/* ==========================================================================
   Vaucher Genève — Storefront 组件样式
   设计语言：Cinematic Editorial Minimalism + Tactile Exhibition Framing
   0 圆角 · 色阶分层（不用投影做层次）· 发丝级金属描边
   ========================================================================== */

/* ---------------------------------------------------------------- Reset -- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--ground);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-body-md);
  line-height: var(--lh-body-md);
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior-y: none;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
button {
  background: none;
  border: 0;
  cursor: pointer;
}
::selection {
  background: var(--accent);
  color: var(--ground);
}
:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--ground);
}
::-webkit-scrollbar-thumb {
  background: var(--surface-high);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ------------------------------------------------------------ 排版原子 -- */
.label-caps {
  font-family: var(--font-sans);
  font-size: var(--fs-label-caps);
  line-height: var(--lh-label-caps);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.label-tech {
  font-family: var(--font-sans);
  font-size: var(--fs-label-tech);
  line-height: var(--lh-label-tech);
  font-weight: 500;
  letter-spacing: 0.06em;
}
.spec-numeral {
  font-family: var(--font-display);
  font-size: var(--fs-spec-numeral);
  line-height: var(--lh-spec-numeral);
  font-weight: 400;
  letter-spacing: 0.04em;
}
.display-hero {
  font-family: var(--font-display);
  font-size: var(--fs-display-hero-mobile);
  line-height: var(--lh-display-hero-mobile);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.headline-lg {
  font-family: var(--font-display);
  font-size: var(--fs-headline-lg-mobile);
  line-height: var(--lh-headline-lg-mobile);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.headline-md {
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 34px;
  font-weight: 400;
}
.headline-sm {
  font-family: var(--font-display);
  font-size: var(--fs-headline-sm);
  line-height: var(--lh-headline-sm);
  font-weight: 500;
}
.body-lg {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-body-lg);
  font-weight: 300;
}
.body-sm {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body-sm);
  font-weight: 400;
  letter-spacing: 0.02em;
}
.muted {
  color: var(--text-secondary);
}
.tertiary {
  color: var(--text-tertiary);
}
.accent {
  color: var(--accent);
}
.serif-italic {
  font-style: italic;
}
@media (min-width: 1024px) {
  .display-hero {
    font-size: var(--fs-display-hero);
    line-height: var(--lh-display-hero);
    letter-spacing: -0.02em;
  }
  .headline-lg {
    font-size: var(--fs-headline-lg);
    line-height: var(--lh-headline-lg);
    letter-spacing: -0.015em;
  }
  .headline-md {
    font-size: var(--fs-headline-md);
    line-height: var(--lh-headline-md);
  }
}

/* ---------------------------------------------------------------- 布局 -- */
.shell {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--margin-mobile);
}
@media (min-width: 1024px) {
  .shell {
    padding-inline: var(--margin);
  }
}
main {
  padding-top: 80px;
  min-height: 100vh;
}
.section {
  padding-block: var(--space-lg);
}
@media (min-width: 1024px) {
  .section {
    padding-block: var(--space-xl);
  }
}
.grid-12 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--gutter);
}
@media (min-width: 1024px) {
  .grid-12 {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
}
.span-3 {
  grid-column: span 3;
}
.span-4 {
  grid-column: span 4;
}
.span-5 {
  grid-column: span 5;
}
.span-6 {
  grid-column: span 6;
}
.span-7 {
  grid-column: span 7;
}
.span-9 {
  grid-column: span 9;
}
.span-12 {
  grid-column: span 12;
}
@media (max-width: 1023px) {
  .span-3,
  .span-4,
  .span-5,
  .span-6,
  .span-7,
  .span-9,
  .span-12 {
    grid-column: span 1;
  }
}
.hairline {
  height: 1px;
  width: 100%;
  background: var(--surface-high);
  border: 0;
  margin: 0;
}
.stack-xs > * + * {
  margin-top: var(--space-xs);
}
.stack-sm > * + * {
  margin-top: var(--space-sm);
}
.stack-md > * + * {
  margin-top: var(--space-md);
}
.stack-lg > * + * {
  margin-top: var(--space-lg);
}

