.page-products {
  --pd-line: rgba(201, 210, 220, .16);
  --pd-line-soft: rgba(201, 210, 220, .09);
  --pd-line-dark: rgba(10, 18, 32, .14);
  --pd-line-dark-soft: rgba(10, 18, 32, .08);
}

.page-products h1 {
  font-size: clamp(31px, 6.4vw, 61px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 12px 0 16px;
}

.page-products h2 {
  font-size: clamp(24px, 3.6vw, 39px);
  line-height: 1.18;
  letter-spacing: -.01em;
  margin: 0 0 12px;
}

.page-products h3 {
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.35;
  margin: 0 0 8px;
}

.page-products p {
  margin: 0 0 12px;
}

.page-products a {
  color: inherit;
}

.page-products .pd-sec {
  padding: 64px 0;
}

.page-products .pd-sec--dash,
.page-products .pd-sec--numbering,
.page-products .pd-sec--consult,
.page-products .pd-sec--install,
.page-products .pd-sec--check {
  background: var(--ink-900);
}

.page-products .pd-sec--numbering {
  background: linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 62%);
  border-top: 1px solid var(--pd-line-soft);
  border-bottom: 1px solid var(--pd-line-soft);
}

.page-products .pd-sec--paper {
  background: var(--paper-050);
  color: var(--ink-900);
}

.page-products .pd-sechead {
  max-width: 66ch;
  margin-bottom: 32px;
}

.page-products .pd-sechead__num {
  display: block;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--gold-500);
  margin-bottom: 10px;
}

.page-products .pd-sec--paper .pd-sechead__num {
  color: var(--slate-600);
}

.page-products .pd-sechead p {
  color: var(--silver-300);
  max-width: 62ch;
}

.page-products .pd-sec--paper .pd-sechead p {
  color: var(--slate-600);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  background: var(--ink-900);
  padding: 24px 0 48px;
  border-bottom: 1px solid var(--pd-line);
}

.page-products .pd-hero__grid {
  row-gap: 32px;
  align-items: start;
}

.page-products .pd-hero__lead .lead {
  color: var(--silver-300);
  max-width: 56ch;
}

.page-products .pd-index {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-index li {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--pd-line-soft);
}

.page-products .pd-index__num {
  font-size: 13px;
  color: var(--gold-500);
  letter-spacing: .08em;
}

.page-products .pd-index a {
  color: var(--white);
  text-decoration: none;
  font-size: 16px;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-products .pd-index a:hover,
.page-products .pd-index a:focus-visible {
  border-bottom-color: var(--gold-500);
}

.page-products .pd-index__meta {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate-600);
  text-align: right;
}

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

.page-products .pd-fig {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--pd-line);
  background: var(--ink-950);
}

.page-products .pd-fig img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pd-fig--43 { aspect-ratio: 4 / 3; }
.page-products .pd-fig--45 { aspect-ratio: 4 / 5; }
.page-products .pd-fig--73 { aspect-ratio: 7 / 3; }
.page-products .pd-fig--107 { aspect-ratio: 10 / 7; }
.page-products .pd-fig--41 { aspect-ratio: 4 / 1; }

.page-products .pd-sec--paper .pd-fig {
  border-color: var(--pd-line-dark);
  background: #E7E3DA;
}

.page-products .pd-fig__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--slate-600);
}

.page-products .pd-hero__fig .media-frame {
  margin: 0;
}

/* ---------- 仪表板 ---------- */
.page-products .pd-dash {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pd-dash__cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px 20px 18px;
  background: var(--navy-800);
  border: 1px solid var(--pd-line);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-products .pd-dash__cell::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-500) 0%, rgba(217, 138, 43, 0) 78%);
}

.page-products .pd-dash__tag {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate-600);
}

.page-products .pd-dash__cell h3 {
  margin: 4px 0 0;
}

.page-products .pd-dash__num {
  font-size: clamp(28px, 4vw, 39px);
  line-height: 1.05;
  color: var(--white);
  margin: 10px 0 0;
  font-variant-numeric: tabular-nums;
}

.page-products .pd-dash__unit {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate-600);
  margin: 2px 0 12px;
}

