:root {
  --ink: #213c48;
  --muted: #62737b;
  --line: #d8e0e1;
  --paper: #ffffff;
  --mist: #f2f5f4;
  --mint: #e8eef0;
  --green: #213c48;
  --green-deep: #162f3a;
  --lime: #ebd177;
}

html { scroll-behavior: smooth; }
body {
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
}
img { max-width: 100%; }
a { color: var(--green); }
a:hover { color: var(--green-deep); text-decoration: none; }

.site-nav {
  min-height: 76px;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(23,35,31,.08);
  backdrop-filter: blur(14px);
}
.navbar-brand, .footer-brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); font-weight: 900; }
.brand-mark { display: inline-grid; width: 2.25rem; height: 2.25rem; place-items: center; border-radius: 50%; background: var(--lime); color: var(--green-deep); font-weight: 900; }
.navbar-light .navbar-nav .nav-link { color: #3b4944; font-size: .95rem; font-weight: 600; padding: .7rem .9rem; }
.navbar-light .navbar-nav .nav-link:hover { color: var(--green); }
.btn { border-radius: .55rem; font-weight: 700; letter-spacing: .03em; }
.btn-primary { background: var(--green); border-color: var(--green); box-shadow: none; }
.btn-primary:hover, .btn-primary:focus { background: var(--green-deep); border-color: var(--green-deep); box-shadow: 0 0 0 .2rem rgba(33,60,72,.18); }
.nav-order { padding: .68rem 1.15rem; color: #fff !important; }

.hero { position: relative; overflow: hidden; padding: 5.5rem 0 6rem; background: linear-gradient(115deg, #f5f7f7 0%, #fff 57%, #f7f0d8 100%); }
.hero::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: var(--lime); filter: blur(2px); opacity: .25; left: -230px; bottom: -250px; }
.hero-row { align-items: stretch; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; }
.hero-media { display: flex; }
.eyebrow { margin-bottom: 1rem; color: var(--green); font-size: .78rem; font-weight: 900; letter-spacing: .2em; }
.hero h1 { margin-bottom: 1.5rem; font-size: clamp(3.2rem, 6vw, 5.8rem); font-weight: 900; letter-spacing: -.07em; line-height: 1.04; }
.hero h1 span { color: var(--green); }
.hero-lead { max-width: 31rem; margin-bottom: 2rem; color: var(--muted); font-size: 1.1rem; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 2.8rem; }
.hero-actions .btn { padding: 1rem 1.7rem; }
.text-link { font-weight: 700; border-bottom: 1px solid currentColor; }
.hero-facts { display: flex; margin-bottom: 0; }
.hero-facts li { display: flex; flex: 1; flex-direction: column; padding-right: 1rem; border-right: 1px solid var(--line); }
.hero-facts li + li { padding-left: 1rem; }
.hero-facts li:last-child { border: 0; }
.hero-facts strong { font-size: 1.25rem; }
.hero-facts span { color: var(--muted); font-size: .8rem; }
.hero-visual { position: relative; display: flex; flex: 1 1 auto; min-height: 100%; margin: 0 0 0 3rem; }
.hero-visual::after { content: ""; position: absolute; inset: 1.25rem -1.25rem -1.25rem 1.25rem; border: 2px solid var(--green); border-radius: 1.5rem; z-index: 0; }
.hero-visual img { position: relative; z-index: 1; display: block; width: 100%; height: 100%; object-fit: cover; border-radius: 1.5rem; box-shadow: 0 28px 60px rgba(17,55,39,.16); }
.hero-visual figcaption { position: absolute; z-index: 2; right: -1rem; bottom: 1.4rem; display: flex; flex-direction: column; min-width: 12rem; padding: 1rem 1.25rem; border-radius: .8rem 0 0 .8rem; background: var(--lime); color: var(--green-deep); }
.hero-visual figcaption span { font-size: 1.15rem; font-weight: 900; }
.hero-visual figcaption small { font-weight: 600; }

