:root{
  --paper:#FFFFFF;
  --surface:#F5F8FC;
  --surface-blue:#EEF5FF;
  --surface-elevated:#FFFFFF;
  --navy-950:#001435;
  --navy-900:#08172A;
  --navy-inset:#06142B;
  --navy-700:#263A59;
  --muted:#5F6F88;
  --faint:#8190A7;
  --accent-soft:#DCEBFF;
  --line:rgba(8,23,42,.12);
  --line-strong:rgba(8,23,42,.24);
  --line-on-dark:rgba(255,255,255,.15);
  --text-on-dark:#FFFFFF;
  --muted-on-dark:#AFC0DB;
  --royal:#013590;
  --electric:#0073FE;
  --gradient:linear-gradient(120deg,var(--navy-950),var(--royal) 52%,var(--electric));
  --shadow-surface:0 16px 44px rgba(0,20,53,.08);
  --shadow-system:0 28px 72px rgba(0,20,53,.22);
  --surface-card:#FFFFFF;
  --surface-card-muted:#F7FAFF;
  --card-border:1px solid rgba(0,20,53,.12);
  --card-radius:20px;
  --card-shadow:0 12px 32px rgba(0,20,53,.055);
  --card-shadow-hover:0 18px 42px rgba(0,20,53,.10);
  --shadow:var(--shadow-system);
  --space-compact:16px;
  --space-section:80px;
  --space-section-mobile:58px;
  --space-hero:112px;
  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:26px;
  --container:1180px;
  --font:"Inter","Noto Sans TC",-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei","Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--navy-900);font-family:var(--font);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit}
:where(a,button,summary):focus-visible{outline:3px solid var(--electric);outline-offset:3px;border-radius:6px}
.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
.section{padding:var(--space-section) 0;border-top:0}
.section--soft{background:var(--surface)}
.section-heading{max-width:760px;margin-bottom:32px}
.eyebrow{margin:0 0 12px;color:var(--royal);font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,66px);line-height:1.12;letter-spacing:-.035em}
h2{font-size:clamp(30px,3.5vw,46px);line-height:1.2;letter-spacing:-.025em}
h3{line-height:1.35}
.lead{max-width:650px;color:var(--muted);font-size:clamp(17px,2vw,20px)}
.button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:11px 22px;border:1px solid transparent;border-radius:var(--radius-sm);font-weight:800;transition:transform .18s ease,border-color .18s ease,background .18s ease}
.button--primary{background:var(--gradient);color:#fff;box-shadow:0 12px 30px rgba(0,115,254,.2)}
.button--secondary{border-color:var(--line-strong);background:#fff;color:var(--navy-900)}
.button:hover{transform:translateY(-1px)}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card,.industry-card,.stage-card,.trust-card{border:var(--card-border);border-radius:var(--card-radius);background:var(--surface-card);box-shadow:var(--card-shadow)}
.card{padding:24px}
@media(max-width:900px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.container{width:min(100% - 32px,var(--container))}.section{padding:var(--space-section-mobile) 0}.section-heading{margin-bottom:28px}}
@media(max-width:360px){.card-grid,.industry-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.system-panel *, .primary-nav *, .button{animation:none!important;transition-duration:.01ms!important}}