/* -------------------------------------------------------------- Header -- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(11, 11, 11, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--accent-soft);
}
.site-header__inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-md);
}
.site-nav a {
  color: var(--text-secondary);
  transition: color 0.2s var(--ease);
  white-space: nowrap;
}
.site-nav a:hover,
.site-nav a[aria-current='page'] {
  color: var(--accent);
}
.wordmark {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.wordmark__name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: color 0.3s var(--ease);
}
.wordmark:hover .wordmark__name {
  color: var(--accent);
}
.wordmark__city {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.header-actions a,
.header-actions button {
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s var(--ease);
  white-space: nowrap;
}
.header-actions a:hover,
.header-actions button:hover {
  color: var(--accent);
}
.cart-count {
  color: var(--accent);
}
.nav-toggle {
  display: inline-flex;
  color: var(--text-secondary);
}
@media (min-width: 1024px) {
  .site-nav {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
}
@media (max-width: 1279px) {
  .header-actions .hide-md {
    display: none;
  }
}
@media (max-width: 639px) {
  .header-actions .hide-sm {
    display: none;
  }
}
/* 移动端抽屉 */
.nav-drawer {
  position: fixed;
  inset: 80px 0 0 0;
  background: var(--ground);
  border-top: 1px solid var(--surface-high);
  z-index: 49;
  padding: var(--space-md) var(--margin-mobile) var(--space-lg);
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
}
.nav-drawer[data-open='true'] {
  display: flex;
}
.nav-drawer a {
  color: var(--text-secondary);
  padding-block: var(--space-sm);
  border-bottom: 1px solid var(--surface-low);
}
.nav-drawer a:hover {
  color: var(--accent);
}

/* -------------------------------------------------------------- 按钮 -- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  letter-spacing: 0.22em;
  border: 1px solid transparent;
  transition: all 0.3s var(--ease);
  text-align: center;
  cursor: pointer;
  border-radius: var(--radius);
}
.btn[disabled],
.btn[aria-disabled='true'] {
  opacity: 0.4;
  pointer-events: none;
}
.btn--primary {
  background: var(--text-primary);
  color: var(--ground);
  border-color: var(--text-primary);
}
.btn--primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ground);
}
.btn--accent {
  background: var(--accent);
  color: var(--ground);
  border-color: var(--accent);
}
.btn--accent:hover {
  background: #cbb68c;
  border-color: #cbb68c;
}
.btn--ghost {
  border-color: var(--surface-high);
  color: var(--text-primary);
}
.btn--ghost:hover {
  border-color: var(--accent);
  background: var(--accent-wash);
}
.btn--block {
  width: 100%;
}
.btn--sm {
  padding: 12px 20px;
  letter-spacing: 0.18em;
}
.btn--lg {
  padding: 18px 40px;
}
.link-accent {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.link-accent:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
}
.link-underline {
  border-bottom: 1px solid var(--surface-high);
  padding-bottom: 6px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.link-underline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* --------------------------------------------------------------- 微标 -- */
.micro-label {
  display: flex;
  align-items: center;
  gap: 12px;
}
.micro-label::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent);
  flex: none;
}
.micro-label--center {
  justify-content: center;
}
.micro-label--center::after {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent);
  flex: none;
}
.eyebrow {
  color: var(--accent);
  letter-spacing: 0.24em;
}

/* ------------------------------------------------------------- 分节头 -- */
.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--surface-high);
}
@media (min-width: 768px) {
  .section-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

/* ---------------------------------------------------------- 商品卡片 -- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--gutter);
}
@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (min-width: 1440px) {
  .product-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.card {
  background: var(--ground);
  border: 1px solid var(--surface-high);
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s var(--ease);
  position: relative;
}
.card:hover {
  border-color: var(--accent-line);
}
.card__media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--surface-low);
}
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.card:hover .card__media img {
  transform: scale(1.05);
}
.card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--ground), transparent 55%);
  pointer-events: none;
}
.card__body {
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
  gap: var(--space-xs);
}
.card__foot {
  padding-top: var(--space-xs);
  border-top: 1px solid var(--surface-high);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
}
.card__cta {
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s var(--ease);
}
.card:hover .card__cta {
  color: var(--accent);
}
.card__desc {
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------------------------------------------------------------- 徽标 -- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--surface-high);
  background: rgba(11, 11, 11, 0.8);
  backdrop-filter: blur(8px);
  color: var(--accent);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.badge--solid {
  background: var(--accent);
  color: var(--ground);
  border-color: var(--accent);
}
.badge--muted {
  color: var(--text-tertiary);
  border-color: var(--surface-high);
}
.badge--danger {
  color: var(--danger);
  border-color: var(--danger-deep);
}
.card__media .badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--surface-high);
  background: var(--surface-low);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}
.chip:hover {
  border-color: var(--accent-line);
  color: var(--text-primary);
}
.chip[aria-pressed='true'] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-wash);
}
.chip__dot {
  width: 5px;
  height: 5px;
  background: var(--accent);
  flex: none;
}

