/* 产品中心二级分类 - product_ejcenter.html (设计基准 1920px) */

:root {
  --pc-ej-primary: #14126f;
  --pc-ej-accent: #1bb8ce;
  --pc-ej-text: #333333;
  --pc-ej-text-muted: #666666;
  --pc-ej-text-light: #999999;
  --pc-ej-font-hero: clamp(32px, 3.125vw, 60px);
  --pc-ej-font-section: clamp(24px, 2.083vw, 40px);
  --pc-ej-font-card: clamp(15px, 0.9375vw, 18px);
}

.site-main--pc-ej {
  min-height: auto;
}

/* ========== Hero ========== */

.pc-ej-hero {
  position: relative;
  min-height: clamp(320px, 33.854vw, 650px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #1a2a3a;
}

.pc-ej-hero__bg {
  position: absolute;
  inset: 0;
}

.pc-ej-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.pc-ej-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(10, 26, 74, 0.55) 0%,
    rgba(10, 26, 74, 0.2) 55%,
    rgba(10, 26, 74, 0.05) 100%
  );
}

.pc-ej-hero__inner {
  position: relative;
  z-index: 1;
  padding: clamp(48px, 5.208vw, 100px) 0;
}

.pc-ej-hero__title {
  margin: 0;
  max-width: 12em;
  font-size: var(--pc-ej-font-hero);
  font-weight: 600;
  line-height: 1.2;
  color: #ffffff;
}

.pc-ej-hero__desc {
  margin: clamp(16px, 1.458vw, 28px) 0 0;
  max-width: 28em;
  font-size: clamp(14px, 0.9375vw, 18px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.92);
}

.pc-ej-hero__scroll {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(48px, 3.125vw, 60px);
  height: clamp(48px, 3.125vw, 60px);
  margin-top: clamp(28px, 2.5vw, 48px);
  color: var(--pc-ej-primary);
  background: #ffffff;
  border: none;
  border-radius: 50%;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.pc-ej-hero__scroll:hover {
  transform: translateY(3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14);
}

.pc-ej-hero__scroll-icon {
  display: block;
  width: clamp(14px, 0.885vw, 17px);
  height: clamp(14px, 0.885vw, 17px);
}

/* ========== Breadcrumb ========== */

.pc-ej-intro {
  padding: clamp(32px, 2.917vw, 56px) 0 0;
  background: #ffffff;
}

.pc-ej-breadcrumb {
  margin: 0;
  font-size: clamp(13px, 0.8333vw, 16px);
  line-height: 1.6;
  color: var(--pc-ej-text-light);
}

.pc-ej-breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.pc-ej-breadcrumb a:hover {
  color: var(--pc-ej-accent);
}

.pc-ej-breadcrumb__sep {
  margin: 0 0.35em;
}

/* ========== Listing head ========== */

.pc-ej-listing {
  padding: clamp(32px, 2.917vw, 56px) 0 clamp(64px, 5.729vw, 110px);
  background: #ffffff;
}

.pc-ej-listing__head {
  text-align: center;
}

.pc-ej-listing__title {
  margin: 0;
  font-size: var(--pc-ej-font-section);
  font-weight: 600;
  line-height: 1.3;
  color: var(--pc-ej-text);
}

.pc-ej-listing__filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 1.25vw, 24px);
  margin-top: clamp(24px, 2.083vw, 40px);
}

.pc-ej-filter {
  position: relative;
  min-width: clamp(180px, 14.583vw, 280px);
}

.pc-ej-filter__select {
  width: 100%;
  padding: clamp(12px, 0.9375vw, 18px) clamp(40px, 2.5vw, 48px)
    clamp(12px, 0.9375vw, 18px) clamp(16px, 1.25vw, 24px);
  font: inherit;
  font-size: clamp(14px, 0.8333vw, 16px);
  color: var(--pc-ej-text-muted);
  background-color: rgb(237, 237, 237);
  border: 1px solid rgb(237, 237, 237);
  border-radius: clamp(8px, 0.625vw, 12px);
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right clamp(16px, 1.25vw, 24px) center;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.pc-ej-filter__select:invalid,
.pc-ej-filter__select option[value=""] {
  color: var(--pc-ej-text-muted);
}

