.page-products {
  --pd-card: #FFFCF7;
  --pd-ink-soft: rgba(247, 243, 236, .78);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(27, 58, 92, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 58, 92, .035) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-products .wd-figure {
  margin: 0;
}

.page-products .wd-figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
}

.page-products .wd-figure__cap {
  margin-top: .6rem;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* 面包屑 */
.page-products .pd-crumb {
  padding-top: 1.5rem;
}

.page-products .wd-breadcrumb__item a {
  color: var(--ink-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--fast) var(--ease);
}

.page-products .wd-breadcrumb__item a:hover {
  border-color: var(--amber);
}

/* 首屏 */
.page-products .pd-hero {
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2rem, 5vw, 3.25rem);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: 2rem;
}

.page-products .pd-hero__lead .wd-lede {
  margin-top: 1rem;
  max-width: 46rem;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.page-products .pd-facts {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-1);
  padding: 1.25rem 1.25rem 1.1rem;
}

.page-products .pd-facts__label {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.page-products .pd-facts__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-products .pd-facts__list li {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  padding-bottom: .55rem;
  border-bottom: 1px dashed var(--rule);
}

.page-products .pd-facts__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pd-facts__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ink-700);
  min-width: 4.5ch;
}

.page-products .pd-facts__text {
  font-size: .9rem;
  line-height: 1.6;
  color: var(--text-soft);
}

.page-products .pd-facts__note {
  margin: 1rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid var(--rule);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* 通用章节头 */
.page-products .pd-head {
  max-width: 44rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-products .pd-head__lede {
  margin-top: .85rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* 评测章节 */
.page-products .pd-review {
  border-top: 1px solid var(--rule);
}

.page-products .pd-split {
  display: grid;
  gap: 2rem;
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--rule);
}

.page-products .pd-steps__item:last-child {
  border-bottom: 1px solid var(--rule);
}

.page-products .pd-steps__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--amber);
  padding-top: .35rem;
}

.page-products .pd-steps__title {
  margin: 0 0 .35rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink-900);
}

.page-products .pd-steps__text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--text-soft);
}

/* 标签页 */
.page-products .pd-tabs {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-products .pd-tabs .wd-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding-bottom: .85rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.page-products .pd-tabs .wd-tabs__tab {
  appearance: none;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .88rem;
  color: var(--ink-700);
  padding: .5rem 1.05rem;
  cursor: pointer;
  transition: background var(--fast) var(--ease), border-color var(--fast) var(--ease), color var(--fast) var(--ease);
}

.page-products .pd-tabs .wd-tabs__tab:hover {
  border-color: var(--ink-500);
  color: var(--ink-900);
}

.page-products .pd-tabs .wd-tabs__tab[aria-selected="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-products .pd-tabs .wd-tabs__tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-products .pd-tabgrid {
  display: grid;
  gap: 1rem;
}

.page-products .pd-tabitem {
  background: var(--pd-card);
  border: 1px solid var(--rule);
  padding: 1.1rem 1.15rem;
  box-shadow: var(--shadow-1);
  transition: transform var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-products .pd-tabitem:hover {
  transform: translateY(-3px);
  border-color: var(--ink-500);
}

.page-products .pd-tabitem__title {
  margin: 0 0 .4rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .97rem;
  color: var(--ink-900);
}

.page-products .pd-tabitem__text {
  margin: 0;
  font-size: .91rem;
  line-height: 1.8;
  color: var(--text-soft);
}

/* 对比表 */
.page-products .pd-tablewrap {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: var(--pd-card);
  box-shadow: var(--shadow-1);
}

.page-products .pd-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: .92rem;
}

.page-products .pd-table caption {
  text-align: left;
  padding: .95rem 1.1rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--ink-500);
  border-bottom: 1px solid var(--rule);
}

.page-products .pd-table th {
  padding: .7rem 1.1rem;
  text-align: left;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .86rem;
  color: var(--ink-900);
  background: var(--paper-2);
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}

.page-products .pd-table td {
  padding: .75rem 1.1rem;
  border-bottom: 1px solid var(--rule);
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .pd-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pd-table tbody tr:hover td {
  background: var(--mist);
}

