@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Noto+Sans+TC:wght@400;500;700&display=swap");
:root{
  --bg:#ffffff;--bg-soft:#f5f7fa;--surface:#ffffff;--ink:#14202e;--ink-2:#3d4a5a;--muted:#6a7584;--line:#e2e6ec;
  --brand:#0f3b66;--brand-2:#1a5490;--band:#0f2e4f;--band-ink:#ffffff;--band-muted:#b9c8da;
  --accent:#d98c00;--accent-bg:#f2a516;--accent-ink:#2b1c00;--err:#c2410c;--ok-bg:#ecfdf3;--ok-ink:#065f46;
  --img-bg:#ffffff;--radius:12px;--wrap:1200px;
  --font:"IBM Plex Sans","Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--brand-2)}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .5em}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
@media (min-width:700px){.wrap{padding:0 24px}}
.en{display:block;font-size:.6em;font-weight:500;color:var(--muted);letter-spacing:.04em;margin-top:.2em}
.kicker{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--surface);padding:8px 12px;z-index:100}
.todo{display:inline-block;font-size:12px;color:var(--err);border:1px dashed var(--err);border-radius:6px;padding:0 6px;margin-left:6px;vertical-align:middle}
.site-header{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:12px;height:68px}
.logo{display:flex;flex-direction:column;line-height:1.15;color:var(--ink);text-decoration:none;margin-right:auto}
.logo b{font-size:19px;letter-spacing:.06em}
.logo small{font-size:11px;color:var(--muted);letter-spacing:.08em}
.nav{display:flex;gap:2px;align-items:center}
.nav a{color:var(--ink-2);padding:8px 12px;border-radius:8px;font-size:15px;text-decoration:none}
.nav a:hover{background:var(--bg-soft);color:var(--ink)}
.icon-btn{background:none;border:1px solid var(--line);border-radius:8px;height:38px;min-width:38px;padding:0 10px;color:var(--ink);font:inherit;font-size:14px;cursor:pointer}
.icon-btn:hover{background:var(--bg-soft)}
.menu-btn{display:none}
@media (max-width:960px){
  .menu-btn{display:inline-block}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--bg);flex-direction:column;align-items:stretch;padding:8px 16px 16px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .header-cta{display:none}
}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:8px;font:inherit;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--accent-bg);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-outline,.btn-dark{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover,.btn-dark:hover{background:var(--bg-soft)}
.btn[disabled]{opacity:.6;cursor:progress}
.hero{border-bottom:1px solid var(--line);background:var(--bg-soft)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero h1{font-size:clamp(28px,4vw,46px);font-weight:700;letter-spacing:.01em}
.hero p{color:var(--ink-2);font-size:17px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-photo{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:4/3;background:var(--img-bg);border:1px solid var(--line);margin:0}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-photo figcaption{position:absolute;left:12px;bottom:12px;background:rgba(15,46,79,.85);color:#fff;font-size:12.5px;padding:4px 10px;border-radius:6px}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-top:40px;padding-bottom:40px}}
.section{padding:72px 0}
.section.soft{background:var(--bg-soft)}
.section h2{font-size:clamp(24px,2.8vw,32px);font-weight:700}
.section-head{margin-bottom:28px;max-width:760px}
.section-head p{color:var(--muted);margin:0}
@media (max-width:700px){.section{padding:52px 0}}
.brand-feature{display:grid;grid-template-columns:280px 1fr;gap:28px;border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--surface);margin-bottom:16px}
.brand-logo{border:1px dashed var(--line);border-radius:10px;min-height:120px;display:grid;place-items:center;text-align:center;background:var(--img-bg);color:#0f3b66;font-weight:700;font-size:22px;letter-spacing:.06em;padding:12px}
.brand-logo small{display:block;font-size:11px;font-weight:400;color:#8a94a1;letter-spacing:0;margin-top:4px}
.brand-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.brand-card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--surface);display:flex;flex-direction:column;gap:12px}
.brand-card .brand-logo{min-height:90px;font-size:18px}
.brand-card h3,.brand-feature h3{font-size:19px;margin:0}
.brand-card p,.brand-feature p{color:var(--ink-2);font-size:15px;margin:0}
.brand-meta{font-size:13px;color:var(--muted)}
.brand-link{font-size:14px;font-weight:600;margin-top:auto}
@media (max-width:900px){.brand-feature{grid-template-columns:1fr}}
.stat-line{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;text-align:center;font-size:17px;color:var(--ink-2);margin:0}
.stat-line b{font-family:"IBM Plex Sans",sans-serif;color:var(--brand);font-size:1.15em}
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);color:inherit;text-decoration:none}
.cat-card:hover{border-color:var(--brand-2)}
.cat-card .img{aspect-ratio:4/3;background:var(--img-bg);display:grid;place-items:center;padding:18px;border-bottom:1px solid var(--line)}
.cat-card .img img{max-height:100%;object-fit:contain}
.cat-card .body{padding:18px}
.cat-card h3{font-size:18px;margin:0 0 6px}
.cat-card p{font-size:14.5px;color:var(--ink-2);margin:0 0 10px}
.cat-card .tag{font-size:13px;color:var(--muted)}
@media (max-width:900px){.cats{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.cats{grid-template-columns:1fr}}
.cert-band{background:var(--band);color:var(--band-ink);padding:44px 0}
.cert-band h2{color:var(--band-ink);font-size:24px;margin-bottom:6px}
.cert-band p{color:var(--band-muted);font-size:14px;margin:0}
.cert-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;padding:0;list-style:none}
.cert-list li{border:1px solid rgba(255,255,255,.35);border-radius:8px;padding:10px 18px;font-family:"IBM Plex Sans",sans-serif;font-weight:600;letter-spacing:.06em}
