:root {
  color-scheme: light;
  --font-main: Optima, "Source Han Sans SC", "Source Han Sans CN", "Noto Sans CJK SC", "Noto Sans SC", "思源黑体", "Microsoft YaHei", sans-serif;
  --ink: #151515;
  --muted: #6f6b64;
  --line: #ded9d0;
  --paper: #f7f4ee;
  --white: #fffdf8;
  --accent: #9b7a45;
  --charcoal: #23211f;
  --shadow: 0 24px 70px rgba(20, 18, 15, .14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--ink);
  background: var(--paper);
}

button, input, textarea, select { font: inherit; }

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

.shell { min-height: 100vh; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(222, 217, 208, .78);
  background: rgba(247, 244, 238, .88);
  backdrop-filter: blur(16px);
}

.brand {
  display: grid;
  gap: 5px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.brand-logo {
  width: 400px;
  max-width: 48vw;
  height: auto;
}

.brand span {
  font-family: var(--font-main);
  font-size: 19px;
}

.brand small {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .18em;
}

.top-nav {
  display: flex;
  gap: clamp(14px, 3vw, 36px);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.icon-button, .filter-toggle, .text-button, .close-button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.icon-button {
  position: relative;
  min-width: 54px;
  min-height: 38px;
  border: 1px solid var(--line);
  background: var(--white);
  letter-spacing: .08em;
  text-transform: uppercase;
  line-height: 1.1;
}

.cart-dot {
  position: absolute;
  top: -9px;
  right: -9px;
  display: grid;
  place-items: center;
  min-width: 24px;
  min-height: 24px;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--white);
  font-size: 12px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(320px, 1.12fr);
  min-height: calc(100vh - 72px);
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  align-self: center;
  padding: clamp(32px, 7vw, 96px);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.hero-eyebrow {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
  color: #c99d7f;
  font-size: 36px;
  letter-spacing: .08em;
  line-height: 1.08;
}

.hero-eyebrow span {
  color: #c99d7f;
}

h1, h2, h3, p { margin-top: 0; }

h1, h2 {
  font-family: var(--font-main);
  font-weight: 400;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(52px, 7vw, 98px);
  line-height: .94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1;
}

h1 span,
h2 span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--font-main);
  font-size: .38em;
  line-height: 1.2;
}

.hero-text {
  max-width: 480px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.55;
}

.hero-text.en {
  font-size: clamp(15px, 1.45vw, 18px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--charcoal);
  cursor: pointer;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
}

.button.dark { background: var(--charcoal); color: var(--white); }
.button.light { background: transparent; color: var(--charcoal); }
.button.full { width: 100%; }

.hero-image {
  min-height: 540px;
  background: #ded8cf;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  mix-blend-mode: multiply;
}

.toolbar, .selection, .admin-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(34px, 6vw, 78px) clamp(18px, 4vw, 56px);
}

.filter-toggle {
  display: none;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  background: var(--white);
}

.catalog-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  padding: 0 clamp(18px, 4vw, 56px) 78px;
}

.filters {
  position: sticky;
  top: 92px;
  align-self: start;
  display: grid;
  gap: 28px;
  padding: 26px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, .72);
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--white);
  color: var(--ink);
}

input, select { min-height: 42px; padding: 0 12px; }
textarea { padding: 12px; resize: vertical; }

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.check-grid, .chip-grid, .swatch-grid { display: flex; flex-wrap: wrap; gap: 8px; }

.filter-chip {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
  color: var(--muted);
}

.filter-chip.active {
  border-color: var(--charcoal);
  background: var(--charcoal);
  color: var(--white);
}

.swatch {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
}

.swatch::before {
  content: "";
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, .18);
  background: var(--swatch-color);
}

.swatch.active { border-color: var(--charcoal); color: var(--ink); }

.text-button {
  justify-self: start;
  padding: 0;
  border-bottom: 1px solid currentColor;
  color: var(--muted);
}

.results-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 18px;
}

.product-card { text-align: left; }

.product-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: #ded8cf;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform .55s ease;
}

.product-card:hover .product-media img { transform: scale(1.045); }

.view-button {
  position: absolute;
  inset: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.add-button {
  position: absolute;
  right: 10px;
  bottom: 10px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, .72);
  background: rgba(35, 33, 31, .88);
  color: var(--white);
  cursor: pointer;
  font-size: 12px;
}

.product-info {
  display: grid;
  gap: 7px;
  padding: 14px 0 0;
}

.product-info h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 10px;
  color: var(--muted);
  font-size: 12px;
}

.selection {
  align-items: start;
  border-top: 1px solid var(--line);
}

.site-footer {
  display: grid;
  gap: 10px;
  justify-items: center;
  padding: clamp(44px, 7vw, 88px) 18px;
  border-top: 1px solid var(--line);
  background: var(--charcoal);
  color: var(--white);
  text-align: center;
}

.site-footer .eyebrow {
  margin-bottom: 4px;
  color: #c99d7f;
}

.site-footer h2 {
  font-size: clamp(34px, 5vw, 64px);
}

.site-footer a {
  color: rgba(255, 253, 248, .78);
  font-size: clamp(18px, 2vw, 28px);
  line-height: 1.35;
}

.site-footer a:nth-of-type(2) {
  color: #c99d7f;
}

.request-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: min(760px, 100%);
}

.request-form label:nth-child(1),
.request-form label:nth-child(8),
.request-form button { grid-column: 1 / -1; }

.request-form button:disabled {
  cursor: wait;
  opacity: .72;
}

.request-image-result {
  display: grid;
  gap: 16px;
  grid-column: 1 / -1;
  margin-top: 6px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.request-image-result p {
  margin: 0;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.request-image-result img {
  width: min(760px, 100%);
  border: 1px solid var(--line);
  background: var(--white);
}

