.page-products {
  --pd-pad: 64px;
  --pd-gap: 20px;
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-products .pd-sec {
  padding: var(--pd-pad) 0;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 20px);
  padding-bottom: 40px;
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 26px;
}

.page-products .pd-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 9.5vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-products .pd-hero__title-accent {
  display: block;
  color: var(--signal);
}

.page-products .pd-hero__lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-products .pd-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, 0 100%);
}

.page-products .pd-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-products .pd-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-products .pd-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--panel);
}

.page-products .pd-hero__stats .stat__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  color: var(--signal);
}

.page-products .pd-hero__stats .stat__label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 01 总览 ---------- */
.page-products .pd-overview__grid {
  align-items: start;
}

.page-products .pd-overview__intro {
  padding: 26px;
}

.page-products .pd-sub {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pd-overview__intro .pd-sub + p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pd-overview__link {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-overview__card {
  padding: 20px;
}

.page-products .pd-overview__figure {
  margin: 0 0 18px;
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-products .pd-overview__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  opacity: 0.9;
}

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

.page-products .pd-keylist__row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

.page-products .pd-keylist__row:last-child {
  border-bottom: 0;
}

.page-products .pd-keylist dt {
  color: var(--muted);
  flex: 0 0 auto;
}

.page-products .pd-keylist dd {
  margin: 0;
  text-align: right;
  color: var(--ink);
}

/* ---------- 02 赛季索引 ---------- */
.page-products .pd-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-products .pd-jump .code-chip {
  text-decoration: none;
}

.page-products .pd-rows {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 20px;
  scroll-margin-top: calc(var(--header-h) + 24px);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-products .pd-row:hover {
  border-color: var(--signal-deep);
}

.page-products .pd-row__id {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .pd-row__type {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-products .pd-row__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pd-row__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-fold {
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}

.page-products .pd-fold__sum {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--signal);
  transition: color 160ms var(--ease);
}

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

.page-products .pd-fold__sum::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}

.page-products .pd-fold[open] > .pd-fold__sum::after {
  content: "−";
}

.page-products .pd-fold__sum:hover {
  color: var(--signal-deep);
}

.page-products .pd-fields {
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pd-fields__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 10px 12px;
  background: var(--raise);
}

.page-products .pd-fields dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .pd-fields dd {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
}

/* ---------- 03 检测项目 ---------- */
.page-products .pd-projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-proj {
  padding: 22px;
}

.page-products .pd-proj__media {
  margin: 0 0 18px;
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-products .pd-proj__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pd-proj__title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pd-proj__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pd-proj__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-proj__list li {
  padding: 4px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
}

.page-products .pd-verify {
  margin-top: var(--pd-gap);
  padding: 22px 24px;
}

.page-products .pd-verify__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 04 专利 ---------- */
.page-products .pd-patents__grid {
  align-items: start;
}

.page-products .pd-patents__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-products .pd-patents__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  opacity: 0.86;
}

.page-products .pd-patents__body {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-patent {
  padding: 20px 22px;
}

.page-products .pd-patent__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pd-patent p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 05 版本与获取 ---------- */
.page-products .pd-version__grid {
  align-items: start;
}

.page-products .pd-version__now {
  padding: 24px;
}

.page-products .pd-version__no {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(48px, 14vw, 80px);
  font-weight: 600;
  line-height: 1;
  color: var(--signal);
}

.page-products .pd-version__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pd-version__road {
  display: block;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-products .pd-version__files {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-file {
  padding: 20px 22px;
}

.page-products .pd-file__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pd-file p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pd-get {
  margin-top: 28px;
  padding: 26px 24px;
}

.page-products .pd-get__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .pd-get p {
  margin: 0;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pd-get__chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 右缘刻度 ---------- */
.page-products .pd-tick {
  display: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pd-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-fields__row {
    grid-template-columns: 150px 1fr;
    align-items: baseline;
    gap: 12px;
  }

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

@media (min-width: 900px) {
  .page-products {
    --pd-pad: 84px;
  }

  .page-products .pd-hero {
    padding-bottom: 56px;
  }

  .page-products .pd-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: center;
    gap: 44px;
  }

  .page-products .pd-row {
    grid-template-columns: 168px 1fr;
    gap: 24px;
    padding: 24px 26px;
  }

  .page-products .pd-row__id {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    border-right: 1px solid var(--line-soft);
    padding-right: 20px;
  }

  .page-products .pd-get {
    padding: 32px 34px;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-tick {
    display: block;
    position: fixed;
    top: 130px;
    right: 12px;
    bottom: 130px;
    width: 6px;
    background-image: repeating-linear-gradient(
      to bottom,
      var(--line) 0 1px,
      transparent 1px 9px
    );
    border-left: 1px solid var(--line-soft);
    opacity: 0.6;
    pointer-events: none;
    z-index: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-row,
  .page-products .pd-fold__sum {
    transition: none;
  }
}