.page-products {
  background-color: var(--ink-night);
  color: var(--text-on-dark);
  font-family: var(--font-body);
}

.page-products .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-products .pc-hero {
  position: relative;
  padding: clamp(26px, 4.5vw, 58px) 0 clamp(36px, 6vw, 84px);
  border-bottom: 1px solid var(--line-graphite);
}

.page-products .pc-hero__grid {
  display: grid;
  gap: 34px;
}

.page-products .pc-hero__title {
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(30px, 5.8vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin: 14px 0 20px;
  max-width: 20ch;
}

.page-products .pc-hero__intro .lead {
  max-width: 56ch;
}

.page-products .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
}

.page-products .pc-hero__figure {
  margin: 0;
  align-self: center;
}

/* ---------- 索引表 ---------- */
.page-products .pc-svc-list,
.page-products .pc-svc__content {
  min-width: 0;
}

.page-products .pc-index__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 2px solid var(--line-graphite);
  border-radius: var(--radius);
  background-color: var(--deep-pitch);
}

.page-products .pc-index {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.5;
}

.page-products .pc-index th {
  background-color: var(--paper-light);
  color: var(--text-on-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: left;
  padding: 13px 14px;
  white-space: nowrap;
}

.page-products .pc-index td {
  padding: 15px 14px;
  border-top: 1px solid var(--line-graphite);
  vertical-align: top;
  color: var(--text-on-dark);
}

.page-products .pc-index tbody tr:nth-child(even) {
  background-color: rgba(16, 69, 58, 0.34);
}

.page-products .pc-index tbody tr:hover {
  background-color: var(--pitch-layer);
}

.page-products .pc-index__num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan-signal);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.page-products .pc-index a {
  color: var(--text-on-dark);
  text-decoration: underline;
  text-decoration-color: var(--cyan-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.page-products .pc-index a:hover {
  color: var(--cyan-signal);
}

/* ---------- 服务明细骨架 ---------- */
.page-products .pc-svc-layout {
  display: grid;
  gap: 22px;
  align-items: start;
}

.page-products .pc-svc-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-products .pc-svc-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--line-graphite);
  border-radius: var(--radius);
  background-color: var(--deep-pitch);
  color: var(--text-on-dark);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}

.page-products .pc-svc-rail__link:hover,
.page-products .pc-svc-rail__link:focus-visible {
  border-color: var(--cyan-signal);
  color: var(--cyan-signal);
}

.page-products .pc-svc-rail__num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--cyan-signal);
}

/* ---------- 折叠条目 ---------- */
.page-products .pc-svc {
  border-top: 1px solid var(--line-graphite);
}

.page-products .pc-svc:last-child {
  border-bottom: 1px solid var(--line-graphite);
}

.page-products .pc-svc__band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px 16px;
  padding: 24px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pc-svc__band::marker {
  content: "";
}

.page-products .pc-svc__band:focus-visible {
  outline: 2px solid var(--signal-orange);
  outline-offset: 2px;
  border-radius: var(--radius);
}

.page-products .pc-svc__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 6.5vw, 56px);
  line-height: 0.88;
  letter-spacing: -0.05em;
  color: var(--cyan-deep);
  transition: color 0.25s var(--ease);
}

.page-products .pc-svc[open] .pc-svc__num {
  color: var(--cyan-signal);
}

.page-products .pc-svc__bandtext {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-products .pc-svc__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.2vw, 30px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-products .pc-svc__sub {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
}

.page-products .pc-svc__toggle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-on-dark);
  border: 1px solid var(--line-graphite);
  border-radius: var(--radius);
  padding: 6px 10px;
  white-space: nowrap;
  opacity: 0.75;
}

.page-products .pc-svc__toggle::after {
  content: "展开";
}

.page-products .pc-svc[open] .pc-svc__toggle::after {
  content: "收起";
}

.page-products .pc-svc__body {
  display: grid;
  gap: 26px;
  padding: 0 0 44px;
  animation: pcReveal 0.35s var(--ease) both;
}

