.page-products {
  --pd-gap: clamp(16px, 2.6vw, 30px);
  --pd-band: clamp(52px, 8vw, 104px);
  --pd-yellow: #E4C155;
  background: var(--ink);
  color: var(--snow);
  overflow-x: hidden;
}

.page-products .pd-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 18px var(--gutter) 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-products .pd-crumbs a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-products .pd-crumbs a:hover,
.page-products .pd-crumbs a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- hero ---------- */
.page-products .pd-hero {
  position: relative;
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(40px, 6vw, 82px);
  background:
    radial-gradient(120% 92% at 84% 4%, rgba(14, 42, 32, 0.96), transparent 64%),
    linear-gradient(114deg, var(--ink) 0 55%, var(--deep) 55% 100%);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(94, 127, 99, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(94, 127, 99, 0.16) 1px, transparent 1px);
  background-size: 84px 84px;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
}

.page-products .pd-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-products .pd-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 7vw, 4.4rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-products .pd-hero__title em {
  font-style: normal;
  color: var(--mint);
}

.page-products .pd-hero__lede {
  max-width: 54ch;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(242, 247, 244, 0.86);
}

.page-products .pd-hero__stamp {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 14px;
  align-items: baseline;
  max-width: 340px;
  margin: 26px 0 0;
  padding: 12px 16px;
  border-left: 2px solid var(--mint);
  background: var(--glass);
  font-family: var(--font-mono);
}

.page-products .pd-stamp__label {
  grid-column: 1;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-products .pd-stamp__time {
  grid-column: 2;
  font-size: clamp(18px, 2.4vw, 22px);
  letter-spacing: 0.02em;
  color: var(--mint);
}

.page-products .pd-stamp__note {
  grid-column: 1 / -1;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(242, 247, 244, 0.6);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pd-hero__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--deep);
}

.page-products .pd-hero__figure img,
.page-products .pd-cards__media img,
.page-products .pd-tags__figure img,
.page-products .pd-sched__figure img,
.page-products .pd-usage__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-hero__cap,
.page-products .pd-sched__cap,
.page-products .pd-tags__cap {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--stone);
}

/* ---------- blocks ---------- */
.page-products .pd-block {
  padding: var(--pd-band) 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-block--deep {
  background: var(--deep);
}

.page-products .pd-head {
  margin-bottom: clamp(22px, 3.4vw, 40px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-head h2 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.16;
  color: var(--snow);
}

.page-products .pd-head .section-head__note {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 247, 244, 0.66);
}

.page-products .pd-head .section-head__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--clay);
}

/* ---------- 01 functions ---------- */
.page-products .pd-func {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-products .pd-index__list {
  display: grid;
  gap: 2px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-index__list a {
  display: block;
  padding: 9px 12px;
  border-left: 1px solid var(--line);
  font-size: 14px;
  color: var(--snow);
  text-decoration: none;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease), background-color var(--speed) var(--ease);
}

.page-products .pd-index__list a:hover,
.page-products .pd-index__list a:focus-visible {
  border-left-color: var(--mint);
  background: var(--glass);
  color: var(--mint);
}

.page-products .pd-readout {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  margin-bottom: var(--pd-gap);
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: rgba(7, 18, 14, 0.5);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}

.page-products .pd-readout__k {
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-products .pd-readout__v {
  color: var(--mint);
}

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

.page-products .pd-func-card {
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--mint);
  background: var(--glass);
  transition: background-color var(--speed) var(--ease), border-color var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-products .pd-func-card:hover {
  background: rgba(168, 255, 230, 0.2);
  border-color: var(--line-strong);
  border-top-color: var(--mint);
  transform: translateY(-2px);
}

.page-products .pd-func-card__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-products .pd-func-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--snow);
}

.page-products .pd-func-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 247, 244, 0.76);
}

/* ---------- 02 schedule ---------- */
.page-products .pd-sched {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-products .pd-sched__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep);
}

.page-products .pd-timeline {
  position: relative;
  margin: 0;
  padding: 4px 0 0;
  list-style: none;
}

.page-products .pd-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(to bottom, var(--mint), rgba(57, 245, 200, 0.08));
}

