.page-products {
  --cat-shadow: 6px 6px 0 0 var(--paper-2);
  --cat-pad: clamp(20px, 2.6vw, 28px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.9;
  overflow-x: hidden;
  background-image: repeating-linear-gradient(
    180deg,
    transparent 0 87px,
    rgba(30, 127, 168, 0.06) 87px 88px
  );
}

.page-products .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.page-products .section {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-products .section-head {
  display: block;
  margin: 0 0 clamp(26px, 3.6vw, 44px);
}

.page-products .section-num {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--sand-ink);
}

.page-products .section-num::after {
  content: "";
  height: 1px;
  width: 64px;
  background: var(--line-strong);
}

.page-products .section-title {
  margin: 0 0 16px;
  padding-left: 18px;
  border-left: 4px solid var(--sand);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(25px, 4.4vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .lede {
  max-width: 36em;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  padding: clamp(40px, 6vw, 80px) 0 clamp(48px, 6vw, 84px);
  background:
    radial-gradient(760px 320px at 88% 8%, rgba(138, 111, 209, 0.16), transparent 68%),
    radial-gradient(560px 280px at 4% 92%, rgba(30, 127, 168, 0.13), transparent 70%);
}

.page-products .cat-hero__stamp {
  display: inline-block;
  margin: 0 0 22px;
  padding: 6px 13px;
  font-size: 12px;
  color: var(--sand-ink);
  background: rgba(201, 162, 39, 0.13);
  border-left: 4px solid var(--sand);
}

.page-products .cat-hero__title {
  max-width: 18ch;
  margin: 0 0 22px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  color: var(--ink);
}

.page-products .cat-hero__mark {
  color: var(--lake-deep);
  background-image: linear-gradient(transparent 66%, rgba(201, 162, 39, 0.45) 66%);
  background-repeat: no-repeat;
}

.page-products .cat-hero__lede {
  max-width: 38em;
  margin: 0 0 34px;
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.9;
  color: var(--muted);
}

.page-products .cat-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-products .cat-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 16px 20px;
  background: var(--paper);
}

.page-products .cat-hero__facts strong {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--lake-deep);
}

.page-products .cat-hero__facts span {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 通用插图 ---------- */
.page-products .cat-figure {
  margin: 0 0 clamp(26px, 3.6vw, 44px);
  border: 1px solid var(--line-strong);
  border-left: 5px solid var(--sand);
  background: var(--paper-2);
  box-shadow: var(--cat-shadow);
  overflow: hidden;
}

.page-products .cat-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .cat-figure--mid,
.page-products .cat-figure--full {
  grid-column: 1 / -1;
  margin-left: 0;
  margin-right: 0;
}

/* ---------- 01 分类矩阵 ---------- */
.page-products .cat-matrix {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--lake-deep);
}

.page-products .cat-matrix__row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 6px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-products .cat-matrix__row:hover {
  background: rgba(168, 211, 226, 0.26);
  padding-left: 14px;
}

.page-products .cat-matrix__idx {
  font-size: 14px;
  font-weight: 700;
  color: var(--sand-ink);
  padding-top: 3px;
}

.page-products .cat-matrix__name h3 {
  margin: 0 0 2px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .cat-matrix__name p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .cat-matrix__sub,
.page-products .cat-matrix__count {
  grid-column: 2;
  font-size: 12px;
  color: var(--muted);
}

.page-products .cat-matrix__count {
  color: var(--sand-ink);
}

/* ---------- 02 逐类卡片 ---------- */
.page-products .cat-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-products .cat-card {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-left: 5px solid var(--lake);
  box-shadow: var(--cat-shadow);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
    border-left-color 0.2s var(--ease);
}

.page-products .cat-card:hover {
  transform: translateY(-4px);
  border-left-color: var(--sand);
  box-shadow: 8px 10px 0 0 var(--paper-2);
}

.page-products .cat-card__batch {
  margin: 0 0 10px;
  font-size: 11.5px;
  color: var(--sand-ink);
}

.page-products .cat-card__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .cat-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .cat-card__meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13.5px;
}

.page-products .cat-card__meta dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
  padding-top: 3px;
}

.page-products .cat-card__meta dd {
  margin: 0;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .cat-card__meta a,
.page-products .cat-paths-section a,
.page-products .cat-service__item a,
.page-products .cat-save__list a,
.page-products .cat-stamp__hint a {
  color: var(--lake-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s var(--ease);
}

.page-products .cat-card__meta a:hover,
.page-products .cat-paths-section a:hover,
.page-products .cat-service__item a:hover,
.page-products .cat-save__list a:hover,
.page-products .cat-stamp__hint a:hover {
  color: var(--dusk-bright);
}

