.page-products {
  background: var(--c-ink);
  color: var(--c-pale);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
  padding: 0 0 96px;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--f-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0;
}

.page-products p {
  margin: 0;
}

.page-products a {
  color: var(--c-volt-soft);
  text-underline-offset: 3px;
}

.page-products .gi-mono,
.page-products .pr-hero__coord,
.page-products .pr-band__num,
.page-products .pr-step__idx,
.page-products .pr-roles__idx,
.page-products .pr-update__cap {
  font-family: var(--f-mono);
}

/* ---------- 面包屑 ---------- */
.page-products .pr-crumbs {
  padding: 18px 0 12px;
  border-bottom: 1px solid var(--c-line);
  background: var(--c-ink);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  padding: 44px 0 40px;
  background:
    radial-gradient(120% 92% at 88% 0%, rgba(30, 91, 255, 0.28) 0%, rgba(10, 26, 47, 0) 58%),
    linear-gradient(180deg, var(--c-ink-2) 0%, var(--c-ink) 82%);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(127, 168, 255, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(127, 168, 255, 0.1) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
}

.page-products .pr-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-products .pr-hero__coord {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-gold);
  text-transform: uppercase;
  margin: 0 0 16px;
}

.page-products .pr-hero__lead h1 {
  font-size: clamp(28px, 4.6vw, 46px);
  color: var(--c-bone);
}

.page-products .pr-hero__lede {
  margin-top: 18px;
  max-width: 56ch;
  color: var(--c-pale);
}

.page-products .pr-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-products .pr-hero__chips li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--c-volt);
}

.page-products .pr-hero__chips .gi-mono {
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--c-gold);
}

.page-products .pr-hero__chips em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-volt-soft);
}

.page-products .pr-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .pr-hero__media {
  margin: 0;
  align-self: start;
}

/* ---------- 横向资源分区 ---------- */
.page-products .pr-band {
  padding: 34px 0 0;
}

.page-products .pr-band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-products .pr-band__item {
  position: relative;
  background: var(--c-ink-2);
  padding: 28px 22px 24px;
}

.page-products .pr-band__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--c-volt);
}

.page-products .pr-band__item--b::before {
  background: var(--c-gold);
}

.page-products .pr-band__item--c::before {
  background: var(--c-volt-soft);
}

.page-products .pr-band__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-volt-soft);
  margin: 0 0 12px;
}

.page-products .pr-band__title {
  font-size: 19px;
  color: var(--c-bone);
  margin: 0 0 8px;
}

.page-products .pr-band__text {
  font-size: 14.5px;
  color: var(--c-pale);
  margin: 0;
}

/* ---------- 通用区块 ---------- */
.page-products .pr-sec {
  padding: 76px 0 0;
}

.page-products .pr-sec .gi-head {
  margin-bottom: 32px;
}

/* ---------- 设备兼容 ---------- */
.page-products .pr-compat__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-products .pr-compat__media {
  margin: 0;
}

.page-products .pr-compat__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  background: var(--c-ink-2);
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pr-table th,
.page-products .pr-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
}

.page-products .pr-table thead th {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-gold);
  background: var(--c-ink);
  white-space: nowrap;
}

.page-products .pr-table tbody th {
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-bone);
}

.page-products .pr-table td {
  color: var(--c-pale);
}

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

.page-products .pr-table tbody tr:hover {
  background: rgba(30, 91, 255, 0.08);
}

/* ---------- iOS 版本分段 ---------- */
.page-products .pr-ios {
  margin-top: 44px;
}

.page-products .pr-ios__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-volt-soft);
  margin: 0 0 14px;
}

.page-products .pr-ios__panel p {
  font-size: 15px;
  color: var(--c-pale);
  max-width: 68ch;
}

/* ---------- 三类资源职责 ---------- */
.page-products .pr-roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-products .pr-roles__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  background: var(--c-ink-2);
  padding: 24px 22px;
}

.page-products .pr-roles__idx {
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--c-gold);
  line-height: 1.5;
}

.page-products .pr-roles__title {
  font-size: 17px;
  color: var(--c-bone);
  margin: 0 0 10px;
}

.page-products .pr-roles__body p {
  font-size: 14.5px;
  color: var(--c-pale);
  max-width: 64ch;
}

/* ---------- 步骤 ---------- */
.page-products .pr-steps__media {
  margin: 0 0 26px;
}

