:root{
  --gc-yellow:#f0c419;
  --gc-yellow-dark:#d9ab0a;
  --gc-navy:#1a2744;
  --gc-navy-light:#26385e;
  --gc-mint:#3fb8a8;
  --gc-coral:#e85b3c;
  --gc-cream:#fffaf0;
  --gc-text:#1a2744;
  --gc-text-muted:#5a6478;
  --gc-border:rgba(26,39,68,.12);
  --gc-radius:14px;
  --gc-shadow:0 10px 30px rgba(26,39,68,.12);
  --gc-font:'Noto Sans TC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--gc-font);color:var(--gc-text);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.gc-container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ── HEADER ── */
.gc-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--gc-border)}
.gc-header-inner{max-width:1180px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.gc-logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.02em;color:var(--gc-navy)}
.gc-logo-mark{width:34px;height:34px;background:var(--gc-navy);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--gc-yellow);font-weight:900;font-size:16px;transform:rotate(-4deg)}
.gc-nav{display:flex;align-items:center;gap:32px;font-weight:700;font-size:14px}
.gc-nav a{color:var(--gc-text);opacity:.75;transition:opacity .2s}
.gc-nav a:hover{opacity:1}
.gc-btn{display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;padding:12px 26px;border-radius:999px;transition:transform .15s,box-shadow .15s;white-space:nowrap}
.gc-btn-primary{background:var(--gc-yellow);color:var(--gc-navy);box-shadow:0 4px 0 var(--gc-yellow-dark)}
.gc-btn-primary:hover{transform:translateY(-2px)}
.gc-btn-sm{padding:9px 20px;font-size:13px}

/* ── HERO ── */
.gc-hero{position:relative;background:var(--gc-yellow);overflow:hidden;padding:72px 0 100px}
.gc-hero-inner{max-width:1180px;margin:0 auto;padding:0 24px;position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.gc-hero-badge{display:inline-block;background:var(--gc-navy);color:var(--gc-yellow);font-weight:800;font-size:12px;letter-spacing:.06em;padding:6px 14px;border-radius:999px;margin-bottom:20px;transform:rotate(-2deg)}
.gc-hero-title{font-size:44px;font-weight:900;line-height:1.2;letter-spacing:-.02em;color:var(--gc-navy);margin-bottom:20px}
.gc-hero-title mark{background:var(--gc-navy);color:var(--gc-yellow);padding:2px 10px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.gc-hero-desc{font-size:17px;color:var(--gc-navy);opacity:.85;margin-bottom:32px;max-width:480px}
.gc-hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.gc-btn-ghost{background:transparent;border:2px solid var(--gc-navy);color:var(--gc-navy)}
.gc-hero-visual{position:relative;height:340px}
.gc-hero-card{position:absolute;background:var(--gc-navy);border-radius:16px;box-shadow:0 20px 40px rgba(26,39,68,.35);padding:20px;color:#fff}
.gc-hero-card-1{width:220px;top:0;right:20px;transform:rotate(6deg)}
.gc-hero-card-2{width:180px;bottom:10px;left:0;transform:rotate(-5deg);background:var(--gc-mint)}
.gc-hero-shape{position:absolute;border-radius:50%;opacity:.5}
.gc-hero-shape-1{width:80px;height:80px;background:var(--gc-coral);top:20px;left:40%}

/* ── SECTION shared ── */
.gc-section{padding:88px 0}
.gc-section-alt{background:#f7f4ea}
.gc-eyebrow{display:inline-block;font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--gc-mint);margin-bottom:14px}
.gc-section-title{font-size:32px;font-weight:900;letter-spacing:-.02em;margin-bottom:16px;color:var(--gc-navy)}
.gc-section-title mark{background:var(--gc-yellow);padding:2px 8px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.gc-section-desc{font-size:16px;color:var(--gc-text-muted);max-width:640px;margin-bottom:48px}
.gc-section-head{margin-bottom:48px}

/* ── MISSION ── */
.gc-mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gc-mission-card{background:#fff;border:1px solid var(--gc-border);border-radius:var(--gc-radius);padding:32px 28px}
.gc-mission-num{font-size:13px;font-weight:900;color:var(--gc-mint);margin-bottom:14px}
.gc-mission-card h3{font-size:18px;font-weight:800;margin-bottom:10px;color:var(--gc-navy)}
.gc-mission-card p{font-size:14px;color:var(--gc-text-muted)}

/* ── RESEARCH AREAS ── */
.gc-areas-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gc-area-card{background:var(--gc-navy);color:#fff;border-radius:var(--gc-radius);padding:26px 22px;position:relative;overflow:hidden}
.gc-area-card:nth-child(2){background:var(--gc-mint)}
.gc-area-card:nth-child(3){background:var(--gc-coral)}
.gc-area-card:nth-child(4){background:var(--gc-navy-light)}
.gc-area-tag{font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;opacity:.75;margin-bottom:12px;display:block}
.gc-area-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.gc-area-card p{font-size:13px;opacity:.85}

