:root {
  --bg:#fbfdfc;
  --surface:#f0f6f3;
  --mint:#e0f4e9;
  --text:#193d33;
  --text-sub:#60736c;
  --border:#dce7e1;
  --accent:#216c50;
  --accent-ink:#fff;
  --danger:#b13739;
  --radius:16px;
  --radius-lg:28px;
  --pill:100px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei",sans-serif;
  --container:1184px}

* {
  box-sizing:border-box}
body {
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  line-height:1.75;
  -webkit-font-smoothing:antialiased}
a {
  color:inherit;
  text-underline-offset:5px}
img {
  max-width:100%;
  display:block}
button,input,select,textarea {
  font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:4px}
.container {
  max-width:var(--container);
  margin:auto;
  padding:0 32px}
.site-main {
  padding-top:46px;
  padding-bottom:80px;
  min-height:70vh}
.site-header {
  border-bottom:1px solid var(--border)}
.header-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:96px}
.brand {
  display:flex;
  align-items:center;
  gap:11px;
  font-size:25px;
  font-weight:800;
  text-decoration:none;
  line-height:1.2;
  letter-spacing:.08em}
.brand small {
  display:block;
  font-size:9px;
  letter-spacing:.22em;
  margin-top:5px}
.brand-mark {
  display:grid;
  place-items:center;
  width:43px;
  height:43px;
  background:var(--accent);
  color:var(--mint);
  border-radius:14px;
  font-size:34px;
  font-weight:500}
.site-nav {
  display:flex;
  align-items:center;
  gap:26px}
.site-nav a {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  text-decoration:none;
  font-size:14px;
  font-weight:600}
.nav-cart {
  border:1px solid var(--border);
  border-radius:var(--pill);
  padding:0 18px;
  gap:6px}
.cart-count {
  display:inline-grid;
  place-items:center;
  min-width:23px;
  height:23px;
  background:var(--accent);
  color:var(--accent-ink);
  border-radius:var(--pill);
  font-size:12px}
.site-footer {
  border-top:1px solid var(--border);
  padding:30px 0;
  color:var(--text-sub);
  font-size:12px}
.site-footer>.container {
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:center}
.footer-brand {
  font-size:22px;
  font-weight:800;
  color:var(--text)}
.footer-brand span {
  display:block;
  font-size:12px;
  font-weight:400;
  color:var(--text-sub)}
.site-footer p span {
  margin-left:20px}
h1,h2,h3,p {
  overflow-wrap:anywhere}
h1 {
  font-size:42px;
  letter-spacing:-.045em;
  line-height:1.3;
  margin:0 0 22px}
h2 {
  font-size:25px;
  letter-spacing:-.025em;
  margin:0 0 16px;
  line-height:1.4}
h3 {
  font-size:18px}
p {
  margin:0 0 16px}
.eyebrow {
  font-size:11px;
  font-weight:750;
  letter-spacing:.15em;
  color:var(--accent);
  margin:0 0 18px}
.eyebrow>span {
  display:inline-block;
  width:7px;
  height:7px;
  background:var(--accent);
  border-radius:50%;
  margin-right:8px}
.lead {
  font-size:16px;
  color:var(--text-sub);
  max-width:640px}
.page-heading {
  padding:12px 0 20px}
.page-heading .eyebrow {
  margin-bottom:10px}
.section {
  margin:58px 0}
.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:20px;
  margin-bottom:25px}
.section-heading h2 {
  margin:0}
.section-heading .eyebrow {
  margin-bottom:10px}
.text-link {
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
  text-decoration:none}
.hero {
  display:grid;
  grid-template-columns:1.05fr 1fr;
  align-items:center;
  background:var(--mint);
  border-radius:var(--radius-lg);
  padding:48px 44px;
  gap:15px;
  overflow:hidden}
.hero h1 {
  font-size:clamp(32px,3.8vw,48px);
  line-height:1.45;
  letter-spacing:-.055em}
.highlight {
  color:var(--accent)}
.hero .lead {
  max-width:430px;
  font-size:14px;
  line-height:1.9}
.hero-actions {
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:27px}
.hero-note {
  margin:24px 0 0;
  font-size:11px;
  letter-spacing:.06em;
  color:var(--text-sub)}
.hero-visual {
  min-width:0}
.hero-visual img {
  width:100%;
  height:auto}
.visual-label {
  display:block;
  text-align:center;
  font-size:9px;
  letter-spacing:.2em;
  color:var(--accent)}
.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:22px;
  min-height:48px;
  padding:11px 24px;
  border-radius:var(--pill);
  border:1px solid var(--accent);
  font:inherit;
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s}
.btn:hover {
  transform:translateY(-2px)}
.btn-primary {
  background:var(--accent);
  color:var(--accent-ink)}
.btn-secondary {
  background:var(--bg);
  color:var(--text);
  border-color:var(--border)}
.btn-text {
  border:0;
  background:transparent;
  min-height:44px;
  padding:8px;
  text-decoration:underline;
  color:var(--text-sub)}
.steps {
  list-style:none;
  counter-reset:step;
  padding:0;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px}
.steps li {
  counter-increment:step;
  border:1px solid var(--border);
  padding:23px 20px;
  border-radius:var(--radius);
  background:var(--bg)}
.steps li:before {
  content:'0' counter(step);
  display:block;
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  margin-bottom:25px}
.steps strong {
  display:block;
  font-size:16px;
  margin-bottom:8px}
.steps span {
  display:block;
  color:var(--text-sub);
  font-size:13px;
