:root{
    /* Brand: PANTONE 11-4201 Cloud Dancer (primary) x PANTONE 17-5641 Emerald (secondary) */
    --cloud:#F0EEE9;
    --cloud-soft:#E6E1D4;
    --white:#FFFFFF;
    --ink:#152119;
    --ink-dim:rgba(21,33,25,0.64);
    --ink-faint:rgba(21,33,25,0.40);
    --emerald:#009473;
    --emerald-deep:#00593F;
    --emerald-night:#062E23;
    --emerald-tint:#DCEAE3;
    --emerald-glow:#7FCDB0;
    --line:rgba(21,33,25,0.14);
    --line-strong:rgba(21,33,25,0.26);
    --line-on-dark:rgba(240,238,233,0.18);
    --radius:2px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--cloud);
    color:var(--ink);
    font-family:'Inter',sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:'Oswald',sans-serif;
    text-transform:uppercase;
    letter-spacing:0.02em;
    margin:0;
    font-weight:600;
    color:var(--ink);
  }
  .mono{font-family:'IBM Plex Mono',monospace;}
  a{color:inherit;}
  img,svg{display:block;max-width:100%;}
  .wrap{max-width:1120px;margin:0 auto;padding:0 28px;}
  .eyebrow{
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;
    letter-spacing:0.18em;
    text-transform:uppercase;
    color:var(--emerald);
    display:flex;
    align-items:center;
    gap:10px;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--emerald);display:inline-block;}
  .eyebrow.on-dark{color:var(--emerald-glow);}
  .eyebrow.on-dark::before{background:var(--emerald-glow);}
  .btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-family:'IBM Plex Mono',monospace;
    font-size:13px;
    letter-spacing:0.08em;
    text-transform:uppercase;
    padding:14px 26px;
    border-radius:var(--radius);
    border:1px solid var(--line-strong);
    cursor:pointer;
    text-decoration:none;
    transition:all .2s ease;
    background:transparent;
    color:var(--ink);
  }
  .btn-primary{background:var(--emerald);border-color:var(--emerald);color:var(--white);font-weight:600;}
  .btn-primary:hover{background:var(--emerald-deep);border-color:var(--emerald-deep);}
  .btn-ghost:hover{border-color:var(--ink);background:rgba(21,33,25,0.05);}
  .btn-brass{border-color:var(--emerald-deep);color:var(--emerald-deep);}
  .btn-brass:hover{background:var(--emerald-tint);}
  .btn.on-dark{border-color:var(--line-on-dark);color:var(--cloud);}
  .btn.on-dark:hover{border-color:var(--cloud);background:rgba(240,238,233,0.08);}

  /* ---- Nav ---- */
  header.site-nav{
    position:sticky;top:0;z-index:50;
    background:rgba(240,238,233,0.88);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    max-width:1120px;margin:0 auto;padding:0 28px;
    display:flex;align-items:center;justify-content:space-between;
    height:76px;
  }
  .logo{display:flex;text-decoration:none;flex-direction:column;align-items:flex-start;line-height:1;cursor:pointer;}
  .logo-img{height:34px;width:auto;display:block;}
  .footer-logo{margin-bottom:2px;}
  .footer-logo-img{height:38px;}
  .logo .b19{font-family:'Oswald',sans-serif;font-size:22px;font-weight:700;letter-spacing:0.06em;color:var(--ink);}
  .logo .sub{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:0.32em;color:var(--emerald);margin-top:4px;}
  nav.links{display:flex;gap:2px;align-items:center;}
  nav.links .nav-link{
    background:none;border:none;color:var(--ink-dim);
    font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:0.06em;
    text-transform:uppercase;padding:10px 16px;cursor:pointer;position:relative;
    transition:color .2s ease;
  }
  nav.links .nav-link::after{
    content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
    background:var(--emerald);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
  }
  nav.links .nav-link:hover{color:var(--ink);}
  nav.links .nav-link.active{color:var(--ink);}
  nav.links .nav-link.active::after{transform:scaleX(1);}
  .nav-cta{display:flex;align-items:center;gap:14px;}
  .hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
  .hamburger span{width:22px;height:2px;background:var(--ink);display:block;}

