.page-products {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  letter-spacing: 0.01em;
  padding-bottom: 72px;
  overflow-x: hidden;
}

.page-products h2,
.page-products h3 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products p {
  margin: 0;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-products .breadcrumb__sep {
  margin: 0 8px;
  color: var(--rule);
}

/* ---------- 首屏 ---------- */
.page-products .page-head {
  padding: 16px 0 32px;
  border-bottom: 1px solid var(--rule);
}

.page-products .page-head__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-products .page-head__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(28px, 7vw, 50px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  max-width: 16em;
}

.page-products .page-head__lead {
  max-width: 38em;
  font-size: 15px;
  color: #33404F;
}

/* ---------- 主题带 + 筛选 ---------- */
.page-products .svc-band {
  margin-top: 32px;
  background: var(--ink);
  color: var(--paper);
  border-top: 2px solid var(--cinnabar);
}

.page-products .svc-band__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 22px;
  padding-bottom: 22px;
}

.page-products .svc-band__lead {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-products .svc-band__kicker {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .svc-band__value {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper-tint);
}

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

.page-products .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  color: inherit;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 0;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-products .svc-band .chip {
  color: rgba(247, 244, 236, 0.72);
  border-color: rgba(247, 244, 236, 0.32);
}

.page-products .svc-band .chip:hover {
  color: var(--paper);
  border-color: rgba(247, 244, 236, 0.7);
}

.page-products .chip__count {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.72;
}

.page-products .svc-band .chip[aria-pressed="true"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: #FFFFFF;
}

.page-products .dl-tabs .chip {
  color: var(--muted);
  border-color: var(--rule);
  background: transparent;
}

.page-products .dl-tabs .chip:hover {
  color: var(--ink);
  border-color: var(--ink);
  background: var(--paper-2);
}

.page-products .dl-tabs .chip[aria-pressed="true"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: #FFFFFF;
}

.page-products .chip:focus-visible,
.page-products .btn:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-products .chip:active {
  transform: translateY(1px);
}

/* ---------- 图片通用 ---------- */
.page-products .figure {
  margin: 0;
}

.page-products .figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
  border: 1px solid var(--rule);
}

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

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

.page-products .svc-media {
  margin-top: 28px;
}

/* ---------- 双栏主体 ---------- */
.page-products .svc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  margin-top: 44px;
}

.page-products .section--flush .section__head {
  margin-bottom: 18px;
}

.page-products .section__head {
  margin-bottom: 22px;
}

.page-products .section__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-products .section__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 4.6vw, 30px);
  line-height: 1.3;
}

.page-products .section__desc {
  max-width: 40em;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 服务条目 ---------- */
.page-products .ledger {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--rule);
}

.page-products .ledger__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 16px 12px 16px 10px;
  border-top: 1px solid var(--rule);
  transition: background var(--t-fast) var(--ease);
}

.page-products .ledger__item:hover {
  background: var(--cinnabar-tint);
}

.page-products .ledger__no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--copper);
  letter-spacing: 0.04em;
}

.page-products .ledger__body {
  min-width: 0;
}

.page-products .ledger__title {
  margin: 0 0 4px;
  font-size: 17px;
  line-height: 1.5;
}

.page-products .ledger__desc {
  font-size: 14px;
  color: #4A5665;
}

.page-products .ledger__item .tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 8px;
}

.page-products .tag {
  display: inline-block;
  padding: 2px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.6;
  border: 1px solid currentColor;
}

.page-products .tag--cinnabar {
  color: var(--cinnabar-dark);
  background: var(--cinnabar-tint);
  border-color: rgba(192, 54, 44, 0.35);
}

.page-products .tag--copper {
  color: var(--copper);
  background: var(--copper-tint);
  border-color: rgba(46, 107, 94, 0.3);
}

/* ---------- 侧栏 ---------- */
.page-products .svc-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .aside-box {
  padding: 16px 18px;
  border: 1px solid var(--rule);
  background: #FFFFFF;
}

.page-products .aside-box--tint {
  background: var(--copper-tint);
  border-color: rgba(46, 107, 94, 0.28);
}

.page-products .aside-box--quiet {
  background: var(--paper-2);
}

.page-products .aside-box--links {
  background: transparent;
  border-style: dashed;
}

.page-products .aside-box__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

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

.page-products .aside-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 13px;
}

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

.page-products .aside-list__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .aside-list__val {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  text-align: right;
}

.page-products .aside-code {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-products .aside-note {
  font-size: 13px;
  color: #4A5665;
}

.page-products .aside-meta {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

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

.page-products .aside-links li {
  padding: 7px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 13px;
}

.page-products .aside-links li:last-child {
  border-bottom: 0;
}

.page-products .aside-links a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .aside-links a:hover,
.page-products .aside-links a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 按钮 ---------- */
.page-products .btn {
  display: inline-block;
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.5;
  cursor: pointer;
  border-radius: 0;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-products .btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.page-products .btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.page-products .btn:active {
  transform: translateY(1px);
}

