*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --paper:#FFFFFF;
  --paper-warm:#F6F6F2;
  --paper-warm-2:#EAEAE4;
  --ink:#0A0A0C;
  --ink-2:#2A2A2C;
  --ink-3:#6B6B6E;
  --ink-4:#A0A0A2;
  --hairline:#E5E5DF;
  --rule:#0A0A0C;
  --accent:#1B2B3F;
  --accent-deep:#0F1A2A;
  --accent-soft:#DDE3EC;
  --accent-pop:#1B2B3F;
  --on-dark-accent:#8FB0D0;
  --serif:"Noto Serif TC",serif;
  --sans:"Noto Sans TC",-apple-system,system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;

  /* per-case ink — same family but tiny mood shifts */
  --theme:var(--accent);
  --theme-deep:var(--accent-deep);
  --theme-soft:var(--accent-soft);
}
body.theme-procurement{
  --theme:#1B2B3F;
  --theme-deep:#0F1A2A;
  --theme-soft:#DDE3EC;
}
body.theme-finance{
  --theme:#3F2418;
  --theme-deep:#2A180F;
  --theme-soft:#EFE4DB;
}
body.theme-marketing{
  --theme:#1F4435;
  --theme-deep:#0F2419;
  --theme-soft:#DDE6E0;
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--paper);}
body{
  font-family:var(--sans);
  font-size:18px;line-height:1.85;
  color:var(--ink);background:var(--paper);
  font-weight:400;letter-spacing:0;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  position:relative;
}
::selection{background:var(--accent);color:var(--paper);}

/* paper grain — same as main LP */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  opacity:0.06;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.05  0 0 0 0 0.05  0 0 0 0 0.04  0 0 0 1 0'/></filter><rect width='220' height='220' filter='url(%23n)'/></svg>");
  mix-blend-mode:multiply;
}
.header,main,.detail-hero,.quote,.credit-block,.footer,section{position:relative;z-index:2;}

/* ========== HEADER ========== */
.header{
  padding:20px 48px;
  display:flex;justify-content:space-between;align-items:center;
  border-bottom:1px solid var(--hairline);
  background:rgba(255,255,255,0.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:100;
}
.logo{
  font-family:var(--sans);font-weight:900;font-size:18px;
  color:var(--ink);text-decoration:none;letter-spacing:-0.005em;
  display:inline-flex;align-items:center;gap:10px;
}
.logo .dot{color:var(--accent);}
.logo img{height:28px;width:auto;display:block;}
.logo .tag{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:0.18em;text-transform:uppercase;color:var(--ink-3);
  padding-left:10px;border-left:1px solid var(--hairline);
}
.footer .logo img{height:24px;}
.back-link{
  font-family:var(--mono);font-size:13px;font-weight:500;
  color:var(--ink-2);text-decoration:none;
  letter-spacing:0.06em;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border:1px solid var(--hairline);
  transition:all 0.2s;
}
.back-link:hover{border-color:var(--ink);color:var(--ink);}

/* ========== HERO ========== */
.detail-hero{
  padding:120px 48px 96px;
  background:var(--paper-warm);
  border-bottom:1px solid var(--rule);
  position:relative;overflow:hidden;
}
.detail-hero::before{
  content:"2026";
  position:absolute;right:-30px;bottom:-50px;
  font-family:var(--serif);font-weight:900;
  font-size:clamp(160px,24vw,320px);
  line-height:0.85;letter-spacing:-0.06em;
  color:var(--ink);opacity:0.04;pointer-events:none;
}
.detail-hero-inner{max-width:1280px;margin:0 auto;position:relative;z-index:2;}

/* Hero with background image */
.detail-hero:has(.detail-hero-media){
  padding:160px 48px 120px;
  background:#0a0a0a;
}
.detail-hero:has(.detail-hero-media)::before{display:none;}
.detail-hero-media{
  position:absolute;inset:0;z-index:0;
  overflow:hidden;
}
.detail-hero-media img{
  width:100%;height:100%;display:block;
  object-fit:cover;
  opacity:0.85;
}
.detail-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(10,10,10,0.15) 0%, rgba(10,10,10,0.55) 100%);
}
.detail-hero:has(.detail-hero-media) h1{color:#fff;}
.detail-hero:has(.detail-hero-media) .lead{color:rgba(255,255,255,0.82);}
.detail-hero:has(.detail-hero-media) .eyebrow{color:#fff;}
.detail-hero:has(.detail-hero-media) .eyebrow::before{background:#fff;}
.detail-hero:has(.detail-hero-media) .industry-chip{
  color:#fff;border-color:rgba(255,255,255,0.5);
}

