.page-products {
  --tools-gap: 18px;
  --tools-radius: 14px;
  --tools-card-shadow: 5px 5px 0 var(--ink);
  --tools-dim: rgba(255, 255, 255, .72);
}

/* ============ 首屏 ============ */
.page-products .tools-hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  padding: calc(var(--topbar-h) + 30px) 0 52px;
  border-bottom: 2px solid var(--line);
}

.page-products .tools-hero__glow {
  position: absolute;
  top: -180px;
  right: -140px;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: var(--grad-warm);
  opacity: .13;
  pointer-events: none;
}

.page-products .breadcrumb {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--text);
  margin: 0 0 30px;
}

.page-products .breadcrumb__item {
  color: var(--text);
  text-decoration: none;
}

.page-products a.breadcrumb__item:hover {
  color: var(--orange);
}

.page-products .tools-crumb__sep {
  color: var(--line);
}

.page-products .tools-hero__grid {
  position: relative;
  display: grid;
  gap: 34px;
}

.page-products .tools-hero__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 16px;
}

.page-products .tools-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 7.6vw, 4.1rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0 0 20px;
}

.page-products .tools-hero__title em {
  font-style: normal;
  color: var(--orange);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-products .tools-hero__title em {
    background: var(--grad-warm);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-products .tools-hero__text {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
  margin: 0 0 28px;
  max-width: 640px;
}

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

.page-products .tools-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .fact {
  position: relative;
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: var(--tools-radius);
  padding: 14px 18px 14px 24px;
  overflow: hidden;
}

.page-products .fact::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--grad-warm);
}

.page-products .fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
  margin-bottom: 4px;
}

.page-products .fact__label {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}

/* ============ 章节头（页面内重排） ============ */
.page-products .section__head {
  display: block;
  max-width: 880px;
  margin: 0 0 42px;
}

.page-products .section__rule {
  display: block;
  width: 92px;
  height: 6px;
  border-radius: 3px;
  background: var(--grad-warm);
  margin-bottom: 18px;
}

.page-products .section__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-products .section__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.55rem, 4.6vw, 2.5rem);
  line-height: 1.26;
  letter-spacing: .005em;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-products .section__lede {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
  margin: 0;
  max-width: 720px;
}

/* 反白章节 */
.page-products .section--ink {
  background: var(--ink);
  color: rgba(255, 255, 255, .82);
}

.page-products .section--ink .section__title {
  color: var(--white);
}

.page-products .section--ink .section__lede {
  color: rgba(255, 255, 255, .74);
}

.page-products .section--ink .section__no {
  color: var(--gold);
}

/* ============ 媒体容器 ============ */
.page-products .media {
  margin: 0;
}

.page-products .media__frame {
  overflow: hidden;
  border: 2px solid var(--ink);
  border-radius: var(--tools-radius);
  background: var(--white);
}

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

.page-products .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  letter-spacing: .01em;
}

.page-products .section--ink .media__frame {
  border-color: var(--ink-2);
}

.page-products .section--ink .media__caption {
  color: rgba(255, 255, 255, .62);
}

/* ============ 01 模块总览 ============ */
.page-products .tools-map__grid {
  display: grid;
  gap: 32px;
}

.page-products .mod-tree {
  display: grid;
  gap: 0;
}

.page-products .mod-tree__row {
  position: relative;
  display: grid;
  gap: 14px;
  padding-top: 0;
  margin-bottom: 14px;
}

.page-products .mod-node {
  position: relative;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 15px 16px;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
  box-shadow: 4px 4px 0 rgba(14, 27, 51, .13);
}

.page-products .mod-node:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(14, 27, 51, .18);
}

.page-products .mod-node__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 6px;
}

.page-products .mod-node__name {
  display: block;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}

.page-products .mod-node__tip {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .mod-node--fixed {
  background: var(--ink);
  border-color: var(--ink);
}

.page-products .mod-node--fixed .mod-node__no {
  color: var(--gold);
}

.page-products .mod-node--fixed .mod-node__name {
  color: var(--white);
}

.page-products .mod-node--fixed .mod-node__tip {
  color: rgba(255, 255, 255, .74);
}

.page-products .mod-node--fixed:hover {
  box-shadow: 2px 2px 0 var(--orange);
}

.page-products .mod-node--root {
  background: var(--grad-warm);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  text-align: center;
  padding: 18px 20px;
}

