:root {
  --blue-900: #0e2540;
  --blue-800: #163556;
  --blue-700: #1e4a78;
  --blue-500: #4d8bc2;
  --blue-300: #aac6e0;
  --blue-100: #dde9f3;
  --blue-50:  #eef4fa;

  --cream:    #fafcff;
  --paper:    #fdfeff;
  --ink:      #1a2433;
  --ink-soft: #475568;
  --rule:     #d8e0ea;

  --blue-900-rgb: 14, 37, 64;
}

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

/* ── Full-screen scroll snap ── */
html, body {
  overflow: hidden; /* 交由 JS transform 控制滾動，關閉瀏覽器原生滾動 */
}
html {
  overscroll-behavior: none;
}

body {
  font-family: 'Noto Sans TC', sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transition: opacity 0.3s ease;
}
body.loaded { opacity: 1; }

#scroll-wrap {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 0; /* 導覽列 z-index:200 會蓋在上面 */
  will-change: transform;
  transition: transform 0.52s cubic-bezier(0.77, 0, 0.175, 1);
}

/* ═══════════════════════════════════
   PANELS
═══════════════════════════════════ */
.panel {
  height: 100vh;
  height: 100dvh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.panel-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  transform: scale(1.06);
  transition: transform 1s ease;
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.panel.active .panel-bg { transform: scale(1); }

.panel-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(var(--blue-900-rgb), 0.80) 0%,
    rgba(var(--blue-900-rgb), 0.45) 100%
  );
}
.cta-overlay {
  background: rgba(var(--blue-900-rgb), 0.68);
}

/* ═══════════════════════════════════
   FIXED NAV
═══════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 22px 52px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.4s, backdrop-filter 0.4s;
}
nav.dark {
  background: rgba(var(--blue-900-rgb), 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.brand {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none; color: var(--cream);
}
.brand-mark {
  width: 40px; height: 40px;
  background: var(--blue-700); color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Noto Serif TC', serif;
  font-weight: 700; font-size: 20px;
}
.brand-name {
  font-family: 'Noto Serif TC', serif;
  font-size: 20px; font-weight: 600; letter-spacing: 0.1em;
}
.brand-sub {
  font-family: 'Playfair Display', serif;
  font-style: italic; font-size: 10px;
  color: var(--blue-300); letter-spacing: 0.25em;
}

.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none; font-size: 13px; letter-spacing: 0.1em;
  transition: color 0.2s;
}
.nav-links a:hover { color: white; }
.nav-cta {
  background: var(--blue-700); color: white !important;
  padding: 9px 22px; border-radius: 999px;
  font-weight: 500; transition: background 0.2s;
}
.nav-cta:hover { background: var(--blue-500) !important; }

/* ═══════════════════════════════════
   SIDE DOTS
═══════════════════════════════════ */
.side-dots {
  position: fixed;
  right: 32px; top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 14px;
  z-index: 200;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.55);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s; padding: 0;
}
.dot.active {
  background: white;
  border-color: white;
  transform: scale(1.3);
}
.dot:hover { background: rgba(255,255,255,0.45); }

/* ═══════════════════════════════════
   SHARED EYEBROW
═══════════════════════════════════ */
.eyebrow {
  color: var(--blue-300);
  font-size: 11px; letter-spacing: 0.4em;
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 16px;
}
.eyebrow::before {
  content: '';
  width: 36px; height: 1px;
  background: var(--blue-300);
  flex-shrink: 0;
}
.eyebrow.light {
  color: var(--blue-700);
}
.eyebrow.light::before { background: var(--blue-700); }
.eyebrow.center { justify-content: center; }
.eyebrow.center::before { display: none; }

/* ═══════════════════════════════════
   PANEL 0 · HERO
═══════════════════════════════════ */
.hero-content {
  position: relative; z-index: 10;
  padding: 100px 10vw 0;
  max-width: 820px;
}
.hero-content h1 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(48px, 6.5vw, 92px);
  font-weight: 600; line-height: 1.1;
  letter-spacing: 0.02em; color: white;
  margin-bottom: 28px;
  white-space: nowrap;
}
.hero-content h1 em {
  font-family: 'Playfair Display', serif;
  font-style: italic; color: var(--blue-300); font-weight: 400;
}
.hero-content .lede {
  font-size: 15px; color: rgba(255,255,255,0.7);
  line-height: 2; margin-bottom: 48px;
  max-width: 460px;
}
.btn-scroll {
  display: inline-flex; align-items: center; gap: 12px;
  color: white; text-decoration: none;
  font-size: 12px; letter-spacing: 0.35em;
  border: 1px solid rgba(255,255,255,0.4);
  padding: 14px 32px;
  transition: all 0.3s;
}
.btn-scroll:hover { background: rgba(255,255,255,0.1); border-color: white; }
.arrow-anim { display: inline-block; animation: arrowBounce 2s infinite; }
@keyframes arrowBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(5px); }
}