.page-products .pd-dash__cell .kv {
  display: grid;
  grid-template-columns: auto auto;
  gap: 6px 12px;
  margin: 0 0 14px;
  padding-top: 10px;
  border-top: 1px solid var(--pd-line-soft);
}

.page-products .pd-dash__cell .kv dt {
  font-size: 13px;
  color: var(--slate-600);
  letter-spacing: .04em;
}

.page-products .pd-dash__cell .kv dd {
  margin: 0;
  text-align: right;
  font-size: 13px;
  color: var(--white);
}

.page-products .pd-dash__state {
  margin: 0 0 14px;
}

.page-products .pd-dash__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-250);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 206, 149, .38);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pd-dash__link:hover,
.page-products .pd-dash__link:focus-visible {
  color: var(--gold-500);
  border-bottom-color: var(--gold-500);
}

/* ---------- 编号 ---------- */
.page-products .pd-num__grid {
  row-gap: 32px;
}

.page-products .pd-num__fig .media-frame {
  margin: 0;
}

.page-products .pd-code {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 8px;
  padding: 20px 18px;
  margin: 0 0 24px;
  background: var(--ink-950);
  border: 1px solid var(--pd-line);
}

.page-products .pd-code__seg {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px 12px 10px;
  border-bottom: 2px solid var(--gold-500);
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pd-code__seg:hover {
  background: rgba(217, 138, 43, .1);
  border-bottom-color: var(--gold-250);
}

.page-products .pd-code__val {
  font-size: clamp(20px, 3vw, 25px);
  color: var(--white);
  letter-spacing: .02em;
}

.page-products .pd-code__seg em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--slate-600);
}

.page-products .pd-code__dash {
  color: var(--slate-600);
  font-family: var(--font-mono);
  padding-bottom: 14px;
}

.page-products .pd-example {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  margin-bottom: 24px;
  background: var(--navy-800);
  border: 1px solid var(--pd-line);
}

.page-products .pd-example__label {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate-600);
  margin: 0;
  width: 100%;
}

.page-products .pd-example__value {
  font-size: clamp(20px, 3.4vw, 31px);
  color: var(--white);
  margin: 0;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--gold-500);
  padding-bottom: 4px;
}

.page-products .pd-example__state {
  margin: 0;
}

.page-products .pd-ledger {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0 0 32px;
  background: var(--pd-line-soft);
  border: 1px solid var(--pd-line-soft);
}

.page-products .pd-ledger__item {
  background: var(--ink-900);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pd-ledger dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate-600);
}

.page-products .pd-ledger dd {
  margin: 0;
  font-size: clamp(18px, 2.6vw, 25px);
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-sub {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--gold-500);
  margin: 0 0 16px;
}

.page-products .pd-steps {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-steps__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pd-line-soft);
}

.page-products .pd-steps__num {
  font-size: 15px;
  color: var(--gold-500);
  letter-spacing: .06em;
  padding-top: 2px;
}

.page-products .pd-steps__title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  margin: 0 0 6px;
}

.page-products .pd-steps__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver-300);
  margin: 0;
  max-width: 62ch;
}

.page-products .pd-inline-link {
  font-size: 14px;
  color: var(--slate-600);
  margin: 0;
}

.page-products .pd-inline-link a {
  color: var(--gold-250);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 206, 149, .38);
}

.page-products .pd-inline-link a:hover,
.page-products .pd-inline-link a:focus-visible {
  border-bottom-color: var(--gold-500);
  color: var(--gold-500);
}

/* ---------- 洽谈 ---------- */
.page-products .pd-consult__grid {
  row-gap: 32px;
  align-items: start;
}

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

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

.page-products .pd-flow__num {
  display: block;
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--gold-500);
  margin-bottom: 6px;
}

.page-products .pd-flow__step p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver-300);
  margin: 0;
  max-width: 60ch;
}

.page-products .pd-flow--v .pd-flow__step {
  padding: 0 0 26px 26px;
  border-left: 1px solid var(--pd-line);
}

.page-products .pd-flow--v .pd-flow__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .pd-flow--v .pd-flow__step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--gold-500);
}

.page-products .pd-panel {
  background: var(--navy-800);
  border: 1px solid var(--pd-line);
  padding: 20px;
  box-shadow: var(--shadow-panel);
}

.page-products .pd-panel__tag {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold-250);
  margin: 0 0 14px;
}

