.page-products {
  --tools-rail-pad: max(var(--gut), calc((100vw - var(--shell)) / 2));
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-products .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-products .breadcrumb__link:hover,
.page-products .breadcrumb__link:focus-visible {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
}

.page-products .breadcrumb__item.breadcrumb__current {
  color: var(--paper);
}

.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 10px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-products .tools-intro {
  position: relative;
  padding-top: clamp(24px, 5vw, 56px);
  padding-bottom: clamp(28px, 5vw, 48px);
}

.page-products .tools-intro::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--aqua), transparent);
  opacity: .45;
  pointer-events: none;
}

.page-products .tools-intro__grid {
  display: grid;
  gap: 24px;
}

.page-products .tools-intro h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 9vw, 76px);
  font-weight: 500;
  line-height: .98;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .tools-intro__lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-products .tools-intro__anchor {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 18px;
  border-left: 2px solid var(--amber);
}

.page-products .tools-intro__anchor-num {
  font-family: var(--font-mono);
  font-size: clamp(48px, 12vw, 96px);
  line-height: .85;
  letter-spacing: -.02em;
  color: var(--amber);
}

.page-products .tools-intro__anchor-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-products .tools-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 5vw, 44px) 0 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .tools-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px 18px;
  background: var(--navy-800);
}

.page-products .tools-stats .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

.page-products .tools-stats .stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

.page-products .tools-jump {
  display: flex;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .tools-jump::-webkit-scrollbar {
  display: none;
}

.page-products .tools-jump__link {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}

.page-products .tools-jump__link:hover,
.page-products .tools-jump__link:focus-visible {
  color: var(--ink);
  background: var(--aqua);
  border-color: var(--aqua);
}

/* ---------- 分类横向索引条 ---------- */
.page-products .tools-cats__rail {
  display: flex;
  gap: 12px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 2px var(--tools-rail-pad) 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-products .tools-cats__rail::-webkit-scrollbar {
  height: 6px;
}

.page-products .tools-cats__rail::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 3px;
}

.page-products .tools-cat__cell {
  flex: 0 0 min(76vw, 240px);
  display: flex;
  scroll-snap-align: start;
}

.page-products .tools-cat {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px 18px;
  background: var(--navy-800);
  border: 1px solid var(--line);
  border-left: 2px solid var(--aqua-deep);
  color: var(--paper);
  text-decoration: none;
  transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
}

.page-products .tools-cat:hover,
.page-products .tools-cat:focus-visible {
  transform: translateY(-3px);
  background: var(--navy-700);
  border-left-color: var(--amber);
  outline: none;
}

.page-products .tools-cat__no {
  position: absolute;
  top: 12px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--line);
}

.page-products .tools-cat__prefix {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-products .tools-cat__name {
  font-size: 15px;
  color: var(--paper);
}

.page-products .tools-cat__meta {
  margin-top: 6px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-products .tools-cats__figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

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

.page-products .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 统计表 ---------- */
.page-products .tools-table__caption {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-products .table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  background: var(--navy-800);
}

.page-products .tools-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .tools-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 16px;
  background: var(--navy-700);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--amber);
  text-align: left;
  white-space: nowrap;
}

.page-products .tools-table tbody th {
  padding: 12px 16px;
  font-weight: 400;
  text-align: left;
  white-space: nowrap;
  color: var(--paper);
}

.page-products .tools-table tbody td {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  color: var(--paper);
  white-space: nowrap;
}

.page-products .tools-table tbody tr:nth-child(even) {
  background: var(--navy-700);
}

.page-products .tools-table tbody tr:hover {
  background: rgba(47, 224, 208, .07);
}

.page-products .tools-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-products .tools-table .mono {
  font-family: var(--font-mono);
  color: var(--aqua);
}

.page-products .cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .cat-chip__prefix {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 2px;
  background: var(--aqua);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
}

.page-products .tools-table__aside {
  margin-top: clamp(24px, 4vw, 36px);
  align-items: start;
}

.page-products .tools-table__notes h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .tools-table__notes .index-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .tools-table__notes .index-list__item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 12px 14px;
  background: var(--navy-800);
}

.page-products .tools-table__notes .index-list__no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-products .tools-table__notes .index-list__title {
  font-size: 14px;
  color: var(--paper);
}

.page-products .tools-table__notes .index-list__meta {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 编号索引 ---------- */
.page-products .tools-number__grid {
  align-items: start;
}

.page-products .code-breakdown {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 20px;
  padding: 16px 18px;
  background: var(--navy-800);
  border: 1px solid var(--line);
  overflow-x: auto;
}