.hero-stats {
  display: flex; align-items: center; gap: 40px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.stat-item .n {
  font-family: 'Playfair Display', serif;
  font-size: 44px; color: white; font-weight: 500;
  line-height: 1; display: block;
}
.stat-item .count-sfx {
  font-family: 'Playfair Display', serif;
  font-size: 34px; color: white; font-weight: 500;
  line-height: 1;
}
.stat-item .l {
  font-size: 11px; color: var(--blue-300);
  letter-spacing: 0.25em; margin-top: 6px; display: block;
}
.stat-sep { width: 1px; height: 48px; background: rgba(255,255,255,0.18); }

.scroll-cue {
  position: absolute; bottom: 52px; right: 10vw; z-index: 10;
}
.scroll-line {
  width: 1px; height: 56px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.55));
  margin: 0 auto;
  animation: linePulse 2.4s ease-in-out infinite;
}
@keyframes linePulse {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ═══════════════════════════════════
   PANEL 1 · PRODUCTS
═══════════════════════════════════ */
.panel-dark { background: var(--blue-900); }

.products-layout {
  position: relative; z-index: 10;
  width: 100%; height: 100%;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
}

.prod-visual { position: relative; overflow: hidden; }
.prod-img {
  position: absolute; inset: 0;
  background-size: cover; background-position: center 32%;
  transition: background-image 0.05s;
}
.prod-badge {
  position: absolute; top: 52px; left: 52px;
  background: var(--blue-700); color: white;
  padding: 7px 18px; font-size: 11px; letter-spacing: 0.25em;
  border-radius: 2px;
}

/* out-of-stock overlay */
.prod-visual.out::after {
  content: attr(data-label);
  position: absolute; inset: 0;
  background: rgba(var(--blue-900-rgb), 0.72);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Noto Serif TC', serif;
  font-size: 28px; letter-spacing: 0.4em;
  z-index: 5;
}

.prod-info {
  padding: 0 64px;
  display: flex; flex-direction: column; justify-content: center;
  background: var(--blue-900);
}
.panel-eyebrow {
  color: var(--blue-300); font-size: 11px; letter-spacing: 0.4em;
  margin-bottom: 28px;
}
.prod-origin {
  font-family: 'Playfair Display', serif;
  font-style: italic; color: var(--blue-300);
  font-size: 20px; letter-spacing: 0.1em; margin-bottom: 10px;
}
.prod-name {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(30px, 3.2vw, 48px);
  font-weight: 600; color: white;
  margin-bottom: 20px; letter-spacing: 0.04em; line-height: 1.2;
}
.prod-desc {
  font-size: 14px; color: var(--blue-100);
  line-height: 2; margin-bottom: 24px; max-width: 380px;
}
.prod-tags {
  display: flex; gap: 10px; margin-bottom: 32px; flex-wrap: wrap;
}
.prod-tags span {
  font-size: 11px; color: var(--blue-300);
  border: 1px solid var(--blue-700);
  padding: 4px 14px; letter-spacing: 0.15em;
}
.prod-price-row {
  display: flex; align-items: center; gap: 32px; margin-bottom: 36px;
}
.prod-price .c { font-size: 13px; color: var(--blue-300); }
.prod-price .a {
  font-family: 'Playfair Display', serif;
  font-size: 52px; color: white; font-weight: 500; line-height: 1;
}
.prod-price .u { font-size: 12px; color: var(--blue-300); margin-left: 4px; }

.btn-order {
  background: white; color: var(--blue-900);
  padding: 14px 28px; text-decoration: none;
  font-size: 12px; letter-spacing: 0.2em; font-weight: 500;
  transition: all 0.25s;
  display: inline-flex; align-items: center;
}
.btn-order:hover { background: var(--blue-300); }
.btn-order.disabled {
  background: rgba(255,255,255,0.25); color: rgba(255,255,255,0.5);
  pointer-events: none;
}

