.page-products {
  --pd-rule: 1px solid var(--line-ink);
  --pd-rule-gold: 1px solid var(--line-gold);
  --pd-pad: clamp(32px, 6vw, 68px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-bottom: clamp(40px, 7vw, 84px);
}

.page-products .sb-breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

.page-products .sb-breadcrumb__text {
  color: var(--slate);
}

.page-products .pd-link {
  color: var(--brick);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding: clamp(20px, 4vw, 40px) 0 clamp(24px, 4vw, 40px);
  border-bottom: var(--pd-rule-gold);
}

.page-products .pd-hero__title {
  margin: 10px 0 0;
  font-size: clamp(2rem, 8.4vw, 4.1rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--indigo);
}

.page-products .pd-hero__mark {
  display: block;
  color: var(--brick);
}

.page-products .pd-hero__lead {
  max-width: 44em;
  margin: 18px 0 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.8;
}

.page-products .pd-hero__facts {
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  margin: 26px 0 0;
  background: var(--line-ink-soft);
  border: var(--pd-rule);
}

.page-products .pd-fact {
  background: var(--card);
  padding: 14px 16px;
}

.page-products .pd-fact__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-products .pd-fact__v {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 5vw, 28px);
  color: var(--indigo);
  letter-spacing: 0.01em;
}

.page-products .pd-fact__v span {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--slate);
}

.page-products .pd-yearstrip {
  display: flex;
  gap: 0;
  margin: 24px 0 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  border-top: var(--pd-rule-gold);
  border-bottom: var(--pd-rule);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-yearstrip__item {
  flex: 0 0 auto;
  min-width: 64px;
  padding: 10px 4px;
  text-align: center;
  border-right: 1px solid var(--line-ink-soft);
}

.page-products .pd-yearstrip__y {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-products .pd-yearstrip__item--now .pd-yearstrip__y {
  color: var(--brick);
  font-weight: 600;
}

/* ---------- 通用章节标题 ---------- */
.page-products .pd-sec-head {
  border-top: var(--pd-rule-gold);
  padding-top: 16px;
  margin-bottom: clamp(20px, 3.5vw, 32px);
}

.page-products .pd-sec-head__title {
  margin: 8px 0 0;
  color: var(--indigo);
  font-size: clamp(1.5rem, 5.2vw, 2.5rem);
  line-height: 1.2;
}

.page-products .pd-sec-head__text {
  margin-top: 14px;
  color: var(--ink);
}

/* ---------- 平台总览 ---------- */
.page-products .pd-overview__grid {
  align-items: start;
}

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

.page-products .pd-pillar {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  padding: 16px;
  background: var(--card);
  border: var(--pd-rule);
  border-left: 3px solid var(--indigo);
}

.page-products .pd-pillar__num {
  font-size: 16px;
  color: var(--copper);
  letter-spacing: 0.06em;
}

.page-products .pd-pillar__title {
  margin: 0;
  color: var(--indigo);
  font-size: 1.05rem;
}

.page-products .pd-pillar__text {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .pd-overview__figure {
  margin: 22px 0 0;
}

.page-products .pd-overview__figure img,
.page-products .pd-spec__figure img,
.page-products .pd-vol__figure img,
.page-products .pd-coverage__figure img,
.page-products .pd-path__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .sb-media__frame {
  border: var(--pd-rule);
  background: var(--card);
  overflow: hidden;
}

.page-products .sb-media__cap {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 选型参数 ---------- */
.page-products .pd-rules__code {
  background: var(--card);
  border: var(--pd-rule);
  padding: clamp(16px, 3vw, 26px);
}

.page-products .pd-rules__code-lead {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--slate);
}

.page-products .pd-code {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-ink-soft);
}

.page-products .pd-code__seg {
  background: var(--card);
  padding: 12px 14px;
  display: grid;
  gap: 2px;
}

.page-products .pd-code__idx {
  font-size: 12px;
  color: var(--copper);
  letter-spacing: 0.08em;
}

.page-products .pd-code__name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--indigo);
}

.page-products .pd-code__hint {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.6;
}

.page-products .pd-scenes {
  margin-top: clamp(24px, 4vw, 38px);
}

.page-products .pd-scenes__title {
  margin: 0 0 14px;
  color: var(--indigo);
}

.page-products .pd-scenes__grid {
  align-items: stretch;
}

.page-products .pd-scene {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 3px solid var(--brick);
}

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

.page-products .pd-scene__h {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--indigo);
}

.page-products .pd-scene__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-products .pd-scene__note {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line-gold);
}

/* ---------- 规格对照 ---------- */
.page-products .pd-spec__caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 10px;
  font-size: 14px;
  color: var(--slate);
}

.page-products .pd-spec__tbl {
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-products .pd-spec__tbl th,
.page-products .pd-spec__tbl td {
  border-bottom: 1px solid var(--line-ink-soft);
  padding: 10px 12px;
  white-space: nowrap;
}