body{overflow-x:hidden}
.site-header{position:sticky;top:0;z-index:50;height:76px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.site-header__inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand__lockup{display:grid;gap:4px;line-height:1}
.brand__lockup strong{color:var(--navy-950);font-size:22px;font-weight:900;letter-spacing:.025em}
.brand__lockup small{color:var(--muted);font-size:10px;font-weight:750;letter-spacing:.22em;line-height:1}
.brand img{width:48px;height:48px;object-fit:contain;flex:none}
.site-nav{display:flex;align-items:center}
.nav-toggle{display:none}
.primary-nav{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:14px;font-weight:700}
.primary-nav>a:not(.button){position:relative;padding:8px 0}
.primary-nav a[aria-current="page"]{color:var(--navy-900);font-weight:850}
.page-hero{position:relative;overflow:hidden;padding:var(--space-hero) 0 104px;background:linear-gradient(180deg,#fff 0%,#F6F9FE 100%)}
.page-hero__grid{position:relative;display:grid;grid-template-columns:minmax(0,1.04fr) minmax(380px,.96fr);gap:72px;align-items:center}
.page-hero__grid>div:first-child{max-width:690px}
.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.flow-card{padding:22px;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);background:linear-gradient(145deg,var(--navy-950),var(--navy-900));color:#fff;box-shadow:var(--shadow)}
.flow-card__label{color:#B7C5DA;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.flow-card ol{list-style:none;margin:22px 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;counter-reset:flow}
.flow-card li{counter-increment:flow;min-height:88px;padding:16px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-sm);background:rgba(255,255,255,.055);font-weight:800}
.flow-card li::before{content:"0" counter(flow);display:block;margin-bottom:10px;color:#7DB9FF;font-size:11px;letter-spacing:.12em}
.flow-card__note{margin:0;color:#B7C5DA;font-size:13px}
.system-panel{position:relative;overflow:hidden;padding:22px;border:1px solid var(--line-on-dark);border-radius:var(--radius-lg);background:var(--navy-950);color:var(--text-on-dark);box-shadow:var(--shadow-system)}
.system-panel>*{position:relative}
.system-panel__rail{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:0;border-bottom:0;color:var(--muted-on-dark);font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.system-panel__nodes,.system-panel__stage-rail,.system-panel__signal-list{list-style:none;margin:18px 0;padding:0;display:grid;gap:10px}
.system-panel__nodes{grid-template-columns:repeat(2,minmax(0,1fr))}
.system-panel__nodes li,.system-panel__stage-rail li,.system-panel__signal-list li{position:relative;min-height:74px;padding:14px;border:1px solid var(--line-on-dark);border-radius:var(--radius-sm);background:rgba(255,255,255,.055)}
.system-panel__nodes span,.system-panel__stage-rail span{display:block;margin-bottom:8px;color:#7DB9FF;font-size:11px;font-weight:800;letter-spacing:.12em}
.system-panel__signal-list{grid-template-columns:repeat(2,minmax(0,1fr))}
.system-panel__signal-list li:last-child{grid-column:1/-1;min-height:auto}
.system-panel__stage-rail li{min-height:auto;padding-left:42px}
.system-panel__stage-rail span{position:absolute;left:14px;top:14px}
.system-panel__note{margin:0;color:var(--muted-on-dark);font-size:13px}
.problem-grid,.service-group-grid,.trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.service-group-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.trust-grid,.capability-grid{align-items:start}
.industry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:1fr;align-items:stretch;gap:16px}
.industry-card{min-height:168px;display:flex;flex-direction:column;justify-content:space-between;padding:22px}
.capability-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.capability-card{border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;padding:22px}
.stage-list{display:grid;gap:16px;counter-reset:stage}
.contact-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:44px;align-items:center;border-radius:var(--radius-lg);padding:48px;background:linear-gradient(145deg,var(--navy-950),var(--navy-900));color:#fff;box-shadow:var(--shadow)}
.contact-panel__qr{width:150px;border-radius:14px;background:#fff;padding:8px}
.site-footer{padding:44px 0;background:var(--navy-950);color:#B7C5DA}
.site-footer__grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:flex-start;gap:14px}
.footer-brand>img{width:36px;height:36px;object-fit:contain;flex:none}
.footer-brand__lockup{display:grid;gap:4px}
.footer-brand__lockup strong{color:#fff;font-size:19px;font-weight:900;line-height:1.25}
.footer-brand__lockup small{font-size:10px;font-weight:750;letter-spacing:.22em}
.footer-brand__lockup p{margin:2px 0 0;color:var(--muted-on-dark);font-size:13px}
.site-footer nav,.site-footer__grid>div:last-child{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.legal{width:min(860px,calc(100% - 40px));margin:72px auto 96px}
.legal__summary,.notice{padding:22px 24px;border-left:0;border-radius:var(--radius-md);background:var(--surface);color:var(--navy-900)}
.legal section{padding:28px 0;border-bottom:0}
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.js .reveal.is-visible{opacity:1;transform:none}
@media(max-width:900px){
  .js .site-nav{position:relative}
  .js .nav-toggle{display:inline-flex;min-height:44px;align-items:center;padding:8px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:#fff;color:var(--navy-900);cursor:pointer;font:inherit;font-weight:800}
  .js .primary-nav{position:absolute;top:calc(100% + 8px);right:0;width:min(320px,calc(100vw - 32px));flex-direction:column;align-items:stretch;gap:4px;padding:16px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow)}
  .js .primary-nav:not([data-open]){display:none}
  .js .primary-nav[data-open]{display:flex}
  html:not(.js) .site-header{height:auto}
  html:not(.js) .site-header__inner{height:auto;min-height:64px;flex-wrap:wrap;gap:8px 16px;padding:10px 0}
  html:not(.js) .site-nav{width:100%}
  html:not(.js) .primary-nav{position:static;width:100%;flex-direction:row;flex-wrap:wrap;align-items:center;gap:4px;padding:0 0 6px}
  html:not(.js) .primary-nav>.button{margin-top:4px}
  .primary-nav>a:not(.button){padding:10px 12px}
  .page-hero__grid{grid-template-columns:1fr;gap:40px}
  .system-panel{max-width:680px}
  .site-footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .js .site-header{height:64px}
  .brand{gap:9px}
  .brand img{width:40px;height:40px}
  .brand__lockup strong{font-size:18px}
  .brand__lockup small{font-size:9px}
  .page-hero{padding:72px 0 64px}
  .page-hero__grid{gap:30px}
  .button-row .button--primary{flex:1 1 100%}
  .button-row .button--secondary{flex:0 1 auto}
  .system-panel{padding:18px;border-radius:20px}
  .system-panel__nodes li{min-height:64px;padding:12px}
  .system-panel__rail{font-size:10px}
  .system-panel--home{padding:14px 16px}
  .system-panel--home .system-panel__nodes{margin:12px 0;gap:8px}
  .system-panel--home .system-panel__nodes li{min-height:58px;padding:10px}
  .system-panel--home .system-panel__note{font-size:12px;line-height:1.55}
  .service-group-grid,.trust-grid,.capability-grid{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .industry-card{min-height:150px;padding:18px}
  .contact-panel{grid-template-columns:1fr;padding:30px 22px}
  .contact-panel__qr{width:132px}
  .site-footer{padding:36px 0}
  .footer-brand>img{width:36px;height:36px}
  .site-footer__grid{grid-template-columns:1fr}
}
@media(max-width:360px){.industry-grid{grid-template-columns:1fr}}