/* ------------------------------------------------------------ 规格矩阵 -- */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.spec-cell {
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
  padding: 12px;
}
.spec-cell__k {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  display: block;
  margin-bottom: 4px;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
}
.spec-table th,
.spec-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--surface-mid);
  vertical-align: top;
}
.spec-table tr:nth-child(odd) {
  background: var(--surface-low);
}
.spec-table th {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  width: 42%;
}

/* -------------------------------------------------------------- 表单 -- */
.field {
  display: block;
}
.field__label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}
.field__hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
  line-height: 1.5;
}
.field__req {
  color: var(--accent);
}
.input,
.select,
.textarea {
  width: 100%;
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
  border-bottom: 1px solid var(--surface-high);
  color: var(--text-primary);
  padding: 14px 16px;
  border-radius: 0;
  transition: border-color 0.2s var(--ease);
  appearance: none;
}
.input::placeholder,
.textarea::placeholder {
  color: var(--text-tertiary);
}
.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.input[aria-invalid='true'],
.select[aria-invalid='true'],
.textarea[aria-invalid='true'] {
  border-color: var(--danger);
}
.textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}
.select {
  background-image: linear-gradient(45deg, transparent 50%, var(--text-tertiary) 50%),
    linear-gradient(135deg, var(--text-tertiary) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 40px;
}
.select option {
  background: var(--surface-mid);
  color: var(--text-primary);
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-md);
}
@media (min-width: 640px) {
  .form-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .form-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.field-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 6px;
  display: none;
}
.field-error[data-show='true'] {
  display: block;
}
.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}
.check input {
  appearance: none;
  width: 14px;
  height: 14px;
  flex: none;
  margin-top: 3px;
  border: 1px solid var(--surface-high);
  background: var(--surface-low);
  position: relative;
  cursor: pointer;
}
.check input:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.check input:checked::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--ground);
  clip-path: polygon(18% 48%, 40% 68%, 82% 26%, 88% 34%, 41% 82%, 12% 55%);
}
.qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--surface-high);
}
.qty button {
  width: 40px;
  height: 44px;
  color: var(--text-secondary);
  font-size: 16px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.qty button:hover {
  color: var(--accent);
  background: var(--surface-low);
}
.qty input {
  width: 52px;
  height: 44px;
  text-align: center;
  background: transparent;
  border: 0;
  border-inline: 1px solid var(--surface-high);
  -moz-appearance: textfield;
}
.qty input::-webkit-outer-spin-button,
.qty input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.file-drop {
  border: 1px dashed var(--surface-high);
  background: var(--surface-low);
  padding: var(--space-md);
  text-align: center;
  transition: border-color 0.2s var(--ease);
  cursor: pointer;
}
.file-drop:hover,
.file-drop[data-drag='true'] {
  border-color: var(--accent);
}
.file-drop__name {
  color: var(--accent);
  margin-top: 8px;
  font-size: 12px;
}

/* ------------------------------------------------------------- 提示条 -- */
.notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--surface-high);
  background: var(--surface-low);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
}
.notice strong {
  color: var(--text-primary);
  font-weight: 600;
}
.notice--accent {
  border-color: var(--accent-line);
  background: var(--accent-wash);
}
.notice--error {
  border-color: var(--danger-deep);
  color: #ffd9d4;
}
.notice__mark {
  color: var(--accent);
  flex: none;
  font-size: 14px;
  line-height: 1.4;
}
.notice--error .notice__mark {
  color: var(--danger);
}

/* ------------------------------------------------------------ 购物车 -- */
.cart-line {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--space-sm);
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--surface-mid);
}
@media (min-width: 768px) {
  .cart-line {
    grid-template-columns: 120px 1fr auto;
    gap: var(--space-md);
    align-items: start;
  }
}
.cart-line__media {
  aspect-ratio: 4 / 5;
  background: var(--surface-low);
  overflow: hidden;
  border: 1px solid var(--surface-high);
}
.cart-line__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cart-line__custom {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 8px;
  line-height: 1.6;
}
.cart-line__custom b {
  color: var(--text-secondary);
  font-weight: 500;
}
.summary-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: 10px;
}
.summary-row--total {
  border-top: 1px solid var(--surface-high);
  margin-top: var(--space-xs);
  padding-top: var(--space-sm);
}
.panel {
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
  padding: var(--space-md);
}
@media (min-width: 1024px) {
  .panel {
    padding: var(--space-md) var(--space-md);
  }
}
.sticky-panel {
  position: static;
}
@media (min-width: 1024px) {
  .sticky-panel {
    position: sticky;
    top: 104px;
  }
}