.statement { padding: 3.3rem 0; background: var(--ink); color: #fff; text-align: center; }
.statement p { margin: 0 0 .25rem; color: #aab8b3; font-weight: 500; }
.statement h2 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.5rem); font-weight: 800; letter-spacing: -.035em; }
.section-space { padding: 7rem 0; }
.section-heading { margin-bottom: 3.5rem; }
.section-heading h2, .material-copy h2, .order-intro h2 { margin-bottom: 1rem; font-size: clamp(2.2rem, 4vw, 3.6rem); font-weight: 900; letter-spacing: -.055em; line-height: 1.16; }
.section-heading > p:last-child, .section-heading .col-lg-5 p, .material-copy > p { color: var(--muted); }
.feature-grid > div { margin-bottom: 1.5rem; }
.feature-card { min-height: 420px; height: 100%; overflow: hidden; border-radius: 1.25rem; }
.feature-card:not(.feature-photo) { display: flex; flex-direction: column; justify-content: space-between; padding: 2rem; }
.feature-card h3 { margin-bottom: .7rem; font-size: 1.55rem; font-weight: 800; }
.feature-card p { margin: 0; }
.feature-dark { background: var(--green); color: #fff; }
.feature-dark p { color: #d5eee3; }
.feature-light { background: var(--mint); color: var(--green-deep); }
.feature-number { font-size: 3.6rem; font-weight: 900; line-height: 1; opacity: .38; }
.feature-photo img { width: 100%; height: 100%; object-fit: cover; }

.colors-section { position: relative; overflow: hidden; background: #f2f5f4; }
.colors-section::before { content: "LUMIO"; position: absolute; right: -1.5rem; top: .9rem; color: rgba(33,60,72,.045); font-size: clamp(9rem, 19vw, 17rem); font-weight: 900; letter-spacing: -.1em; line-height: 1; pointer-events: none; }
.color-showcase-intro { position: relative; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(17rem, .65fr); align-items: end; gap: 3rem; margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(33,60,72,.2); }
.color-showcase-intro h2 { max-width: 13em; margin: 0; color: var(--ink); font-size: clamp(2.5rem, 5vw, 4.8rem); font-weight: 900; letter-spacing: -.065em; line-height: 1.08; }
.color-showcase-intro > p { max-width: 25rem; margin: 0 0 .3rem; color: var(--muted); font-size: 1.03rem; line-height: 1.9; }
.color-showcase-intro strong { color: var(--ink); }
.color-grid { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
.color-card { position: relative; overflow: hidden; margin: 0; border: 1px solid rgba(33,60,72,.12); border-radius: 1.35rem; background: #fff; box-shadow: 0 16px 32px rgba(33,60,72,.08); transition: transform .25s ease, box-shadow .25s ease; }
.color-card:hover { transform: translateY(-6px); box-shadow: 0 24px 40px rgba(33,60,72,.14); }
.color-card img { display: block; width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.color-card figcaption { display: flex; justify-content: space-between; align-items: flex-end; gap: 1.5rem; padding: 1.5rem 1.65rem 1.65rem; }
.color-card__name, .color-card__note { display: block; }
.color-card__name { color: var(--ink); font-size: clamp(1.35rem, 2vw, 1.75rem); font-weight: 900; letter-spacing: -.04em; }
.color-card__note { margin-top: .35rem; color: var(--muted); font-size: .88rem; font-weight: 600; }
.color-card__action { flex: 0 0 auto; padding-bottom: .18rem; border-bottom: 1px solid currentColor; color: var(--ink); font-size: .85rem; font-weight: 900; white-space: nowrap; }
.color-card__action:hover, .color-card__action:focus { color: var(--green-deep); text-decoration: none; }
.color-card.available::after { content: "LUMIO PICK"; position: absolute; top: 1rem; right: 1rem; padding: .38rem .65rem; border-radius: 999px; background: var(--lime); color: var(--green-deep); font-size: .68rem; font-weight: 900; letter-spacing: .08em; }

