.page-products {
  --card-radius: 6px;
  --card-clip-offset: 18px;
  --accent-bar-width: 4px;
  --number-size: 5rem;
  --number-size-tablet: 6.5rem;
  --number-size-desktop: 8rem;
  --card-max-width: 960px;

  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0 1rem 3rem;
  max-width: var(--container-max-width);
  margin: 0 auto;
  background-color: var(--color-white);
  color: var(--color-neutral-dark);
  font-family: var(--font-body);
  line-height: 1.6;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  padding: 1.25rem 0 0;
  font-size: var(--font-size-small);
  color: var(--color-gray-medium);
}

.page-products .breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.page-products .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-products .breadcrumb-sep {
  color: var(--color-gray-light);
  user-select: none;
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--color-neutral-dark);
  font-weight: 500;
}

/* ---------- 标题区 ---------- */
.page-products .services-hero {
  position: relative;
  margin: 1.5rem 0 3.5rem;
  padding: 2rem 1.5rem 2.5rem;
  background-color: var(--color-primary);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.page-products .services-hero-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-products .services-hero-sub {
  max-width: 520px;
  margin: 0;
  font-size: var(--font-size-body);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

.page-products .hero-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--transition-base), text-decoration-color var(--transition-base);
}

.page-products .hero-link:hover {
  color: var(--color-accent-hover);
  text-decoration-color: var(--color-accent-hover);
}

.page-products .hero-accent-line {
  position: absolute;
  right: -30px;
  bottom: 12px;
  width: 140px;
  height: var(--accent-bar-width);
  background-color: var(--color-accent);
  transform: rotate(-18deg);
  border-radius: 2px;
  opacity: 0.7;
}

/* ---------- 服务卡片网格 ---------- */
.page-products .services-grid {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

/* ---------- 单张卡片 ---------- */
.page-products .service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 1.75rem 1.5rem 2rem;
  background-color: var(--color-neutral-light);
  border-radius: var(--card-radius);
  clip-path: polygon(0 0, calc(100% - var(--card-clip-offset)) 0, 100% var(--card-clip-offset), 100% 100%, 0 100%);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
  border: 1px solid transparent;
  will-change: box-shadow;
}

.page-products .service-card:nth-child(even) {
  background-color: var(--color-white);
  border-color: var(--color-gray-light);
}

.page-products .service-card:hover {
  box-shadow: 0 8px 28px rgba(26, 42, 106, 0.12);
  border-color: var(--color-accent);
}

/* 卡片内边距在窄屏上收紧 */
.page-products .service-card {
  padding: 1.5rem 1.25rem 1.75rem;
}

/* ---------- 编号 ---------- */
.page-products .card-number-mono {
  font-family: var(--font-mono);
  font-size: var(--number-size);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  letter-spacing: -0.04em;
  user-select: none;
  transition: transform var(--transition-base), color var(--transition-base);
}

.page-products .service-card:hover .card-number-mono {
  transform: scale(1.04);
  color: var(--color-accent-hover);
}

/* ---------- 卡片主体 ---------- */
.page-products .card-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-products .card-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--font-size-h3);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
}

.page-products .card-desc {
  margin: 0;
  font-size: var(--font-size-body);
  color: var(--color-neutral-dark);
  max-width: 640px;
}

/* ---------- 图片 ---------- */
.page-products .card-figure {
  margin: 0.5rem 0 0;
  width: 100%;
  max-width: 400px;
}

.page-products .card-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  object-fit: cover;
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-gray-light);
}

/* ---------- 展开详情 ---------- */
.page-products .card-details {
  margin-top: 0.25rem;
  border-top: 1px solid var(--color-gray-light);
  padding-top: 0.75rem;
}

.page-products .card-summary {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0;
  transition: color var(--transition-base);
}

.page-products .card-summary::-webkit-details-marker {
  display: none;
}

.page-products .card-summary::before {
  content: "+";
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  transition: transform var(--transition-base);
}

.page-products .card-details[open] .card-summary::before {
  content: "–";
  transform: rotate(0deg);
}

.page-products .card-summary:hover {
  color: var(--color-accent);
}

.page-products .card-details-body {
  padding: 0.75rem 0 0.25rem;
  font-size: var(--font-size-small);
  color: var(--color-gray-medium);
  line-height: 1.7;
}

.page-products .card-details-body p {
  margin: 0 0 0.5rem;
}

.page-products .card-inlink {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  transition: color var(--transition-base);
}

