/* Shop showcase — cover-led archive for a short product line-up.
   Loaded only when 商城页面布局 = 展示模式; the catalogue grid keeps its own
   styles in shop-product.css. Tokens come from style.css, no new fonts. */

.tk-showcase {
  padding: 0 0 96px;
  background: var(--canvas);
}

/* Hero */

.tk-showcase-hero {
  max-width: 1320px;
  margin: 0 auto;
  padding: 56px 32px 64px;
  text-align: left;
}

.tk-showcase-hero .tk-shop-breadcrumb {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 28px;
}

.tk-showcase-hero .tk-shop-breadcrumb a {
  color: var(--ink-soft);
  text-decoration: none;
}

.tk-showcase-hero .tk-shop-breadcrumb a:hover {
  color: var(--blue);
}

.tk-showcase-hero .tk-shop-breadcrumb span {
  margin: 0 6px;
}

.tk-showcase-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0 0 18px;
}

.tk-showcase-hero h1 {
  font-family: var(--display);
  font-size: clamp(38px, 5.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0;
  max-width: 16ch;
}

.tk-showcase-lede {
  margin: 22px 0 32px;
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* Product cards */

.tk-showcase-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

.tk-showcase-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.tk-showcase-card.is-flipped .tk-showcase-cover {
  order: 2;
}

.tk-showcase-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 44, 151, .28);
  box-shadow: 0 26px 60px rgba(20, 27, 52, .14);
}

.tk-showcase-cover {
  position: relative;
  min-height: 460px;
  background: linear-gradient(140deg, #101636 0%, #222c97 100%);
  overflow: hidden;
}

.tk-showcase-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .8s cubic-bezier(.16, .84, .44, 1);
}

.tk-showcase-card:hover .tk-showcase-cover img {
  transform: scale(1.045);
}

.tk-showcase-cover-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: rgba(255, 255, 255, .78);
}

.tk-showcase-index {
  position: absolute;
  top: 22px;
  left: 24px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: #fff;
  background: rgba(20, 27, 52, .55);
  backdrop-filter: blur(6px);
  padding: 6px 12px;
  border-radius: 999px;
}

.tk-showcase-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(28px, 3.4vw, 52px);
}

.tk-showcase-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
}

.tk-showcase-copy h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--ink);
}

.tk-showcase-copy h2 a {
  color: inherit;
  text-decoration: none;
}

.tk-showcase-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.tk-showcase-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1px;
  margin: 4px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.tk-showcase-specs > div {
  background: var(--surface);
  padding: 14px 16px;
}

.tk-showcase-specs dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 6px;
}

.tk-showcase-specs dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}

.tk-showcase-foot {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.tk-showcase-price {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
}

.tk-showcase-price del {
  color: var(--ink-soft);
  font-size: 16px;
  margin-right: 6px;
}

.tk-showcase-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
  transition: transform .3s ease;
}

.tk-showcase-card:hover .tk-showcase-link {
  transform: translateX(4px);
}

/* Full-card click target sits under the copy so real links stay clickable. */
.tk-showcase-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.tk-showcase-copy h2 a {
  position: relative;
  z-index: 2;
}

/* Comparison bar */

.tk-showcase-compare {
  max-width: 1320px;
  margin: 72px auto 0;
  padding: 0 32px;
}

.tk-showcase-compare h2 {
  font-family: var(--display);
  font-size: clamp(24px, 2.6vw, 34px);
  color: var(--ink);
  margin: 0 0 22px;
}

.tk-showcase-compare-table {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.tk-showcase-compare-head,
.tk-showcase-compare-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 22px;
  align-items: baseline;
}

.tk-showcase-compare-head {
  background: var(--ink);
  color: #fff;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.tk-showcase-compare-row + .tk-showcase-compare-row {
  border-top: 1px solid var(--line);
}

.tk-showcase-compare-row span:first-child {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.tk-showcase-compare-row span + span {
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
}

/* Empty state */

.tk-showcase-empty {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 32px 24px;
  text-align: center;
}

.tk-showcase-empty h2 {
  font-family: var(--display);
  font-size: 28px;
  color: var(--ink);
  margin: 0 0 12px;
}

.tk-showcase-empty p {
  color: var(--ink-soft);
  line-height: 1.7;
  margin: 0 0 24px;
}

@media (max-width: 1040px) {
  .tk-showcase-card,
  .tk-showcase-card.is-flipped {
    grid-template-columns: minmax(0, 1fr);
  }

  /* Cover always leads on narrow screens; alternating reads as random there. */
  .tk-showcase-card.is-flipped .tk-showcase-cover {
    order: 0;
  }

  .tk-showcase-cover {
    min-height: 320px;
  }
}

@media (max-width: 760px) {
  .tk-showcase-hero {
    padding: 36px 20px 44px;
  }

  .tk-showcase-list,
  .tk-showcase-compare {
    padding: 0 20px;
  }

  .tk-showcase-cover {
    min-height: 240px;
  }

  .tk-showcase-compare-head,
  .tk-showcase-compare-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    row-gap: 6px;
    padding: 14px 18px;
  }

  .tk-showcase-compare-head span:first-child,
  .tk-showcase-compare-row span:first-child {
    grid-column: 1 / -1;
  }
}