.page-products {
  --pp-gap: 20px;
  --pp-rule: 1px solid var(--mist);
  --pp-dash: rgba(201, 211, 216, 0.6);
  padding-bottom: 8px;
}

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

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: 18px 0 30px;
}

.page-products .pp-hero__grid {
  display: grid;
  gap: 24px;
  margin-top: 16px;
}

.page-products .pp-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 8.2vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 10px 0 14px;
}

.page-products .pp-lede {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--read);
  max-width: 34em;
  margin: 0;
}

.page-products .pp-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-products .pp-hero__media {
  margin: 0;
}

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

.page-products .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 18px;
}

.page-products .pp-hero__media img {
  border-radius: 24px;
}

.page-products .media__cap {
  margin-top: 9px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--ghost);
}

/* ---------- 首屏章节索引 ---------- */
.page-products .pp-index {
  margin-top: 28px;
  padding: 16px 18px 18px;
  border: var(--pp-rule);
  border-radius: var(--r-card);
  background: var(--white);
  display: grid;
  gap: 12px;
}

.page-products .pp-index__label {
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ghost);
}

.page-products .pp-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-index__list a {
  display: inline-block;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: var(--pp-rule);
  font-size: 0.875rem;
  color: var(--read);
  text-decoration: none;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-products .pp-index__list a:hover,
.page-products .pp-index__list a:focus-visible {
  border-color: var(--aqua);
  color: var(--aqua-deep);
  background: rgba(15, 181, 166, 0.09);
}

/* ---------- 步骤轨道 ---------- */
.page-products .pp-track-sec {
  padding: 12px 0 34px;
}

.page-products .pp-rail {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 20px 0 22px;
  padding: 2px 2px 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pp-rail::-webkit-scrollbar {
  display: none;
}

.page-products .pp-rail__item {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px 8px 8px;
  border-radius: var(--r-pill);
  background: var(--white);
  border: var(--pp-rule);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--read);
  white-space: nowrap;
}

.page-products .pp-rail__item::after {
  content: "";
  position: absolute;
  right: -9px;
  top: 50%;
  width: 10px;
  height: 1px;
  background: var(--mist);
}

.page-products .pp-rail__item:last-child::after {
  content: none;
}

.page-products .pp-rail__node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
}

.page-products .pp-steps {
  display: grid;
  gap: 12px;
}

.page-products .pp-step {
  border: var(--pp-rule);
  border-radius: var(--r-card);
  background: var(--white);
  overflow: hidden;
  transition: border-color 180ms var(--ease);
}

.page-products .pp-step[open] {
  border-color: var(--aqua);
}

.page-products .pp-step__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "num title more"
    "num hint more";
  column-gap: 12px;
  row-gap: 3px;
  align-items: center;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-step__head::marker {
  content: "";
}

.page-products .pp-step__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-products .pp-step__num {
  grid-area: num;
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
  transition: background-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .pp-step[open] .pp-step__num {
  background: var(--aqua);
  color: var(--ink);
}

.page-products .pp-step__title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pp-step__hint {
  grid-area: hint;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--ghost);
}

.page-products .pp-step__more {
  grid-area: more;
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: var(--pp-rule);
  align-self: center;
}

.page-products .pp-step__more::before {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
  background: var(--aqua-deep);
  border-radius: 2px;
}

.page-products .pp-step__more::after {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
  background: var(--aqua-deep);
  border-radius: 2px;
  transition: transform 180ms var(--ease), opacity 180ms var(--ease);
}

.page-products .pp-step[open] .pp-step__more::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-products .pp-step__body {
  margin: 0 16px;
  padding: 16px 0 20px;
  border-top: 1px dashed var(--dash, var(--mist));
}

.page-products .pp-step__cols {
  display: grid;
  gap: 18px;
}

.page-products .pp-step__media {
  margin: 0;
  max-width: 240px;
}

.page-products .pp-step__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- 动作 / 预期现象 行 ---------- */
.page-products .pp-acts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-act {
  display: grid;
  gap: 3px;
  padding-left: 12px;
  border-left: 2px solid var(--mist);
}

.page-products .pp-act--alt {
  border-left-color: var(--penalty);
}

.page-products .pp-act__key {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--ghost);
}