  @media (max-width:860px){
    nav.links{
      position:fixed;top:76px;left:0;right:0;
      background:var(--cloud);
      flex-direction:column;align-items:flex-start;padding:24px 28px;
      display:none;gap:4px;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
      box-shadow:0 12px 24px rgba(21,33,25,0.12);
      max-height:calc(100vh - 76px);
      overflow-y:auto;
    }
    nav.links.open{display:flex;}
    nav.links .nav-link{width:100%;text-align:left;padding:16px 4px;font-size:15px;border-bottom:1px solid var(--line);}
    .hamburger{display:flex;}
    .nav-cta .btn span.long{display:none;}
  }

  /* ---- Page switching ---- */
  .page{display:block;}   /* 拆成多頁後不再切換,單獨的 .page 也要看得見 */
  .page.active{display:block;animation:fadein .4s ease;}
  @keyframes fadein{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

  /* ---- Hero ---- */
  .hero{
    position:relative;padding:84px 0 64px;
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(ellipse 60% 50% at 78% 10%, rgba(0,148,115,0.14), transparent 60%),
      radial-gradient(ellipse 40% 40% at 5% 90%, rgba(0,89,63,0.08), transparent 60%);
    pointer-events:none;
  }
  .hero-grid{position:relative;display:grid;grid-template-columns:1.25fr 0.75fr;gap:48px;align-items:center;}
  .hero h1{font-size:clamp(32px,6.2vw,78px);line-height:0.98;margin:18px 0 22px;}
  .btn-hero{
    font-size:18px;padding:26px 40px;font-weight:700;
    box-shadow:0 14px 32px rgba(0,89,63,0.28);
    position:relative;
    flex:8;
    justify-content:center;
  }
  .btn-hero::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--white);opacity:0.85;flex-shrink:0;}
  .btn-hero:hover{box-shadow:0 18px 38px rgba(0,89,63,0.34);}
  .hero-actions .btn-ghost{flex:2;justify-content:center;}
  @media (max-width:600px){
    .hero .eyebrow{font-size:11px;}
    .hero p.lede{font-size:14.5px;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .btn-hero{width:100%;flex:none;justify-content:center;font-size:16px;padding:19px 22px;order:-1;}
    .hero-actions .btn-ghost{width:100%;flex:none;justify-content:center;font-size:12px;padding:12px 18px;}
    .brand-pillars{gap:16px;margin-top:26px;padding-top:20px;}
    .brand-pillars span{font-size:10.5px;}
  }
  .hero h1 em{font-style:normal;color:var(--emerald);}
  .hero p.lede{font-size:17px;color:var(--ink-dim);max-width:480px;margin-bottom:32px;}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
  .brand-pillars{display:flex;gap:30px;flex-wrap:wrap;margin-top:38px;padding-top:28px;border-top:1px solid var(--line);}
  .brand-pillars span{display:flex;align-items:center;gap:9px;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-dim);}
  .brand-pillars span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--emerald);display:inline-block;flex-shrink:0;}
  .hero-panel{
    border:1px solid var(--emerald);padding:22px;background:var(--white);
    font-family:'IBM Plex Mono',monospace;
  }
  .hero-panel .hp-title{font-size:11px;letter-spacing:0.16em;color:var(--emerald-deep);text-transform:uppercase;margin-bottom:14px;}
  .hero-panel .hp-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px;color:var(--ink-dim);}
  .hero-panel .hp-row:last-child{border-bottom:none;}
  .hero-panel .hp-row b{color:var(--ink);font-weight:600;}
  .hero-side{display:flex;flex-direction:column;gap:12px;align-self:stretch;}
  .hero-mini-card{border:1px solid var(--emerald);background:var(--white);padding:16px;}
  .hero-mini-card .hp-title{font-size:9.5px;letter-spacing:0.14em;color:var(--emerald-deep);text-transform:uppercase;font-family:'IBM Plex Mono',monospace;margin-bottom:6px;}
  .hero-mini-card h3{font-size:15px;margin-bottom:6px;text-transform:none;font-family:'Inter',sans-serif;font-weight:700;letter-spacing:0;}
  .hero-mini-card p{color:var(--ink-dim);font-size:11.5px;line-height:1.5;margin:0 0 12px;}
  .hero-mini-card .btn{width:100%;justify-content:center;font-size:12px;padding:10px 16px;}
  .hero-mini-card--featured{
    padding:40px 32px;flex:1;display:flex;flex-direction:column;justify-content:center;
  }
  .hero-mini-card--featured .hp-title{font-size:11px;}
  .hero-mini-card--featured h3{font-size:28px;margin-bottom:14px;}
  .hero-mini-card--featured p{font-size:14.5px;line-height:1.7;margin-bottom:24px;}
  .hero-mini-card--featured .btn{font-size:14px;padding:16px 20px;}
  /* 兩欄並排,但空間不足 185px 時自動疊回單欄（避免按鈕文字被擠斷行） */
  .hero-mini-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:12px;}
  /* 說明文字行數不一時,按鈕仍對齊在卡片底部 */
  .hero-mini-row .hero-mini-card{display:flex;flex-direction:column;}
  .hero-mini-row .hero-mini-card p{flex:1;}
  .fw-credentials{display:flex;flex-wrap:wrap;gap:10px 18px;margin-bottom:24px;padding-top:20px;border-top:1px solid var(--line);}
  .fw-credentials span{
    display:flex;align-items:center;gap:7px;
    font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.04em;color:var(--ink-dim);
  }
  .fw-credentials span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--emerald);flex-shrink:0;}
  @media (max-width:860px){.hero-grid{grid-template-columns:1fr;}.hero{padding:96px 0 48px;}}

