.page-products {
  --pd-offset: 4px 4px 0 rgba(16, 22, 31, 0.16);
}

.page-products .wk-section {
  padding-top: 40px;
  padding-bottom: 40px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-top: 24px;
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 20px;
}

.page-products .pd-hero__title {
  margin-top: 12px;
  max-width: 22em;
}

.page-products .pd-hero__lead {
  margin-top: 16px;
  max-width: 38em;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pd-hero__aside {
  align-self: start;
}

.page-products .pd-hero__aside-code {
  color: var(--wk-gold);
  margin: 0 0 12px;
}

.page-products .pd-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-facts li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: #D9E4EC;
}

.page-products .pd-facts__key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--wk-gold);
  color: var(--wk-gold);
  font-size: 12px;
  line-height: 1;
}

/* ---------- 图片容器 ---------- */
.page-products .wk-media {
  margin: 0;
}

.page-products .wk-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-figure {
  padding-top: 0;
}

.page-products .pd-mirror__figure,
.page-products .pd-naming__figure,
.page-products .pd-trouble__figure {
  margin-top: 32px;
}

/* ---------- 对照区 ---------- */
.page-products .pd-toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-top: 24px;
  padding: 10px 0;
  border-top: 1px solid var(--wk-mist);
  border-bottom: 1px solid var(--wk-mist);
  scrollbar-width: thin;
}

.page-products .pd-toc a {
  flex: none;
  font-family: var(--wk-font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--wk-gray);
  text-decoration: none;
  padding: 5px 12px;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: color 160ms var(--wk-ease), border-color 160ms var(--wk-ease), background-color 160ms var(--wk-ease);
}

.page-products .pd-toc a:hover,
.page-products .pd-toc a:focus-visible {
  color: var(--wk-ink);
  border-color: var(--wk-mist);
}

.page-products .pd-toc a[aria-current="true"] {
  color: var(--wk-ink);
  border-color: var(--wk-cyan);
  background: rgba(23, 195, 178, 0.12);
}

.page-products .pd-mirror {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
}

.page-products .pd-spine {
  display: none;
}

.page-products .pd-col {
  border: var(--wk-bw) solid var(--wk-ink);
  padding: 20px;
  background: var(--wk-cream);
  box-shadow: var(--wk-shadow);
}

.page-products .pd-col--right {
  background: var(--wk-base);
}

.page-products .pd-col__head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--wk-mist);
}

.page-products .pd-col__title {
  margin: 12px 0 0;
}

.page-products .pd-col__intro {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--wk-slate);
}

.page-products .pd-col__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--wk-mist);
  line-height: 1.7;
}

.page-products .pd-badge {
  display: inline-block;
  font-family: var(--wk-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border: 1px solid var(--wk-gold);
  color: var(--wk-ink);
  background: transparent;
}

.page-products .pd-badge--warm {
  border-color: var(--wk-coral);
  color: var(--wk-ink);
}

/* 栏目版本行 */
.page-products .pd-rows {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--wk-mist);
}

.page-products .pd-row {
  padding: 14px 0;
  border-bottom: 1px solid var(--wk-mist);
}

.page-products .pd-row__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-products .pd-row__code {
  font-size: 12px;
  color: var(--wk-ink);
  background: var(--wk-gold);
  padding: 1px 7px;
}

.page-products .pd-row__name {
  font-family: var(--wk-font-head);
  font-weight: 600;
  font-size: 16px;
  color: var(--wk-ink);
}

.page-products .pd-row__ver {
  margin-left: auto;
  font-size: 13px;
  color: var(--wk-gray);
}

.page-products .pd-row__scope {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--wk-slate);
}

.page-products .pd-row__use {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--wk-gray);
}

/* 合集规格表 */
.page-products .pd-specs {
  margin: 16px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--wk-mist);
}

.page-products .pd-spec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--wk-mist);
}

.page-products .pd-spec dt {
  font-family: var(--wk-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--wk-gray);
}

.page-products .pd-spec dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--wk-ink);
}

/* ---------- 命名与格式 ---------- */
.page-products .pd-parts {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 8px;
  margin-top: 24px;
}

.page-products .pd-part {
  flex: 1 1 140px;
  border: var(--wk-bw) solid var(--wk-ink);
  padding: 12px 14px;
  display: grid;
  gap: 8px;
  box-shadow: var(--pd-offset);
}

.page-products .pd-part--a {
  background: var(--wk-mist);
}

.page-products .pd-part--b {
  background: var(--wk-blue);
}

.page-products .pd-part--c {
  background: var(--wk-cream);
}

.page-products .pd-part__label {
  display: block;
}

.page-products .pd-part__val {
  font-size: 22px;
  font-weight: 700;
  color: var(--wk-ink);
}

.page-products .pd-parts__dot {
  align-self: center;
  font-size: 22px;
  color: var(--wk-gray);
}