.pc-ej-filter__select option:not([value=""]) {
  color: var(--pc-ej-text);
}

/* ========== Product grid ========== */

.pc-ej-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(24px, 2.083vw, 40px) clamp(20px, 1.667vw, 32px);
  margin-top: clamp(40px, 3.646vw, 70px);
}

.pc-ej-card {
  min-width: 0;
}

.pc-ej-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: transform 0.25s ease;
}

.pc-ej-card__link:hover {
  transform: translateY(-2px);
}

.pc-ej-card__media {
  aspect-ratio: 384 / 408;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #e8e8e8;
}

.pc-ej-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.35s ease;
}

.pc-ej-card__link:hover .pc-ej-card__media img {
  transform: scale(1.03);
}

.pc-ej-card__name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(8px, 0.625vw, 12px);
  margin: clamp(14px, 1.042vw, 20px) 0 0;
  font-size: var(--pc-ej-font-card);
  font-weight: 600;
  line-height: 1.35;
  color: var(--pc-ej-text);
}

.pc-ej-card__name img {
  flex-shrink: 0;
  width: clamp(28px, 1.771vw, 34px);
  height: auto;
}

/* ========== Pagination ========== */

.pc-ej-pagination {
  --pc-ej-pagination-size: clamp(36px, 2.083vw, 40px);
  --pc-ej-pagination-radius: 4px;
  --pc-ej-pagination-border: #dddddd;
  --pc-ej-pagination-gap: clamp(8px, 0.625vw, 12px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-top: clamp(48px, 4.167vw, 80px);
}

.pc-ej-pagination__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--pc-ej-pagination-gap);
}

.pc-ej-pagination__btn,
.pc-ej-pagination__page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-width: var(--pc-ej-pagination-size);
  height: var(--pc-ej-pagination-size);
  padding: 0;
  font: inherit;
  font-size: clamp(14px, 0.8333vw, 16px);
  font-weight: 500;
  line-height: 1;
  color: var(--pc-ej-text-muted);
  background: #ffffff;
  border: 1px solid var(--pc-ej-pagination-border);
  border-radius: var(--pc-ej-pagination-radius);
  cursor: pointer;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.pc-ej-pagination__btn {
  width: var(--pc-ej-pagination-size);
}

.pc-ej-pagination__page:hover:not(.is-active) {
  color: var(--pc-ej-accent);
  border-color: var(--pc-ej-accent);
}

.pc-ej-pagination__btn:hover:not(:disabled) {
  border-color: var(--pc-ej-accent);
}

.pc-ej-pagination__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pc-ej-pagination__icon {
  display: block;
  width: clamp(12px, 0.781vw, 15px);
  height: auto;
}

.pc-ej-pagination__btn--prev .pc-ej-pagination__icon {
  transform: scaleX(-1);
}

.pc-ej-pagination__pages {
  display: flex;
  align-items: center;
  gap: var(--pc-ej-pagination-gap);
}

.pc-ej-pagination__page.is-active {
  font-weight: 600;
  color: #ffffff;
  background: var(--pc-ej-accent);
  border-color: var(--pc-ej-accent);
  cursor: default;
}

.pc-ej-pagination__page.is-active:hover {
  color: #ffffff;
  border-color: var(--pc-ej-accent);
}

.pc-ej-pagination__back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-height: var(--pc-ej-pagination-size);
  padding: 0 clamp(16px, 1.042vw, 20px);
  font-size: clamp(14px, 0.8333vw, 16px);
  font-weight: 500;
  line-height: 1;
  color: var(--pc-ej-text-muted);
  text-decoration: none;
  white-space: nowrap;
  background: #ffffff;
  border: 1px solid var(--pc-ej-pagination-border);
  border-radius: var(--pc-ej-pagination-radius);
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}

.pc-ej-pagination__back:hover {
  color: var(--pc-ej-accent);
  border-color: var(--pc-ej-accent);
}

/* ========== Responsive ========== */

@media (max-width: 1200px) {
  .pc-ej-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .pc-ej-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .pc-ej-hero__overlay {
    background: rgba(10, 26, 74, 0.45);
  }

  .pc-ej-grid {
    grid-template-columns: 1fr;
  }

  .pc-ej-listing__filters {
    flex-direction: column;
    align-items: stretch;
  }

  .pc-ej-filter {
    min-width: 0;
  }

  .pc-ej-pagination__group {
    width: 100%;
  }
}