.page-products {
  --prod-ink-soft: rgba(30, 42, 58, 0.74);
  --prod-hair: rgba(30, 42, 58, 0.14);
  --prod-teal-wash: rgba(47, 107, 94, 0.09);
  --prod-gold-wash: rgba(176, 141, 87, 0.15);
  display: block;
}

.page-products figure {
  margin: 0;
}

.page-products .prod-crumb {
  padding: 18px 0 0;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding: 10px 0 46px;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 30px;
}

.page-products .prod-hero__h1 {
  margin: 10px 0 0;
  font-family: var(--tb-font-head);
  font-size: clamp(2.2rem, 8.4vw, 4.5rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--tb-ink);
}

.page-products .prod-hero__h1sub {
  display: block;
  margin-top: 8px;
  font-size: 0.46em;
  line-height: 1.2;
  color: var(--tb-copper);
  letter-spacing: 0.02em;
}

.page-products .prod-hero__lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--prod-ink-soft);
}

.page-products .prod-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 30px 0 0;
  padding: 0;
}

.page-products .prod-stats__item {
  padding-top: 10px;
  border-top: 2px solid var(--tb-gold);
}

.page-products .prod-stats dt {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--prod-ink-soft);
}

.page-products .prod-stats dd {
  margin: 4px 0 0;
  font-family: var(--tb-font-head);
  font-size: 1.3rem;
  color: var(--tb-ink);
}

.page-products .prod-stats dd .tb-num {
  font-size: 1.7rem;
  color: var(--tb-copper);
}

.page-products .prod-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

.page-products .prod-hero__figure .tb-media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--prod-hair);
}

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

.page-products .tb-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 章节通用 ---------- */
.page-products .prod-section {
  padding: 50px 0;
}

.page-products .prod-section--index {
  background: rgba(214, 204, 184, 0.45);
}

.page-products .prod-section--verify {
  background: var(--tb-paper-deep);
}

.page-products .prod-section--auth {
  background:
    linear-gradient(135deg, var(--prod-teal-wash) 0%, rgba(74, 63, 107, 0.07) 100%);
}

.page-products .prod-head {
  max-width: 44rem;
  margin-bottom: 28px;
}

.page-products .prod-head h2 {
  margin: 8px 0 0;
  font-family: var(--tb-font-head);
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  line-height: 1.14;
  color: var(--tb-ink);
}

.page-products .prod-head__lead {
  margin: 14px 0 0;
  line-height: 1.8;
  color: var(--prod-ink-soft);
}

.page-products .prod-split__lead {
  margin: 14px 0 18px;
  line-height: 1.8;
  color: var(--prod-ink-soft);
}

/* ---------- 折页目录卡 ---------- */
.page-products .prod-stack {
  display: grid;
  gap: 14px;
}

.page-products .prod-fold {
  position: relative;
  border: 1px solid var(--prod-hair);
  border-radius: 14px;
  background: var(--tb-paper);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-products .prod-fold::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--tb-copper), var(--tb-gold));
}

.page-products .prod-fold:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 107, 94, 0.42);
  box-shadow: 0 10px 24px rgba(30, 42, 58, 0.1);
}

.page-products .prod-fold[open] {
  border-color: rgba(47, 107, 94, 0.48);
}

.page-products .prod-fold__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 14px;
  padding: 18px 18px 18px 24px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .prod-fold__sum:focus-visible {
  outline: 2px solid var(--tb-copper-lit);
  outline-offset: -2px;
}

.page-products .prod-fold__sum::after {
  content: "＋";
  grid-column: 3;
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--tb-font-mono);
  font-size: 1.05rem;
  color: var(--tb-copper);
}

.page-products .prod-fold[open] .prod-fold__sum::after {
  content: "－";
}

.page-products .prod-fold__idx {
  grid-row: 1 / span 2;
  font-size: 1.15rem;
  color: var(--tb-gold);
  letter-spacing: 0.06em;
}

.page-products .prod-fold__name {
  font-family: var(--tb-font-head);
  font-size: 1.2rem;
  color: var(--tb-ink);
}

.page-products .prod-fold__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .prod-fold__body {
  padding: 0 20px 22px 24px;
  border-top: 1px dashed rgba(176, 141, 87, 0.4);
  margin-top: 2px;
  padding-top: 16px;
  line-height: 1.8;
  color: var(--prod-ink-soft);
}

.page-products .prod-fold__body p {
  margin: 0;
}

.page-products .prod-fold__link {
  margin-top: 14px;
}

.page-products .prod-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .prod-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9375rem;
}

.page-products .prod-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 2px;
  background: var(--tb-gold);
}

.page-products .prod-link {
  display: inline-block;
  font-size: 0.9375rem;
  color: var(--tb-copper);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 107, 94, 0.45);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .prod-link:hover,
.page-products .prod-link:focus-visible {
  color: var(--tb-copper-lit);
  border-color: var(--tb-copper-lit);
}

/* ---------- 稳定版入口区 ---------- */
.page-products .prod-split {
  display: grid;
  gap: 30px;
}

.page-products .prod-split__figure {
  margin-top: 22px;
}

.page-products .prod-split__figure .tb-media {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--prod-hair);
}