  /* ---- Ticker (signature element) ---- */
  .ticker-band{
    border-bottom:1px solid var(--line);
    background:var(--cloud-soft);
    overflow:hidden;white-space:nowrap;
    padding:13px 0;
  }
  .ticker-track{display:inline-block;padding-left:100%;animation:ticker 32s linear infinite;}
  .ticker-track span{
    font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:0.06em;
    color:var(--ink-dim);margin-right:44px;
  }
  .ticker-track span b{color:var(--emerald-deep);font-weight:600;}
  @keyframes ticker{0%{transform:translateX(0);}100%{transform:translateX(-100%);}}
  @media (prefers-reduced-motion:reduce){.ticker-track{animation:none;padding-left:0;}}

  /* ---- Generic sections ---- */
  section.block{padding:88px 0;border-bottom:1px solid var(--line);}
  section.block:last-of-type{border-bottom:none;}
  .block-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
  .block-head h2{font-size:clamp(26px,3.4vw,38px);}
  .block-head p{color:var(--ink-dim);max-width:420px;font-size:14.5px;margin-top:10px;}

  /* Booking cards */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  .book-card{background:var(--white);padding:32px 28px;display:flex;flex-direction:column;gap:16px;}
  .book-card .bc-num{font-family:'IBM Plex Mono',monospace;color:var(--emerald-deep);font-size:13px;}
  .book-card h3{font-size:21px;}
  .book-card .bc-meta{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--emerald);display:flex;gap:16px;}
  .book-card p{color:var(--ink-dim);font-size:14px;flex:1;}
  .book-card .bc-price{font-family:'Oswald',sans-serif;font-size:26px;color:var(--ink);}
  .book-card .bc-price span{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-faint);}
  @media (max-width:860px){.grid-3{grid-template-columns:1fr;}}

  /* Bay illustration cards */
  .grid-3-bay{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .bay-card{border:1px solid var(--line);background:var(--white);}
  .bay-screen{
    aspect-ratio:16/10;position:relative;overflow:hidden;
    background:
      linear-gradient(180deg, var(--emerald-tint), var(--cloud-soft)),
      repeating-linear-gradient(0deg, transparent, transparent 23px, rgba(21,33,25,0.05) 24px),
      repeating-linear-gradient(90deg, transparent, transparent 23px, rgba(21,33,25,0.05) 24px);
    border-bottom:1px solid var(--line);
  }
  .bay-screen .arc{position:absolute;left:50%;bottom:-30%;width:220%;height:220%;border:1px solid rgba(0,148,115,0.4);border-radius:50%;transform:translateX(-50%);}
  .bay-screen .arc2{width:150%;height:150%;border-color:rgba(0,89,63,0.28);}
  .bay-screen .dot{position:absolute;width:6px;height:6px;background:var(--emerald-deep);border-radius:50%;top:30%;left:62%;box-shadow:0 0 10px var(--emerald);}
  .bay-photo{width:100%;height:100%;object-fit:cover;display:block;}
  .bay-info{padding:22px 24px;}
  .bay-info .eyebrow{margin-bottom:10px;}
  .bay-info h3{font-size:19px;margin-bottom:10px;}
  .bay-info ul{margin:0;padding:0;list-style:none;font-size:13.5px;color:var(--ink-dim);}
  .bay-info li{padding:6px 0;border-top:1px dashed var(--line);}
  .bay-info li:first-child{border-top:none;}
  .bay-book-btn{
    display:inline-flex;align-items:center;gap:8px;margin-top:16px;
    font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.06em;text-transform:uppercase;
    color:var(--emerald-deep);text-decoration:none;border-bottom:1px solid var(--emerald);padding-bottom:2px;
  }
  .bay-book-btn:hover{color:var(--emerald);}
  @media (max-width:860px){.grid-3-bay{grid-template-columns:1fr;}}