/* ---------------------------------------------------------- 状态展示 -- */
.skeleton {
  background: linear-gradient(90deg, var(--surface-low) 25%, var(--surface-mid) 37%, var(--surface-low) 63%);
  background-size: 400% 100%;
  animation: sk 1.4s ease infinite;
}
@keyframes sk {
  0% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0 50%;
  }
}
.empty-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  border: 1px solid var(--surface-high);
  background: var(--surface-low);
}
.spinner {
  width: 16px;
  height: 16px;
  border: 1px solid var(--accent-soft);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
[data-loading='true'] .btn__idle {
  display: none;
}
.btn__busy {
  display: none;
}
[data-loading='true'] .btn__busy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ------------------------------------------------------------- Toast -- */
.toast-host {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: min(380px, calc(100vw - 48px));
}
.toast {
  background: var(--surface-mid);
  border: 1px solid var(--accent-line);
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
  animation: toast-in 0.3s var(--ease);
}
.toast--error {
  border-color: var(--danger-deep);
}
.toast__k {
  display: block;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}
.toast--error .toast__k {
  color: var(--danger);
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

/* ------------------------------------------------------------ 弹层 -- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}
.modal[data-open='true'] {
  display: flex;
}
.modal__box {
  background: var(--surface-mid);
  border: 1px solid var(--accent-line);
  width: 100%;
  max-width: 520px;
  padding: var(--space-md);
  max-height: 88vh;
  overflow: auto;
}

/* --------------------------------------------------------------- 图片 -- */
.frame {
  position: relative;
  overflow: hidden;
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
}
.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.frame--16x10 {
  aspect-ratio: 16 / 10;
}
.frame--4x5 {
  aspect-ratio: 4 / 5;
}
.frame--3x4 {
  aspect-ratio: 3 / 4;
}
.frame--1x1 {
  aspect-ratio: 1 / 1;
}
.frame--scrim::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--ground) 2%, transparent 60%);
  pointer-events: none;
}
.stamp {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(11, 11, 11, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--surface-high);
  z-index: 2;
}
.stamp--br {
  bottom: 20px;
  right: 20px;
}
.stamp--tl {
  top: 20px;
  left: 20px;
}
.stamp__dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  flex: none;
  animation: pulse 2s var(--ease) infinite;
}
@keyframes pulse {
  50% {
    opacity: 0.35;
  }
}
.stamp__k {
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
}
.stamp__v {
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

/* ------------------------------------------------------------ 商品详情 -- */
.pdp {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-lg);
}
@media (min-width: 1024px) {
  .pdp {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-xl);
    align-items: start;
  }
}
.gallery__main {
  aspect-ratio: 4 / 5;
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
  overflow: hidden;
}
.gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery__thumbs {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.gallery__thumb {
  width: 84px;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--surface-high);
  background: var(--surface-low);
  overflow: hidden;
  padding: 0;
  transition: border-color 0.2s var(--ease);
}
.gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery__thumb[aria-current='true'],
.gallery__thumb:hover {
  border-color: var(--accent);
}
.price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.price-now {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.price-was {
  font-size: 14px;
  color: var(--text-tertiary);
  text-decoration: line-through;
}

/* -------------------------------------------------------------- 页脚 -- */
.site-footer {
  background: var(--ground);
  border-top: 1px solid var(--surface-high);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--gutter);
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--surface-high);
}
@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    padding-block: var(--space-xl);
  }
}
.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-list li + li {
  margin-top: var(--space-xs);
}
.footer-list a {
  color: var(--text-secondary);
  font-size: var(--fs-body-sm);
  transition: color 0.15s var(--ease);
}
.footer-list a:hover {
  color: var(--accent);
}
.footer-bottom {
  padding-block: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}
.footer-bottom a:hover {
  color: var(--text-secondary);
}
.footer-cities {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ------------------------------------------------------------ 工具类 -- */
.flex {
  display: flex;
}
.between {
  justify-content: space-between;
}
.center {
  align-items: center;
}
.wrap {
  flex-wrap: wrap;
}
.gap-xs {
  gap: var(--space-xs);
}
.gap-sm {
  gap: var(--space-sm);
}
.gap-md {
  gap: var(--space-md);
}
.gap-lg {
  gap: var(--space-lg);
}
.mt-sm {
  margin-top: var(--space-sm);
}
.mt-md {
  margin-top: var(--space-md);
}
.mt-lg {
  margin-top: var(--space-lg);
}
.mt-xl {
  margin-top: var(--space-xl);
}
.pt-md {
  padding-top: var(--space-md);
}
.pt-lg {
  padding-top: var(--space-lg);
}
.hide-mobile {
  display: none;
}
@media (min-width: 768px) {
  .hide-mobile {
    display: initial;
  }
}
.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}
.full {
  width: 100%;
}
.max-prose {
  max-width: 62ch;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
}
.pagination__info {
  color: var(--text-tertiary);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-bottom: var(--space-md);
}
@media (min-width: 1024px) {
  .toolbar {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}
.chip-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.chip-row::-webkit-scrollbar {
  display: none;
}