.page-products .prod-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: prodstep;
  display: grid;
  gap: 14px;
}

.page-products .prod-steps__item {
  position: relative;
  padding: 20px 20px 20px 70px;
  border: 1px solid var(--prod-hair);
  border-radius: 12px;
  background: rgba(232, 225, 211, 0.72);
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.page-products .prod-steps__item::before {
  counter-increment: prodstep;
  content: counter(prodstep, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 20px;
  min-width: 32px;
  padding: 4px 6px;
  border-radius: 8px;
  background: var(--tb-copper);
  color: var(--tb-paper);
  font-family: var(--tb-font-mono);
  font-size: 0.8125rem;
  text-align: center;
}

.page-products .prod-steps__item:hover {
  transform: translateX(3px);
  border-color: var(--tb-copper-lit);
  background: var(--prod-teal-wash);
}

.page-products .prod-steps__title {
  margin: 0 0 6px;
  font-family: var(--tb-font-head);
  font-size: 1.1rem;
  color: var(--tb-ink);
}

.page-products .prod-steps__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--prod-ink-soft);
}

/* ---------- 比价验资区 ---------- */
.page-products .prod-verify__grid {
  display: grid;
  gap: 26px;
}

.page-products .prod-verify__figure .tb-media {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(176, 141, 87, 0.4);
}

.page-products .prod-table__caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 10px;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--prod-ink-soft);
}

.page-products .prod-verify__table .tb-table {
  min-width: 620px;
}

.page-products .prod-verify__table .tb-note {
  margin-top: 16px;
}

/* ---------- 库存与网点交叉区 ---------- */
.page-products .prod-cross__grid {
  display: grid;
  gap: 20px;
  margin-bottom: 26px;
}

.page-products .prod-cross__figure .tb-media {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--prod-hair);
}

.page-products .prod-cross__table .tb-table {
  min-width: 720px;
}

/* ---------- 授权流程区 ---------- */
.page-products .prod-flow {
  margin: 0 0 28px;
  padding: 22px 18px;
  border: 1px solid rgba(47, 107, 94, 0.28);
  border-radius: 16px;
  background: rgba(232, 225, 211, 0.6);
}

.page-products .prod-flow__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .prod-flow__node rect {
  fill: rgba(47, 107, 94, 0.1);
  stroke: var(--tb-copper);
  stroke-width: 2;
}

.page-products .prod-flow__node:hover rect {
  fill: rgba(58, 157, 138, 0.18);
}

.page-products .prod-flow__lv {
  font-family: var(--tb-font-mono);
  font-size: 15px;
  letter-spacing: 0.12em;
  fill: var(--tb-gold);
}

.page-products .prod-flow__nm {
  font-family: var(--tb-font-head);
  font-size: 24px;
  fill: var(--tb-ink);
}

.page-products .prod-flow__cd {
  font-family: var(--tb-font-mono);
  font-size: 14px;
  fill: var(--tb-copper);
}

.page-products .prod-flow__arrow {
  fill: var(--tb-copper-lit);
}

.page-products .prod-flow__axis {
  stroke: var(--tb-sand);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.page-products .prod-flow__tick {
  stroke: var(--tb-gold);
  stroke-width: 2;
}

.page-products .prod-levels {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-products .prod-levels__item {
  padding: 18px 20px;
  border-left: 3px solid var(--tb-violet);
  background: rgba(232, 225, 211, 0.55);
  border-radius: 0 12px 12px 0;
}

.page-products .prod-levels__tag {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--tb-violet);
}

.page-products .prod-levels__title {
  margin: 6px 0 8px;
  font-family: var(--tb-font-head);
  font-size: 1.08rem;
  color: var(--tb-ink);
}

.page-products .prod-levels__item p:last-child {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--prod-ink-soft);
}

/* ---------- 后续页面 ---------- */
.page-products .prod-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .prod-links__link {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--prod-hair);
  border-radius: 12px;
  background: var(--tb-paper);
  text-decoration: none;
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

.page-products .prod-links__link:hover,
.page-products .prod-links__link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--tb-copper);
  box-shadow: 0 8px 20px rgba(30, 42, 58, 0.09);
}

.page-products .prod-links__name {
  font-family: var(--tb-font-head);
  font-size: 1.08rem;
  color: var(--tb-copper);
}

.page-products .prod-links__desc {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--prod-ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .prod-section {
    padding: 62px 0;
  }

  .page-products .prod-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-cross__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-products .prod-verify__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

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

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

@media (min-width: 1000px) {
  .page-products .prod-hero {
    padding: 22px 0 64px;
  }

  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 46px;
  }

  .page-products .prod-split {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .prod-fold__sum {
    grid-template-columns: auto minmax(0, 1fr) auto;
    padding: 20px 24px 20px 28px;
  }

  .page-products .prod-fold__tags {
    justify-content: flex-end;
  }

  .page-products .prod-fold__body {
    padding-left: 28px;
    padding-right: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-fold,
  .page-products .prod-steps__item,
  .page-products .prod-links__link {
    transition: none;
  }

  .page-products .prod-fold:hover,
  .page-products .prod-steps__item:hover,
  .page-products .prod-links__link:hover {
    transform: none;
  }
}