.page-products {
  --prod-gap: clamp(20px, 4vw, 44px);
  --prod-hair: rgba(159, 179, 200, 0.28);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-block: clamp(40px, 7vw, 88px) clamp(52px, 8vw, 104px);
}

.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 5vw, 56px);
}

.page-products .prod-hero__aside {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .prod-hero__no {
  font-size: clamp(36px, 9vw, 72px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-products .prod-hero__tag {
  font-size: var(--fs-mono);
  letter-spacing: 0.32em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-products .prod-hero__body .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--coral);
  margin: 0 0 16px;
}

.page-products .prod-hero__body h1 {
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 22px;
  max-width: 20em;
}

.page-products .prod-hero__body .lede {
  font-size: var(--fs-lede);
  line-height: 1.78;
  color: var(--mist);
  max-width: 38em;
  margin: 0;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .prod-hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(32px, 5vw, 52px) 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .prod-figure {
  background: rgba(14, 42, 71, 0.6);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .prod-figure dt {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-figure dd {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

/* ---------- 通用章节 ---------- */
.page-products .prod-section {
  padding-block: clamp(56px, 8vw, 112px);
}

.page-products .prod-section .section__head {
  margin-bottom: clamp(30px, 5vw, 56px);
}

.page-products .prod-section .section__index {
  display: block;
  font-size: var(--fs-mono);
  letter-spacing: 0.3em;
  color: var(--coral);
  margin-bottom: 12px;
}

.page-products .prod-section .section__title {
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  max-width: 24em;
}

.page-products .prod-section .section__note {
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 38em;
  margin: 0;
}

.page-products .zone--navy .section__title,
.page-products .zone--deep .section__title {
  color: var(--paper);
}

.page-products .zone--navy .section__note,
.page-products .zone--deep .section__note {
  color: var(--mist);
}

/* ---------- 分类矩阵 ---------- */
.page-products .prod-matrix__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
}

.page-products .prod-matrix {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--prod-hair);
  border-left: 1px solid var(--prod-hair);
}

.page-products .prod-cat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 22px;
  border-right: 1px solid var(--prod-hair);
  border-bottom: 1px solid var(--prod-hair);
  transition: background-color var(--dur) ease, border-color var(--dur) ease;
}

.page-products .prod-cat::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) ease;
}

.page-products .prod-cat:hover::after,
.page-products .prod-cat:focus-within::after {
  transform: scaleX(1);
}

.page-products .prod-cat:hover {
  background: rgba(47, 224, 208, 0.05);
}

.page-products .prod-cat__no {
  font-size: var(--fs-mono);
  letter-spacing: 0.18em;
  color: var(--violet);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-cat__name {
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  margin: 0;
}

.page-products .prod-cat__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0;
}

.page-products .prod-cat__count {
  margin-top: 4px;
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  color: var(--steel);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-matrix__figure .figure__frame,
.page-products .prod-paths__figure .figure__frame,
.page-products .prod-filter__figure .figure__frame,
.page-products .prod-status__figure .figure__frame,
.page-products .prod-follow__figure .figure__frame {
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(47, 224, 208, 0.08), rgba(7, 26, 47, 0) 60%),
    var(--navy);
}

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

.page-products .figure__caption {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 三条路径 ---------- */
.page-products .prod-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .prod-path {
  background: var(--deep);
  padding: clamp(22px, 3.4vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background-color var(--dur) ease;
}

.page-products .prod-path:hover {
  background: var(--mid);
}

.page-products .prod-path__no {
  font-size: var(--fs-mono);
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-products .prod-path__name {
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
  margin: 0;
}

.page-products .prod-path__text {
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--mist);
  margin: 0;
}

.page-products .prod-path__meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-products .prod-paths__foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-products .prod-paths__note-title {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-products .prod-paths__note p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
  margin: 0;
  max-width: 38em;
}

/* ---------- 筛选面板 ---------- */
.page-products .prod-filter {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
}

.page-products .prod-filter__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--prod-hair);
  background: var(--paper);
}