.page-products .pd-table td:nth-child(3),
.page-products .pd-table td:nth-child(4) {
  font-family: var(--font-mono);
  color: var(--ink-700);
  white-space: nowrap;
}

/* 评测方法 */
.page-products .pd-method {
  display: grid;
  gap: 1.75rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--rule);
}

.page-products .pd-method__text p {
  margin: 0 0 1rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pd-method__text p:last-child {
  margin-bottom: 0;
}

.page-products .pd-chart {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

/* 折叠面板 */
.page-products .pd-acc {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-products .pd-acc details {
  border: 1px solid var(--rule);
  background: var(--pd-card);
  margin-bottom: .6rem;
}

.page-products .pd-acc summary {
  padding: .9rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  color: var(--ink-900);
}

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

.page-products .pd-acc summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-products .pd-acc details[open] summary::after {
  content: "–";
}

.page-products .pd-acc details[open] summary {
  border-bottom: 1px solid var(--rule);
}

.page-products .pd-acc summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-products .pd-acc__body {
  margin: 0;
  padding: .9rem 1.1rem 1.05rem;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* V4 深色区 */
.page-products .pd-v4 {
  background: var(--ink-900);
  color: var(--paper);
}

.page-products .pd-v4 .wd-h2 {
  color: var(--paper);
}

.page-products .pd-v4 .wd-eyebrow {
  color: var(--amber-soft);
}

.page-products .pd-v4__lede {
  margin-top: .85rem;
  max-width: 46rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pd-ink-soft);
}

.page-products .pd-v4__grid {
  display: grid;
  gap: 2rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-products .pd-v4__sub {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: .76rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber-soft);
}

.page-products .pd-log {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-log__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--rule-ink);
}

.page-products .pd-log__date {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--amber-soft);
  padding-top: .15rem;
}

.page-products .pd-log__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--pd-ink-soft);
}

.page-products .pd-v4__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .75rem 1rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule-ink);
}

.page-products .pd-v4__statnum {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-products .pd-v4__stattext {
  font-size: .9rem;
  line-height: 1.7;
  max-width: 24rem;
  color: var(--pd-ink-soft);
}

.page-products .pd-v4 .wd-figure__img {
  border-color: var(--rule-ink);
}

.page-products .pd-v4 .wd-figure__cap {
  color: rgba(247, 243, 236, .6);
}

/* 归档 */
.page-products .pd-archive {
  display: grid;
  gap: 2rem;
}

.page-products .pd-months {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-products .pd-months li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: .78rem .2rem;
  border-bottom: 1px solid var(--rule);
  transition: background var(--fast) var(--ease);
}

.page-products .pd-months li:hover {
  background: var(--mist);
}

.page-products .pd-months__m {
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--ink-700);
}

.page-products .pd-months__c {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--text-soft);
}

.page-products .pd-archive__hint {
  margin: 1rem 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pd-note {
  margin-top: 1.25rem;
}

/* 下一步 */
.page-products .pd-next {
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.page-products .pd-next__box {
  border: 1px solid var(--rule);
  border-left: 4px solid var(--amber);
  background: var(--paper-2);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  box-shadow: var(--shadow-1);
}

.page-products .pd-next__text {
  margin: 1rem 0 0;
  max-width: 48rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pd-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  margin-top: 1.35rem;
}

.page-products .pd-next__links a {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .92rem;
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 2px solid var(--amber-soft);
  padding-bottom: .12rem;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-products .pd-next__links a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

/* 响应式 */
@media (min-width: 700px) {
  .page-products .pd-tabgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pd-method {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-products .pd-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .pd-v4__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .pd-archive {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
    gap: 2.75rem;
    align-items: start;
  }
}

@media (max-width: 480px) {
  .page-products .pd-steps__item,
  .page-products .pd-log__item {
    grid-template-columns: 1fr;
    gap: .35rem;
  }

  .page-products .pd-facts__num {
    font-size: 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-tabitem,
  .page-products .pd-tabs .wd-tabs__tab,
  .page-products .pd-next__links a,
  .page-products .pd-months li {
    transition: none;
  }

  .page-products .pd-tabitem:hover {
    transform: none;
  }
}