.page-products {
  --pp-grid-line: rgba(44, 56, 115, .26);
  --pp-band: #101838;
  --pp-shadow-lift: 8px 8px 0 rgba(7, 12, 34, .78);
  position: relative;
  display: block;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, var(--pp-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pp-grid-line) 1px, transparent 1px);
  background-size: 34px 34px;
  color: var(--mist-050);
  font-family: var(--font-sans);
  font-weight: 400;
  padding-bottom: 8px;
  overflow-x: clip;
}

.page-products .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate-300);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .breadcrumb a {
  color: var(--slate-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--teal-400);
  border-bottom-color: var(--teal-400);
}

.page-products .breadcrumb__sep {
  color: var(--line-600);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: clamp(28px, 4vw, 48px) 0 clamp(52px, 7vw, 88px);
  border-bottom: 2px solid var(--line-600);
  position: relative;
}

.page-products .pp-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-products .pp-hero__copy {
  max-width: 46rem;
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal-400);
  margin: 0;
}

.page-products .pp-hero__title {
  font-size: clamp(42px, 9vw, 92px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 16px 0 20px;
  color: var(--mist-050);
}

.page-products .pp-hero__lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--slate-300);
  margin: 0 0 26px;
  max-width: 40rem;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

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

.page-products .pp-hero__marks li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  font-size: 13px;
  line-height: 1.4;
  color: var(--mist-050);
}

.page-products .pp-hero__marks .mono {
  font-size: 11px;
  color: var(--teal-400);
  letter-spacing: .04em;
}

.page-products .pp-hero__figure {
  margin: 0;
  position: relative;
}

.page-products .pp-hero__figure::before {
  content: "";
  position: absolute;
  top: -14px;
  right: -14px;
  width: 64px;
  height: 64px;
  border-top: 2px solid var(--orange-500);
  border-right: 2px solid var(--orange-500);
  pointer-events: none;
}

.page-products .media-frame {
  border: 2px solid var(--line-600);
  box-shadow: var(--shadow-hard);
  background: var(--ink-800);
  overflow: hidden;
}

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

.page-products .media-frame__caption {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--slate-300);
  font-family: var(--font-mono);
}

/* ---------- 通用章节 ---------- */
.page-products .pp-section {
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-products .pp-section--band {
  background: var(--pp-band);
  border-top: 2px solid var(--line-600);
  border-bottom: 2px solid var(--line-600);
}

.page-products .pp-section--last {
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-products .pp-head {
  border-bottom: 2px solid var(--line-600);
  padding-bottom: 18px;
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-products .pp-head__title {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 10px 0 12px;
  color: var(--mist-050);
}

.page-products .pp-head__lead {
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate-300);
  margin: 0;
  max-width: 66ch;
}

/* ---------- 服务索引 + 编号卡 ---------- */
.page-products .pp-svc-layout {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-products .pp-svc-index {
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
  padding: 16px 16px 18px;
}

.page-products .pp-svc-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate-300);
}

.page-products .pp-svc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pp-svc-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px 8px 10px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--mist-050);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pp-svc-index__link .mono {
  font-size: 11px;
  color: var(--slate-300);
  letter-spacing: .04em;
}

.page-products .pp-svc-index__link:hover,
.page-products .pp-svc-index__link:focus-visible {
  background: var(--ink-700);
  border-left-color: var(--orange-500);
  color: var(--mist-050);
}

.page-products .pp-svc-index__link:hover .mono,
.page-products .pp-svc-index__link:focus-visible .mono {
  color: var(--teal-400);
}

.page-products .pp-svc-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-600);
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate-300);
}

.page-products .svc-card {
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  margin-bottom: 12px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .svc-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--pp-shadow-lift);
}

.page-products .svc-card[open] {
  border-left-color: var(--orange-500);
  box-shadow: inset 4px 0 0 0 var(--orange-500), var(--shadow-hard);
}

.page-products .svc-card__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "num name toggle"
    "hook hook hook";
  align-items: center;
  gap: 6px 14px;
  padding: 18px 18px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .svc-card__summary:focus-visible {
  outline: 2px solid var(--teal-400);
  outline-offset: -4px;
}