.page-products .card-inlink:hover {
  color: var(--color-accent-hover);
}

/* ---------- 橙色斜线装饰 ---------- */
.page-products .card-accent {
  position: absolute;
  right: 12px;
  top: 12px;
  width: 54px;
  height: var(--accent-bar-width);
  background-color: var(--color-accent);
  transform: rotate(-26deg);
  border-radius: 2px;
  opacity: 0.5;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.page-products .service-card:hover .card-accent {
  opacity: 0.9;
  transform: rotate(-22deg) scaleX(1.1);
}

/* ---------- 底部品牌区 ---------- */
.page-products .services-footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 4rem;
  padding: 2rem 0 0.5rem;
  border-top: 1px solid var(--color-gray-light);
}

.page-products .brand-icon {
  display: block;
  width: 72px;
  height: auto;
  border-radius: 50%;
  background-color: var(--color-neutral-light);
  border: 2px solid var(--color-primary);
  object-fit: cover;
}

.page-products .services-footer-text {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--color-gray-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ========== 平板端 (≥600px) ========== */
@media (min-width: 600px) {
  .page-products {
    padding: 0 2rem 4rem;
  }

  .page-products .breadcrumb {
    padding-top: 1.75rem;
    font-size: 0.9rem;
  }

  .page-products .services-hero {
    padding: 3rem 2.5rem 3rem;
    margin: 2rem 0 4.5rem;
    border-radius: 8px;
  }

  .page-products .services-hero-title {
    font-size: 3rem;
  }

  .page-products .services-hero-sub {
    font-size: 1.1rem;
    max-width: 600px;
  }

  .page-products .hero-accent-line {
    width: 180px;
    right: -20px;
    bottom: 20px;
  }

  .page-products .service-card {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 2rem 2.25rem 2.25rem;
    clip-path: polygon(0 0, calc(100% - var(--card-clip-offset)) 0, 100% var(--card-clip-offset), 100% 100%, 0 100%);
  }

  .page-products .card-number-mono {
    flex: 0 0 5.5rem;
    font-size: var(--number-size-tablet);
    margin-bottom: 0;
    margin-right: 1.5rem;
    align-self: flex-start;
  }

  .page-products .card-body {
    flex: 1 1 0;
    min-width: 240px;
  }

  .page-products .card-figure {
    max-width: 340px;
  }

  .page-products .card-accent {
    right: 18px;
    top: 18px;
    width: 64px;
  }

  .page-products .services-grid {
    gap: 4rem;
  }

  .page-products .services-footer-brand {
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 5rem;
  }

  .page-products .brand-icon {
    width: 80px;
  }
}

/* ========== 桌面端 (≥960px) ========== */
@media (min-width: 960px) {
  .page-products {
    padding: 0 2.5rem 5rem;
  }

  .page-products .services-hero {
    padding: 4rem 3.5rem 3.5rem;
    margin: 2.5rem 0 5rem;
  }

  .page-products .services-hero-title {
    font-size: 3.75rem;
  }

  .page-products .services-hero-sub {
    font-size: 1.2rem;
    max-width: 680px;
  }

  .page-products .hero-accent-line {
    width: 220px;
    right: -10px;
    bottom: 28px;
    height: 5px;
  }

  .page-products .service-card {
    padding: 2.5rem 3rem 2.75rem;
    max-width: var(--card-max-width);
    margin: 0 auto;
    width: 100%;
  }

  .page-products .card-number-mono {
    flex: 0 0 7rem;
    font-size: var(--number-size-desktop);
    margin-right: 2.5rem;
  }

  .page-products .card-title {
    font-size: 1.75rem;
  }

  .page-products .card-desc {
    font-size: 1.05rem;
    max-width: 580px;
  }

  .page-products .card-figure {
    max-width: 380px;
  }

  .page-products .card-accent {
    right: 24px;
    top: 24px;
    width: 72px;
    height: 5px;
  }

  .page-products .services-grid {
    gap: 5rem;
  }

  .page-products .services-footer-brand {
    margin-top: 6rem;
    gap: 2rem;
  }

  .page-products .brand-icon {
    width: 90px;
  }

  .page-products .services-footer-text {
    font-size: 0.95rem;
  }
}

/* ========== 大桌面 (≥1200px) ========== */
@media (min-width: 1200px) {
  .page-products .service-card {
    padding: 3rem 3.5rem 3rem;
  }

  .page-products .card-number-mono {
    flex: 0 0 8rem;
    font-size: 9rem;
    margin-right: 3rem;
  }

  .page-products .card-figure {
    max-width: 420px;
  }
}