/* Shared card variants and legal typography. */
.trust-card{padding:26px}
.card h3,.industry-card h3,.capability-card h3,.stage-card h3,.trust-card h3{font-size:18px}
.card p,.industry-card p,.capability-card p,.stage-card p,.trust-card p{color:var(--muted)}
a.card,a.industry-card,a.capability-card,a.stage-card,a.trust-card{transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
a.card:is(:hover,:focus-visible),a.industry-card:is(:hover,:focus-visible),a.capability-card:is(:hover,:focus-visible),a.stage-card:is(:hover,:focus-visible),a.trust-card:is(:hover,:focus-visible){border-color:var(--line-strong);box-shadow:var(--card-shadow-hover);transform:translateY(-2px)}
.legal h1{font-size:clamp(34px,4vw,52px)}
.legal h2{margin-bottom:12px;font-size:24px;letter-spacing:-.015em}
.legal p,.legal li{color:var(--muted)}
.legal section a:not(.button){color:var(--royal);font-weight:700;text-decoration:underline;text-decoration-thickness:.1em;text-underline-offset:.18em}
.legal section a:not(.button):hover{color:var(--electric);text-decoration-thickness:.14em}
.legal section a:not(.button):focus-visible{color:var(--navy-950)}
.copy-status{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0}