.prod-nav { display: flex; align-items: center; gap: 16px; }
.pnav-btn {
  background: transparent; color: rgba(255,255,255,0.45);
  border: none; cursor: pointer;
  font-size: 12px; letter-spacing: 0.15em;
  font-family: 'Noto Sans TC', sans-serif;
  padding: 0; transition: color 0.2s;
}
.pnav-btn:hover { color: white; }
.pnav-dots { display: flex; gap: 8px; }
.pdot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255,255,255,0.28);
  border: none; cursor: pointer; padding: 0;
  transition: all 0.3s;
}
.pdot.active { background: white; width: 20px; border-radius: 3px; }

/* ── Product arrow buttons ── */
.prod-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(var(--blue-900-rgb), 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  width: 44px; height: 44px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 30px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  transition: all 0.2s;
  padding: 0;
  user-select: none;
}
.prod-arrow:hover {
  background: rgba(var(--blue-900-rgb), 0.82);
  border-color: rgba(255,255,255,0.6);
}
.prod-arrow-prev { left: 20px; }
.prod-arrow-next { right: 20px; }

/* ═══════════════════════════════════
   PANEL 2 · ABOUT
═══════════════════════════════════ */
.panel-about { background: var(--blue-900); }

.about-split {
  width: 100%; height: 100%;
  display: grid; grid-template-columns: 1fr 1fr;
}
.about-img-side { position: relative; overflow: hidden; }
.about-photo {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.about-text-side {
  padding: 11vh 8vw;
  display: flex; flex-direction: column; justify-content: center;
  background: var(--paper);
}
.about-text-side h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(30px, 3.2vw, 48px);
  font-weight: 500; color: var(--blue-900);
  margin-bottom: 28px; line-height: 1.3;
}
.about-text-side p {
  color: var(--ink-soft); font-size: 14px;
  line-height: 2; margin-bottom: 18px;
  max-width: 400px;
}
blockquote {
  font-family: 'Noto Serif TC', serif;
  font-size: 17px; color: var(--blue-700);
  line-height: 1.9;
  border-left: 3px solid var(--blue-700);
  padding-left: 20px;
  margin: 28px 0;
}
.about-sign { margin-top: 4px; }
.sign-name {
  font-family: 'Playfair Display', serif;
  font-style: italic; font-size: 26px; color: var(--blue-700);
}
.sign-role {
  font-size: 11px; color: var(--ink-soft);
  letter-spacing: 0.3em; margin-top: 4px;
}

/* ═══════════════════════════════════
   PANEL 3 · PROCESS
═══════════════════════════════════ */
.panel-process { background: var(--blue-50); justify-content: center; }

.process-inner { width: 100%; padding: 0 10vw; }
.process-inner h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(32px, 3.8vw, 52px);
  font-weight: 500; color: var(--blue-900);
  letter-spacing: 0.05em; margin-bottom: 72px;
}
.center { text-align: center; }

.steps {
  display: flex; align-items: flex-start;
}
.step { flex: 1; text-align: center; padding: 0 20px; }
.step-num {
  font-family: 'Playfair Display', serif;
  font-size: clamp(60px, 6.5vw, 88px);
  font-weight: 400; color: var(--blue-300); line-height: 1;
  margin-bottom: 20px;
  transition: color 0.3s;
}
.step:hover .step-num { color: var(--blue-700); }
.step h3 {
  font-family: 'Noto Serif TC', serif;
  font-size: 19px; color: var(--blue-900);
  margin-bottom: 10px; letter-spacing: 0.1em;
}
.step p { font-size: 13px; color: var(--ink-soft); line-height: 1.9; }
.step-arrow {
  font-size: 22px; color: var(--blue-300);
  padding-top: 32px; flex-shrink: 0;
}