.eyebrow{
  font-family:var(--mono);font-size:13px;font-weight:500;
  color:var(--theme);letter-spacing:0.12em;text-transform:uppercase;
  margin-bottom:24px;
  display:inline-flex;align-items:center;gap:14px;
}
.eyebrow::before{
  content:"";display:inline-block;width:32px;height:1px;background:var(--theme);
}

.industry-chip{
  display:inline-block;
  font-family:var(--mono);font-size:12px;font-weight:500;
  background:transparent;color:var(--theme);
  border:1px solid var(--theme);
  padding:6px 12px;letter-spacing:0.1em;text-transform:uppercase;
  margin-bottom:32px;
}

.detail-hero h1{
  font-family:var(--sans);font-weight:900;
  font-size:clamp(40px,5.4vw,76px);
  line-height:1.22;letter-spacing:-0.03em;
  color:var(--ink);margin-bottom:24px;max-width:1000px;
}
.detail-hero .lead{
  font-family:var(--sans);font-weight:500;
  font-size:20px;line-height:1.75;
  color:var(--ink-3);max-width:680px;
}

/* ========== MAIN / SECTIONS ========== */
main{max-width:1280px;margin:0 auto;padding:0 48px 96px;}
section{
  padding:80px 0;
  border-top:1px solid var(--hairline);
}
section:first-child{border-top:none;padding-top:96px;}

.sec-label{
  font-family:var(--mono);font-size:13px;font-weight:500;
  color:var(--theme);letter-spacing:0.15em;text-transform:uppercase;
  margin-bottom:20px;
  display:inline-flex;align-items:center;gap:14px;
}
.sec-label::before{
  content:"";display:inline-block;width:32px;height:1px;background:var(--theme);
}
.sec-title{
  font-family:var(--sans);font-weight:900;
  font-size:clamp(32px,3.8vw,52px);
  line-height:1.28;letter-spacing:-0.02em;
  color:var(--ink);margin-bottom:32px;max-width:900px;
}
.sec-body{
  font-size:19px;line-height:1.85;color:var(--ink-2);
  max-width:780px;
}

/* ========== PAIN CARDS ========== */
.pains{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border-top:1px solid var(--rule);
  border-bottom:1px solid var(--rule);
  margin-top:16px;
}
.pain-card{
  padding:36px 28px;
  border-right:1px solid var(--hairline);
  background:transparent;border-radius:0;
  position:relative;
}
.pain-card:last-child{border-right:none;}
.pain-card .x{
  width:28px;height:28px;
  background:transparent;color:var(--theme);
  border:1px solid var(--theme);
  border-radius:0;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:500;font-size:13px;
  margin-bottom:18px;
}
.pain-card h4{
  font-family:var(--sans);font-weight:800;
  font-size:18px;line-height:1.4;letter-spacing:-0.005em;
  color:var(--ink);margin-bottom:12px;
}
.pain-card p{
  font-size:16px;line-height:1.75;color:var(--ink-2);
}

/* ========== KPI ========== */
.kpis{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border-top:1px solid var(--rule);
  border-bottom:1px solid var(--rule);
  margin-top:16px;
}
.kpi{
  padding:36px 28px;
  border-right:1px solid var(--hairline);
  background:transparent;border-radius:0;
  position:relative;overflow:hidden;
}
.kpi:last-child{border-right:none;}
.kpi::before{display:none;}
.kpi .label{
  font-family:var(--mono);font-size:12px;font-weight:500;
  color:var(--ink-3);letter-spacing:0.1em;text-transform:uppercase;
  margin-bottom:18px;min-height:auto;
}
.kpi .before{
  font-size:14px;color:var(--ink-3);
  text-decoration:line-through;margin-bottom:8px;
  font-family:var(--mono);
}
.kpi .arrow-down{
  color:var(--ink-4);font-size:16px;margin-bottom:8px;
  font-family:var(--mono);
}
.kpi .after{
  font-family:var(--sans);font-weight:900;
  font-size:30px;line-height:1.2;letter-spacing:-0.02em;
  color:var(--ink);
  background:none;-webkit-text-fill-color:initial;
}