.request-image-result .button {
  justify-self: start;
}

.request-download-status {
  color: var(--muted);
  font-size: 13px;
}

.cart {
  position: fixed;
  inset: 0 0 0 auto;
  z-index: 40;
  display: flex;
  flex-direction: column;
  width: min(420px, 100vw);
  padding: 22px;
  border-left: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
  transform: translateX(105%);
  transition: transform .32s ease;
}

.cart.open { transform: translateX(0); }

.cart-backdrop {
  position: fixed;
  inset: 0;
  z-index: 39;
  background: rgba(247, 244, 238, .72);
  opacity: 0;
  pointer-events: none;
  transition: opacity .32s ease;
}

.cart-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.cart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.cart-head-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.clear-cart-button {
  display: grid;
  gap: 2px;
  justify-items: center;
  min-width: 72px;
  line-height: 1.15;
}

.clear-cart-button small {
  color: inherit;
  font-size: 11px;
  letter-spacing: .04em;
  text-transform: none;
}

.close-button {
  width: 38px;
  height: 38px;
  font-size: 28px;
  line-height: 1;
}

.cart-items {
  display: grid;
  gap: 14px;
  overflow: auto;
  flex: 1;
}

.cart-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 12px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.cart-item img {
  width: 72px;
  height: 92px;
  object-fit: cover;
  object-position: center top;
}

dialog {
  position: fixed;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(940px, calc(100vw - 28px));
  max-height: calc(100dvh - 48px);
  border: 0;
  padding: 0;
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow);
  overflow: auto;
}

dialog::backdrop { background: rgba(20, 18, 15, .48); }

.dialog-product {
  display: grid;
  grid-template-columns: minmax(240px, .9fr) minmax(260px, 1fr);
  gap: 34px;
  padding: 34px;
}

.product-dialog .close-button {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  margin: 0;
  z-index: 3;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(20, 18, 15, .16);
  font-size: 0;
  line-height: 1;
}

.product-dialog .close-button::before,
.product-dialog .close-button::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

.product-dialog .close-button::before { transform: rotate(45deg); }
.product-dialog .close-button::after { transform: rotate(-45deg); }

.dialog-product img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  background: #ded8cf;
}

.detail-list {
  display: grid;
  gap: 14px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  color: var(--muted);
}

.login-dialog { padding: 34px; width: min(440px, calc(100vw - 28px)); }
.login-dialog p { color: var(--muted); }
.login-dialog form { display: grid; gap: 16px; }

.admin-page { padding-bottom: 60px; }
.admin-shell { padding: 0 clamp(18px, 4vw, 56px); }
.admin-intro { padding-left: 0; padding-right: 0; }
.admin-intro p { max-width: 640px; color: var(--muted); line-height: 1.6; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.hidden { display: none !important; }

.auth-shell {
  min-height: calc(100vh - 96px);
  display: grid;
  place-items: center;
  padding: clamp(34px, 6vw, 78px) clamp(18px, 4vw, 56px);
}

.auth-panel {
  width: min(560px, 100%);
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  background: var(--white);
}

.auth-panel h1 {
  margin-bottom: 28px;
  font-size: clamp(42px, 6vw, 82px);
}

.auth-form,
.password-form {
  display: grid;
  gap: 16px;
}

.auth-form .text-button {
  justify-self: center;
  text-align: center;
}

.password-form {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
}

.new-product-form {
  display: grid;
  grid-template-columns: 180px repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
}

.new-product-form label:nth-child(1),
.new-product-form label:nth-child(8),
.new-product-form label:nth-child(9) {
  grid-column: span 2;
}

.new-product-form button {
  grid-column: 1 / -1;
}

.upload-preview {
  width: 180px;
  height: 240px;
  border: 1px solid var(--line);
  background: #ded8cf;
  overflow: hidden;
}

.upload-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.upload-preview img:not([src]) {
  display: none;
}

.form-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.settings-card {
  margin-bottom: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--white);
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.admin-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--white);
}

.admin-card img {
  width: 180px;
  height: 240px;
  object-fit: cover;
  object-position: center top;
  background: #ded8cf;
}

.admin-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.admin-fields label:nth-child(2),
.admin-fields label:nth-child(7),
.admin-fields label:nth-child(8) { grid-column: 1 / -1; }

.admin-fields .danger-button {
  grid-column: 1 / -1;
  border-color: #8a2b2b;
  color: #8a2b2b;
}

@media (max-width: 1050px) {
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .admin-grid { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .site-header { min-height: 64px; }
  .brand-logo { width: 280px; max-width: 58vw; }
  .top-nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding-top: 44px; padding-bottom: 38px; }
  .hero-image { min-height: 56vh; }
  .filter-toggle { display: inline-flex; align-items: center; }
  .toolbar, .selection, .admin-intro { align-items: start; flex-direction: column; }
  .catalog-layout { grid-template-columns: 1fr; }
  .filters { display: none; position: static; }
  .filters.open { display: grid; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 12px; }
  .request-form { grid-template-columns: 1fr; }
  .dialog-product { grid-template-columns: 1fr; padding: 22px; }
  .admin-card { grid-template-columns: 1fr; }
  .admin-card img { width: 100%; height: auto; aspect-ratio: 3 / 4; }
  .admin-fields { grid-template-columns: 1fr; }
  .password-form { grid-template-columns: 1fr; }
  .new-product-form { grid-template-columns: 1fr; }
  .new-product-form label:nth-child(1),
  .new-product-form label:nth-child(8),
  .new-product-form label:nth-child(9) { grid-column: auto; }
}

@media (max-width: 430px) {
  .product-grid { grid-template-columns: 1fr; }
  h1 { font-size: 52px; }
}