.page-products {
  --pd-gap: 18px;
  --pd-war: #050A16;
  background: var(--ink);
  color: var(--cold);
  padding-bottom: 40px;
}

/* ---------- 面包屑 ---------- */
.page-products .pd-crumbs {
  padding-top: 18px;
}

/* ---------- 封面 ---------- */
.page-products .pd-cover {
  padding-top: 26px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-cover__grid {
  display: grid;
  gap: 30px;
  padding-bottom: 34px;
}

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

.page-products .pd-cover h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--paper);
}

.page-products .pd-cover__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--cold);
  opacity: .82;
}

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

.page-products .pd-cover__board {
  background: var(--deep);
  border: var(--bw) solid var(--line);
  box-shadow: var(--shadow-card);
  padding: 18px 18px 10px;
}

.page-products .pd-cover__board-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--muted);
}

.page-products .pd-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-index li + li {
  border-top: 1px solid var(--line);
}

.page-products .pd-index a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 2px;
  color: var(--cold);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .pd-index b {
  color: var(--lime);
  font-size: 13px;
  letter-spacing: .06em;
}

.page-products .pd-index a:hover,
.page-products .pd-index a:focus-visible {
  color: var(--lime);
  padding-left: 8px;
}

.page-products .pd-cover__strip {
  background: var(--deep);
  border-top: 1px solid var(--line);
}

.page-products .pd-cover__strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding: 12px 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 章节通用 ---------- */
.page-products .pd-sec__top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.page-products .pd-sec__no {
  font-size: clamp(26px, 5vw, 48px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.03em;
}

.page-products .pd-sec__line {
  flex: 1 1 auto;
  height: 3px;
  background: var(--line);
}

.page-products .pd-sec__tag {
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .pd-head h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-products .pd-head__text {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--cold);
  opacity: .8;
}

/* ---------- 图片 ---------- */
.page-products .pd-figure {
  margin: 26px 0 0;
}

.page-products .pd-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--bw) solid var(--line);
  background: var(--deep);
  object-fit: cover;
}

.page-products .pd-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 01 下载格式 ---------- */
.page-products .pd-formats {
  display: grid;
  gap: var(--pd-gap);
  margin-top: 28px;
}

.page-products .pd-format {
  padding: 20px 20px 22px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pd-format__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 10px;
  background: var(--lime);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.page-products .pd-format h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .pd-format__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cold);
  opacity: .78;
}

.page-products .pd-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-fields li {
  font-family: var(--font-num);
  font-size: 11.5px;
  line-height: 1;
  padding: 5px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.page-products .pd-spec {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: var(--bw) solid var(--line);
}

.page-products .pd-spec__item {
  background: var(--deep);
  padding: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 8px;
}

.page-products .pd-spec__num {
  font-size: clamp(26px, 4.4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-products .pd-spec__unit {
  font-size: 13px;
  color: var(--muted);
}

.page-products .pd-spec__label {
  flex: 1 1 100%;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--cold);
  opacity: .75;
}

/* ---------- 02 客户端 ---------- */
.page-products .pd-paths {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-products .pd-path {
  background: var(--deep);
  border: var(--bw) solid var(--line);
  padding: 18px;
}

.page-products .pd-path--short {
  border-color: var(--lime);
  box-shadow: var(--shadow-lime);
}

.page-products .pd-path__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-products .pd-path--short .pd-path__label {
  color: var(--lime);
}

.page-products .pd-path__steps {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-products .pd-path__steps li {
  font-family: var(--font-num);
  font-size: 12.5px;
  line-height: 1;
  padding: 6px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.page-products .pd-path--short .pd-path__steps li {
  border-color: var(--lime);
  color: var(--lime);
}

.page-products .pd-path__track {
  height: 10px;
  background: var(--ink);
  border: 1px solid var(--line);
}

.page-products .pd-path__bar {
  display: block;
  height: 100%;
  transition: width var(--dur) var(--ease);
}

.page-products .pd-path__bar--full {
  width: 100%;
  background: var(--muted);
}

.page-products .pd-path__bar--short {
  width: 40%;
  background: var(--lime);
}

.page-products .pd-client {
  margin-top: 30px;
}

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

.page-products .pd-platforms {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .pd-platform {
  border: var(--bw) solid var(--line);
  background: var(--deep);
  padding: 16px;
}

