.page-products {
  --prod-hair: rgba(58, 43, 34, 0.14);
  --prod-hair-light: rgba(255, 249, 240, 0.16);
  --prod-cut: 16px;
  background: var(--paper);
  color: var(--ink);
}

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

.page-products .prod-note {
  margin: 0.75rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--brown);
  max-width: 58ch;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.25rem, 5vw, 3.75rem);
  background: linear-gradient(180deg, var(--paper) 0%, #F0E5D3 100%);
  overflow: hidden;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(58, 43, 34, 0.055) 0 1px, transparent 1px 28px);
  pointer-events: none;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--red) 0%, var(--orange) 42%, var(--sand) 74%, rgba(216, 166, 87, 0) 100%);
}

.page-products .prod-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

.page-products .prod-hero__copy h1 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.8vw, 3.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 16ch;
}

.page-products .prod-lede {
  margin: 1rem 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  color: var(--brown);
}

.page-products .prod-lede strong {
  font-weight: 700;
  color: var(--red-deep);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .prod-hero__facts {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  border-top: 1px solid var(--prod-hair);
  border-bottom: 1px solid var(--prod-hair);
}

.page-products .prod-hero__facts li {
  padding: 0.7rem 0.5rem 0.7rem 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--brown);
  overflow-wrap: anywhere;
}

.page-products .prod-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3.4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--red-deep);
}

.page-products .prod-hero__frame {
  position: relative;
  margin: 0;
  border: 1px solid rgba(58, 43, 34, 0.26);
  border-top: 3px solid var(--red);
  background: var(--night);
  box-shadow: -12px 12px 0 -1px rgba(226, 58, 46, 0.14);
}

.page-products .prod-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(225deg, var(--sand) 0 50%, rgba(216, 166, 87, 0) 50%);
  pointer-events: none;
}

@media (min-width: 960px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

/* ---------- 核对流程（深色） ---------- */
.page-products .prod-check {
  position: relative;
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  background: var(--ink);
  color: var(--white);
}

.page-products .prod-check::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--sand) 0 16px, transparent 16px 34px);
  opacity: 0.55;
}

.page-products .prod-check h2 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.8vw, 2.45rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--white);
  max-width: 24ch;
}

.page-products .prod-check .prod-note {
  color: var(--cold);
}

.page-products .prod-steps {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
}

.page-products .prod-step {
  position: relative;
  padding: 1.15rem 1.05rem 1.35rem;
  background: rgba(36, 59, 58, 0.72);
  border: 1px solid var(--prod-hair-light);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .prod-step:hover,
.page-products .prod-step:focus-within {
  background: rgba(36, 59, 58, 0.98);
  border-color: var(--orange);
  transform: translateY(-3px);
}

.page-products .prod-step__idx {
  display: inline-block;
  padding-bottom: 0.3rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--sand);
  border-bottom: 1px solid rgba(216, 166, 87, 0.5);
}

.page-products .prod-step h3 {
  margin: 0.7rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-products .prod-step p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.78;
  color: var(--cold);
}

.page-products .prod-check__figure {
  margin: clamp(1.75rem, 3vw, 2.5rem) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  align-items: center;
}

.page-products .prod-check__shot {
  margin: 0;
  border: 1px solid var(--prod-hair-light);
  border-left: 3px solid var(--ice);
  background: var(--night);
}

.page-products .prod-check__cap {
  align-self: stretch;
}

.page-products .prod-check__cap-label {
  display: inline-block;
  margin-bottom: 0.6rem;
  padding: 0.18rem 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--sand);
}

.page-products .prod-check__cap p {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--cold);
}

.page-products .prod-check__cap p:last-child {
  margin-bottom: 0;
}

@media (min-width: 620px) {
  .page-products .prod-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .prod-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-step:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -0.55rem;
    top: 2.4rem;
    width: 0.7rem;
    height: 1px;
    background: var(--orange);
    opacity: 0.7;
  }
}

@media (min-width: 860px) {
  .page-products .prod-check__figure {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }
}

/* ---------- 模块清单 ---------- */
.page-products .prod-modules {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  background: var(--paper);
}

.page-products .prod-modules__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.75rem);
  align-items: start;
}

.page-products .prod-modules__intro h2 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.8vw, 2.35rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .prod-modules__intro p {
  margin: 0.85rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--brown);
  max-width: 34ch;
}

.page-products .prod-modules__hint {
  font-size: 0.72rem !important;
  letter-spacing: 0.12em;
  color: var(--red-deep) !important;
}

.page-products .prod-mod {
  border-top: 1px solid var(--prod-hair);
}

.page-products .prod-mod:last-child {
  border-bottom: 1px solid var(--prod-hair);
}

.page-products .prod-mod summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 0.2rem;
  transition: padding-left var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .prod-mod summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-mod summary h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.7vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .prod-mod summary:hover,
.page-products .prod-mod summary:focus-visible {
  padding-left: 0.6rem;
  outline: none;
}

.page-products .prod-mod summary:hover h3,
.page-products .prod-mod summary:focus-visible h3,
.page-products .prod-mod[open] summary h3 {
  color: var(--red-deep);
}

.page-products .prod-mod__mark {
  flex: none;
  position: relative;
  width: 18px;
  height: 18px;
  border: 1px solid var(--red);
  background: rgba(226, 58, 46, 0.06);
}

.page-products .prod-mod__mark::before,
.page-products .prod-mod__mark::after {
  content: "";
  position: absolute;
  background: var(--red);
}

.page-products .prod-mod__mark::before {
  left: 50%;
  top: 3px;
  bottom: 3px;
  width: 1px;
  transform: translateX(-50%);
}

