/* ==========================================================================
   石青 SHIQING — Page-level layout
   首页 / 列表 / 详情 / 购物车
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(48px, 7vw, 104px) clamp(32px, 4vw, 56px);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
}

.hero__text { max-width: 30rem; }

.hero__title {
  margin-top: var(--sp-4);
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: var(--tracking-display);
}

.hero__title em {
  font-style: italic;
  color: var(--c-accent);
}

.hero__lede {
  margin-top: var(--sp-5);
  font-size: var(--fs-lead);
  line-height: 1.62;
  color: var(--c-ink-soft);
  max-width: 34rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5);
  margin-top: var(--sp-7);
  padding-top: var(--sp-4);
  box-shadow: inset 0 var(--hairline) 0 var(--c-rule);
  font-size: var(--fs-xs);
  color: var(--c-muted);
}

.hero__meta dt {
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-micro);
  text-transform: uppercase;
  color: var(--c-muted-2);
}

.hero__meta dd {
  margin: var(--sp-1) 0 0;
  color: var(--c-ink);
  font-size: var(--fs-sm);
}

/* 主视觉：一张主图 + 两张辅图，玻璃框包裹，像一张静物棚拍 */
.hero__stage {
  position: relative;
  border-radius: var(--r-card);
  background: var(--glass-fill-soft);
  padding: var(--card-pad);
  min-height: clamp(300px, 40vw, 470px);
  display: grid;
  grid-template-columns: 1.35fr 0.8fr;
  grid-template-rows: 1.1fr 0.9fr;
  gap: var(--sp-2);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}

@supports (backdrop-filter: blur(1px)) {
  .hero__stage { backdrop-filter: blur(12px) saturate(120%); }
}

.hero__stage::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 4;
  border: 1px solid transparent;
  background:
    linear-gradient(150deg, var(--glass-edge) 0%, var(--glass-edge-soft) 42%, transparent 70%)
    border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
          mask-composite: exclude;
}

.hero__shot {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-media);
  background: var(--c-surface-2);
  isolation: isolate;
}

.hero__shot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-zoom) var(--ease-out);
}

.hero__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(160deg, rgb(255 255 255 / 14%), transparent 34%),
    linear-gradient(0deg, rgb(20 18 15 / 28%), transparent 42%);
}

/* 侧图必须跟随网格行高拉伸。子元素是绝对定位的 img，
   如果这里再用 align-self: end，盒子高度会塌成 0。 */
.hero__shot--main { grid-row: span 2; }

/* 极慢的呼吸缩放：只动 transform，且在 reduced-motion 下关闭 */
@media (prefers-reduced-motion: no-preference) {
  .hero__shot img { animation: hero-breathe 28s var(--ease-in-out) infinite alternate; }
  .hero__shot--a img { animation-delay: -6s; }
  .hero__shot--b img { animation-delay: -12s; }
}

@keyframes hero-breathe {
  from { transform: scale(1.02); }
  to   { transform: scale(1.075); }
}

.hero__stage-cap {
  position: absolute;
  left: calc(var(--card-pad) + var(--sp-3));
  bottom: calc(var(--card-pad) + var(--sp-3));
  z-index: 5;
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-micro);
  text-transform: uppercase;
  color: var(--c-ink);
  background: var(--glass-fill-strong);
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--r-inner);
  box-shadow: inset 0 0 0 1px var(--glass-edge-soft);
}

@supports (backdrop-filter: blur(1px)) {
  .hero__stage-cap { backdrop-filter: blur(12px); }
}

@media (max-width: 520px) {
  .hero__stage { grid-template-columns: 1fr; grid-template-rows: auto; min-height: 0; }
  .hero__shot--main { grid-row: auto; aspect-ratio: 4 / 5; }
  .hero__shot--a, .hero__shot--b { display: none; }
}

/* --------------------------------------------------------------------------
   Marquee-ish 品牌条（克制：一行字，不做无限滚动）
   -------------------------------------------------------------------------- */
.statement {
  padding-block: clamp(40px, 6vw, 88px);
  text-align: center;
}

.statement blockquote {
  margin: 0 auto;
  max-width: 26ch;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.statement cite {
  display: block;
  margin-top: var(--sp-4);
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-micro);
  text-transform: uppercase;
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   Category grid（借 tenmokus 的「分类 + 数量」信息结构）
   -------------------------------------------------------------------------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: var(--sp-4);
}