@keyframes pcReveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-products .pc-svc__figure {
  margin: 0;
}

.page-products .pc-svc__content p {
  font-size: 16px;
  line-height: 1.62;
  margin: 0 0 16px;
  max-width: 64ch;
}

.page-products .pc-svc__content p:last-child {
  margin-bottom: 0;
}

.page-products .pc-svc__aside {
  font-size: 14px !important;
  line-height: 1.62;
  color: var(--text-on-dark);
  opacity: 0.85;
  margin-top: 22px !important;
  padding-top: 16px;
  border-top: 1px solid var(--line-graphite);
  max-width: 62ch;
}

.page-products .pc-svc__aside a,
.page-products .pc-tail a {
  color: var(--signal-orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.page-products .pc-svc__aside a:hover,
.page-products .pc-tail a:hover {
  color: var(--amber-tick);
}

/* ---------- 事实清单 ---------- */
.page-products .pc-facts {
  margin: 24px 0 0;
  border-top: 1px solid var(--line-graphite);
}

.page-products .pc-facts__row {
  display: grid;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-graphite);
}

.page-products .pc-facts__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
}

.page-products .pc-facts__val {
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
  color: var(--text-on-dark);
}

/* ---------- 步骤与进度 ---------- */
.page-products .pc-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .pc-steps__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid var(--line-graphite);
}

.page-products .pc-steps__item:last-child {
  border-bottom: 1px solid var(--line-graphite);
}

.page-products .pc-steps__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--signal-orange);
  letter-spacing: -0.03em;
}

.page-products .pc-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  max-width: 58ch;
}

.page-products .pc-progress {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 22px 0 0;
  max-width: 420px;
}

.page-products .pc-progress__seg {
  height: 4px;
  border-radius: 2px;
  background-color: var(--line-graphite);
}

.page-products .pc-progress__seg--on {
  background-color: var(--signal-orange);
}

/* ---------- 场景匹配 ---------- */
.page-products .pc-pick {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-graphite);
}

.page-products .pc-pick__item {
  display: grid;
  gap: 10px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-graphite);
}

.page-products .pc-pick__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--cyan-signal);
}

.page-products .pc-pick__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.28;
  margin: 0;
}

.page-products .pc-pick__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.58;
  color: var(--text-on-dark);
  opacity: 0.86;
}

.page-products .pc-pick__link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal-orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  white-space: nowrap;
}

.page-products .pc-pick__link:hover,
.page-products .pc-pick__link:focus-visible {
  color: var(--amber-tick);
}

.page-products .pc-tail {
  margin: 30px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-on-dark);
  opacity: 0.86;
  max-width: 66ch;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-products .pc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: center;
  }

  .page-products .pc-svc__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pc-svc__body--flip > .pc-svc__figure {
    order: 2;
  }

  .page-products .pc-svc__body--wide {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .pc-facts__row {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-products .pc-pick__item {
    grid-template-columns: 74px minmax(0, 190px) minmax(0, 1fr) auto;
    gap: 28px;
    align-items: center;
    padding: 30px 0;
  }
}

@media (min-width: 1040px) {
  .page-products .pc-svc-layout {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 44px;
  }

  .page-products .pc-svc-rail {
    position: sticky;
    top: 96px;
  }

  .page-products .pc-svc-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pc-svc-rail__link {
    flex-direction: column;
    gap: 3px;
    border: 0;
    border-left: 2px solid var(--line-graphite);
    border-radius: 0;
    background-color: transparent;
    padding: 11px 12px;
    white-space: normal;
  }

  .page-products .pc-svc-rail__link:hover,
  .page-products .pc-svc-rail__link:focus-visible {
    border-left-color: var(--cyan-signal);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pc-svc__body {
    animation: none;
  }

  .page-products .pc-svc__num {
    transition: none;
  }
}
<<<END>>>