/* ============================================================
   包安心 Peace of Mind — 網站樣式
   設計語彙參考精品官網：大量留白、細字距、全幅視覺、
   低對比的柔和動態效果。品牌色沿用包裝主色（黏貼式-藍、
   內褲式-粉），並以暖白／木炭色作為主背景營造安心質感。
   ============================================================ */

:root {
  --color-bg: #faf8f4;
  --color-bg-alt: #f2ede4;
  --color-surface: #ffffff;
  --color-text: #24211d;
  --color-text-soft: #706a62;
  --color-line: #e3dbcd;
  --color-teal: #4d7c85;
  --color-teal-dark: #2f4f56;
  --color-pink: #d98aa0;
  --color-pink-dark: #a85068;
  --color-gold: #a9824f;
  --color-danger: #b3453f;
  --shadow-soft: 0 18px 40px -20px rgba(36, 33, 29, 0.25);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Noto Sans TC", "Hiragino Sans", sans-serif;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, .serif {
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-teal-dark);
}
.section-title {
  font-size: clamp(26px, 3vw, 38px);
  margin-top: 10px;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-desc {
  color: var(--color-text-soft);
  margin-top: 16px;
  font-size: 15px;
}
section { padding: 96px 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  border: 1px solid var(--color-text);
  background: transparent;
  color: var(--color-text);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: transform 0.45s var(--ease), background 0.35s, color 0.35s, box-shadow .35s;
}
.btn:hover { background: var(--color-text); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.btn.btn-primary {
  background: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
  color: #fff;
}
.btn.btn-primary:hover { background: var(--color-teal); border-color: var(--color-teal); }
.btn.btn-block { width: 100%; }
.btn[disabled] { opacity: .4; cursor: not-allowed; pointer-events: none; }

/* ---------------- Announcement bar ---------------- */
.announce {
  background: var(--color-teal-dark);
  color: #f4efe4;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-align: center;
  padding: 9px 12px;
}

/* ---------------- Header / Nav ---------------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.logo {
  font-size: 22px;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.1;
}
.logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.logo-icon svg { width: 100%; height: 100%; display: block; }
.logo-text { display: flex; flex-direction: column; }
.logo span.sub {
  font-family: "Noto Sans TC", sans-serif;
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--color-text-soft);
  text-transform: uppercase;
  margin-top: 2px;
}
nav.main-nav {
  display: flex;
  gap: 40px;
}
nav.main-nav a {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 2px;
  position: relative;
  transition: transform 0.4s var(--ease), color 0.3s;
  transform-origin: center;
}
nav.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--color-teal-dark);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.45s var(--ease);
}
nav.main-nav a:hover {
  transform: scale(1.18);
  color: var(--color-teal-dark);
}
nav.main-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 22px; }
.icon-btn {
  position: relative;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  transition: transform 0.4s var(--ease), border-color .3s;
  background: var(--color-surface);
}
.icon-btn:hover { transform: scale(1.12); border-color: var(--color-teal-dark); }
.cart-count {
  position: absolute;
  top: -6px; right: -6px;
  background: var(--color-pink-dark);
  color: #fff;
  font-size: 11px;
  min-width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  padding: 0 3px;
}
.menu-toggle { display: none; }

/* ---------------- Hero video ---------------- */
.hero {
  position: relative;
  height: 86vh;
  min-height: 560px;
  overflow: hidden;
  background: #0d1f22;
}
.hero video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.88;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,20,22,.35) 0%, rgba(10,20,22,.15) 40%, rgba(10,20,22,.55) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 0 24px;
}
.hero-tagline {
  font-size: clamp(28px, 5vw, 54px);
  letter-spacing: 0.12em;
  text-shadow: 0 4px 30px rgba(0,0,0,.35);
}
.hero-tagline .divider { margin: 0 14px; opacity: .6; font-weight: 300; }
.hero-sub {
  margin-top: 22px;
  font-size: 14px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #e6dfd2;
}
.hero-cta { margin-top: 40px; display: flex; gap: 16px; }
.hero-cta .btn { border-color: #fff; color: #fff; }
.hero-cta .btn:hover { background: #fff; color: var(--color-text); }
.hero-mute {
  position: absolute;
  bottom: 28px; right: 32px;
  z-index: 3;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.6);
  background: rgba(0,0,0,.25);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: transform .4s var(--ease);
}
.hero-mute:hover { transform: scale(1.12); }
.scroll-cue {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 3; color: #fff; font-size: 11px; letter-spacing: .3em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 8px; opacity: .85;
}
.scroll-cue .line { width: 1px; height: 26px; background: #fff; animation: scrollcue 1.8s infinite; }
@keyframes scrollcue { 0%{ transform: scaleY(0); opacity:0;} 40%{ transform: scaleY(1); opacity:1;} 100%{ transform: scaleY(1); opacity:0;} }