.cat-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--card-pad);
  background: var(--glass-fill-strong);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  transition: box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

@supports (backdrop-filter: blur(1px)) {
  .cat-card {
    background: color-mix(in srgb, var(--glass-fill) 88%, transparent);
  }
}

.cat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  border: 1px solid transparent;
  background:
    linear-gradient(150deg, var(--glass-edge) 0%, var(--glass-edge-soft) 40%, transparent 66%)
    border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
          mask-composite: exclude;
}

/* hover 时缩略图轻微推近，卡片抬升 */
.cat-card:hover {
  box-shadow: var(--glass-shadow);
  transform: translateY(-3px);
}

.cat-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

.cat-card:hover .cat-card__thumb img { transform: scale(1.05); }

@media (prefers-reduced-motion: reduce) {
  .cat-card:hover { transform: none; }
  .cat-card:hover .cat-card__thumb img { transform: none; }
}

.cat-card__thumb {
  flex: none;
  width: 76px;
  aspect-ratio: 1;
  border-radius: var(--r-media);
  overflow: hidden;
  background: var(--c-surface-2);
}

/* 卡片主体必须是块级 + min-width:0，否则 nowrap 的副标题会把整张卡撑出网格 */
.cat-card__body {
  display: block;
  flex: 1;
  min-width: 0;
}

.cat-card__name {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  font-size: var(--fs-body);
  font-weight: 500;
  color: var(--c-ink);
}

.cat-card__count {
  font-size: var(--fs-xs);
  color: var(--c-muted);
  font-variant-numeric: tabular-nums;
}

.cat-card__note {
  margin-top: 2px;
  font-size: var(--fs-xs);
  color: var(--c-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Product grid
   -------------------------------------------------------------------------- */
.pgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--sp-5) var(--sp-4);
}

.pgrid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1080px) { .pgrid--4 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 780px)  { .pgrid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px)  { .pgrid, .pgrid--4 { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Collection tiles（借 jeulia 的 Elite Collection 版式）
   -------------------------------------------------------------------------- */
.tiles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-4);
}

@media (max-width: 980px) { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .tiles { grid-template-columns: 1fr; } }

.tile {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;
  border-radius: var(--r-card);
  overflow: hidden;
  text-decoration: none;
  isolation: isolate;
  background: var(--c-surface-2);
}

.tile__bg {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  transition: transform var(--dur-zoom) var(--ease-out);
}

.tile__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tile:hover .tile__bg { transform: scale(1.035); }

@media (prefers-reduced-motion: reduce) {
  .tile:hover .tile__bg { transform: none; }
}

/* 玻璃反光：从左上角压一道柔光，让四张图统一在同一光线下 */
.tile::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(148deg, rgb(255 255 255 / 18%) 0%, transparent 34%),
    linear-gradient(0deg, rgb(12 10 8 / 10%), transparent 40%);
  opacity: 0.9;
  transition: opacity var(--dur-base) var(--ease-out);
}

.tile:hover::after { opacity: 1; }

.tile__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg,
    rgb(12 10 8 / 0%) 22%,
    rgb(12 10 8 / 34%) 52%,
    rgb(12 10 8 / 66%) 76%,
    rgb(12 10 8 / 82%) 100%);
}

.tile__body {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 3;
  padding: var(--sp-5) var(--sp-4) var(--sp-4);
  color: #f7f4ec;
}

.tile__eyebrow {
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-micro);
  text-transform: uppercase;
  opacity: 0.72;
}

.tile__name {
  margin-top: var(--sp-1);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  line-height: 1.16;
  color: #fff;
}

.tile__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgb(255 255 255 / 46%);
  padding-bottom: 2px;
}

.tile:hover .tile__cta { border-bottom-color: #fff; }

/* --------------------------------------------------------------------------
   Bundle（借 tenmokus 的组合装，但去掉倒计时式的压迫感）
   -------------------------------------------------------------------------- */
.bundle {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

@media (max-width: 860px) { .bundle { grid-template-columns: 1fr; } }

.bundle__stage {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
  padding: var(--card-pad);
  background: var(--glass-fill-strong);
  border-radius: var(--r-card);
  box-shadow: var(--glass-shadow);
}

@supports (backdrop-filter: blur(1px)) {
  .bundle__stage {
    background: var(--glass-fill);
    backdrop-filter: blur(14px) saturate(120%);
  }
}

