:root {
  --mk-bg: #f5f5f5;
  --mk-surface: #ffffff;
  --mk-ink: #1a1a1a;
  --mk-muted: #8c8c8c;
  --mk-line: #ebebeb;
  --mk-accent: #ff5000;
  --mk-accent-deep: #e04500;
  --mk-promo-a: linear-gradient(135deg, #ff7a18 0%, #ff5000 45%, #ff2d55 100%);
  --mk-promo-b: linear-gradient(135deg, #ff9a3c 0%, #ff6b1a 50%, #ff3d00 100%);
  --mk-promo-c: linear-gradient(135deg, #ffb347 0%, #ff7e00 55%, #ff4d00 100%);
  --mk-radius: 10px;
  --mk-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --mk-font: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--mk-bg);
  color: var(--mk-ink);
  font-family: var(--mk-font);
  font-size: 14px;
  line-height: 1.5;
}

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

button,
input {
  font: inherit;
}

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

.mk-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--mk-surface);
  border-bottom: 1px solid var(--mk-line);
}

.mk-topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
}

.mk-brand {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.15;
  min-width: 0;
}

.mk-brand strong {
  font-size: 18px;
  font-weight: 700;
  color: var(--mk-accent);
}

.mk-brand span {
  font-size: 11px;
  color: var(--mk-muted);
  letter-spacing: 0.02em;
}

.mk-search {
  display: flex;
  align-items: stretch;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  border: 2px solid var(--mk-accent);
  border-radius: 999px;
  overflow: hidden;
  background: #fff;
}

.mk-search input {
  flex: 1;
  border: 0;
  outline: 0;
  padding: 8px 14px;
  min-width: 0;
  background: transparent;
}

.mk-search button {
  border: 0;
  background: var(--mk-accent);
  color: #fff;
  padding: 0 18px;
  font-weight: 600;
  cursor: pointer;
}

.mk-search button:hover {
  background: var(--mk-accent-deep);
}

.mk-top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mk-link {
  color: var(--mk-muted);
  font-size: 13px;
}

.mk-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--mk-line);
  background: #fff;
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
  font-weight: 600;
}

.mk-cart-btn em {
  font-style: normal;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--mk-accent);
  color: #fff;
  font-size: 11px;
  line-height: 18px;
  text-align: center;
}

.mk-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}

.mk-promo {
  position: relative;
  border-radius: var(--mk-radius);
  overflow: hidden;
  background: #222;
  min-height: 180px;
  box-shadow: var(--mk-shadow);
}

.mk-promo-track {
  position: relative;
  min-height: 180px;
}

.mk-promo-slide {
  display: none;
  grid-template-columns: 1.2fr 0.8fr;
  min-height: 180px;
  color: #fff;
}

.mk-promo-slide.is-active {
  display: grid;
}

.mk-promo-copy {
  padding: 28px 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  background: var(--mk-promo-a);
}

.mk-promo-slide:nth-child(2) .mk-promo-copy {
  background: var(--mk-promo-b);
}

.mk-promo-slide:nth-child(3) .mk-promo-copy {
  background: var(--mk-promo-c);
}

.mk-promo-kicker {
  margin: 0;
  font-size: 12px;
  opacity: 0.9;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.mk-promo-copy h1 {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.25;
}

.mk-promo-copy p:last-child {
  margin: 0;
  max-width: 36ch;
  opacity: 0.92;
  font-size: 13px;
}

.mk-promo-visual {
  background:
    radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.35), transparent 45%),
    radial-gradient(circle at 70% 60%, rgba(0, 0, 0, 0.18), transparent 50%),
    linear-gradient(160deg, #ff9a4a, #ff5000);
}

.mk-promo-visual-b {
  background:
    radial-gradient(circle at 60% 30%, rgba(255, 255, 255, 0.3), transparent 40%),
    linear-gradient(160deg, #ffb347, #ff3d00);
}

.mk-promo-visual-c {
  background:
    radial-gradient(circle at 40% 70%, rgba(255, 255, 255, 0.28), transparent 42%),
    linear-gradient(160deg, #ffcc70, #ff4d00);
}

.mk-promo-dots {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}

.mk-promo-dots button {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
}

.mk-promo-dots button.is-active {
  background: #fff;
  width: 16px;
  border-radius: 999px;
}

.mk-cats {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 0 4px;
  scrollbar-width: none;
}

.mk-cats::-webkit-scrollbar {
  display: none;
}

.mk-cats button {
  flex: 0 0 auto;
  border: 1px solid var(--mk-line);
  background: #fff;
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  color: var(--mk-ink);
}

.mk-cats button.is-active {
  border-color: var(--mk-accent);
  color: var(--mk-accent);
  background: #fff5f0;
  font-weight: 600;
}

.mk-shelf {
  margin-top: 10px;
}

.mk-shelf-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.mk-shelf-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.mk-shelf-head p {
  margin: 0;
  color: var(--mk-muted);
  font-size: 12px;
}