/* ========== WORKFLOW STEPS ========== */
.workflow{
  background:transparent;
  border:1px solid var(--rule);
  border-radius:0;
  padding:0 32px;
  margin-top:16px;
}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:28px;
  padding:28px 0;
  border-bottom:1px solid var(--hairline);
  align-items:start;
}
.step:last-child{border-bottom:none;}
.step-num{
  flex-shrink:0;width:auto;height:auto;
  border-radius:0;background:transparent;color:var(--theme);
  display:block;
  font-family:var(--sans);font-weight:900;font-size:28px;
  letter-spacing:-0.02em;
  box-shadow:none;padding-top:4px;
  min-width:48px;
}
.step-body h4{
  font-family:var(--sans);font-weight:800;
  font-size:20px;line-height:1.4;letter-spacing:-0.005em;
  color:var(--ink);margin-bottom:8px;
}
.step-body p{
  font-size:16px;line-height:1.85;color:var(--ink-2);
}
.tools{
  display:flex;gap:8px;flex-wrap:wrap;
  padding:24px 0;
  border-top:1px solid var(--hairline);
}
.tool-tag{
  font-family:var(--mono);font-size:12px;font-weight:500;
  color:var(--ink-2);background:transparent;
  border:1px solid var(--hairline);
  padding:5px 10px;border-radius:0;letter-spacing:0.04em;
}

/* ========== SCREENSHOTS ========== */
.shots{display:flex;flex-direction:column;gap:24px;margin-top:16px;}
.shot{
  background:var(--paper);
  border:1px solid var(--hairline);
  border-radius:0;overflow:hidden;
  display:flex;flex-direction:column;
  transition:border-color 0.3s,transform 0.4s;
}
.shot:hover{transform:translateY(-2px);border-color:var(--ink);box-shadow:none;}
.shot-side{
  background:var(--paper-warm);
  padding:20px 28px;
  display:flex;flex-direction:column;align-items:flex-start;gap:10px;
  border-bottom:1px solid var(--hairline);
}
.shot-side>div:first-child{flex-shrink:0;}
.shot-label{
  font-family:var(--mono);font-size:12px;font-weight:500;
  color:var(--theme);letter-spacing:0.12em;
  margin-bottom:6px;
}
.shot-label .key{
  display:inline-block;
  background:var(--theme);color:var(--paper);
  padding:3px 8px;border-radius:0;margin-right:6px;
  font-weight:600;
}
.shot-title{
  font-family:var(--sans);font-weight:800;
  font-size:26px;line-height:1.25;letter-spacing:-0.01em;
  color:var(--ink);
}
.shot-caption{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  padding-top:0;max-width:760px;
}
.shot-img-wrap{
  background:var(--paper-warm);
  padding:32px 48px;
  display:flex;justify-content:center;align-items:center;
  min-height:320px;max-height:560px;
  overflow:hidden;
}
.shot-img-wrap img{
  max-width:100%;
  max-height:480px;
  width:auto;height:auto;
  display:block;
  object-fit:contain;
}

/* 手機截圖（直向）專用 ── 加手機外框讓直圖跟橫圖視覺平衡 */
.shot-img-wrap.is-phone{
  background:var(--paper-warm-2);
  padding:48px 24px;
  min-height:auto;
  max-height:none;
}
.shot-img-wrap.is-phone img{
  max-width:280px;
  max-height:600px;
  border-radius:32px;
  border:10px solid #0A0A0C;
  box-shadow:
    0 18px 48px rgba(0,0,0,0.22),
    0 4px 12px rgba(0,0,0,0.10),
    inset 0 0 0 1px rgba(255,255,255,0.04);
  background:#000;
}
@media(max-width:640px){
  .shot-img-wrap.is-phone{padding:32px 16px;}
  .shot-img-wrap.is-phone img{
    max-width:240px;
    max-height:520px;
    border-radius:26px;
    border-width:8px;
  }
}

/* ============================================================
   手機截圖 side-by-side 卡片（.shot.is-phone-shot）
   重組整張 .shot：左欄手機、右欄文字 + 重點列表
   ============================================================ */
.shot.is-phone-shot{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:48px;
  padding:56px;
  align-items:center;
  background:var(--paper-warm);
}
/* override 既有 shot-side 樣式 */
.shot.is-phone-shot .shot-side{
  background:transparent;
  padding:0;
  border:none;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
}
.shot.is-phone-shot .shot-side > div:first-child{
  display:flex;flex-direction:column;gap:8px;
}
.shot.is-phone-shot .shot-caption{
  padding-top:0;
}
/* override 既有 shot-img-wrap 樣式 */
.shot.is-phone-shot .shot-img-wrap{
  background:transparent;
  padding:0;
  min-height:auto;
  max-height:none;
  overflow:visible;
}
.shot.is-phone-shot .shot-img-wrap img{
  max-width:280px;max-height:none;
  border-radius:32px;
  border:10px solid #0A0A0C;
  box-shadow:
    0 18px 48px rgba(0,0,0,0.18),
    0 4px 12px rgba(0,0,0,0.08);
  background:#000;
}

