.page-products {
  --pp-muted: #55636D;
  --pp-tint: #F1F4F6;
  --pp-amber-tint: rgba(214, 154, 45, 0.10);
  --pp-gap: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--white);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-products .products-crumbs {
  padding: 1.5rem 0 0;
}

/* ---------- 首屏 ---------- */
.page-products .products-intro {
  padding: 1.25rem 0 clamp(2rem, 5vw, 3.25rem);
}

.page-products .products-intro__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-products .products-intro__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7.5vw, var(--fs-64));
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0.75rem 0 1rem;
  max-width: 17ch;
}

.page-products .products-intro__lede {
  max-width: 44ch;
  margin: 0 0 1.5rem;
}

.page-products .products-intro__facts {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  font-size: var(--fs-14);
  color: var(--pp-muted);
  border-top: 1px solid var(--rule);
  padding-top: 0.875rem;
}

.page-products .products-intro__facts .mono {
  color: var(--blue-deep);
  font-weight: 700;
  margin-right: 0.25rem;
}

.page-products .products-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-products .products-intro__media {
  border: 1px solid var(--rule);
  background: var(--pp-tint);
}

/* ---------- 分类索引条 ---------- */
.page-products .cat-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--ink);
  border-top: 1px solid rgba(150, 162, 171, 0.28);
  border-bottom: 1px solid rgba(150, 162, 171, 0.28);
}

.page-products .cat-bar__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.5rem 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .cat-bar__title {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--silver);
  border-right: 1px solid rgba(150, 162, 171, 0.35);
  padding-right: 1.25rem;
}

.page-products .cat-bar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
}

.page-products .cat-bar__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.65rem;
  font-size: var(--fs-14);
  color: var(--silver-soft);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.page-products .cat-bar__link .mono {
  font-size: var(--fs-12);
  color: var(--amber);
}

.page-products .cat-bar__link:hover,
.page-products .cat-bar__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--blue);
}

.page-products .cat-bar__link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* ---------- 通用章节头 ---------- */
.page-products .products-head {
  max-width: 62ch;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .products-head__lede {
  margin: 0.875rem 0 0;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--pp-muted);
}

/* ---------- 包体清单 ---------- */
.page-products .products-packs {
  background: var(--white);
}

.page-products .pack-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .pack-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}

.page-products .pack-card:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-products .pack-card:target {
  border-color: var(--amber);
  box-shadow: 0 0 0 2px var(--pp-amber-tint);
}

.page-products .pack-card__head {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
}

.page-products .pack-card__name {
  margin: 0;
}

.page-products .pack-card__desc {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.7;
  color: var(--pp-muted);
  flex: 1 1 auto;
}

.page-products .pack-card__specs {
  list-style: none;
  margin: 0;
  padding: 0.75rem 0 0;
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 0.4rem;
  font-size: var(--fs-14);
}

.page-products .pack-card__specs li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.page-products .pack-card__specs span {
  color: var(--silver);
  flex: 0 0 auto;
}

.page-products .pack-card__specs b {
  font-weight: 700;
  text-align: right;
}

.page-products .pack-card__media {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--pp-tint);
}

.page-products .pack-card__media img,
.page-products .products-intro__media img,
.page-products .products-flow__media img,
.page-products .ledger__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  max-width: 100%;
}

/* 09 常见问答横条 */
.page-products .pack-strip {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px dashed var(--rule);
  border-radius: var(--radius);
  background: var(--pp-tint);
  scroll-margin-top: 4.5rem;
}

.page-products .pack-strip__text h3 {
  margin: 0.5rem 0 0.5rem;
}

.page-products .pack-strip__text p {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.7;
  color: var(--pp-muted);
}

.page-products .pack-strip__specs {
  border-top: 1px solid var(--rule);
  padding-top: 0.75rem;
}

.page-products .pack-card[id],
.page-products .pack-strip[id] {
  scroll-margin-top: 4.5rem;
}

/* ---------- 场景组合 ---------- */
.page-products .products-scenes {
  background: var(--panel);
}

