.page-products {
  --pc-edge: 14px;
  --pc-gap: 16px;
  --pc-pad: 20px;
}

.page-products .breadcrumb {
  margin-top: 18px;
  margin-bottom: 14px;
}

/* ---------- 首屏 ---------- */
.page-products .pc-hero {
  display: grid;
  gap: 22px;
  margin-bottom: 8px;
}

.page-products .pc-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .pc-kicker__dot {
  width: 8px;
  height: 8px;
  background: var(--orange);
  display: inline-block;
  transform: rotate(45deg);
}

.page-products .pc-hero h1 {
  margin: 0 0 16px;
  font-size: 32px;
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products .pc-hero .lede {
  margin: 0 0 20px;
}

.page-products .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pc-hero__index {
  background: var(--panel);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--pc-edge) 0 var(--pc-edge);
  padding: var(--pc-pad);
}

.page-products .pc-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-family: var(--font-mono);
}

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

.page-products .pc-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
}

.page-products .pc-index__list a:hover,
.page-products .pc-index__list a:focus-visible {
  color: var(--orange-soft);
}

.page-products .pc-index__list .mono {
  color: var(--orange);
  font-size: 12px;
}

.page-products .pc-index__status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

/* ---------- 章节公共 ---------- */
.page-products .pc-section {
  margin-top: 56px;
}

.page-products .pc-section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  margin-bottom: 22px;
}

.page-products .pc-section__head .section-num {
  font-size: 34px;
  line-height: 1;
  font-weight: 900;
  color: var(--orange);
  font-family: var(--font-mono);
}

.page-products .pc-section__headtext h2 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products .pc-section__headtext p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 38em;
}

.page-products .pc-fig {
  margin: 0 0 22px;
  border: 1px solid var(--line);
  border-radius: var(--pc-edge) 0 var(--pc-edge) 0;
  overflow: hidden;
  background: var(--panel-2);
}

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

.page-products .pc-fig figcaption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 五类服务 ---------- */
.page-products .pc-svc-grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-products .pc-svc {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: var(--pc-pad);
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.page-products .pc-svc:nth-child(odd) {
  border-radius: 0 20px 0 20px;
}

.page-products .pc-svc:nth-child(even) {
  border-radius: 20px 0 20px 0;
}

.page-products .pc-svc:hover,
.page-products .pc-svc:focus-within {
  transform: translateY(-3px);
  border-color: var(--orange);
  border-width: 2px;
  padding: calc(var(--pc-pad) - 1px);
  background: var(--panel-2);
}

.page-products .pc-svc__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-products .pc-svc__num {
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: -0.02em;
}

.page-products .pc-svc__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.3;
}

.page-products .pc-svc__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pc-svc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-products .pc-svc__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .pc-svc__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* ---------- 场景 ---------- */
.page-products .pc-scene-wrap {
  display: grid;
  gap: 20px;
}

.page-products .pc-scene-list {
  display: grid;
  gap: 2px;
}

.page-products .pc-scene {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  background: var(--panel);
  border-left: 2px solid var(--line);
  padding: 16px;
}

.page-products .pc-scene:nth-child(odd) {
  background: var(--panel-2);
}

.page-products .pc-scene__num {
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.4;
}

.page-products .pc-scene h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 900;
}

.page-products .pc-scene p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.72;
}

.page-products .pc-scene a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pc-scene a:hover {
  color: var(--orange-soft);
}

.page-products .pc-scene__result {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

/* ---------- 四步顺序 ---------- */
.page-products .pc-section--slow {
  padding: 40px 0;
  background: linear-gradient(180deg, rgba(14, 39, 64, 0.55), rgba(7, 26, 43, 0));
}

.page-products .pc-track-wrap {
  display: grid;
  gap: 24px;
  margin-bottom: 22px;
}

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

.page-products .pc-step {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--pc-edge) 0 var(--pc-edge);
  overflow: visible;
}

.page-products .pc-step:first-child {
  border-left-color: var(--orange);
}

.page-products .pc-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 33px;
  bottom: -15px;
  width: 2px;
  height: 15px;
  background: var(--line);
}

.page-products .pc-step summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pc-step summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pc-step__num {
  flex: 0 0 auto;
  width: 34px;
  font-size: 16px;
  font-weight: 700;
  color: var(--orange);
}

.page-products .pc-step__title {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
}

.page-products .pc-step__chev {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 120ms ease, border-color 120ms ease;
}

.page-products .pc-step[open] .pc-step__chev {
  transform: rotate(-135deg);
  border-color: var(--orange);
}

.page-products .pc-step__body {
  padding: 0 18px 18px 64px;
  display: grid;
  gap: 10px;
}

.page-products .pc-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .pc-step__key {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  font-size: 12px;
  background: var(--cyan);
  color: var(--ink);
  border-radius: 2px;
}

.page-products .pc-fig--steps {
  max-width: 340px;
  justify-self: center;
  width: 100%;
  border-radius: 0 24px 0 24px;
}

/* ---------- 版本里程碑 ---------- */
.page-products .pc-miles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pc-mile {
  background: var(--panel);
  border-top: 2px solid var(--line);
  padding: 16px;
  transition: border-color 120ms ease, background 120ms ease, transform 120ms ease;
}

.page-products .pc-mile:hover {
  transform: translateY(-3px);
  border-top-color: var(--cyan);
  background: var(--panel-2);
}