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

.page-products .pd-list li {
  position: relative;
  padding: 10px 0 10px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver-300);
  border-bottom: 1px dashed var(--pd-line-soft);
}

.page-products .pd-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 1px;
  background: var(--gold-500);
}

.page-products .pd-note {
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate-600);
  margin: 18px 0;
}

.page-products .pd-note--paper {
  color: var(--slate-600);
  max-width: 68ch;
}

.page-products .pd-note--paper a {
  color: var(--ink-900);
  border-bottom: 1px solid var(--gold-500);
  text-decoration: none;
}

.page-products .pd-consult__aside .btn {
  margin-top: 4px;
}

/* ---------- 参数表 ---------- */
.page-products .pd-params__fig {
  margin: 0 0 32px;
}

.page-products .pp-board,
.page-products .pf-board {
  position: relative;
}

.page-products .pp-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 88px));
  gap: 8px;
  align-items: center;
}

.page-products .pp-board input,
.page-products .pf-board input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pp-board label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--slate-600);
  border-bottom: 1px solid var(--pd-line-dark);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pp-board input:checked + label {
  color: var(--ink-900);
  border-bottom: 2px solid var(--gold-500);
}

.page-products .pp-board input:focus-visible + label,
.page-products .pf-board input:focus-visible + label {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

.page-products .pp-hint {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate-600);
  margin: 6px 0 20px;
}

.page-products .pd-tablewrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pd-line-dark);
  background: #FBFAF6;
}

.page-products .pd-table__cap {
  caption-side: top;
  text-align: left;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--slate-600);
  padding: 12px 14px 0;
}

.page-products .pd-param-table,
.page-products .pd-zone-table {
  width: 100%;
  border-collapse: collapse;
}

.page-products .pd-param-table {
  min-width: 860px;
}

.page-products .pd-zone-table {
  min-width: 720px;
}

.page-products .pd-param-table th,
.page-products .pd-param-table td,
.page-products .pd-zone-table th,
.page-products .pd-zone-table td {
  padding: 11px 14px;
  text-align: left;
  font-size: 13.5px;
  line-height: 1.6;
  border-bottom: 1px solid var(--pd-line-dark-soft);
  vertical-align: top;
}

.page-products .pd-param-table thead th,
.page-products .pd-zone-table thead th {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--slate-600);
  border-bottom: 1px solid var(--pd-line-dark);
  white-space: nowrap;
  background: #F4F1EA;
}

.page-products .pd-param-table tbody th[scope="rowgroup"] {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: .04em;
  border-right: 1px solid var(--pd-line-dark-soft);
  background: rgba(10, 18, 32, .03);
}

.page-products .pd-param-table tbody th[scope="row"],
.page-products .pd-zone-table tbody th[scope="row"] {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-900);
  letter-spacing: .06em;
  white-space: nowrap;
}

.page-products .pd-zone-table td {
  color: var(--slate-600);
}

.page-products .pd-zone-table td.num {
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-products .pd-param-table tbody tr:hover,
.page-products .pd-zone-table tbody tr:hover {
  background: rgba(217, 138, 43, .07);
}

.page-products .pd-param-table .mono,
.page-products .pd-zone-table .mono {
  font-variant-numeric: tabular-nums;
}

/* 精度切换 */
.page-products .pp-board #pp-overview:checked ~ .pd-tablewrap .pc-std,
.page-products .pp-board #pp-overview:checked ~ .pd-tablewrap .pc-eng {
  display: none;
}

.page-products .pp-board #pp-standard:checked ~ .pd-tablewrap .pc-ovw,
.page-products .pp-board #pp-standard:checked ~ .pd-tablewrap .pc-eng {
  display: none;
}

.page-products .pp-board #pp-engineering:checked ~ .pd-tablewrap .pc-ovw,
.page-products .pp-board #pp-engineering:checked ~ .pd-tablewrap .pc-std {
  display: none;
}

/* ---------- 安装响应 ---------- */
.page-products .pd-install__grid {
  row-gap: 32px;
  align-items: start;
}

.page-products .pd-install__fig .media-frame {
  margin: 0;
}

.page-products .pd-tiers {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-tiers__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pd-line-soft);
}