/* ── WHITEPAPERS ── */
.gc-paper-list{display:flex;flex-direction:column;gap:1px;background:var(--gc-border);border:1px solid var(--gc-border);border-radius:var(--gc-radius);overflow:hidden}
.gc-paper-row{background:#fff;display:grid;grid-template-columns:90px 1fr auto;gap:20px;align-items:center;padding:22px 26px}
.gc-paper-index{font-size:24px;font-weight:900;color:var(--gc-yellow-dark)}
.gc-paper-row h3{font-size:16px;font-weight:800;margin-bottom:6px;color:var(--gc-navy)}
.gc-paper-row p{font-size:13px;color:var(--gc-text-muted)}
.gc-paper-badge{font-size:11px;font-weight:800;color:var(--gc-mint);border:1.5px solid var(--gc-mint);padding:6px 14px;border-radius:999px;white-space:nowrap}

/* ── CERTIFICATIONS ── */
.gc-cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gc-cert-card{text-align:center;padding:30px 16px;background:#fff;border:1px solid var(--gc-border);border-radius:var(--gc-radius)}
.gc-cert-badge{width:56px;height:56px;border-radius:50%;background:var(--gc-cream);border:2px solid var(--gc-yellow);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-weight:900;font-size:13px;color:var(--gc-navy)}
.gc-cert-card h4{font-size:14px;font-weight:800;color:var(--gc-navy);margin-bottom:6px}
.gc-cert-card p{font-size:12px;color:var(--gc-text-muted)}

/* ── TEAM ── */
.gc-team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.gc-team-card{text-align:center}
.gc-team-photo{width:100%;aspect-ratio:1;border-radius:var(--gc-radius);object-fit:cover;margin-bottom:16px;border:3px solid #fff;box-shadow:var(--gc-shadow)}
.gc-team-card h4{font-size:15px;font-weight:800;color:var(--gc-navy)}
.gc-team-card span{font-size:12px;color:var(--gc-mint);font-weight:700}
.gc-team-card p{font-size:12px;color:var(--gc-text-muted);margin-top:8px}

/* ── PARTNERS ── */
.gc-partners-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;align-items:center}
.gc-partner-logo{background:#fff;border:1px solid var(--gc-border);border-radius:10px;padding:22px 16px;text-align:center;font-weight:800;font-size:13px;color:var(--gc-text-muted)}

/* ── CONTACT ── */
.gc-contact{background:var(--gc-navy);border-radius:24px;padding:60px;display:grid;grid-template-columns:1fr 1fr;gap:48px;color:#fff}
.gc-contact-title{font-size:28px;font-weight:900;margin-bottom:14px}
.gc-contact-desc{font-size:15px;opacity:.8;margin-bottom:24px}
.gc-contact-info{display:flex;flex-direction:column;gap:14px;font-size:14px}
.gc-contact-info strong{color:var(--gc-yellow);font-weight:800;display:block;font-size:12px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:4px}
.gc-form{display:flex;flex-direction:column;gap:14px}
.gc-form input,.gc-form textarea{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:14px 16px;color:#fff;font-family:inherit;font-size:14px}
.gc-form input::placeholder,.gc-form textarea::placeholder{color:rgba(255,255,255,.45)}
.gc-form button{margin-top:4px}

/* ── FOOTER ── */
.gc-footer{background:#f7f4ea;padding:64px 0 32px;border-top:1px solid var(--gc-border)}
.gc-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.gc-footer-brand p{font-size:13px;color:var(--gc-text-muted);margin-top:14px;max-width:280px}
.gc-footer-col h5{font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--gc-navy);margin-bottom:16px}
.gc-footer-col a{display:block;font-size:13px;color:var(--gc-text-muted);margin-bottom:10px}
.gc-footer-bottom{border-top:1px solid var(--gc-border);padding-top:24px;display:flex;justify-content:space-between;font-size:12px;color:var(--gc-text-muted);flex-wrap:wrap;gap:8px}

