/* ================================
   BASE
================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+TC:wght@300;400;500;700&display=swap');

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-20);
}

.section--gray {
  background: var(--color-bg-soft);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section__tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
}

.section__subtitle {
  margin-top: var(--space-4);
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
}

/* ================================
   BUTTONS
================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  border-color: var(--color-white);
  color: var(--color-white);
}
.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn--outline-dark {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--outline-dark:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

/* ================================
   NAVBAR
================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.navbar.scrolled .nav__logo-text,
.navbar.scrolled .nav__link {
  color: var(--color-primary);
}

.navbar.scrolled .nav__hamburger span {
  background: var(--color-primary);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Right-side nav group: menu + lang switcher + hamburger */
.nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

/* Language switcher */
.nav__lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav__lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 7px;
  color: rgba(255,255,255,.55);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: .06em;
  transition: color var(--transition), background var(--transition);
  line-height: 1;
}
.nav__lang-btn.active,
.nav__lang-btn:hover {
  color: var(--color-accent);
  background: rgba(200,149,74,.15);
}
.nav__lang-sep {
  color: rgba(255,255,255,.25);
  font-size: 0.65rem;
  pointer-events: none;
  user-select: none;
}
.navbar.scrolled .nav__lang-btn {
  color: rgba(30,30,30,.45);
}
.navbar.scrolled .nav__lang-btn.active,
.navbar.scrolled .nav__lang-btn:hover {
  color: var(--color-primary);
  background: rgba(125,29,63,.08);
}
.navbar.scrolled .nav__lang-sep {
  color: rgba(30,30,30,.25);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__logo img {
  height: 40px;
  width: auto;
}

.nav__logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: .02em;
  transition: color var(--transition);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255,255,255,.9);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-white);
}

.navbar.scrolled .nav__link:hover,
.navbar.scrolled .nav__link.active {
  color: var(--color-primary);
}

.nav__cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
}
.nav__cta:hover {
  background: var(--color-accent-dark);
}
.nav__cta::after { display: none; }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  background: none;
  border: none;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

/* 漢堡 → X */
.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.navbar.scrolled .nav__hamburger span {
  background: var(--color-primary);
}

/* Mobile nav overlay */
.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 998;
}
.nav__overlay.active { display: block; }

/* Mobile nav */
@media (max-width: 768px) {
  .nav__right { gap: var(--space-3); }
  .nav__hamburger { display: flex; }
  .nav__menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--color-primary-dark);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-3) 0 var(--space-5);
    box-shadow: var(--shadow-lg);
  }
  .nav__menu.open { display: flex; }

  /* 每個 li 內的 a 連結 */
  .nav__menu > li { border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav__menu > li:last-child { border-bottom: none; padding: var(--space-3) var(--space-4); }

  .nav__link {
    display: block;
    color: rgba(255,255,255,.85) !important;
    padding: var(--space-4) var(--space-6);
    width: 100%;
    text-align: left;
    font-size: var(--font-size-base);
    border-bottom: none;
  }

  .nav__link:not(.nav__cta):hover,
  .nav__link:not(.nav__cta).active {
    background: rgba(255,255,255,.06);
    color: var(--color-white) !important;
  }
  .nav__link::after { display: none; }

  /* CTA 按鈕獨立在 last li 裡，撐滿父 li 的 content box */
  .nav__cta {
    display: block;
    width: 100% !important;
    margin: 0 !important;
    padding: var(--space-3) var(--space-4) !important;
    text-align: center;
    border-radius: var(--radius-md);
    background: var(--color-accent);
    color: var(--color-white) !important;
  }
}

/* ================================
   HERO
================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #200810 0%, #4E0F27 40%, #7D1D3F 100%);
  overflow: hidden;
}

.hero__bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 60% 60% at 70% 50%, rgba(125,29,63,.8) 0%, transparent 70%),
    radial-gradient(circle at 15% 80%, rgba(232,160,32,.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(255,255,255,.04) 0%, transparent 35%);
}

.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ── Split layout ── */
.hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  min-height: 100vh;
  padding-top: var(--nav-height);
  padding-bottom: var(--space-16);
}

/* ── Left: text ── */
.hero__text { max-width: 560px; }

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(232,160,32,.15);
  border: 1px solid rgba(232,160,32,.35);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: 100px;
  margin-bottom: var(--space-6);
}