/* ---------------- Trust strip ---------------- */
.trust-strip {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}
.trust-strip .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.trust-item {
  padding: 26px 18px;
  text-align: center;
  border-left: 1px solid var(--color-line);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-text-soft);
}
.trust-item:first-child { border-left: none; }
.trust-item strong { display: block; color: var(--color-text); font-family: "Noto Serif TC", serif; font-size: 15px; margin-bottom: 4px; }

/* ---------------- Brand advantage ---------------- */
.advantage { background: var(--color-bg-alt); }
.advantage-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.advantage-copy p { color: var(--color-text-soft); margin: 18px 0 0; }
.advantage-list { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 18px; }
.advantage-list li {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 18px 20px;
  transition: transform .4s var(--ease), box-shadow .4s;
}
.advantage-list li:hover { transform: translateY(-3px); box-shadow: var(--shadow-soft); }
.advantage-list .num {
  font-family: "Noto Serif TC", serif;
  color: var(--color-teal-dark);
  font-size: 20px;
}
.advantage-list h4 { font-size: 15px; margin-bottom: 4px; }
.advantage-list p { margin: 0; color: var(--color-text-soft); font-size: 13.5px; }
.advantage-image { border: 1px solid var(--color-line); overflow: hidden; }
.advantage-image img { width: 100%; }

/* ---------------- Shop / Products ---------------- */
.shop { background: var(--color-surface); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.product-card {
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  transition: transform .5s var(--ease), box-shadow .5s;
  position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }
.product-media {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #fff;
  position: relative;
}
.product-media img {
  width: 100%; height: 100%; object-fit: contain; padding: 14px;
  transition: transform .6s var(--ease);
}
.product-card:hover .product-media img { transform: scale(1.06); }
.badge {
  position: absolute; top: 14px; left: 14px;
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 10px;
  background: var(--color-teal-dark); color: #fff;
}
.badge.badge-pink { background: var(--color-pink-dark); }
.badge.badge-soldout { background: #888; }
.product-info { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-type { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--color-text-soft); }
.product-name { font-size: 17px; }
.product-meta { font-size: 12.5px; color: var(--color-text-soft); }
.product-price-row { margin-top: auto; display: flex; align-items: baseline; justify-content: space-between; padding-top: 8px; border-top: 1px dashed var(--color-line); }
.product-price { font-size: 20px; font-family: "Noto Serif TC", serif; color: var(--color-text); }
.product-price small { font-size: 12px; font-family: "Noto Sans TC", sans-serif; color: var(--color-text-soft); }
.unit-price { font-size: 12px; color: var(--color-teal-dark); background: rgba(77,124,133,.08); padding: 3px 8px; border-radius: 999px; }
.product-actions { display: flex; align-items: center; gap: 10px; margin-top: 6px; }
.qty-stepper { display: flex; align-items: center; border: 1px solid var(--color-line); }
.qty-stepper button { width: 30px; height: 34px; background: transparent; border: none; font-size: 15px; }
.qty-stepper button:hover { background: var(--color-bg-alt); }
.qty-stepper input { width: 34px; text-align: center; border: none; background: transparent; font-size: 13px; }
.add-btn {
  flex: 1;
  background: var(--color-teal-dark);
  color: #fff;
  border: none;
  padding: 10px 12px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform .4s var(--ease), background .3s;
}
.add-btn:hover { transform: scale(1.03); background: var(--color-teal); }
.add-btn[disabled] { background: #ccc; pointer-events: none; }
.soldout-note { font-size: 12.5px; color: var(--color-danger); }