/* Homepage information hierarchy. */
.problem-sequence{position:relative;counter-reset:problem}
.problem-sequence .card{position:relative}
.step-index{display:block;margin:0;color:var(--royal);font-size:12px;font-weight:850;letter-spacing:.14em;line-height:1}
.problem-grid .card{display:grid;align-content:start;gap:10px}
.problem-grid .card h3,.problem-grid .card p{margin:0}
.service-overview .card{display:grid;align-content:start;gap:0;min-height:0}
.service-overview .card h3{margin:0}
.service-section__inner{display:grid;grid-template-columns:minmax(220px,.72fr) minmax(0,1.28fr);gap:64px;align-items:start}
.service-section .section-heading{position:sticky;top:116px;margin-bottom:0}
.service-section .capability-grid{gap:12px}
.capability-card{position:relative;display:grid;align-content:start;gap:8px;overflow:hidden;box-shadow:none}
.capability-card h3,.capability-card p,.trust-card>p{margin:0}
@media(max-width:900px){
  .service-section__inner{grid-template-columns:1fr;gap:30px}
  .service-section .section-heading{position:static}
}
.home-industry-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.home-industry-grid .industry-card{display:flex;min-height:0;flex-direction:column;justify-content:flex-start;gap:10px;padding:22px 24px}
.home-industry-grid .industry-card h3{margin:0;font-size:18px;font-weight:850;line-height:1.35}
.industry-card__summary{margin:0;color:var(--muted);font-size:14px;line-height:1.55}
.home-stage-rail{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.home-stage-rail .stage-card{display:flex;min-height:0;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:22px;padding:30px 24px}
.home-stage-rail .stage-card h3{margin:0}
.trust-band{padding:0;background:transparent;box-shadow:none}
.trust-band .trust-card{border:var(--card-border);background:var(--surface-card);color:var(--navy-900);box-shadow:var(--card-shadow)}
.trust-band .trust-card h3{margin:0}
@media(max-width:900px){.problem-grid,.service-group-grid,.home-industry-grid,.home-stage-rail{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.problem-grid,.service-group-grid,.trust-grid,.home-stage-rail{grid-template-columns:1fr}.home-industry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.home-industry-grid .industry-card{padding:18px 16px}.home-stage-rail .stage-card{gap:16px;padding:18px}}
@media(max-width:360px){.home-industry-grid{grid-template-columns:1fr}}

/* Approach and About information hierarchy. */
[data-industry]{display:flex;min-height:0;flex-direction:column;justify-content:flex-start;gap:10px;padding:22px 24px}
[data-industry] h2{margin:2px 0 0;font-size:clamp(24px,2.1vw,32px);line-height:1.18}
[data-industry] p{margin:0;color:var(--muted);font-size:15px;line-height:1.65}
[data-stage-rail]{display:grid;gap:16px;border:0;background:transparent;overflow:visible}
[data-stage-rail] .stage-card{display:grid;grid-template-columns:minmax(220px,.3fr) minmax(0,.7fr);align-items:start;gap:28px;margin:0;padding:24px;border:var(--card-border);border-radius:var(--card-radius);background:var(--surface-card);box-shadow:var(--card-shadow)}
.stage-card__summary{display:grid;align-content:start;justify-items:start;gap:10px}
.stage-card__summary h3{margin:0}
.stage-card__details{display:grid;align-content:start;gap:8px}
.stage-card__details p{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px;margin:0;padding:10px 12px;border:0;border-radius:12px;background:var(--surface-card-muted);line-height:1.55}
.stage-card__label{color:var(--royal);font-size:12px;font-weight:850;letter-spacing:.04em}
.control-band{padding:22px;border-radius:var(--radius-lg);background:linear-gradient(145deg,var(--navy-950),var(--navy-inset));box-shadow:var(--shadow-system)}
.control-band .trust-card{border-color:var(--line-on-dark);background:rgba(255,255,255,.055);color:#fff}
.control-band .trust-card p{color:var(--muted-on-dark)}
.principle-grid .card{box-shadow:none}
.company-facts{grid-template-columns:repeat(5,minmax(0,1fr));grid-auto-rows:1fr;align-items:stretch;gap:10px}
.company-facts .trust-card{padding:20px;box-shadow:none}
@media(max-width:620px){
  h1{font-size:clamp(34px,10vw,48px);line-height:1.16}
  .lead{font-size:17px;line-height:1.7}
  .system-panel__stage-rail{gap:8px}
  [data-stage-rail] .stage-card{grid-template-columns:1fr;gap:14px;padding:18px}
  .stage-card__details p{grid-template-columns:1fr;gap:4px}
  .control-band{padding:14px}
  .company-facts{grid-template-columns:1fr 1fr}
}
@media(max-width:360px){.company-facts{grid-template-columns:1fr}}

