@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300&family=Noto+Serif+TC:wght@300;400&family=Noto+Serif+JP:wght@300;400&display=swap');

:root {
  --cream: #f5f0e8;
  --warm-white: #faf8f4;
  --ink: #1a1612;
  --ink-soft: #3a3530;
  --gold: #b89a6a;
  --gold-light: #d4b896;
  --gold-pale: #e8d9c0;
  --dust: #c8bfb0;
  --line: rgba(184,154,106,0.35);
  --shadow: rgba(26,22,18,0.08);
}

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

/* i18n 載入前隱藏頁面，避免語言閃爍 */
body { opacity: 0; }
body.i18n-ready { opacity: 1; transition: opacity 0.15s ease; }

body {
  background: var(--warm-white);
  color: var(--ink);
  font-family: 'Microsoft JhengHei', 'Helvetica', 'Noto Serif TC', 'Cormorant Garamond', 'PingFang TC', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.hr-gold {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.5;
}

/* Top Bar */
.top-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250,248,244,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 0 48px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top-bar-brand {
  font-family: 'Microsoft JhengHei', 'Helvetica', 'PingFang TC', sans-serif;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
}

.lang-switch {
  display: flex;
  border: 1px solid var(--line);
}

.lang-btn {
  padding: 5px 14px;
  font-size: 11px;
  letter-spacing: 0.1em;
  font-family: 'Microsoft JhengHei', 'Helvetica', 'PingFang TC', sans-serif;
  background: transparent;
  border: none;
  border-right: 1px solid var(--line);
  cursor: pointer;
  color: var(--dust);
  transition: all 0.25s;
}

.lang-btn:last-child { border-right: none; }
.lang-btn.active { background: var(--gold); color: var(--warm-white); }
.lang-btn:hover:not(.active) { color: var(--ink); background: var(--gold-pale); }

.page {
  position: relative;
  z-index: 1;
  padding-top: 52px;
}

/* Hero */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 48px 52px;
  text-align: center;
  position: relative;
}

.hero::before, .hero::after {
  content: '';
  position: absolute;
  width: 80px; height: 80px;
  border-color: var(--gold-light);
  border-style: solid;
  opacity: 0.4;
}
.hero::before { top: 52px; left: 48px; border-width: 1px 0 0 1px; }
.hero::after  { top: 52px; right: 48px; border-width: 1px 1px 0 0; }

.logo-img {
  width: 160px;
  max-width: 40vw;
  height: auto;
  margin-bottom: 6px;
  animation: fadeUp 1s ease both;
}

.company-name-zh {
  font-family: 'Microsoft JhengHei', 'PingFang TC', sans-serif;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-top: 2px;
  animation: fadeUp 1s 0.15s ease both;
}

.divider-ornament {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 18px;
  animation: fadeUp 1s 0.25s ease both;
  opacity: 0;
  animation-fill-mode: forwards;
}

.divider-ornament span {
  height: 1px; width: 60px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.divider-ornament span:last-child {
  background: linear-gradient(90deg, var(--gold), transparent);
}
.divider-ornament i { font-style: normal; color: var(--gold); font-size: 10px; }

.company-desc {
  max-width: 560px;
  font-size: 16px;
  line-height: 2;
  color: var(--ink-soft);
  font-weight: 300;
  letter-spacing: 0.04em;
  animation: fadeUp 1s 0.35s ease both;
  opacity: 0;
  animation-fill-mode: forwards;
  text-align: center;
}

/* Cards */
.cards-section {
  padding: 16px 40px 44px;
  animation: fadeUp 1s 0.45s ease both;
  opacity: 0;
  animation-fill-mode: forwards;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto 1fr auto auto;
  gap: 18px;
  max-width: 1100px;
  margin: 0 auto;
}

.card {
  border: 1px solid var(--line);
  padding: 28px 22px;
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(4px);
  position: relative;
  transition: all 0.35s cubic-bezier(0.25,0.46,0.45,0.94);
  cursor: pointer;
  overflow: hidden;
  display: grid;
  grid-row: span 5;
  grid-template-rows: subgrid;
  row-gap: 0;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-pale), var(--gold), var(--gold-pale));
  transform: scaleX(0);
  transition: transform 0.35s ease;
}