.page-products .pp-act--alt .pp-act__key {
  color: var(--penalty);
}

.page-products .pp-act__val {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--read);
}

.page-products .pp-safety {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 90, 43, 0.07);
  border: 1px solid rgba(255, 90, 43, 0.28);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--read);
}

/* ---------- 访问变更（深色区） ---------- */
.page-products .pp-changes {
  background: var(--ink);
  border-radius: var(--r-block);
  padding: 32px 0 38px;
  margin: 10px 0 34px;
}

.page-products .pp-changes .wrap {
  padding-left: 20px;
  padding-right: 20px;
}

.page-products .pp-changes .eyebrow {
  color: var(--cyan);
}

.page-products .pp-changes .section-head__title {
  color: var(--white);
}

.page-products .pp-changes .section-head__meta {
  color: var(--rail-text);
}

.page-products .pp-changes__grid {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

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

.page-products .pp-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px;
  border: 1px solid rgba(63, 227, 210, 0.22);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
}

.page-products .pp-points__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--aqua);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.page-products .pp-points__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--white);
  margin: 4px 0 8px;
}

.page-products .pp-points p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--rail-text);
}

.page-products .pp-changes__media {
  margin: 0;
}

.page-products .pp-changes__media .media__cap {
  color: var(--rail-dim);
}

/* ---------- iOS 换设备路径 ---------- */
.page-products .pp-ios {
  padding: 0 0 36px;
}

.page-products .pp-ios__grid {
  display: grid;
  gap: 24px;
  margin-top: 22px;
}

.page-products .pp-levels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-level {
  padding: 16px 16px 18px;
  border: var(--pp-rule);
  border-left: 3px solid var(--aqua);
  border-radius: 16px;
  background: var(--white);
}

.page-products .pp-level__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .pp-level__badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: var(--ink);
  color: var(--cyan);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}

.page-products .pp-level__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.4;
  color: var(--ink);
  margin: 0;
}

.page-products .pp-ios__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .pp-callout {
  border-radius: var(--r-card);
  border: var(--pp-rule);
  background: var(--paper);
  padding: 18px 16px;
}

.page-products .pp-callout__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-products .pp-callout p {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--read);
}

.page-products .pp-inline-link {
  display: inline-block;
  font-size: 0.9375rem;
  color: var(--aqua-deep);
  text-decoration: underline;
  text-decoration-color: var(--aqua);
  text-underline-offset: 4px;
}

/* ---------- 自查清单 ---------- */
.page-products .pp-checklist {
  padding: 32px 0 36px;
  background: linear-gradient(180deg, rgba(201, 211, 216, 0.26), rgba(201, 211, 216, 0) 70%);
  border-radius: var(--r-block);
}

.page-products .pp-groups {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .pp-group {
  padding: 18px 16px;
  border: var(--pp-rule);
  border-radius: var(--r-card);
  background: var(--white);
}

.page-products .pp-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: var(--pp-rule);
}

.page-products .pp-group__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  margin: 0;
}

.page-products .pp-group__no {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--ghost);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-products .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pp-list li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 9px;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--read);
}

.page-products .pp-box {
  width: 15px;
  height: 15px;
  margin-top: 3px;
  border: 1.5px solid var(--mist);
  border-radius: 5px;
  display: inline-block;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-products .pp-list li:hover .pp-box {
  border-color: var(--aqua);
  background: rgba(15, 181, 166, 0.14);
}

/* ---------- 失败分支 ---------- */
.page-products .pp-branches {
  padding: 32px 0 36px;
}

.page-products .pp-branch-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .pp-branch {
  padding: 18px 16px 20px;
  border: var(--pp-rule);
  border-radius: var(--r-card);
  background: var(--white);
}

.page-products .pp-branch__line {
  display: block;
  width: 100%;
  max-width: 200px;
  height: 40px;
  color: var(--aqua);
  margin-bottom: 12px;
}

.page-products .pp-branch__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 6px;
}

.page-products .pp-branch__sym {
  margin: 0 0 14px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ghost);
}

.page-products .pp-branch__steps {
  margin: 0;
  padding-left: 0;
  list-style: none;
  counter-reset: ppb;
  display: grid;
  gap: 9px;
}