.page-products .scene-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.page-products .scene {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-products .scene__tag {
  align-self: flex-start;
}

.page-products .scene__title {
  margin: 0;
}

.page-products .scene__use {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.7;
  color: var(--pp-muted);
}

.page-products .scene__order {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.625rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.875rem 0;
}

.page-products .scene__order li {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  font-size: var(--fs-14);
  line-height: 1.6;
}

.page-products .scene__order .mono {
  color: var(--amber);
  font-size: var(--fs-12);
  font-weight: 700;
}

.page-products .scene__time {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--pp-muted);
}

.page-products .scene__time b {
  color: var(--blue-deep);
}

/* ---------- 取用步骤（深底） ---------- */
.page-products .products-flow {
  background: var(--ink);
  color: var(--white);
}

.page-products .products-flow__title {
  color: var(--white);
  margin: 0.75rem 0 2rem;
  max-width: 20ch;
}

.page-products .products-flow__grid {
  display: grid;
  gap: 2rem;
}

.page-products .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(150, 162, 171, 0.3);
}

.page-products .flow-step {
  display: flex;
  gap: 1rem;
  padding: 1.125rem 0;
  border-bottom: 1px solid rgba(150, 162, 171, 0.3);
}

.page-products .flow-step__num {
  flex: 0 0 auto;
  font-size: var(--fs-21);
  font-weight: 700;
  color: var(--amber);
  line-height: 1.3;
}

.page-products .flow-step h3 {
  margin: 0 0 0.375rem;
  color: var(--white);
}

.page-products .flow-step p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--silver-soft);
  max-width: 46ch;
}

.page-products .products-flow__media {
  border: 1px solid rgba(150, 162, 171, 0.3);
  background: var(--ink-2);
}

/* ---------- 费用与调价 ---------- */
.page-products .products-fees {
  background: var(--panel);
}

.page-products .ledger {
  background: var(--ink);
  border-radius: var(--radius);
  padding: 1.25rem;
  color: var(--white);
}

.page-products .ledger__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid rgba(150, 162, 171, 0.3);
}

.page-products .ledger__head h3 {
  margin: 0;
  color: var(--white);
}

.page-products .ledger__note {
  margin: 0;
  font-size: var(--fs-12);
  color: var(--silver);
}

.page-products .ledger-row {
  border-bottom: 1px solid rgba(150, 162, 171, 0.3);
}

.page-products .ledger-row__summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 1.125rem 0;
  cursor: pointer;
  list-style: none;
}

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

.page-products .ledger-row__summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-products .ledger-row__ver {
  font-size: var(--fs-21);
  font-weight: 700;
  color: var(--silver-soft);
}

.page-products .ledger-row__label {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-products .ledger-row__price {
  font-size: var(--fs-14);
  color: var(--white);
}

.page-products .ledger-row__toggle {
  font-size: var(--fs-12);
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .ledger-row--current .ledger-row__ver {
  color: var(--amber);
}

.page-products .ledger-row--current .ledger-row__price:first-of-type {
  color: var(--amber);
  font-size: var(--fs-21);
  font-weight: 700;
}

.page-products .ledger-row__body {
  padding: 0 0 1.25rem;
}

.page-products .ledger-row__body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--silver-soft);
  max-width: 60ch;
  border-left: 2px solid var(--orange);
  padding-left: 0.875rem;
}

.page-products .ledger__media {
  margin-top: 1.25rem;
  border: 1px solid rgba(150, 162, 171, 0.3);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-products .products-fees__link {
  margin: 1.5rem 0 0;
  font-size: var(--fs-14);
  color: var(--pp-muted);
}

.page-products .products-fees__link a,
.page-products .products-diff__foot a,
.page-products .check-aside__foot a {
  color: var(--blue-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .products-fees__link a:hover,
.page-products .products-diff__foot a:hover,
.page-products .check-aside__foot a:hover {
  color: var(--blue);
}

/* ---------- 版本对照表 ---------- */
.page-products .products-diff {
  background: var(--white);
}