.page-products .prod-filter__group {
  display: grid;
  gap: 10px;
}

.page-products .prod-filter__label {
  font-size: var(--fs-mono);
  letter-spacing: 0.24em;
  color: var(--violet);
  margin: 0;
}

.page-products .prod-filter__result {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 0;
  border-top: 1px solid var(--prod-hair);
  border-bottom: 1px solid var(--prod-hair);
}

.page-products .prod-filter .filter-count {
  font-size: clamp(15px, 2vw, 18px);
  letter-spacing: 0.06em;
  color: var(--ink);
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.page-products .prod-filter__hint {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0;
  max-width: 42em;
}

.page-products .prod-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--prod-hair);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-index .index-row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "no   copy"
    "title copy"
    "meta  copy";
  align-items: center;
  gap: 4px 14px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--prod-hair);
  transition: border-color var(--dur) ease, background-color var(--dur) ease;
}

.page-products .prod-index .index-row:hover {
  background: rgba(47, 224, 208, 0.06);
  border-bottom-color: var(--cyan);
}

.page-products .prod-index .index-row__no {
  grid-area: no;
  font-size: var(--fs-mono);
  letter-spacing: 0.14em;
  color: var(--coral);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-index .index-row__title {
  grid-area: title;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .prod-index .index-row__meta {
  grid-area: meta;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .prod-index__copy {
  grid-area: copy;
  align-self: center;
  white-space: nowrap;
}

.page-products .prod-filter__figure {
  margin: 0;
}

/* ---------- 状态说明 ---------- */
.page-products .prod-status {
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--prod-hair);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .prod-status__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px;
  grid-column: 1 / -1;
}

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

.page-products .prod-status__item {
  background: var(--paper);
  padding: 18px 20px;
  display: grid;
  gap: 10px;
}

.page-products .prod-status__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .prod-status__figure {
  margin: 0;
}

/* ---------- 关注分类 ---------- */
.page-products .prod-follow {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-ink);
}

.page-products .prod-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-products .prod-step__no {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--violet);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-step__text h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-products .prod-step__text p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 38em;
}

.page-products .prod-follow__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-follow__figure {
  margin: 0;
}

/* ---------- 找不到 ---------- */
.page-products .prod-missing p {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ink-soft);
  margin: 0 0 18px;
  max-width: 38em;
}

.page-products .prod-missing__list {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  border-left: 2px solid var(--cyan);
}

.page-products .prod-missing__list li {
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .prod-missing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .prod-backtop {
  margin: 0 0 clamp(48px, 7vw, 88px);
}

.page-products .prod-backtop a {
  display: inline-block;
}

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

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

  .page-products .prod-index .index-row {
    grid-template-columns: 88px minmax(0, 1fr) auto auto;
    grid-template-areas: "no title meta copy";
    gap: 6px 18px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(120px, 2fr) minmax(0, 8fr) minmax(0, 2fr);
    align-items: start;
  }

  .page-products .prod-hero__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 0 0 0 18px;
    min-height: 120px;
  }

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

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

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

  .page-products .prod-paths__foot {
    grid-template-columns: minmax(0, 6fr) minmax(200px, 3fr);
  }

  .page-products .prod-filter {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .prod-filter__panel,
  .page-products .prod-filter__result,
  .page-products .prod-index {
    grid-column: 1;
  }

  .page-products .prod-filter__figure {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-products .prod-status {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-products .prod-status__title {
    grid-column: 1 / -1;
  }

  .page-products .prod-status__list {
    grid-column: 1;
    grid-template-columns: 1fr;
  }

  .page-products .prod-status__figure {
    grid-column: 2;
    grid-row: 2;
  }

  .page-products .prod-follow {
    grid-template-columns: minmax(0, 7fr) minmax(220px, 3fr);
  }
}

@media (min-width: 1180px) {
  .page-products .prod-matrix {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .prod-cat,
  .page-products .prod-cat::after,
  .page-products .prod-path,
  .page-products .prod-index .index-row {
    transition: none;
  }
}