.card:hover { box-shadow: 0 12px 40px var(--shadow); transform: translateY(-4px); background: rgba(255,255,255,0.85); }
.card:hover::before { transform: scaleX(1); }

.card-icon {
  width: 32px; height: 32px;
  margin-bottom: 14px;
  color: var(--gold);
}

.card-title {
  font-family: 'Microsoft JhengHei', 'Helvetica', 'PingFang TC', sans-serif;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.4;
}

.card-title-sub {
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}

.card-desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
  margin-bottom: 22px;
}

.card-btn {
  display: block;
  width: 100%;
  padding: 10px 0;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold);
  font-family: 'Microsoft JhengHei', 'Helvetica', 'PingFang TC', sans-serif;
  font-size: 16px;
  letter-spacing: 0.18em;
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
}

.card-btn:hover { background: var(--gold); color: var(--warm-white); }
.card-btn.primary { background: var(--gold); color: var(--warm-white); }
.card-btn.primary:hover { background: var(--ink); border-color: var(--ink); }

.card-bottom {
  display: contents;
}

.card-link {
  font-size: 14px;
  color: var(--dust);
  text-align: center;
  margin-top: 10px;
  display: block;
  letter-spacing: 0.08em;
}
.card-link a { color: var(--gold); text-decoration: none; }
.card-link a:hover { text-decoration: underline; }

/* Social */
.social-section {
  padding: 24px 48px 44px;
  animation: fadeUp 1s 0.55s ease both;
  opacity: 0;
  animation-fill-mode: forwards;
}

.section-label {
  text-align: center;
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--dust);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 22px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  font-size: 16px;
  letter-spacing: 0.12em;
  font-family: 'Microsoft JhengHei', 'Helvetica', 'PingFang TC', sans-serif;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
}

.social-link svg { width: 14px; height: 14px; fill: var(--gold); flex-shrink: 0; }
.social-link:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-pale); }

/* Video */
.video-section {
  padding: 16px 48px 52px;
  max-width: 1100px;
  margin: 0 auto;
  animation: fadeUp 1s 0.65s ease both;
  opacity: 0;
  animation-fill-mode: forwards;
}

.video-section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.video-section-label span {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.video-section-label em {
  font-style: normal;
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--dust);
  text-transform: uppercase;
  white-space: nowrap;
}

.video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border: 1px solid var(--line);
  background: var(--cream);
  overflow: hidden;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Footer */
.footer {
  padding: 24px 48px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.footer-copy { font-size: 14px; letter-spacing: 0.12em; color: var(--dust); }
.footer-ornament { font-family: 'Microsoft JhengHei', 'Helvetica', 'PingFang TC', sans-serif; font-size: 14px; letter-spacing: 0.25em; color: var(--gold-light); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Mobile */
@media (max-width: 700px) {
  .top-bar { padding: 0 20px; }
  .top-bar-brand { font-size: 11px; letter-spacing: 0.15em; }
  .hero { padding: 52px 24px 40px; }
  .hero::before { left: 16px; }
  .hero::after  { right: 16px; }
  .cards-section { padding: 12px 16px 36px; }
  .cards-grid { grid-template-columns: 1fr; grid-template-rows: none; gap: 12px; }
  .card { grid-row: auto; display: flex; flex-direction: column; }
  .card { padding: 20px 16px; }
  .card-icon { width: 26px; height: 26px; margin-bottom: 10px; }
  .card-title { font-size: 16px; line-height: 1.35; }
  .card-title-sub { font-size: 12px; letter-spacing: 0.12em; }
  .card-desc { font-size: 16px; line-height: 1.75; margin-bottom: 14px; }
  .card-btn { font-size: 16px; padding: 10px 0; letter-spacing: 0.12em; }
  .card-link { font-size: 14px; }
  .social-section { padding: 20px 24px 36px; }
  .social-links { flex-direction: column; align-items: center; gap: 10px; }
  .social-link { width: 80%; max-width: 300px; justify-content: center; }
  .video-section { padding: 12px 16px 40px; }
  .video-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer { padding: 20px; flex-direction: column; gap: 6px; text-align: center; }
  .footer-copy { font-size: 14px; }
}