.page-products {
  --pp-line: 2px solid var(--navy);
  --pp-shadow: 4px 4px 0 var(--navy);
  --pp-shadow-lg: 6px 6px 0 var(--navy);
  --pp-hair: 1px solid rgba(35, 38, 43, 0.14);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  line-height: 1.28;
  color: var(--navy);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(46%, 420px);
  height: 6px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-hi) 60%, var(--magenta) 100%);
}

.page-products .cat-hero__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--royal);
}

.page-products .cat-hero__lead {
  max-width: 62ch;
  margin: 1rem 0 0;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .cat-hero__stats {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.page-products .cat-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: var(--pp-line);
  box-shadow: var(--pp-shadow);
}

.page-products .stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  line-height: 1;
  color: var(--royal);
}

.page-products .stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-products .cat-hero__media {
  margin: 1.5rem 0 0;
}

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

.page-products .cat-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.page-products .cat-jump__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--navy);
  text-decoration: none;
  background: var(--gold-hi);
  border: var(--pp-line);
  box-shadow: 2px 2px 0 var(--navy);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-products .cat-jump__link:hover,
.page-products .cat-jump__link:focus-visible {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--navy);
}

/* ---------- 分类总览 ---------- */
.page-products .board-head {
  max-width: 66ch;
}

.page-products .board-note {
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--gray);
}

.page-products .cat-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.15rem;
}

.page-products .cat-filter--tag {
  margin-top: 0.55rem;
}

.page-products .cat-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .cat-filter__label {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--navy);
  background: var(--white);
  border: var(--pp-line);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-products .cat-filter__radio:checked + .cat-filter__label {
  background: var(--royal);
  color: var(--gold-hi);
}

.page-products .cat-filter--tag .cat-filter__radio:checked + .cat-filter__label {
  background: var(--teal);
  color: var(--white);
}

.page-products .cat-filter__radio:focus-visible + .cat-filter__label {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.page-products .cat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
  margin-top: 1.25rem;
}

.page-products .cat-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: var(--white);
  border: var(--pp-line);
  box-shadow: var(--pp-shadow);
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}

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

.page-products .cat-cell__count {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.15rem 0.45rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--white);
  background: var(--magenta);
  border: 2px solid var(--navy);
}

.page-products .cat-cell:nth-child(even) .cat-cell__count {
  background: var(--teal);
}

.page-products .cat-cell__name {
  margin: 0;
  padding-right: 3.6rem;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--navy);
}

.page-products .cat-cell__tag {
  margin: 0.5rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-products .cat-cell__scene {
  margin: 0.6rem 0 0;
  padding: 0.5rem 0 0;
  border-top: 1px dashed rgba(107, 114, 128, 0.5);
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--gray);
}

.page-products .catalog-board:has(#pp-scene-news:checked) .cat-cell:not([data-scene="news"]),
.page-products .catalog-board:has(#pp-scene-tools:checked) .cat-cell:not([data-scene="tools"]),
.page-products .catalog-board:has(#pp-scene-life:checked) .cat-cell:not([data-scene="life"]),
.page-products .catalog-board:has(#pp-scene-study:checked) .cat-cell:not([data-scene="study"]),
.page-products .catalog-board:has(#pp-tag-mobile:checked) .cat-cell:not([data-tags~="mobile"]),
.page-products .catalog-board:has(#pp-tag-data:checked) .cat-cell:not([data-tags~="data"]),
.page-products .catalog-board:has(#pp-tag-guide:checked) .cat-cell:not([data-tags~="guide"]) {
  display: none;
}

/* ---------- 场景 ---------- */
.page-products .scene-lead,
.page-products .review-lead,
.page-products .top-lead,
.page-products .mobile-lead,
.page-products .tag-lead {
  margin: 0.85rem 0 0;
  max-width: 68ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
  margin-top: 1.5rem;
}

.page-products .scene-card {
  padding: 1.15rem 1.15rem 1.35rem;
  background: var(--ivory);
  border: var(--pp-line);
  border-top: 6px solid var(--gold);
}

.page-products .scene-card h3 {
  margin: 0.75rem 0 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--navy);
}

.page-products .scene-card p {
  margin: 0.55rem 0 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .scene-card__list {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.page-products .scene-card__list li {
  padding: 0.18rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--navy);
}

/* ---------- 标签 ---------- */
.page-products .tag-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
}

.page-products .tag-points {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.95rem;
}

.page-products .tag-points li {
  padding-left: 1rem;
  border-left: 4px solid var(--gold);
  font-size: 0.94rem;
  line-height: 1.82;
  color: var(--ink);
}

.page-products .tag-points strong {
  color: var(--royal);
}

.page-products .tag-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-products .chip-stack {
  position: relative;
  height: 96px;
  margin-top: 0.25rem;
}

.page-products .chip-stack span {
  position: absolute;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  border: 2px solid var(--navy);
}

.page-products .chip-stack__a {
  top: 0;
  left: 0;
  color: var(--white);
  background: var(--magenta);
  box-shadow: var(--pp-shadow);
}

.page-products .chip-stack__b {
  bottom: 0;
  right: 0;
  color: var(--white);
  background: var(--teal);
  box-shadow: var(--pp-shadow);
}

.page-products .chip-stack__note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 手机端筛选 ---------- */
.page-products .mobile-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
}

