}
.q-result .tag{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--amber); letter-spacing:.1em;}

/* ---------- ARTICLES (listing) ---------- */
.article-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);}
@media (max-width:800px){.article-grid{grid-template-columns:1fr;}}
.article-card{background:var(--paper); padding:30px 26px; display:flex; flex-direction:column; gap:14px; text-decoration:none; color:inherit;}
.article-card .cat{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--aurora-deep); letter-spacing:.08em;}
.article-card h3{font-size:17px; margin:0; font-family:'Noto Serif TC',serif; line-height:1.6;}
.article-card p{font-size:13.5px; color:var(--ink-soft); margin:0; flex:1;}
.article-card .read{font-size:13px; color:var(--ink); text-decoration:none; border-bottom:1px solid var(--amber); align-self:flex-start;}

/* ---------- ARTICLE (detail / long-form reading) ---------- */
.article-hero{padding:64px 0 40px;}
.article-hero .cat{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--amber); letter-spacing:.1em; margin:0 0 16px;}
.article-hero h1{font-size:clamp(28px,4.4vw,44px); line-height:1.4; margin:0 0 22px; max-width:18ch;}
.article-hero .meta{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-soft);}
.article-body{max-width:var(--measure); margin:0 auto; font-size:16.5px; color:var(--ink);}
.article-body p{margin:0 0 24px;}
.article-body h2{font-size:22px; margin:52px 0 18px; line-height:1.5;}
.article-body h2 .num{font-family:'Fraunces',serif; color:var(--mist); font-size:16px; margin-right:10px;}
.article-body .pull{
  font-family:'Fraunces',serif; font-style:italic; font-size:21px; color:var(--aurora-deep);
  border-left:2px solid var(--amber); padding-left:20px; margin:36px 0;
}
.article-body ul{padding-left:20px; margin:0 0 24px;}
.article-body li{margin-bottom:10px;}
.article-body .case-nod{
  background:var(--paper-2); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px 24px; margin:32px 0; font-size:14.5px; color:var(--ink-soft);
}
.article-body .case-nod strong{color:var(--ink); font-family:'Noto Serif TC',serif;}
.article-cta{
  max-width:var(--measure); margin:64px auto 0; padding:34px 30px;
  border:1px solid var(--line); border-radius:var(--radius); text-align:center; background:var(--paper-2);
}
.article-cta p{margin:0 0 20px; color:var(--ink-soft); font-size:14.5px;}
.article-nav{max-width:var(--measure); margin:56px auto 0; display:flex; justify-content:space-between; font-size:13px; padding-top:24px; border-top:1px solid var(--line);}
.article-nav a{text-decoration:none; color:var(--ink-soft);}
.article-nav a:hover{color:var(--ink);}

/* ---------- APPLY ---------- */
.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:26px; margin:0 0 56px;}
@media (max-width:860px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.steps{grid-template-columns:1fr;}}
.step{border-top:2px solid var(--amber); padding-top:16px;}
.step .n{font-family:'Fraunces',serif; font-size:26px; color:var(--mist); display:block; margin-bottom:8px;}
.step h4{margin:0 0 8px; font-size:15px; font-family:'Noto Serif TC',serif;}
.step p{margin:0; font-size:13.5px; color:var(--ink-soft);}

.apply-panel{
  background:var(--ink); color:var(--paper); border-radius:var(--radius);
  padding:52px 44px; display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center;
}
@media (max-width:800px){.apply-panel{grid-template-columns:1fr; padding:36px 26px;}}
.apply-panel h3{font-size:26px; margin:0 0 14px; color:var(--paper);}
.apply-panel p{color:#C9C4BA; font-size:14.5px; margin:0 0 28px; max-width:46ch;}
.apply-panel .btn.primary{background:var(--amber); border-color:var(--amber); color:var(--ink);}
.apply-panel .btn.primary:hover{background:var(--paper); border-color:var(--paper);}
.apply-note{font-family:'IBM Plex Mono',monospace; font-size:12px; color:#8B857A; margin-top:18px;}

/* ---------- FOOTER ---------- */
footer{padding:56px 0 40px; border-top:1px solid var(--line);}
.footer-inner{display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; font-size:13px; color:var(--ink-soft);}
.footer-inner a{text-decoration:none; margin-right:18px;}
.footer-inner a:hover{color:var(--ink);}