  line-height:1.85}
.empty {
  border:1px dashed var(--border);
  border-radius:var(--radius);
  background:var(--surface);
  color:var(--text-sub);
  text-align:center;
  padding:50px 24px;
  font-size:14px}
.flash {
  background:var(--mint);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px 20px}
.point-list {
  list-style:none;
  padding:0}
.point-list li {
  display:flex;
  flex-direction:column;
  margin-bottom:12px}
.product-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:24px;
  margin-bottom:24px}
.product-card {
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--bg)}
.product-link {
  display:block;
  text-decoration:none;
  padding-bottom:22px}
.product-thumb {
  aspect-ratio:4/3;
  background:var(--surface);
  display:grid;
  place-items:center}
.product-thumb img {
  width:100%;
  height:100%;
  object-fit:contain}
.device-placeholder {
  color:var(--accent);
  font-size:60px;
  opacity:.3}
.product-name,.product-meta,.product-price {
  margin:14px 20px 0}
.product-name {
  font-size:17px}
.product-meta {
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text-sub);
  font-size:12px}
.product-price {
  font-weight:750;
  font-size:20px}
.tag {
  background:var(--mint);
  color:var(--accent);
  border-radius:var(--pill);
  padding:2px 10px}
.product-detail {
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:50px;
  padding:20px 0}
.product-media {
  aspect-ratio:4/3;
  background:var(--surface);
  border-radius:var(--radius-lg);
  overflow:hidden}
.product-media img {
  width:100%;
  height:100%;
  object-fit:contain}
.product-info {
  padding:20px 0}
.product-info .product-price,.product-info .product-meta {
  margin:16px 0}
.product-info .product-price {
  font-size:30px}
.product-desc {
  white-space:pre-line;
  margin:24px 0;
  color:var(--text-sub)}
.sold,.field-error {
  color:var(--danger)}
.filter {
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:30px}
.filter a {
  display:flex;
  align-items:center;
  text-decoration:none;
  min-height:44px;
  padding:6px 20px;
  border:1px solid var(--border);
  border-radius:var(--pill);
  font-size:14px}
.filter a[aria-current=page] {
  background:var(--accent);
  color:var(--accent-ink);
  border-color:var(--accent)}
.form-layout {
  display:grid;
  grid-template-columns:1fr 1.7fr;
  gap:60px;
  align-items:start}
.form-aside {
  background:var(--mint);
  border-radius:var(--radius-lg);
  padding:34px}
.aside-symbol {
  font-size:60px;
  line-height:1.2;
  color:var(--accent);
  display:block;
  margin-bottom:30px}
.form-aside h2 {
  font-size:30px}
.form-aside p,.aside-note {
  font-size:14px;
  color:var(--text-sub)}
.aside-note {
  border-top:1px solid var(--border);
  padding-top:20px;
  margin-top:30px}
.form {
  width:100%;
  max-width:680px;
  display:flex;
  flex-direction:column;
  gap:22px;
  min-width:0}
.form fieldset {
  min-width:0;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:25px;
  background:var(--bg);
  margin:0;
  display:flex;
  flex-direction:column;
  gap:18px}
.form legend {
  font-size:16px;
  font-weight:700;
  padding:0 10px}
.form label {
  display:flex;
  flex-direction:column;
  gap:7px;
  font-size:14px;
  font-weight:500}
.form label.radio,.form label.checkbox {
  flex-direction:row;
  align-items:center;
  gap:10px;
  min-height:44px;
  flex-wrap:wrap}
.form label.radio {
  padding:10px 14px;
  border:1px solid var(--border);
  border-radius:var(--radius)}
.form label.radio:has(:checked) {
  background:var(--mint);
  border-color:var(--accent)}
.form input:not([type=radio]):not([type=checkbox]),.form select,.form textarea {
  font:inherit;
  font-size:16px;
  width:100%;
  min-width:0;
  padding:11px 14px;
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--bg);
  color:var(--text);
  min-height:48px}
.form textarea {
  resize:vertical}
.form input[type=checkbox],.form input[type=radio] {
  accent-color:var(--accent);
  width:19px;
  height:19px;
  flex-shrink:0}
.field-error {
  margin:-10px 0 0;
  font-size:13px}
.checkout-layout {
  display:grid;
  grid-template-columns:1fr 1.5fr;
  gap:55px;
  align-items:start}
.order-summary {
  margin:0;
  background:var(--surface);
  padding:28px;
  border-radius:var(--radius);
  position:sticky;
  top:24px}
.order-lines {
  list-style:none;
  padding:0}
.order-lines li {
  display:flex;
  justify-content:space-between;
  gap:20px;
  border-bottom:1px solid var(--border);
  padding:14px 0;
  font-size:14px}
.order-total {
  font-weight:700;
  text-align:right;
  margin:20px 0 0}
.cart-table {
  width:100%;
  border-collapse:collapse;
  margin:10px 0 30px;
  font-size:14px}
.cart-table th,.cart-table td {
  padding:22px 14px;
  border-bottom:1px solid var(--border);
  text-align:left}
.cart-table thead {
  background:var(--surface);
  color:var(--text-sub);
  font-size:12px}
.cart-table tfoot {
  font-size:18px}
.num {
  text-align:right!important;
  white-space:nowrap}
.doc-no {
  color:var(--accent)}
.skip-link {
  position:fixed;
  top:-100px;
  left:16px;
  padding:10px 20px;
  background:var(--accent);
  color:var(--accent-ink);
  z-index:10}
.skip-link:focus {
  top:12px}