  /* About */
  .about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;}
  .about-grid .pillars{display:flex;flex-direction:column;gap:22px;margin-top:28px;}
  .pillar{display:flex;gap:16px;}
  .pillar .pn{font-family:'IBM Plex Mono',monospace;color:var(--emerald);font-size:13px;padding-top:2px;}
  .pillar h4{font-size:16px;margin-bottom:6px;}
  .pillar p{color:var(--ink-dim);font-size:14px;margin:0;}
  .about-copy p{color:var(--ink-dim);font-size:15.5px;margin-bottom:16px;}
  .about-copy p:first-child{color:var(--ink);font-size:19px;font-family:'Oswald',sans-serif;text-transform:none;letter-spacing:0.01em;line-height:1.5;}
  @media (max-width:860px){.about-grid{grid-template-columns:1fr;}}

  /* Workshop pricing table */
  .price-table{border:1px solid var(--line);background:var(--white);}
  .price-row{display:grid;grid-template-columns:1fr auto;gap:16px;padding:20px 24px;border-bottom:1px solid var(--line);align-items:center;}
  .price-row.head{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--emerald-deep);background:var(--cloud-soft);}
  .price-row:last-child{border-bottom:none;}
  .price-row h4{font-size:16px;text-transform:none;font-family:'Inter',sans-serif;font-weight:600;}
  .price-row .pm{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--ink-dim);}
  .price-row .price{font-family:'Oswald',sans-serif;font-size:19px;color:var(--emerald-deep);}
  .price-row .desc{font-size:13.5px;color:var(--ink-dim);}
  @media (max-width:760px){
    .price-row{grid-template-columns:1fr;gap:6px;}
    .price-row.head{display:none;}
  }

