/* css/style.css */
:root {
  --blue-900: #042C53;
  --blue-600: #185FA5;
  --blue-50: #E6F1FB;
  --border: #E0E0E0;
  --text: #222222;
  --text-secondary: #555555;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Noto Sans TC", "PingFang TC", sans-serif;
  color: var(--text);
  background: #FFFFFF;
  line-height: 1.6;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { color: var(--blue-900); font-weight: 600; margin: 0 0 12px; }
h1 { font-size: 28px; }
h2 { font-size: 22px; }
h3 { font-size: 17px; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-weight: 600;
  font-size: 17px;
  color: var(--blue-900);
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
}

.nav-links a.active {
  color: var(--blue-600);
  font-weight: 600;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--blue-900);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
  align-items: center;
  padding: 44px 0;
  border-bottom: 1px solid var(--border);
}

.hero-grid img {
  width: 100%;
  border-radius: 12px;
  display: block;
}

.btn {
  display: inline-block;
  background: var(--blue-600);
  color: #FFFFFF;
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover { background: var(--blue-900); text-decoration: none; }

.section { padding: 32px 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.card h3 { margin-top: 8px; }
.card p { color: var(--text-secondary); font-size: 13px; margin: 4px 0 0; }

.contact-strip {
  display: flex;
  gap: 16px;
  align-items: center;
}

.contact-strip h3 { margin: 0; }
.contact-strip p { margin-top: 4px; }

table.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 24px;
}

table.price-table th, table.price-table td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
}

table.price-table th { color: var(--blue-900); }

.placeholder-box {
  background: #FAFAFA;
  border: 1px dashed var(--border);
  border-radius: 12px;
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 12px;
  gap: 8px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  font-size: 12px;
  color: var(--text-secondary);
}

form.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 480px;
}

form.contact-form input,
form.contact-form textarea {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
    gap: 12px;
    z-index: 10;
  }
  .hamburger { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
}