.page-products .pp-branch__steps li {
  counter-increment: ppb;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 8px;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--read);
}

.page-products .pp-branch__steps li::before {
  content: counter(ppb, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--aqua-deep);
  font-variant-numeric: tabular-nums;
  padding-top: 3px;
}

.page-products .pp-branches__media {
  margin: 26px 0 0;
}

/* ---------- 版本记录（深绿墨） ---------- */
.page-products .pp-versions {
  background: var(--ink-deep);
  border-radius: var(--r-block);
  padding: 30px 0 34px;
  margin-bottom: 34px;
}

.page-products .pp-versions .wrap {
  padding-left: 20px;
  padding-right: 20px;
}

.page-products .pp-versions .section-head__title {
  color: var(--white);
}

.page-products .pp-versions .section-head__meta {
  color: var(--rail-text);
}

.page-products .pp-vers {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid rgba(201, 211, 216, 0.2);
}

.page-products .pp-ver {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px 0 16px;
  border-bottom: 1px solid rgba(201, 211, 216, 0.2);
}

.page-products .pp-ver__no {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .pp-ver--current .pp-ver__no {
  color: var(--amber);
}

.page-products .pp-ver__flag {
  justify-self: start;
  display: inline-block;
  padding: 2px 9px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(201, 211, 216, 0.32);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--rail-dim);
}

.page-products .pp-ver--current .pp-ver__flag {
  border-color: rgba(255, 162, 58, 0.6);
  color: var(--amber);
}

.page-products .pp-ver__desc {
  margin: 6px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--rail-text);
}

/* ---------- 下一步去向 ---------- */
.page-products .pp-next {
  padding: 0 0 40px;
}

.page-products .pp-next__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  margin: 0 0 16px;
}

.page-products .pp-next__links {
  display: grid;
  gap: 10px;
}

.page-products .pp-next__link {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: var(--pp-rule);
  border-radius: 16px;
  background: var(--white);
  text-decoration: none;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-products .pp-next__link:hover,
.page-products .pp-next__link:focus-visible {
  border-color: var(--aqua);
  background: rgba(15, 181, 166, 0.06);
}

.page-products .pp-next__link-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.page-products .pp-next__link-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ghost);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .wrap {
    padding-left: 26px;
    padding-right: 26px;
  }

  .page-products .pp-changes .wrap,
  .page-products .pp-versions .wrap {
    padding-left: 28px;
    padding-right: 28px;
  }

  .page-products .pp-step__head {
    padding: 18px 20px;
    column-gap: 16px;
  }

  .page-products .pp-step__body {
    margin: 0 20px;
    padding: 18px 0 22px;
  }

  .page-products .pp-next__links {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pp-group__name {
    font-size: 1.0625rem;
  }
}

@media (min-width: 700px) {
  .page-products .pp-groups {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pp-branch-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero {
    padding: 24px 0 38px;
  }

  .page-products .pp-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 42px;
    margin-top: 22px;
  }

  .page-products .pp-hero__media img {
    border-radius: 30px;
  }

  .page-products .pp-changes {
    padding: 44px 0 50px;
  }

  .page-products .pp-changes__grid {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
    gap: 34px;
  }

  .page-products .pp-ios__grid {
    grid-template-columns: 1.55fr 1fr;
    align-items: start;
    gap: 32px;
  }

  .page-products .pp-step__cols {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
    gap: 26px;
  }

  .page-products .pp-step__media {
    max-width: none;
    justify-self: end;
  }

  .page-products .pp-versions {
    padding: 40px 0 44px;
  }

  .page-products .pp-ver {
    grid-template-columns: 96px 84px 1fr;
    align-items: baseline;
    gap: 18px;
  }

  .page-products .pp-ver__desc {
    margin: 0;
  }
}

@media (min-width: 1100px) {
  .page-products .pp-groups {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .pp-branch-grid {
    gap: 18px;
  }

  .page-products .pp-rail {
    overflow-x: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-index__list a,
  .page-products .pp-step,
  .page-products .pp-step__num,
  .page-products .pp-step__more::after,
  .page-products .pp-box,
  .page-products .pp-next__link {
    transition: none;
  }
}

.page-products {
  --dash: currentColor;
}