/* ── ARTICLE PAGE (orphaned, unreachable from nav) ── */
.gc-article-main{max-width:1180px;margin:0 auto;padding:40px 24px 100px}
.gc-breadcrumb{font-size:13px;color:var(--gc-text-muted);margin-bottom:28px}
.gc-breadcrumb span{margin:0 6px}
.gc-article-grid{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
.gc-article-cat{display:inline-block;background:var(--gc-cream);color:var(--gc-yellow-dark);font-weight:800;font-size:11px;text-transform:uppercase;letter-spacing:.04em;padding:4px 12px;border-radius:999px;margin-bottom:16px}
.gc-article-h1{font-size:clamp(26px,4vw,38px);font-weight:900;color:var(--gc-navy);line-height:1.3;margin-bottom:18px}
.gc-article-byline{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gc-text-muted);margin-bottom:24px}
.gc-article-hero-img{width:100%;border-radius:var(--gc-radius);display:block;margin-bottom:32px;max-height:420px;object-fit:cover}
.gc-article-body{font-size:16px;line-height:1.9;color:var(--gc-text)}
.gc-article-body p{margin-bottom:20px}
.gc-article-body h2{font-size:22px;font-weight:800;color:var(--gc-navy);margin:36px 0 16px}
.gc-article-body figure{margin:28px 0}
.gc-article-body figure img{width:100%;border-radius:var(--gc-radius);display:block;max-height:380px;object-fit:cover}
.gc-article-body .qa-box{background:var(--gc-cream);border:1px solid var(--gc-yellow);border-left:4px solid var(--gc-yellow-dark);border-radius:0 var(--gc-radius) var(--gc-radius) 0;padding:18px 22px;margin:24px 0}
.gc-article-body .qa-box-label{display:inline-block;background:var(--gc-yellow);color:var(--gc-navy);font-size:10px;font-weight:800;padding:3px 10px;border-radius:10px;margin-bottom:10px;letter-spacing:.05em;text-transform:uppercase}
.gc-article-body a{color:var(--gc-mint);font-weight:700}
.gc-faq{margin-top:44px;padding-top:32px;border-top:1px solid var(--gc-border)}
.gc-faq h2{font-size:22px;font-weight:800;color:var(--gc-navy);margin-bottom:20px}
.gc-faq-item{margin-bottom:18px}
.gc-faq-item h3{font-size:15px;font-weight:800;color:var(--gc-navy);margin-bottom:6px}
.gc-faq-item p{font-size:14px;color:var(--gc-text-muted);line-height:1.7}
.gc-article-sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.gc-side-card{background:#fff;border:1px solid var(--gc-border);border-radius:var(--gc-radius);padding:22px}
.gc-side-card h4{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--gc-mint);margin-bottom:12px}
.gc-side-card .gc-side-name{font-size:14px;font-weight:800;color:var(--gc-navy)}
.gc-side-card .gc-side-role{font-size:12px;color:var(--gc-text-muted)}
@media(max-width:900px){.gc-article-grid{grid-template-columns:1fr}.gc-article-sidebar{position:static}}

/* ── BLOG LIST (orphaned, unreachable from nav) ── */
.gc-post-hero{background:var(--gc-yellow);padding:56px 0 64px}
.gc-post-hero h1{font-size:32px;font-weight:900;color:var(--gc-navy);margin-bottom:10px}
.gc-post-hero p{font-size:15px;color:var(--gc-navy);opacity:.8}
.gc-post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:64px 0 100px}
.gc-post-card{background:#fff;border:1px solid var(--gc-border);border-radius:var(--gc-radius);overflow:hidden;text-decoration:none;color:inherit;display:block;transition:box-shadow .2s,transform .2s}
.gc-post-card:hover{box-shadow:var(--gc-shadow);transform:translateY(-3px)}
.gc-post-thumb{height:170px;overflow:hidden;background:var(--gc-cream)}
.gc-post-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.gc-post-body{padding:18px 20px 22px}
.gc-post-meta{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:11px}
.gc-post-cat{background:var(--gc-cream);color:var(--gc-yellow-dark);font-weight:800;padding:3px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.03em}
.gc-post-date,.gc-post-read{color:var(--gc-text-muted)}
.gc-post-card h2{font-size:15px;font-weight:800;line-height:1.5;margin-bottom:8px;color:var(--gc-navy)}
.gc-post-excerpt{font-size:13px;color:var(--gc-text-muted);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gc-post-link{font-size:12px;font-weight:800;color:var(--gc-mint)}
@media(max-width:900px){.gc-post-grid{grid-template-columns:1fr}}
@media(min-width:601px) and (max-width:900px){.gc-post-grid{grid-template-columns:repeat(2,1fr)}}

/* ── LEGAL PAGES ── */
.gc-legal{max-width:760px;margin:0 auto;padding:64px 24px 100px}
.gc-legal h1{font-size:32px;font-weight:900;color:var(--gc-navy);margin-bottom:8px}
.gc-legal .gc-legal-updated{font-size:13px;color:var(--gc-text-muted);margin-bottom:40px}
.gc-legal h2{font-size:18px;font-weight:800;color:var(--gc-navy);margin-top:36px;margin-bottom:12px}
.gc-legal p,.gc-legal li{font-size:15px;line-height:1.8;color:var(--gc-text);margin-bottom:14px}
.gc-legal ul{padding-left:20px}
.gc-legal a{color:var(--gc-mint);font-weight:700}

@media(max-width:900px){
  .gc-hero-inner{grid-template-columns:1fr}
  .gc-hero-visual{display:none}
  .gc-mission-grid,.gc-areas-grid,.gc-cert-grid,.gc-team-grid{grid-template-columns:repeat(2,1fr)}
  .gc-contact{grid-template-columns:1fr;padding:36px}
  .gc-footer-grid{grid-template-columns:repeat(2,1fr)}
  .gc-nav{display:none}
  .gc-partners-grid{grid-template-columns:repeat(2,1fr)}
}