.page-products .pd-spec__tbl thead th {
  background: var(--indigo);
  color: var(--paper);
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.page-products .pd-spec__param {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--card);
  font-family: var(--font-sans);
  color: var(--indigo);
  text-align: left;
  border-right: 1px solid var(--line-gold);
}

.page-products .pd-spec__tbl thead .pd-spec__param {
  background: var(--indigo-deep);
  color: var(--paper);
}

.page-products .pd-spec__tbl tbody tr:nth-child(even) td {
  background: var(--mist);
}

.page-products .pd-spec__foot {
  margin-top: 12px;
}

.page-products .pd-spec__figure {
  margin: clamp(22px, 4vw, 34px) 0 0;
}

.page-products .pd-spec__callout {
  margin-top: clamp(22px, 4vw, 34px);
  border-left: 3px solid var(--brick);
}

.page-products .pd-spec__callout-h {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--indigo);
}

.page-products .pd-spec__steps {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 15px;
  line-height: 1.7;
}

.page-products .pd-spec__steps span.sb-mono {
  display: inline-block;
  margin-right: 8px;
  color: var(--brick);
}

/* ---------- 版本库 ---------- */
.page-products .pd-vol__layout {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-products .pd-vol__figure {
  margin: 0;
}

.page-products .pd-vol__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-vol__card {
  flex: 0 0 78%;
  scroll-snap-align: start;
  background: var(--card);
  border: var(--pd-rule);
  border-top: 3px solid var(--copper);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pd-vol__card--now {
  border-top-color: var(--brick);
}

.page-products .pd-vol__year {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--indigo);
}

.page-products .pd-vol__card--now .pd-vol__year {
  color: var(--brick);
}

.page-products .pd-vol__name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--indigo);
}

.page-products .pd-vol__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .pd-vol__detail {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line-gold);
}

.page-products .pd-vol__detail summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--brick);
}

.page-products .pd-vol__detail p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pd-vol__hint {
  margin-top: 6px;
}

/* ---------- 类目覆盖 ---------- */
.page-products .pd-coverage__figure {
  margin: 0 0 clamp(20px, 3.5vw, 30px);
}

.page-products .pd-coverage__filters {
  margin-bottom: 14px;
}

.page-products .pd-catlist {
  border-top: 2px solid var(--indigo);
}

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

.page-products .pd-catlist__row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "name vol"
    "bar bar"
    "sub date";
  gap: 6px 12px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line-ink-soft);
  align-items: center;
}

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

.page-products .pd-catlist__name {
  grid-area: name;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--indigo);
}

.page-products .pd-catlist__vol {
  grid-area: vol;
  font-size: 14px;
  color: var(--indigo);
}

.page-products .pd-catlist__bar {
  grid-area: bar;
  display: block;
  height: 6px;
  background: var(--mist);
  position: relative;
}

.page-products .pd-catlist__bar i {
  display: block;
  height: 100%;
  background: var(--indigo);
}

.page-products .pd-catlist__sub {
  grid-area: sub;
  font-size: 12px;
  color: var(--slate);
}

.page-products .pd-catlist__date {
  grid-area: date;
  font-size: 12px;
  color: var(--brick);
  text-align: right;
}

.page-products .pd-cat--1 .pd-catlist__bar i { width: 100%; }
.page-products .pd-cat--2 .pd-catlist__bar i { width: 92%; background: var(--indigo); }
.page-products .pd-cat--3 .pd-catlist__bar i { width: 81%; background: var(--indigo); }
.page-products .pd-cat--4 .pd-catlist__bar i { width: 69%; background: var(--indigo); }
.page-products .pd-cat--5 .pd-catlist__bar i { width: 57%; background: var(--indigo); }
.page-products .pd-cat--6 .pd-catlist__bar i { width: 44%; background: var(--indigo); }

.page-products .pd-catlist__total {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  padding: 14px 4px;
  border-bottom: 2px solid var(--copper);
  font-size: 14px;
  color: var(--slate);
}

.page-products .pd-catlist__total span:last-child {
  grid-column: 1 / -1;
  font-size: 12px;
  color: var(--brick);
}

.page-products .pd-coverage__note {
  margin-top: 14px;
}

/* ---------- 使用路径 ---------- */
.page-products .pd-path__layout {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

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

.page-products .pd-path__raillist {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  border-top: var(--pd-rule-gold);
  border-bottom: var(--pd-rule);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-path__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--indigo);
  text-decoration: none;
  border: 1px solid var(--line-ink);
  background: var(--card);
  white-space: nowrap;
}

.page-products .pd-path__link span.sb-mono {
  color: var(--copper);
  font-size: 12px;
}

.page-products .pd-path__link:hover,
.page-products .pd-path__link:focus-visible {
  border-color: var(--copper);
  background: var(--mist);
}

.page-products .pd-path__link[aria-current="true"] {
  background: var(--indigo);
  color: var(--paper);
  border-color: var(--indigo);
}

