.page-products {
  --tools-gap: 20px;
  background: var(--pb-ink-950);
  color: var(--pb-paper);
  font-family: var(--pb-font-body);
  overflow-x: clip;
}

.page-products .pb-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  padding-top: calc(var(--pb-header-h) + 36px);
  padding-bottom: 8px;
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(27, 46, 77, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 46, 77, 0.55) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(130% 95% at 18% 0%, #000 28%, transparent 78%);
  mask-image: radial-gradient(130% 95% at 18% 0%, #000 28%, transparent 78%);
  pointer-events: none;
  z-index: 0;
}

.page-products .tools-hero > .pb-container {
  position: relative;
  z-index: 1;
}

.page-products .pb-breadcrumb {
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--pb-ash);
  margin-bottom: 26px;
}

.page-products .pb-breadcrumb a {
  color: var(--pb-ash);
  text-decoration: none;
}

.page-products .pb-breadcrumb a:hover {
  color: var(--pb-pulse);
}

.page-products .pb-breadcrumb__sep {
  margin: 0 8px;
  color: var(--pb-line);
}

.page-products .tools-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: end;
}

.page-products .pb-eyebrow {
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--pb-pulse);
  margin: 0 0 16px;
}

.page-products h1.pb-h1 {
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  color: var(--pb-paper);
  max-width: 15em;
}

.page-products .pb-lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--pb-ash);
  margin: 0;
  max-width: 34em;
}

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

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

.page-products .tools-index__item a {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--pb-line);
  border-left: 2px solid var(--pb-line);
  background: rgba(12, 21, 38, 0.78);
  text-decoration: none;
  color: var(--pb-paper);
  transition: border-color 0.2s var(--pb-ease), background 0.2s var(--pb-ease);
}

.page-products .tools-index__item a:hover,
.page-products .tools-index__item a:focus-visible {
  border-left-color: var(--pb-signal);
  background: rgba(27, 46, 77, 0.6);
}

.page-products .tools-index__num {
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--pb-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--pb-index);
}

.page-products .tools-index__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.page-products .tools-index__meta {
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--pb-ash);
  margin-top: 2px;
}

.page-products .pb-pulse-line {
  margin-top: 40px;
}

/* ---------- 主框架 ---------- */
.page-products .tools-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

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

.page-products .tools-rail {
  display: none;
}

/* ---------- 章节通用 ---------- */
.page-products .tools-sec {
  border-top: 1px solid var(--pb-line);
  margin-top: 52px;
  padding-top: 40px;
}

.page-products .tools-sec__head {
  max-width: 40em;
}

.page-products .tools-sec__index {
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pb-pulse);
  margin: 0 0 14px;
}

.page-products h2.pb-h2 {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--pb-paper);
}

.page-products .tools-sec__lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--pb-ash);
  margin: 0;
}

.page-products a {
  color: var(--pb-pulse);
}

/* ---------- 概览四条目 ---------- */
.page-products .overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.page-products .ov {
  border-top: 2px solid var(--pb-line);
  padding: 16px 0 0;
}

.page-products .ov__num {
  font-family: var(--pb-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pb-index);
  margin: 0 0 10px;
}

.page-products .ov__title {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--pb-paper);
}

.page-products .ov__body {
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
  margin: 0 0 12px;
}

.page-products .ov__meta {
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--pb-signal);
  margin: 0 0 12px;
}

.page-products .ov__link {
  display: inline-block;
  font-size: 13px;
  text-decoration: none;
  color: var(--pb-pulse);
  border-bottom: 1px solid rgba(55, 230, 206, 0.45);
  padding-bottom: 2px;
}

.page-products .ov__link:hover {
  color: var(--pb-paper);
  border-bottom-color: var(--pb-signal);
}

/* ---------- 图片 ---------- */
.page-products .tools-figure {
  margin: 28px 0 0;
  border: 1px solid var(--pb-line);
  background: var(--pb-ink-900);
  position: relative;
}

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

.page-products .tools-figure figcaption {
  font-family: var(--pb-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--pb-ash);
  padding: 10px 14px;
  border-top: 1px solid var(--pb-line);
}

/* ---------- 三步订阅 ---------- */
.page-products .sub-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 28px;
}

.page-products .sub-grid .tools-figure {
  margin: 0;
}

.page-products .sub-grid__steps {
  min-width: 0;
}

.page-products .step {
  border: 1px solid var(--pb-line);
  background: rgba(12, 21, 38, 0.62);
  margin-bottom: 10px;
}

