*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #1a2744;
  --navy-light: #243459;
  --gold: #c9a84c;
  --text: #2d2d2d;
  --text-light: #666;
  --bg: #f8f8f6;
  --white: #fff;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
}

body { font-family: 'Noto Sans TC', system-ui, sans-serif; color: var(--text); background: var(--white); line-height: 1.7; }

/* NAV */
nav { background: var(--navy); position: stick™; top: 0; z-index: 100; }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { color: var(--white); font-size: 1.1rem; font-weight: 700; text-decoration: none; letter-spacing: .05em; }
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: rgba(255,255,255,.85); text-decoration: none; font-size: .95rem; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--gold); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; transition: .3s; }

/* HERO */
.hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%); color: var(--white); padding: 5rem 1.5rem 4rem; text-align: center; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; margin-bottom: 1rem; }
.hero p { font-size: 1.1rem; color: rgba(255,255,255,.8); max-width: 560px; margin: 0 auto 2rem; }
.btn { display: inline-block; background: var(--gold); color: var(--navy); padding: .75rem 2rem; border-radius: var(--radius); font-weight: 700; text-decoration: none; transition: opacity .2s; }
.btn:hover { opacity: .9; }

/* CONTENT */
.page-hero { background: var(--navy); color: var(--white); padding: 3rem 1.5rem; text-align: center; }
.page-hero h1 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; }
.page-hero p { color: rgba(255,255,255,.75); margin-top: .5rem; }

main { max-width: 1100px; margin: 0 auto; padding: 3rem 1.5rem; }

/* CARDS */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
.card { background: var(--white); border: 1px solid #e8e8e8; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }
.card-num { font-size: 2rem; font-weight: 800; color: var(--gold); margin-bottom: .5rem; }
.card h3 { color: var(--navy); font-size: 1.1rem; margin-bottom: .75rem; }
.card p { color: var(--text-light); font-size: .95rem; }

/* SECTION */
.section-title { font-size: 1.5rem; font-weight: 700; color: var(--navy); border-left: 4px solid var(--gold); padding-left: 1rem; margin: 2.5rem 0 1.5rem; }

/* TIMELINE */
.timeline { list-style: none; border-left: 3px solid var(--gold); padding-left: 1.5rem; }
.timeline li { position: relative; margin-bottom: 1.5rem; }
.timeline li::before { content: ''; position: absolute; left: -1.85rem; top: .4rem; width: 12px; height: 12px; border-radius: 50%; background: var(--gold); }
.timeline strong { color: var(--navy); display: block; font-size: 1rem; }

/* VALUES */
.values { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.25rem; margin: 1.5rem 0; }
.value-item { background: var(--bg); padding: 1.5rem; border-radius: var(--radius); }
.value-item h3 { color: var(--navy); font-size: 1rem; margin-bottom: .5rem; }
.value-item p { font-size: .9rem; color: var(--text-light); }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
.contact-card { background: var(--bg); border-radius: var(--radius); padding: 1.75rem; }
.contact-card h3 { color: var(--navy); font-size: 1rem; margin-bottom: .75rem; font-weight: 700; }
.contact-card a { color: var(--text); text-decoration: none; }
.contact-card a:hover { color: var(--gold); }

/* FOOTER */
footer { background: var(--navy); color: rgba(255,255,255,.6); text-align: center; padding: 1.5rem; font-size: .875rem; margin-top: 3rem; }
footer a { color: var(--gold); text-decoration: none; }

/* RESPONSIVE */
@media (max-width: 680px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--navy); padding: 1rem 1.5rem; gap: 1rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}