/* Legacy industry-page compatibility (v0.1 pages remain directly readable). */
:root{
  --soft:var(--surface);
  --card:var(--paper);
  --ink:var(--navy-900);
  --mut:var(--muted);
  --line2:var(--line-strong);
  --dark:var(--navy-950);
  --dark2:var(--navy-900);
  --ondark:#FFFFFF;
  --ondark-mut:#A7B4CE;
  --ondark-line:rgba(255,255,255,.16);
  --brand-gradient:var(--gradient);
  --sans:var(--font);
}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
.mono{font-family:var(--sans);font-weight:600;font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--mut)}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(255,255,255,.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav .row{display:flex;align-items:center;justify-content:space-between;height:70px}
.nav .brand,footer:not(.site-footer) .brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;letter-spacing:.02em}
.nav .brand img,footer:not(.site-footer) .brand img{width:40px;height:40px;object-fit:contain}
.nav .brand small,footer:not(.site-footer) .brand small{display:block;font-weight:600;font-size:11px;color:var(--royal);letter-spacing:.18em;line-height:1.2}
.navlinks{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:600;color:var(--mut)}
.navlinks a:hover{color:var(--ink)}
.solutions-nav{position:relative;color:var(--ink)}
.solutions-nav summary{display:flex;align-items:center;min-height:44px;padding:8px 12px;border:1.5px solid var(--line2);
  border-radius:9px;background:#FFFFFF;cursor:pointer;list-style:none;white-space:nowrap;font-weight:800}
.solutions-nav summary::-webkit-details-marker{display:none}
.solutions-nav summary::after{content:"＋";margin-left:8px;font-weight:600;color:var(--mut)}
.solutions-nav[open] summary::after{content:"−"}
.solutions-menu{position:absolute;top:calc(100% + 10px);right:0;width:min(350px,calc(100vw - 32px));padding:8px;
  border:1px solid var(--line);border-radius:12px;background:#FFFFFF;box-shadow:0 18px 44px rgba(8,23,42,.18)}
.solutions-menu a{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;padding:11px 12px;
  border-radius:8px;color:var(--ink)}
.solutions-menu a:hover{background:var(--soft)}
.solutions-menu a span{font-weight:800}
.solutions-menu a small{font-size:11.5px;line-height:1.4;color:var(--mut);white-space:nowrap}
.solutions-menu .solutions-contact{margin-top:6px;padding-top:13px;border-top:1px solid var(--line);border-radius:0}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  padding:12px 26px;border-radius:9px;transition:transform .15s,background .15s,border-color .15s;border:0;cursor:pointer}
.btn-solid{background:var(--brand-gradient);color:#FFFFFF}
.btn-solid:hover{background:linear-gradient(118deg,var(--royal),var(--electric));transform:translateY(-1px)}
.btn-ghost{border:1.5px solid var(--line2);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}
.btn-inv{background:#FFFFFF;color:var(--ink)}
.btn-inv:hover{background:#E9EEF6;transform:translateY(-1px)}
.nav .btn{padding:9px 18px;font-size:14px}
@media(max-width:760px){
  .navlinks .lnk,.navlinks>.btn{display:none}
  .navlinks{gap:0}
  .solutions-nav summary{min-height:46px}
}
@media(max-width:420px){
  .wrap{padding-left:18px;padding-right:18px}
  .nav .brand,footer:not(.site-footer) .brand{gap:9px;font-size:15px}
  .nav .brand img,footer:not(.site-footer) .brand img{width:36px;height:36px}
  .nav .brand small,footer:not(.site-footer) .brand small{font-size:9px}
  .solutions-nav summary{padding:8px 10px;font-size:13px}
  .solutions-menu{right:-2px;width:calc(100vw - 36px)}
}

/* ---------- hero ---------- */
.hero{position:relative;padding:180px 0 110px;overflow:hidden;background:var(--paper)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(8,23,42,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(8,23,42,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(75% 70% at 50% 25%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(75% 70% at 50% 25%,#000 30%,transparent 100%)}
#net{position:absolute;inset:0;pointer-events:none;opacity:.5}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
@media(max-width:960px){.hero .wrap{grid-template-columns:1fr}.hero{padding-top:135px}}
.hero h1{font-size:clamp(34px,4.6vw,50px);font-weight:900;line-height:1.32;margin:18px 0 22px;
  letter-spacing:.01em;text-wrap:balance}
.hero p.lead{font-size:17px;color:var(--mut);max-width:30em;margin:0 0 34px}
.btnrow{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.chips{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--faint)}
.chips span::before{content:"◆";font-size:8px;color:var(--ink);margin-right:8px;vertical-align:2px;opacity:.5}
.status-line{display:inline-flex;align-items:center;gap:10px;margin-bottom:6px}
.badge{font-size:11.5px;font-weight:800;color:var(--ink);border:1.5px solid var(--ink);
  border-radius:999px;padding:2px 12px;white-space:nowrap}

