.page-products {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  overflow-x: clip;
}

.page-products .wrap {
  padding-block: clamp(24px, 3.4vw, 46px) clamp(64px, 8vw, 120px);
}

/* ---------- 首屏 ---------- */
.page-products .tools-intro {
  margin-top: clamp(24px, 3.4vw, 46px);
  max-width: 1020px;
}

.page-products .tools-intro .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-products .tools-intro h1 {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(31px, 4.7vw, 60px);
  line-height: 1.13;
  letter-spacing: .004em;
  color: var(--paper);
}

.page-products .tools-intro .lede {
  margin: clamp(16px, 2vw, 26px) 0 0;
  max-width: 68ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

.page-products .tools-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  max-width: 840px;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .tools-facts__item {
  background: var(--ink-2);
  padding: 14px 18px;
}

.page-products .tools-facts dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--silver);
}

.page-products .tools-facts dd {
  margin: 7px 0 0;
  font-family: var(--mono);
  font-size: 21px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: .02em;
}

/* ---------- 图片 ---------- */
.page-products .tools-hero-figure {
  margin: clamp(30px, 4vw, 56px) 0 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-products .tools-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-products .tools-figure--wide {
  margin-bottom: clamp(20px, 2.6vw, 34px);
}

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

/* ---------- 概览矩阵 ---------- */
.page-products .tools-overview {
  margin-top: clamp(36px, 5vw, 72px);
}

.page-products .tools-overview__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .2em;
  color: var(--silver);
}

.page-products .tools-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .tools-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 34px);
  background: var(--ink-2);
  color: inherit;
  text-decoration: none;
  transition: background-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-products .tools-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .28s var(--ease);
}

.page-products .tools-card:hover,
.page-products .tools-card:focus-visible {
  background: var(--ink-3);
  box-shadow: inset 0 0 0 1px var(--gold);
  outline: none;
}

.page-products .tools-card:hover::before,
.page-products .tools-card:focus-visible::before {
  transform: scaleY(1);
}

.page-products .tools-card__idx {
  font-family: var(--mono);
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-products .tools-card__title {
  font-family: var(--serif);
  font-size: clamp(19px, 1.6vw, 23px);
  font-weight: 600;
  line-height: 1.36;
  color: var(--paper);
}

.page-products .tools-card__text {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-products .tools-card__more {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

/* ---------- 章节骨架 ---------- */
.page-products .tools-section {
  margin-top: clamp(56px, 7vw, 108px);
  scroll-margin-top: calc(var(--topbar-h) + 28px);
}

.page-products .tools-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px 16px;
  padding-bottom: 16px;
  margin-bottom: clamp(20px, 2.6vw, 34px);
  border-bottom: 1px solid var(--line);
}

.page-products .tools-section__head .num {
  font-family: var(--mono);
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--gold);
}

.page-products .tools-section__head h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(23px, 2.6vw, 33px);
  line-height: 1.22;
  color: var(--paper);
}

.page-products .tools-section__main {
  min-width: 0;
}

.page-products .tools-side {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.2vw, 28px);
  min-width: 0;
}

.page-products .tools-note {
  max-width: 68ch;
  margin: 0 0 clamp(20px, 2.4vw, 30px);
  font-size: 16px;
  line-height: 1.82;
  color: var(--silver);
}

.page-products .tools-note--tight {
  margin-bottom: 14px;
}

.page-products .tools-subtitle {
  margin: clamp(28px, 3.4vw, 46px) 0 10px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .tools-footnote {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 权益定义列表 ---------- */
.page-products .deflist {
  display: block;
  margin: 0;
}

.page-products .deflist__row {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-products .deflist__row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .deflist__term {
  margin: 0 0 7px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--gold-lite);
}

.page-products .deflist__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 侧栏说明块 ---------- */
.page-products .tools-aside {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: clamp(18px, 2vw, 24px);
}

.page-products .tools-aside__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .tools-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .tools-steps__item {
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}

.page-products .tools-steps__idx {
  flex: none;
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold-lite);
}

/* ---------- 十二项配置 ---------- */
.page-products .cfg-groups {
  display: flex;
  flex-direction: column;
  gap: clamp(22px, 3vw, 36px);
}

.page-products .cfg-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .cfg-group__code {
  display: inline-block;
  padding: 3px 7px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
}