@media(max-width:900px) {
  .hero {
  padding:36px 28px}
.hero h1 {
  font-size:35px}
.steps {
  grid-template-columns:repeat(2,minmax(0,1fr))}
.form-layout {
  gap:28px;
  grid-template-columns:1fr 1.6fr}
.checkout-layout {
  gap:28px}
}

@media(max-width:600px) {
  .container {
  padding:0 20px}
.header-inner {
  min-height:86px;
  gap:10px;
  flex-wrap:wrap;
  padding-top:16px;
  padding-bottom:14px}
.brand {
  font-size:21px}
.brand-mark {
  width:36px;
  height:36px;
  font-size:28px;
  border-radius:11px}
.brand small {
  font-size:8px}
.site-nav {
  width:100%;
  justify-content:space-between;
  gap:8px}
.site-nav a {
  font-size:13px}
.nav-cart {
  padding:0 14px}
.site-main {
  padding-top:24px;
  padding-bottom:50px}
.hero {
  grid-template-columns:1fr;
  padding:30px 24px 24px;
  gap:8px;
  border-radius:22px}
.hero h1 {
  font-size:34px}
.hero .eyebrow {
  font-size:9px;
  letter-spacing:.1em}
.hero .lead {
  font-size:14px}
.hero-actions {
  gap:9px;
  margin-top:22px}
.hero-actions .btn {
  padding:10px 18px;
  font-size:13px;
  gap:16px}
.hero-note {
  font-size:10px;
  margin-top:20px}
.hero-visual {
  max-width:330px;
  margin:auto}
.visual-label {
  font-size:8px}
.section {
  margin:38px 0}
.section-heading {
  align-items:center;
  gap:12px}
.section-heading h2 {
  font-size:21px}
.section-heading .text-link {
  font-size:11px}
.eyebrow {
  font-size:10px}
.steps {
  gap:10px}
.steps li {
  padding:18px 14px}
.steps li:before {
  margin-bottom:19px}
.steps strong {
  font-size:14px}
.steps span {
  font-size:12px}
.page-heading {
  padding-top:10px}
h1 {
  font-size:32px}
h2 {
  font-size:23px}
.form-layout,.checkout-layout,.product-detail {
  grid-template-columns:1fr;
  gap:26px}
.form-aside {
  padding:24px}
.form-aside h2 {
  font-size:24px}
.form-aside h2 br {
  display:none}
.aside-symbol {
  font-size:36px;
  margin-bottom:12px}
.aside-note {
  margin-top:16px;
  padding-top:16px}
.form fieldset {
  padding:20px 16px}
.form {
  gap:20px}
.order-summary {
  position:static;
  padding:22px}
.product-grid {
  grid-template-columns:1fr;
  gap:18px}
.product-detail {
  padding:0}
.product-info {
  padding:0}
.product-info h1 {
  font-size:28px}
.cart-table th,.cart-table td {
  padding:15px 5px}
.cart-table td:first-child {
  width:50%;
  overflow-wrap:anywhere}
.cart-table .btn-text {
  font-size:12px;
  white-space:nowrap;
  padding:8px 3px}
.cart-table tfoot {
  font-size:15px}
.site-footer>.container {
  align-items:start;
  flex-direction:column;
  gap:18px}
.site-footer p {
  margin:0}
.site-footer p span {
  margin-left:10px}
.empty {
  padding:36px 20px}
}

@media(prefers-reduced-motion:reduce) {
  * {
  transition:none!important}
}

/* Keep compact actions usable on touch screens. */
.brand { min-height:44px; }
.btn-text { min-width:44px; }
.form label.checkbox a { display:inline-flex; align-items:center; min-height:44px; }