.hero__tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.7); }
}

.hero__title {
  font-size: clamp(2.6rem, 4.5vw, 4.2rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -.01em;
  margin-bottom: var(--space-6);
}

.hero__title em {
  font-style: normal;
  color: var(--color-accent);
  position: relative;
}

.hero__desc {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,.65);
  max-width: 480px;
  margin-bottom: var(--space-8);
  line-height: 1.85;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero__stats {
  display: flex;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,.1);
  flex-wrap: wrap;
}

.hero__stat-num {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -.02em;
}

.hero__stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,.5);
  margin-top: 2px;
  letter-spacing: .04em;
}

/* ── Right: visual ── */
.hero__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 480px;
  margin-left: auto;
}

/* 大光暈 */
.hv__orb {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(125,29,63,.9) 0%, rgba(78,15,39,.6) 50%, transparent 80%);
  filter: blur(2px);
}

/* 同心圓環 */
.hv__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.07);
  animation: spin-ring linear infinite;
}

.hv__ring--1 {
  inset: 5%;
  border-color: rgba(232,160,32,.2);
  animation-duration: 30s;
}
.hv__ring--2 {
  inset: 18%;
  border-color: rgba(255,255,255,.1);
  animation-duration: 20s;
  animation-direction: reverse;
}
.hv__ring--3 {
  inset: 31%;
  border-color: rgba(232,160,32,.15);
  animation-duration: 14s;
  border-style: dashed;
}

@keyframes spin-ring {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* 中央圖示 */
.hv__center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.hv__center-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: .3em;
  color: rgba(232,160,32,.7);
  text-transform: uppercase;
}

/* 浮動連接線 SVG */
.hv__lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* 浮動指標卡片 */
.hv__card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  white-space: nowrap;
  animation: float-card ease-in-out infinite;
}

.hv__card-icon { font-size: 22px; line-height: 1; }

.hv__card-title {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.hv__card-val {
  font-size: 11px;
  color: var(--color-accent);
  margin-top: 2px;
  font-weight: 500;
}

.hv__card--tl { top: 4%; left: 0;   animation-duration: 4s;   animation-delay: 0s; }
.hv__card--tr { top: 4%; right: 0;  animation-duration: 4.8s; animation-delay: .8s; }
.hv__card--bl { bottom: 8%; left: 0;  animation-duration: 5.2s; animation-delay: .4s; }
.hv__card--br { bottom: 8%; right: 0; animation-duration: 4.4s; animation-delay: 1.2s; }

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ── Hero RWD ── */
@media (max-width: 900px) {
  .hero__layout {
    grid-template-columns: 1fr;
    padding-bottom: var(--space-12);
  }
  .hero__visual { display: none; }
  .hero__text { max-width: 100%; }
  .hero__title { font-size: clamp(2.2rem, 7vw, 3rem); }
}

@media (max-width: 480px) {
  .hero__stats { gap: var(--space-6); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { text-align: center; justify-content: center; }
}

/* ================================
   ABOUT STRIP (homepage)
================================ */
.about-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-strip__img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-bg-soft);
}

.about-strip__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-strip__badge {
  position: absolute;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

.about-strip__tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.about-strip__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: var(--space-5);
}

.about-strip__text {
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: var(--space-8);
}

.about-strip__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.about-strip__feature {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.about-strip__feature-icon {
  width: 24px;
  height: 24px;
  background: rgba(232,160,32,.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
  font-size: 12px;
}

/* ================================
   CATEGORIES GRID
================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
}

@media (max-width: 900px) {
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
}

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.category-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.category-card__icon {
  width: 64px;
  height: 64px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-size: 28px;
  transition: background var(--transition);
}

.category-card:hover .category-card__icon {
  background: rgba(125,29,63,.08);
}

.category-card__name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.category-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ================================
   PRODUCT CARDS
================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.product-card__img {
  aspect-ratio: 4/3;
  background: var(--color-bg-soft);
  overflow: hidden;
}

.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-4);
  transition: transform var(--transition);
}

.product-card:hover .product-card__img img {
  transform: scale(1.05);
}

.product-card__body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__cat {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.product-card__name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  line-height: 1.4;
  height: 2.8em;          /* 1.4 × 2行，固定死 */
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.product-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-5);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
  margin-top: auto;        /* 永遠推到卡片底部 */
}