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

.page-products .cfg-item {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 16px;
  background: var(--ink-2);
  transition: background-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-products .cfg-item:hover {
  background: var(--ink-3);
  box-shadow: inset 0 0 0 1px var(--gold);
}

.page-products .cfg-item__code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-products .cfg-item__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .cfg-item__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 适配表格 ---------- */
.page-products .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-products .table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-products .table caption {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  background: var(--ink-3);
}

.page-products .table th,
.page-products .table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.page-products .table thead th {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--paper);
  background: var(--ink-3);
  border-bottom: 1px solid var(--gold);
}

.page-products .table tbody th {
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .table tbody tr:last-child th,
.page-products .table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 历史版本折叠 ---------- */
.page-products .ver-folds {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .ver-fold {
  background: var(--ink-2);
}

.page-products .ver-fold__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  transition: background-color .2s var(--ease);
}

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

.page-products .ver-fold__sum:hover {
  background: var(--ink-3);
}

.page-products .ver-fold__ver {
  flex: none;
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-products .ver-fold__label {
  flex: 1 1 auto;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--silver);
}

.page-products .ver-fold__chev {
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--gold-lite);
  border-bottom: 1px solid var(--gold-lite);
  transform: rotate(45deg);
  transition: transform .24s var(--ease);
}

.page-products .ver-fold[open] .ver-fold__chev {
  transform: rotate(225deg);
}

.page-products .ver-fold__body {
  padding: 0 18px 18px;
}

.page-products .ver-fold__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 额度反馈步骤条 ---------- */
.page-products .qs {
  position: relative;
  margin: 0;
  padding: 0 0 0 clamp(30px, 4vw, 48px);
  list-style: none;
}

.page-products .qs::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold-lite) 0%, var(--line-2) 72%, transparent 100%);
}

.page-products .qs__item {
  position: relative;
  padding-bottom: clamp(24px, 2.8vw, 36px);
}

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

.page-products .qs__item::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(30px, 4vw, 48px) + 3px);
  top: 6px;
  width: 13px;
  height: 13px;
  background: var(--ink);
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-products .qs__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .qs__idx {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .qs__text {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver);
}

/* ---------- 组合场景 ---------- */
.page-products .scenes {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .scene {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--ink-2);
  transition: background-color .2s var(--ease);
}

.page-products .scene:hover {
  background: var(--ink-3);
}

.page-products .scene__label {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

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

.page-products .scene__title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .scene__text {
  max-width: 66ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver);
}

.page-products .scene__path {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--gold-lite);
}

/* ---------- 底部入口 ---------- */
.page-products .tools-links {
  margin-top: clamp(60px, 7vw, 108px);
  padding: clamp(26px, 3.4vw, 46px);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
}

.page-products .tools-links__title {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 600;
  color: var(--paper);
}

.page-products .tools-links__text {
  max-width: 68ch;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--silver);
}

.page-products .tools-links__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 右侧锚点刻度 ---------- */
.page-products .tools-scale {
  display: none;
}

@media (min-width: 1680px) {
  .page-products .tools-scale {
    position: fixed;
    top: 50%;
    right: 26px;
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transform: translateY(-50%);
  }

  .page-products .tools-scale a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .12em;
    color: var(--silver);
    text-decoration: none;
    transition: color .2s var(--ease);
  }

  .page-products .tools-scale a span {
    color: var(--gold-lite);
  }

  .page-products .tools-scale a:hover,
  .page-products .tools-scale a:focus-visible {
    color: var(--gold);
    outline: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .cfg-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  .page-products .tools-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

@media (min-width: 860px) {
  .page-products .scene {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .scene__label {
    padding-top: 5px;
  }
}

@media (min-width: 1000px) {
  .page-products .cfg-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .tools-matrix {
    grid-template-columns: 1.35fr 1fr 1fr 1.35fr;
  }
}

@media (max-width: 420px) {
  .page-products .ver-fold__sum {
    flex-wrap: wrap;
    gap: 8px 12px;
  }

  .page-products .ver-fold__label {
    flex: 1 1 100%;
    order: 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tools-card,
  .page-products .tools-card::before,
  .page-products .cfg-item,
  .page-products .ver-fold__sum,
  .page-products .ver-fold__chev,
  .page-products .scene {
    transition: none;
  }
}