.page-products .step-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .step-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem;
  background: var(--white);
  border: var(--pp-line);
  box-shadow: var(--pp-shadow);
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--gold);
}

.page-products .step-list h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--navy);
}

.page-products .step-list p {
  margin: 0.4rem 0 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .mobile-note {
  margin: 1.25rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--gray);
}

.page-products .mobile-note a {
  color: var(--royal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .mobile-media {
  margin: 0;
}

.page-products .mobile-media img {
  display: block;
  width: 100%;
  object-fit: cover;
}

/* ---------- 复核 ---------- */
.page-products .review-media {
  margin: 1.5rem 0 0;
}

.page-products .review-media img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-products .review-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
  margin-top: 1.5rem;
}

.page-products .review-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.15rem;
  background: var(--white);
  border: var(--pp-line);
  box-shadow: var(--pp-shadow);
}

.page-products .review-card__freq {
  align-self: flex-start;
  padding: 0.15rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--white);
  background: var(--royal);
  border: 2px solid var(--navy);
}

.page-products .review-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--navy);
}

.page-products .review-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- Top 20 ---------- */
.page-products .top-banner {
  margin: 0 0 1.5rem;
}

.page-products .top-banner img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-products .top-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  counter-reset: toprank;
  border-top: var(--pp-line);
}

.page-products .top-list li {
  counter-increment: toprank;
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 0.2rem 0.8rem;
  padding: 0.75rem 0.6rem;
  border-bottom: var(--pp-hair);
  transition: background var(--t-fast) var(--ease);
}

.page-products .top-list li:nth-child(even) {
  background: var(--ivory);
}

.page-products .top-list li:hover {
  background: rgba(201, 162, 39, 0.14);
}

.page-products .top-list li::before {
  content: counter(toprank, decimal-leading-zero);
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--gray);
  transition: color var(--t-fast) var(--ease);
}

.page-products .top-list li:hover::before {
  color: var(--magenta);
}

.page-products .top-name {
  grid-column: 2;
  grid-row: 1;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-products .top-meta {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.page-products .top-cat {
  color: var(--royal);
}

.page-products .top-check {
  color: var(--gray);
}

/* ---------- 收尾 ---------- */
.page-products .closing__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
}

.page-products .closing__card {
  padding: 1.5rem;
  background: var(--royal);
  border: var(--pp-line);
  box-shadow: var(--pp-shadow-lg);
}

.page-products .closing__card--alt {
  background: var(--white);
}

.page-products .closing__card h2 {
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  color: var(--gold-hi);
}

.page-products .closing__card--alt h2 {
  color: var(--navy);
}

.page-products .closing__card p {
  margin: 0.7rem 0 1.2rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ivory);
}

.page-products .closing__card--alt p {
  color: var(--ink);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-products .cat-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 1024px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .tag-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .mobile-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .cat-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    grid-template-areas:
      "c1 c1 c2 c3 c4 c4"
      "c1 c1 c5 c5 c6 c7"
      "c8 c9 c9 c10 c11 c11"
      "c12 c12 c12 c10 c11 c11";
    gap: 1.25rem;
  }

  .page-products .cat-cell--c1 { grid-area: c1; }
  .page-products .cat-cell--c2 { grid-area: c2; }
  .page-products .cat-cell--c3 { grid-area: c3; }
  .page-products .cat-cell--c4 { grid-area: c4; }
  .page-products .cat-cell--c5 { grid-area: c5; }
  .page-products .cat-cell--c6 { grid-area: c6; }
  .page-products .cat-cell--c7 { grid-area: c7; }
  .page-products .cat-cell--c8 { grid-area: c8; }
  .page-products .cat-cell--c9 { grid-area: c9; }
  .page-products .cat-cell--c10 { grid-area: c10; }
  .page-products .cat-cell--c11 { grid-area: c11; }
  .page-products .cat-cell--c12 { grid-area: c12; }

  .page-products .cat-cell {
    padding-bottom: 3rem;
    justify-content: flex-start;
  }

  .page-products .cat-cell--c1 .cat-cell__name,
  .page-products .cat-cell--c11 .cat-cell__name {
    font-size: 1.4rem;
  }

  .page-products .cat-cell__scene {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    padding: 0.55rem 1rem;
    border-top: 0;
    background: var(--navy);
    color: var(--gold-hi);
    opacity: 0;
    transform: translateY(6px);
    pointer-events: none;
    transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease);
  }

  .page-products .cat-cell:hover .cat-cell__scene,
  .page-products .cat-cell:focus-within .cat-cell__scene {
    opacity: 1;
    transform: none;
  }

  .page-products .top-list li {
    grid-template-columns: 3.5rem minmax(0, 1fr) 12rem;
    align-items: center;
    padding: 0.7rem 0.8rem;
  }

  .page-products .top-name {
    grid-row: 1;
    font-size: 1rem;
  }

  .page-products .top-meta {
    grid-row: 1;
    grid-column: 3;
    justify-content: flex-end;
  }

  .page-products .top-list li::before {
    grid-row: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-cell,
  .page-products .cat-cell__scene,
  .page-products .cat-jump__link,
  .page-products .top-list li::before {
    transition: none;
  }

  .page-products .cat-cell:hover {
    transform: none;
  }
}