.bundle__stage::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  border: 1px solid transparent;
  background:
    linear-gradient(150deg, var(--glass-edge) 0%, var(--glass-edge-soft) 42%, transparent 68%)
    border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
          mask-composite: exclude;
}

.bundle__stage .shot {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-media);
  background: var(--c-surface-2);
  aspect-ratio: 1;
}

.bundle__stage .shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}

.bundle__stage .shot:nth-child(2) { transform: translateY(-6px); }
.bundle__stage .shot:nth-child(3) { transform: translateY(6px); }

.bundle__list {
  margin-top: var(--sp-5);
}

.bundle__row {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  gap: var(--sp-3);
  padding-block: var(--sp-3);
  box-shadow: inset 0 var(--hairline) 0 var(--c-rule);
  font-size: var(--fs-sm);
}

.bundle__row:last-child { box-shadow: inset 0 var(--hairline) 0 var(--c-rule), inset 0 calc(var(--hairline) * -1) 0 var(--c-rule); }

.bundle__check {
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  font-size: 10px;
  font-weight: 700;
}

.bundle__price {
  font-variant-numeric: tabular-nums;
  color: var(--c-muted);
}

.bundle__total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-top: var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--c-muted);
}

.bundle__total strong {
  font-size: var(--fs-h2);
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Editorial（制作工艺）
   -------------------------------------------------------------------------- */
.editorial {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

@media (max-width: 860px) { .editorial { grid-template-columns: 1fr; } }

.steps {
  counter-reset: step;
  display: grid;
  gap: var(--sp-5);
}

.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--sp-3);
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--c-accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}

.step h4 { margin-bottom: var(--sp-1); }

.step p { font-size: var(--fs-sm); color: var(--c-muted); margin: 0; }

.editorial__media {
  position: relative;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--glass-fill-strong);
  box-shadow: var(--glass-shadow);
  padding: var(--card-pad);
}

.editorial__media .shot {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-media);
  aspect-ratio: 4 / 5;
  background: var(--c-surface-2);
}

.editorial__media .shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1200ms var(--ease-out);
}

.editorial__media:hover .shot img { transform: scale(1.03); }

@media (prefers-reduced-motion: reduce) {
  .editorial__media:hover .shot img { transform: none; }
}

/* --------------------------------------------------------------------------
   Trust band
   -------------------------------------------------------------------------- */
.trust {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-4);
  padding-block: var(--sp-6);
  box-shadow: inset 0 var(--hairline) 0 var(--c-rule),
              inset 0 calc(var(--hairline) * -1) 0 var(--c-rule);
}

@media (max-width: 780px) { .trust { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-5) var(--sp-4); } }

.trust__item {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  min-width: 0;
}

.trust__item > div { min-width: 0; }

.trust__icon {
  flex: none;
  width: 26px;
  height: 26px;
  color: var(--c-accent);
}

.trust__item h4 { font-size: var(--fs-sm); font-weight: 500; }

.trust__item p {
  margin: 2px 0 0;
  font-size: var(--fs-xs);
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--sp-7);
}

@media (max-width: 780px) { .faq-grid { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   Journal
   -------------------------------------------------------------------------- */
.jgrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-5);
}

@media (max-width: 860px) { .jgrid { grid-template-columns: 1fr; } }

.jcard {
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: var(--glass-fill-strong);
  border-radius: var(--r-card);
  padding: var(--card-pad);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

@supports (backdrop-filter: blur(1px)) {
  .jcard {
    background: color-mix(in srgb, var(--glass-fill) 88%, transparent);
  }
}

.jcard::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  border: 1px solid transparent;
  background:
    linear-gradient(150deg, var(--glass-edge) 0%, var(--glass-edge-soft) 40%, transparent 66%)
    border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
          mask-composite: exclude;
}

.jcard:hover { box-shadow: var(--glass-shadow); transform: translateY(-3px); }

@media (prefers-reduced-motion: reduce) {
  .jcard:hover { transform: none; }
}

.jcard__media {
  aspect-ratio: 16 / 10;
  border-radius: var(--r-media);
  overflow: hidden;
  background: var(--c-surface-2);
}

.jcard__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-zoom) var(--ease-out);
}

.jcard:hover .jcard__media img { transform: scale(1.06); }

@media (prefers-reduced-motion: reduce) {
  .jcard:hover .jcard__media img { transform: none; }
}