/* ---------- 下载区块 ---------- */
.page-products .dl-section {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}

.page-products .dl-tabs {
  margin-bottom: 20px;
}

.page-products .dl-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .dl-slot {
  padding: 18px 18px 16px;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--ink);
  background: #FFFFFF;
  transition: border-top-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-products .dl-slot:hover {
  border-top-color: var(--cinnabar);
  background: var(--cinnabar-tint);
}

.page-products .dl-slot__os {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--copper);
}

.page-products .dl-slot__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.4;
}

.page-products .dl-slot__desc {
  font-size: 14px;
  color: #4A5665;
}

.page-products .dl-slot__meta {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-products .dl-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 28px;
}

/* ---------- 安装步骤 ---------- */
.page-products .steps {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .steps::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 18px;
  bottom: 20px;
  width: 1px;
  background: var(--rule);
}

.page-products .step {
  position: relative;
  border: 1px solid var(--rule);
  background: #FFFFFF;
  transition: border-color var(--t-fast) var(--ease);
}

.page-products .step[open] {
  border-color: var(--copper);
}

.page-products .step__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .step__no {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--paper);
  background: var(--ink);
  transition: background var(--t-fast) var(--ease);
}

.page-products .step[open] .step__no {
  background: var(--cinnabar);
}

.page-products .step__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-products .step__cue {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--muted);
  transition: transform var(--t-mid) var(--ease);
}

.page-products .step[open] .step__cue {
  transform: rotate(45deg);
  color: var(--cinnabar);
}

.page-products .step__panel {
  padding: 0 16px 16px 56px;
  font-size: 14px;
  color: #4A5665;
}

/* ---------- 资料库路径 ---------- */
.page-products .lb-section {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}

.page-products .lb-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-products .path {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-products .path__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--rule);
}

.page-products .path__item:last-child {
  border-bottom: 1px solid var(--rule);
}

.page-products .path__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
}

.page-products .path__title {
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.5;
}

.page-products .path__body p {
  font-size: 14px;
  color: #4A5665;
}

/* ---------- 适配 ---------- */
.page-products .fit-section {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}

.page-products .fit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-products .fit-list {
  margin: 0 0 16px;
}

.page-products .fit-list__row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--rule);
}

.page-products .fit-list__row:last-child {
  border-bottom: 1px solid var(--rule);
}

.page-products .fit-list__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-products .fit-list__row dd {
  margin: 0;
  font-size: 14px;
  color: #33404F;
}

.page-products .note {
  font-size: 13px;
  color: var(--muted);
  padding-left: 12px;
  border-left: 2px solid var(--copper);
}

.page-products .fit-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .fit-svg__frame {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2.5;
}

.page-products .fit-svg__screen {
  fill: var(--paper-2);
  stroke: none;
}

.page-products .fit-svg__rail {
  fill: var(--ink);
}

.page-products .fit-svg__line {
  fill: var(--rule);
}

.page-products .fit-svg__foot {
  fill: var(--ink);
  opacity: 0.7;
}

.page-products .fit-svg__link {
  stroke: var(--cinnabar);
  stroke-width: 2;
  stroke-dasharray: 4 4;
}

/* ---------- 自查 ---------- */
.page-products .check-section {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--rule);
}

.page-products .check-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

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

.page-products .checklist__item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 14px;
  border: 1px solid var(--rule);
  border-bottom: 0;
  background: #FFFFFF;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .checklist__item:last-child {
  border-bottom: 1px solid var(--rule);
}

.page-products .checklist__item:hover {
  background: var(--copper-tint);
  border-color: rgba(46, 107, 94, 0.35);
}

.page-products .checklist__mark {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1.5px solid var(--copper);
}

.page-products .checklist__mark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--copper);
  border-bottom: 2px solid var(--copper);
  transform: rotate(42deg);
}

.page-products .checklist__title {
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.5;
}

.page-products .checklist__item p {
  font-size: 14px;
  color: #4A5665;
}

.page-products .check-foot {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  color: #4A5665;
}

.page-products .check-foot a {
  color: var(--cinnabar-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
}

.page-products .check-foot a:hover,
.page-products .check-foot a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar-dark);
}

/* ---------- 显现 ---------- */
.page-products .reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
}

.page-products .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 700px) {
  .page-products .svc-band__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }

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

  .page-products .dl-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
  }

  .page-products .lb-grid,
  .page-products .fit-grid,
  .page-products .check-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
  }

  .page-products .ledger__item {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    align-items: start;
    padding: 18px 14px;
  }

  .page-products .ledger__no {
    grid-row: auto;
  }

  .page-products .ledger__item .tag {
    grid-column: 3;
    justify-self: end;
    margin-top: 4px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-products {
    padding-bottom: 96px;
  }

  .page-products .svc-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 48px;
    align-items: start;
  }

  .page-products .svc-aside {
    position: sticky;
    top: 76px;
  }

  .page-products .page-head {
    padding: 22px 0 40px;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .page-products .reveal {
    opacity: 1;
    transform: none;
  }
}