.page-products {
  --pd-rail: 208px;
  --pd-gap: clamp(18px, 3vw, 34px);
  --pd-tint: rgba(16, 24, 38, 0.6);
}

/* ---------- 通用排版 ---------- */
.page-products h1 {
  font-family: var(--head);
  font-size: clamp(30px, 6.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  color: var(--text);
}

.page-products h2 {
  font-family: var(--head);
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 12px;
}

.page-products h3 {
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.4;
  margin: 0 0 10px;
}

.page-products h4 {
  font-size: 16px;
}

.page-products p {
  line-height: 1.8;
}

.page-products a {
  color: var(--glow);
}

.page-products .pd-h3 {
  font-family: var(--head);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-products .pd-note {
  border-left: 2px solid var(--violet);
  padding: 6px 0 6px 14px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- 首屏 ---------- */
.pd-hero {
  padding-top: clamp(16px, 3vw, 30px);
  padding-bottom: clamp(24px, 4vw, 48px);
}

.pd-hero-grid {
  display: grid;
  gap: var(--pd-gap);
}

.pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 20px;
}

.pd-hero-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 14px 0 0;
  border-top: 2px solid var(--line);
}

.pd-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.pd-hero-facts .mono {
  font-size: 24px;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.pd-fact-label {
  font-size: 13px;
  color: var(--muted);
}

.pd-hero-side {
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--hard);
  padding: 18px 18px 8px;
}

.pd-side-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--violet);
}

.pd-side-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.pd-side-row--last {
  border-bottom: 0;
}

.pd-side-key {
  font-size: 14px;
  color: var(--muted);
}

.pd-side-val {
  font-size: 14px;
  color: var(--text);
  text-align: right;
}

.pd-side-val.glow {
  color: var(--cyan);
  font-size: 17px;
}

/* ---------- 索引轨 + 主栏 ---------- */
.pd-layout {
  display: grid;
  gap: var(--pd-gap);
  margin-top: clamp(10px, 2vw, 20px);
}

.pd-rail {
  align-self: start;
}

.pd-rail-ver {
  display: block;
  font-size: 34px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.03em;
  margin: 6px 0 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.pd-rail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pd-rail-links .rail-link {
  flex: 0 0 auto;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 13px;
  font-family: var(--body);
  cursor: pointer;
  text-align: left;
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}

.page-products .pd-rail-links .rail-link:hover,
.page-products .pd-rail-links .rail-link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  background: rgba(0, 240, 200, 0.08);
}

.page-products .pd-rail-links .rail-link.is-current {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 3px 3px 0 rgba(122, 92, 255, 0.35);
}

.pd-rail-note {
  display: none;
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.7;
}

.pd-stream > section + section {
  margin-top: clamp(44px, 8vw, 96px);
}

.pd-stream .section {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- 档案库章节 ---------- */
.pd-split {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.pd-fields {
  margin: 4px 0 0;
}

.pd-fields li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.pd-field-code {
  display: inline-block;
  min-width: 52px;
  margin-right: 10px;
  font-size: 13px;
  color: var(--violet);
}

.pd-query {
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 版本对照 ---------- */
.pd-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 14px;
}

.pd-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

.pd-legend-dot--old {
  background: var(--dim);
}

.pd-legend-dot--new {
  background: var(--cyan);
}

.pd-legend-sep {
  width: 18px;
}

.cmp {
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  box-shadow: var(--hard);
  overflow: hidden;
}

.cmp-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  outline: none;
  transition: background-color 0.2s, box-shadow 0.2s;
}

.cmp-row:last-child {
  border-bottom: 0;
}

.cmp-row:nth-child(odd) {
  background: var(--pd-tint);
}

.cmp-row:hover,
.cmp-row:focus-visible {
  background: rgba(0, 240, 200, 0.07);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.cmp-key {
  font-family: var(--head);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--text);
}

.cmp-vals {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.cmp-old,
.cmp-new {
  font-size: 13px;
  line-height: 1.6;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.cmp-old {
  color: var(--muted);
  background: rgba(109, 128, 149, 0.08);
}

.cmp-old::before {
  content: "旧 ";
  color: var(--dim);
}

.cmp-new {
  color: var(--cyan);
  background: rgba(0, 240, 200, 0.08);
  border-color: rgba(0, 240, 200, 0.4);
}

.cmp-new::before {
  content: "新 ";
  color: var(--glow);
}

.cmp-note {
  display: block;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.28s ease, opacity 0.28s ease;
}

.cmp-row:hover .cmp-note,
.cmp-row:focus-visible .cmp-note {
  max-height: 160px;
  opacity: 1;
}

