.page-products {
  --pd-gap: clamp(16px, 3vw, 30px);
  --pd-amber-deep: #A85F16;
  --pd-ink-soft: #2B4257;
}

.page-products .section {
  scroll-margin-top: calc(var(--bar-h-collapsed) + 20px);
}

.page-products .pd-hero-wrap {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-products .breadcrumbs {
  margin-bottom: clamp(20px, 4vw, 36px);
  font-size: var(--fs-12);
}

.page-products .pd-hero {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-products .pd-hero__lede {
  margin: clamp(16px, 2.5vw, 22px) 0 0;
  max-width: 46ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--paper);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-products .pd-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.page-products .pd-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-products .pd-fact dt {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-products .pd-fact dd {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--paper);
  line-height: 1.4;
}

.page-products .pd-fact__num {
  display: inline-block;
  margin-right: 4px;
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-products .pd-shot {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-products .pd-shot img,
.page-products .pd-web__figure img,
.page-products .pd-catalog__figure img,
.page-products .pd-formats__figure img,
.page-products .pd-batch__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-shot__cap {
  display: block;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  background: var(--card);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--fog);
}

/* 横向标签带 */
.page-products .pd-band-wrap {
  padding-top: 0;
}

.page-products .pd-band {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 4px 2px 14px;
  margin: 0;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-band__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--card);
  color: var(--paper);
  font-size: var(--fs-14);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), background 180ms var(--ease);
}

.page-products .pd-band__item:hover,
.page-products .pd-band__item:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pd-band__idx {
  font-size: var(--fs-12);
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-products .pd-band__n {
  font-size: var(--fs-12);
  color: var(--fog);
}

/* 网页版服务介绍 */
.page-products .pd-web__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-products .pd-web__p {
  margin: clamp(16px, 2.5vw, 22px) 0 0;
  max-width: 54ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--paper);
}

.page-products .pd-web__list {
  margin: clamp(20px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .pd-web__list li {
  position: relative;
  padding-left: 26px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--fog);
}

.page-products .pd-web__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.72em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-products .pd-web__aside {
  margin: clamp(20px, 3vw, 26px) 0 0;
  font-size: var(--fs-14);
  color: var(--fog);
}

.page-products .pd-web__aside a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.4);
}

.page-products .pd-web__aside a:hover {
  border-bottom-color: var(--cyan);
}

.page-products .pd-web__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--card);
  overflow: hidden;
}

.page-products .pd-web__cap {
  display: block;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--fog);
}

/* 资料下载页 */
.page-products .pd-catalog__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--fog);
}

.page-products .pd-catalog__layout {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  margin-top: clamp(28px, 4vw, 44px);
  align-items: start;
}

.page-products .pd-catalog__side {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-products .pd-catalog__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  overflow: hidden;
}

.page-products .pd-catalog__cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-products .pd-filters {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(18, 41, 61, 0.6);
}

.page-products .pd-filters__title {
  margin: 0 0 12px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-products .pd-filters__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pd-filters__hint {
  margin: 14px 0 0;
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--fog);
}

/* 折叠说明书 */
.page-products .pd-folds {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-products .pd-fold {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  overflow: hidden;
  transition: border-color 200ms var(--ease);
}

.page-products .pd-fold:hover,
.page-products .pd-fold:focus-within {
  border-color: var(--cyan);
}

.page-products .pd-fold__h {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-products .pd-fold__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-head);
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-align: left;
  cursor: pointer;
}

.page-products .pd-fold__num {
  flex: 0 0 auto;
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-products .pd-fold__title {
  flex: 1 1 auto;
  min-width: 0;
}

.page-products .pd-fold__count {
  margin-left: auto;
  flex: 0 0 auto;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--fog);
  white-space: nowrap;
}

.page-products .pd-fold__chev {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-right: 4px;
  border-right: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease);
}

.page-products .pd-fold__head[aria-expanded="true"] .pd-fold__chev {
  transform: rotate(-135deg);
}

.page-products .fold__body,
.page-products .pd-fold__body {
  overflow: hidden;
}

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

.page-products .pd-fold__head[aria-expanded="true"] + .pd-fold__body,
.page-products .pd-fold[data-open] .pd-fold__body,
.page-products .pd-fold.is-open .pd-fold__body {
  display: block;
  border-top: 1px solid var(--line);
  animation: pd-unfold 200ms var(--ease) both;
}

@keyframes pd-unfold {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-products .pd-fold__inner {
  padding: 20px 20px 24px;
}

.page-products .pd-fold__desc {
  margin: 0 0 16px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--fog);
}

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

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

.page-products .pd-file {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(7, 19, 32, 0.55);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-products .pd-file:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pd-file__name {
  font-size: var(--fs-14);
  color: var(--cyan);
  word-break: break-all;
}