.page-products .svc-card__num {
  grid-area: num;
  font-size: 34px;
  line-height: 1;
  font-weight: 500;
  color: var(--teal-400);
  letter-spacing: -0.02em;
}

.page-products .svc-card__name {
  grid-area: name;
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist-050);
}

.page-products .svc-card__hook {
  grid-area: hook;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-300);
}

.page-products .svc-card__toggle {
  grid-area: toggle;
  width: 22px;
  height: 22px;
  position: relative;
  flex: none;
}

.page-products .svc-card__toggle::before,
.page-products .svc-card__toggle::after {
  content: "";
  position: absolute;
  background: var(--teal-400);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-products .svc-card__toggle::before {
  top: 10px;
  left: 0;
  width: 22px;
  height: 2px;
}

.page-products .svc-card__toggle::after {
  top: 0;
  left: 10px;
  width: 2px;
  height: 22px;
}

.page-products .svc-card[open] .svc-card__toggle::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-products .svc-card__body {
  padding: 4px 18px 20px;
  border-top: 2px solid var(--line-600);
}

.page-products .svc-card__facts {
  margin: 16px 0 0;
  display: grid;
  gap: 12px;
}

.page-products .svc-card__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--teal-400);
  margin: 0;
}

.page-products .svc-card__facts dd {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-050);
}

.page-products .svc-card__facts a {
  color: var(--orange-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, .5);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .svc-card__facts a:hover,
.page-products .svc-card__facts a:focus-visible {
  color: var(--mist-050);
  border-bottom-color: var(--mist-050);
}

/* ---------- 左右分栏 ---------- */
.page-products .pp-split {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.page-products .pp-split__media {
  margin: 0;
}

.page-products .pp-split__text p {
  font-size: 15px;
  line-height: 1.7;
}

.page-products .pp-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-rules li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  padding: 14px;
  border: 2px solid var(--line-600);
  background: var(--ink-800);
}

.page-products .pp-rules__num {
  font-size: 13px;
  color: var(--orange-500);
  letter-spacing: .08em;
  padding-top: 2px;
}

.page-products .pp-rules p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-050);
}

.page-products .pp-rules strong {
  font-weight: 700;
  color: var(--mist-050);
}

.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-products .pp-steps li {
  border-left: 2px solid var(--line-600);
  padding: 2px 0 2px 16px;
}

.page-products .pp-steps__num {
  display: block;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--teal-400);
  margin-bottom: 6px;
}

.page-products .pp-steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist-050);
}

.page-products .pp-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate-300);
}

/* ---------- 分组 chip ---------- */
.page-products .pp-chip-label {
  margin: clamp(26px, 3vw, 36px) 0 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate-300);
}

.page-products .pp-group-chips {
  list-style: none;
  margin: 0;
  padding: 2px 2px 10px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line-600) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-group-chips li {
  flex: 0 0 auto;
}

.page-products .pp-group-chips span {
  display: inline-block;
  padding: 8px 14px;
  border: 2px solid var(--line-600);
  border-bottom: 3px solid var(--line-600);
  background: var(--ink-800);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--mist-050);
  transition: border-bottom-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pp-group-chips span:hover {
  border-bottom-color: var(--orange-500);
  background: var(--ink-700);
}

/* ---------- 导出格式 ---------- */
.page-products .pp-format-grid {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 3vw, 40px);
}

.page-products .pp-format-card {
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-format-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.page-products .pp-format-card__icon {
  width: 40px;
  height: 40px;
  color: var(--teal-400);
}

.page-products .pp-format-card__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-products .pp-format-card__name {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist-050);
}

.page-products .pp-format-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-050);
}

.page-products .pp-format-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-300);
}

.page-products .pp-format-card__pick {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-600);
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist-050);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .pp-format-card__pick .status {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 3px 7px;
  border: 2px solid currentColor;
  white-space: nowrap;
}

.page-products .pp-format-card__pick .status--ok {
  color: var(--teal-400);
}

.page-products .pp-wide-figure {
  margin: 0;
}

.page-products .pp-inline-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 4px solid var(--orange-500);
  background: rgba(255, 138, 61, .07);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-050);
}

/* ---------- 版本时间线 ---------- */
.page-products .pp-timeline {
  list-style: none;
  margin: 0 0 clamp(24px, 3vw, 36px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-timeline__item {
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  padding: 18px;
  border-left: 4px solid var(--line-600);
}