.page-products .diff-scroll {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.page-products .diff-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-products .diff-table__caption {
  text-align: left;
  padding: 0.875rem 1rem;
  font-size: var(--fs-14);
  color: var(--pp-muted);
  border-bottom: 1px solid var(--rule);
}

.page-products .diff-table th,
.page-products .diff-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--rule);
}

.page-products .diff-table thead th {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--silver);
  background: var(--pp-tint);
  white-space: nowrap;
}

.page-products .diff-table__num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.page-products .diff-table__pick {
  text-align: center;
  width: 72px;
}

.page-products .diff-row:last-child td {
  border-bottom: 1px solid var(--rule);
}

.page-products .diff-row:has(.diff-check:checked) {
  background: var(--pp-amber-tint);
}

.page-products .diff-table tfoot td {
  font-weight: 700;
  background: var(--pp-tint);
  border-bottom: none;
}

.page-products .diff-check {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--amber);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  display: inline-grid;
  place-content: center;
  vertical-align: middle;
  transition: background-color var(--dur-1) var(--ease);
}

.page-products .diff-check::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--ink);
  border-radius: 1px;
  transform: scale(0);
  transition: transform var(--dur-1) var(--ease);
}

.page-products .diff-check:checked {
  background: var(--amber);
}

.page-products .diff-check:checked::after {
  transform: scale(1);
}

.page-products .diff-check:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-products .products-diff__foot {
  margin: 1.25rem 0 0;
  font-size: var(--fs-14);
  color: var(--pp-muted);
}

/* ---------- 核对与排查 ---------- */
.page-products .products-check {
  background: var(--white);
}

.page-products .products-check__grid {
  display: grid;
  gap: 2rem;
}

.page-products .check-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.page-products .check-list li {
  border-left: 3px solid var(--blue);
  padding-left: 1rem;
}

.page-products .check-list h3 {
  margin: 0 0 0.375rem;
}

.page-products .check-list p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--pp-muted);
  max-width: 52ch;
}

.page-products .check-aside {
  background: var(--pp-tint);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.5rem;
  align-self: start;
}

.page-products .check-aside__title {
  margin: 0 0 0.875rem;
}

.page-products .check-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-products .check-aside__list li {
  position: relative;
  padding-left: 1.125rem;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--pp-muted);
}

.page-products .check-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border: 2px solid var(--amber);
  border-radius: 50%;
}

.page-products .check-aside__foot {
  margin: 1.25rem 0 0;
  padding-top: 0.875rem;
  border-top: 1px solid var(--rule);
  font-size: var(--fs-14);
  color: var(--pp-muted);
}

/* ---------- 结尾 ---------- */
.page-products .products-cta {
  background: var(--ink);
  color: var(--white);
}

.page-products .products-cta__inner {
  display: grid;
  gap: 1.75rem;
}

.page-products .products-cta__title {
  color: var(--white);
  margin: 0.75rem 0 0.875rem;
  max-width: 22ch;
}

.page-products .products-cta__lede {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--silver-soft);
  max-width: 48ch;
}

.page-products .products-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-self: center;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .ledger-row__summary {
    grid-template-columns: 5.5rem 6.5rem 1fr 1fr auto;
    align-items: baseline;
    gap: 1rem;
  }

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

@media (min-width: 900px) {
  .page-products .products-intro__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 3rem;
  }

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

  .page-products .products-flow__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-products .products-check__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 3.5rem;
  }

  .page-products .products-cta__inner {
    grid-template-columns: minmax(0, 1.6fr) auto;
    align-items: center;
    gap: 3rem;
  }
}

@media (min-width: 1080px) {
  .page-products .pack-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1.125rem;
  }

  .page-products .pack-card {
    grid-column: span 2;
  }

  .page-products .pack-card--wide {
    grid-column: span 3;
  }
}

@media (max-width: 480px) {
  .page-products .products-intro__title {
    max-width: none;
  }

  .page-products .cat-bar__title {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pack-card,
  .page-products .diff-check,
  .page-products .diff-check::after,
  .page-products .cat-bar__link {
    transition: none;
  }

  .page-products .pack-card:hover {
    transform: none;
  }
}