.page-products .pd-tiers__key {
  display: inline-block;
  align-self: start;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ink-950);
  background: var(--gold-500);
  padding: 4px 10px;
  justify-self: start;
}

.page-products .pd-tiers__item h3 {
  margin: 0 0 6px;
}

.page-products .pd-tiers__item p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver-300);
  margin: 0;
  max-width: 60ch;
}

/* ---------- 分区索引 ---------- */
.page-products .pd-zones__fig {
  margin: 0 0 28px;
}

.page-products .pf-board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
  gap: 8px;
}

.page-products .pf-board label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-900);
  border: 1px solid rgba(10, 18, 32, .2);
  background: transparent;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-products .pf-board label:hover {
  border-color: var(--ink-900);
}

.page-products .pf-board input:checked + label {
  background: var(--ink-900);
  color: var(--paper-050);
  border-color: var(--ink-900);
  box-shadow: inset 0 -2px 0 var(--gold-500);
}

.page-products .pf-board .pd-tablewrap {
  grid-column: 1 / -1;
  margin-top: 12px;
}

.page-products .pd-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  min-height: 32px;
  padding: 4px 10px;
  opacity: .5;
  transition: opacity .18s var(--ease);
}

.page-products .pd-zone-table tbody tr:hover .pd-copy,
.page-products .pd-copy:focus-visible {
  opacity: 1;
}

.page-products .pd-cell-copy {
  white-space: nowrap;
}

.page-products .pd-cell-copy .copy-status {
  margin-left: 8px;
}

/* 分区筛选 */
.page-products .pf-board #pf-a01:checked ~ .pd-tablewrap tbody tr:not(.z-a01),
.page-products .pf-board #pf-a02:checked ~ .pd-tablewrap tbody tr:not(.z-a02),
.page-products .pf-board #pf-a03:checked ~ .pd-tablewrap tbody tr:not(.z-a03),
.page-products .pf-board #pf-a04:checked ~ .pd-tablewrap tbody tr:not(.z-a04),
.page-products .pf-board #pf-a05:checked ~ .pd-tablewrap tbody tr:not(.z-a05),
.page-products .pf-board #pf-a06:checked ~ .pd-tablewrap tbody tr:not(.z-a06),
.page-products .pf-board #pf-a07:checked ~ .pd-tablewrap tbody tr:not(.z-a07),
.page-products .pf-board #pf-a08:checked ~ .pd-tablewrap tbody tr:not(.z-a08),
.page-products .pf-board #pf-a09:checked ~ .pd-tablewrap tbody tr:not(.z-a09),
.page-products .pf-board #pf-a10:checked ~ .pd-tablewrap tbody tr:not(.z-a10),
.page-products .pf-board #pf-a11:checked ~ .pd-tablewrap tbody tr:not(.z-a11),
.page-products .pf-board #pf-a12:checked ~ .pd-tablewrap tbody tr:not(.z-a12) {
  display: none;
}

/* ---------- 三步核对路径 ---------- */
.page-products .pd-sec--check {
  background: var(--ink-950);
}

.page-products .pd-flow--h {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .pd-flow--h .pd-flow__step {
  padding: 20px 18px;
  border: 1px solid var(--pd-line);
  background: var(--ink-900);
  box-shadow: var(--shadow-panel);
}

.page-products .pd-flow--h .pd-flow__step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 34px;
  background: var(--gold-500);
}

.page-products .pd-check__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

@media (min-width: 560px) {
  .page-products .pd-ledger {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pd-tiers__item {
    grid-template-columns: 96px 1fr;
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 768px) {
  .page-products .pd-sec {
    padding: var(--section-gap) 0;
  }

  .page-products .pd-hero {
    padding: 32px 0 64px;
  }

  .page-products .pd-dash {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-products .pd-flow--h {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pd-sechead {
    margin-bottom: 44px;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-hero__fig {
    padding-top: 8px;
  }

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

  .page-products .pd-code {
    padding: 26px 24px;
    gap: 10px;
  }
}

@media (hover: none) {
  .page-products .pd-copy {
    opacity: 1;
  }

  .page-products .pd-zone-table tbody tr:hover {
    background: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition: none !important;
    animation: none !important;
  }

  .page-products .pd-copy {
    opacity: 1;
  }
}