.page-products .step summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  font-weight: 700;
  font-size: 15px;
  color: var(--pb-paper);
}

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

.page-products .step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--pb-font-mono);
  color: var(--pb-pulse);
  font-size: 15px;
}

.page-products .step[open] summary::after {
  content: "−";
}

.page-products .step summary:focus-visible {
  outline: 2px solid var(--pb-pulse);
  outline-offset: 2px;
}

.page-products .step__n {
  font-family: var(--pb-font-mono);
  font-size: 12px;
  color: var(--pb-index);
  border: 1px solid var(--pb-line);
  padding: 2px 6px;
  flex: none;
}

.page-products .step__body {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
}

.page-products .step__body p {
  margin: 0 0 10px;
}

.page-products .step__body p:last-child {
  margin-bottom: 0;
}

.page-products .stalls {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-products .stalls li {
  font-size: 13px;
  line-height: 1.8;
  color: var(--pb-ash);
  padding: 10px 0 10px 14px;
  border-left: 2px solid var(--pb-tag-a);
  margin-bottom: 8px;
}

.page-products .stalls strong {
  color: var(--pb-paper);
}

/* ---------- 标签矩阵 ---------- */
.page-products .tagmatrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.page-products .tg {
  padding: 16px;
  background: var(--pb-tag-a);
  color: var(--pb-paper);
  border-radius: var(--pb-radius);
}

.page-products .tg--b {
  background: var(--pb-tag-b);
}

.page-products .tg--c {
  background: var(--pb-tag-c);
}

.page-products .tg__level {
  font-family: var(--pb-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.82;
  margin: 0 0 8px;
}

.page-products .tg__name {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 12px;
}

.page-products .tg__subs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .tg__subs li {
  border: 1px solid rgba(247, 243, 234, 0.45);
  padding: 2px 8px;
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-products .tag-note {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--pb-pulse);
  background: rgba(12, 21, 38, 0.7);
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
}

/* ---------- 版本对照 ---------- */
.page-products .verwrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 28px;
}

.page-products .versions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .versions__col {
  border: 1px solid var(--pb-line);
  padding: 18px;
  background: var(--pb-ink-900);
}

.page-products .versions__col--now {
  border-color: var(--pb-pulse);
  box-shadow: inset 0 0 0 1px rgba(55, 230, 206, 0.12);
}

.page-products .versions__ver {
  font-family: var(--pb-font-mono);
  font-size: 26px;
  letter-spacing: 0.02em;
  margin: 0 0 6px;
  color: var(--pb-paper);
}

.page-products .versions__col--now .versions__ver {
  color: var(--pb-pulse);
}

.page-products .versions__badge {
  font-family: var(--pb-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pb-ash);
  margin: 0 0 14px;
}

.page-products .versions__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .versions__list li {
  font-size: 13px;
  line-height: 1.8;
  color: var(--pb-ash);
  padding: 10px 0 10px 18px;
  border-top: 1px dashed rgba(27, 46, 77, 0.95);
  position: relative;
}

.page-products .versions__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 7px;
  height: 7px;
  background: var(--pb-line);
}

.page-products .versions__col--now .versions__list li::before {
  background: var(--pb-pulse);
}

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

.page-products .hist {
  margin-top: 20px;
}

.page-products .hist__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .hist__list li {
  display: grid;
  grid-template-columns: minmax(72px, 88px) minmax(0, 1fr);
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(27, 46, 77, 0.95);
  font-size: 13px;
  line-height: 1.7;
}

.page-products .hist__list li:last-child {
  border-bottom: none;
}

.page-products .h-ver {
  font-family: var(--pb-font-mono);
  font-size: 12px;
  color: var(--pb-index);
  letter-spacing: 0.02em;
}

.page-products .h-txt {
  color: var(--pb-ash);
}

.page-products .feedback-note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
  max-width: 40em;
}

/* ---------- 轮次提醒 ---------- */
.page-products .remind {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 28px;
}

.page-products .remind .tools-figure {
  margin: 0;
}

.page-products .scale {
  position: relative;
  height: 132px;
  margin: 4px 0 24px;
  border-bottom: 1px solid var(--pb-line);
}

.page-products .scale__strip {
  position: absolute;
  left: 0;
  right: 0;
  top: 62px;
  height: 14px;
  background-image: repeating-linear-gradient(to right, var(--pb-line) 0 1px, transparent 1px 20px);
}

.page-products .scale__bar {
  position: absolute;
  left: 0;
  right: 0;
  top: 69px;
  height: 1px;
  background: linear-gradient(to right, var(--pb-line), var(--pb-pulse), var(--pb-line));
}

