/* ==========================================================================
   Product list all — V2 (image-overlay cards, 3 per row, thumbnail + title only)
   Loaded AFTER main.css on productlistall2.html. Reuses :root design tokens.
   ========================================================================== */

.pcard2-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.pcard2 {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--c-bg);
  isolation: isolate;
  transition: opacity 0.7s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s ease;
  box-shadow: 0 1.8rem 4.4rem rgba(11, 44, 94, 0);
}

.pcard2 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.pcard2__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 40%, rgba(8, 31, 66, 0.16) 58%, rgba(8, 31, 66, 0.82) 100%);
  transition: background 0.4s ease;
}

.pcard2__name {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2rem 2.2rem;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
}

.pcard2__name::before {
  content: "";
  flex: 0 0 auto;
  width: 0.6rem;
  height: 2.4rem;
  border-radius: 0.3rem;
  background: var(--c-accent);
}

.pcard2__arrow {
  margin-left: auto;
  font-size: 1.8rem;
  line-height: 1;
  opacity: 0;
  transform: translateX(-0.6rem);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.pcard2:hover { transform: translateY(-0.8rem); box-shadow: var(--shadow-lg); }
.pcard2:hover img { transform: scale(1.08); }
.pcard2:hover .pcard2__arrow { opacity: 1; transform: translateX(0); }
.pcard2:hover .pcard2__shade {
  background: linear-gradient(180deg, transparent 34%, rgba(8, 31, 66, 0.28) 56%, rgba(8, 31, 66, 0.9) 100%);
}

@media (max-width: 1024px) {
  .pcard2-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .pcard2-grid { gap: 2rem; }
  .pcard2__name { font-size: 1.5rem; padding: 1.6rem 1.8rem; }
}
@media (max-width: 480px) {
  .pcard2-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Production process flow (per sub-category, above its 3 product cards)
   Light panel: big structure diagram (left) + full material image with a
   caption (right), title floating on a translucent chip over the diagram.
   ========================================================================== */
.flow-sec {
  position: relative;
  margin-bottom: 3rem;
  padding: 3.2rem;
  background: #103F85 url('../img/product/beijing.jpg') center / cover no-repeat;
}

.flow-sec__media {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32%;
  gap: 3rem;
  align-items: center;
}

.flow-sec__head {
  position: absolute;
  top: 1.8rem;
  left: 1.8rem;
  z-index: 2;
}

.flow-sec__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--c-accent);
}
.flow-sec__eyebrow::before {
  content: "";
  width: 2.4rem;
  height: 2px;
  background: var(--c-accent);
}

.flow-sec__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-primary-800);
}

.flow-sec__jgt {
  display: block;
  width: 100%;
  height: auto;
}

.flow-sec__wlt-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
}

.flow-sec__wlt {
  display: block;
  width: 100%;
  height: auto;
}

.flow-sec__wlt-label {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-primary-700);
  text-align: center;
}

@media (max-width: 768px) {
  .flow-sec { margin-bottom: 2.4rem; padding: 2.4rem 1.8rem; display: none; }
  .flow-sec__head { top: 1.2rem; left: 1.2rem; }
  .flow-sec__title { font-size: 2.2rem; }
  .flow-sec__media { gap: 1.8rem; }
  .flow-sec__wlt-label { font-size: 1.2rem; }
}

/* ==========================================================================
   Sub-category heading — left accent bar + divider for a clear block rhythm
   ========================================================================== */
.prod-sub__head {
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 2.6rem;
}
.prod-sub__title {
  position: relative;
  padding-left: 1.8rem;
}
.prod-sub__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0.5rem;
  height: 2.1rem;
  border-radius: 0.3rem;
  background: var(--c-accent);
}