/* ---------- dark demo panel（黑色區塊） ---------- */
.panel-dark{position:relative;border-radius:16px;background:linear-gradient(145deg,var(--dark),var(--dark2));color:var(--ondark);
  box-shadow:0 30px 70px rgba(8,23,42,.25);overflow:hidden;font-size:13.5px}
.panel-dark .bar{display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-bottom:1px solid var(--ondark-line);background:rgba(255,255,255,.04)}
.panel-dark .dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.22)}
.panel-dark .bar .ttl{margin-left:8px;font-weight:700;font-size:13px;color:var(--ondark-mut)}
.panel-dark .live{margin-left:auto;font-weight:600;font-size:10px;letter-spacing:.18em;color:var(--ondark-mut);
  display:flex;align-items:center;gap:6px;text-transform:uppercase}
.panel-dark .live i{width:7px;height:7px;border-radius:50%;background:var(--electric);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media (prefers-reduced-motion:reduce){.panel-dark .live i{animation:none}}
.panel-dark .body{padding:20px 22px 22px}
.panel-dark .date{font-weight:600;font-size:11px;letter-spacing:.16em;color:var(--ondark-mut);margin-bottom:6px;text-transform:uppercase}
.panel-dark h4{margin:0 0 14px;font-size:16px;font-weight:800;color:var(--ondark)}
.panel-note{margin-top:12px;text-align:center;font-size:12px;color:var(--faint)}

.lead-card{border:1px solid var(--ondark-line);border-radius:11px;background:rgba(255,255,255,.05);
  padding:14px 16px;margin-bottom:12px}
.lead-card .top{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.14);color:#FFFFFF;font-weight:800;font-size:13px;flex:none}
.lead-card .who{font-weight:700;color:var(--ondark)}
.lead-card .meta{font-size:12px;color:var(--ondark-mut)}
.tag{margin-left:auto;font-size:11px;font-weight:800;color:var(--dark);background:#FFFFFF;border-radius:999px;padding:2px 10px}
.quote{color:var(--ondark-mut);margin:0 0 10px}
.ai-line{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.ai-line b{font-weight:700;font-size:10px;letter-spacing:.14em;color:var(--ondark-mut);align-self:center}
.ai-chip{font-size:11.5px;color:#FFFFFF;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:2px 10px}
.reply{border:1px solid var(--ondark-line);border-radius:9px;background:rgba(255,255,255,.08);
  padding:10px 12px;color:var(--ondark);font-size:13px}
.reply .cta{display:block;margin-top:8px;font-size:11.5px;font-weight:800;color:#FFFFFF}
.rows{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.row-s{display:flex;align-items:center;gap:10px;border:1px solid var(--ondark-line);border-radius:10px;
  padding:9px 12px;color:var(--ondark-mut);font-size:13px}
.row-s .st{margin-left:auto;font-size:11.5px;color:var(--ondark-mut)}
.prog{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--ondark-mut)}
.prog .track{flex:1;height:5px;border-radius:99px;background:rgba(255,255,255,.14);overflow:hidden}
.prog .fill{height:100%;border-radius:99px;background:#FFFFFF}

/* pipeline（母公司首頁示意） */
.stage{border:1px solid var(--ondark-line);border-radius:11px;background:rgba(255,255,255,.04);padding:12px 16px}
.stage .lab{font-weight:600;font-size:10px;letter-spacing:.18em;color:var(--ondark-mut);margin-bottom:6px;text-transform:uppercase}
.stage .in-msgs{display:flex;gap:8px;flex-wrap:wrap}
.src{font-weight:600;font-size:10px;letter-spacing:.08em;color:#FFFFFF;
  border:1px solid rgba(255,255,255,.35);border-radius:5px;padding:1px 7px}
.stage.core{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.08)}
.corefn{display:flex;gap:8px;flex-wrap:wrap}
.corefn span{font-size:12px;color:var(--dark);border-radius:999px;padding:3px 12px;background:#FFFFFF;font-weight:700}
.outrow{display:flex;gap:10px}
@media(max-width:520px){.outrow{flex-direction:column}}
.outrow .o{flex:1;border:1px solid var(--ondark-line);border-radius:10px;background:rgba(255,255,255,.04);padding:10px 12px;text-align:center}
.outrow .o b{display:block;font-size:16px;font-weight:800;color:#FFFFFF}
.outrow .o span{font-size:11.5px;color:var(--ondark-mut)}
.pipe-arrow{text-align:center;color:var(--faint);line-height:1;font-size:15px;padding:4px 0}
.panel-dark .body.flow{display:flex;flex-direction:column;gap:10px}