.page-products .scale__tick {
  position: absolute;
  top: 18px;
  transform: translateX(-50%);
  text-align: center;
  font-family: var(--pb-font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--pb-ash);
  white-space: nowrap;
}

.page-products .scale__tick::after {
  content: "";
  display: block;
  width: 9px;
  height: 9px;
  background: var(--pb-pulse);
  margin: 26px auto 0;
}

.page-products .scale__tick--1 {
  left: 20%;
}

.page-products .scale__tick--2 {
  left: 62%;
}

.page-products .scale__kick {
  position: absolute;
  right: 0;
  top: 18px;
  text-align: center;
  font-family: var(--pb-font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--pb-signal);
  white-space: nowrap;
}

.page-products .scale__kick::after {
  content: "";
  display: block;
  width: 9px;
  height: 9px;
  background: var(--pb-signal);
  margin: 26px auto 0;
}

.page-products .remind__points {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-products .remind__points li {
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
  padding: 10px 0 10px 14px;
  border-left: 2px solid var(--pb-tag-b);
  margin-bottom: 8px;
}

.page-products .remind__points strong {
  color: var(--pb-paper);
}

.page-products .remind__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
}

/* ---------- 人群路径 ---------- */
.page-products .paths {
  margin-top: 28px;
  border-top: 1px solid var(--pb-line);
}

.page-products .path {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pb-line);
}

.page-products .path__n {
  font-family: var(--pb-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pb-index);
  margin: 0;
}

.page-products .path__who {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  color: var(--pb-paper);
}

.page-products .path__how {
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
  margin: 0;
}

/* ---------- 支持 ---------- */
.page-products .support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 28px;
}

.page-products .support .tools-figure {
  margin: 0;
}

.page-products .issues {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .issues li {
  padding: 0 0 16px 16px;
  border-left: 2px solid var(--pb-line);
  margin-bottom: 18px;
}

.page-products .issues h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--pb-paper);
}

.page-products .issues p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--pb-ash);
  margin: 0;
}

.page-products .tools-cta {
  margin-top: 32px;
  padding: 22px 20px;
  border: 1px solid var(--pb-line);
  border-left: 3px solid var(--pb-signal);
  background: rgba(12, 21, 38, 0.75);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-products .tools-cta p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pb-ash);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .tagmatrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .versions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .pb-container {
    padding: 0 32px;
  }

  .page-products .tools-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 56px;
  }

  .page-products .tools-index__item:nth-child(2) {
    margin-left: 16px;
  }

  .page-products .tools-index__item:nth-child(3) {
    margin-left: 32px;
  }

  .page-products .tools-index__item:nth-child(4) {
    margin-left: 48px;
  }

  .page-products .overview {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .ov:nth-child(2) {
    margin-top: 26px;
  }

  .page-products .ov:nth-child(4) {
    margin-top: 26px;
  }

  .page-products .sub-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .remind {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .support {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .path {
    grid-template-columns: 48px 190px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
    padding: 22px 0;
  }

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

@media (min-width: 1100px) {
  .page-products .tools-frame {
    grid-template-columns: minmax(0, 1fr) 78px;
    gap: 28px;
  }

  .page-products .tools-rail {
    display: block;
    align-self: stretch;
  }

  .page-products .tools-rail__track {
    position: sticky;
    top: calc(var(--pb-header-h) + 40px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    padding: 16px 0;
  }

  .page-products .tools-rail__track::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    transform: translateX(-50%);
    background: linear-gradient(to bottom, transparent, var(--pb-line) 6%, var(--pb-line) 94%, transparent);
  }

  .page-products .tools-rail__node {
    position: relative;
    z-index: 1;
    display: block;
    background: var(--pb-ink-950);
    padding: 4px 5px 4px;
    font-family: var(--pb-font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--pb-ash);
    border-top: 1px solid var(--pb-line);
  }

  .page-products .tools-rail__node::before {
    content: "";
    display: block;
    width: 8px;
    height: 8px;
    margin: 0 auto 6px;
    background: var(--pb-signal);
    transition: background 0.25s var(--pb-ease);
  }

  .page-products .tools-rail__node.is-inview::before {
    background: var(--pb-pulse);
  }

  .page-products .verwrap {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
    gap: 36px;
  }

  .page-products .versions__col--prev {
    margin-top: 44px;
    background: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tools-index__item a,
  .page-products .tools-rail__node::before {
    transition: none;
  }
}