.page-products .mod-node--root .mod-node__no {
  color: rgba(255, 255, 255, .82);
}

.page-products .mod-node--root .mod-node__name {
  color: var(--white);
  font-size: 18px;
  margin-bottom: 4px;
}

.page-products .mod-node--root .mod-node__tip {
  color: rgba(255, 255, 255, .86);
}

.page-products .mod-tree__row--root {
  margin-bottom: 20px;
}

/* ============ 02 检索 ============ */
.page-products .tools-search__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--tools-radius);
  box-shadow: var(--tools-card-shadow);
  padding: 16px 18px;
  margin-bottom: 26px;
}

.page-products .tools-search__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  background: var(--grad-warm);
  border-radius: 8px;
  padding: 6px 12px;
}

.page-products .tools-search__prompt {
  flex: 1 1 220px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-products .tools-search__hint {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink);
  background: rgba(111, 227, 196, .3);
  border-radius: 999px;
  padding: 5px 12px;
}

.page-products .ways__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.page-products .ways__tab {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
  text-decoration: none;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 8px 18px;
  transition: transform .16s var(--ease), background .16s var(--ease), color .16s var(--ease);
}

.page-products .ways__tab:hover,
.page-products .ways__tab:focus-visible {
  background: var(--ink);
  color: var(--white);
  transform: translateY(-2px);
}

.page-products .ways__grid {
  display: grid;
  gap: 16px;
}

.page-products .way {
  position: relative;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--tools-radius);
  box-shadow: var(--tools-card-shadow);
  padding: 20px 18px 18px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), opacity .2s var(--ease);
}

.page-products .ways:has(:target) .way:not(:target) {
  opacity: .45;
}

.page-products .way:target {
  box-shadow: 2px 2px 0 var(--orange);
  transform: translate(3px, 3px);
}

.page-products .way__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  background: var(--ink);
  border-radius: 6px;
  padding: 3px 9px;
  margin-bottom: 12px;
}

.page-products .way__title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-products .way__text {
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
  margin: 0 0 12px;
}

.page-products .way__fit {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
  margin: 0;
  padding-top: 12px;
  border-top: 2px solid var(--line);
}

.page-products .tools-search__figure {
  margin-top: 34px;
  max-width: 860px;
}

/* ============ 03 入口清单 ============ */
.page-products .entries-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--line);
}

.page-products .entry {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 4px;
  border-bottom: 2px solid var(--line);
  transition: background .18s var(--ease), padding-left .18s var(--ease);
}

.page-products .entry:hover {
  background: var(--paper);
  padding-left: 12px;
}

.page-products .entry__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--orange);
  padding-top: 3px;
}

.page-products .entry__title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 6px;
}

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

/* ============ 04 权益 ============ */
.page-products .benefit-grid {
  display: grid;
  gap: 20px;
}

.page-products .benefit-card {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--tools-radius);
  box-shadow: var(--tools-card-shadow);
  padding: 24px 20px;
  color: var(--text);
}

.page-products .benefit-card--season {
  border-color: var(--gold);
  box-shadow: 5px 5px 0 var(--gold);
}

.page-products .benefit-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--line);
}

.page-products .benefit-card__title {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  margin: 0;
}

.page-products .benefit-card--season .benefit-card__title {
  color: var(--ink);
}

.page-products .benefit-card__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 2px solid var(--line);
}

.page-products .benefit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .benefit-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .benefit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 8px;
  border-left: 3px solid var(--mint);
  border-bottom: 3px solid var(--mint);
  transform: rotate(-45deg);
}

.page-products .benefit-card--season .benefit-list li::before {
  border-color: var(--gold);
}

.page-products .benefit-figure {
  margin-top: 34px;
  max-width: 820px;
}

/* ============ 05 换设备 ============ */
.page-products .device-grid {
  display: grid;
  gap: 30px;
}

.page-products .device-figure {
  margin: 0;
}

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

.page-products .device-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--tools-radius);
  padding: 18px;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-products .device-step:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--orange);
}

.page-products .device-step__no {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  background: var(--grad-warm);
  border-radius: 50%;
}

.page-products .device-step__title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
  margin: 2px 0 6px;
}