  /* Shaft library */
  .lib-banner{
    display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
    border:1px solid var(--emerald);background:var(--emerald-tint);padding:26px 28px;margin-bottom:48px;
  }
  .lib-banner h3{font-size:19px;color:var(--emerald-deep);}
  .lib-banner p{color:var(--ink-dim);font-size:14px;margin:6px 0 0;}
  .trial-intro{
    border:1px solid var(--line);background:var(--white);padding:30px 32px;position:relative;overflow:hidden;
  }
  .trial-intro::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--emerald);}
  .trial-intro .ti-top{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:10px;}
  .trial-intro h2{font-size:clamp(20px,2.6vw,26px);color:var(--ink);}
  .trial-intro .ti-duration{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--emerald-deep);letter-spacing:0.04em;white-space:nowrap;}
  .trial-intro .ti-tagline{font-size:14px;color:var(--ink);font-weight:600;margin-bottom:16px;}
  .trial-intro p.ti-body{color:var(--ink-dim);font-size:13.5px;line-height:1.8;margin:0 0 12px;}
  .trial-intro .ti-footer{
    display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
    margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
  }
  .trial-intro .ti-price{font-family:'Oswald',sans-serif;font-size:21px;color:var(--ink);}
  .trial-intro .ti-price span{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-faint);margin-left:6px;}
  .trial-intro .ti-note{font-size:11.5px;color:var(--emerald-deep);margin-top:4px;}
  .catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
  .index-card{
    border:1px solid var(--line);background:var(--white);padding:16px 18px;
    position:relative;
    min-height:150px;display:flex;flex-direction:column;
  }
  .index-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--emerald);opacity:0.8;
  }
  .index-card .ic-id{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--emerald-deep);letter-spacing:0.06em;}
  .index-card h4{font-size:15px;margin:7px 0 11px;text-transform:none;font-family:'Inter',sans-serif;font-weight:600;line-height:1.3;}
  .index-card[data-shaft]{cursor:pointer;transition:background .2s ease;}
  .index-card[data-shaft]:hover{background:var(--cloud-soft);}
  .ic-official{grid-column:1 / -1;margin-top:6px;}
  .ic-official span{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--emerald-deep);}
  .shaft-spec-table th,.shaft-spec-table td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;white-space:nowrap;}
  .shaft-spec-table thead th{color:var(--emerald-deep);font-size:10px;text-transform:uppercase;letter-spacing:0.04em;border-bottom:1px solid var(--line-strong);}
  .shaft-spec-table td{color:var(--ink-dim);}
  .ic-specs{display:flex;flex-direction:column;flex:1;gap:6px 12px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--ink-dim);}
  .ic-official{margin-top:auto;}
  .ic-specs div b{display:block;color:var(--ink-faint);font-size:9px;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:1px;}
  .ic-chips{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:5px;margin-bottom:2px;}
  .ic-chip{
    border:1px solid var(--line-strong);border-radius:3px;padding:4px 7px;
    font-family:'IBM Plex Mono',monospace;font-size:10px;line-height:1.3;color:var(--ink-dim);
    background:var(--cloud-soft);white-space:nowrap;
  }
  .ic-chip b{color:var(--emerald-deep);font-weight:600;}
  .ic-specs .ic-profile{grid-column:1 / -1;}
  @media (max-width:960px){.catalog-grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:600px){.catalog-grid{grid-template-columns:1fr;}}
  .shaft-group-title{
    display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
    font-family:'Oswald',sans-serif;font-size:17px;letter-spacing:0.02em;text-transform:uppercase;color:var(--ink);
    margin:40px 0 16px;padding-top:20px;border-top:1px solid var(--line);
  }
  .shaft-group-title:first-of-type{margin-top:28px;padding-top:0;border-top:none;}
  .shaft-group-title span{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.04em;text-transform:none;color:var(--ink-faint);}

  .shaft-types{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
  .shaft-type{border-top:2px solid var(--emerald);padding-top:16px;}
  .shaft-type h4{font-size:16px;margin-bottom:8px;}
  .shaft-type p{font-size:13.5px;color:var(--ink-dim);}
  @media (max-width:760px){.shaft-types{grid-template-columns:1fr;}}

  /* Studio Notes */
  .cat-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;}
  .cat-filters button{
    font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.06em;text-transform:uppercase;
    padding:9px 16px;border:1px solid var(--line-strong);background:none;color:var(--ink-dim);cursor:pointer;
    transition:all .2s ease;
  }
  .cat-filters button:hover{color:var(--ink);}
  .cat-filters button.active{background:var(--emerald);border-color:var(--emerald);color:var(--white);font-weight:600;}
  .notes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  .note-card{background:var(--white);padding:30px 28px;display:flex;flex-direction:column;gap:14px;}
  .note-card .nc-tag{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--emerald-deep);}
  .note-card h3{font-size:19px;text-transform:none;font-family:'Inter',sans-serif;font-weight:700;letter-spacing:0;}
  .note-card p{color:var(--ink-dim);font-size:14px;flex:1;margin:0;}
  .note-card .nc-read{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--emerald);letter-spacing:0.06em;}
  .note-card.soon{opacity:0.55;}
  .note-card[data-term]{cursor:pointer;transition:background .2s ease;}
  .note-card[data-term]:hover{background:var(--cloud-soft);}
  .nc-source{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--ink-faint);margin-top:-4px;}
  .nc-source a{color:var(--emerald-deep);text-decoration:none;border-bottom:1px solid var(--emerald);}
  .nc-source a:hover{color:var(--emerald);}
  .nc-links{list-style:none;margin:-6px 0 0;padding:0;display:flex;flex-direction:column;gap:6px;}
  .nc-links li{font-family:'IBM Plex Mono',monospace;font-size:11.5px;}
  .nc-links a{color:var(--emerald-deep);text-decoration:none;border-bottom:1px solid var(--emerald);}
  .nc-links a:hover{color:var(--emerald);}
  .nc-external{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--emerald-deep);text-decoration:none;border-bottom:1px solid var(--emerald);align-self:flex-start;}
  .nc-external:hover{color:var(--emerald);}
  .term-detail{padding-top:4px;scroll-margin-top:96px;}
  .term-back{
    display:inline-flex;align-items:center;gap:9px;margin-top:36px;
    background:var(--ink);color:var(--cloud);border:none;
    padding:14px 24px;border-radius:999px;
    font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:0.06em;text-transform:uppercase;font-weight:600;
    cursor:pointer;transition:background .2s ease;
  }
  .term-back:hover{background:var(--emerald-deep);}
  .term-detail h2{font-size:clamp(24px,3.2vw,34px);margin:14px 0 30px;max-width:640px;}
  .term-body{max-width:640px;}
  .term-body p{color:var(--ink-dim);font-size:15px;line-height:1.8;margin:0 0 16px;}
  .term-body h4{font-size:13px;text-transform:uppercase;letter-spacing:0.08em;font-family:'IBM Plex Mono',monospace;color:var(--emerald-deep);margin:30px 0 12px;}
  .term-body ul{margin:0 0 16px;padding-left:20px;color:var(--ink-dim);font-size:14.5px;line-height:1.85;}
  .term-body li{margin-bottom:6px;}
  @media (max-width:760px){.notes-grid{grid-template-columns:1fr;}}