.mid-cta{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:36px 0}
.mid-cta p{margin:0;font-size:18px}
.app-list{columns:4 180px;column-gap:24px;padding:0;margin:0;list-style:none}
.app-list li{padding:10px 0;border-bottom:1px solid var(--line);break-inside:avoid;color:var(--ink-2)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.facts{width:100%;border-collapse:collapse;font-size:15px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.facts th,.facts td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.facts tr:last-child th,.facts tr:last-child td{border-bottom:0}
.facts th{width:34%;color:var(--muted);font-weight:500;background:var(--bg-soft)}
.contact-info dl{margin:0}
.contact-info dt{font-size:13px;color:var(--muted);margin-top:16px}
.contact-info dd{margin:2px 0 0;font-size:17px}
.form-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--surface)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fgrid .full{grid-column:1/-1}
@media (max-width:600px){.fgrid{grid-template-columns:1fr}}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field .req{color:var(--err);margin-left:2px}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:15px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--brand-2);outline-offset:1px}
.field [aria-invalid="true"]{border-color:var(--err)}
.field .err{color:var(--err);font-size:13px;margin:6px 0 0}
.field .help{color:var(--muted);font-size:13px;margin:6px 0 0}
.form-error{background:var(--bg-soft);color:var(--err);padding:12px 14px;border-radius:8px;margin:14px 0 0;font-size:14px}
.form-actions{margin-top:18px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.form-actions small{color:var(--muted)}
.thanks{padding:24px;border-radius:var(--radius);background:var(--ok-bg);color:var(--ok-ink)}
.page-head{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:40px 0 32px}
.page-head h1{font-size:clamp(26px,3.4vw,38px);font-weight:700;margin:0}
.page-head p{color:var(--ink-2);margin:10px 0 0;max-width:760px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:12px}
.crumbs a{color:var(--muted)}
.catalog{display:grid;grid-template-columns:250px 1fr;gap:32px;align-items:start}
.side{position:sticky;top:84px;border:1px solid var(--line);border-radius:var(--radius);padding:10px;background:var(--surface);max-height:calc(100vh - 100px);overflow:auto}
.side h4{font-size:12.5px;color:var(--muted);margin:14px 10px 4px;font-weight:600}
.side h4:first-child{margin-top:4px}
.side a{display:block;padding:7px 10px;border-radius:6px;font-size:14px;color:var(--ink-2);text-decoration:none}
.side a:hover{background:var(--bg-soft)}
.side a[aria-current="page"]{background:var(--brand);color:var(--bg)}
.side a small{color:inherit;opacity:.75}
@media (max-width:900px){.catalog{grid-template-columns:1fr}.side{position:static;max-height:none}}
.cat-block{margin-bottom:44px}
.cat-block h2{font-size:22px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:16px}
.cat-block h2 small{font-size:14px;color:var(--muted);font-weight:500}
.cat-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.cat-tile{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:inherit;text-decoration:none}
.cat-tile:hover{border-color:var(--brand-2)}
.cat-tile b{display:block;font-size:15px}
.cat-tile small{display:block;font-size:12px;color:var(--muted)}
.cat-tile .arrow{margin-left:auto;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;color:inherit;text-decoration:none}
.card:hover{border-color:var(--brand-2)}
.card .img{aspect-ratio:4/3;background:var(--img-bg);display:grid;place-items:center;padding:14px;border-bottom:1px solid var(--line)}
.card .img img{max-height:100%;object-fit:contain}
.card .img .ph{color:#8a94a1;font-size:13px}
.card .body{padding:12px 14px 16px}
.card h3{font-size:15.5px;margin:0 0 4px}
.card p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.grid.dim{opacity:.55}
.state{padding:36px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius)}
.skeleton{background:var(--bg-soft);border-radius:var(--radius);height:240px}
.pd{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.pd-main{border:1px solid var(--line);border-radius:var(--radius);aspect-ratio:1;display:grid;place-items:center;padding:24px;background:var(--img-bg)}
.pd-main img{max-height:100%;object-fit:contain}
.pd-thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.pd-thumbs button{width:68px;height:68px;border:1px solid var(--line);border-radius:8px;background:var(--img-bg);padding:5px;cursor:pointer}
.pd-thumbs button[aria-pressed="true"]{outline:2px solid var(--brand-2)}
.pd-thumbs img{width:100%;height:100%;object-fit:contain}
.pd h1{font-size:clamp(24px,3vw,34px);font-weight:700}
.pd .cat-link{display:inline-block;font-size:13px;background:var(--bg-soft);padding:3px 10px;border-radius:999px;margin-bottom:12px;text-decoration:none}
.pd-desc{white-space:pre-line;color:var(--ink-2);font-size:15px;border-top:1px solid var(--line);padding-top:16px;margin-top:16px}
.pd-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
@media (max-width:900px){.pd{grid-template-columns:1fr}}
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);color:var(--ink-2);padding:48px 0 24px;font-size:14px}
.site-footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px}
.site-footer h4{font-size:14px;margin-bottom:10px;color:var(--ink)}
.site-footer a{color:var(--ink-2);display:block;padding:3px 0;text-decoration:none}
.site-footer a:hover{color:var(--brand-2)}
.site-footer .legal{border-top:1px solid var(--line);margin-top:28px;padding-top:16px;font-size:12.5px;color:var(--muted)}
@media (max-width:800px){.site-footer .cols{grid-template-columns:1fr}}