/* ═══════════════════════════════════
   PANEL 4 · ORDER FORM
═══════════════════════════════════ */
.panel-order {
  background:
    radial-gradient(circle at 12% 20%, rgba(170,198,224,0.28), transparent 30%),
    linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 54%, var(--blue-900) 100%);
  color: white;
}
.order-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  filter: saturate(0.8);
  transform: scale(1.04);
}
.order-inner {
  position: relative;
  z-index: 10;
  width: 100%;
  min-height: 100%;
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding: 104px 10vw 64px;
}
.order-copy h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(38px, 4.8vw, 68px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0.05em;
  margin-bottom: 26px;
}
.order-lede {
  max-width: 460px;
  color: rgba(255,255,255,0.72);
  font-size: 15px;
  line-height: 2;
  margin-bottom: 34px;
}
.demo-notice {
  display: inline-flex;
  align-items: center;
  margin-bottom: 22px;
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.08em;
}
.order-flow {
  display: grid;
  gap: 14px;
  max-width: 500px;
}
.order-flow-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  align-items: start;
  padding: 15px 0;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.order-flow-item span {
  font-family: 'Playfair Display', serif;
  color: var(--blue-300);
  font-size: 22px;
  line-height: 1;
}
.order-flow-item p {
  color: var(--blue-100);
  font-size: 14px;
  line-height: 1.8;
}
.order-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.contact-link {
  color: white;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.34);
  padding: 12px 22px;
  font-size: 12px;
  letter-spacing: 0.18em;
  transition: all 0.25s;
}
.contact-link:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.75);
}
.order-form-card {
  min-width: 0;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(250,252,255,0.12);
  box-shadow: 0 28px 70px rgba(0,0,0,0.24);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 14px;
}
.form-frame-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 4px 4px 12px;
  color: white;
}
.form-frame-label span {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  letter-spacing: 0.08em;
}
.form-frame-label small {
  color: var(--blue-300);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.order-form-iframe {
  display: block;
  width: 100%;
  height: min(64vh, 640px);
  min-height: 520px;
  border: 0;
  background: var(--paper);
}

/* ═══════════════════════════════════
   PANEL 5 · CTA + FOOTER
═══════════════════════════════════ */
.panel-cta { flex-direction: column; justify-content: space-between; }

.cta-content {
  position: relative; z-index: 10;
  flex: 1;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  text-align: center; padding: 0 24px;
}
.cta-content h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(34px, 4.8vw, 64px);
  color: white; margin-bottom: 20px; line-height: 1.2;
}
.cta-content > p {
  color: rgba(255,255,255,0.72);
  margin-bottom: 44px; line-height: 1.9; font-size: 15px;
}
.cta-buttons { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.btn-primary {
  background: white; color: var(--blue-900);
  padding: 15px 36px; text-decoration: none;
  font-size: 12px; letter-spacing: 0.2em;
  border: 1.5px solid white; transition: all 0.25s;
}
.btn-primary:hover { background: transparent; color: white; }
.btn-secondary {
  background: transparent; color: white;
  padding: 15px 36px; text-decoration: none;
  font-size: 12px; letter-spacing: 0.2em;
  border: 1.5px solid rgba(255,255,255,0.38);
  transition: all 0.25s;
}
.btn-secondary:hover { border-color: white; background: rgba(255,255,255,0.1); }

footer {
  position: relative; z-index: 10; width: 100%;
  background: rgba(var(--blue-900-rgb), 0.65);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  padding: 22px 10vw;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px;
}
.footer-brand strong {
  font-family: 'Noto Serif TC', serif; color: white; font-size: 16px;
  display: block; margin-bottom: 4px;
}
.footer-brand p { color: var(--blue-300); font-size: 12px; }
.footer-links { display: flex; gap: 28px; }
.footer-links a {
  color: var(--blue-300); text-decoration: none;
  font-size: 12px; letter-spacing: 0.12em; transition: color 0.2s;
}
.footer-links a:hover { color: white; }
.footer-bottom {
  display: flex; justify-content: space-between;
  font-size: 10px; color: rgba(255,255,255,0.28);
  letter-spacing: 0.2em;
  padding-top: 14px; border-top: 1px solid rgba(255,255,255,0.08);
}

/* ═══════════════════════════════════
   RESPONSIVE
═══════════════════════════════════ */
@media (max-width: 960px) {
  nav {
    padding: 16px 24px;
    flex-wrap: wrap;
    gap: 12px 18px;
    align-items: flex-start;
  }
  .nav-links {
    order: 2;
    flex: 0 0 100%;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .products-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 38dvh 1fr;
    padding-top: 112px; /* 讓內容從導覽列底部開始，圖片不被遮 */
  }
  .prod-visual { height: auto; min-height: 0; } /* 由 grid 1fr 決定高度 */
  .prod-badge { top: 16px; }
  .prod-arrow { width: 38px; height: 38px; font-size: 24px; }
  .prod-arrow-prev { left: 12px; }
  .prod-arrow-next { right: 12px; }
  .prod-nav { order: -1; margin-bottom: 10px; } /* 縮圖移到 prod-info 最上方 */
  .prod-info { padding: 14px 24px 18px; justify-content: flex-start; }
  .panel-eyebrow { margin-bottom: 8px; }
  .prod-name { font-size: 24px; margin-bottom: 6px; }
  .prod-desc { margin-bottom: 8px; }
  .prod-tags { margin-bottom: 8px; }
  .prod-price-row { gap: 16px; margin-bottom: 0; justify-content: space-between; }
  .prod-price .a { font-size: 38px; }