.material-section { overflow: hidden; }
.material-photo { position: relative; margin: 0 4rem 0 0; }
.material-photo::before { content: ""; position: absolute; width: 80%; height: 80%; left: -2rem; bottom: -2rem; border-radius: 1.2rem; background: var(--mint); }
.material-photo img { position: relative; display: block; width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 1.2rem; }
.material-photo figcaption { position: absolute; right: -1.5rem; top: 2rem; padding: .7rem 1rem; border-radius: .5rem; background: var(--ink); color: #fff; font-size: .85rem; font-weight: 700; }
.detail-list { margin-top: 2.2rem; border-top: 1px solid var(--line); }
.detail-list > div { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.detail-list span { color: var(--muted); }
.detail-list strong { font-weight: 700; }

.order-section { padding: 7rem 0; background: var(--green-deep); }
.order-shell { overflow: hidden; border-radius: 1.5rem; background: #fff; box-shadow: 0 30px 80px rgba(3,24,16,.25); }
.order-shell .row.no-gutters > .order-intro,
.order-shell .row.no-gutters > .order-panel { padding: 3.5rem; }
.order-intro { background: var(--lime); color: var(--green-deep); }
.order-intro .eyebrow { color: var(--green-deep); }
.order-intro p { font-weight: 500; }
.launch-note { display: flex; gap: .7rem; align-items: flex-start; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(13,77,52,.25); font-size: .85rem; }
.launch-note span { flex: 0 0 auto; display: inline-grid; width: 1.4rem; height: 1.4rem; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-weight: 900; line-height: 1; }
.order-panel { min-height: 620px; }
legend { margin-bottom: 1rem; font-size: 1rem; font-weight: 800; }
.product-size { display: grid; gap: .15rem; margin: 0 0 1.5rem; padding: 1rem 1.1rem; border: 1px solid rgba(33,60,72,.2); border-left: 4px solid var(--green); border-radius: .55rem; background: var(--mint); color: var(--green-deep); }
.product-size span { font-size: .76rem; font-weight: 900; letter-spacing: .12em; }
.product-size strong { font-size: 1.1rem; }
.product-size small { color: #3b5c4d; font-weight: 600; }
.available-colors { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.order-color { position: relative; display: grid; grid-template-columns: 72px 1fr; align-items: center; gap: 1rem; margin: 0; padding: .6rem; border: 2px solid var(--line); border-radius: .8rem; cursor: pointer; transition: border-color .2s, box-shadow .2s; }
.order-color:hover, .order-color.selected { border-color: var(--green); box-shadow: 0 0 0 3px rgba(33,60,72,.1); }
.order-color input { position: absolute; opacity: 0; pointer-events: none; }
.order-color img { width: 72px; height: 72px; border-radius: .5rem; object-fit: cover; }
.order-color span { display: flex; flex-direction: column; }
.order-color strong { font-size: 1.05rem; }
.order-color small { color: var(--green); }
.order-fields { margin-top: 1.75rem; }
.form-group label { color: #394842; font-weight: 700; }
.form-control { min-height: 50px; border-color: var(--line); border-radius: .55rem; font-size: 1rem; }
.form-control:focus { border-color: var(--green); box-shadow: 0 0 0 .2rem rgba(33,60,72,.12); }
textarea.form-control { min-height: 82px; resize: vertical; }
.quantity-control { display: grid; grid-template-columns: 48px 1fr 48px; min-height: 50px; overflow: hidden; border: 1px solid var(--line); border-radius: .55rem; }
.quantity-control button { border: 0; background: var(--mist); color: var(--ink); font-size: 1.3rem; }
.quantity-control button:hover { background: var(--mint); }
.quantity-control input { width: 100%; border: 0; text-align: center; font-weight: 800; appearance: textfield; }
.quantity-control input::-webkit-outer-spin-button, .quantity-control input::-webkit-inner-spin-button { margin: 0; appearance: none; }
.order-summary { margin: .5rem 0 1.5rem; padding: 1rem 1.2rem; border-radius: .7rem; background: var(--mist); }
.order-summary > div { display: flex; justify-content: space-between; gap: 1rem; padding: .35rem 0; font-size: .92rem; }
.order-summary span { color: var(--muted); }
.payment-row strong { color: #7a8581; font-weight: 600; }
.ecpay-dot { display: inline-block; width: .58rem; height: .58rem; margin-right: .35rem; border-radius: 50%; background: #80bf41; }
.submit-order { padding: .9rem; }
.form-caption { margin: .7rem 0 0; color: var(--muted); font-size: .78rem; }
.order-success { display: flex; min-height: 520px; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.success-icon { display: grid; width: 72px; height: 72px; margin-bottom: 1.25rem; place-items: center; border-radius: 50%; background: var(--mint); color: var(--green); font-size: 2rem; font-weight: 900; }
.order-success h3 { font-size: 1.7rem; font-weight: 900; }
.order-success p { max-width: 28rem; color: var(--muted); }

