:root {
  --bg: #2a1710;
  --bg-soft: #40251a;
  --card: rgba(255, 248, 241, 0.08);
  --surface: #f6efe8;
  --surface-2: #fffaf4;
  --text: #f8f2ea;
  --text-dark: #2d1c12;
  --muted: #dbc8b6;
  --accent: #c58a4f;
  --accent-2: #8a5a35;
  --line: rgba(255,255,255,0.14);
  --shadow: 0 24px 70px rgba(20, 8, 2, 0.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Noto Sans TC", sans-serif;
  color: var(--text-dark);
  background: var(--surface);
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(34, 18, 12, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 78px; }
.brand { display: flex; align-items: center; gap: 14px; color: var(--text); }
.brand-mark {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #dfb179); color: #fff; font-weight: 800;
}
.brand-name { font-size: 1.05rem; font-weight: 800; letter-spacing: 0.03em; }
.brand-sub { font-size: 0.82rem; color: var(--muted); }
.desktop-nav { display: flex; gap: 24px; color: #f8efe5; }
.desktop-nav a { font-size: 0.95rem; opacity: 0.92; }
.desktop-nav a:hover { opacity: 1; color: #fff; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.top-contact { color: #f5e6d5; font-size: 0.92rem; }
.lang-toggle, .btn {
  border: 0; cursor: pointer; font: inherit;
}
.lang-toggle {
  background: rgba(255,255,255,0.08); color: #fff; padding: 11px 16px; border-radius: 999px;
}
.hero {
  position: relative;
  background: linear-gradient(rgba(39,22,15,0.55), rgba(39,22,15,0.7)), url('assets/hero-source.jpg') center/cover no-repeat;
  color: var(--text);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(circle at right top, rgba(255,208,140,0.18), transparent 30%);
}
.hero-grid {
  position: relative;
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; align-items: center;
  min-height: 78vh; padding: 84px 0;
}
.eyebrow, .section-kicker {
  display: inline-block; text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.78rem; font-weight: 700;
}
.eyebrow { padding: 9px 14px; border-radius: 999px; background: rgba(255,255,255,0.08); }
.hero h1 { font-size: clamp(2.7rem, 5vw, 4.7rem); line-height: 1.05; margin: 20px 0; }
.hero p { max-width: 720px; font-size: 1.08rem; line-height: 1.9; color: #f8ede2; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 15px 22px; border-radius: 999px; font-weight: 700;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), #dfb179); color: #fff; box-shadow: var(--shadow); }
.btn-secondary { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.14); }
.btn-full { width: 100%; }
.hero-cards { display: grid; gap: 16px; }
.stat-card {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px; padding: 22px; box-shadow: var(--shadow);
}
.stat-label { color: #e3d0bf; font-size: 0.9rem; }
.stat-value { margin-top: 8px; font-size: 1.45rem; font-weight: 700; }
.section { padding: 84px 0; }
.section-heading { margin-bottom: 34px; }
.section-heading.narrow { max-width: 760px; }
.section-heading.light h2, .section-heading.light p, .section-heading.light .section-kicker { color: var(--text); }
.section-heading h2 { margin: 12px 0 10px; font-size: clamp(2rem, 4vw, 3rem); color: var(--text-dark); }
.section-heading p { max-width: 820px; margin: 0; color: #6b5343; line-height: 1.85; }
.card-grid { display: grid; gap: 22px; }
.four-col { grid-template-columns: repeat(4, 1fr); }
.product-card {
  overflow: hidden; border-radius: 26px; background: var(--surface-2); box-shadow: 0 12px 38px rgba(63,33,18,0.10);
}
.product-card img { height: 235px; object-fit: cover; }
.product-body { padding: 20px; }
.product-body h3 { margin: 0 0 8px; font-size: 1.3rem; color: var(--text-dark); }
.product-body p { margin: 0; line-height: 1.8; color: #674c3a; }
.feature-band { background: linear-gradient(135deg, #3a2218, #5b3725); color: var(--text); }
.feature-icons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature-item {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 26px; padding: 24px; text-align: center;
}
.feature-icon { font-size: 2rem; margin-bottom: 10px; }
.feature-item h3 { margin: 0 0 8px; }
.feature-item p { margin: 0; color: #efddd0; line-height: 1.75; }
.about-grid, .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.about-copy p { color: #674c3a; line-height: 1.9; }
.about-gallery { display: grid; grid-template-columns: 1.05fr 0.95fr 0.95fr; gap: 14px; }
.about-gallery img { height: 380px; object-fit: cover; border-radius: 24px; box-shadow: 0 12px 38px rgba(63,33,18,0.10); }
.contact-section { background: #f0e5d8; }
.contact-list {
  margin-top: 24px; display: grid; gap: 16px;
}
.contact-list div {
  display: grid; gap: 6px; padding: 18px 20px; background: rgba(255,255,255,0.62); border-radius: 20px;
}
.contact-list strong { color: var(--accent-2); }
.contact-list span, .contact-list a { color: var(--text-dark); line-height: 1.75; }
.inquiry-box {
  display: grid; gap: 14px; background: #fffaf4; padding: 28px; border-radius: 28px; box-shadow: 0 12px 38px rgba(63,33,18,0.10);
}
.inquiry-box h3 { margin: 0 0 8px; font-size: 1.5rem; }
.inquiry-box input, .inquiry-box textarea {
  width: 100%; border: 1px solid #e2d2c0; background: #fff; padding: 14px 16px; border-radius: 16px; font: inherit; color: var(--text-dark);
}
.inquiry-box textarea { min-height: 160px; resize: vertical; }
.site-footer { background: #29170f; color: #f5e8da; padding: 28px 0; }
.footer-wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-wrap p { margin: 8px 0 0; color: #dbc8b6; }
.footer-meta { display: flex; flex-wrap: wrap; gap: 16px; color: #dbc8b6; }
@media (max-width: 1100px) {
  .hero-grid, .about-grid, .contact-grid, .four-col, .feature-icons { grid-template-columns: repeat(2, 1fr); }
  .about-gallery { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .desktop-nav, .top-contact { display: none; }
  .hero-grid, .about-grid, .contact-grid, .four-col, .feature-icons, .about-gallery { grid-template-columns: 1fr; }
  .hero { background-position: 60% center; }
  .hero-grid { min-height: auto; padding: 66px 0; }
  .hero h1 { font-size: 2.5rem; }
  .section { padding: 64px 0; }
  .footer-wrap { flex-direction: column; align-items: flex-start; }
}