  .about-split { grid-template-columns: 1fr; grid-template-rows: 25dvh 1fr; padding-top: 112px; }
  .about-img-side { height: auto; min-height: 0; }
  .about-photo { position: absolute; }
  .about-text-side { padding: 16px 24px 20px; overflow-y: auto; justify-content: flex-start; }
  .about-text-side .eyebrow { display: none; } /* Our Story 在手機版不顯示 */
  .about-text-side h2 { margin-bottom: 14px; }
  .about-text-side p { margin-bottom: 10px; }
  blockquote { margin: 12px 0; font-size: 15px; }
  .sign-name { font-size: 18px; }
  .sign-role { font-size: 10px; }

  .hero-content { padding: 0 6vw; }
  .hero-stats { left: 6vw; right: 6vw; }

  .panel-process { padding-top: 112px; align-items: flex-start; } /* align-items 才是控制垂直方向 */
  .process-inner { padding: 20px 5vw; }
  .process-inner h2 { margin-bottom: 28px; }
  .steps { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 12px; align-items: start; }
  .step-num { font-size: 40px; margin-bottom: 6px; }
  .step-arrow { display: none; }

  .panel-order { align-items: stretch; overflow: hidden; }
  .order-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
    height: 100dvh;
    overflow-y: auto;
    padding: 124px 24px 32px;
    -webkit-overflow-scrolling: touch;
  }
  .order-copy h2 { font-size: 34px; margin-bottom: 16px; }
  .order-lede { font-size: 14px; line-height: 1.85; margin-bottom: 18px; }
  .demo-notice {
    display: flex;
    width: 100%;
    font-size: 12px;
    margin-bottom: 18px;
  }
  .order-flow { gap: 0; }
  .order-flow-item {
    grid-template-columns: 38px 1fr;
    gap: 12px;
    padding: 11px 0;
  }
  .order-flow-item p { font-size: 13px; line-height: 1.65; }
  .order-contact { margin-top: 22px; }
  .contact-link {
    flex: 1 1 150px;
    text-align: center;
    padding: 12px 16px;
  }
  .order-form-card { padding: 10px; }
  .form-frame-label {
    flex-direction: column;
    gap: 3px;
    padding-bottom: 10px;
  }
  .order-form-iframe {
    width: 100%;
    height: 78vh;
    min-height: 680px;
  }

  .side-dots { right: 16px; }

  /* 手機版關掉背景縮放動畫：scroll-snap + scale 動畫同時跑會卡頓 */
  .panel-bg { transform: none; transition: none; }
  .panel.active .panel-bg { transform: none; }

  .footer-inner { flex-direction: column; gap: 14px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 14px; }
}

@media (max-width: 600px) {
  .hero-content h1 { font-size: 36px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; bottom: 72px; }
  .stat-sep { display: none; }

  .prod-name { font-size: 22px; }
  .prod-desc { font-size: 13px; }
  .prod-price-row { gap: 20px; }
  .prod-price .a { font-size: 36px; }

  .steps { flex-direction: column; gap: 28px; align-items: center; }
  .step { text-align: center; padding: 0 20px; display: block; }
  .step-num { font-size: 44px; margin-bottom: 8px; }

  .process-inner h2 { margin-bottom: 36px; }
}

/* ── 縮圖列導航 ── */
.prod-thumbs {
  display: flex;
  gap: 10px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 6px 8px;
  margin-top: 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
  touch-action: pan-y;
}
.prod-thumbs::-webkit-scrollbar { display: none; }
.pthumb {
  width: 42px; height: 42px;
  border-radius: 50%;
  background-size: cover; background-position: center;
  cursor: pointer;
  border: 2px solid rgba(255,255,255,0.2);
  transition: all 0.25s;
  opacity: 0.5;
  padding: 0; flex-shrink: 0;
  -webkit-user-drag: none;
  user-select: none;
  -webkit-touch-callout: none;
  touch-action: manipulation;
}
.pthumb.active {
  border-color: white;
  border-width: 2.5px;
  opacity: 1;
  transform: scale(1.12);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.25);
}
.pthumb:hover:not(.active) {
  opacity: 0.75;
  border-color: rgba(255,255,255,0.5);
}
.pthumb.out-soon { filter: grayscale(0.7); }
.prod-nav { margin-top: 8px; }