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

@media (min-width: 640px) {
  .mk-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 960px) {
  .mk-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.mk-card {
  background: var(--mk-surface);
  border-radius: var(--mk-radius);
  overflow: hidden;
  box-shadow: var(--mk-shadow);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.mk-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.mk-card-media {
  aspect-ratio: 1 / 1;
  background: #f0f0f0;
  overflow: hidden;
}

.mk-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mk-card-body {
  padding: 10px 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.mk-card-title {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.7em;
}

.mk-card-price {
  margin: 0;
  color: var(--mk-accent);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.mk-card-price small {
  font-size: 12px;
  font-weight: 500;
  color: var(--mk-muted);
  text-decoration: line-through;
  margin-left: 6px;
}

.mk-card-actions {
  display: flex;
  gap: 6px;
  margin-top: auto;
}

.mk-card-actions a,
.mk-card-actions button {
  flex: 1;
  text-align: center;
  border-radius: 6px;
  padding: 7px 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.mk-card-actions a {
  border: 1px solid var(--mk-line);
  background: #fff;
  color: var(--mk-ink);
}

.mk-card-actions button {
  border: 0;
  background: var(--mk-accent);
  color: #fff;
}

.mk-card-actions button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.mk-empty {
  text-align: center;
  color: var(--mk-muted);
  padding: 40px 16px;
  background: #fff;
  border-radius: var(--mk-radius);
}

.mk-foot {
  text-align: center;
  color: var(--mk-muted);
  font-size: 12px;
  padding: 8px 16px 28px;
}

.mk-cart {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  justify-content: flex-end;
}

.mk-cart[hidden] {
  display: none;
}

.mk-cart-panel {
  width: min(100%, 380px);
  height: 100%;
  background: #fff;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.12);
}

.mk-cart-head,
.mk-cart-foot {
  padding: 14px 16px;
  border-bottom: 1px solid var(--mk-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mk-cart-foot {
  border-bottom: 0;
  border-top: 1px solid var(--mk-line);
  margin-top: auto;
  flex-direction: column;
  align-items: stretch;
}

.mk-cart-head h2 {
  margin: 0;
  font-size: 16px;
}

.mk-cart-head button {
  border: 0;
  background: transparent;
  color: var(--mk-muted);
  cursor: pointer;
}

.mk-cart-body {
  flex: 1;
  overflow: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mk-cart-line {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
}

.mk-cart-line img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 6px;
  background: #f0f0f0;
}

.mk-cart-line h3 {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 500;
}

.mk-cart-line .mk-line-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--mk-accent);
  font-weight: 700;
}

.mk-qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--mk-line);
  border-radius: 6px;
  overflow: hidden;
}

.mk-qty button {
  width: 28px;
  height: 28px;
  border: 0;
  background: #fafafa;
  cursor: pointer;
}

.mk-qty span {
  min-width: 28px;
  text-align: center;
  font-size: 12px;
}

.mk-cart-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
}

.mk-cart-total strong {
  color: var(--mk-accent);
  font-size: 22px;
}

.mk-checkout {
  display: block;
  text-align: center;
  background: var(--mk-accent);
  color: #fff;
  font-weight: 700;
  border-radius: 8px;
  padding: 12px;
}

.mk-checkout[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

.mk-pdp {
  max-width: 980px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}

.mk-pdp-status {
  text-align: center;
  color: var(--mk-muted);
  padding: 48px 16px;
}

.mk-pdp-layout {
  display: grid;
  gap: 20px;
  background: #fff;
  border-radius: var(--mk-radius);
  padding: 16px;
  box-shadow: var(--mk-shadow);
}

@media (min-width: 800px) {
  .mk-pdp-layout {
    grid-template-columns: 1fr 1fr;
    padding: 20px;
  }
}

.mk-pdp-gallery {
  aspect-ratio: 1 / 1;
  background: #f3f3f3;
  border-radius: 8px;
  overflow: hidden;
}

.mk-pdp-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mk-pdp-info h1 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.mk-pdp-price {
  margin: 0 0 12px;
  color: var(--mk-accent);
  font-size: 28px;
  font-weight: 700;
}

.mk-pdp-desc {
  margin: 0 0 16px;
  color: #555;
  white-space: pre-wrap;
}

.mk-pdp-buy {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.mk-pdp-buy button,
.mk-pdp-buy a {
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
}

.mk-pdp-buy button {
  border: 0;
  background: var(--mk-accent);
  color: #fff;
  flex: 1;
  min-width: 140px;
}

.mk-pdp-buy a {
  border: 1px solid var(--mk-line);
  background: #fff;
  flex: 1;
  min-width: 140px;
}

@media (max-width: 720px) {
  .mk-topbar-inner {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand actions"
      "search search";
  }

  .mk-brand {
    grid-area: brand;
  }

  .mk-top-actions {
    grid-area: actions;
  }

  .mk-search {
    grid-area: search;
    max-width: none;
  }

  .mk-promo-slide.is-active {
    grid-template-columns: 1fr;
  }

  .mk-promo-visual {
    display: none;
  }
}