.page-products .pd-parts__note,
.page-products .pd-formats__note {
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--wk-slate);
  max-width: 40em;
}

.page-products .pd-naming__sub {
  margin: 40px 0 0;
  padding-left: 12px;
  border-left: 4px solid var(--wk-blue);
}

.page-products .pd-codes {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-products .pd-codes li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  font-size: 15px;
  color: var(--wk-ink);
  background: var(--wk-cream);
  border: 1px solid var(--wk-mist);
}

.page-products .pd-codes li .wk-mono {
  font-size: 12px;
  padding: 1px 7px;
  background: var(--wk-gold);
  color: var(--wk-ink);
}

.page-products .pd-formats {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-format {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 16px;
  border: var(--wk-bw) solid var(--wk-ink);
  background: var(--wk-base);
}

.page-products .pd-format__ext {
  font-size: 14px;
  font-weight: 700;
  color: var(--wk-ink);
}

.page-products .pd-format__size {
  font-size: 13px;
  color: var(--wk-cyan-deep);
}

.page-products .pd-format__use {
  font-size: 15px;
  line-height: 1.7;
  color: var(--wk-slate);
}

/* ---------- 自检清单 ---------- */
.page-products .pd-checks {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: pdcheck;
}

.page-products .pd-check {
  border: var(--wk-bw) solid var(--wk-ink);
  background: var(--wk-cream);
  transition: border-color 160ms var(--wk-ease), background-color 160ms var(--wk-ease);
}

.page-products .pd-check label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
}

.page-products .pd-check input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  border: var(--wk-bw) solid var(--wk-ink);
  background: var(--wk-base);
  cursor: pointer;
  transition: background-color 160ms var(--wk-ease);
}

.page-products .pd-check input:checked {
  background: var(--wk-cyan);
}

.page-products .pd-check input:focus-visible {
  outline: 2px solid var(--wk-cyan);
  outline-offset: 2px;
}

.page-products .pd-check:has(input:checked) {
  background: var(--wk-base);
  border-color: var(--wk-cyan-deep);
}

.page-products .pd-check__text {
  font-size: 16px;
  line-height: 1.75;
  color: var(--wk-ink);
}

.page-products .pd-checks__note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 4px solid var(--wk-coral);
  background: var(--wk-base);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--wk-slate);
}

/* ---------- 失败排查 ---------- */
.page-products .pd-folds {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.page-products .pd-trouble__note {
  margin: 24px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--wk-slate);
  max-width: 40em;
}

.page-products .pd-trouble__note a {
  color: var(--wk-cyan-deep);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-products .pd-trouble__note a:hover,
.page-products .pd-trouble__note a:focus-visible {
  color: var(--wk-ink);
  background: rgba(23, 195, 178, 0.16);
}

/* ---------- 后续入口 ---------- */
.page-products .pd-next__grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pd-linkcard {
  display: grid;
  gap: 8px;
  padding: 18px;
  text-decoration: none;
  border: var(--wk-bw) solid var(--wk-ink);
  background: var(--wk-cream);
  box-shadow: var(--pd-offset);
  transition: transform 180ms var(--wk-ease), box-shadow 180ms var(--wk-ease);
}

.page-products .pd-linkcard:hover,
.page-products .pd-linkcard:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(16, 22, 31, 0.18);
}

.page-products .pd-linkcard:focus-visible {
  outline: 2px solid var(--wk-cyan);
  outline-offset: 3px;
}

.page-products .pd-linkcard__title {
  font-family: var(--wk-font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--wk-ink);
}

.page-products .pd-linkcard__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--wk-slate);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-products .pd-spec {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-products .pd-format {
    grid-template-columns: 130px 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

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

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

@media (min-width: 900px) {
  .page-products .wk-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .page-products .pd-hero__grid {
    grid-template-columns: 5fr 4fr;
    gap: 36px;
    align-items: start;
  }

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

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

@media (min-width: 960px) {
  .page-products .pd-mirror {
    grid-template-columns: minmax(0, 1fr) 2px minmax(0, 1fr);
    gap: 0 32px;
    align-items: stretch;
  }

  .page-products .pd-spine {
    display: block;
    background-image: repeating-linear-gradient(
      to bottom,
      var(--wk-gold) 0,
      var(--wk-gold) 10px,
      rgba(201, 180, 138, 0.18) 10px,
      rgba(201, 180, 138, 0.18) 20px
    );
  }
}

@media (min-width: 1100px) {
  .page-products .pd-col {
    padding: 26px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-toc a,
  .page-products .pd-check,
  .page-products .pd-check input,
  .page-products .pd-linkcard {
    transition: none;
  }

  .page-products .pd-linkcard:hover,
  .page-products .pd-linkcard:focus-visible {
    transform: none;
    box-shadow: var(--pd-offset);
  }
}