.page-products .device-step__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
  margin: 0;
}

/* ============ 06 版本记录 ============ */
.page-products .timeline {
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
  display: grid;
  gap: 22px;
}

.page-products .timeline__item {
  position: relative;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--tools-radius);
  padding: 26px 18px 20px;
  margin-top: 12px;
  overflow: visible;
}

.page-products .timeline__item::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 6px;
  border-radius: 12px 12px 0 0;
  background: var(--line);
}

.page-products .timeline__item--current::before {
  background: var(--grad-warm);
}

.page-products .timeline__dot {
  position: absolute;
  top: -16px;
  left: 18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ink);
  border: 4px solid var(--paper);
}

.page-products .timeline__item--current .timeline__dot {
  background: var(--orange);
}

.page-products .timeline__when {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-products .timeline__title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-products .timeline__text {
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--text);
  margin: 0;
}

/* ============ 07 场景 ============ */
.page-products .scene-grid {
  display: grid;
  gap: 18px;
}

.page-products .scene {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--tools-radius);
  box-shadow: var(--tools-card-shadow);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-products .scene[open] {
  box-shadow: 2px 2px 0 var(--orange);
  transform: translate(3px, 3px);
}

.page-products .scene__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .scene__no {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.page-products .scene__title {
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .scene__toggle {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--orange);
  border: 2px solid var(--orange);
  border-radius: 999px;
  padding: 4px 12px;
}

.page-products .scene__toggle::before {
  content: "展开";
}

.page-products .scene[open] .scene__toggle::before {
  content: "收起";
}

.page-products .scene__list {
  list-style: none;
  margin: 0;
  padding: 0 18px 20px 60px;
  display: grid;
  gap: 10px;
}

.page-products .scene__list li {
  position: relative;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .scene__list li::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
}

/* ============ 收尾引导 ============ */
.page-products .tools-next {
  display: grid;
  gap: 20px;
  margin-top: 44px;
  padding: 28px 22px;
  border: 2px solid var(--ink);
  border-radius: var(--tools-radius);
  background: var(--white);
  box-shadow: var(--tools-card-shadow);
}

.page-products .tools-next__title {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 3.6vw, 1.7rem);
  font-weight: 900;
  color: var(--ink);
  margin: 0 0 10px;
}

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

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

/* ============ 焦点反馈 ============ */
.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ============ 响应式 ============ */
@media (min-width: 560px) {
  .page-products .tools-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .entries-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 36px;
  }

  .page-products .entry:nth-last-child(-n+2) {
    border-bottom: 2px solid var(--line);
  }
}

@media (min-width: 780px) {
  .page-products .tools-hero {
    padding: calc(var(--topbar-h) + 48px) 0 68px;
  }

  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
  }

  .page-products .tools-map__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-products .mod-tree__row {
    margin-bottom: 18px;
  }

  .page-products .mod-tree__row--four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-top: 26px;
  }

  .page-products .mod-tree__row--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding-top: 26px;
  }

  .page-products .mod-tree__row--four::before,
  .page-products .mod-tree__row--three::before {
    content: "";
    position: absolute;
    top: 0;
    left: 26px;
    right: 26px;
    height: 2px;
    background: var(--line);
  }

  .page-products .mod-tree__row--four .mod-node::before,
  .page-products .mod-tree__row--three .mod-node::before {
    content: "";
    position: absolute;
    top: -26px;
    left: 50%;
    width: 2px;
    height: 26px;
    background: var(--line);
    transform: translateX(-50%);
  }

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

  .page-products .device-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .benefit-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 26px;
  }

  .page-products .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-products .scene__list {
    padding-left: 18px;
  }

  .page-products .tools-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 30px 28px;
  }
}

@media (min-width: 1080px) {
  .page-products .section__head {
    margin-bottom: 52px;
  }

  .page-products .entries-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 56px;
  }

  .page-products .tools-search__bar {
    padding: 18px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .mod-node,
  .page-products .way,
  .page-products .entry,
  .page-products .device-step,
  .page-products .scene,
  .page-products .ways__tab {
    transition: none;
  }

  .page-products .mod-node:hover,
  .page-products .way:target,
  .page-products .scene[open],
  .page-products .device-step:hover,
  .page-products .ways__tab:hover {
    transform: none;
  }
}