.jcard__body { padding: var(--sp-4) var(--sp-1) var(--sp-1); }

.jcard__meta {
  display: flex;
  gap: var(--sp-2);
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-micro);
  text-transform: uppercase;
  color: var(--c-muted);
}

.jcard__title {
  margin-top: var(--sp-2);
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.24;
  color: var(--c-ink);
}

.jcard__excerpt {
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   Gallery strip
   -------------------------------------------------------------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--sp-2);
}

@media (max-width: 860px) { .gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.gallery__cell {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-media);
  overflow: hidden;
  background: var(--c-surface-2);
}

.gallery__cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 900ms var(--ease-out), filter var(--dur-base) var(--ease-out);
}

.gallery__cell:hover img { transform: scale(1.05); }

.gallery__cell::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(150deg, rgb(255 255 255 / 12%), transparent 38%);
}

@media (prefers-reduced-motion: reduce) {
  .gallery__cell:hover img { transform: none; }
}

/* --------------------------------------------------------------------------
   Newsletter
   -------------------------------------------------------------------------- */
.newsletter {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  padding: clamp(28px, 4vw, 48px);
  background: var(--glass-fill-strong);
  border-radius: var(--r-card);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
}

@supports (backdrop-filter: blur(1px)) {
  .newsletter {
    background: var(--glass-fill);
    backdrop-filter: blur(var(--glass-blur)) saturate(122%);
  }
}

/* 玻璃内部的一道流动光带：只有在这个大面板上开启，避免全站开销 */
.newsletter::before {
  content: "";
  position: absolute;
  inset: -40% -10%;
  pointer-events: none;
  background:
    radial-gradient(38% 46% at 18% 24%, rgb(255 255 255 / 26%), transparent 62%),
    radial-gradient(30% 40% at 82% 78%, var(--c-accent-soft), transparent 66%);
  opacity: 0.7;
  animation: glass-flow 22s var(--ease-in-out) infinite alternate;
}

@keyframes glass-flow {
  from { transform: translate3d(-3%, -2%, 0) rotate(-2deg); }
  to   { transform: translate3d(3%, 2%, 0) rotate(2deg); }
}

.newsletter > * { position: relative; z-index: 1; }

@media (prefers-reduced-motion: reduce) {
  .newsletter::before { animation: none; }
}

@media (max-width: 780px) { .newsletter { grid-template-columns: 1fr; } }

.newsletter__hint {
  margin-top: var(--sp-2);
  font-size: var(--fs-xs);
  color: var(--c-muted);
}

/* --------------------------------------------------------------------------
   Collection page
   -------------------------------------------------------------------------- */
.collection-layout {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: var(--sp-7);
  align-items: start;
  padding-bottom: var(--sp-9);
}

@media (max-width: 960px) {
  .collection-layout { grid-template-columns: 1fr; gap: var(--sp-5); }
}

.filters {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-4));
  display: grid;
  gap: var(--sp-6);
}

@media (max-width: 960px) {
  .filters {
    position: static;
    gap: var(--sp-4);
  }
}

.filter-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.filter-group__reset {
  font-size: var(--fs-xs);
  color: var(--c-accent);
  text-decoration: none;
}

.filter-group__reset:hover { text-decoration: underline; }

.filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

@media (max-width: 960px) {
  .filter-list { flex-wrap: nowrap; overflow-x: auto; padding-bottom: var(--sp-2); }
}

/* 价格区间：两个 range 叠放，只作为示意，不做复杂双滑块 */
.range-row {
  display: grid;
  gap: var(--sp-2);
}

.range-row output {
  font-size: var(--fs-xs);
  color: var(--c-muted);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--c-accent);
  cursor: pointer;
  min-height: 28px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
  padding-bottom: var(--sp-4);
  margin-bottom: var(--sp-5);
  box-shadow: inset 0 calc(var(--hairline) * -1) 0 var(--c-rule);
}

.toolbar__count {
  font-size: var(--fs-sm);
  color: var(--c-muted);
  font-variant-numeric: tabular-nums;
}

.select {
  min-height: 40px;
  padding: 0 var(--sp-5) 0 var(--sp-3);
  background-color: var(--glass-fill-strong);
  border: var(--hairline) solid var(--c-rule-strong);
  border-radius: var(--r-inner);
  font-size: var(--fs-sm);
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(-45deg, transparent 50%, currentColor 50%);
  background-position:
    right 18px center,
    right 12px center;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