/* ---------------- Size guide ---------------- */
.guide { background: var(--color-bg-alt); }
.guide-image { border: 1px solid var(--color-line); box-shadow: var(--shadow-soft); }

/* ---------------- FAQ ---------------- */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-q {
  width: 100%; background: none; border: none; text-align: left;
  padding: 22px 4px; font-size: 15.5px; display: flex; justify-content: space-between; align-items: center;
  color: var(--color-text);
}
.faq-q .plus { transition: transform .4s var(--ease); font-size: 18px; color: var(--color-teal-dark); }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .45s var(--ease); color: var(--color-text-soft); font-size: 14px; }
.faq-a-inner { padding: 0 4px 22px; }

/* ---------------- Footer ---------------- */
footer.site-footer { background: var(--color-teal-dark); color: #e9e4d8; padding: 72px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid h5 { color: #fff; font-size: 13px; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 18px; font-family: "Noto Sans TC"; }
.footer-grid p, .footer-grid li { font-size: 13.5px; color: #cfd8d4; line-height: 2; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { margin-top: 50px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.15); font-size: 12px; color: #a9bcb8; text-align: center; }

/* ---------------- Notice Modal (first visit) ---------------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(20, 22, 20, 0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; visibility: hidden;
  transition: opacity .35s var(--ease);
}
.modal-overlay.show { opacity: 1; visibility: visible; }
.modal-card {
  background: var(--color-surface);
  max-width: 520px; width: 100%;
  max-height: 84vh; overflow-y: auto;
  padding: 40px 36px 32px;
  position: relative;
  transform: translateY(18px) scale(.97);
  transition: transform .4s var(--ease);
  border: 1px solid var(--color-line);
}
.modal-overlay.show .modal-card { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute; top: 16px; right: 16px; z-index: 1;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--color-line); background: none;
  font-size: 16px; transition: transform .35s var(--ease);
}
.modal-close:hover { transform: rotate(90deg); background: var(--color-bg-alt); }
.modal-card h3 { font-size: 20px; margin-bottom: 4px; position: relative; z-index: 1; }
.modal-card .eyebrow { display:block; margin-bottom: 6px; position: relative; z-index: 1; }
.modal-card ol, .modal-card ul { padding-left: 20px; color: var(--color-text-soft); font-size: 13.5px; position: relative; z-index: 1; }
.modal-card li { margin-bottom: 10px; }
.modal-actions { margin-top: 24px; display: flex; justify-content: flex-end; gap: 12px; position: relative; z-index: 1; }
.modal-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 280px;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
}

/* ---------------- Cart Drawer ---------------- */
.cart-overlay {
  position: fixed; inset: 0; z-index: 210;
  background: rgba(20,22,20,.5);
  opacity: 0; visibility: hidden; transition: opacity .35s;
}
.cart-overlay.show { opacity: 1; visibility: visible; }
.cart-drawer {
  position: fixed; top: 0; right: 0; height: 100%;
  width: min(420px, 92vw);
  background: var(--color-surface);
  z-index: 211;
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform .45s var(--ease);
  box-shadow: -20px 0 50px rgba(0,0,0,.15);
}
.cart-drawer.show { transform: translateX(0); }
.cart-head { padding: 24px 26px; border-bottom: 1px solid var(--color-line); display: flex; align-items: center; justify-content: space-between; }
.cart-items { flex: 1; overflow-y: auto; padding: 10px 26px; }
.cart-line { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--color-line); }
.cart-line img { width: 66px; height: 66px; object-fit: contain; background: var(--color-bg); border: 1px solid var(--color-line); }
.cart-line-info { flex: 1; }
.cart-line-name { font-size: 14px; }
.cart-line-price { font-size: 12.5px; color: var(--color-text-soft); margin-top: 2px; }
.cart-line-remove { font-size: 12px; color: var(--color-danger); background: none; border: none; margin-top: 6px; text-decoration: underline; }
.cart-empty { text-align: center; color: var(--color-text-soft); padding: 60px 10px; font-size: 13.5px; }
.cart-foot { padding: 22px 26px 28px; border-top: 1px solid var(--color-line); }
.cart-subtotal { display: flex; justify-content: space-between; font-size: 15px; margin-bottom: 16px; }