.site-footer { padding: 2rem 0; background: #0b1713; color: #aebbb6; }
.site-footer p { margin: 0; font-size: .82rem; }
.site-footer a { color: #fff; font-size: .9rem; font-weight: 700; }
.footer-brand { color: #fff; }
.footer-brand .brand-mark { width: 2rem; height: 2rem; }

@media (max-width: 991.98px) {
  .site-nav { min-height: 68px; }
  .navbar-collapse { margin-top: .8rem; padding: .8rem 0 1rem; border-top: 1px solid var(--line); }
  .hero { padding: 4rem 0; }
  .hero-copy { display: block; margin-bottom: 3rem; }
  .hero-media { display: block; }
  .hero-visual { display: block; min-height: 0; margin-left: 0; }
  .hero-visual img { height: auto; aspect-ratio: 4/3; }
  .color-showcase-intro { grid-template-columns: 1fr; gap: 1.1rem; }
  .color-grid { grid-template-columns: repeat(2, 1fr); }
  .material-photo { margin: 0 0 5rem 1rem; }
  .order-shell .row.no-gutters > .order-intro,
  .order-shell .row.no-gutters > .order-panel { padding: 2.5rem; }
}

@media (max-width: 767.98px) {
  .section-space, .order-section { padding: 4.5rem 0; }
  .hero h1 { font-size: 3.3rem; }
  .hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); }
  .hero-facts li { padding-right: .5rem; }
  .hero-facts li + li { padding-left: .5rem; }
  .hero-visual::after { inset: .8rem -.5rem -.8rem .8rem; }
  .feature-card { min-height: 330px; }
  .color-showcase-intro { margin-bottom: 2rem; padding-bottom: 1.5rem; }
  .color-card figcaption { padding: 1.2rem; }
  .order-shell .row.no-gutters > .order-intro,
  .order-shell .row.no-gutters > .order-panel { padding: 2rem 1.25rem; }
  .site-footer .container { gap: 1rem; }
}

@media (max-width: 575.98px) {
  .hero { padding-top: 3rem; }
  .hero h1 { font-size: 2.8rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-facts strong { font-size: 1rem; }
  .hero-facts span { font-size: .68rem; }
  .hero-visual figcaption { right: -.5rem; min-width: 10rem; }
  .available-colors { grid-template-columns: 1fr; }
  .color-grid { grid-template-columns: 1fr; gap: 1rem; }
  .color-card img { aspect-ratio: 4/3; }
  .color-card figcaption { align-items: flex-start; flex-direction: column; gap: .85rem; }
  .order-summary > div { flex-direction: column; gap: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}