.page-products .pd-platform__name {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-products .pd-platform__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--cold);
  opacity: .78;
}

.page-products .pd-client__note {
  margin: 18px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 03 接口 ---------- */
.page-products .pd-ticker {
  margin-top: 28px;
  background: var(--deep);
  border-top: var(--bw) solid var(--line);
  border-bottom: var(--bw) solid var(--line);
}

.page-products .pd-ticker__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 22px;
  padding: 24px 0;
}

.page-products .pd-ticker__num {
  font-size: clamp(30px, 7vw, 60px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-products .pd-ticker__label {
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--cold);
  opacity: .75;
}

.page-products .pd-dims {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: var(--bw) solid var(--line);
}

.page-products .pd-dim {
  background: var(--ink);
  padding: 18px;
}

.page-products .pd-dim__no {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-products .pd-dim h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  color: var(--paper);
}

.page-products .pd-dim p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cold);
  opacity: .78;
}

.page-products .pd-note {
  margin-top: 26px;
}

.page-products .pd-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cold);
  opacity: .82;
}

.page-products .pd-note a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 04 图表（浅色区） ---------- */
.page-products .pd-sec--paper {
  background: var(--cold);
  color: var(--ink);
}

.page-products .pd-sec--paper .pd-sec__line {
  background: var(--ink);
  opacity: .18;
}

.page-products .pd-sec--paper .pd-sec__tag {
  color: #5A6478;
}

.page-products .pd-sec--paper .pd-head h2 {
  color: var(--ink);
}

.page-products .pd-sec--paper .pd-head__text {
  color: #3A4453;
  opacity: 1;
}

.page-products .pd-charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.page-products .pd-chart {
  background: var(--paper);
  border: var(--bw) solid var(--ink);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pd-chart summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 12px 12px;
  display: grid;
  gap: 10px;
}

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

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

.page-products .pd-chart__thumb {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.page-products .pd-chart__name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pd-chart[open] {
  border-color: var(--lime-deep);
}

.page-products .pd-chart__body {
  margin: 0;
  padding: 0 12px 14px;
  font-size: 13.5px;
  line-height: 1.72;
  color: #45505F;
}

.page-products .pd-sec--paper .pd-figure img {
  border-color: var(--ink);
  background: var(--paper);
}

.page-products .pd-sec--paper .pd-figure figcaption {
  color: #5A6478;
}

/* ---------- 05 版本与更新 ---------- */
.page-products .pd-timeline {
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 0 20px;
  border-left: 3px solid var(--line);
}

.page-products .pd-timeline li {
  position: relative;
  padding: 0 0 24px 6px;
}

.page-products .pd-timeline li:last-child {
  padding-bottom: 4px;
}

.page-products .pd-timeline li::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 14px;
  height: 14px;
  background: var(--lime);
}

.page-products .pd-timeline__key {
  margin: 0 0 6px;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-products .pd-timeline__text {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--cold);
  opacity: .8;
}

.page-products .pd-cta {
  display: grid;
  gap: 20px;
  margin-top: 34px;
  padding: 24px 22px;
  background: var(--deep);
  border: var(--bw) solid var(--lime);
  box-shadow: var(--shadow-lime);
}

.page-products .pd-cta h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-products .pd-cta__text p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--cold);
  opacity: .8;
}

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

.page-products .pd-tail {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-tail a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 悬停细节 ---------- */
@media (hover: hover) {
  .page-products .pd-format:hover,
  .page-products .pd-chart:hover {
    transform: translateY(-3px);
    border-color: var(--lime);
  }

  .page-products .pd-platform:hover {
    border-color: var(--steel);
  }

  .page-products .pd-path--long:hover .pd-path__bar--full {
    background: var(--steel);
  }

  .page-products .pd-path--short:hover .pd-path__bar--short {
    background: var(--paper);
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pd-platforms {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .pd-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

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

  .page-products .pd-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 28px 30px;
  }

  .page-products .pd-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 900px) {
  .page-products .pd-cover__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
  }

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

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

  .page-products .pd-client {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 26px;
    align-items: start;
  }

  .page-products .pd-platforms {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 0;
  }

  .page-products .pd-client__note {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-format,
  .page-products .pd-chart,
  .page-products .pd-index a,
  .page-products .pd-path__bar {
    transition: none;
  }

  .page-products .pd-format:hover,
  .page-products .pd-chart:hover {
    transform: none;
  }
}