/* ---------- 03 收藏说明（深色） ---------- */
.page-products .cat-save {
  background: var(--ink-deep);
  background-image:
    radial-gradient(900px 360px at 84% 6%, rgba(138, 111, 209, 0.3), transparent 62%),
    repeating-linear-gradient(
      180deg,
      rgba(168, 211, 226, 0.07) 0 1px,
      transparent 1px 26px
    );
  color: var(--paper);
}

.page-products .cat-save .section-title {
  color: var(--paper);
  border-left-color: var(--flag);
}

.page-products .cat-save .section-num {
  color: var(--sand);
}

.page-products .cat-save .section-num::after {
  background: rgba(201, 162, 39, 0.55);
}

.page-products .cat-save .lede {
  color: rgba(245, 242, 234, 0.8);
}

.page-products .cat-save__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 56px);
  align-items: center;
}

.page-products .cat-save__list {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-save__list li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 242, 234, 0.88);
}

.page-products .cat-save__list li::before {
  content: "";
  width: 14px;
  height: 14px;
  margin-top: 7px;
  background: var(--sand);
  clip-path: polygon(
    50% 0%, 61% 39%, 100% 50%, 61% 61%,
    50% 100%, 39% 61%, 0% 50%, 39% 39%
  );
}

.page-products .cat-save__list a {
  color: var(--sand);
}

.page-products .cat-save__list a:hover {
  color: var(--flag);
}

.page-products .cat-save__note {
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(201, 162, 39, 0.4);
  font-size: 12px;
  line-height: 1.8;
  color: var(--sand);
}

.page-products .cat-save__figure {
  margin: 0;
  border: 1px solid rgba(168, 211, 226, 0.34);
  box-shadow: 6px 6px 0 0 rgba(138, 111, 209, 0.36);
  overflow: hidden;
}

.page-products .cat-save__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 04 三条路径 ---------- */
.page-products .cat-paths-section {
  background: linear-gradient(180deg, rgba(168, 211, 226, 0.2), transparent 62%);
}

.page-products .cat-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-path {
  padding: 24px 22px 26px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-top: 5px solid var(--lake);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-products .cat-path:hover {
  transform: translateY(-4px);
  box-shadow: var(--cat-shadow);
}

.page-products .cat-path--deep {
  border-top-color: var(--dusk-bright);
}

.page-products .cat-path--feedback {
  border-top-color: var(--flag);
}

.page-products .cat-path__tag {
  margin: 0 0 10px;
  font-size: 11.5px;
  color: var(--muted);
}

.page-products .cat-path h3 {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.35;
  color: var(--ink);
}

.page-products .cat-path p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .cat-path__route {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--sand);
  font-size: 12px;
  color: var(--sand-ink);
}

/* ---------- 05 服务对应 ---------- */
.page-products .cat-service {
  background: var(--paper-2);
}

.page-products .cat-service__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-products .cat-service__item {
  padding: 22px 20px 24px;
  background: var(--paper);
}

.page-products .cat-service__item h3 {
  margin: 0 0 10px;
  padding-left: 12px;
  border-left: 3px solid var(--flag);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .cat-service__item p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .cat-service__item ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .cat-service__item li {
  font-size: 13.5px;
  line-height: 1.6;
  padding-left: 12px;
  border-left: 2px solid var(--lake-pale);
}

/* ---------- 06 批次卡片墙 ---------- */
.page-products .cat-stamp__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 1.8vw, 20px);
}

.page-products .cat-stamp__card {
  position: relative;
  padding: 20px 18px 48px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--lake);
  box-shadow: 4px 4px 0 0 var(--paper-2);
}

.page-products .cat-stamp__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .cat-stamp__card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .cat-stamp__stamp {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--sand-ink);
}

.page-products .cat-stamp__stamp::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sand);
}

.page-products .cat-stamp__hint {
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 18px 20px;
  border: 1px solid var(--line-strong);
  border-left: 5px solid var(--dusk-bright);
  background: rgba(168, 211, 226, 0.18);
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .cat-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .cat-stamp__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .cat-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cat-matrix__row {
    grid-template-columns: 58px minmax(0, 1fr) 130px 120px;
    align-items: baseline;
  }

  .page-products .cat-matrix__row:nth-child(even) {
    background: rgba(168, 211, 226, 0.18);
  }

  .page-products .cat-matrix__sub,
  .page-products .cat-matrix__count {
    grid-column: auto;
  }

  .page-products .cat-matrix__count {
    text-align: right;
  }

  .page-products .cat-service__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .cat-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .cat-card:nth-child(even) {
    margin-top: 56px;
  }

  .page-products .cat-save__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-products .cat-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .cat-service__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cat-stamp__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-card,
  .page-products .cat-path,
  .page-products .cat-matrix__row {
    transition: none;
  }

  .page-products .cat-card:hover,
  .page-products .cat-path:hover {
    transform: none;
  }
}