/* ---------------- Checkout page ---------------- */
.checkout-wrap { padding: 56px 0 110px; }
.checkout-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: flex-start; }
.checkout-panel { background: var(--color-surface); border: 1px solid var(--color-line); padding: 32px; }
.checkout-panel + .checkout-panel { margin-top: 24px; }
.checkout-panel h3 { font-size: 16px; margin-bottom: 18px; letter-spacing: .06em; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-field label { font-size: 12.5px; color: var(--color-text-soft); letter-spacing: .04em; }
.form-field input, .form-field textarea {
  border: 1px solid var(--color-line); padding: 12px 14px; font-size: 14px;
  background: var(--color-bg); font-family: inherit;
}
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--color-teal-dark); }
.pay-options { display: grid; gap: 14px; }
.pay-option {
  border: 1px solid var(--color-line); padding: 16px 18px; display: flex; gap: 14px; align-items: flex-start;
  cursor: pointer; transition: border-color .3s, background .3s;
}
.pay-option:hover { border-color: var(--color-teal-dark); }
.pay-option.active { border-color: var(--color-teal-dark); background: rgba(77,124,133,.06); }
.pay-option input { margin-top: 3px; }
.pay-option .title { font-size: 14.5px; }
.pay-option .desc { font-size: 12.5px; color: var(--color-text-soft); margin-top: 3px; }
.pay-option .fee { font-size: 12px; color: var(--color-pink-dark); margin-top: 4px; }
.pay-option-disabled { cursor: not-allowed; opacity: 0.55; background: var(--color-bg-alt); }
.pay-option-disabled:hover { border-color: var(--color-line); }
.coming-soon {
  display: inline-block;
  margin-left: 8px;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--color-pink-dark);
  border: 1px solid var(--color-pink-dark);
  border-radius: 999px;
  padding: 1px 8px;
  vertical-align: middle;
}
.cod-sub-options {
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--color-line);
}
.pay-option.active .cod-sub-options { display: flex; }
.cod-sub-option {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s;
}
.cod-sub-option:hover { border-color: var(--color-teal-dark); }
.cod-sub-option:has(input:checked) { border-color: var(--color-teal-dark); background: rgba(77, 124, 133, 0.08); color: var(--color-teal-dark); }
.cod-sub-option input { margin: 0; }
.cod-sub-option small { display: block; font-size: 10.5px; color: var(--color-pink-dark); }
.summary-line { display: flex; justify-content: space-between; font-size: 14px; padding: 10px 0; border-bottom: 1px dashed var(--color-line); }
.summary-line.total { border-bottom: none; padding-top: 16px; font-size: 18px; font-family: "Noto Serif TC", serif; }
.summary-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--color-line); }
.summary-item img { width: 58px; height: 58px; object-fit: contain; background: var(--color-bg); border: 1px solid var(--color-line); }
.summary-item .n { font-size: 13.5px; }
.summary-item .m { font-size: 12px; color: var(--color-text-soft); }

/* ---------------- Responsive ---------------- */
@media (max-width: 1000px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; row-gap: 30px; }
  .checkout-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  nav.main-nav { display: none; }
  .menu-toggle { display: flex; }
  .trust-strip .container { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(3) { border-left: none; }
  .product-grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   貓爪殘影 — 不論桌面版（滑鼠移動）或手機版（觸控滑動），
   都隨機出現橘貓／白貓爪，沿著游標／觸控軌跡漸現漸隱地
   留下足跡。不受螢幕寬度限制，桌面與手機版都一致呈現。
   ============================================================ */
.paw-trail-layer {
  position: fixed;
  inset: 0;
  z-index: 150;
  pointer-events: none;
  overflow: hidden;
}
.paw {
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 30px;
  opacity: 0;
  animation: pawFade 0.9s ease-out forwards;
}
.paw svg { width: 100%; height: 100%; display: block; filter: drop-shadow(0 3px 5px rgba(36, 33, 29, 0.16)); }

@keyframes pawFade {
  0% { opacity: 0; transform: translate(-50%, -50%) rotate(var(--rot, 0deg)) scale(0.35); }
  18% { opacity: 0.92; transform: translate(-50%, -50%) rotate(var(--rot, 0deg)) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) rotate(var(--rot, 0deg)) scale(1.18); }
}