/* ============================================================ 首页专用 -- */
.hero {
  position: relative;
  width: 100%;
  background: var(--ground);
  border-bottom: 1px solid var(--surface-high);
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 620px;
}
@media (min-width: 1024px) {
  .hero {
    min-height: 820px;
  }
}
.hero__glow {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 850px;
  height: 850px;
  background: radial-gradient(circle, rgba(183, 162, 122, 0.09), transparent 68%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  align-items: center;
  padding-block: var(--space-lg);
}
@media (min-width: 1024px) {
  .hero__inner {
    padding-block: var(--space-xl);
  }
}
.hero__copy {
  display: flex;
  flex-direction: column;
}
.hero__media {
  margin-top: var(--space-md);
}
@media (min-width: 1024px) {
  .hero__media {
    margin-top: 0;
  }
}
.hero__frame {
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.9);
}
.hero__frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 11, 11, 0.85), transparent 55%),
    linear-gradient(to right, rgba(11, 11, 11, 0.55), transparent 60%);
  z-index: 1;
  pointer-events: none;
}
.hero__ribbon {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-md);
  flex-wrap: wrap;
}
.hero__ribbon-sep {
  width: 1px;
  height: 32px;
  background: var(--surface-high);
}
.pillar {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--surface-low);
  border: 1px solid var(--surface-high);
}

/* 影片分节 */
.film {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.film__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.film:hover .film__bg {
  opacity: 0.45;
  transform: scale(1.05);
}
.film__scrim {
  position: absolute;
  inset: 0;
  background: rgba(11, 11, 11, 0.7);
  backdrop-filter: blur(2px);
}
.film__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-md);
}
.film__play {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--surface-high);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  transition: all 0.3s var(--ease);
}
.film__play:hover {
  background: var(--accent);
  color: var(--ground);
  transform: scale(1.08);
}
.film__ping {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid var(--accent-hairline);
  animation: ping 2s var(--ease) infinite;
  pointer-events: none;
}
@keyframes ping {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.12);
    opacity: 0;
  }
}
.film__coord {
  position: absolute;
  bottom: 16px;
  left: 24px;
  z-index: 2;
  display: none;
}
@media (min-width: 640px) {
  .film__coord {
    display: block;
  }
}

/* 收尾 CTA */
.closing {
  position: relative;
  background: var(--ground);
  overflow: hidden;
  text-align: center;
}
.closing__halo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(183, 162, 122, 0.08), transparent 70%);
  pointer-events: none;
}

/* 主推版面（monograph spread） */
.spread__frame {
  box-shadow: 0 40px 80px -48px rgba(0, 0, 0, 0.95);
}
.spread__frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 11, 11, 0.75), transparent 55%);
  pointer-events: none;
}
.spread__media {
  margin-bottom: var(--space-md);
}
.spread__text {
  display: flex;
  flex-direction: column;
}
@media (min-width: 1024px) {
  .spread__media {
    margin-bottom: 0;
  }
  .spread--reverse .spread__media {
    order: 2;
  }
  .spread--reverse .spread__text {
    order: 1;
    padding-right: var(--space-md);
  }
}

/* ------------------------------------------------- 定制表单：单选/复选 -- */
/* 设计规范：Radio = 14px 直角方框，选中时内部填充实心方块 */
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.radio {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--surface-high);
  background: var(--surface-low);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
  font-size: 13px;
  color: var(--text-secondary);
}
.radio:hover {
  border-color: var(--accent-line);
  color: var(--text-primary);
}
.radio input {
  appearance: none;
  width: 14px;
  height: 14px;
  flex: none;
  margin: 0;
  border: 1px solid var(--surface-high);
  background: var(--ground);
  position: relative;
  cursor: pointer;
}
.radio input:checked {
  border-color: var(--accent);
}
.radio input:checked::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--accent);
}
.radio:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-wash);
  color: var(--text-primary);
}
.radio input[aria-invalid='true'] {
  border-color: var(--danger);
}
.radio__label {
  letter-spacing: 0.02em;
}