.product-card__brand {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ================================
   NEWS CARDS
================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.news-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.news-card__img {
  aspect-ratio: 16/9;
  background: var(--color-bg-soft);
  overflow: hidden;
}

.news-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.news-card:hover .news-card__img img {
  transform: scale(1.05);
}

.news-card__body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.news-card__tag {
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: rgba(125,29,63,.08);
  color: var(--color-primary);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
}

.news-card__date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.news-card__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.45;
  margin-bottom: var(--space-3);
  flex: 1;
}

.news-card__excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.news-card__link {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

/* ================================
   WHY US
================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}

.why-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: background var(--transition);
}

.why-card:hover {
  background: rgba(255,255,255,.1);
}

.why-card__icon {
  font-size: 36px;
  margin-bottom: var(--space-5);
}

.why-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.why-card__text {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,.65);
  line-height: 1.7;
}

.section--dark {
  background: var(--color-bg-dark);
}

.section--dark .section__tag {
  color: var(--color-accent);
}

.section--dark .section__title {
  color: var(--color-white);
}

/* ================================
   CTA BANNER
================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(232,160,32,.08);
}

.cta-banner__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-banner__text {
  color: rgba(255,255,255,.75);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
  position: relative;
}

.cta-banner__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  position: relative;
}

/* ================================
   FOOTER
================================ */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,.7);
  padding-top: var(--space-16);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

.footer__brand p {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer__logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-white);
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-5);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer__link:hover { color: var(--color-accent); }

.footer__contact-item {
  display: flex;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.footer__contact-icon {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,.4);
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ================================
   PAGE HERO (inner pages)
================================ */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding: calc(var(--nav-height) + var(--space-16)) var(--container-pad) var(--space-16);
  text-align: center;
}

.page-hero__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,.7);
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,.5);
}

.breadcrumb a {
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--color-accent); }

/* ================================
   FILTER TABS
================================ */
.filter-tabs {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

/* ── 產品搜尋框 ── */
.product-search {
  position: relative;
  max-width: 480px;
  margin: 0 auto var(--space-8);
}
.product-search__input {
  width: 100%;
  padding: .7rem 2.8rem .7rem 1.1rem;
  border: 2px solid var(--color-border, #ddd);
  border-radius: 2rem;
  font-size: 1rem;
  outline: none;
  transition: border-color .2s;
  background: #fff;
  box-sizing: border-box;
}
.product-search__input:focus {
  border-color: var(--color-primary);
}
.product-search__icon {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 1rem;
}

/* ── 小分類 sub-tabs ── */
.filter-subtabs {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: var(--space-8);
  padding: .75rem 1rem;
  background: var(--color-bg-alt, #f5f5f5);
  border-radius: .75rem;
}
.filter-subtab {
  padding: .3rem .9rem;
  border: 1.5px solid var(--color-border, #ddd);
  border-radius: 2rem;
  background: #fff;
  font-size: .82rem;
  cursor: pointer;
  transition: all .15s;
  color: var(--color-text-muted);
}
.filter-subtab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.filter-subtab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.filter-tab {
  padding: var(--space-2) var(--space-5);
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-white);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ================================
   PRODUCT DETAIL
================================ */
.product-detail {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: var(--space-16);
  align-items: start;
}

.product-detail__gallery {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-8));
}

.pd-breadcrumb {
  font-size: .85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}
.pd-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.pd-breadcrumb a:hover { color: var(--color-primary); }

.product-detail__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--space-4);
}

.product-detail__info {
  min-width: 0;
}

.product-detail__info .pd-tabs {
  margin-top: 1.25rem;
}

.product-detail__main-img {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  margin-bottom: var(--space-4);
}

.product-detail__main-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.product-detail__brand-badge {
  display: inline-block;
  background: rgba(125,29,63,.08);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: var(--space-3);
}

.product-detail__name {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  line-height: 1.25;
}

.product-detail__desc {
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: var(--space-8);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
}

.spec-table th,
.spec-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.spec-table th {
  background: var(--color-bg-soft);
  font-weight: 600;
  color: var(--color-primary);
  width: 40%;
}

.spec-table td {
  color: var(--color-text-muted);
}

/* ── 產品詳細頁 Tabs ── */
.pd-tabs {
  margin-top: 2.5rem;
}
.pd-tabs__nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border, #e0e0e0);
  margin-bottom: 1.5rem;
}
.pd-tabs__btn {
  padding: .65rem 1.4rem;
  border: none;
  background: none;
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color .15s, border-color .15s;
}
.pd-tabs__btn:hover  { color: var(--color-primary); }
.pd-tabs__btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.pd-tabs__panel { display: none; }
.pd-tabs__panel.active { display: block; }