/* 重點列表（取代原 annotation 標籤） */
.phone-features{
  list-style:none;padding:0;margin:8px 0 0;
  display:grid;gap:10px;
  border-top:1px solid var(--hairline);
  padding-top:18px;
}
.phone-features li{
  font-family:var(--mono);font-size:13px;
  letter-spacing:0.04em;
  color:var(--ink);
  padding:10px 16px;
  background:var(--paper);
  border:1px solid var(--hairline);
  display:flex;align-items:center;gap:12px;
  transition:border-color 0.2s;
}
.phone-features li::before{
  content:"";display:inline-block;
  width:6px;height:6px;
  background:var(--theme);
  flex-shrink:0;
}
.shot.is-phone-shot:hover .phone-features li{
  border-color:var(--ink);
}

@media(max-width:780px){
  .shot.is-phone-shot{
    grid-template-columns:1fr;
    padding:36px 24px;
    gap:32px;
  }
  .shot.is-phone-shot .shot-img-wrap{
    display:flex;justify-content:center;
  }
  .shot.is-phone-shot .shot-img-wrap img{
    max-width:240px;
    border-radius:26px;
    border-width:8px;
  }
}

/* ============================================================
   直式文件 side-by-side 卡片（.shot.is-portrait-shot）
   給直式截圖用（報價單、表單），無手機外框
   ============================================================ */
.shot.is-portrait-shot{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  padding:56px;
  align-items:center;
  background:var(--paper-warm);
}
.shot.is-portrait-shot .shot-side{
  background:transparent;
  padding:0;
  border:none;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
}
.shot.is-portrait-shot .shot-side > div:first-child{
  display:flex;flex-direction:column;gap:8px;
}
.shot.is-portrait-shot .shot-caption{
  padding-top:0;
}
.shot.is-portrait-shot .shot-img-wrap{
  background:var(--paper);
  padding:24px;
  min-height:auto;
  max-height:none;
  overflow:visible;
}
.shot.is-portrait-shot .shot-img-wrap img{
  max-width:100%;
  max-height:680px;
  border-radius:6px;
  border:1px solid var(--hairline);
  box-shadow:0 8px 24px rgba(0,0,0,0.06);
  display:block;
  margin:0 auto;
}
@media(max-width:780px){
  .shot.is-portrait-shot{
    grid-template-columns:1fr;
    padding:36px 24px;
    gap:32px;
  }
}

/* ========== QUOTE ========== */
.quote{
  background:var(--ink);color:var(--paper);
  border-radius:0;padding:80px 48px;
  margin-top:64px;position:relative;overflow:hidden;
}
.quote::after{display:none;}
.quote::before{
  content:"";position:absolute;left:0;top:0;bottom:0;
  width:4px;background:linear-gradient(180deg,var(--accent-pop) 0%,transparent 100%);
}
.quote h3{
  font-family:var(--sans);font-weight:900;
  font-size:clamp(30px,3.8vw,52px);
  line-height:1.3;letter-spacing:-0.025em;
  color:var(--paper);
  position:relative;max-width:900px;margin-bottom:20px;
}
.quote h3 span{color:var(--on-dark-accent);}
.quote p{
  font-size:17px;line-height:1.85;
  opacity:0.7;position:relative;max-width:680px;
  color:var(--paper);
}

/* ========== CREDIT ========== */
.credit-block{
  margin-top:48px;padding:36px 40px;
  background:var(--paper-warm);
  border:1px solid var(--rule);
  border-radius:0;
  display:flex;justify-content:space-between;align-items:center;
  gap:24px;flex-wrap:wrap;
}
.credit-label{
  font-family:var(--mono);font-size:12px;font-weight:500;
  color:var(--ink-3);letter-spacing:0.15em;text-transform:uppercase;
  margin-bottom:8px;
}
.credit-name{
  font-family:var(--sans);font-weight:900;
  font-size:24px;letter-spacing:-0.01em;
  color:var(--ink);
}
.credit-cta{
  font-family:var(--mono);font-size:13px;font-weight:500;
  letter-spacing:0.1em;text-transform:uppercase;
  color:var(--ink);text-decoration:none;
  padding:14px 22px;
  border:1px solid var(--ink);border-radius:0;
  transition:background 0.3s,color 0.3s;
}
.credit-cta:hover{background:var(--ink);color:var(--paper);}