.page-products .pr-steps {
  border-top: 1px solid var(--c-line);
  padding-top: 22px;
}

.page-products .pr-step {
  border: 1px solid var(--c-line);
  background: var(--c-ink-2);
}

.page-products .pr-step + .pr-step {
  margin-top: 10px;
}

.page-products .pr-step[open] {
  box-shadow: inset 3px 0 0 0 var(--c-volt);
}

.page-products .pr-step__head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-products .pr-step__idx {
  flex: none;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--c-gold);
}

.page-products .pr-step__title {
  flex: 1 1 auto;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 16.5px;
  letter-spacing: -0.01em;
  color: var(--c-bone);
}

.page-products .pr-step__mark {
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-volt-soft);
  border-bottom: 2px solid var(--c-volt-soft);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.18s ease-out;
}

.page-products .pr-step[open] .pr-step__mark {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-products .pr-step__head:focus-visible {
  outline: 2px solid var(--c-volt-soft);
  outline-offset: 2px;
}

.page-products .pr-step__body {
  padding: 0 20px 22px 52px;
  border-top: 1px solid var(--c-line);
}

.page-products .pr-step__body p {
  font-size: 14.5px;
  color: var(--c-pale);
  margin-top: 16px;
  max-width: 70ch;
}

.page-products .pr-step__check {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

/* ---------- 准备清单 ---------- */
.page-products .pr-prep__media {
  margin: 0 0 26px;
}

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

.page-products .pr-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--c-ink-2);
  padding: 17px 18px;
  cursor: pointer;
}

.page-products .pr-checklist__item input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pr-checklist__box {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--c-volt-soft);
  background: transparent;
  transition: background 0.16s ease-out, border-color 0.16s ease-out;
}

.page-products .pr-checklist__item input:checked + .pr-checklist__box {
  background: var(--c-moss);
  border-color: var(--c-moss);
}

.page-products .pr-checklist__item input:checked + .pr-checklist__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--c-bone);
  border-bottom: 2px solid var(--c-bone);
  transform: rotate(40deg);
}

.page-products .pr-checklist__item input:focus-visible + .pr-checklist__box {
  outline: 2px solid var(--c-volt-soft);
  outline-offset: 2px;
}

.page-products .pr-checklist__text {
  font-size: 14.5px;
  color: var(--c-pale);
}

.page-products .pr-checklist__text strong {
  display: block;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 14.5px;
  letter-spacing: -0.01em;
  color: var(--c-bone);
  margin-bottom: 3px;
}

/* ---------- 排查 ---------- */
.page-products .pr-trouble__media {
  margin: 0 0 26px;
}

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

.page-products .pr-trouble__item {
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-volt);
  background: var(--c-ink-2);
  padding: 20px 22px;
}

.page-products .pr-trouble__q {
  font-size: 16px;
  color: var(--c-bone);
  margin: 0 0 10px;
}

.page-products .pr-trouble__a {
  font-size: 14.5px;
  color: var(--c-pale);
  margin: 0;
}

.page-products .pr-trouble__note {
  margin-top: 26px;
}

/* ---------- 更新与支持 ---------- */
.page-products .pr-update {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-products .pr-update__p {
  font-size: 15px;
  color: var(--c-pale);
  max-width: 68ch;
}

.page-products .pr-update__p + .pr-update__p {
  margin-top: 18px;
}

.page-products .pr-update__aside {
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-gold);
  background: var(--c-ink-2);
  padding: 24px 22px;
}

.page-products .pr-update__cap {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-gold);
  margin: 0 0 18px;
}

.page-products .pr-update__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-products .pr-update__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  color: var(--c-pale);
  padding: 11px 0;
  border-top: 1px solid var(--c-line);
}

.page-products .pr-update__list li .gi-mono {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-volt-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pr-band__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pr-trouble__item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-products .pr-hero {
    padding: 56px 0 46px;
  }

  .page-products .pr-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-products .pr-compat__grid {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
    align-items: start;
  }

  .page-products .pr-compat__media {
    margin-top: 34px;
  }

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

  .page-products .pr-roles__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 28px 24px;
  }

  .page-products .pr-update {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: start;
  }

  .page-products .pr-steps {
    padding-top: 26px;
  }
}

@media (min-width: 1200px) {
  .page-products .pr-sec {
    padding-top: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-step__mark,
  .page-products .pr-checklist__box {
    transition: none;
  }
}