  /* Footer */
  footer{padding:64px 0 64px;background:var(--cloud);color:var(--ink);margin-top:0;border-top:1px solid var(--line);}
  footer.wrap{padding-top:64px;padding-bottom:64px;}
  .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;margin-bottom:48px;}
  footer .logo .b19{font-size:20px;color:var(--ink);}
  footer .logo .sub{color:var(--emerald);}
  footer p.tag{color:var(--ink-dim);font-size:13.5px;margin-top:14px;max-width:280px;}
  footer h5{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--emerald-deep);margin:0 0 16px;}
  footer .flist{list-style:none;padding:0;margin:0;font-size:14px;color:var(--ink-dim);display:flex;flex-direction:column;gap:10px;}
  footer .flist-nav a{
    background:none;border:none;padding:0;margin:0;cursor:pointer;
    font-family:'Inter',sans-serif;font-size:14px;color:var(--ink-dim);text-align:left;
    transition:color .2s ease;
  }
  footer .flist-nav a:hover{color:var(--emerald-deep);}
  .footer-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--ink-faint);letter-spacing:0.04em;}
  @media (max-width:760px){.footer-grid{grid-template-columns:1fr;gap:32px;}}

  ::selection{background:var(--emerald);color:var(--white);}

  .float-cta{
    position:fixed;right:22px;bottom:22px;z-index:70;
    display:flex;align-items:center;gap:9px;
    background:var(--emerald);color:var(--white);
    padding:15px 22px;border-radius:999px;
    font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:0.06em;text-transform:uppercase;font-weight:600;
    text-decoration:none;box-shadow:0 10px 28px rgba(0,89,63,0.28);
    transition:transform .2s ease, background .2s ease;
  }
  .float-cta::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--white);flex-shrink:0;}
  .float-cta:hover{background:var(--emerald-deep);transform:translateY(-2px);}
  @media (max-width:600px){.float-cta{right:14px;bottom:14px;padding:13px 18px;font-size:12px;}}
  /* --- 上線調整 --- */
  nav.links a.nav-link{text-decoration:none;}
  footer .flist-nav a{text-decoration:none;background:none;border:none;padding:0;cursor:pointer;}
  .note-card[data-tmterm]{cursor:pointer;transition:background .2s ease;}
  .note-card[data-tmterm]:hover{background:var(--cloud-soft);}
  .note-card[data-term]:focus-visible,.note-card[data-tmterm]:focus-visible{outline:2px solid var(--emerald);outline-offset:3px;}
  a:focus-visible,button:focus-visible{outline:2px solid var(--emerald);outline-offset:3px;}
  .ticker-track b{font-weight:600;}
  .skip-link{position:absolute;left:-9999px;top:0;background:var(--emerald);color:#fff;padding:10px 16px;z-index:200;}
  .skip-link:focus{left:8px;top:8px;}