.page-products .prod-mod__mark::after {
  top: 50%;
  left: 3px;
  right: 3px;
  height: 1px;
  transform: translateY(-50%);
}

.page-products .prod-mod[open] .prod-mod__mark::before {
  opacity: 0;
}

.page-products .prod-mod__body {
  padding: 0 0.2rem 1.2rem 2.05rem;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--brown);
}

.page-products .prod-mod__body p {
  margin: 0 0 0.5rem;
}

.page-products .prod-mod__body p:last-child {
  margin-bottom: 0;
}

.page-products .prod-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0.7rem 0 0;
  padding: 0;
}

.page-products .prod-chips li {
  padding: 0.18rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--brown);
  background: var(--paper-2);
  border: 1px solid var(--prod-hair);
}

@media (min-width: 960px) {
  .page-products .prod-modules__grid {
    grid-template-columns: minmax(0, 0.4fr) minmax(0, 0.6fr);
  }
}

/* ---------- 适用场景（深色） ---------- */
.page-products .prod-scenes {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  background: var(--ink);
  color: var(--white);
}

.page-products .prod-scenes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 3vw, 2.75rem);
  align-items: center;
}

.page-products .prod-scenes h2 {
  margin: 0.4rem 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.8vw, 2.35rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-products .prod-scene {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  column-gap: 0.85rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--prod-hair-light);
}

.page-products .prod-scene:last-child {
  border-bottom: 1px solid var(--prod-hair-light);
}

.page-products .prod-scene__idx {
  grid-row: span 2;
  padding-top: 0.15rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-products .prod-scene h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

.page-products .prod-scene p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--cold);
}

.page-products .prod-scenes__figure {
  margin: 0;
  border: 1px solid var(--prod-hair-light);
  border-bottom: 3px solid var(--orange);
  background: var(--night);
}

@media (min-width: 900px) {
  .page-products .prod-scenes__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }
}

/* ---------- 版本演进 ---------- */
.page-products .prod-versions {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  background: var(--paper);
}

.page-products .prod-versions__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 3vw, 2.75rem);
  align-items: start;
}

.page-products .prod-versions h2 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.8vw, 2.35rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .prod-timeline {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0 0 0 1.5rem;
  position: relative;
}

.page-products .prod-timeline::before {
  content: "";
  position: absolute;
  left: 0.3rem;
  top: 0.5rem;
  bottom: 0.8rem;
  width: 2px;
  background: linear-gradient(180deg, var(--red) 0%, var(--orange) 55%, var(--sand) 100%);
}

.page-products .prod-vitem {
  position: relative;
  padding-bottom: 1.35rem;
}

.page-products .prod-vitem:last-child {
  padding-bottom: 0;
}

.page-products .prod-vitem::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 0.45rem;
  width: 9px;
  height: 9px;
  background: var(--paper);
  border: 2px solid var(--red);
  transform: rotate(45deg);
}

.page-products .prod-ver {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--red-deep);
}

.page-products .prod-vitem h3 {
  margin: 0.22rem 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .prod-vitem p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--brown);
}

.page-products .prod-compat {
  padding: 1.15rem 1.1rem 1.25rem;
  background: var(--paper-2);
  border: 1px solid var(--prod-hair);
  border-left: 3px solid var(--sand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--prod-cut)), calc(100% - var(--prod-cut)) 100%, 0 100%);
}

.page-products .prod-compat__label {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--red-deep);
}

.page-products .prod-compat__list {
  list-style: none;
  margin: 0.8rem 0 0;
  padding: 0;
}

.page-products .prod-compat__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--brown);
  border-bottom: 1px dashed var(--prod-hair);
}

.page-products .prod-compat__list li:last-child {
  border-bottom: 0;
}

.page-products .prod-compat__v {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-products .prod-compat__note {
  margin: 0.8rem 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--brown);
}

.page-products .prod-versions__figure {
  margin: 1.25rem 0 0;
  border: 1px solid var(--prod-hair);
  background: var(--paper-2);
}

@media (min-width: 920px) {
  .page-products .prod-versions__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

/* ---------- 获取支持（深色收尾） ---------- */
.page-products .prod-support {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  background: linear-gradient(160deg, var(--ink) 0%, var(--night) 100%);
  color: var(--white);
}

.page-products .prod-support__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  padding: clamp(1.35rem, 3vw, 2.35rem);
  background: rgba(255, 249, 240, 0.045);
  border: 1px solid var(--prod-hair-light);
  border-top: 3px solid var(--red);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  align-items: start;
}

.page-products .prod-support h2 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.8vw, 2.3rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-products .prod-support__lede {
  margin: 0.85rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--cold);
  max-width: 44ch;
}

.page-products .prod-support__mail-label {
  margin: 1.4rem 0 0;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--sand);
}

.page-products .prod-support__mail {
  margin: 0.3rem 0 0;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-products .prod-checklist {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
}

.page-products .prod-checklist li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.6rem;
  padding: 0.55rem 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--cold);
  border-top: 1px solid var(--prod-hair-light);
}

.page-products .prod-checklist li .mono {
  font-size: 0.75rem;
  color: var(--orange);
}

.page-products .prod-support__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.page-products .prod-support__figure {
  margin: 0;
  border: 1px solid var(--prod-hair-light);
  background: var(--night);
}

@media (min-width: 860px) {
  .page-products .prod-support__panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(1.75rem, 3vw, 2.75rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-step,
  .page-products .prod-mod summary {
    transition: none;
  }

  .page-products .prod-step:hover,
  .page-products .prod-step:focus-within {
    transform: none;
  }
}