/* ---------- sections ---------- */
section{padding:110px 0;border-top:1px solid var(--line)}
.hero~section .eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.eyebrow .ln{height:1px;width:44px;background:var(--ink);opacity:.35}
.hero~section h2{font-size:clamp(28px,3.6vw,42px);font-weight:900;line-height:1.35;margin:0 0 16px;text-wrap:balance;letter-spacing:.01em}
.subhead{color:var(--mut);max-width:36em;margin:0 0 54px;font-size:16.5px}
.sec-soft{background:var(--soft)}

/* feature cards */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:860px){.feat{grid-template-columns:1fr}}
.fcard{border:1px solid var(--line);border-radius:16px;background:var(--card);
  padding:28px;transition:border-color .2s,transform .2s,box-shadow .2s}
a.fcard:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 34px rgba(8,23,42,.08)}
.fcard .k{font-weight:600;font-size:11px;letter-spacing:.22em;color:var(--mut);margin-bottom:16px;
  display:flex;justify-content:space-between;text-transform:uppercase}
.fcard .k .idx{color:var(--faint)}
.fcard h3{margin:0 0 8px;font-size:19px;font-weight:800}
.fcard p{margin:0 0 20px;font-size:14.5px;color:var(--mut)}
.mini{border:1px solid var(--line);border-radius:11px;background:var(--soft);padding:14px 16px;font-size:12.5px}
.src-row{display:flex;align-items:center;gap:8px;padding:5px 0;color:var(--mut)}
.src-lt{font-weight:600;font-size:10px;letter-spacing:.08em;color:var(--ink);
  border:1px solid var(--line2);border-radius:5px;padding:1px 7px;flex:none}
.arrow-dn{color:var(--faint);text-align:center;padding:2px 0}
.merged{border:1px dashed var(--line2);border-radius:8px;padding:7px 10px;color:var(--ink);font-weight:600;text-align:center}
.ring-wrap{display:flex;align-items:center;gap:18px}
.ring{position:relative;width:88px;height:88px;flex:none}
.ring svg{transform:rotate(-90deg)}
.ring .n{position:absolute;inset:0;display:grid;place-items:center;font-size:22px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.sig{display:flex;flex-direction:column;gap:6px}
.sig span{color:var(--mut)}
.sig span::before{content:"✓";color:var(--ink);margin-right:8px;font-weight:800}
.stats{display:flex;text-align:center}
.stats .s{flex:1;padding:6px 4px}
.stats .s+.s{border-left:1px solid var(--line)}
.stats .n{font-size:24px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.stats .l{font-size:11.5px;color:var(--faint);margin-top:2px}
.stats-up{color:var(--ink);font-size:12px;font-weight:700}
.disclaim{max-width:880px;margin:26px auto 0;font-size:14px;line-height:1.75;color:var(--mut);text-align:center}
.reply-lt{border:1px solid var(--line);border-radius:9px;background:#FFFFFF;padding:10px 12px;color:var(--ink);font-size:13px}
.reply-lt .cta{display:block;margin-top:8px;font-size:11.5px;font-weight:800;color:var(--ink)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.steps,.steps.three{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps,.steps.three{grid-template-columns:1fr}}
.step{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:28px 24px}
.step .num{font-weight:700;font-size:11px;letter-spacing:.2em;color:var(--mut);margin-bottom:14px;text-transform:uppercase}
.step .glyph{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;font-weight:900;font-size:18px;
  background:var(--soft);border:1px solid var(--line2);color:var(--ink);margin-bottom:16px}
.step h3{margin:0 0 6px;font-size:16.5px;font-weight:800}
.step p{margin:0;font-size:13.5px;color:var(--mut)}
.step .note{margin-top:14px;font-size:12.5px;color:var(--faint)}