@supports (backdrop-filter: blur(1px)) {
  .select { backdrop-filter: blur(10px); }
}

.select:hover { box-shadow: var(--glass-shadow); }

.load-more-wrap {
  display: grid;
  place-items: center;
  gap: var(--sp-3);
  padding-top: var(--sp-7);
}

.load-more-wrap__hint {
  font-size: var(--fs-xs);
  color: var(--c-muted);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Product detail
   -------------------------------------------------------------------------- */
.pdp {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
  padding-bottom: var(--sp-8);
}

@media (max-width: 900px) { .pdp { grid-template-columns: 1fr; } }

.pdp__gallery {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-4));
  display: grid;
  gap: var(--sp-3);
}

@media (max-width: 900px) { .pdp__gallery { position: static; } }

.pdp__main {
  position: relative;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--glass-fill-strong);
  box-shadow: var(--glass-shadow);
  padding: var(--card-pad);
}

@supports (backdrop-filter: blur(1px)) {
  .pdp__main {
    background: var(--glass-fill);
    backdrop-filter: blur(14px) saturate(120%);
  }
}

.pdp__main .shot {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-media);
  aspect-ratio: 4 / 5;
  background: var(--c-surface-2);
}

.pdp__main .shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 切换釉面照片时的交叉淡入 */
.pdp__main .shot.is-swapping img {
  animation: media-reveal 420ms var(--ease-out) both;
}

.pdp__thumbs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-2);
}

.pdp__thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-media);
  overflow: hidden;
  background: var(--c-surface-2);
  cursor: pointer;
  transition: box-shadow var(--dur-fast) var(--ease-out),
              transform var(--dur-micro) var(--ease-spring);
}

.pdp__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-base) var(--ease-out);
}

.pdp__thumb:hover { transform: translateY(-2px); }
.pdp__thumb:hover img { transform: scale(1.06); }

.pdp__thumb[aria-pressed="true"] {
  box-shadow: 0 0 0 2px var(--c-accent);
}

@media (prefers-reduced-motion: reduce) {
  .pdp__thumb:hover { transform: none; }
  .pdp__main .shot.is-swapping img { animation: none; }
}

.pdp__info { display: grid; gap: var(--sp-5); align-content: start; }

.pdp__head { display: grid; gap: var(--sp-2); }

.pdp__title {
  font-size: var(--fs-h1);
  line-height: 1.1;
}

.pdp__price {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  font-size: 1.375rem;
  font-variant-numeric: tabular-nums;
}

.pdp__desc { font-size: var(--fs-sm); color: var(--c-ink-soft); }

.qty {
  display: inline-flex;
  align-items: center;
  border: var(--hairline) solid var(--c-rule-strong);
  border-radius: var(--r-inner);
  overflow: hidden;
  height: 44px;
}

.qty__btn {
  width: 40px;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--c-ink-soft);
  font-size: 1rem;
  transition: background-color var(--dur-fast) var(--ease-out);
}

.qty__btn:hover { background: var(--c-surface-2); }

.qty__input {
  width: 44px;
  height: 100%;
  border: 0;
  background: transparent;
  text-align: center;
  font-variant-numeric: tabular-nums;
  -moz-appearance: textfield;
}

.qty__input::-webkit-outer-spin-button,
.qty__input::-webkit-inner-spin-button { appearance: none; margin: 0; }

.pdp__buy {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
  flex-wrap: wrap;
}

.pdp__buy .btn { flex: 1; min-width: 180px; }

/* 文件名：主名可缩，扩展名单独一段不缩 —— 省略号在扩展名之前 */
.file-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  max-width: 100%;
  font-size: var(--fs-sm);
}

.file-row__name {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.file-row__ext { flex: none; color: var(--c-muted); }

/* --------------------------------------------------------------------------
   Splitter（对照视图）
   护栏：最小宽、Esc 复位、双击回最近合法值、拖动覆盖层、收起后可恢复
   -------------------------------------------------------------------------- */
.split {
  --split-a: 50%;
  --split-h: 16px;
  --split-min-a: 220px;
  --split-min-b: 180px;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, var(--split-a)) var(--split-h) minmax(0, 1fr);
  gap: 0;
  min-height: 360px;
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--glass-fill-strong);
  box-shadow: var(--glass-shadow);
  padding: var(--card-pad);
}

