.page-products {
  --pp-line: rgba(227, 220, 205, .16);
  --pp-line-ink: rgba(14, 27, 44, .14);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .prod-crumb {
  padding-top: 18px;
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(44px, 7vw, 92px);
  background:
    radial-gradient(circle at 84% 6%, rgba(53, 224, 208, .12), transparent 44%),
    radial-gradient(circle at 8% 88%, rgba(255, 122, 47, .08), transparent 46%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(227, 220, 205, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(227, 220, 205, .055) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 78%);
  pointer-events: none;
}

.page-products .prod-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
}

.page-products .prod-hero__main .eyebrow {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .18em;
  margin: 0 0 10px;
}

.page-products .prod-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(46px, 10vw, 104px);
  line-height: .92;
  letter-spacing: -.02em;
  margin: 0 0 22px;
  color: var(--paper);
}

.page-products .prod-hero__title span {
  color: var(--signal);
}

.page-products .prod-hero__lead {
  max-width: 34em;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.85;
  margin: 0 0 26px;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .prod-hero__aside {
  border-top: 1px solid var(--pp-line);
  padding-top: 18px;
}

.page-products .prod-hero__code {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--stone);
  margin: 0 0 14px;
}

.page-products .prod-hero__facts {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-products .prod-hero__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--pp-line);
}

.page-products .prod-hero__fact dt {
  font-size: 13px;
  color: var(--stone);
}

.page-products .prod-hero__fact dd {
  margin: 0;
  font-size: 20px;
  color: var(--paper);
}

/* ---------- 通用区块 ---------- */
.page-products .prod-section {
  padding: clamp(48px, 7vw, 96px) 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .prod-section--ink {
  background: var(--ink-800);
}

.page-products .prod-section--deep {
  background: var(--ink-900);
}

.page-products .prod-section--paper {
  background: var(--paper);
  color: var(--ink-900);
  border-bottom: 1px solid var(--pp-line-ink);
}

.page-products .prod-head {
  max-width: 720px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .prod-head .eyebrow {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-products .prod-head--paper .eyebrow {
  color: var(--clay);
}

.page-products .prod-head__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.24;
  letter-spacing: .01em;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-products .prod-head--paper .prod-head__title {
  color: var(--ink-900);
}

.page-products .prod-head__sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .prod-head--paper .prod-head__sub {
  color: var(--ink-700);
}

/* ---------- 图片容器 ---------- */
.page-products .prod-figure {
  margin: 0;
  padding: 10px;
  background: var(--ink-700);
  border: 1px solid var(--pp-line);
  box-shadow: 12px 12px 0 rgba(0, 0, 0, .18);
}

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

.page-products .prod-figure__cap {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-products .prod-figure--paper {
  background: var(--paper-shadow);
  border-color: var(--pp-line-ink);
  box-shadow: 12px 12px 0 rgba(14, 27, 44, .07);
}

.page-products .prod-figure--paper .prod-figure__cap {
  color: var(--ink-700);
}

/* ---------- 服务清单 ---------- */
.page-products .prod-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
}

.page-products .prod-figure--catalog {
  align-self: start;
}

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

.page-products .svctabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .svctabs__bar {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-bottom: 1px solid var(--pp-line);
  scrollbar-width: thin;
}

.page-products .svctabs__tab {
  flex: 0 0 auto;
  padding: 12px 14px 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--stone);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-products .svctabs__tab .mono {
  color: var(--cyan);
  font-size: 11px;
}

.page-products .svctabs__tab:hover {
  color: var(--paper);
}

.page-products #svc-1:checked ~ .svctabs__bar .svctabs__tab[for="svc-1"],
.page-products #svc-2:checked ~ .svctabs__bar .svctabs__tab[for="svc-2"],
.page-products #svc-3:checked ~ .svctabs__bar .svctabs__tab[for="svc-3"],
.page-products #svc-4:checked ~ .svctabs__bar .svctabs__tab[for="svc-4"],
.page-products #svc-5:checked ~ .svctabs__bar .svctabs__tab[for="svc-5"] {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-products .svctabs__panels {
  padding-top: 22px;
}

.page-products .svctabs__panel {
  display: none;
}

.page-products #svc-1:checked ~ .svctabs__panels .svctabs__panel:nth-child(1),
.page-products #svc-2:checked ~ .svctabs__panels .svctabs__panel:nth-child(2),
.page-products #svc-3:checked ~ .svctabs__panels .svctabs__panel:nth-child(3),
.page-products #svc-4:checked ~ .svctabs__panels .svctabs__panel:nth-child(4),
.page-products #svc-5:checked ~ .svctabs__panels .svctabs__panel:nth-child(5) {
  display: block;
  animation: ppFade .22s var(--ease) both;
}

@keyframes ppFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-products .svctabs__name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--paper);
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-products .svctabs__count {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .1em;
}

.page-products .svctabs__use {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .svctabs__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .svctabs__list li {
  position: relative;
  padding: 11px 0 11px 22px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  border-bottom: 1px solid rgba(227, 220, 205, .08);
}

.page-products .svctabs__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 19px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
}

/* ---------- 格式选择 ---------- */
.page-products .fmt {
  min-width: 0;
}

.page-products .fmt__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .fmt__switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .fmt__pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--ink-700);
  background: transparent;
  border: 1px solid rgba(14, 27, 44, .26);
  cursor: pointer;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.page-products .fmt__pill .mono {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--clay);
}

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

.page-products #fmt-pdf:checked ~ .fmt__switch .fmt__pill[for="fmt-pdf"],
.page-products #fmt-csv:checked ~ .fmt__switch .fmt__pill[for="fmt-csv"] {
  color: var(--ink-900);
  border-color: var(--signal);
  background: rgba(255, 122, 47, .16);
}