/* products */
.prods{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
@media(max-width:1100px){.prods{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.prods{grid-template-columns:1fr}}
.prod{border:1px solid var(--line);border-radius:18px;padding:34px 30px;background:var(--card);
  display:flex;flex-direction:column;transition:border-color .2s,transform .2s,box-shadow .2s}
a.prod:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 34px rgba(8,23,42,.08)}
.prod .k{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.prod .stage{display:inline-flex;align-items:center;min-height:28px;font-size:12px;font-weight:800;
  line-height:1.35;letter-spacing:.02em;color:var(--ink);border:1.5px solid currentColor;border-radius:7px;
  padding:4px 9px;background:var(--paper)}
.prod .stage--pilot::before,.prod .stage--validation::before,.prod .stage--research::before{
  content:"狀態：";font-size:10px;font-weight:700;letter-spacing:.08em;margin-right:4px}
.prod .stage--pilot{border-style:solid}
.prod .stage--validation{border-style:dashed}
.prod .stage--research{border-style:dotted}
.demo-note{margin:14px 0 0;font-size:12.5px;line-height:1.65;color:var(--mut)}
.prod h3{margin:0 0 10px;font-size:21px;font-weight:900}
.prod p{margin:0 0 22px;font-size:14.5px;color:var(--mut)}
.prod ul{list-style:none;margin:0 0 26px;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.prod li{font-size:12.5px;color:var(--ink);border:1px solid var(--line2);border-radius:999px;padding:3px 12px}
.prod .btn{margin-top:auto;align-self:flex-start}
.research-boundary{max-width:820px;margin:28px auto 0;padding:16px 18px;border-left:4px solid var(--ink);
  background:var(--paper);color:var(--mut);font-size:14px;line-height:1.75}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media(max-width:860px){.about-grid{grid-template-columns:1fr}}
.vals{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
.vals li{display:flex;gap:12px;color:var(--mut)}
.vals li::before{content:"✓";color:var(--ink);font-weight:900}
.team{display:flex;flex-direction:column;gap:16px}
.person{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:24px 26px;display:flex;gap:18px}
.person .ph{width:52px;height:52px;border-radius:13px;flex:none;display:grid;place-items:center;
  font-weight:900;font-size:20px;color:#FFFFFF;background:var(--ink)}
.person h3{margin:0;font-size:17px;font-weight:800}
.person .role{font-weight:700;font-size:11px;letter-spacing:.16em;color:var(--mut);margin:3px 0 8px}
.person p{margin:0;font-size:13.5px;color:var(--mut)}

/* cta（黑色區塊） */
section.cta{background:var(--paper)}
.cta .panel{border-radius:20px;padding:64px 56px;background:var(--dark);color:var(--ondark);
  display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;
  box-shadow:0 30px 70px rgba(8,23,42,.25)}
@media(max-width:860px){.cta .panel{grid-template-columns:1fr;padding:44px 30px}}
.cta h2{margin-bottom:14px;color:var(--ondark)}
.cta .subhead{margin-bottom:32px;color:var(--ondark-mut)}
.cta .mono{color:var(--ondark-mut)}
.contact-cta{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.contact-note{max-width:46em;margin:0;color:#C7D1E3;font-size:14px;line-height:1.7}
.contact-note a{color:#FFFFFF;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.qr{display:flex;align-items:center;gap:22px;justify-self:center}
.qr img{width:150px;height:150px;border-radius:14px;background:#fff;padding:8px}
.qr .info{font-size:13.5px;color:var(--ondark-mut)}
.qr .info b{display:block;color:var(--ondark);font-size:15px;margin-bottom:4px}
.qr .info .line-id{display:block;margin:6px 0;font-weight:700;color:var(--ondark);letter-spacing:.08em}
.qr .info a.tel{color:var(--ondark);font-weight:700;text-decoration:underline}
@media(max-width:380px){.qr{flex-direction:column;text-align:center}.qr .info{max-width:100%}}

/* footer（黑色區塊） */
footer:not(.site-footer){background:var(--dark);color:var(--ondark-mut);padding:48px 0 60px;font-size:13.5px;margin-top:110px}
footer:not(.site-footer) .row{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
footer:not(.site-footer) .brand{color:var(--ondark)}
footer:not(.site-footer) .brand small{color:var(--ondark-mut)}
footer:not(.site-footer) a:hover{color:var(--ondark)}
footer:not(.site-footer) .tag{font-size:13px}
.cta+footer:not(.site-footer){margin-top:0}

/* Legacy reveal content remains visible with or without the v0.2 script. */
.rv,.js .rv,.js .rv.in{opacity:1;transform:none}