.page-products .pc-mile__ver {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-products .pc-mile__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text);
}

.page-products .pc-mile--current {
  border-top: 2px solid var(--orange);
  background: var(--panel-2);
  border-radius: 0 var(--pc-edge) 0 var(--pc-edge);
}

.page-products .pc-mile--current:hover {
  border-top-color: var(--orange-soft);
}

.page-products .pc-mile--current .pc-mile__ver {
  color: var(--orange);
  font-size: 18px;
}

/* ---------- 周期与时效 ---------- */
.page-products .pc-section--band {
  background: var(--paper);
  color: var(--deep);
  padding: 34px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.page-products .pc-section--band .section-num,
.page-products .pc-section--band .panel__title {
  color: var(--deep);
}

.page-products .pc-cadence {
  display: grid;
  gap: 22px;
}

.page-products .pc-cadence__intro h2 {
  margin: 8px 0 10px;
  font-size: 24px;
  font-weight: 900;
  line-height: 1.24;
}

.page-products .pc-cadence__intro p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #2a4358;
  max-width: 34em;
}

.page-products .pc-cadence__intro .section-num {
  font-size: 30px;
  color: var(--orange);
}

.page-products .pc-cycle {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pc-cycle li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(7, 26, 43, 0.06);
  border-left: 3px solid var(--orange);
}

.page-products .pc-cycle__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #4a6376;
}

.page-products .pc-cycle__value {
  font-size: 20px;
  font-weight: 700;
  color: var(--deep);
}

.page-products .pc-cycle__desc {
  font-size: 13px;
  line-height: 1.6;
  color: #2a4358;
}

.page-products .pc-sla {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pc-sla li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(7, 26, 43, 0.25);
  font-size: 14px;
  line-height: 1.65;
  color: #2a4358;
}

.page-products .pc-sla__num {
  font-size: 17px;
  font-weight: 700;
  color: var(--deep);
  min-width: 108px;
}

/* ---------- 合作 ---------- */
.page-products .pc-partner-wrap {
  display: grid;
  gap: 24px;
}

.page-products .pc-fig--ring {
  max-width: 320px;
  justify-self: center;
  width: 100%;
  border-radius: 50% 0 50% 0;
}

.page-products .pc-sub-title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 900;
  color: var(--orange-soft);
  padding-left: 10px;
  border-left: 3px solid var(--orange);
}

.page-products .pc-team {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pc-team li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pc-team .mono {
  font-size: 18px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1.4;
}

.page-products .pc-partner-text p {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.78;
  max-width: 38em;
}

.page-products .pc-partner-link a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pc-partner-link a:hover {
  color: var(--orange-soft);
}

/* ---------- 结尾 ---------- */
.page-products .pc-cta {
  margin-top: 56px;
  background: var(--panel-2);
  border-top: 2px solid var(--orange);
  padding: 32px 0;
}

.page-products .pc-cta__inner {
  display: grid;
  gap: 18px;
}

.page-products .pc-cta__title {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.3;
}

.page-products .pc-cta__inner p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 40em;
}

.page-products .pc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .pc-cta__actions .copy-btn__note {
  font-size: 13px;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pc-hero h1 {
    font-size: 42px;
  }

  .page-products .pc-section__headtext h2 {
    font-size: 28px;
  }

  .page-products .pc-svc-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-products .pc-svc {
    grid-column: span 3;
  }

  .page-products .pc-svc:nth-child(3),
  .page-products .pc-svc:nth-child(4),
  .page-products .pc-svc:nth-child(5) {
    grid-column: span 2;
  }

  .page-products .pc-cycle {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pc-sla {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pc-miles {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pc-cta__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-products .pc-hero {
    grid-template-columns: 1.55fr 0.85fr;
    align-items: start;
    gap: 30px;
  }

  .page-products .pc-hero h1 {
    font-size: 50px;
  }

  .page-products .pc-scene-wrap {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
    gap: 24px;
  }

  .page-products .pc-fig--scene {
    margin-bottom: 0;
    position: sticky;
    top: 120px;
  }

  .page-products .pc-track-wrap {
    grid-template-columns: 1.6fr 0.7fr;
    align-items: start;
    gap: 30px;
  }

  .page-products .pc-fig--steps {
    margin-bottom: 0;
    position: sticky;
    top: 120px;
    max-width: none;
  }

  .page-products .pc-miles {
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
  }

  .page-products .pc-mile {
    padding: 14px 12px;
  }

  .page-products .pc-mile__note {
    font-size: 13px;
    line-height: 1.65;
  }

  .page-products .pc-cadence {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
    gap: 28px;
  }

  .page-products .pc-cadence__intro {
    grid-row: span 2;
  }

  .page-products .pc-cycle {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pc-sla {
    grid-template-columns: repeat(2, 1fr);
    grid-column: 2;
  }

  .page-products .pc-partner-wrap {
    grid-template-columns: 0.62fr 1.38fr;
    align-items: start;
    gap: 32px;
  }

  .page-products .pc-fig--ring {
    margin-bottom: 0;
    position: sticky;
    top: 120px;
    max-width: none;
  }

  .page-products .pc-section--slow {
    padding: 52px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pc-svc,
  .page-products .pc-mile,
  .page-products .pc-step__chev {
    transition: none;
  }

  .page-products .pc-svc:hover,
  .page-products .pc-mile:hover {
    transform: none;
  }
}