:root {
  --primary: #0b3d91;
  --primary-dark: #082c68;
  --accent: #f5a623;
  --text: #24303f;
  --muted: #5c6b7a;
  --bg-alt: #f4f7fb;
  --border: #e2e8f0;
}

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

body {
  font-family: "PingFang HK", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", "Heiti TC", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: #fff;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; padding: .8rem 1.25rem; }
.brand { display: flex; align-items: center; gap: .6rem; }
.brand:hover { text-decoration: none; }
.brand-mark { font-size: 1.6rem; color: var(--accent); }
.brand-text { font-size: 1.2rem; font-weight: 700; color: var(--primary); line-height: 1.2; }
.brand-text small { display: block; font-size: .68rem; font-weight: 400; color: var(--muted); letter-spacing: .04em; }
.main-nav a { margin-left: 1.6rem; color: var(--text); font-weight: 500; }
.main-nav a.active, .main-nav a:hover { color: var(--primary); text-decoration: none; border-bottom: 2px solid var(--accent); padding-bottom: .2rem; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #2a6fd6 100%);
  color: #fff;
  padding: 5.5rem 0 6rem;
}
.hero h1 { font-size: 2.6rem; letter-spacing: .12em; margin-bottom: 1rem; }
.hero p { max-width: 640px; font-size: 1.08rem; opacity: .94; }
.hero-actions { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.btn { display: inline-block; padding: .7rem 1.8rem; border-radius: 4px; font-weight: 600; border: 1px solid transparent; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #1d2733; }
.btn-primary:hover { background: #e0951a; }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); }

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: 1.8rem; color: var(--primary); margin-bottom: .6rem; }
.section-sub { color: var(--muted); margin-bottom: 2.2rem; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 1.8rem 1.4rem; transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: 0 8px 24px rgba(11,61,145,.12); transform: translateY(-3px); }
.card-icon { font-size: 1.9rem; margin-bottom: .8rem; }
.card h3 { color: var(--primary); margin-bottom: .5rem; font-size: 1.1rem; }
.card p { font-size: .95rem; color: var(--muted); }

/* Stats */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; text-align: center; }
.stat strong { display: block; font-size: 2.2rem; color: var(--primary); }
.stat span { color: var(--muted); }

/* News */
.news-list { display: grid; gap: 1.2rem; }
.news-item { border-left: 3px solid var(--accent); padding: .4rem 0 .4rem 1.2rem; }
.news-item time { color: var(--muted); font-size: .85rem; }
.news-item h3 { margin: .2rem 0; font-size: 1.08rem; color: var(--text); }
.news-item p { color: var(--muted); font-size: .95rem; }

/* Page banner */
.page-banner { background: linear-gradient(120deg, var(--primary-dark), var(--primary)); color: #fff; padding: 3.2rem 0; }
.page-banner h1 { font-size: 2.1rem; letter-spacing: .1em; }
.page-banner p { opacity: .9; margin-top: .3rem; }

/* Two column */
.two-col { display: grid; grid-template-columns: 1.5fr 1fr; gap: 2.5rem; align-items: start; }
.two-col p { margin-bottom: 1rem; color: var(--text); }

.panel { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 8px; padding: 1.6rem; }
.panel h3 { color: var(--primary); margin-bottom: .8rem; }
.info-list { list-style: none; }
.info-list li { display: flex; gap: .8rem; padding: .5rem 0; border-bottom: 1px dashed var(--border); font-size: .95rem; }
.info-list li:last-child { border-bottom: none; }
.info-list strong { flex: 0 0 5.5em; color: var(--muted); font-weight: 500; }

/* Services page */
.service-block { border: 1px solid var(--border); border-radius: 8px; padding: 2rem; margin-bottom: 1.6rem; }
.service-head { display: flex; align-items: center; gap: .9rem; margin-bottom: .6rem; }
.service-head h2 { color: var(--primary); font-size: 1.4rem; }
.service-head .card-icon { margin-bottom: 0; }
.service-block > p { color: var(--muted); margin-bottom: .8rem; }
.feature-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: .5rem 1.5rem; }
.feature-list li { padding-left: 1.3rem; position: relative; font-size: .97rem; }
.feature-list li::before { content: "✔"; position: absolute; left: 0; color: var(--accent); }

.cta-band { text-align: center; }
.cta-band h2 { color: var(--primary); margin-bottom: .4rem; }
.cta-band p { color: var(--muted); margin-bottom: 1.4rem; }

/* Contact form */
.contact-form { display: grid; gap: 1rem; margin-top: 1rem; }
.contact-form label { font-weight: 600; font-size: .95rem; display: grid; gap: .35rem; }
.contact-form input, .contact-form select, .contact-form textarea {
  font: inherit; padding: .6rem .75rem; border: 1px solid var(--border); border-radius: 4px; font-weight: 400;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: 2px solid var(--primary); outline-offset: 0;
}
.contact-form .btn { justify-self: start; cursor: pointer; }

/* Footer */
.site-footer { background: #101c2e; color: #b9c6d6; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; padding: 2.8rem 1.25rem; }
.site-footer h4 { color: #fff; margin-bottom: .7rem; font-size: 1rem; }
.site-footer a { color: #b9c6d6; }
.footer-bar { border-top: 1px solid rgba(255,255,255,.12); padding: 1rem 0; font-size: .85rem; }

/* Responsive */
@media (max-width: 900px) {
  .card-grid, .card-grid.three, .stats-row { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .card-grid, .card-grid.three, .stats-row, .feature-list { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.9rem; }
  .nav-wrap { flex-direction: column; gap: .5rem; }
  .main-nav a { margin: 0 .6rem; }
}