/* ── 從 DB 匯入的 HTML 內容區塊 ── */
.product-detail__feature ul,
.product-detail__feature ol {
  padding-left: 1.4rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}
.product-detail__feature li { margin-bottom: .3rem; }
.product-detail__feature img { max-width: 100%; height: auto; }
.product-detail__feature a  { color: var(--color-primary); }

.product-detail__spec table,
.product-detail__spec .table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  margin-bottom: 1rem;
}
.product-detail__spec td,
.product-detail__spec th {
  border: 1px solid var(--color-border, #ddd);
  padding: .5rem .75rem;
  vertical-align: middle;
  line-height: 1.5;
}
.product-detail__spec td.tc,
.product-detail__spec th.tc { text-align: center; }
.product-detail__spec tr:nth-child(even) td { background: var(--color-bg-alt, #f8f8f8); }

.product-detail__application img {
  max-width: 100%;
  height: auto;
  border-radius: .5rem;
  margin-top: .5rem;
}

/* ================================
   CONTACT PAGE
================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info__item {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  background: rgba(125,29,63,.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info__label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-size: var(--font-size-base);
  color: var(--color-primary);
  font-weight: 500;
}

.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: border-color var(--transition);
  background: var(--color-bg);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-8);
}

.map-embed iframe {
  width: 100%;
  height: 280px;
  border: 0;
  display: block;
}

/* ================================
   ABOUT PAGE
================================ */
.about-timeline {
  position: relative;
  padding-left: var(--space-10);
}

.about-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-10);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-2.5rem - 1px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-item__year {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: var(--space-2);
}

.timeline-item__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.timeline-item__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
}

.value-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: all var(--transition);
}

.value-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.value-card__icon {
  font-size: 40px;
  margin-bottom: var(--space-4);
}

.value-card__title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.value-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ================================
   EMPTY STATE
================================ */
.empty-state {
  text-align: center;
  padding: var(--space-20) var(--space-8);
  color: var(--color-text-muted);
}

.empty-state__icon {
  font-size: 48px;
  margin-bottom: var(--space-4);
}

/* ================================
   PRODUCT CAROUSEL
================================ */
.carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  gap: var(--space-6);
  transition: transform .45s cubic-bezier(.25,.46,.45,.94);
  will-change: transform;
}

/* Each slide shows 3 cards on desktop, 2 on tablet, 1 on mobile */
.carousel__track .product-card {
  flex: 0 0 calc((100% - 2 * var(--space-6)) / 3);
  min-width: 0;
}

@media (max-width: 900px) {
  .carousel__track .product-card {
    flex: 0 0 calc((100% - var(--space-6)) / 2);
  }
}

@media (max-width: 560px) {
  .carousel__track .product-card {
    flex: 0 0 100%;
  }
}

/* Arrow buttons */
.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition);
}

.carousel__btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.carousel__btn:disabled {
  opacity: .35;
  pointer-events: none;
}

.carousel__btn--prev { left: -22px; }
.carousel__btn--next { right: -22px; }

@media (max-width: 768px) {
  .carousel__btn--prev { left: 4px; }
  .carousel__btn--next { right: 4px; }
}

/* Dots */
.carousel__dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.carousel__dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 4px;
}

/* ================================
   LOAD MORE
================================ */
.load-more-wrap {
  text-align: center;
  margin-top: var(--space-12);
}

/* ================================
   SCROLL ANIMATIONS
================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================
   RESPONSIVE
================================ */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .section { padding-block: var(--space-16); }
  .section__title { font-size: var(--font-size-2xl); }
  .about-strip { grid-template-columns: 1fr; gap: var(--space-10); }
  .about-strip__img-wrap { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; }
  .product-detail__gallery { position: static; }
  .footer__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-banner { padding: var(--space-10) var(--space-6); }
  .hero__stats { gap: var(--space-8); }
  .page-hero__title { font-size: var(--font-size-3xl); }
}

@media (max-width: 480px) {
  :root { --container-pad: 1rem; }
  .hero__actions { flex-direction: column; }
  .filter-tabs { gap: var(--space-2); }
}