@supports (backdrop-filter: blur(1px)) {
  .split {
    background: var(--glass-fill);
    backdrop-filter: blur(14px) saturate(120%);
  }
}

.split__pane {
  position: relative;
  min-width: 0;
  border-radius: var(--r-media);
  overflow: hidden;
  background: var(--c-surface-2);
  display: grid;
  place-items: center;
}

.split__pane img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}

.split__label {
  position: absolute;
  top: var(--sp-2);
  left: var(--sp-3);
  z-index: 3;
  padding: 3px var(--sp-2);
  border-radius: var(--r-pill);
  background: var(--glass-fill-strong);
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-micro);
  text-transform: uppercase;
  color: var(--c-ink);
}

@supports (backdrop-filter: blur(1px)) {
  .split__label { backdrop-filter: blur(10px); }
}

.split__handle {
  position: relative;
  z-index: 4;               /* 高于两侧 pane，玻璃抓手才能压在图上 */
  cursor: col-resize;
  display: grid;
  place-items: center;
  touch-action: none;
}

/* 竖线 */
.split__handle::before {
  content: "";
  position: absolute;
  top: 18%;
  bottom: 18%;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  border-radius: var(--r-pill);
  background: var(--c-rule-strong);
  transition: background-color var(--dur-fast) var(--ease-out),
              top var(--dur-fast) var(--ease-out),
              bottom var(--dur-fast) var(--ease-out);
}

/* 玻璃抓手：拖动时变亮并轻微放大 */
.split__handle::after {
  content: "";
  position: absolute;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--glass-fill-strong);
  box-shadow:
    inset 0 1px 0 var(--glass-hi),
    0 4px 14px -6px rgb(25 23 19 / 40%);
  border: 1px solid var(--glass-edge);
  transition: transform var(--dur-pop) var(--ease-spring),
              box-shadow var(--dur-fast) var(--ease-out);
}

@supports (backdrop-filter: blur(1px)) {
  .split__handle::after { backdrop-filter: blur(12px) saturate(130%); }
}

.split__handle:hover::before,
.split__handle:focus-visible::before {
  top: 12%;
  bottom: 12%;
  background: var(--c-accent);
}

.split__handle:hover::after,
.split__handle:focus-visible::after {
  transform: scale(1.12);
  box-shadow:
    inset 0 1px 0 var(--glass-hi),
    0 0 0 4px color-mix(in srgb, var(--c-accent) 18%, transparent),
    0 6px 18px -8px rgb(25 23 19 / 46%);
}

.split[data-dragging="true"] .split__handle::after {
  transform: scale(1.2);
  border-color: var(--c-accent);
}

/* 拖动期间的透明覆盖层：压住两侧内容，阻止误点与误选 */
.split__guard {
  position: absolute;
  inset: 0;
  z-index: 5;
  opacity: 0;
  pointer-events: none;
  cursor: col-resize;
  background: transparent;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.split[data-dragging="true"] .split__guard {
  opacity: 1;
  pointer-events: auto;
}

.split[data-dragging="true"] { user-select: none; }

.split--collapsed .split__pane--b { display: none; }
.split--collapsed { grid-template-columns: minmax(0, 1fr) 0 0; }

.split__restore {
  position: absolute;
  right: calc(var(--card-pad) + var(--sp-2));
  bottom: calc(var(--card-pad) + var(--sp-2));
  z-index: 6;
  display: none;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-inner);
  background: var(--c-ink);
  color: var(--c-paper);
  font-size: var(--fs-xs);
}

.split--collapsed .split__restore { display: inline-flex; }

.split__hint {
  margin-top: var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--c-muted);
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

kbd {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--c-surface-2);
  box-shadow: inset 0 0 0 1px var(--c-rule-strong);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  color: var(--c-ink-soft);
}

/* --------------------------------------------------------------------------
   Cart page
   -------------------------------------------------------------------------- */
.cart-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.8fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  padding-bottom: var(--sp-9);
}

@media (max-width: 900px) { .cart-layout { grid-template-columns: 1fr; } }

.cart-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto auto;
  gap: var(--sp-4);
  align-items: center;
  padding-block: var(--sp-5);
  box-shadow: inset 0 var(--hairline) 0 var(--c-rule);
}

.cart-row:last-child { box-shadow: inset 0 var(--hairline) 0 var(--c-rule), inset 0 calc(var(--hairline) * -1) 0 var(--c-rule); }