.pd-cmp-figure {
  margin-top: clamp(18px, 3vw, 28px);
}

/* ---------- 全宽数据带 ---------- */
.pd-band-section {
  margin-top: clamp(34px, 6vw, 72px);
}

.pd-band {
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(120deg, rgba(0, 240, 200, 0.12), rgba(122, 92, 255, 0.14) 55%, rgba(255, 107, 44, 0.1));
  box-shadow: var(--hard);
  padding: clamp(16px, 3vw, 26px);
}

.pd-band-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
}

.pd-band .band-num {
  display: block;
  font-size: clamp(22px, 3vw, 30px);
  color: var(--text);
  letter-spacing: -0.02em;
}

.pd-band .band-label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- 公告与回放 ---------- */
.pd-replay-list li {
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.75;
}

.pd-replay-list strong {
  color: var(--cyan);
}

.pd-journal-cta {
  border: 2px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--panel);
  box-shadow: var(--hard);
  padding: 20px;
}

.pd-cta-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.pd-cta-text {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- 下载专区 ---------- */
.dl-tabs {
  margin-bottom: 6px;
}

.dl-table {
  width: 100%;
  border-collapse: collapse;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--hard);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.dl-caption {
  text-align: left;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  background: var(--layer);
}

.dl-table th[scope="row"],
.dl-table td {
  text-align: left;
  padding: 13px 14px;
  font-size: 14.5px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.dl-table tr:last-child th,
.dl-table tr:last-child td {
  border-bottom: 0;
}

.dl-table th[scope="row"] {
  font-weight: 500;
  color: var(--text);
}

.dl-table td.mono {
  font-size: 13px;
  color: var(--cyan);
  white-space: nowrap;
}

.dl-table td.mono + .mono {
  color: var(--muted);
}

.pd-dl-figure {
  margin-top: clamp(18px, 3vw, 28px);
}

/* ---------- 四步路径 ---------- */
.pd-path-svg {
  display: block;
  width: 100%;
  height: 96px;
  margin: 4px 0 18px;
}

.pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

.pd-step {
  position: relative;
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  box-shadow: var(--hard-violet);
  padding: 18px 18px 16px 22px;
}

.pd-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: var(--cyan);
  border-radius: 2px;
}

.pd-step-no {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.pd-step-title {
  margin: 6px 0 8px;
  font-family: var(--head);
  font-size: 19px;
  letter-spacing: 0.01em;
}

.pd-step p {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--text);
}

.pd-step-rule {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  padding-top: 9px;
}

.pd-steps-figure {
  margin-top: clamp(18px, 3vw, 28px);
}

/* ---------- 适用场景 ---------- */
.pd-audience .card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pd-audience .card-title {
  font-family: var(--head);
  font-size: 18px;
  letter-spacing: 0.01em;
}

.pd-audience .card-body p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- 规格速查 ---------- */
.pd-spec-table td,
.pd-spec-table th {
  white-space: nowrap;
}

.pd-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.pd-copy-hint {
  font-size: 13px;
}

.pd-notice {
  margin-top: clamp(20px, 3vw, 30px);
}

.pd-notice p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 收尾 ---------- */
.pd-outro {
  margin-bottom: clamp(30px, 6vw, 70px);
}

.pd-outro-inner {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(122, 92, 255, 0.18), rgba(0, 240, 200, 0.1));
  box-shadow: var(--hard);
  padding: clamp(20px, 4vw, 38px);
  display: grid;
  gap: 20px;
}

.pd-outro-title {
  margin: 8px 0 10px;
  font-family: var(--head);
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.pd-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .pd-band-inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .cmp-row {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.5fr);
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
  }

  .cmp-vals {
    display: contents;
  }

  .cmp-note {
    grid-column: 1 / -1;
    padding-left: 0;
  }

  .cmp-old,
  .cmp-new {
    padding: 7px 12px;
  }

  .pd-split {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .pd-steps-figure .figure-frame,
  .pd-cmp-figure .figure-frame {
    max-width: 760px;
  }
}

@media (min-width: 1040px) {
  .pd-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .pd-layout {
    grid-template-columns: var(--pd-rail) minmax(0, 1fr);
    align-items: start;
  }

  .pd-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    border-right: 2px solid var(--line);
    padding-right: 16px;
  }

  .pd-rail-links {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-products .pd-rail-links .rail-link {
    width: 100%;
    border-radius: 8px;
    border-color: transparent;
    text-align: left;
  }

  .pd-rail-note {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cmp-note,
  .cmp-row,
  .page-products .pd-rail-links .rail-link {
    transition: none;
  }
}
</final>