.page-products .pd-timeline .timeline__node {
  position: relative;
  padding: 0 0 26px 34px;
}

.page-products .pd-timeline .timeline__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--mint);
  border-radius: 50%;
  background: var(--ink);
}

.page-products .pd-timeline .timeline__node:last-child {
  padding-bottom: 0;
}

.page-products .pd-node__time {
  display: inline-block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.page-products .pd-timeline .timeline__node h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--snow);
}

.page-products .pd-timeline .timeline__node p {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 247, 244, 0.72);
}

/* ---------- 03 cards ---------- */
.page-products .pd-cards__media {
  margin: 0 0 clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-products .pd-cards {
  position: relative;
  display: grid;
  gap: 14px;
}

.page-products .pd-side {
  margin: 0;
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: rgba(7, 18, 14, 0.72);
}

.page-products .pd-side--home {
  border-left: 2px solid var(--mint);
}

.page-products .pd-side--away {
  border-left: 2px solid var(--clay);
}

.page-products .pd-side__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-products .pd-side--home .pd-side__k {
  color: var(--mint);
}

.page-products .pd-side--away .pd-side__k {
  color: var(--clay);
}

.page-products .pd-side__list {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-side__list li {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-products .pd-side__list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .pd-side__list strong {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--snow);
}

.page-products .pd-side__list span {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(242, 247, 244, 0.68);
}

/* ---------- 04 tags ---------- */
.page-products .pd-tags {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
}

.page-products .pd-tags__lead {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 247, 244, 0.8);
}

.page-products .pd-tag-grid {
  display: grid;
  gap: 12px;
}

.page-products .pd-tag-card {
  padding: 16px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--moss);
  background: var(--glass);
  transition: border-color var(--speed) var(--ease), background-color var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-products .pd-tag-card:hover {
  border-left-color: var(--mint);
  background: rgba(57, 245, 200, 0.1);
  transform: translateY(-2px);
}

.page-products .pd-tag-card h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--snow);
}

.page-products .pd-tag-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(242, 247, 244, 0.7);
}

.page-products .pd-tags__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep);
}

/* ---------- 05 transfers ---------- */
.page-products .pd-moves {
  display: grid;
  gap: 12px;
}

.page-products .pd-move {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--clay);
  background: rgba(7, 18, 14, 0.55);
  transition: border-color var(--speed) var(--ease), background-color var(--speed) var(--ease);
}

.page-products .pd-move:hover {
  border-bottom-color: var(--mint);
  background: rgba(168, 255, 230, 0.1);
}

.page-products .pd-move__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-products .pd-move h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--snow);
}

.page-products .pd-move p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(242, 247, 244, 0.7);
}

.page-products .pd-moves__more {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

/* ---------- 06 versions ---------- */
.page-products .pd-version-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-products .pd-version {
  position: relative;
}

.page-products .pd-version::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 26px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--moss);
  border-radius: 50%;
  background: var(--ink);
}

.page-products .pd-version--now::before {
  border-color: var(--mint);
  background: var(--mint);
}

.page-products .pd-version summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 4px 14px;
  align-items: baseline;
  padding: 16px 0 14px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  list-style: none;
}

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

.page-products .pd-version summary::marker {
  content: "";
}

.page-products .pd-version summary:focus-visible {
  outline: 1px solid var(--mint);
  outline-offset: 3px;
}

.page-products .pd-version__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-products .pd-version__name {
  font-family: var(--font-display);
  font-size: clamp(16px, 2.4vw, 20px);
  font-weight: 700;
  color: var(--snow);
}

.page-products .pd-version--now .pd-version__name {
  color: var(--mint);
}

.page-products .pd-version__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-products .pd-version__hint::before {
  content: "展开";
}

.page-products .pd-version details[open] .pd-version__hint::before {
  content: "收起";
}

.page-products .pd-version details[open] .pd-version__hint {
  color: var(--mint);
}

.page-products .pd-version__body {
  padding: 4px 0 18px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-version__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 247, 244, 0.74);
}

.page-products .pd-versions__team {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 247, 244, 0.66);
}

.page-products .pd-versions__team a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 245, 200, 0.4);
  transition: border-color var(--speed) var(--ease);
}