@media (max-width: 620px) {
  .cart-row {
    grid-template-columns: 64px minmax(0, 1fr) auto;
    grid-template-areas:
      "media info end"
      "media qty  end";
    row-gap: var(--sp-3);
  }
  .cart-row__media { grid-area: media; }
  .cart-row__info { grid-area: info; }
  .cart-row__qty { grid-area: qty; }
  .cart-row__end { grid-area: end; }
}

.cart-row__media {
  width: 88px;
  aspect-ratio: 1;
  border-radius: var(--r-media);
  overflow: hidden;
  background: var(--c-surface-2);
}

@media (max-width: 620px) { .cart-row__media { width: 64px; } }

.cart-row__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-row__info { min-width: 0; }

.cart-row__name {
  font-size: var(--fs-body);
  font-weight: 500;
  margin-bottom: 2px;
}

.cart-row__meta {
  font-size: var(--fs-xs);
  color: var(--c-muted);
}

.cart-row__end {
  display: grid;
  gap: var(--sp-1);
  justify-items: end;
  align-content: center;
}

.cart-row__price {
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-body);
  white-space: nowrap;
}

.cart-row__remove {
  font-size: var(--fs-xs);
  color: var(--c-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.cart-row__remove:hover { color: var(--c-clay); text-decoration: underline; }

.summary {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-4));
  display: grid;
  gap: var(--sp-4);
  padding: var(--card-pad);
  background: var(--glass-fill-strong);
  border-radius: var(--r-card);
  box-shadow: var(--glass-shadow);
}

@supports (backdrop-filter: blur(1px)) {
  .summary {
    background: color-mix(in srgb, var(--glass-fill-panel) 94%, transparent);
    backdrop-filter: blur(var(--glass-blur)) saturate(120%);
  }
}

@media (max-width: 900px) { .summary { position: static; } }

.summary__inner { padding: var(--sp-3) var(--sp-2) var(--sp-2); }

.summary__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-block: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--c-muted);
  font-variant-numeric: tabular-nums;
}

.summary__row--total {
  margin-top: var(--sp-2);
  padding-top: var(--sp-4);
  box-shadow: inset 0 var(--hairline) 0 var(--c-rule);
  font-size: var(--fs-body);
  color: var(--c-ink);
}

.summary__row--total strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}

.ship-progress {
  display: grid;
  gap: var(--sp-2);
  padding: var(--sp-3);
  border-radius: var(--r-inner);
  background: var(--c-surface-2);
  font-size: var(--fs-xs);
  color: var(--c-ink-soft);
}

.ship-progress__track {
  height: 4px;
  border-radius: var(--r-pill);
  background: var(--c-rule);
  overflow: hidden;
}

.ship-progress__bar {
  height: 100%;
  border-radius: var(--r-pill);
  background: var(--c-accent);
  transition: width var(--dur-base) var(--ease-out);
}

/* --------------------------------------------------------------------------
   Sticky add-to-cart bar (mobile PDP)
   -------------------------------------------------------------------------- */
.buy-bar {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-3) var(--gutter) calc(var(--sp-3) + env(safe-area-inset-bottom));
  background: var(--glass-fill-panel);
  box-shadow: inset 0 var(--hairline) 0 var(--glass-edge), 0 -12px 32px -24px rgb(25 23 19 / 40%);
}

@supports (backdrop-filter: blur(1px)) {
  .buy-bar {
    background: color-mix(in srgb, var(--glass-fill-panel) 94%, transparent);
    backdrop-filter: blur(var(--glass-blur-strong)) saturate(126%);
  }
}

@media (max-width: 900px) { .buy-bar { display: flex; } }

/* 筛选侧栏：桌面端做成玻璃面板，移动端退回无容器（避免小屏堆叠模糊层） */
@media (min-width: 961px) {
  .filters {
    padding: var(--card-pad);
    border-radius: var(--r-card);
    background: var(--glass-fill-soft);
    box-shadow: var(--glass-shadow);
  }

  @supports (backdrop-filter: blur(1px)) {
    .filters {
      background: var(--glass-fill-soft);
      backdrop-filter: blur(12px) saturate(116%);
    }
  }
}

/* 筛选结果变化时的进出场 */
.pgrid > .pcard { animation: fade-slide-in var(--dur-pop) var(--ease-silk) both; }

@media (prefers-reduced-motion: reduce) {
  .pgrid > .pcard { animation: none; }
}