.page-products .pd-file__desc {
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--paper);
}

.page-products .pd-file__meta {
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* 文件形态 */
.page-products .pd-formats__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 66ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--fog);
}

.page-products .pd-formats__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-products .pd-format {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-products .pd-format:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pd-format__code {
  align-self: flex-start;
  padding: 4px 14px;
  border-radius: var(--pill);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--cyan);
}

.page-products .pd-format:nth-child(2) .pd-format__code {
  background: var(--amber);
}

.page-products .pd-format:nth-child(3) .pd-format__code {
  background: var(--ok);
}

.page-products .pd-format:nth-child(4) .pd-format__code {
  background: var(--paper-2);
}

.page-products .pd-format h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--paper);
}

.page-products .pd-format p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--fog);
}

.page-products .pd-format__use {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-products .pd-formats__figure {
  margin: clamp(24px, 3vw, 34px) 0 0;
  max-width: 560px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  overflow: hidden;
}

.page-products .pd-formats__cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--fog);
}

/* 批量下载 — 纸面面板 */
.page-products .pd-batch {
  background: var(--paper);
  color: var(--ink);
}

.page-products .pd-batch__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-products .pd-batch__eyebrow {
  color: var(--pd-amber-deep);
}

.page-products .pd-batch h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, var(--fs-34));
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
}

.page-products .pd-batch__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 58ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--pd-ink-soft);
}

.page-products .pd-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pd-steps .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(10, 26, 43, 0.12);
}

.page-products .pd-steps .step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pd-steps .step__num {
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--pd-amber-deep);
}

.page-products .pd-steps .step__text {
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pd-batch__note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--pd-amber-deep);
  background: var(--paper-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--pd-ink-soft);
}

.page-products .pd-batch__figure {
  margin: 0;
  border: 1px solid rgba(10, 26, 43, 0.16);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
}

.page-products .pd-batch__cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid rgba(10, 26, 43, 0.12);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--pd-ink-soft);
}

/* 版本与更新 */
.page-products .pd-version__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 64ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--fog);
}

.page-products .pd-timeline {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 24px;
}

.page-products .pd-tlitem {
  position: relative;
  min-width: 0;
}

.page-products .pd-tlitem::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 178, 92, 0.18);
}

.page-products .pd-tltime {
  display: block;
  margin-bottom: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .pd-tlitem h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pd-tlitem p {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--fog);
}

.page-products .pd-version__more {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--fog);
}

.page-products .pd-version__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.4);
}

.page-products .pd-version__more a:hover {
  border-bottom-color: var(--cyan);
}

/* 下载不顺利 */
.page-products .pd-help__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 64ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--fog);
}

.page-products .pd-help__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-products .pd-help__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-products .pd-help__card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pd-help__card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--paper);
}

.page-products .pd-help__card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--fog);
}

.page-products .pd-help__link {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.4);
  align-self: flex-start;
}

.page-products .pd-help__link:hover {
  border-bottom-color: var(--cyan);
}

.page-products .pd-help__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: clamp(24px, 3vw, 34px);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-deep);
}

.page-products .pd-help__foottext {
  margin: 0;
  flex: 1 1 320px;
  max-width: 62ch;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--fog);
}

.page-products .pd-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

  .page-products .pd-file {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr) auto;
    align-items: center;
    gap: 16px;
  }

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

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

@media (min-width: 880px) {
  .page-products .pd-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-products .pd-web__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pd-batch__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 980px) {
  .page-products .pd-catalog__layout {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: clamp(28px, 3vw, 44px);
  }

  .page-products .pd-catalog__side {
    position: sticky;
    top: calc(var(--bar-h-collapsed) + 28px);
  }
}

@media (min-width: 1060px) {
  .page-products .pd-formats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 559px) {
  .page-products .pd-fold__head {
    font-size: var(--fs-16);
    padding: 16px;
  }

  .page-products .pd-fold__inner {
    padding: 16px 16px 20px;
  }

  .page-products .pd-fold__count {
    margin-left: 0;
  }

  .page-products .pd-file__meta {
    white-space: normal;
  }

  .page-products .pd-help__actions {
    width: 100%;
  }

  .page-products .pd-help__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-band__item,
  .page-products .pd-file,
  .page-products .pd-format,
  .page-products .pd-help__card,
  .page-products .pd-fold,
  .page-products .pd-fold__chev {
    transition: none;
  }

  .page-products .pd-fold__head[aria-expanded="true"] + .pd-fold__body,
  .page-products .pd-fold[data-open] .pd-fold__body,
  .page-products .pd-fold.is-open .pd-fold__body {
    animation: none;
  }
}