/* ============================================================
   滾動淡入 — 區塊進入視窗時緩緩浮現（main.js 的 IntersectionObserver 驅動）
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

.product-grid [data-reveal]:nth-child(1) { transition-delay: 0s; }
.product-grid [data-reveal]:nth-child(2) { transition-delay: 0.08s; }
.product-grid [data-reveal]:nth-child(3) { transition-delay: 0.16s; }
.product-grid [data-reveal]:nth-child(4) { transition-delay: 0.24s; }
.advantage-list li[data-reveal]:nth-child(1) { transition-delay: 0s; }
.advantage-list li[data-reveal]:nth-child(2) { transition-delay: 0.1s; }
.advantage-list li[data-reveal]:nth-child(3) { transition-delay: 0.2s; }

/* ---------------- 加入購物車：飛入動畫 + 購物車圖示彈跳 ---------------- */
@keyframes cartBump {
  0% { transform: scale(1) rotate(0deg); }
  30% { transform: scale(1.25) rotate(-8deg); }
  55% { transform: scale(0.92) rotate(6deg); }
  100% { transform: scale(1) rotate(0deg); }
}
.icon-btn.bump { animation: cartBump 0.42s ease; }

/* ---------------- 溫暖照護小語輪播 ---------------- */
.care-quote { text-align: center; padding: 46px 24px; background: var(--color-bg-alt); }
.care-quote-text {
  display: inline-block;
  font-family: "Noto Serif TC", serif;
  font-size: clamp(16px, 2.2vw, 22px);
  color: var(--color-teal-dark);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.care-quote-text.show { opacity: 1; transform: none; }
.care-quote-text::before { content: "“"; }
.care-quote-text::after { content: "”"; }

/* ---------------- 回到頂端：貓爪按鈕 ---------------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 160;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), border-color 0.3s;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}
.back-to-top svg { width: 100%; height: 100%; display: block; }
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px) rotate(-10deg); border-color: var(--color-teal-dark); }

@media (max-width: 720px) {
  .back-to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
}

/* ============================================================
   送出訂單防呆裝置 — 拖曳橘貓走到白貓身邊才會真正送出訂單，
   取代單純點擊，避免手滑誤觸
   ============================================================ */
.confirm-slider { outline: none; }
.confirm-slider-track {
  position: relative;
  height: 56px;
  border-radius: 999px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
  transition: background 0.3s, border-color 0.3s;
}
.confirm-slider-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 56px;
  background: linear-gradient(90deg, rgba(226, 146, 74, 0.14), rgba(226, 146, 74, 0.32));
}
.confirm-slider-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--color-text-soft);
  pointer-events: none;
  padding: 0 60px;
  text-align: center;
}
.confirm-slider-goal {
  position: absolute;
  right: 8px;
  top: 50%;
  width: 34px;
  height: 34px;
  transform: translateY(-50%);
  opacity: 0.7;
  pointer-events: none;
}
.confirm-slider-goal svg { width: 100%; height: 100%; display: block; }
.confirm-slider-handle {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  cursor: grab;
  box-shadow: var(--shadow-soft);
  touch-action: none;
  z-index: 2;
}
.confirm-slider-handle svg { width: 100%; height: 100%; display: block; }
.confirm-slider-handle.dragging { cursor: grabbing; }
.confirm-slider.confirmed .confirm-slider-track { background: rgba(77, 124, 133, 0.14); border-color: var(--color-teal-dark); }
.confirm-slider.confirmed .confirm-slider-label { color: var(--color-teal-dark); }
.confirm-slider.confirmed .confirm-slider-goal { opacity: 1; }
.confirm-slider.processing .confirm-slider-handle { pointer-events: none; opacity: 0.75; }
.confirm-slider:focus-visible .confirm-slider-track { border-color: var(--color-teal-dark); }

.confirm-paw {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  transform: translate(-50%, -50%);
  opacity: 0.6;
  pointer-events: none;
  animation: confirmPawFade 0.9s ease-out forwards;
}
.confirm-paw svg { width: 100%; height: 100%; display: block; }
@keyframes confirmPawFade {
  0% { opacity: 0.55; transform: translate(-50%, -50%) scale(0.75); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.25); }
}