/* ========== FOOTER ========== */
.footer{
  padding:48px 48px;
  border-top:1px solid var(--hairline);
  max-width:1280px;margin:0 auto;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;
}
.footer .logo{font-size:18px;}
.footer .meta{
  font-family:var(--mono);font-size:11px;
  color:var(--ink-3);letter-spacing:0.08em;
  text-transform:uppercase;
}

/* ========== VIDEO ========== */
.video-wrap{margin:24px 0 0;background:#000;border:1px solid var(--hairline);overflow:hidden;}
.video-wrap video{width:100%;display:block;background:#000;}
.video-placeholder{aspect-ratio:16/9;background:var(--paper-warm-2);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--ink-3);}
.video-placeholder .vp-mark{font-family:var(--mono);font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--ink-4);}
.video-placeholder .vp-title{font-family:var(--serif);font-size:22px;color:var(--ink-2);}
.video-placeholder .vp-meta{font-size:13px;color:var(--ink-3);}
.video-caption{margin-top:14px;font-size:14px;color:var(--ink-3);font-style:italic;}

/* ========== RESPONSIVE ========== */
@media(max-width:900px){
  .header{padding:14px 20px;}
  .detail-hero{padding:80px 20px 64px;}
  .detail-hero h1{font-size:clamp(32px,7vw,48px);}
  .detail-hero .lead{font-size:17px;}
  main{padding:0 20px 64px;}
  section{padding:56px 0;}
  .sec-title{font-size:clamp(26px,5vw,40px);}
  .pains,.kpis{grid-template-columns:1fr;border-bottom:1px solid var(--rule);}
  .pain-card,.kpi{border-right:none;border-bottom:1px solid var(--hairline);}
  .pain-card:last-child,.kpi:last-child{border-bottom:none;}
  .step{grid-template-columns:1fr;gap:8px;}
  .quote{padding:48px 28px;}
  .quote h3{font-size:30px;}
  .credit-block{padding:28px;flex-direction:column;align-items:flex-start;}
  .footer{padding:32px 20px;}
}

/* 中尺寸補強（≤640px，大手機 + 小平板）*/
@media(max-width:640px){
  /* 防止 2026 背景大字橫向溢出 */
  .detail-hero{overflow:hidden;}
  .detail-hero::before{
    font-size:clamp(100px,18vw,180px) !important;
    right:-10px !important;bottom:-20px !important;
  }

  /* hero 字級進一步收 */
  .detail-hero h1{font-size:clamp(28px,7vw,42px) !important;line-height:1.25;}
  .detail-hero .lead{font-size:16px;line-height:1.7;}

  /* sec-title 對齊 */
  .sec-title{font-size:clamp(24px,5.5vw,36px);}
  .sec-body{font-size:16px;line-height:1.75;}

  /* workflow 內框 padding 收（避免內外 padding 雙重夾擊）*/
  .workflow{padding:0 16px;margin-top:12px;}
  .step{gap:16px;padding:20px 0;}
  .step-num{font-size:24px;min-width:36px;}
  .step-body h4{font-size:17px;}
  .step-body p{font-size:15px;line-height:1.7;}

  /* pain / kpi 卡片內 padding 收一檔 */
  .pain-card,.kpi{padding:24px 18px;}
  .pain-card h4{font-size:17px;}
  .kpi .after{font-size:24px;}

  /* quote */
  .quote{padding:48px 24px;margin-top:48px;}
  .quote h3{font-size:clamp(22px,5vw,30px) !important;}
  .quote p{font-size:15px;}

  /* credit-block */
  .credit-block{padding:24px;gap:16px;flex-direction:column;align-items:flex-start;}
  .credit-name{font-size:20px;}
  .credit-cta{padding:12px 18px;width:100%;text-align:center;}

  /* footer */
  .footer{padding:32px 20px;flex-direction:column;align-items:flex-start;gap:12px;}
}

/* 小機型補強（≤480px） */
@media(max-width:480px){
  .header{padding:12px 14px;}
  .back-link{padding:6px 10px;font-size:12px;}
  .detail-hero{padding:60px 14px 48px;}
  .detail-hero::before{font-size:clamp(80px,16vw,140px) !important;}
  .detail-hero h1{font-size:clamp(24px,6.8vw,34px) !important;}
  .industry-chip{font-size:11px;padding:5px 10px;margin-bottom:24px;}
  main{padding:0 14px 48px;}
  section{padding:36px 0;}
  .sec-title{font-size:clamp(22px,6vw,30px);}
  .pain-card,.kpi{padding:20px 14px;}
  .quote{padding:32px 16px;}
  .quote h3{font-size:22px !important;}
  .credit-block{padding:20px 16px;}
  .video-caption{font-size:13px;line-height:1.6;}
}