.page-products .pd-path__link[aria-current="true"] span.sb-mono {
  color: var(--copper);
}

.page-products .pd-path__steps {
  display: grid;
  gap: 14px;
}

.page-products .pd-path__step {
  background: var(--card);
  border: var(--pd-rule);
  border-left: 3px solid var(--indigo);
  padding: 16px;
}

.page-products .pd-path__no {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--brick);
}

.page-products .pd-path__h {
  margin: 4px 0 0;
  color: var(--indigo);
}

.page-products .pd-path__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-products .pd-path__figure {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

/* ---------- 更新节奏 ---------- */
.page-products .pd-rhythm__grid {
  align-items: start;
}

.page-products .pd-rhythm__facts {
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  background: var(--line-ink-soft);
  border: var(--pd-rule);
}

.page-products .pd-rfact {
  background: var(--card);
  padding: 14px 16px;
}

.page-products .pd-rfact__num {
  margin: 0;
  font-size: 20px;
  color: var(--indigo);
}

.page-products .pd-rfact__label {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--slate);
}

.page-products .pd-rhythm__note {
  margin-top: 16px;
}

/* ---------- 开始使用 ---------- */
.page-products .pd-start {
  margin-top: clamp(28px, 5vw, 48px);
  border-top: 3px solid var(--indigo);
  background: var(--card);
  padding: clamp(20px, 4vw, 34px);
}

.page-products .pd-start__inner {
  display: grid;
  gap: 20px;
}

.page-products .pd-start__h {
  margin: 0;
  color: var(--indigo);
  font-size: clamp(1.4rem, 4.6vw, 2.1rem);
}

.page-products .pd-start__lead {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-products .pd-start__contact {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-start__contact li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
}

.page-products .pd-start__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-products .pd-start__v {
  color: var(--indigo);
  font-size: 15px;
}

.page-products .pd-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pd-start__note {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-gold);
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-products .pd-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pd-hero__lead {
    font-size: 17px;
  }

  .page-products .pd-yearstrip {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    overflow: visible;
  }

  .page-products .pd-yearstrip__item {
    min-width: 0;
  }

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

  .page-products .pd-vol__track {
    gap: 16px;
  }

  .page-products .pd-vol__card {
    flex: 0 0 32%;
  }

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

  .page-products .pd-start__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-products .pd-start__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-products .pd-rules__code {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 28px;
    align-items: center;
  }

  .page-products .pd-rules__code-lead {
    margin: 0;
  }

  .page-products .pd-scenes__grid {
    gap: var(--sb-gap);
  }

  .page-products .pd-catlist__head {
    display: grid;
    grid-template-columns: 8rem 8rem 9rem 1fr 10rem;
    gap: 12px;
    padding: 10px 4px;
    border-bottom: 1px solid var(--line-gold);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--slate);
  }

  .page-products .pd-catlist__row {
    grid-template-columns: 8rem 8rem 9rem 1fr 10rem;
    grid-template-areas: "name sub vol bar date";
    gap: 12px;
    padding: 12px 4px;
  }

  .page-products .pd-catlist__bar {
    height: 10px;
  }

  .page-products .pd-catlist__date {
    text-align: left;
  }

  .page-products .pd-catlist__total {
    grid-template-columns: 8rem 8rem 9rem 1fr 10rem;
    align-items: center;
  }

  .page-products .pd-catlist__total span:last-child {
    grid-column: auto;
    text-align: right;
  }

  .page-products .pd-vol__layout {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }

  .page-products .pd-vol__figure {
    margin-top: 0;
  }

  .page-products .pd-vol__card {
    flex: 0 0 29%;
  }

  .page-products .pd-path__layout {
    grid-template-columns: 3fr 9fr;
    align-items: start;
  }

  .page-products .pd-path__rail {
    position: sticky;
    top: 96px;
  }

  .page-products .pd-path__raillist {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border-top: none;
    border-bottom: none;
    padding: 0;
    position: relative;
  }

  .page-products .pd-path__raillist::before {
    content: "";
    position: absolute;
    left: 21px;
    top: 14px;
    bottom: 14px;
    width: 1px;
    background: var(--line-gold);
  }

  .page-products .pd-path__link {
    position: relative;
    border: none;
    background: transparent;
    padding: 8px 0 8px 40px;
    white-space: normal;
  }

  .page-products .pd-path__link::before {
    content: "";
    position: absolute;
    left: 16px;
    top: 16px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--paper);
    border: 1px solid var(--copper);
  }

  .page-products .pd-path__link:hover,
  .page-products .pd-path__link:focus-visible {
    background: var(--mist);
  }

  .page-products .pd-path__link[aria-current="true"] {
    background: var(--mist);
    color: var(--indigo);
    border-color: transparent;
  }

  .page-products .pd-path__link[aria-current="true"]::before {
    background: var(--brick);
    border-color: var(--brick);
  }

  .page-products .pd-path__figure {
    max-width: 620px;
  }
}
</>