.page-products .pd-versions__team a:hover,
.page-products .pd-versions__team a:focus-visible {
  border-bottom-color: var(--mint);
}

/* ---------- 07 usage ---------- */
.page-products .pd-usage__grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
}

.page-products .pd-usage__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-products .pd-path {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-path::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 12px;
  bottom: 30px;
  width: 1px;
  background: linear-gradient(to bottom, var(--mint), rgba(57, 245, 200, 0.1));
}

.page-products .pd-path__step {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 24px;
}

.page-products .pd-path__step:last-child {
  padding-bottom: 0;
}

.page-products .pd-path__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--mint);
  border-radius: 50%;
  background: var(--deep);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mint);
}

.page-products .pd-path__body h3 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--snow);
}

.page-products .pd-path__body p {
  margin: 0 0 10px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 247, 244, 0.72);
}

.page-products .pd-usage__fit {
  margin-top: clamp(24px, 3.6vw, 36px);
  padding: 16px 18px;
  border-left: 2px solid var(--clay);
  background: var(--glass);
}

.page-products .pd-fit__k {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-products .pd-fit__v {
  margin: 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 247, 244, 0.78);
}

/* ---------- 08 help ---------- */
.page-products .pd-help {
  display: grid;
  gap: 14px;
}

.page-products .pd-help__card {
  display: block;
  padding: 22px 20px;
  border: 1px solid var(--line);
  background: var(--glass);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--speed) var(--ease), background-color var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-products .pd-help__card:hover,
.page-products .pd-help__card:focus-visible {
  border-color: var(--mint);
  background: rgba(57, 245, 200, 0.1);
  transform: translateY(-2px);
}

.page-products .pd-help__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--snow);
}

.page-products .pd-help__card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 247, 244, 0.74);
}

.page-products .pd-help__go {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mint);
  border-bottom: 1px solid rgba(57, 245, 200, 0.4);
}

.page-products .pd-help__contact {
  padding: 18px 18px 16px;
  border: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-products .pd-contact__line {
  display: grid;
  gap: 2px;
  margin: 0 0 10px;
}

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

.page-products .pd-contact__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-products .pd-contact__v {
  color: var(--snow);
  word-break: break-all;
}

/* ---------- responsive ---------- */
@media (min-width: 620px) {
  .page-products .pd-func-list,
  .page-products .pd-moves,
  .page-products .pd-help {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-products .pd-sched {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-products .pd-cards::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    pointer-events: none;
    background: linear-gradient(to bottom, transparent, var(--mint), transparent);
  }

  .page-products .pd-side--home {
    padding-right: 30px;
  }

  .page-products .pd-side--away {
    padding-left: 30px;
  }

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

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

  .page-products .pd-help__contact {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px 24px;
  }

  .page-products .pd-contact__line {
    margin-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-products .pd-tags {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-products .pd-tags__figure {
    position: sticky;
    top: 28px;
  }

  .page-products .pd-usage__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .pd-func {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-index {
    position: sticky;
    top: 28px;
    align-self: start;
  }

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

  .page-products .pd-func-card:nth-child(even) {
    margin-top: 22px;
  }
}

@media (min-width: 760px) {
  .page-products .pd-tag-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .pd-tag-card {
    grid-column: span 3;
  }

  .page-products .pd-tag-card:nth-child(2) {
    grid-column: span 3;
    margin-top: 18px;
  }

  .page-products .pd-tag-card:nth-child(3) {
    grid-column: span 2;
  }

  .page-products .pd-tag-card:nth-child(4) {
    grid-column: span 2;
    margin-top: 14px;
  }

  .page-products .pd-tag-card:nth-child(5) {
    grid-column: span 2;
  }

  .page-products .pd-tag-card:nth-child(6) {
    grid-column: span 4;
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-func-card,
  .page-products .pd-tag-card,
  .page-products .pd-help__card,
  .page-products .pd-move {
    transition: none;
  }

  .page-products .pd-func-card:hover,
  .page-products .pd-tag-card:hover,
  .page-products .pd-help__card:hover {
    transform: none;
  }
}
<<<END>>>