.page-products .fmt__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .fmt__card {
  padding: 22px 20px 20px;
  background: var(--paper-shadow);
  border-left: 3px solid rgba(14, 27, 44, .22);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-products #fmt-pdf:checked ~ .fmt__cols .fmt__card--pdf,
.page-products #fmt-csv:checked ~ .fmt__cols .fmt__card--csv {
  border-left-color: var(--signal);
  background: #EFE9DE;
}

.page-products .fmt__tag {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--clay);
  margin: 0 0 10px;
}

.page-products .fmt__name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--ink-900);
}

.page-products .fmt__size {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink-700);
  margin: 0 0 14px;
}

.page-products .fmt__desc {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-products .fmt__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .fmt__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-900);
}

.page-products .fmt__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--clay);
}

.page-products .prod-figure--fmt {
  margin-top: clamp(22px, 3.5vw, 36px);
}

/* ---------- 导出流程 ---------- */
.page-products .prod-figure--flow {
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-products .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: flowstep;
}

.page-products .flow__item {
  background: var(--ink-700);
  border-left: 2px solid rgba(53, 224, 208, .5);
  transition: border-color .18s var(--ease);
}

.page-products .flow__item[open] {
  border-left-color: var(--signal);
}

.page-products .flow__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .flow__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
  line-height: 1;
}

.page-products .flow__item[open] .flow__summary::after {
  content: "−";
  color: var(--signal);
}

.page-products .flow__num {
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .flow__title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .flow__meta {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--stone);
  white-space: nowrap;
}

.page-products .flow__body {
  padding: 0 18px 18px 18px;
  border-top: 1px solid rgba(227, 220, 205, .1);
}

.page-products .flow__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .flow__fields {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--moss);
  line-height: 1.7;
}

.page-products .flow__note {
  margin: 22px 0 0;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  background: rgba(31, 51, 80, .7);
  border-left: 2px solid var(--signal);
}

/* ---------- 客户端 ---------- */
.page-products .prod-figure--client {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-products .plat {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-products .plat__card {
  padding: 20px 18px 24px;
  background: var(--ink-800);
  border-top: 1px solid var(--pp-line);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-products .plat__card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .28);
}

.page-products .plat__ver {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--signal);
  margin: 0 0 12px;
}

.page-products .plat__name {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-products .plat__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .plat__where {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--stone);
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pp-line);
}

/* ---------- 使用场景 ---------- */
.page-products .scenes-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 38px);
  align-items: start;
}

.page-products .scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .scene {
  padding: 18px 0 18px 20px;
  border-left: 2px solid rgba(194, 112, 90, .45);
  border-bottom: 1px solid var(--pp-line-ink);
}

.page-products .scene:last-child {
  border-bottom: none;
}

.page-products .scene .tag {
  display: inline-block;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .08em;
}

.page-products .scene__title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--ink-900);
}

.page-products .scene__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-products .prod-figure--scene {
  align-self: start;
}

/* ---------- 指路条 ---------- */
.page-products .prod-route {
  padding: clamp(36px, 5vw, 64px) 0 clamp(48px, 6vw, 80px);
  background: var(--ink-700);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .prod-route__bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 16px;
  padding: 20px 22px;
  text-decoration: none;
  color: var(--paper);
  background: var(--ink-900);
  border: 1px solid var(--pp-line);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-products .prod-route__bar:hover {
  border-color: var(--signal);
  background: #101F32;
}

.page-products .prod-route__lead {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--signal);
  grid-column: 1 / -1;
}

.page-products .prod-route__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .prod-route__arrow {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan);
  justify-self: end;
}

.page-products .prod-route__more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--stone);
}

.page-products .prod-route__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, .4);
  padding-bottom: 1px;
}

.page-products .prod-route__more a:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .prod-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 24px;
  }

  .page-products .fmt__cols {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-products .plat {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .flow__summary {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .85fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-products .prod-hero__aside {
    border-top: none;
    border-left: 1px solid var(--pp-line);
    padding-top: 0;
    padding-left: clamp(20px, 3vw, 34px);
  }

  .page-products .prod-hero__facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .prod-split {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
    align-items: start;
  }

  .page-products .prod-figure--catalog {
    position: sticky;
    top: 96px;
  }

  .page-products .scenes-wrap {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  }

  .page-products .prod-route__bar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 18px;
    padding: 24px 28px;
  }

  .page-products .prod-route__lead {
    grid-column: auto;
    white-space: nowrap;
  }
}

@media (min-width: 1080px) {
  .page-products .plat {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .plat__card:nth-child(1) {
    padding-bottom: 44px;
  }

  .page-products .plat__card:nth-child(2) {
    margin-top: 30px;
    padding-bottom: 60px;
  }

  .page-products .plat__card:nth-child(3) {
    margin-top: 12px;
    padding-bottom: 36px;
  }

  .page-products .plat__card:nth-child(4) {
    margin-top: 46px;
    padding-bottom: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products #svc-1:checked ~ .svctabs__panels .svctabs__panel:nth-child(1),
  .page-products #svc-2:checked ~ .svctabs__panels .svctabs__panel:nth-child(2),
  .page-products #svc-3:checked ~ .svctabs__panels .svctabs__panel:nth-child(3),
  .page-products #svc-4:checked ~ .svctabs__panels .svctabs__panel:nth-child(4),
  .page-products #svc-5:checked ~ .svctabs__panels .svctabs__panel:nth-child(5) {
    animation: none;
  }

  .page-products .plat__card:hover {
    transform: none;
  }
}