.page-products .pp-timeline__item--now {
  border-left-color: var(--teal-400);
}

.page-products .pp-timeline__ver {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange-500);
  margin-bottom: 8px;
}

.page-products .pp-timeline__item--now .pp-timeline__ver {
  color: var(--teal-400);
}

.page-products .pp-timeline h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist-050);
}

.page-products .pp-timeline p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate-300);
}

.page-products .pp-version-note {
  border: 2px solid var(--line-600);
  background: var(--paper-050);
  color: var(--ink-900);
  box-shadow: var(--shadow-hard);
  padding: 20px;
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-products .pp-version-note__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-700);
}

.page-products .pp-version-note__value {
  margin: 6px 0 12px;
  font-size: 40px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-products .pp-version-note__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-800);
}

.page-products .pp-version-note__text a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid var(--orange-500);
  transition: background var(--dur) var(--ease);
}

.page-products .pp-version-note__text a:hover,
.page-products .pp-version-note__text a:focus-visible {
  background: rgba(255, 138, 61, .22);
}

/* ---------- 场景组合 ---------- */
.page-products .pp-scene-grid {
  display: grid;
  gap: 12px;
}

.page-products .pp-scene-card {
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pp-scene-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.page-products .pp-scene-card__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange-500);
}

.page-products .pp-scene-card__title {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--mist-050);
}

.page-products .pp-scene-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-300);
}

.page-products .pp-scene-card__path {
  list-style: none;
  margin: 0;
  padding: 12px 0;
  border-top: 1px solid var(--line-600);
  border-bottom: 1px solid var(--line-600);
  display: grid;
  gap: 8px;
}

.page-products .pp-scene-card__path li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist-050);
}

.page-products .pp-scene-card__path .mono {
  font-size: 11px;
  color: var(--teal-400);
  letter-spacing: .06em;
}

.page-products .pp-scene-card__out {
  margin: auto 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-300);
}

/* ---------- 底部导出 ---------- */
.page-products .pp-export {
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  padding: clamp(20px, 3vw, 32px);
  display: grid;
  gap: 20px;
}

.page-products .pp-export__title {
  margin: 10px 0 10px;
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--mist-050);
}

.page-products .pp-export__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate-300);
  max-width: 44ch;
}

.page-products .pp-export__panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pp-export__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line-600);
}

.page-products .pp-export__num {
  font-size: 32px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--teal-400);
}

.page-products .pp-export__unit {
  font-size: 13px;
  color: var(--slate-300);
}

.page-products .pp-export__sep {
  width: 1px;
  height: 20px;
  background: var(--line-600);
  margin: 0 6px;
  align-self: center;
}

.page-products .pp-export__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .export-panel {
  border: 2px solid var(--line-600);
  background: var(--ink-900);
  padding: 16px;
}

.page-products .export-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate-300);
}

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

.page-products .export-panel__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-300);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pp-format-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-products .svc-card__summary {
    grid-template-columns: auto auto 1fr auto;
    grid-template-areas: "num name hook toggle";
    align-items: center;
  }

  .page-products .svc-card__facts {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 14px 18px;
    align-items: baseline;
  }

  .page-products .svc-card__facts dd {
    margin-top: 0;
  }
}

@media (min-width: 940px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-products .pp-svc-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 36px;
  }

  .page-products .pp-svc-index {
    position: sticky;
    top: 24px;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
  }

  .page-products .pp-split--reverse .pp-split__media {
    order: 2;
  }

  .page-products .pp-export {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

@media (max-width: 420px) {
  .page-products .pp-hero__title {
    font-size: clamp(34px, 12vw, 48px);
  }

  .page-products .svc-card__num {
    font-size: 28px;
  }

  .page-products .pp-format-card,
  .page-products .pp-scene-card,
  .page-products .pp-rules li {
    padding: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-card,
  .page-products .pp-format-card,
  .page-products .pp-scene-card,
  .page-products .pp-svc-index__link,
  .page-products .pp-group-chips span {
    transition: none;
  }

  .page-products .svc-card:hover,
  .page-products .pp-format-card:hover,
  .page-products .pp-scene-card:hover {
    transform: none;
  }
}
<<<END>>>