.page-products .code-breakdown__seg {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  min-width: 38px;
  height: 46px;
  padding: 0 6px;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--paper);
  background: var(--navy-900);
  border: 1px solid var(--line);
}

.page-products .code-breakdown__seg--prefix {
  min-width: 46px;
  font-size: 26px;
  color: var(--ink);
  background: var(--aqua);
  border-color: var(--aqua);
}

.page-products .code-breakdown__seg--dash {
  min-width: 18px;
  padding: 0;
  color: var(--mist);
  background: none;
  border: none;
}

.page-products .code-breakdown__seg--digit {
  color: var(--amber);
}

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

.page-products .tools-rules li {
  position: relative;
  padding: 12px 16px 12px 46px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  background: var(--navy-800);
  border: 1px solid var(--line);
  border-left: 2px solid var(--aqua-deep);
}

.page-products .tools-rules li::before {
  counter-increment: rule;
  content: counter(rule, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
}

/* ---------- 额度变动 ---------- */
.page-products .tools-quota__grid {
  align-items: start;
}

.page-products .timeline {
  position: relative;
  margin: 0;
  padding: 4px 0 0;
  list-style: none;
}

.page-products .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--aqua), var(--line) 70%, transparent);
}

.page-products .timeline__item {
  position: relative;
  padding: 0 0 26px 34px;
}

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

.page-products .timeline__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--navy-900);
  border: 1px solid var(--aqua);
}

.page-products .timeline__item--rose .timeline__dot {
  border-color: var(--rose);
  box-shadow: 0 0 0 4px rgba(229, 73, 111, .14);
}

.page-products .timeline__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-products .timeline__title {
  margin: 4px 0 6px;
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
}

.page-products .timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .tools-quota__side .media {
  margin: 0 0 22px;
}

.page-products .tier-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.page-products .tier {
  padding: 12px 8px;
  text-align: center;
  background: var(--navy-800);
  border: 1px solid var(--line);
  border-top-width: 3px;
  border-top-color: var(--amber);
}

.page-products .tier__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.page-products .tier__label {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-products .tier:nth-child(1) { border-top-color: rgba(245, 184, 74, .25); }
.page-products .tier:nth-child(2) { border-top-color: rgba(245, 184, 74, .40); }
.page-products .tier:nth-child(3) { border-top-color: rgba(245, 184, 74, .55); }
.page-products .tier:nth-child(4) { border-top-color: rgba(245, 184, 74, .70); }
.page-products .tier:nth-child(5) { border-top-color: rgba(245, 184, 74, .85); }
.page-products .tier:nth-child(6) { border-top-color: var(--amber); }

.page-products .tools-quota__legend {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 资源文件 ---------- */
.page-products .tools-dl__figure {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 520px;
}

.page-products .dl-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .dl-item {
  padding: 18px 20px 20px;
  background: var(--navy-800);
  transition: background .3s var(--ease);
}

.page-products .dl-item:hover {
  background: var(--navy-700);
}

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

.page-products .dl-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-products .dl-item__title {
  flex: 1 1 auto;
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
}

.page-products .dl-item__desc {
  margin: 10px 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .dl-item__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px 18px;
  margin: 0;
}

.page-products .dl-item__meta > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .dl-item__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
  opacity: .75;
}

.page-products .dl-item__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
}

.page-products .tools-dl__note {
  margin: 20px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .tools-dl__note a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 208, .35);
  transition: border-color .25s var(--ease);
}

.page-products .tools-dl__note a:hover,
.page-products .tools-dl__note a:focus-visible {
  border-bottom-color: var(--aqua);
}

.page-products .tools-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 420px) {
  .page-products .code-breakdown {
    gap: 4px;
    padding: 12px;
  }

  .page-products .code-breakdown__seg {
    min-width: 30px;
    height: 40px;
    font-size: 19px;
  }

  .page-products .code-breakdown__seg--prefix {
    min-width: 36px;
    font-size: 21px;
  }

  .page-products .code-breakdown__seg--dash {
    min-width: 10px;
  }
}

@media (min-width: 720px) {
  .page-products .tools-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .tier-bar {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .tools-intro__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, .75fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .tools-intro__anchor {
    align-items: flex-start;
  }

  .page-products .tools-cat__cell {
    flex: 0 0 220px;
  }

  .page-products .tools-table {
    min-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tools-cat,
  .page-products .tools-jump__link,
  .page-products .dl-item {
    transition: none;
  }
}